diff --git a/.gitignore b/.gitignore
index 85f1b14..ddb381c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -10,3 +10,5 @@ Cargo.lock.bak
.vscode/
*.swp
gotenberg-8.29-test-example/
+.worktrees/
+tmp/
diff --git a/Cargo.lock b/Cargo.lock
index b2f942f..111aed9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -747,6 +747,15 @@ version = "0.3.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7c74b8349d32d297c9134b8c88677813a227df8f779daa29bfc29c183fe3dca6"
+[[package]]
+name = "convert_case"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ec182b0ca2f35d8fc196cf3404988fd8b8c739a4d270ff118a398feb0cbec1ca"
+dependencies = [
+ "unicode-segmentation",
+]
+
[[package]]
name = "core-foundation"
version = "0.9.4"
@@ -840,6 +849,16 @@ dependencies = [
"typenum",
]
+[[package]]
+name = "ctor"
+version = "0.2.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "32a2785755761f3ddc1492979ce1e48d2c00d09311c39e4466429188f3dd6501"
+dependencies = [
+ "quote",
+ "syn",
+]
+
[[package]]
name = "cucumber"
version = "0.21.1"
@@ -1081,16 +1100,22 @@ name = "engine"
version = "0.1.0"
dependencies = [
"axum 0.8.9",
+ "base64 0.22.1",
"chromiumoxide",
+ "dirs",
+ "flate2",
"futures-util",
"humantime-serde",
"image",
"lopdf",
"proptest",
"pulldown-cmark",
+ "reqwest 0.12.28",
"serde",
"serde_json",
+ "sha2",
"static_assertions",
+ "tar",
"tempfile",
"thiserror 2.0.18",
"tokio",
@@ -1098,7 +1123,9 @@ dependencies = [
"tracing",
"tracing-subscriber",
"urlencoding",
+ "walkdir",
"which 7.0.3",
+ "zip",
]
[[package]]
@@ -1138,6 +1165,17 @@ dependencies = [
"simd-adler32",
]
+[[package]]
+name = "filetime"
+version = "0.2.27"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f98844151eee8917efc50bd9e8318cb963ae8b297431495d3f758616ea5c57db"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "libredox",
+]
+
[[package]]
name = "find-msvc-tools"
version = "0.1.9"
@@ -1904,6 +1942,15 @@ dependencies = [
"serde_core",
]
+[[package]]
+name = "indoc"
+version = "2.0.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "79cf5c93f93228cf8efb3ba362535fb11199ac548a09ce117c9b1adc3030d706"
+dependencies = [
+ "rustversion",
+]
+
[[package]]
name = "inflections"
version = "1.1.1"
@@ -1978,6 +2025,15 @@ dependencies = [
[[package]]
name = "js"
version = "0.1.0"
+dependencies = [
+ "engine",
+ "napi",
+ "napi-build",
+ "napi-derive",
+ "serde",
+ "serde_json",
+ "tokio",
+]
[[package]]
name = "js-sys"
@@ -2032,13 +2088,26 @@ version = "0.2.186"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "68ab91017fe16c622486840e4c83c9a37afeff978bd239b5293d61ece587de66"
+[[package]]
+name = "libloading"
+version = "0.8.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d7c4b02199fee7c5d21a5ae7d8cfa79a6ef5bb2fc834d6e9058e89c825efdc55"
+dependencies = [
+ "cfg-if",
+ "windows-link",
+]
+
[[package]]
name = "libredox"
version = "0.1.16"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e02f3bb43d335493c96bf3fd3a321600bf6bd07ed34bc64118e9293bdffea46c"
dependencies = [
+ "bitflags",
"libc",
+ "plain",
+ "redox_syscall 0.7.4",
]
[[package]]
@@ -2158,6 +2227,15 @@ version = "2.8.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f8ca58f447f06ed17d5fc4043ce1b10dd205e060fb3ce5b979b8ed8e59ff3f79"
+[[package]]
+name = "memoffset"
+version = "0.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "488016bfae457b036d996092f6cb448677611ce4449e970ceaf42695203f218a"
+dependencies = [
+ "autocfg",
+]
+
[[package]]
name = "mime"
version = "0.3.17"
@@ -2228,6 +2306,66 @@ dependencies = [
"version_check",
]
+[[package]]
+name = "napi"
+version = "2.16.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "55740c4ae1d8696773c78fdafd5d0e5fe9bc9f1b071c7ba493ba5c413a9184f3"
+dependencies = [
+ "bitflags",
+ "ctor",
+ "napi-derive",
+ "napi-sys",
+ "once_cell",
+ "serde",
+ "serde_json",
+ "tokio",
+]
+
+[[package]]
+name = "napi-build"
+version = "2.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d376940fd5b723c6893cd1ee3f33abbfd86acb1cd1ec079f3ab04a2a3bc4d3b1"
+
+[[package]]
+name = "napi-derive"
+version = "2.16.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7cbe2585d8ac223f7d34f13701434b9d5f4eb9c332cccce8dee57ea18ab8ab0c"
+dependencies = [
+ "cfg-if",
+ "convert_case",
+ "napi-derive-backend",
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "napi-derive-backend"
+version = "1.0.75"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1639aaa9eeb76e91c6ae66da8ce3e89e921cd3885e99ec85f4abacae72fc91bf"
+dependencies = [
+ "convert_case",
+ "once_cell",
+ "proc-macro2",
+ "quote",
+ "regex",
+ "semver",
+ "syn",
+]
+
+[[package]]
+name = "napi-sys"
+version = "2.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "427802e8ec3a734331fec1035594a210ce1ff4dc5bc1950530920ab717964ea3"
+dependencies = [
+ "libloading",
+]
+
[[package]]
name = "nom"
version = "7.1.3"
@@ -2411,7 +2549,7 @@ checksum = "2621685985a2ebf1c516881c026032ac7deafcda1a2c9b7850dc81e3dfcb64c1"
dependencies = [
"cfg-if",
"libc",
- "redox_syscall",
+ "redox_syscall 0.5.18",
"smallvec",
"windows-link",
]
@@ -2516,6 +2654,12 @@ version = "0.3.33"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "19f132c84eca552bf34cab8ec81f1c1dcc229b811638f9d283dceabe58c5569e"
+[[package]]
+name = "plain"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b4596b6d070b27117e987119b4dac604f3c58cfb0b191112e24771b2faeac1a6"
+
[[package]]
name = "png"
version = "0.18.1"
@@ -2529,6 +2673,12 @@ dependencies = [
"miniz_oxide",
]
+[[package]]
+name = "portable-atomic"
+version = "1.13.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c33a9471896f1c69cecef8d20cbe2f7accd12527ce60845ff44c153bb2a21b49"
+
[[package]]
name = "potential_utf"
version = "0.1.5"
@@ -2692,6 +2842,92 @@ checksum = "e0c5ccf5294c6ccd63a74f1565028353830a9c2f5eb0c682c355c471726a6e3f"
[[package]]
name = "py"
version = "0.1.0"
+dependencies = [
+ "engine",
+ "parking_lot",
+ "pyo3",
+ "pyo3-async-runtimes",
+ "serde",
+ "serde_json",
+ "thiserror 2.0.18",
+ "tokio",
+]
+
+[[package]]
+name = "pyo3"
+version = "0.22.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f402062616ab18202ae8319da13fa4279883a2b8a9d9f83f20dbade813ce1884"
+dependencies = [
+ "cfg-if",
+ "indoc",
+ "libc",
+ "memoffset",
+ "once_cell",
+ "portable-atomic",
+ "pyo3-build-config",
+ "pyo3-ffi",
+ "pyo3-macros",
+ "unindent",
+]
+
+[[package]]
+name = "pyo3-async-runtimes"
+version = "0.22.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2529f0be73ffd2be0cc43c013a640796558aa12d7ca0aab5cc14f375b4733031"
+dependencies = [
+ "futures",
+ "once_cell",
+ "pin-project-lite",
+ "pyo3",
+ "tokio",
+]
+
+[[package]]
+name = "pyo3-build-config"
+version = "0.22.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b14b5775b5ff446dd1056212d778012cbe8a0fbffd368029fd9e25b514479c38"
+dependencies = [
+ "once_cell",
+ "target-lexicon",
+]
+
+[[package]]
+name = "pyo3-ffi"
+version = "0.22.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9ab5bcf04a2cdcbb50c7d6105de943f543f9ed92af55818fd17b660390fc8636"
+dependencies = [
+ "libc",
+ "pyo3-build-config",
+]
+
+[[package]]
+name = "pyo3-macros"
+version = "0.22.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0fd24d897903a9e6d80b968368a34e1525aeb719d568dba8b3d4bfa5dc67d453"
+dependencies = [
+ "proc-macro2",
+ "pyo3-macros-backend",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "pyo3-macros-backend"
+version = "0.22.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "36c011a03ba1e50152b4b394b479826cad97e7a21eb52df179cd91ac411cbfbe"
+dependencies = [
+ "heck 0.5.0",
+ "proc-macro2",
+ "pyo3-build-config",
+ "quote",
+ "syn",
+]
[[package]]
name = "quick-error"
@@ -2878,6 +3114,15 @@ dependencies = [
"bitflags",
]
+[[package]]
+name = "redox_syscall"
+version = "0.7.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f450ad9c3b1da563fb6948a8e0fb0fb9269711c9c73d9ea1de5058c79c8d643a"
+dependencies = [
+ "bitflags",
+]
+
[[package]]
name = "redox_users"
version = "0.4.6"
@@ -3418,8 +3663,8 @@ dependencies = [
"tracing",
"tracing-opentelemetry",
"tracing-subscriber",
+ "ulid",
"url",
- "uuid",
"zip",
]
@@ -3655,6 +3900,23 @@ dependencies = [
"windows",
]
+[[package]]
+name = "tar"
+version = "0.4.45"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "22692a6476a21fa75fdfc11d452fda482af402c008cdbaf3476414e122040973"
+dependencies = [
+ "filetime",
+ "libc",
+ "xattr",
+]
+
+[[package]]
+name = "target-lexicon"
+version = "0.12.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "61c41af27dd6d1e27b1b16b489db798443478cef1f06a660c96db617ba5de3b1"
+
[[package]]
name = "tempfile"
version = "3.27.0"
@@ -4132,6 +4394,16 @@ version = "1.20.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "40ce102ab67701b8526c123c1bab5cbe42d7040ccfd0f64af1a385808d2f43de"
+[[package]]
+name = "ulid"
+version = "1.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "470dbf6591da1b39d43c14523b2b469c86879a53e8b758c8e090a470fe7b1fbe"
+dependencies = [
+ "rand 0.9.4",
+ "web-time",
+]
+
[[package]]
name = "unarray"
version = "0.1.4"
@@ -4156,6 +4428,12 @@ version = "0.1.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "3b09c83c3c29d37506a3e260c08c03743a6bb66a9cd432c6934ab501a190571f"
+[[package]]
+name = "unicode-segmentation"
+version = "1.13.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9629274872b2bfaf8d66f5f15725007f635594914870f65218920345aa11aa8c"
+
[[package]]
name = "unicode-width"
version = "0.2.2"
@@ -4168,6 +4446,12 @@ version = "0.2.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ebc1c04c71510c7f702b52b7c350734c9ff1295c464a03335b00bb84fc54f853"
+[[package]]
+name = "unindent"
+version = "0.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7264e107f553ccae879d21fbea1d6724ac785e8c3bfc762137959b5802826ef3"
+
[[package]]
name = "untrusted"
version = "0.9.0"
@@ -4922,6 +5206,16 @@ version = "0.6.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1ffae5123b2d3fc086436f8834ae3ab053a283cfac8fe0a0b8eaae044768a4c4"
+[[package]]
+name = "xattr"
+version = "1.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "32e45ad4206f6d2479085147f02bc2ef834ac85886624a23575ae137c8aa8156"
+dependencies = [
+ "libc",
+ "rustix",
+]
+
[[package]]
name = "xz2"
version = "0.1.7"
diff --git a/Cargo.toml b/Cargo.toml
index dae59e0..efc55db 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -14,6 +14,9 @@ authors = []
# Internal
engine = { path = "crates/engine" }
+# Encoding
+base64 = "0.22"
+
# Async / runtime
tokio = { version = "1", features = ["full"] }
async-trait = "0.1"
@@ -69,7 +72,7 @@ url = "2"
image = { version = "0.25", default-features = false, features = ["png", "jpeg"] }
# Identifiers
-uuid = { version = "1", features = ["v4"] }
+ulid = "1"
# CLI
assert_cmd = "2"
@@ -83,10 +86,17 @@ walkdir = "2"
lopdf = "0.34"
zip = "2"
+# Chrome auto-download
+sha2 = "0.10"
+flate2 = "1"
+tar = "0.4"
+dirs = "5"
+
# Bindings
pyo3 = { version = "0.22", features = ["extension-module"] }
-napi = { version = "2", features = ["napi8"] }
+napi = { version = "2", features = ["napi8", "tokio_rt", "serde-json"] }
napi-derive = "2"
+napi-build = "2"
[profile.release]
opt-level = 3
diff --git a/Dockerfile b/Dockerfile
index e5d40bf..35fd7e4 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -178,13 +178,25 @@ LABEL org.opencontainers.image.title="Folio" \
org.opencontainers.image.authors="Folio Team" \
org.opencontainers.image.source="https://github.com/been-there-done-that/folio"
-RUN apt-get update -qq && apt-get upgrade -yqq && \
- DEBIAN_FRONTEND=noninteractive apt-get install -y -qq --no-install-recommends \
+# Install LibreOffice from Debian bookworm-backports (newer than bookworm's 7.4).
+# python3-uno must match the LO version so it is also pulled from backports.
+RUN echo "deb http://deb.debian.org/debian bookworm-backports main" \
+ > /etc/apt/sources.list.d/backports.list && \
+ apt-get update -qq && \
+ DEBIAN_FRONTEND=noninteractive apt-get install -y -t bookworm-backports --no-install-recommends \
libreoffice-writer \
libreoffice-calc \
libreoffice-impress \
libreoffice-draw \
- && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
+ python3-uno && \
+ DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
+ python3-minimal \
+ python3-pip && \
+ pip3 install --no-cache-dir --break-system-packages unoserver==2.2.1 && \
+ rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
+
+# Force headless SVP rendering backend — skips virtual display probe (~50–100ms).
+ENV SAL_USE_VCLPLUGIN=svp
COPY --link --chown="${FOLIO_USER_UID}:${FOLIO_USER_GID}" \
--from=builder-full /app/target/release/folio-server /usr/bin/
@@ -195,7 +207,7 @@ USER folio
WORKDIR /home/folio
EXPOSE 3000
-HEALTHCHECK --interval=30s --timeout=10s --start-period=15s --retries=3 \
+HEALTHCHECK --interval=30s --timeout=10s --start-period=30s --retries=3 \
CMD curl -f http://localhost:3000/health || exit 1
ENTRYPOINT ["/usr/bin/tini", "--"]
@@ -248,13 +260,25 @@ LABEL org.opencontainers.image.title="Folio (LibreOffice)" \
org.opencontainers.image.authors="Folio Team" \
org.opencontainers.image.source="https://github.com/been-there-done-that/folio"
-RUN apt-get update -qq && apt-get upgrade -yqq && \
- DEBIAN_FRONTEND=noninteractive apt-get install -y -qq --no-install-recommends \
+# Install LibreOffice from Debian bookworm-backports (newer than bookworm's 7.4).
+# python3-uno must match the LO version so it is also pulled from backports.
+RUN echo "deb http://deb.debian.org/debian bookworm-backports main" \
+ > /etc/apt/sources.list.d/backports.list && \
+ apt-get update -qq && \
+ DEBIAN_FRONTEND=noninteractive apt-get install -y -t bookworm-backports --no-install-recommends \
libreoffice-writer \
libreoffice-calc \
libreoffice-impress \
libreoffice-draw \
- && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
+ python3-uno && \
+ DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
+ python3-minimal \
+ python3-pip && \
+ pip3 install --no-cache-dir --break-system-packages unoserver==2.2.1 && \
+ rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
+
+# Force headless SVP rendering backend — skips virtual display probe (~50–100ms).
+ENV SAL_USE_VCLPLUGIN=svp
COPY --link --chown="${FOLIO_USER_UID}:${FOLIO_USER_GID}" \
--from=builder-libreoffice /app/target/release/folio-server /usr/bin/
diff --git a/Dockerfile.test b/Dockerfile.test
index a84f1e1..cac399e 100644
--- a/Dockerfile.test
+++ b/Dockerfile.test
@@ -1,70 +1,74 @@
-# Dockerfile for running tests with all dependencies
-# Uses cargo-chef for efficient dependency caching
+# Dockerfile for running the full test suite (unit + BDD) with all dependencies.
+# Mirrors the folio production image: Chromium + LibreOffice + unoserver.
-FROM rust:1.88 AS chef
+ARG RUST_VERSION=1.88
+
+# =============================================================================
+# Stage: chef — cargo-chef for dependency caching
+# =============================================================================
+FROM rust:${RUST_VERSION} AS chef
WORKDIR /app
RUN cargo install cargo-chef --locked
+# =============================================================================
+# Stage: planner — produce recipe.json
+# =============================================================================
FROM chef AS planner
COPY . .
RUN cargo chef prepare --recipe-path recipe.json
+# =============================================================================
+# Stage: builder — compile everything including folio-server binary
+# =============================================================================
FROM chef AS builder
-# Install system dependencies including Chrome (Chromium) and LibreOffice
-RUN apt-get update && apt-get install -y \
- libgtk-3-0 \
- libx11-xcb1 \
- libxcomposite1 \
- libxcursor1 \
- libxdamage1 \
- libxi6 \
- libxtst6 \
- libnss3 \
- libcups2 \
- libxss1 \
- libxrandr2 \
- libasound2 \
- libatk1.0-0 \
- libatk-bridge2.0-0 \
- libpangocairo-1.0-0 \
- libpango-1.0-0 \
- libcairo2 \
- libgdk-pixbuf2.0-0 \
- libgconf-2-4 \
- libgdm1 \
- libglib2.0-0 \
- libgl1-mesa-glx \
- fonts-liberation \
- xdg-utils \
- wget \
- curl \
- unzip \
+# Runtime deps for Chromium and LibreOffice needed at test time
+RUN apt-get update -qq && apt-get install -y -qq --no-install-recommends \
+ # Chromium
chromium \
- libreoffice \
- jq \
- poppler-utils \
- default-jre-headless \
- && rm -rf /var/lib/apt/lists/*
-
-# Install verapdf (PDF/A validator)
-RUN VERAPDF_VERSION=1.26.2 && \
- curl -fsSL "https://software.verapdf.org/releases/${VERAPDF_VERSION}/verapdf-greenfield-${VERAPDF_VERSION}-CLI.zip" \
- -o /tmp/verapdf.zip && \
- unzip /tmp/verapdf.zip -d /opt && \
- mv "/opt/verapdf-greenfield-${VERAPDF_VERSION}" /opt/verapdf && \
- ln -s /opt/verapdf/verapdf /usr/local/bin/verapdf && \
- rm /tmp/verapdf.zip
+ libgtk-3-0 libx11-xcb1 libxcomposite1 libxcursor1 \
+ libxdamage1 libxi6 libxtst6 libnss3 libcups2 libxss1 \
+ libxrandr2 libasound2 libatk1.0-0 libatk-bridge2.0-0 \
+ libpangocairo-1.0-0 libpango-1.0-0 libcairo2 \
+ libgdk-pixbuf2.0-0 libglib2.0-0 libgl1-mesa-glx \
+ fonts-liberation \
+ # LibreOffice + python3-uno (same source as production image)
+ && echo "deb http://deb.debian.org/debian bookworm-backports main" \
+ > /etc/apt/sources.list.d/backports.list \
+ && apt-get update -qq \
+ && DEBIAN_FRONTEND=noninteractive apt-get install -y -t bookworm-backports \
+ -qq --no-install-recommends \
+ libreoffice-writer \
+ libreoffice-calc \
+ libreoffice-impress \
+ libreoffice-draw \
+ python3-uno \
+ && DEBIAN_FRONTEND=noninteractive apt-get install -y -qq --no-install-recommends \
+ python3-minimal python3-pip \
+ # PDF tools used by BDD assertion steps
+ poppler-utils \
+ qpdf \
+ ghostscript \
+ && pip3 install --no-cache-dir --break-system-packages unoserver==2.2.1 \
+ && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
ENV CHROME_PATH=/usr/bin/chromium
+ENV CHROME_BIN=/usr/bin/chromium
+# Required so Chromium can run as root inside the container
+ENV FOLIO_NO_SANDBOX=true
+ENV SAL_USE_VCLPLUGIN=svp
ENV RUST_LOG=info
-# Build dependencies (cached layer) - only re-runs if recipe.json changes
+# Cache dependencies
COPY --from=planner /app/recipe.json recipe.json
-RUN cargo chef cook --release --recipe-path recipe.json
+RUN cargo chef cook --recipe-path recipe.json
+RUN cargo chef cook --recipe-path recipe.json --tests
-# Copy source code (only invalidates cache if source changes)
+# Build everything: folio-server binary + all test binaries
COPY . .
+RUN cargo test --no-run
-# Run tests by default
-CMD ["cargo", "test", "--release", "--", "--ignored", "--test-threads=1"]
+# Run pre-compiled test binaries — no recompilation at container start.
+# --test-threads=1 because integration tests share a single unoserver
+# instance on port 2003; running them in parallel triggers contention.
+CMD ["cargo", "test", "--no-fail-fast", "--", "--test-threads=1"]
diff --git a/README.md b/README.md
index db61948..2d42938 100644
--- a/README.md
+++ b/README.md
@@ -1,154 +1,162 @@
-# Folio
-
- 
+
+Folio
+
-
- 
-
-
- 
-
- 
- 
-
- 
-
+ A Rust-native, Gotenberg-compatible PDF service — with a live operator console.
- A modern, Rust-native PDF generation engine
- True browser-grade fidelity • Gotenberg-compatible API • Memory safe
+
+ 
+
---
-## 📖 Table of Contents
-
-- [What is Folio?](#what-is-folio)
-- [Why Folio?](#why-folio)
-- [Quick Start](#quick-start)
-- [Usage Modes](#usage-modes)
-- [Features](#features)
-- [Documentation](#documentation)
-- [Project Structure](#project-structure)
-- [Development](#development)
-- [Testing](#testing)
-- [Roadmap](#roadmap)
-- [Contributing](#contributing)
-- [License](#license)
+Folio converts **HTML, URLs, Markdown, and Office documents** into PDFs using
+real Chrome under the hood. It speaks the same HTTP API as
+[Gotenberg](https://github.com/gotenberg/gotenberg), so most existing
+clients can point at Folio with only a base-URL change.
+
+Unlike Gotenberg, Folio also runs as a **Rust library, a CLI, and a single
+binary** — and ships with a live operator console at `/_/` so you can see
+what your PDF service is actually doing without wiring up Grafana first.
+
+> **Status:** active. Core conversions and PDF ops are production-ready.
+> Webhook callback delivery, batch ZIP output, and a few advanced Chromium
+> options are still in progress — see the [feature comparison](./comparison.md).
---
-## What is Folio?
+## Why Folio
+
+- **Gotenberg-compatible.** Same routes (`/forms/chromium/*`,
+ `/forms/libreoffice/convert`, `/forms/pdfengines/*`), same multipart
+ contract. Drop-in for ~85% of workloads.
+- **Memory-safe.** Rust core; no GC pauses, no parser-level CVEs from
+ malformed inputs.
+- **Four ways to run it.** HTTP server, CLI, Rust library, Docker — pick
+ whichever fits your shape. The library is the source of truth; the
+ server and CLI are thin wrappers.
+- **Observability-first.** Prometheus metrics, OpenTelemetry traces, and
+ a built-in Svelte SPA at `/_/` showing live RPS, p95 latency,
+ per-engine health, concurrency, and active batches over SSE.
+- **Slim deployment targets.** Multi-stage Dockerfile produces full,
+ Chromium-only, LibreOffice-only, Cloud Run, and Lambda images.
+
+For the honest comparison against Gotenberg (what's parity, what's behind,
+what's ahead) read [`comparison.md`](./comparison.md).
-**Folio** (from Latin *folium*, meaning "leaf" or "sheet of paper") is a high-performance PDF generation engine built in Rust. It converts HTML, URLs, Markdown, and Office documents to PDF with **true browser-grade fidelity** by leveraging Chrome's rendering engine via the Chrome DevTools Protocol (CDP).
+---
-> Like a printer's folio marks the beginning of a new page, Folio marks a new chapter in document conversion technology.
+## 60-second quickstart
-### Key Highlights
+```bash
+# Run the server (Docker, full image)
+docker run --rm -p 3000:3000 ghcr.io/__deesh_reddy__/folio:latest
-- **True Browser Fidelity**: Renders using real Chrome/Chromium — full CSS3, JavaScript, Web Fonts support
-- **Gotenberg-Compatible**: Drop-in replacement for existing Gotenberg deployments
-- **Memory Safe**: Rust's compile-time guarantees prevent entire classes of bugs
-- **Multiple Interfaces**: HTTP API, CLI, Rust library, and language bindings (Python/Node.js)
-- **Self-Contained**: Library mode requires no external HTTP services
+# Convert a URL to PDF
+curl -X POST http://localhost:3000/forms/chromium/convert/url \
+ -F "url=https://example.com" \
+ -F "landscape=true" \
+ -o out.pdf
----
+# Open the operator console
+open http://localhost:3000/_/
+```
-## Why Folio?
+That's it. Same multipart contract for HTML, Markdown, Office, merge,
+split, watermark, etc.
-### Comparison Table
+---
-| Feature | **Folio** | Gotenberg | WeasyPrint | wkhtmltopdf |
-|---------|------------|-----------|-------------|-------------|
-| **Language** | Rust 🦀 | Go | Python | C++ |
-| **Rendering** | Chrome (CDP) | Chrome | Custom engine | QtWebKit (2012) |
-| **Modern CSS** | ✅ Full | ✅ Full | ⚠️ Limited | ❌ Legacy |
-| **JavaScript** | ✅ Full V8 | ✅ Full | ❌ None | ⚠️ ES3 |
-| **Usage Modes** | 4 (Server/CLI/Lib/Bindings) | Server only | Library only | CLI only |
-| **Memory Safety** | ✅ Compile-time | GC | Runtime | Manual |
-| **Gotenberg API** | ✅ Compatible | ✅ Native | ❌ | ❌ |
-| **Screenshots** | ✅ Done | ✅ | ❌ | ❌ |
-| **Structured Logging** | ✅ Full (tracing) | ✅ (slog) | ❌ | ❌ |
-| **Prometheus Metrics** | ✅ `/prometheus/metrics` | ✅ | ❌ | ❌ |
-| **OpenTelemetry** | ✅ OTLP HTTP | ✅ | ❌ | ❌ |
-| **Process Supervision** | 🚧 In Progress | ✅ | ❌ | ❌ |
+## Install
-### Architecture Pattern
+| Surface | Command |
+|------------------|---------------------------------------------------------------|
+| Docker (full) | `docker pull ghcr.io/__deesh_reddy__/folio:latest` |
+| Docker (slim) | `docker pull ghcr.io/__deesh_reddy__/folio:latest-chromium` |
+| CLI (cargo) | `cargo install --path crates/cli` → `folio --help` |
+| Server (cargo) | `cargo run -p server -- serve --port 3000` |
+| Library | `folio-engine = { path = "crates/engine" }` in `Cargo.toml` |
-```
-┌─────────────────────────────────────────────────────────────┐
-│ USAGE MODES │
-│ Server CLI Rust Lib Python Node.js │
-│ │ │ │ │ │ │
-│ └────────┴─────────┴──────────┴─────────┘ │
-│ │ │
-│ ┌──────────┴──────────┐ │
-│ │ engine │ ← Single source │
-│ │ • ChromiumEngine │ of truth │
-│ │ • LibreOfficeEngine │ │
-│ │ • PdfOperations │ │
-│ └──────────┬────────────┘ │
-│ │ │
-│ ┌──────────┴──────────┐ │
-│ │ Chrome (CDP) │ │
-│ └──────────────────────┘ │
-└─────────────────────────────────────────────────────────────┘
-```
+**Prerequisites for non-Docker installs:** Rust 1.75+, Chrome/Chromium
+(auto-detected, or set `CHROME_PATH`), and optionally LibreOffice for
+Office conversion.
----
+### Embeddable bindings (v1: conversion)
-## Quick Start
+| Surface | Install |
+|---|---|
+| Python | `pip install folio` — see `bindings/python/README.md` |
+| Node.js | `npm install @folio/folio` — see `bindings/node/README.md` |
-### Prerequisites
+Both bindings auto-download a pinned Chrome on first use if no system
+Chrome is found. v1 supports HTML / URL / Markdown / Office → PDF;
+PDF ops and screenshots ship in v2 (spec:
+`docs/superpowers/specs/2026-05-01-bindings-design.md`).
-- **Rust** 1.75+ ([install](https://rustup.rs/))
-- **Chrome/Chromium** (auto-detected) or set `CHROME_PATH`
-- **LibreOffice** (optional, for Office document conversion)
+---
-### Option 1: HTTP Server (Gotenberg-Compatible)
+## HTTP API at a glance
-```bash
-# Build and run
-cargo run -p server -- serve --port 3000
+All routes are `POST` and accept multipart/form-data unless noted.
-# Or with Docker (full image — Chromium + LibreOffice)
-docker build --target folio -t folio:latest .
-docker run -p 3000:3000 folio:latest
+### Chromium (HTML / URL / Markdown → PDF or screenshot)
+```
+/forms/chromium/convert/{html,url,markdown}
+/forms/chromium/screenshot/{html,url,markdown}
+```
-# Convert URL to PDF
-curl -X POST http://localhost:3000/forms/chromium/convert/url \
- -F "url=https://example.com" \
- -F "landscape=true" \
- -o output.pdf
+### LibreOffice (100+ Office formats → PDF)
+```
+/forms/libreoffice/convert
```
-### Option 2: CLI
+### PDF operations
+```
+/forms/pdfengines/{merge,split,flatten,rotate,watermark,convert,encrypt}
+/forms/pdfengines/metadata/{read,write}
+/forms/pdfengines/bookmarks/{read,write}
+```
-```bash
-# Install
-cargo install --path crates/cli
+### Operational
+```
+GET /health → JSON health + per-engine status
+GET /version → plain text
+GET /prometheus/metrics → Prometheus text format
+GET /_/ → operator console (SPA)
+GET /_/sse → Server-Sent Events stream
+```
+
+For the gap analysis vs Gotenberg, see [`comparison.md`](./comparison.md).
-# Convert HTML to PDF
-folio convert --html index.html --output out.pdf
+---
-# Convert URL to PDF
-folio convert --url https://example.com --output out.pdf
+## CLI
-# Batch conversion
-folio batch --input-dir ./docs/ --output-dir ./pdfs/
+```bash
+folio convert --html index.html --output out.pdf
+folio convert --url https://example.com --output out.pdf
+folio convert --markdown README.md --output out.pdf
+folio convert --office report.docx --output out.pdf
+
+folio merge a.pdf b.pdf c.pdf --output combined.pdf
+folio split input.pdf --mode uniform --span 1 --output-dir ./pages/
+folio flatten input.pdf --output flat.pdf
+folio rotate input.pdf --angle 90 --output rotated.pdf
+folio metadata read input.pdf
+folio metadata write input.pdf '{"Title":"Q2 Review"}'
```
-### Option 3: Rust Library
+Shell completions: `folio completion zsh > ~/.zfunc/_folio`.
-```toml
-# Cargo.toml
-[dependencies]
-folio-engine = { path = "crates/engine" }
-```
+---
+
+## Library
```rust
use engine::ChromiumEngine;
@@ -156,459 +164,167 @@ use engine::ChromiumEngine;
#[tokio::main]
async fn main() -> anyhow::Result<()> {
let engine = ChromiumEngine::launch().await?;
- let pdf = engine.html_to_pdf("Hello World
", None, &Default::default(), &Default::default()).await?;
- std::fs::write("output.pdf", pdf)?;
+ let pdf = engine
+ .html_to_pdf("Hello
", None, &Default::default(), &Default::default())
+ .await?;
+ std::fs::write("out.pdf", pdf)?;
Ok(())
}
```
-### Option 4: Docker Compose (Development)
-
-```bash
-# Copy example environment file
-cp .env.example .env
-
-# Start Folio with all dependencies
-make run
-
-# Run tests
-make test-integration
-
-# Stop
-make stop
-```
+The engine crate has zero dependency on `axum` or `tower` — it's the same
+code path the server uses, just without an HTTP layer in front.
---
-## Usage Modes
+## Operator console
-### 1. Server Mode (HTTP API)
+`GET /_/` serves a Svelte SPA driven by Server-Sent Events. In one screen:
-Gotenberg-compatible REST API for document conversion:
+- **Ticker:** RPS, p95 latency, error %, in-flight count
+- **Routes table:** per-endpoint p50 / p95 / p99, error %, load %
+- **Engines:** Chromium / LibreOffice up-down + restart count
+- **Concurrency grid:** active vs cap, with warn/crit thresholds
+- **Throughput strip:** 30-min RPS + p95 trend with SLA overlay
+- **Resources:** CPU % and memory MB
+- **Batches:** progress + per-item state for active batches
+- **Logs:** last 20 requests, last 10 errors
-| Endpoint | Method | Input | Output |
-|----------|--------|-------|--------|
-| `/forms/chromium/convert/html` | POST | HTML file | PDF |
-| `/forms/chromium/convert/url` | POST | URL | PDF |
-| `/forms/chromium/convert/markdown` | POST | Markdown | PDF |
-| `/forms/chromium/screenshot/html` | POST | HTML | PNG/JPEG/WebP |
-| `/forms/libreoffice/convert` | POST | Office docs | PDF |
-| `/forms/pdfengines/merge` | POST | PDFs | Merged PDF |
-| `/forms/pdfengines/split` | POST | PDF | Split PDFs |
-| `/health` | GET | - | Health status |
+This is the cleanest lead Folio has over Gotenberg today; it's where the
+last 30 commits have lived. If you've ever bolted Grafana onto Gotenberg
+just to see whether it's healthy — this replaces that step.
-See [API Documentation](./docs/gotenberg-spec.md) for full details.
+---
-### 2. CLI Mode
+## Configuration
-Command-line interface for batch operations and scripting:
+Common flags (every flag is also `FOLIO_*` env-overridable):
```bash
-# Convert various formats
-folio convert --html file.html --output out.pdf
-folio convert --url https://example.com --output out.pdf
-folio convert --markdown README.md --output readme.pdf
-
-# PDF operations
-folio merge --output combined.pdf file1.pdf file2.pdf
-folio split input.pdf --output-dir ./split/
-folio flatten input.pdf --output flat.pdf
-folio metadata read input.pdf
-```
-
-### 3. Library Mode (Rust)
-
-Use Folio as a Rust library in your applications:
-
-```rust
-// HTML to PDF
-let engine = ChromiumEngine::launch().await?;
-let pdf = engine.html_to_pdf(html, None, &opts, &ctx).await?;
-
-// URL to PDF
-let pdf = engine.url_to_pdf("https://example.com", &opts, &ctx).await?;
-
-// Markdown to PDF
-let pdf = engine.markdown_to_pdf(markdown, &opts, &ctx).await?;
-```
-
-### 4. Language Bindings
-
-**Python** ([Planned]):
-```python
-import folio
-
-engine = folio.ChromiumEngine()
-pdf = engine.html_to_pdf("Hello
")
-```
-
-**Node.js** ([Planned]):
-```javascript
-const folio = require('folio');
-const engine = new folio.ChromiumEngine();
-const pdf = await engine.htmlToPdf('Hello
');
+folio-server serve \
+ --host 0.0.0.0 --port 3000 \
+ --concurrency 8 \
+ --max-body-bytes 52428800 \ # 50 MiB
+ --request-timeout 120s \
+ --chrome /usr/bin/google-chrome --no-sandbox \
+ --soffice /usr/bin/soffice \
+ --log-level info --log-format json \
+ --api-basic-auth-username admin --api-basic-auth-password secret \
+ --otel-enabled --otel-endpoint http://localhost:4318/v1/traces
```
----
+Run `folio-server serve --help` for the full flag reference.
-## Features
-
-### ✅ Implemented
-
-- **HTML/URL to PDF**: Full Chrome rendering with print CSS support
-- **Markdown to PDF**: GitHub Flavored Markdown with syntax highlighting
-- **Office Documents**: Convert 100+ formats via LibreOffice (DOC, DOCX, PPT, XLS, ODT, etc.)
-- **PDF Operations**: Merge, split, flatten, rotate, watermark
-- **PDF Metadata**: Read/write PDF metadata
-- **Gotenberg Compatibility**: Drop-in API replacement
-- **Health Checks**: `/health` endpoint with engine status
-- **Concurrent Rendering**: Thread-safe browser instance sharing
-- **Screenshots**: URL/HTML/Markdown to PNG/JPEG/WebP
-- **BDD Testing**: Port Gotenberg's Gherkin scenarios to Rust
-- **Webhook System**: Async job dispatch with retry, full engine integration (spec 15)
-- **Structured Logging**: Context-aware logs with request_id, engine type, duration (text/JSON formats)
-- **Prometheus Metrics**: `/prometheus/metrics` endpoint with conversion, queue, and engine metrics
-
-### 🚧 In Progress / Partially Done
-
-- **Advanced Wait Conditions**: `skipNetworkIdleEvent`, `failOnResourceLoadingFailed`, etc. (spec 36)
-- **Advanced LibreOffice Fields**: 30+ missing export options (spec 37)
-- **Full CLI Flag Parity**: Many Gotenberg flags still missing (spec 39)
-- **Actionable Errors**: Structured error responses, room for enhancement (spec 44)
-- **BDD Test Suite**: Framework exists, scenario coverage incomplete (spec 50)
-- **Batch API**: CLI batch works; server-side bulk endpoint pending (spec 50-batch)
-- **Health Dashboard**: JSON `/health` works; visual HTML dashboard pending (spec 51)
-
-### ❌ Not Started (Spec-Only)
-
-- **Python / Node.js Bindings**: Empty placeholders only (specs 40, 41)
-- **Multi-Backend PDF Engines**: qpdf, pdfcpu, pdftk backends (spec 38)
-- **Special Features**: TLS, auth, cloud-run, remote URL download (spec 40-special)
-- **Smart PDF Optimiser**: Automatic bloat detection & compression (spec 42)
-- **Font Doctor**: Font rendering diagnostics (spec 43)
-- **Live Preview**: HTML→image debug preview (spec 45)
-- **PDF Size Estimator**: Pre-flight size prediction (spec 46)
-- **One-Command Install**: `curl | bash` installer (spec 47)
-- **Interactive Docs**: Built-in `/docs` API explorer (spec 48)
-- **Template Library**: Pre-built document templates (spec 49)
-
-> **Note:** This README is a high-level overview. For a ground-truth audit of what is actually built vs. spec claims, see [`docs/implementation-status.md`](./docs/implementation-status.md). The `20-missing-features-roadmap.md` spec is currently stale and should not be relied upon for current status.
+**TLS is intentionally not handled in-process.** Put nginx, Caddy, or
+envoy in front. Cert rotation, OCSP stapling, and ALPN are not things
+Folio is positioned to do better than they do.
---
-## Documentation
-
-### Core Documentation
-
-| Document | Description |
-|----------|-------------|
-| [Technical Specification](./docs/proposal.md) | Full architecture and design |
-| [Gotenberg API Spec](./docs/gotenberg-spec.md) | API compatibility details |
-| [Gap Analysis](./docs/gap-analysis.md) | Research findings |
-
-### Specs (Implementation Guides)
-
-| Spec | Description | Status |
-|------|-------------|--------|
-| [00-overview](./docs/specs/00-overview.md) | Spec system overview & conventions | 📋 Reference |
-| [10-engine-types](./docs/specs/10-engine-types.md) | Core types, errors, options | ✅ Done |
-| [11-engine-chromium](./docs/specs/11-engine-chromium.md) | Chromium engine (HTML/URL/Markdown→PDF + screenshots) | ✅ Done |
-| [12-engine-libreoffice](./docs/specs/12-engine-libreoffice.md) | LibreOffice engine (Office→PDF) | ✅ Done |
-| [13-engine-pdfops](./docs/specs/13-engine-pdfops.md) | PDF operations (merge, split, flatten, metadata, watermark, rotate) | ✅ Done |
-| [14-engine-pdfa](./docs/specs/14-engine-pdfa.md) | PDF/A & PDF/UA conformance conversion | ✅ Done |
-| [15-webhook](./docs/specs/15-webhook.md) | Async webhook callback system | 🚧 Partially Done |
-| [16-bookmarks](./docs/specs/16-bookmarks.md) | PDF bookmarks/outline read & write | ✅ Done |
-| [17-watermark](./docs/specs/17-watermark.md) | PDF watermark & stamp overlay | ✅ Done *(via spec 13)* |
-| [18-screenshot](./docs/specs/18-screenshot.md) | Chromium screenshot API (PNG/JPEG/WebP) | ✅ Done *(via spec 11)* |
-| [19-encrypt](./docs/specs/19-encrypt.md) | PDF encryption & password protection | ✅ Done |
-| [20-cli](./docs/specs/20-cli.md) | Command-line interface (`folio` binary) | ✅ Done |
-| [20-bdd-testing](./docs/specs/20-bdd-testing.md) | BDD test strategy | 🚧 Partially Done |
-| [20-missing-features-roadmap](./docs/specs/20-missing-features-roadmap.md) | Feature parity roadmap vs Gotenberg | 📋 Reference |
-| [30-server](./docs/specs/30-server.md) | HTTP server (Gotenberg-compatible API) | ✅ Done |
-| [36-chromium-wait-conditions](./docs/specs/36-chromium-wait-conditions.md) | Advanced wait conditions & options | 🚧 Partially Done |
-| [37-libreoffice-advanced](./docs/specs/37-libreoffice-advanced.md) | Advanced LibreOffice form fields | 🚧 Partially Done |
-| [38-pdfengines-backends](./docs/specs/38-pdfengines-backends.md) | Multi-backend support (qpdf, pdfcpu, pdftk) | ❌ Not Done |
-| [39-config-flags](./docs/specs/39-config-flags.md) | Full Gotenberg CLI flag parity | 🚧 Partially Done |
-| [40-bindings-py](./docs/specs/40-bindings-py.md) | Python bindings (`py` crate) | ❌ Not Done *(placeholder)* |
-| [40-special-features](./docs/specs/40-special-features.md) | TLS, auth, cloud-run, remote URL download | ❌ Not Done |
-| [41-bindings-js](./docs/specs/41-bindings-js.md) | Node.js bindings (`js` crate) | ❌ Not Done *(placeholder)* |
-| [41-github-issues-analysis](./docs/specs/41-github-issues-analysis.md) | User pain-point research from GitHub issues | 📋 Research |
-| [42-smart-pdf-optimiser](./docs/specs/42-smart-pdf-optimiser.md) | Automatic PDF size optimisation | ❌ Not Done |
-| [43-font-doctor](./docs/specs/43-font-doctor.md) | Font rendering diagnostics & fixes | ❌ Not Done |
-| [44-crystal-clear-errors](./docs/specs/44-crystal-clear-errors.md) | Actionable error messages (replace generic 500s) | 🚧 Partially Done |
-| [45-live-preview-mode](./docs/specs/45-live-preview-mode.md) | Live HTML→image preview for debugging | ❌ Not Done |
-| [46-pdf-size-estimator](./docs/specs/46-pdf-size-estimator.md) | Pre-flight PDF size prediction | ❌ Not Done |
-| [47-one-command-install](./docs/specs/47-one-command-install.md) | Frictionless install (`curl | bash`) | ❌ Not Done |
-| [48-interactive-docs](./docs/specs/48-interactive-docs.md) | Built-in API explorer at `/docs` | ❌ Not Done |
-| [49-template-library](./docs/specs/49-template-library.md) | Pre-built document templates | ❌ Not Done |
-| [50-batch-api](./docs/specs/50-batch-api.md) | Bulk conversion API (100+ docs in one request) | 🚧 Partially Done *(CLI batch only)* |
-| [50-testing-bdd](./docs/specs/50-testing-bdd.md) | BDD integration test suite (Gherkin→Rust) | 🚧 Partially Done |
-| [51-health-dashboard](./docs/specs/51-health-dashboard.md) | Visual health dashboard beyond JSON `/health` | 🚧 Partially Done |
-
-**Legend:** `✅ Done` = fully implemented & tested. `🚧 Partially Done` = core working, gaps remain. `❌ Not Done` = spec only, no code. `📋 Reference` = meta-doc or research, no code expected.
-
-### API Reference
-
-- **Chromium Routes**: `/forms/chromium/*` (convert HTML/URL/Markdown, screenshots)
-- **LibreOffice Routes**: `/forms/libreoffice/*` (convert Office docs)
-- **PDF Engine Routes**: `/forms/pdfengines/*` (merge, split, flatten, etc.)
+## Docker variants
----
+Single `Dockerfile`, multiple `--target` stages — pick the smallest one
+that does what you need.
-## Project Structure
+| Target | Contains | Use case |
+|------------------------------|----------------------|----------------------|
+| `folio` | Chromium + LO | Default |
+| `folio-chromium` | Chromium | HTML/URL/Markdown only (~30% smaller) |
+| `folio-libreoffice` | LO | Office docs only (~40% smaller) |
+| `folio-cloudrun` | Full + Cloud Run env | Google Cloud Run |
+| `folio-lambda` | Full + Lambda Web Adapter | AWS Lambda |
+| `folio-{cloudrun,lambda}-{chromium,libreoffice}` | Slim + platform | Mix-and-match |
-```
-folio/
-├── Cargo.toml # Workspace definition
-├── README.md # This file
-├── Dockerfile # Single file, 9 named --target variants (see Docker section)
-├── Dockerfile.test # Test environment (poppler, JRE, verapdf)
-├── docker-compose.yml # Development environment
-├── Makefile # Build/test/docker automation
-├── .env.example # Configuration template
-│
-├── crates/
-│ ├── engine/ # Core PDF generation engine
-│ │ ├── src/
-│ │ │ ├── chromium/ # Chrome/Chromium integration
-│ │ │ │ ├── launch.rs # Browser discovery & launch
-│ │ │ │ ├── render.rs # HTML/URL → PDF
-│ │ │ │ └── screenshot.rs # Screenshots (✅)
-│ │ │ ├── libreoffice/ # LibreOffice integration
-│ │ │ └── pdfops/ # PDF manipulation
-│ │ └── Cargo.toml
-│ │
-│ ├── server/ # HTTP server (Gotenberg-compatible)
-│ │ ├── src/
-│ │ │ ├── routes/ # API route handlers
-│ │ │ └── app.rs # Router configuration
-│ │ └── tests/ # Integration tests
-│ │
-│ ├── cli/ # Command-line interface
-│ │ └── src/commands/ # CLI subcommands
-│ │
-│
-├── docs/
-│ ├── proposal.md # Technical specification
-│ ├── gotenberg-spec.md # Gotenberg API analysis
-│ ├── gap-analysis.md # Research findings
-│ ├── assets/ # Images, logos
-│ └── specs/ # Implementation specs (32 files, see table above)
-│
-└── crates/*/tests/ # Crate-local tests (unit + integration)
- └── server/tests/bdd/ # BDD integration tests
+```bash
+docker build --target folio-chromium -t folio:chromium .
+make docker-push-all DOCKER_REGISTRY=ghcr.io/me VERSION=1.0.0
```
---
-## Development
-
-### Building from Source
-
-```bash
-# Clone the repository
-git clone https://github.com/yourusername/folio.git
-cd folio
-
-# Build all crates
-cargo build --release
+## Where things stand
-# Run tests
-cargo test
+A short, honest scorecard. The full version is [`comparison.md`](./comparison.md).
-# Run with specific features
-cargo run -p server -- serve --help
-```
-
-### Docker Image Variants
+**Ready to use:**
+HTML/URL/Markdown→PDF · Office→PDF · screenshots · merge · split · flatten ·
+rotate · watermark · metadata · bookmarks · encrypt · PDF/A & PDF/UA ·
+Basic Auth · Prometheus · OpenTelemetry · operator console · CLI · Rust
+library · multi-target Docker.
-All variants are built from a single `Dockerfile` using named `--target` stages, following Gotenberg's pattern. Each platform-specific variant (Cloud Run, Lambda) is a thin layer on top of the base variant — just environment variables.
+**In progress:**
+Webhook callback delivery (scaffold ready, delivery TODO) ·
+batch API ZIP/merge output (endpoints + worker exist) ·
+advanced Chromium wait/fail conditions (`waitForSelector`, `failOn*`) ·
+long tail of LibreOffice export filters · `embed` and full `stamp` routes.
-| Target | Tag | Description |
-|--------|-----|-------------|
-| `folio` | `latest`, `vX.Y.Z` | Full: Chromium + LibreOffice |
-| `folio-chromium` | `latest-chromium` | Chromium only (~30% smaller) |
-| `folio-libreoffice` | `latest-libreoffice` | LibreOffice only (~40% smaller) |
-| `folio-cloudrun` | `latest-cloudrun` | Full + Google Cloud Run env vars |
-| `folio-cloudrun-chromium` | `latest-chromium-cloudrun` | Chromium + Cloud Run |
-| `folio-cloudrun-libreoffice` | `latest-libreoffice-cloudrun` | LibreOffice + Cloud Run |
-| `folio-lambda` | `latest-lambda` | Full + [Lambda Web Adapter](https://github.com/awslabs/aws-lambda-web-adapter) |
-| `folio-lambda-chromium` | `latest-chromium-lambda` | Chromium + Lambda |
-| `folio-lambda-libreoffice` | `latest-libreoffice-lambda` | LibreOffice + Lambda |
+**Deliberate gaps:**
+TLS in-process (use a reverse proxy) · OAuth/JWT/RBAC (use a reverse
+proxy) · workflow/DAG engine on top of batch (out of scope).
-```bash
-# Build a specific variant
-docker build --target folio-chromium -t myrepo/folio:chromium .
+**Empty placeholders (will be removed if not built):**
+Python bindings (`crates/py/`), Node bindings (`crates/js/`).
-# Build + push all 9 variants
-make docker-push-all DOCKER_REGISTRY=myrepo/folio VERSION=1.0.0
+---
-# Run with Docker Compose (default: full image)
-docker compose up folio
+## Documentation
-# Run Chromium-only profile
-docker compose --profile chromium up folio-chromium
-```
+- [`comparison.md`](./comparison.md) — in-depth audit vs Gotenberg
+- [`docs/markdown-plus.md`](./docs/markdown-plus.md) — proposed
+ enhanced Markdown route (front-matter, math, mermaid, themes)
-### Development Commands
-
-| Command | Description |
-|---------|-------------|
-| `make docker-build` | Build full Docker image |
-| `make docker-build-all` | Build all 9 variants |
-| `make docker-push-all` | Build and push all variants |
-| `make run` | Start Folio via Docker Compose |
-| `make test-unit` | Run unit tests |
-| `make test-integration` | Run integration tests (requires Chrome) |
-| `make fmt` | Format code |
-| `make lint` | Lint with Clippy |
-| `make check` | Run format + lint + unit tests |
-| `make clean` | Clean build artifacts |
-
-### Environment Variables
-
-| Variable | Description | Default |
-|----------|-------------|---------|
-| `CHROME_PATH` | Path to Chrome/Chromium executable | Auto-detected |
-| `LIBREOFFICE_PATH` | Path to LibreOffice (soffice) | Auto-detected |
-| `RUST_LOG` | Log level (trace, debug, info, warn, error) | `info` |
-| `FOLIO_PORT` | Server port | `3000` |
-| `FOLIO_CONCURRENCY` | Max concurrent renders | CPU count |
-| `FOLIO_OTEL_ENABLED` | Enable OpenTelemetry trace export | `false` |
-| `OTEL_EXPORTER_OTLP_ENDPOINT` | OTLP HTTP trace endpoint | `http://localhost:4318/v1/traces` |
+> **Note on specs.** The previous 32-file `docs/specs/` tree has been
+> archived to [`docs/specs-archive-2026-05-01.zip`](./docs/specs-archive-2026-05-01.zip).
+> Fresh, better-organised contributor-facing specs are being written and
+> will reappear under `docs/` shortly.
---
-## Testing
-
-### Test Structure
-
-```
-tests/
-├── unit/ # Unit tests (cargo test --lib)
-├── integration/ # BDD integration tests (🚧)
-│ ├── scenarios/ # Test scenarios (ported from Gotenberg)
-│ ├── common/ # Test helpers
-│ └── testdata/ # Test fixtures
-└── e2e/ # End-to-end tests
-```
-
-### Running Tests
+## Development
```bash
-# Unit tests (no Chrome required)
-cargo test --lib
+git clone https://github.com/__deesh_reddy__/folio.git && cd folio
-# Integration tests (skip gracefully if deps missing)
-cargo test -p server --test bdd
-
-# E2E tests (skip gracefully if deps missing)
-cargo test -p server --test e2e
-
-# All tests (skip gracefully if deps missing)
-cargo test -- --test-threads=1
-
-# All tests with Docker
-make docker-test
+cargo build --release # build everything
+cargo test # unit + integration (skips gracefully if Chrome missing)
+make check # fmt + clippy + unit tests (run before PRs)
+make run # docker-compose up, full image
+make test-integration # BDD scenarios in Docker
```
-### Test Coverage
+| Command | What it does |
+|-------------------------|---------------------------------------|
+| `make docker-build` | Build full image |
+| `make docker-build-all` | Build all 9 image variants |
+| `make test-unit` | `cargo test --lib` |
+| `make test-integration` | BDD + e2e in container |
+| `make fmt` / `make lint`| `cargo fmt` / `cargo clippy` |
-We're porting Gotenberg's comprehensive BDD test suite:
-
-- ✅ Unit tests: 50+ test cases
-- 🚧 Integration tests: BDD framework with 25+ feature files (scenario pass rate unverified)
-- ✅ E2E tests: Server + CLI smoke tests
-
-See [BDD Testing Spec](./docs/specs/50-testing-bdd.md) for details.
-
----
-
-## Roadmap
-
-### Phase 1: Core Features ✅
-- [x] HTML/URL/Markdown → PDF (Chromium) — spec 11
-- [x] Office documents → PDF (LibreOffice) — spec 12
-- [x] PDF operations (merge, split, flatten, rotate, watermark) — spec 13
-- [x] PDF metadata read/write — spec 13
-- [x] Gotenberg-compatible API — spec 30
-- [x] Screenshots (HTML/URL/Markdown → PNG/JPEG/WebP) — spec 11 / 18
-- [x] Structured Logging (tracing with text/JSON formats)
-- [x] Prometheus Metrics (`/prometheus/metrics` endpoint)
-- [x] OpenTelemetry Traces (OTLP HTTP exporter)
-- [x] CLI (`folio` binary) — spec 20
-
-### Phase 2: Advanced Engine Features 🚧
-- [x] PDF/A & PDF/UA conformance conversion — spec 14
-- [x] PDF bookmarks read/write — spec 16
-- [x] PDF encryption & password protection — spec 19
-- [ ] Advanced Chromium wait conditions — spec 36
-- [ ] Advanced LibreOffice form fields — spec 37
-- [ ] Multi-backend PDF engines (qpdf, pdfcpu, pdftk) — spec 38
-
-### Phase 3: Server & Infrastructure 🚧
-- [ ] Webhook system with retry — spec 15
-- [ ] Full CLI flag parity with Gotenberg — spec 39
-- [ ] Batch API (server-side bulk conversion) — spec 50-batch
-- [ ] Actionable error messages — spec 44
-- [ ] Visual health dashboard — spec 51
-
-### Phase 4: Bindings & Ecosystem ❌
-- [ ] Python bindings (`py` crate) — spec 40
-- [ ] Node.js bindings (`js` crate) — spec 41
-- [ ] TLS, auth, cloud-run, remote URL download — spec 40-special
-
-### Phase 5: Unique Folio Features ❌
-- [ ] Smart PDF optimiser — spec 42
-- [ ] Font doctor / diagnostics — spec 43
-- [ ] Live preview mode — spec 45
-- [ ] PDF size estimator — spec 46
-- [ ] One-command install (`curl | bash`) — spec 47
-- [ ] Interactive API docs (`/docs`) — spec 48
-- [ ] Template library — spec 49
-
-See [Full Roadmap](./docs/specs/20-missing-features-roadmap.md) and detailed specs in [docs/specs/](./docs/specs/) for planning.
+**Useful env vars:** `CHROME_PATH`, `LIBREOFFICE_PATH`, `RUST_LOG`,
+`FOLIO_PORT`, `FOLIO_CONCURRENCY`, `OTEL_EXPORTER_OTLP_ENDPOINT`.
---
## Contributing
-Contributions are welcome! Please read our [contributing guidelines](./CONTRIBUTING.md) before submitting a PR.
-
-### Quick Contribution Guide
+PRs welcome. Three things that make a PR easy to land:
-1. Fork the repository
-2. Create a feature branch (`git checkout -b feature/amazing-feature`)
-3. Commit your changes (`git commit -m 'feat: add amazing feature'`)
-4. Push to the branch (`git push origin feature/amazing-feature`)
-5. Open a Pull Request
+1. `make check` passes locally.
+2. Conventional Commits style (`feat:`, `fix:`, `docs:`, `chore:`).
+3. One feature or fix per PR — split mixed work.
-### Development Workflow
-
-- Use [Conventional Commits](https://www.conventionalcommits.org/) for commit messages
-- Ensure `make check` passes before submitting PR
-- Add tests for new functionality
-- Update documentation as needed
-- Keep PRs focused on a single feature/fix
+For larger changes, open an issue first so we can agree on the shape
+before code.
---
-## Acknowledgments
-
-- **[Gotenberg](https://github.com/gotenberg/gotenberg)** - The original PDF generation API that inspired this project
-- **[chromiumoxide](https://github.com/mattsse/chromiumoxide)** - Chrome DevTools Protocol client for Rust
-- **[lopdf](https://github.com/Hopding/lopdf)** - Pure Rust PDF manipulation library
-- **[Axum](https://github.com/tokio-rs/axum)** - Ergonomic HTTP server framework
+## Acknowledgements
----
+- [Gotenberg](https://github.com/gotenberg/gotenberg) — the API contract Folio implements
+- [chromiumoxide](https://github.com/mattsse/chromiumoxide) — Chrome DevTools Protocol client
+- [lopdf](https://github.com/J-F-Liu/lopdf) — pure-Rust PDF manipulation
+- [axum](https://github.com/tokio-rs/axum) — HTTP server
## License
-Folio is licensed under the MIT License - see [LICENSE](LICENSE) for details.
-
----
-
-
- Built with ❤️ in Rust 🦀
- Folio: A new page in PDF generation.
-
+MIT. See [LICENSE](./LICENSE).
diff --git a/bench/results/20260501T101529Z/perf.md b/bench/results/20260501T101529Z/perf.md
new file mode 100644
index 0000000..4e4b6da
--- /dev/null
+++ b/bench/results/20260501T101529Z/perf.md
@@ -0,0 +1,43 @@
+# Folio vs Gotenberg — Performance Report
+
+Generated: 2026-05-01T10:39:49Z
+
+## Latency (ms)
+
+| Workload | Server | p50 | p95 | p99 | RPS | Errors |
+|----------|--------|-----|-----|-----|-----|--------|
+| html-small | folio | 880 | 1418 | 1992 | 4.2 | 0.0% |
+| html-small | gotenberg | 298 | 493 | 792 | 12.4 | 0.0% |
+| html-large | folio | 3073 | 13903 | 17935 | 0.9 | 0.0% |
+| html-large | gotenberg | 376 | 663 | 935 | 9.7 | 0.0% |
+| libreoffice-docx | folio | 19711 | 25791 | 25791 | 0.2 | 0.0% |
+| libreoffice-docx | gotenberg | 665 | 1354 | 1560 | 5.4 | 0.0% |
+| pdfengines-merge | folio | 25 | 38 | 52 | 152.6 | 0.0% |
+| pdfengines-merge | gotenberg | 17 | 59 | 99 | 165.2 | 0.0% |
+
+## Peak RSS (MiB)
+
+| Workload | Folio | Gotenberg |
+|----------|-------|-----------|
+| html-small | N/A | 785 |
+| html-large | N/A | 762 |
+| libreoffice-docx | N/A | 837 |
+| pdfengines-merge | N/A | 828 |
+
+## Stability Warnings (CV > 15%)
+
+- folio/html-small: CV=26.7% (unstable)
+- gotenberg/html-small: CV=33.9% (unstable)
+- folio/html-large: CV=84.2% (unstable)
+- gotenberg/html-large: CV=33.1% (unstable)
+- folio/libreoffice-docx: CV=28.8% (unstable)
+- gotenberg/libreoffice-docx: CV=40.6% (unstable)
+- folio/pdfengines-merge: CV=29.2% (unstable)
+- gotenberg/pdfengines-merge: CV=82.9% (unstable)
+
+## Caveats
+
+- Results are hardware-specific and not portable across machines.
+- Both servers ran under `cpus: "2"` / `mem_limit: 2g` Docker cgroups.
+- Chrome PDF rendering is non-deterministic; latency varies across runs.
+- 60-second warm-up discarded before measurements.
diff --git a/bench/results/20260501T123054Z/perf.md b/bench/results/20260501T123054Z/perf.md
new file mode 100644
index 0000000..52d640d
--- /dev/null
+++ b/bench/results/20260501T123054Z/perf.md
@@ -0,0 +1,45 @@
+# Folio vs Gotenberg — Performance Report
+
+Generated: 2026-05-01T13:07:01Z
+
+## Latency (ms)
+
+| Workload | Server | p50 | p95 | p99 | RPS | Errors |
+|----------|--------|-----|-----|-----|-----|--------|
+| html-small | folio | 186 | 210 | 256 | 21.3 | 0.0% |
+| html-small | gotenberg | 283 | 398 | 517 | 14.3 | 0.0% |
+| html-large | folio | 223 | 303 | 385 | 16.9 | 0.0% |
+| html-large | gotenberg | 299 | 494 | 686 | 12.4 | 0.0% |
+| url-local | folio | 205 | 261 | 298 | 18.6 | 0.0% |
+| url-local | gotenberg | 289 | 396 | 591 | 13.7 | 0.0% |
+| libreoffice-docx | folio | 1256 | 1471 | 1710 | 3.1 | 0.0% |
+| libreoffice-docx | gotenberg | 528 | 859 | 1030 | 6.7 | 0.0% |
+| pdfengines-merge | folio | 11 | 22 | 37 | 316.5 | 0.0% |
+| pdfengines-merge | gotenberg | 25 | 47 | 61 | 139.1 | 0.0% |
+
+## Peak RSS (MiB)
+
+| Workload | Folio | Gotenberg |
+|----------|-------|-----------|
+| html-small | 488 | 312 |
+| html-large | 542 | 324 |
+| url-local | 573 | 331 |
+| libreoffice-docx | 697 | 317 |
+| pdfengines-merge | 550 | 298 |
+
+## Stability Warnings (CV > 15%)
+
+- gotenberg/html-small: CV=23.3% (unstable)
+- folio/html-large: CV=15.9% (unstable)
+- gotenberg/html-large: CV=29.0% (unstable)
+- gotenberg/url-local: CV=23.6% (unstable)
+- gotenberg/libreoffice-docx: CV=27.1% (unstable)
+- folio/pdfengines-merge: CV=59.2% (unstable)
+- gotenberg/pdfengines-merge: CV=37.1% (unstable)
+
+## Caveats
+
+- Results are hardware-specific and not portable across machines.
+- Both servers ran under `cpus: "2"` / `mem_limit: 2g` Docker cgroups.
+- Chrome PDF rendering is non-deterministic; latency varies across runs.
+- 60-second warm-up discarded before measurements.
diff --git a/bench/results/20260501T184521Z/perf.md b/bench/results/20260501T184521Z/perf.md
new file mode 100644
index 0000000..791aebd
--- /dev/null
+++ b/bench/results/20260501T184521Z/perf.md
@@ -0,0 +1,44 @@
+# Folio vs Gotenberg — Performance Report
+
+Generated: 2026-05-01T19:55:31Z
+
+## Latency (ms)
+
+| Workload | Server | p50 | p95 | p99 | RPS | Errors |
+|----------|--------|-----|-----|-----|-----|--------|
+| html-small | folio | 195 | 230 | 258 | 20.2 | 0.0% |
+| html-small | gotenberg | 297 | 402 | 526 | 13.2 | 0.0% |
+| html-large | folio | 214 | 265 | 293 | 18.0 | 0.0% |
+| html-large | gotenberg | 303 | 408 | 576 | 12.6 | 0.0% |
+| url-local | folio | 210 | 257 | 291 | 18.4 | 0.0% |
+| url-local | gotenberg | 302 | 404 | 590 | 12.7 | 0.0% |
+| libreoffice-docx | folio | 254 | 282 | 326 | 15.5 | 0.0% |
+| libreoffice-docx | gotenberg | 406 | 629 | 658 | 8.3 | 0.0% |
+| pdfengines-merge | folio | 9 | 13 | 19 | 412.1 | 0.0% |
+| pdfengines-merge | gotenberg | 13 | 25 | 34 | 259.7 | 0.0% |
+
+## Peak RSS (MiB)
+
+| Workload | Folio | Gotenberg |
+|----------|-------|-----------|
+| html-small | 415 | 436 |
+| html-large | 530 | 454 |
+| url-local | 641 | 472 |
+| libreoffice-docx | 1538 | 471 |
+| pdfengines-merge | 2041 | 446 |
+
+## Stability Warnings (CV > 15%)
+
+- gotenberg/html-small: CV=20.1% (unstable)
+- gotenberg/html-large: CV=20.4% (unstable)
+- gotenberg/url-local: CV=20.6% (unstable)
+- gotenberg/libreoffice-docx: CV=22.2% (unstable)
+- folio/pdfengines-merge: CV=30.3% (unstable)
+- gotenberg/pdfengines-merge: CV=32.1% (unstable)
+
+## Caveats
+
+- Results are hardware-specific and not portable across machines.
+- Both servers ran under `cpus: "2"` / `mem_limit: 2g` Docker cgroups.
+- Chrome PDF rendering is non-deterministic; latency varies across runs.
+- 60-second warm-up discarded before measurements.
diff --git a/bench/src/perf.rs b/bench/src/perf.rs
index d4ec8e7..46a4a73 100644
--- a/bench/src/perf.rs
+++ b/bench/src/perf.rs
@@ -28,6 +28,9 @@ pub struct PerfArgs {
pub skip_preflight: bool,
#[arg(long)]
pub output_dir: Option,
+ /// Comma-separated workload names to skip (e.g. --skip url-local).
+ #[arg(long, value_delimiter = ',')]
+ pub skip: Vec,
}
pub async fn run_perf(args: PerfArgs) -> anyhow::Result<()> {
@@ -44,6 +47,10 @@ pub async fn run_perf(args: PerfArgs) -> anyhow::Result<()> {
let mut all_results = Vec::new();
for w in &workloads {
+ if args.skip.iter().any(|s| s == w.name) {
+ println!("\n=== {} — skipped ===", w.name);
+ continue;
+ }
println!("\n=== {} — {} ===", w.name, w.description);
let folio_result = run_workload(
@@ -133,11 +140,13 @@ async fn quality_check(w: &workload::WorkloadDef, url: &str) -> anyhow::Result<(
for path in &w.fixtures {
let bytes = tokio::fs::read(path).await
.map_err(|e| anyhow::anyhow!("failed to read fixture {:?}: {e}", path))?;
- let filename = path.file_name().unwrap().to_string_lossy().to_string();
+ let filename = w.fixture_filename
+ .map(|s| s.to_string())
+ .unwrap_or_else(|| path.file_name().unwrap().to_string_lossy().to_string());
let part = reqwest::multipart::Part::bytes(bytes)
.file_name(filename.clone())
.mime_str("application/octet-stream")?;
- form = form.part(filename, part);
+ form = form.part(w.fixture_field, part);
}
for (k, v) in &w.extra_fields {
form = form.text(k.to_string(), v.to_string());
@@ -164,6 +173,8 @@ async fn drive_once(
.map(|(k, v)| (k.to_string(), v.to_string()))
.collect();
+ let fixture_field = w.fixture_field;
+ let fixture_filename = w.fixture_filename;
let body_fn = Arc::new(move || {
let url = url.clone();
let fixtures = fixtures.clone();
@@ -172,11 +183,13 @@ async fn drive_once(
let mut form = reqwest::multipart::Form::new();
for path in &fixtures {
let bytes = tokio::fs::read(path).await?;
- let filename = path.file_name().unwrap().to_string_lossy().to_string();
+ let filename = fixture_filename
+ .map(|s| s.to_string())
+ .unwrap_or_else(|| path.file_name().unwrap().to_string_lossy().to_string());
let part = reqwest::multipart::Part::bytes(bytes)
.file_name(filename.clone())
.mime_str("application/octet-stream")?;
- form = form.part(filename, part);
+ form = form.part(fixture_field, part);
}
for (k, v) in &extra_fields {
form = form.text(k.clone(), v.clone());
diff --git a/bench/src/workload.rs b/bench/src/workload.rs
index e13a676..5b1952f 100644
--- a/bench/src/workload.rs
+++ b/bench/src/workload.rs
@@ -6,6 +6,10 @@ pub struct WorkloadDef {
pub folio_route: &'static str,
pub gotenberg_route: &'static str,
pub fixtures: Vec,
+ /// Override the multipart field name for all fixtures (Folio/Gotenberg use "files").
+ pub fixture_field: &'static str,
+ /// Override the multipart filename for all fixtures (e.g. HTML endpoints require "index.html").
+ pub fixture_filename: Option<&'static str>,
pub extra_fields: Vec<(&'static str, &'static str)>,
pub expected_pages: Option,
}
@@ -20,6 +24,8 @@ pub fn all_workloads() -> Vec {
folio_route: "/forms/chromium/convert/html",
gotenberg_route: "/forms/chromium/convert/html",
fixtures: vec![fixtures_dir.join("html_small.html")],
+ fixture_field: "files",
+ fixture_filename: Some("index.html"),
extra_fields: vec![],
expected_pages: None,
},
@@ -29,6 +35,8 @@ pub fn all_workloads() -> Vec {
folio_route: "/forms/chromium/convert/html",
gotenberg_route: "/forms/chromium/convert/html",
fixtures: vec![fixtures_dir.join("html_large.html")],
+ fixture_field: "files",
+ fixture_filename: Some("index.html"),
extra_fields: vec![],
expected_pages: None,
},
@@ -38,6 +46,8 @@ pub fn all_workloads() -> Vec {
folio_route: "/forms/chromium/convert/url",
gotenberg_route: "/forms/chromium/convert/url",
fixtures: vec![],
+ fixture_field: "files",
+ fixture_filename: None,
extra_fields: vec![("url", "http://host.docker.internal:18080/bench.html")],
expected_pages: None,
},
@@ -47,6 +57,8 @@ pub fn all_workloads() -> Vec {
folio_route: "/forms/libreoffice/convert",
gotenberg_route: "/forms/libreoffice/convert",
fixtures: vec![fixtures_dir.join("sample.docx")],
+ fixture_field: "files",
+ fixture_filename: None,
extra_fields: vec![],
expected_pages: None,
},
@@ -62,6 +74,8 @@ pub fn all_workloads() -> Vec {
fixtures_dir.join("page_4.pdf"),
fixtures_dir.join("page_5.pdf"),
],
+ fixture_field: "files",
+ fixture_filename: None,
extra_fields: vec![],
expected_pages: None,
},
diff --git a/bindings/CHROME_VERSION b/bindings/CHROME_VERSION
new file mode 100644
index 0000000..ba102db
--- /dev/null
+++ b/bindings/CHROME_VERSION
@@ -0,0 +1 @@
+131.0.6778.204
\ No newline at end of file
diff --git a/bindings/README.md b/bindings/README.md
new file mode 100644
index 0000000..b8d5e0d
--- /dev/null
+++ b/bindings/README.md
@@ -0,0 +1,15 @@
+# Folio bindings
+
+This directory ships Folio as embeddable libraries.
+
+- `bindings/python/` — maturin project producing the `folio` PyPI package.
+- `bindings/node/` — napi-rs project producing the `@folio/folio` npm package.
+- `bindings/fixtures/` — shared HTML/Office fixtures used by tests.
+- `CHROME_VERSION` — pinned Chrome-for-Testing version. Bumped per release.
+
+The Rust glue lives in `crates/py` and `crates/js`. The Folio engine
+itself is unchanged; bindings reuse `crates/engine` plus the new
+`engine::chrome_fetch` module.
+
+See `docs/superpowers/specs/2026-05-01-bindings-design.md` for the full
+design (v1 + v2).
diff --git a/bindings/fixtures/hello.html b/bindings/fixtures/hello.html
new file mode 100644
index 0000000..66c352f
--- /dev/null
+++ b/bindings/fixtures/hello.html
@@ -0,0 +1 @@
+folio e2e
diff --git a/bindings/node/.gitignore b/bindings/node/.gitignore
new file mode 100644
index 0000000..4505758
--- /dev/null
+++ b/bindings/node/.gitignore
@@ -0,0 +1,6 @@
+node_modules/
+*.node
+dist/
+*.log
+_native.js
+_native.d.ts
diff --git a/bindings/node/README.md b/bindings/node/README.md
new file mode 100644
index 0000000..7a10d64
--- /dev/null
+++ b/bindings/node/README.md
@@ -0,0 +1,14 @@
+# @folio/folio
+
+Rust-native PDF conversion, embeddable in Node. See spec at
+`docs/superpowers/specs/2026-05-01-bindings-design.md`.
+
+ npm install @folio/folio
+
+ import { Folio } from '@folio/folio';
+ const f = await Folio.create();
+ try {
+ const pdf = await f.htmlToPdf('hi
');
+ } finally {
+ await f.close();
+ }
diff --git a/bindings/node/index.d.ts b/bindings/node/index.d.ts
new file mode 100644
index 0000000..c978e07
--- /dev/null
+++ b/bindings/node/index.d.ts
@@ -0,0 +1,31 @@
+/* tslint:disable */
+/* eslint-disable */
+
+/* auto-generated by NAPI-RS */
+
+/** Options passed to [`Folio::create`]. */
+export interface CreateOptions {
+ /** Which engines to enable. Defaults to `["chromium", "office"]`. */
+ engines?: Array
+ /** Explicit path to a Chrome/Chromium executable. */
+ chromePath?: string
+ /** Automatically download Chrome if no system Chrome is found. */
+ autoDownloadChrome?: boolean
+ /** Directory used to cache downloaded Chrome binaries. */
+ chromeCacheDir?: string
+}
+/** Async Folio client that wraps the PDF/document engines. */
+export declare class Folio {
+ /** Create a new Folio instance, launching the requested engines. */
+ static create(opts?: CreateOptions | undefined | null): Promise
+ /** Convert an HTML string to a PDF buffer. */
+ htmlToPdf(html: string, options?: Json | undefined | null): Promise
+ /** Convert a URL to a PDF buffer. */
+ urlToPdf(url: string, options?: Json | undefined | null): Promise
+ /** Convert a Markdown string to a PDF buffer. */
+ markdownToPdf(md: string, options?: Json | undefined | null): Promise
+ /** Convert an office document at `path` to a PDF buffer. */
+ officeToPdf(path: string, options?: Json | undefined | null): Promise
+ /** Shut down the Folio instance and release resources. */
+ close(): Promise
+}
diff --git a/bindings/node/index.js b/bindings/node/index.js
new file mode 100644
index 0000000..ac7a4b5
--- /dev/null
+++ b/bindings/node/index.js
@@ -0,0 +1,60 @@
+'use strict';
+
+const { Folio: NativeFolio } = require('./_native.js');
+
+class FolioError extends Error { constructor(m){ super(m); this.name='FolioError'; } }
+class ChromeNotFoundError extends FolioError { constructor(m){ super(m); this.name='ChromeNotFoundError'; } }
+class ChromeFetchError extends FolioError { constructor(m){ super(m); this.name='ChromeFetchError'; } }
+class ChromiumError extends FolioError { constructor(m){ super(m); this.name='ChromiumError'; } }
+class OfficeError extends FolioError { constructor(m){ super(m); this.name='OfficeError'; } }
+class EngineDisabledError extends FolioError { constructor(m){ super(m); this.name='EngineDisabledError'; } }
+class TimeoutError extends FolioError { constructor(m){ super(m); this.name='TimeoutError'; } }
+class ValidationError extends FolioError { constructor(m){ super(m); this.name='ValidationError'; } }
+
+const tagMap = {
+ ChromeNotFound: ChromeNotFoundError,
+ ChromeFetch: ChromeFetchError,
+ Chromium: ChromiumError,
+ Office: OfficeError,
+ EngineDisabled: EngineDisabledError,
+ Timeout: TimeoutError,
+ Validation: ValidationError,
+};
+
+function decorate(err) {
+ if (!(err instanceof Error)) return err;
+ const m = err.message || '';
+ const match = m.match(/^\[(\w+)\]\s*(.*)$/);
+ if (!match) return err;
+ const Cls = tagMap[match[1]];
+ if (!Cls) return err;
+ const decorated = new Cls(match[2]);
+ decorated.cause = err;
+ return decorated;
+}
+
+function wrapMethod(fn) {
+ return async function(...args) {
+ try { return await fn.apply(this, args); }
+ catch (e) { throw decorate(e); }
+ };
+}
+
+class Folio {
+ constructor(inner) { this._inner = inner; }
+ static async create(opts) {
+ try {
+ const inner = await NativeFolio.create(opts);
+ return new Folio(inner);
+ } catch (e) { throw decorate(e); }
+ }
+}
+for (const m of ['htmlToPdf', 'urlToPdf', 'markdownToPdf', 'officeToPdf', 'close']) {
+ Folio.prototype[m] = wrapMethod(function(...args) { return this._inner[m](...args); });
+}
+
+module.exports = {
+ Folio,
+ FolioError, ChromeNotFoundError, ChromeFetchError, ChromiumError,
+ OfficeError, EngineDisabledError, TimeoutError, ValidationError,
+};
diff --git a/bindings/node/package-lock.json b/bindings/node/package-lock.json
new file mode 100644
index 0000000..3e25ac0
--- /dev/null
+++ b/bindings/node/package-lock.json
@@ -0,0 +1,1890 @@
+{
+ "name": "@folio/folio",
+ "version": "0.1.0",
+ "lockfileVersion": 3,
+ "requires": true,
+ "packages": {
+ "": {
+ "name": "@folio/folio",
+ "version": "0.1.0",
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+ }
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+}
diff --git a/bindings/node/package.json b/bindings/node/package.json
new file mode 100644
index 0000000..9df96b4
--- /dev/null
+++ b/bindings/node/package.json
@@ -0,0 +1,26 @@
+{
+ "name": "@folio/folio",
+ "version": "0.1.0",
+ "description": "Folio: Rust-native PDF conversion, embeddable in Node.",
+ "main": "index.js",
+ "types": "index.d.ts",
+ "license": "MIT",
+ "engines": { "node": ">= 18" },
+ "napi": {
+ "name": "folio-node",
+ "triples": {
+ "defaults": true,
+ "additional": ["aarch64-apple-darwin", "x86_64-unknown-linux-gnu", "aarch64-unknown-linux-gnu"]
+ }
+ },
+ "scripts": {
+ "build": "napi build --platform --release --cargo-cwd ../../crates/js --cargo-name folio_js --js _native.js --dts _native.d.ts",
+ "build:debug": "napi build --platform --cargo-cwd ../../crates/js --cargo-name folio_js --js _native.js --dts _native.d.ts",
+ "test": "vitest run"
+ },
+ "devDependencies": {
+ "@napi-rs/cli": "^2.18.0",
+ "@types/node": "^20.0.0",
+ "vitest": "^1.6.0"
+ }
+}
diff --git a/bindings/node/tests/e2e.test.mjs b/bindings/node/tests/e2e.test.mjs
new file mode 100644
index 0000000..2bcd466
--- /dev/null
+++ b/bindings/node/tests/e2e.test.mjs
@@ -0,0 +1,36 @@
+import { describe, it, expect } from 'vitest';
+import { readFile } from 'node:fs/promises';
+import { fileURLToPath } from 'node:url';
+import { dirname, resolve } from 'node:path';
+import { Folio } from '../index.js';
+
+const E2E = process.env.FOLIO_E2E === '1';
+const here = dirname(fileURLToPath(import.meta.url));
+const fixture = resolve(here, '../../fixtures/hello.html');
+
+describe.skipIf(!E2E)('e2e', () => {
+ it('htmlToPdf', async () => {
+ const f = await Folio.create({ engines: ['chromium'] });
+ try {
+ const html = await readFile(fixture, 'utf8');
+ const pdf = await f.htmlToPdf(html);
+ expect(pdf.subarray(0, 4).toString()).toBe('%PDF');
+ } finally { await f.close(); }
+ }, 120_000);
+
+ it('urlToPdf', async () => {
+ const f = await Folio.create({ engines: ['chromium'] });
+ try {
+ const pdf = await f.urlToPdf('about:blank');
+ expect(pdf.subarray(0, 4).toString()).toBe('%PDF');
+ } finally { await f.close(); }
+ }, 120_000);
+
+ it('markdownToPdf', async () => {
+ const f = await Folio.create({ engines: ['chromium'] });
+ try {
+ const pdf = await f.markdownToPdf('# hello');
+ expect(pdf.subarray(0, 4).toString()).toBe('%PDF');
+ } finally { await f.close(); }
+ }, 120_000);
+});
diff --git a/bindings/node/tests/smoke.test.mjs b/bindings/node/tests/smoke.test.mjs
new file mode 100644
index 0000000..677426a
--- /dev/null
+++ b/bindings/node/tests/smoke.test.mjs
@@ -0,0 +1,38 @@
+import { describe, it, expect } from 'vitest';
+import {
+ Folio,
+ FolioError,
+ ChromeNotFoundError,
+ ChromeFetchError,
+ ChromiumError,
+ OfficeError,
+ EngineDisabledError,
+ TimeoutError,
+ ValidationError,
+} from '../index.js';
+
+describe('module exports', () => {
+ it('exposes Folio class with create static method', () => {
+ expect(typeof Folio.create).toBe('function');
+ });
+
+ it('exposes Folio instance methods on prototype', () => {
+ for (const m of ['htmlToPdf', 'urlToPdf', 'markdownToPdf', 'officeToPdf', 'close']) {
+ expect(typeof Folio.prototype[m]).toBe('function');
+ }
+ });
+
+ it('error subclasses extend FolioError', () => {
+ expect(new ChromeNotFoundError('x')).toBeInstanceOf(FolioError);
+ expect(new ChromeFetchError('x')).toBeInstanceOf(FolioError);
+ expect(new ChromiumError('x')).toBeInstanceOf(FolioError);
+ expect(new OfficeError('x')).toBeInstanceOf(FolioError);
+ expect(new EngineDisabledError('x')).toBeInstanceOf(FolioError);
+ expect(new TimeoutError('x')).toBeInstanceOf(FolioError);
+ expect(new ValidationError('x')).toBeInstanceOf(FolioError);
+ });
+
+ it('FolioError extends Error', () => {
+ expect(new FolioError('x')).toBeInstanceOf(Error);
+ });
+});
diff --git a/bindings/python/.gitignore b/bindings/python/.gitignore
new file mode 100644
index 0000000..f1e48b8
--- /dev/null
+++ b/bindings/python/.gitignore
@@ -0,0 +1,6 @@
+.venv/
+__pycache__/
+*.so
+*.pyd
+dist/
+*.egg-info/
diff --git a/bindings/python/README.md b/bindings/python/README.md
new file mode 100644
index 0000000..9add61f
--- /dev/null
+++ b/bindings/python/README.md
@@ -0,0 +1,30 @@
+# folio (Python)
+
+Rust-native PDF conversion, embeddable. See spec at
+`docs/superpowers/specs/2026-05-01-bindings-design.md`.
+
+## Install
+
+ pip install folio
+
+## Quick start
+
+ from folio import Folio
+ with Folio() as f:
+ pdf = f.html_to_pdf("hi
")
+ open("out.pdf", "wb").write(pdf)
+
+## Async
+
+ import asyncio
+ from folio import AsyncFolio
+
+ async def main():
+ f = await AsyncFolio.create()
+ try:
+ pdf = await f.html_to_pdf("hi
")
+ finally:
+ await f.close()
+ return pdf
+
+ asyncio.run(main())
diff --git a/bindings/python/folio/__init__.py b/bindings/python/folio/__init__.py
new file mode 100644
index 0000000..f0e02a7
--- /dev/null
+++ b/bindings/python/folio/__init__.py
@@ -0,0 +1,26 @@
+"""Folio — Rust-native PDF conversion."""
+from ._native import (
+ Folio,
+ AsyncFolio,
+ FolioError,
+ ChromeNotFoundError,
+ ChromeFetchError,
+ ChromiumError,
+ OfficeError,
+ EngineDisabledError,
+ TimeoutError,
+ ValidationError,
+)
+
+__all__ = [
+ "Folio",
+ "AsyncFolio",
+ "FolioError",
+ "ChromeNotFoundError",
+ "ChromeFetchError",
+ "ChromiumError",
+ "OfficeError",
+ "EngineDisabledError",
+ "TimeoutError",
+ "ValidationError",
+]
diff --git a/bindings/python/pyproject.toml b/bindings/python/pyproject.toml
new file mode 100644
index 0000000..3209eff
--- /dev/null
+++ b/bindings/python/pyproject.toml
@@ -0,0 +1,27 @@
+[build-system]
+requires = ["maturin>=1.7,<2.0"]
+build-backend = "maturin"
+
+[project]
+name = "folio"
+version = "0.1.0"
+description = "Folio: Rust-native PDF conversion, embeddable in Python."
+readme = "README.md"
+license = { text = "MIT" }
+requires-python = ">=3.8"
+classifiers = [
+ "Programming Language :: Python :: 3",
+ "Programming Language :: Rust",
+ "License :: OSI Approved :: MIT License",
+]
+
+[project.urls]
+Homepage = "https://github.com/__deesh_reddy__/folio"
+Repository = "https://github.com/__deesh_reddy__/folio"
+
+[tool.maturin]
+manifest-path = "../../crates/py/Cargo.toml"
+module-name = "folio._native"
+features = ["pyo3/extension-module"]
+python-source = "."
+strip = true
diff --git a/bindings/python/tests/test_e2e.py b/bindings/python/tests/test_e2e.py
new file mode 100644
index 0000000..730700f
--- /dev/null
+++ b/bindings/python/tests/test_e2e.py
@@ -0,0 +1,35 @@
+import os, pathlib, pytest
+import folio
+
+E2E = os.environ.get("FOLIO_E2E") == "1"
+pytestmark = pytest.mark.skipif(not E2E, reason="FOLIO_E2E not set")
+
+FIXTURE = pathlib.Path(__file__).resolve().parents[2] / "fixtures" / "hello.html"
+
+def test_html_to_pdf_sync():
+ with folio.Folio(engines=["chromium"]) as f:
+ pdf = f.html_to_pdf(FIXTURE.read_text())
+ assert pdf[:4] == b"%PDF"
+
+def test_url_to_pdf_sync():
+ with folio.Folio(engines=["chromium"]) as f:
+ pdf = f.url_to_pdf("about:blank")
+ assert pdf[:4] == b"%PDF"
+
+def test_markdown_to_pdf_sync():
+ with folio.Folio(engines=["chromium"]) as f:
+ pdf = f.markdown_to_pdf("# hello\n\nfolio e2e")
+ assert pdf[:4] == b"%PDF"
+
+import asyncio
+
+def test_html_to_pdf_async():
+ async def run():
+ f = await folio.AsyncFolio.create(engines=["chromium"])
+ try:
+ pdf = await f.html_to_pdf(FIXTURE.read_text())
+ finally:
+ await f.close()
+ return pdf
+ pdf = asyncio.run(run())
+ assert pdf[:4] == b"%PDF"
diff --git a/bindings/python/tests/test_smoke.py b/bindings/python/tests/test_smoke.py
new file mode 100644
index 0000000..1882fe3
--- /dev/null
+++ b/bindings/python/tests/test_smoke.py
@@ -0,0 +1,38 @@
+import folio
+
+def test_module_exports():
+ assert hasattr(folio, "Folio")
+ assert hasattr(folio, "AsyncFolio")
+ assert issubclass(folio.ChromeNotFoundError, folio.FolioError)
+ assert issubclass(folio.ChromiumError, folio.FolioError)
+ assert issubclass(folio.OfficeError, folio.FolioError)
+ assert issubclass(folio.ValidationError, folio.FolioError)
+
+def test_validation_error_class_exists():
+ assert folio.ValidationError is not None
+ assert issubclass(folio.ValidationError, folio.FolioError)
+
+def test_folio_class_methods():
+ # Don't instantiate (would launch Chrome). Just check the class exists.
+ assert hasattr(folio.Folio, "html_to_pdf")
+ assert hasattr(folio.Folio, "url_to_pdf")
+ assert hasattr(folio.Folio, "markdown_to_pdf")
+ assert hasattr(folio.Folio, "office_to_pdf")
+ assert hasattr(folio.Folio, "close")
+ assert hasattr(folio.Folio, "__enter__")
+ assert hasattr(folio.Folio, "__exit__")
+
+def test_async_folio_class_exists():
+ assert hasattr(folio.AsyncFolio, "create")
+ assert hasattr(folio.AsyncFolio, "html_to_pdf")
+ assert hasattr(folio.AsyncFolio, "url_to_pdf")
+ assert hasattr(folio.AsyncFolio, "markdown_to_pdf")
+ assert hasattr(folio.AsyncFolio, "office_to_pdf")
+ assert hasattr(folio.AsyncFolio, "close")
+
+def test_async_folio_create_returns_coroutine():
+ """AsyncFolio.create() must return an awaitable, not eagerly launch."""
+ import folio, inspect
+ # Don't call it (would launch chrome). Just confirm it's a static method
+ # and the signature accepts our args.
+ assert callable(folio.AsyncFolio.create)
diff --git a/comparison.md b/comparison.md
new file mode 100644
index 0000000..d73a1c4
--- /dev/null
+++ b/comparison.md
@@ -0,0 +1,559 @@
+# Folio vs Gotenberg — In-Depth Feature Comparison
+
+> **Snapshot date:** 2026-05-01
+> **Folio commit:** `spec/operator-console` (HEAD: `209a444`)
+> **Gotenberg snapshot:** vendored at `tmp/gotenberg/`
+> **Companion:** `docs/markdown-plus.md` (the new Markdown variation
+> referenced in this comparison's recommendations).
+
+This document is an audit, not a sales sheet. It records what each project
+does *today*, what Folio has chosen not to do (deliberately or not), and
+what is missing relative to Gotenberg parity. It is structured so that any
+single section can be read in isolation by someone deciding whether Folio
+is ready for their workload.
+
+---
+
+## 0. TL;DR
+
+| Axis | Folio | Gotenberg | Verdict |
+|-----------------------------------------|------------------------------------|------------------------------------|------------------------|
+| Core conversions (HTML/URL/MD/Office) | ✅ Implemented | ✅ Implemented | **Parity** |
+| Screenshot routes (PNG/JPEG/WebP) | ✅ Implemented | ✅ Implemented | **Parity** |
+| PDF ops (merge/split/flatten/rotate/…) | ✅ Implemented (single backend) | ✅ Implemented (multi backend) | Folio behind on choice |
+| PDF/A & PDF/UA | ✅ via Ghostscript | ✅ via LibreOffice + engines | Different paths, OK |
+| Metadata read/write | ✅ | ✅ | **Parity** |
+| Bookmarks read/write | ✅ | ✅ | **Parity** |
+| Encrypt | ✅ | ✅ | **Parity** |
+| Watermark / stamp | ✅ (watermark) / partial (stamp) | ✅ both | Folio behind on stamp |
+| Webhook async delivery | 🚧 Scaffolded, callback TODO | ✅ Production-grade | **Folio missing** |
+| Batch API | 🚧 Endpoints + worker, ZIP TODO | ❌ Not offered | Folio ahead (in spec) |
+| Prometheus metrics | ✅ Rich set | ✅ Standard set | **Parity** |
+| Structured logs | ✅ JSON/text + request IDs | ✅ slog | **Parity** |
+| OpenTelemetry traces | ✅ OTLP HTTP | ✅ OTel SDK | **Parity** |
+| Operator console (live UI) | ✅ Svelte SPA, SSE, charts | ❌ JSON only | **Folio ahead** |
+| Auth (Basic) | ✅ | ✅ | **Parity** |
+| TLS | ❌ (rely on reverse proxy) | ✅ (cert/key flags) | **Folio missing** |
+| SSRF / download allow-deny | partial | ✅ rich | **Folio behind** |
+| Multi-engine fallback per op | ❌ (lopdf only) | ✅ qpdf/pdfcpu/pdftk/exiftool | **Folio missing** |
+| Python / Node bindings | ❌ Empty crates | ❌ Not offered | Both miss |
+| CLI (convert/merge/split/…) | ✅ | ❌ Not offered | **Folio ahead** |
+| Library (Rust crate) usage | ✅ | ❌ Server-only | **Folio ahead** |
+
+**Bottom line.** Folio reaches roughly **85% of Gotenberg's HTTP-surface
+capability** while exceeding it on observability, in-process usage, and
+CLI ergonomics. The remaining 15% — webhook callback delivery, multi-engine
+fallback chains, TLS, fine-grained SSRF controls, advanced Chromium wait
+conditions, the long tail of LibreOffice export filters — is what blocks a
+clean drop-in replacement claim today.
+
+---
+
+## 1. Architecture comparison
+
+### 1.1 Gotenberg
+- **Language:** Go
+- **Framework:** Echo HTTP, modular plugin system
+- **Concurrency model:** Process pools per engine (Chromium / LibreOffice
+ supervised externally), goroutines per request
+- **Rendering:** Each Chromium conversion launches/uses a managed Chrome
+ subprocess; LibreOffice spawns `soffice` per conversion
+- **Deployment shape:** Container-only — the project is explicitly a
+ Docker product
+- **Distribution:** Single binary inside a Debian image with all engines
+ preinstalled
+
+### 1.2 Folio
+- **Language:** Rust
+- **Framework:** axum / tower
+- **Concurrency model:** Tokio tasks, semaphore-bounded; engines wrapped in
+ `SupervisedEngine` with lazy-start / idle-shutdown
+- **Rendering:** Chromium via `chromiumoxide` (CDP) — Folio holds the
+ client; LibreOffice via `soffice` subprocess
+- **Deployment shape:** Container *or* binary *or* Rust library *or* CLI
+- **Distribution:** Multi-target Dockerfile (`folio`, `folio-chromium`,
+ `folio-libreoffice`, `folio-cloudrun`, `folio-lambda`)
+
+### 1.3 What this means in practice
+Folio's choice to live as a *library* is the real architectural divergence
+— it is a strict superset of "PDF microservice", whereas Gotenberg only
+exists as the microservice form. That choice shapes a lot of what
+follows: the supervised-engine wrapper, the operator console, the CLI all
+flow from "we are not married to the HTTP surface."
+
+---
+
+## 2. HTTP API comparison
+
+### 2.1 Endpoint matrix
+
+| Route | Folio | Gotenberg | Notes |
+|---------------------------------------------------|-------|-----------|-------|
+| `POST /forms/chromium/convert/url` | ✅ | ✅ | parity |
+| `POST /forms/chromium/convert/html` | ✅ | ✅ | parity |
+| `POST /forms/chromium/convert/markdown` | ✅ | ✅ | parity, see §3.4 |
+| `POST /forms/chromium/screenshot/url` | ✅ | ✅ | parity |
+| `POST /forms/chromium/screenshot/html` | ✅ | ✅ | parity |
+| `POST /forms/chromium/screenshot/markdown` | ✅ | ✅ | parity |
+| `POST /forms/libreoffice/convert` | ✅ | ✅ | parity, filter coverage differs (see §3.5) |
+| `POST /forms/pdfengines/merge` | ✅ | ✅ | parity |
+| `POST /forms/pdfengines/split` | ✅ | ✅ | parity |
+| `POST /forms/pdfengines/flatten` | ✅ | ✅ | parity |
+| `POST /forms/pdfengines/convert` (PDF/A, PDF/UA) | ✅ | ✅ | different backend |
+| `POST /forms/pdfengines/rotate` | ✅ | ✅ | parity |
+| `POST /forms/pdfengines/metadata/read` | ✅ | ✅ | parity |
+| `POST /forms/pdfengines/metadata/write` | ✅ | ✅ | parity |
+| `POST /forms/pdfengines/bookmarks/read` | ✅ | ✅ | parity |
+| `POST /forms/pdfengines/bookmarks/write` | ✅ | ✅ | parity |
+| `POST /forms/pdfengines/encrypt` | ✅ | ✅ | parity |
+| `POST /forms/pdfengines/embed` | ❌ | ✅ | **Folio missing** — attach files inside PDF |
+| `POST /forms/pdfengines/watermark` | ✅ | ✅ | parity |
+| `POST /forms/pdfengines/stamp` | 🚧 | ✅ | **Folio partial** — overlay-on-pages variant |
+| `POST /forms/batch/submit` | 🚧 | ❌ | **Folio ahead in spec** |
+| `GET /forms/batch/{id}/status` | 🚧 | ❌ | **Folio ahead in spec** |
+| `GET /forms/batch/{id}/download` | 🚧 | ❌ | **Folio ahead in spec** |
+| `GET /health` | ✅ | ✅ | parity |
+| `GET /version` | ✅ | ❌ | **Folio ahead** (Gotenberg ships version on root) |
+| `GET /prometheus/metrics` | ✅ | ✅ | parity |
+| `GET /_/`, `/_/sse`, `/_/metrics.json` | ✅ | ❌ | **Folio ahead** — operator console |
+| Webhook headers (`Webhook-Url`, etc.) | 🚧 | ✅ | callback delivery TODO in Folio |
+
+**Visible gaps in HTTP surface:** `embed`, full `stamp`, complete webhook
+callback delivery, batch ZIP/merge output. Everything else exists.
+
+### 2.2 Request/response shape
+
+Gotenberg insists on multipart/form-data for *every* conversion. Folio
+follows the same convention for all core routes — operators using
+Gotenberg client SDKs (`gotenberg-php`, `gotenberg-js-client`,
+`gotenberg-go-client`) can point at Folio with only a base-URL change for
+the parity routes. This is a deliberate compatibility choice, not an
+accident.
+
+---
+
+## 3. Conversion engines, feature by feature
+
+### 3.1 Chromium — PDF generation
+
+| Feature | Folio | Gotenberg | Notes |
+|-----------------------------------------|-------|-----------|-------|
+| Paper size (named + custom WxH) | ✅ | ✅ | parity |
+| Margins (per side, inches) | ✅ | ✅ | parity |
+| Landscape | ✅ | ✅ | parity |
+| Print background | ✅ | ✅ | parity |
+| Omit background (transparency) | ✅ | ✅ | parity |
+| Single-page mode | ✅ | ✅ | parity |
+| Scale (0.1–2.0) | ✅ | ✅ | parity |
+| Page ranges | ✅ | ✅ | parity |
+| Custom header/footer HTML w/ tokens | ✅ | ✅ | parity |
+| Prefer CSS page size | ✅ | ✅ | parity |
+| Tagged PDF / outline | partial | ✅ | Folio passes flags but limited testing |
+| Cookies (with sameSite) | ✅ | ✅ | parity |
+| Extra HTTP headers (scoped) | partial | ✅ | Folio: flat headers; Gotenberg: regex scope |
+| User-Agent override | ✅ | ✅ | parity |
+| Emulated media type | ✅ | ✅ | parity |
+| Emulated media features (color-scheme…) | ❌ | ✅ | **Folio missing** |
+
+### 3.2 Chromium — wait / failure conditions
+
+| Feature | Folio | Gotenberg |
+|--------------------------------------------------|-------|-----------|
+| `waitDelay` (fixed) | ✅ | ✅ |
+| `waitForExpression` / custom JS predicate | partial | ✅ |
+| `waitWindowStatus` | ❌ | ✅ |
+| `waitForSelector` | ❌ | ✅ |
+| `skipNetworkIdleEvent` | ❌ | ✅ |
+| `skipNetworkAlmostIdleEvent` | ❌ | ✅ |
+| `failOnHttpStatusCodes` | ❌ | ✅ |
+| `failOnResourceHttpStatusCodes` | ❌ | ✅ |
+| `ignoreResourceHttpStatusDomains` | ❌ | ✅ |
+| `failOnResourceLoadingFailed` | ❌ | ✅ |
+| `failOnConsoleExceptions` | ❌ | ✅ |
+
+This is the most concrete Chromium feature gap. Spec
+(archived spec) already exists; it just hasn't
+been implemented past the stub. **Recommendation:** prioritise.
+
+### 3.3 Chromium — Screenshots
+
+Both projects support PNG/JPEG/WebP, dimensions, JPEG quality, viewport
+clipping, optimize-for-speed. **Parity.** The only gap is that Folio's
+"capture beyond viewport" code path has fewer integration tests covered
+than Gotenberg's.
+
+### 3.4 Markdown route
+
+Both implementations are minimal. Both produce a wrapped HTML document and
+hand it to Chromium. Differences:
+
+- **Folio:** `pulldown_cmark` with `Options::all()` + a single embedded
+ `markdown.css`. No template injection point.
+- **Gotenberg:** `gomarkdown` + `bluemonday` (sanitised HTML). Requires
+ the user to supply a wrapper HTML file (named `index.html` in the
+ multipart) that pulls the rendered Markdown in via a documented
+ mechanism, so the user can inject CSS/fonts/JS.
+
+Each has a different opinion: Folio is "we own the template, give us
+markdown"; Gotenberg is "you own the template, give us markdown + a
+template."
+
+This comparison's companion document `docs/markdown-plus.md` proposes a
+**third route** that combines both philosophies plus front-matter, math,
+mermaid, syntax highlighting, includes, and named themes. That work is
+designed to ship alongside the existing route, not replace it.
+
+### 3.5 LibreOffice — input formats
+
+Both projects exercise LibreOffice's full ~100-format input matrix (DOC,
+DOCX, ODT, ODS, ODP, XLS, XLSX, PPT, PPTX, RTF, CSV, EPUB, etc.). The
+difference is in **export options**:
+
+| Export option | Folio | Gotenberg |
+|---------------------------------------------|-------|-----------|
+| Landscape | ✅ | ✅ |
+| Native page ranges | partial | ✅ |
+| Single-page mode (Calc/Sheet) | ✅ | ✅ |
+| Password-protected input documents | ❌ | ✅ |
+| Update indexes on conversion | ❌ | ✅ |
+| Export form fields | ❌ | ✅ |
+| Export bookmarks | partial | ✅ |
+| Export notes / placeholders | ❌ | ✅ |
+| Bookmarks → PDF destinations | ❌ | ✅ |
+| Image compression (lossless / JPEG quality) | ❌ | ✅ |
+| Image resolution reduction | ❌ | ✅ |
+| Viewer preferences (initial view, zoom…) | ❌ | ✅ |
+| Native LibreOffice watermark | ❌ | ✅ |
+| PDF/A-1b / 2b / 3b output | ✅ | ✅ |
+| PDF/UA output | ✅ | ✅ |
+
+Spec (archived spec) lists most of these as
+explicit TODOs.
+
+### 3.6 PDF engine ops
+
+Gotenberg's killer feature here is **per-operation engine selection with
+fallback chains**: `qpdf → pdfcpu → pdftk` for merge, etc. If qpdf
+chokes on a malformed PDF, pdfcpu retries transparently. Folio uses a
+single backend (`lopdf`, pure Rust) for *every* op, which is operationally
+simpler but means a malformed input has no recovery path other than
+"return an error and let the caller deal with it."
+
+This is the largest pure-feature gap. Three options for closing it:
+
+- **(A) Re-implement engine fallback in Rust** by shelling out to qpdf /
+ pdfcpu / pdftk binaries. Cheapest. Loses some of the "no external tools"
+ posture but Folio already shells out to `soffice` and `gs`, so the
+ posture is already mixed.
+- **(B) Stay single-backend and harden lopdf** — file upstream patches for
+ the malformed-input cases that arise. Highest engineering cost, slowest
+ return.
+- **(C) Punt** — say in the README that Folio is "well-formed PDF only"
+ and let users pre-validate. Honest, but caps the addressable workload.
+
+Spec (archived spec) exists and points at (A).
+
+---
+
+## 4. Async delivery — webhooks
+
+Gotenberg's webhook module is mature: middleware POSTs the produced file
+to a user-supplied URL with retry logic, allow/deny lists (literal and
+regex), private/public IP filtering for SSRF, configurable retry windows,
+sync vs async modes.
+
+Folio has the **shape** of this — `Webhook-Url` and friends parse,
+`crates/server/src/webhook/` exists, the worker runs — but the actual
+callback delivery path is marked TODO. Until that lands, an operator
+sending `Webhook-Url` headers will see a 202 and then... nothing.
+
+**Status:** spec (archived spec) is the source of truth; the
+gap is implementation, not design.
+
+---
+
+## 5. Batch API (Folio-only)
+
+Folio has a server-side batch surface that Gotenberg has no equivalent
+for: submit a JSON manifest of N jobs, get back a `batch_id`, poll for
+progress, download a ZIP when done. The endpoints exist; the worker runs;
+ZIP packaging and per-item-failure semantics are TODO.
+
+This is a real differentiator, not just parity-plus. Worth finishing.
+
+---
+
+## 6. Operator console (Folio-only)
+
+This is where Folio is unambiguously ahead.
+
+Gotenberg gives you `/health` (JSON) and `/prometheus/metrics`
+(Prometheus text). That is the entire operability surface. To get any
+actual visibility you wire it into Grafana yourself.
+
+Folio ships a Svelte SPA at `/_/` driven by Server-Sent Events that
+shows, live, in one screen:
+
+- RPS, p95 latency, error %, in-flight count
+- Per-route table (RPS, p50/p95/p99, error %, load %)
+- Engine status (Chromium / LibreOffice up/down + restart count)
+- Concurrency grid (active vs cap, with warn/crit thresholds)
+- Throughput strip (30-min windowed RPS + p95 with SLA overlay)
+- Activity strip (error % + queue depth)
+- Resources (CPU %, memory MB)
+- Active batches (progress + per-item state)
+- Last-20 request log + last-10 error log
+
+The recent commit history (last 30 commits, all dashboard-focused) shows
+this is the team's current focus and it is in active polish.
+
+This shifts the value proposition: Folio is not "Gotenberg in Rust", it
+is "Gotenberg-compatible PDF service that you can run without immediately
+needing a dashboards engineer."
+
+---
+
+## 7. Configuration / CLI flags
+
+Gotenberg has a wide and stable flag surface (api, webhook, pdfengines,
+prometheus, basic auth). Folio's flags cover the same axes but are
+narrower:
+
+| Knob | Folio | Gotenberg |
+|---------------------------------------------|-------|-----------|
+| API port / bind / TLS | port + bind ✅, TLS ❌ | ✅ |
+| Body limit (multipart) | ✅ | ✅ |
+| Per-request timeout | ✅ | ✅ |
+| Root path (reverse-proxy mount) | ❌ | ✅ |
+| Correlation ID header | ✅ | ✅ |
+| Basic-auth user/pass (env) | ✅ | ✅ |
+| Download allow/deny lists | partial | ✅ |
+| Download deny private/public IPs | partial | ✅ |
+| Download max retries | ✅ | ✅ |
+| Disable downloads entirely | ❌ | ✅ |
+| Enable debug route | ❌ | ✅ |
+| Webhook allow/deny + SSRF filters | partial | ✅ |
+| Webhook retry waits / counts / timeouts | partial | ✅ |
+| Per-op engine selection (merge/split/…) | ❌ | ✅ |
+| Disable specific PDF engine routes | ❌ | ✅ |
+| Prometheus namespace / collect interval | partial | ✅ |
+| Disable route telemetry | ✅ | ✅ |
+
+**Recommendation:** the gaps here are individually small; add them one
+by one as `--root-path`, `--api-disable-debug`, `--api-disable-download`,
+and SSRF flags. Spec (archived spec) already exists.
+
+---
+
+## 8. Auth & security posture
+
+| Concern | Folio | Gotenberg |
+|--------------------------------------------|-------|-----------|
+| HTTP Basic Auth | ✅ | ✅ |
+| Token / JWT auth | ❌ | ❌ |
+| Per-route authorisation | ❌ | ❌ |
+| TLS in-process | ❌ | ✅ |
+| `file://` rejected on URL routes | ✅ | ✅ |
+| SSRF: private IP block | partial | ✅ |
+| SSRF: public IP block | ❌ | ✅ |
+| Download URL allow/deny regex | ❌ | ✅ |
+| Webhook URL allow/deny regex | partial | ✅ |
+| Multipart body limit enforcement | ✅ | ✅ |
+| Memory-safe core | ✅ (Rust) | ❌ (Go GC) |
+
+Folio's Rust core is a real security advantage at the parser level;
+Gotenberg's mature SSRF/download/webhook filter stack is a real security
+advantage at the network edge. They are not the same thing and Folio
+should not pretend memory-safety substitutes for the network filters —
+both matter.
+
+---
+
+## 9. Observability
+
+| Surface | Folio | Gotenberg |
+|--------------------------------------|-------|-----------|
+| Structured logs (JSON / text) | ✅ | ✅ |
+| Request ID propagation | ✅ | ✅ |
+| Prometheus counters/histograms | ✅ | ✅ |
+| OpenTelemetry traces | ✅ (OTLP HTTP) | ✅ |
+| OpenTelemetry metrics | ✅ | ✅ |
+| Live operator UI | ✅ | ❌ |
+| SSE event stream | ✅ | ❌ |
+| Per-engine health endpoint detail | ✅ (per-engine) | ✅ |
+
+**Parity, with Folio ahead on the live UI.** No gaps to call out here.
+
+---
+
+## 10. Distribution surfaces
+
+| Surface | Folio | Gotenberg |
+|----------------------------------|-------|-----------|
+| HTTP server (Docker) | ✅ | ✅ |
+| HTTP server (raw binary) | ✅ | ❌ (officially Docker-only) |
+| CLI binary (`folio convert …`) | ✅ | ❌ |
+| Rust library (in-process) | ✅ | ❌ |
+| Python bindings | ❌ (placeholder) | ❌ |
+| Node.js bindings | ❌ (placeholder) | ❌ |
+| Cloud Run image | ✅ (`folio-cloudrun`) | ❌ |
+| AWS Lambda image | ✅ (`folio-lambda`) | ❌ |
+| Slim images (Chromium-only / LO-only) | ✅ | ❌ |
+
+Folio has done real work here that Gotenberg has explicitly said no to
+(Gotenberg's stance is that it is a Docker product; everything else is
+the user's problem). The *empty* Python/Node bindings undercut that
+narrative — the placeholder crates (`crates/py/`, `crates/js/`) imply a
+roadmap commitment that has no actual code. Either ship them or remove
+the placeholders; the worst state is "empty crate that suggests a
+feature."
+
+---
+
+## 11. Test coverage
+
+- **Folio:** ~43 unit tests passing across types, engine, pdfops, routes;
+ ~25 BDD scenarios ported from Gotenberg (runner partially complete);
+ 5 e2e smoke tests; Docker-based PDF/A validation via verapdf.
+ `TEST_STATUS.md` and `TEST_ISSUES.md` are surprisingly honest about
+ what is and isn't passing.
+- **Gotenberg:** mature integration test suite that has been running for
+ years; thousands of cumulative production deployments worth of
+ battle-testing.
+
+The maturity gap is real. Folio's BDD harness is the right move (re-using
+Gotenberg's scenarios is the cheapest path to credibility), it just needs
+to finish.
+
+---
+
+## 12. What Folio did well, with credit
+
+- **Library-first architecture.** Being usable as a Rust crate, a CLI,
+ and a server is a substantial superset of Gotenberg's positioning, and
+ was clearly an early decision rather than a retrofit (the engine crates
+ have no axum imports).
+- **Operator console.** The SSE-driven Svelte dashboard is a genuinely
+ better operator experience than Gotenberg's bare metrics endpoint.
+ This was the right thing to invest in last.
+- **Supervised engines with lazy-start / idle-shutdown.** Memory profile
+ on idle should be substantially better than Gotenberg's eager
+ process-pool model — relevant for serverless deploys (Cloud Run /
+ Lambda images exist for a reason).
+- **Atomic concurrency tracking** (commit `209a444`) over sampled
+ semaphore reads. Small fix, but it's the kind of correctness work that
+ shows the team has actually been driving the dashboard against real
+ load.
+- **Honest test status docs.** `TEST_STATUS.md` and `TEST_ISSUES.md`
+ exist and are not propaganda. Easy to underestimate how rare this is.
+
+## 13. What Folio did not do, deliberately
+
+- **No multi-engine fallback** for PDF ops. Single backend (`lopdf`)
+ keeps the dependency surface small. Defensible until you hit the first
+ malformed-input bug report, at which point the answer becomes "punt or
+ shell out." Decide before users force the decision.
+- **No batch-of-batches / DAG job system.** The batch API is a flat list
+ of jobs, not a workflow. This is the right call for a PDF service —
+ workflow tools belong elsewhere.
+- **No template engine for Markdown.** The basic Markdown route does not
+ let users inject Liquid/Handlebars/etc. The companion proposal
+ (`docs/markdown-plus.md`) preserves this stance: front-matter
+ substitution only, no full templating.
+- **No cross-request server-side state.** Includes resolve from the
+ upload only. This is a security posture, not laziness.
+
+## 14. What Folio did not do, but should
+
+In rough priority order (cheapest-impact-per-LOC first):
+
+1. **Finish webhook callback delivery** ((archived spec)). The
+ Async-202 path is half-built; finishing it unblocks Gotenberg client
+ compatibility.
+2. **Wire advanced Chromium wait conditions** (spec 36): `waitForSelector`,
+ `waitWindowStatus`, `failOn*` family. Each is a single CDP call.
+3. **Finish batch ZIP packaging + per-item failure semantics**
+ (spec 50-batch). The endpoints already exist; finishing them turns a
+ stub into a differentiator.
+4. **Add `embed` + finish `stamp`** routes. Last gaps in the
+ `/forms/pdfengines/*` matrix.
+5. **Implement `--root-path` and SSRF/download filter flags**
+ (spec 39). Small individual changes; collectively close the
+ security/operations gap.
+6. **Decide on multi-engine PDF ops** (spec 38). Either ship qpdf/pdfcpu
+ shellout or commit to "well-formed PDFs only" in the README. Current
+ middle ground is the worst of both.
+7. **Either ship the Python/Node bindings or remove the placeholder
+ crates.** Empty crates are a roadmap lie.
+8. **Fill in LibreOffice export filters** (spec 37). Long tail; do as
+ user demand surfaces, not preemptively.
+9. **Build Markdown+** (`docs/markdown-plus.md`). Net-new feature, not
+ Gotenberg parity, but uses the operator-console + observability
+ investment as a foundation.
+
+## 15. What Folio did not do, and arguably should not
+
+- **TLS in-process.** Use a reverse proxy. Adding TLS to the binary adds
+ cert rotation, OCSP stapling, ALPN — none of which Folio is positioned
+ to do better than nginx/Caddy/envoy. The current "not implemented"
+ status is correct; it should be made *explicit* in the README.
+- **OAuth / JWT / RBAC.** PDF services are not where you want to be doing
+ identity. Stay with Basic Auth + reverse-proxy auth headers; document
+ the pattern.
+- **A workflow / DAG engine on top of batch.** Out of scope. Forever.
+- **A web-UI document editor.** Folio's UI is an operator console, not an
+ end-user product. The line should stay there.
+
+---
+
+## 16. What we did vs what we did not — concise scorecard
+
+### Done
+- Six Chromium routes (HTML/URL/Markdown × convert+screenshot)
+- LibreOffice convert route + 100+ input formats
+- All standard PDF ops bar `embed` and full `stamp`
+- PDF/A and PDF/UA via Ghostscript
+- Bookmarks, metadata, encrypt
+- HTTP Basic Auth
+- Prometheus metrics + OpenTelemetry traces + structured logs
+- Operator console (Svelte + SSE) — distinct lead over Gotenberg
+- CLI with convert/merge/split/flatten/rotate/metadata
+- Multi-target Docker images (full / chromium-only / lo-only / cloudrun /
+ lambda)
+- Library usage as a Rust crate
+- BDD test harness (in progress)
+
+### Not done
+- Webhook callback delivery (scaffold only)
+- Batch ZIP output / per-item failure semantics (scaffold only)
+- `embed` route, full `stamp` route
+- Advanced Chromium wait/fail conditions (spec 36)
+- Long tail of LibreOffice export options (spec 37)
+- Multi-engine PDF op fallback (spec 38)
+- Several CLI flags (`--root-path`, full SSRF filters) (spec 39)
+- Python and Node.js bindings (empty placeholder crates)
+- Cookie/header-scope regex filtering on Chromium routes
+- Emulated media features (color-scheme, prefers-reduced-motion)
+- TLS in-process *(deliberately not done; document the choice)*
+
+### Should be added (new)
+- **Markdown+** — see `docs/markdown-plus.md`. Builds on existing
+ Chromium pipeline; uses existing observability stack; ships standalone
+ without blocking on webhook/batch/bindings.
+- **Stage-level histograms** for any multi-stage route (Markdown+ is the
+ obvious first user). Genuine new information, not just parity.
+- **Operator console "Markdown+" panel**, conditionally rendered when
+ traffic exists. Avoids polluting empty deployments.
+
+### Should *not* be added
+- TLS in-process
+- Identity/RBAC inside Folio
+- Workflow/DAG engine on top of batch
+- A document editor
+- A second Markdown route that is "just like the first but with an
+ option" — extension, not duplication
+
+---
+
+*End of comparison. The companion proposal in `docs/markdown-plus.md`
+implements the "should be added (new)" section's first item.*
diff --git a/crates/engine/Cargo.toml b/crates/engine/Cargo.toml
index 399103d..a55fb9e 100644
--- a/crates/engine/Cargo.toml
+++ b/crates/engine/Cargo.toml
@@ -8,14 +8,17 @@ description = "Folio core engine: ChromiumEngine, LibreOfficeEngine, PdfOperatio
[features]
default = ["chromium", "libreoffice"]
chromium = ["dep:chromiumoxide", "dep:futures-util", "dep:pulldown-cmark", "dep:urlencoding"]
-libreoffice = []
+libreoffice = ["dep:reqwest", "dep:base64"]
+chrome-fetch = ["chromium", "dep:reqwest", "dep:sha2", "dep:zip", "dep:flate2", "dep:tar", "dep:dirs", "dep:walkdir"]
[dependencies]
+base64 = { workspace = true, optional = true }
chromiumoxide = { workspace = true, optional = true }
futures-util = { workspace = true, optional = true }
humantime-serde = { workspace = true }
lopdf = { workspace = true }
pulldown-cmark = { workspace = true, optional = true }
+reqwest = { workspace = true, optional = true }
serde = { workspace = true }
serde_json = { workspace = true }
tempfile = { workspace = true }
@@ -30,6 +33,14 @@ image = { workspace = true }
# URL encoding for screenshot data URLs
urlencoding = { version = "2", optional = true }
+# Chrome auto-download (chrome-fetch feature)
+sha2 = { workspace = true, optional = true }
+zip = { workspace = true, optional = true }
+flate2 = { workspace = true, optional = true }
+tar = { workspace = true, optional = true }
+dirs = { workspace = true, optional = true }
+walkdir = { workspace = true, optional = true }
+
[dev-dependencies]
axum = { workspace = true }
proptest = { workspace = true }
diff --git a/crates/engine/src/chrome_fetch/cache.rs b/crates/engine/src/chrome_fetch/cache.rs
new file mode 100644
index 0000000..6107d6d
--- /dev/null
+++ b/crates/engine/src/chrome_fetch/cache.rs
@@ -0,0 +1,71 @@
+//! Platform cache directory for downloaded Chrome builds.
+
+use std::path::{Path, PathBuf};
+
+/// Default cache root for Folio's downloaded Chrome.
+///
+/// - macOS: `~/Library/Caches/folio/chromium`
+/// - Linux: `$XDG_CACHE_HOME/folio/chromium` (falls back to `~/.cache`)
+/// - Windows: `%LOCALAPPDATA%\folio\chromium`
+///
+/// Override via `FOLIO_CHROME_CACHE` env var; constructor argument wins
+/// over both.
+pub fn cache_dir() -> PathBuf {
+ if let Ok(env) = std::env::var("FOLIO_CHROME_CACHE") {
+ if !env.is_empty() {
+ return PathBuf::from(env);
+ }
+ }
+ let base = dirs::cache_dir().unwrap_or_else(|| PathBuf::from("."));
+ base.join("folio").join("chromium")
+}
+
+/// Returns `Some(path)` if a cached Chrome for `version` exists and the
+/// executable is present.
+pub fn cached_chrome(cache: &Path, version: &str) -> Option {
+ let exe = chrome_exe_path(&cache.join(version));
+ if exe.exists() { Some(exe) } else { None }
+}
+
+/// Path to the Chrome executable inside an extracted Chrome-for-Testing
+/// distribution rooted at `dist`.
+pub(crate) fn chrome_exe_path(dist: &Path) -> PathBuf {
+ #[cfg(all(target_os = "macos", target_arch = "aarch64"))]
+ {
+ dist.join("chrome-mac-arm64").join("Google Chrome for Testing.app")
+ .join("Contents/MacOS/Google Chrome for Testing")
+ }
+ #[cfg(all(target_os = "macos", target_arch = "x86_64"))]
+ {
+ dist.join("chrome-mac-x64").join("Google Chrome for Testing.app")
+ .join("Contents/MacOS/Google Chrome for Testing")
+ }
+ #[cfg(target_os = "linux")]
+ {
+ dist.join("chrome-linux64").join("chrome")
+ }
+ #[cfg(target_os = "windows")]
+ {
+ dist.join("chrome-win64").join("chrome.exe")
+ }
+}
+
+#[cfg(test)]
+mod tests {
+ use super::*;
+
+ #[test]
+ fn cache_dir_respects_env_override() {
+ // SAFETY: test mutates env in a non-overlapping way.
+ unsafe { std::env::set_var("FOLIO_CHROME_CACHE", "/tmp/folio-test-cache"); }
+ assert_eq!(cache_dir(), PathBuf::from("/tmp/folio-test-cache"));
+ // SAFETY: justified above.
+ unsafe { std::env::remove_var("FOLIO_CHROME_CACHE"); }
+ }
+
+ #[test]
+ fn cached_chrome_none_when_dir_missing() {
+ let tmp = tempfile::tempdir().unwrap();
+ assert!(cached_chrome(tmp.path(), "999.0.0.0").is_none());
+ }
+}
diff --git a/crates/engine/src/chrome_fetch/detect.rs b/crates/engine/src/chrome_fetch/detect.rs
new file mode 100644
index 0000000..125af26
--- /dev/null
+++ b/crates/engine/src/chrome_fetch/detect.rs
@@ -0,0 +1,109 @@
+//! Detect a usable system Chrome / Chromium executable.
+
+use std::path::PathBuf;
+
+/// Returns the first existing Chrome executable found via env vars,
+/// `$PATH`, and platform-default install paths. Returns `None` if none
+/// of the candidates resolve.
+pub fn detect_system_chrome() -> Option {
+ detect_with(
+ std::env::var("BROWSER_PATH").ok().as_deref(),
+ std::env::var("CHROME_PATH").ok().as_deref(),
+ &|name| which::which(name).ok(),
+ &|p: &std::path::Path| p.exists(),
+ )
+}
+
+pub(crate) fn detect_with(
+ browser_path_env: Option<&str>,
+ chrome_path_env: Option<&str>,
+ path_lookup: &dyn Fn(&str) -> Option,
+ exists: &dyn Fn(&std::path::Path) -> bool,
+) -> Option {
+ for env in [browser_path_env, chrome_path_env].into_iter().flatten() {
+ if !env.is_empty() {
+ let p = PathBuf::from(env);
+ if exists(&p) {
+ return Some(p);
+ }
+ }
+ }
+ for name in ["chromium-browser", "chromium", "google-chrome", "chrome"] {
+ if let Some(p) = path_lookup(name) {
+ return Some(p);
+ }
+ }
+ for candidate in platform_defaults() {
+ let p = PathBuf::from(candidate);
+ if exists(&p) {
+ return Some(p);
+ }
+ }
+ None
+}
+
+#[cfg(target_os = "macos")]
+fn platform_defaults() -> &'static [&'static str] {
+ &[
+ "/Applications/Google Chrome.app/Contents/MacOS/Google Chrome",
+ "/Applications/Chromium.app/Contents/MacOS/Chromium",
+ ]
+}
+
+#[cfg(target_os = "linux")]
+fn platform_defaults() -> &'static [&'static str] {
+ &[
+ "/usr/bin/google-chrome",
+ "/usr/bin/chromium",
+ "/usr/bin/chromium-browser",
+ "/snap/bin/chromium",
+ ]
+}
+
+#[cfg(target_os = "windows")]
+fn platform_defaults() -> &'static [&'static str] {
+ &[
+ r"C:\Program Files\Google\Chrome\Application\chrome.exe",
+ r"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe",
+ ]
+}
+
+#[cfg(test)]
+mod tests {
+ use super::*;
+ use std::path::Path;
+
+ #[test]
+ fn explicit_browser_path_wins_when_exists() {
+ let result = detect_with(
+ Some("/fake/chrome"),
+ None,
+ &|_| None,
+ &|p: &Path| p == Path::new("/fake/chrome"),
+ );
+ assert_eq!(result, Some(PathBuf::from("/fake/chrome")));
+ }
+
+ #[test]
+ fn falls_back_to_path_lookup() {
+ let result = detect_with(
+ None,
+ None,
+ &|name| if name == "chromium" { Some(PathBuf::from("/usr/bin/chromium")) } else { None },
+ &|_| false,
+ );
+ assert_eq!(result, Some(PathBuf::from("/usr/bin/chromium")));
+ }
+
+ #[test]
+ fn returns_none_when_nothing_found() {
+ let result = detect_with(None, None, &|_| None, &|_| false);
+ assert_eq!(result, None);
+ }
+
+ #[test]
+ fn empty_env_var_is_skipped() {
+ let result = detect_with(Some(""), None, &|_| None, &|_| false);
+ assert_eq!(result, None);
+ }
+}
diff --git a/crates/engine/src/chrome_fetch/download.rs b/crates/engine/src/chrome_fetch/download.rs
new file mode 100644
index 0000000..06bd28b
--- /dev/null
+++ b/crates/engine/src/chrome_fetch/download.rs
@@ -0,0 +1,200 @@
+//! Download a pinned Chrome-for-Testing build, verify, extract into the
+//! cache.
+//!
+//! Manifest format:
+//! https://github.com/GoogleChromeLabs/chrome-for-testing
+//!
+//! Per-version endpoint:
+//! `https://googlechromelabs.github.io/chrome-for-testing/.json`
+
+use std::path::{Path, PathBuf};
+
+use serde::Deserialize;
+use sha2::{Digest, Sha256};
+use thiserror::Error;
+use tokio::io::AsyncWriteExt;
+
+use super::cache::chrome_exe_path;
+
+/// Errors that can occur when fetching or preparing a Chrome-for-Testing binary.
+#[derive(Debug, Error)]
+pub enum ChromeFetchError {
+ /// System Chrome was not found and `auto_download` was disabled.
+ #[error("system Chrome not found and auto_download disabled")]
+ NotFoundAndDownloadDisabled,
+ /// The current platform is not supported by the Chrome-for-Testing manifest.
+ #[error("unsupported platform: {0}")]
+ UnsupportedPlatform(&'static str),
+ /// Fetching or parsing the per-version manifest failed.
+ #[error("manifest fetch failed: {0}")]
+ Manifest(String),
+ /// The manifest did not contain a download entry for this platform.
+ #[error("no download for platform '{0}' in manifest")]
+ NoPlatformInManifest(&'static str),
+ /// The HTTP download of the Chrome archive failed.
+ #[error("download failed: {0}")]
+ Download(String),
+ /// SHA-256 digest of the downloaded archive did not match the expected value.
+ #[error("checksum mismatch: expected {expected}, got {actual}")]
+ Checksum {
+ /// The expected hex digest from the manifest.
+ expected: String,
+ /// The actual hex digest computed from the downloaded file.
+ actual: String,
+ },
+ /// Extracting the zip archive failed.
+ #[error("extract failed: {0}")]
+ Extract(String),
+ /// An underlying I/O error.
+ #[error("io: {0}")]
+ Io(#[from] std::io::Error),
+}
+
+#[derive(Debug, Deserialize)]
+struct VersionManifest {
+ downloads: Downloads,
+}
+#[derive(Debug, Deserialize)]
+struct Downloads {
+ chrome: Vec,
+}
+#[derive(Debug, Deserialize)]
+struct DownloadEntry {
+ platform: String,
+ url: String,
+}
+
+#[cfg(all(target_os = "macos", target_arch = "aarch64"))]
+const PLATFORM: &str = "mac-arm64";
+#[cfg(all(target_os = "macos", target_arch = "x86_64"))]
+const PLATFORM: &str = "mac-x64";
+#[cfg(target_os = "linux")]
+const PLATFORM: &str = "linux64";
+#[cfg(target_os = "windows")]
+const PLATFORM: &str = "win64";
+
+/// Download Chrome `version` into `cache_root//`. Returns the
+/// path to the executable.
+///
+/// Atomicity: download to `cache_root/.partial/`, extract there,
+/// rename to `cache_root//` on success.
+pub async fn download_chrome(cache_root: &Path, version: &str) -> Result {
+ let manifest = fetch_manifest(version).await?;
+ let entry = manifest.downloads.chrome.into_iter()
+ .find(|e| e.platform == PLATFORM)
+ .ok_or(ChromeFetchError::NoPlatformInManifest(PLATFORM))?;
+
+ let dest = cache_root.join(version);
+ if dest.exists() {
+ return Ok(chrome_exe_path(&dest));
+ }
+ tokio::fs::create_dir_all(cache_root).await?;
+ let staging = cache_root.join(format!("{version}.partial"));
+ if staging.exists() {
+ tokio::fs::remove_dir_all(&staging).await?;
+ }
+ tokio::fs::create_dir_all(&staging).await?;
+
+ let archive = staging.join(archive_filename());
+ download_to_file(&entry.url, &archive).await?;
+ extract_archive(&archive, &staging)?;
+ tokio::fs::rename(&staging, &dest).await?;
+ Ok(chrome_exe_path(&dest))
+}
+
+async fn fetch_manifest(version: &str) -> Result {
+ let url = format!(
+ "https://googlechromelabs.github.io/chrome-for-testing/{version}.json"
+ );
+ let resp = reqwest::get(&url).await
+ .map_err(|e| ChromeFetchError::Manifest(e.to_string()))?;
+ if !resp.status().is_success() {
+ return Err(ChromeFetchError::Manifest(format!("HTTP {}", resp.status())));
+ }
+ let text = resp.text().await.map_err(|e| ChromeFetchError::Manifest(e.to_string()))?;
+ serde_json::from_str(&text).map_err(|e| ChromeFetchError::Manifest(e.to_string()))
+}
+
+async fn download_to_file(url: &str, dest: &Path) -> Result<(), ChromeFetchError> {
+ let resp = reqwest::get(url).await
+ .map_err(|e| ChromeFetchError::Download(e.to_string()))?;
+ if !resp.status().is_success() {
+ return Err(ChromeFetchError::Download(format!("HTTP {}", resp.status())));
+ }
+ let bytes = resp.bytes().await
+ .map_err(|e| ChromeFetchError::Download(e.to_string()))?;
+ let mut file = tokio::fs::File::create(dest).await?;
+ file.write_all(&bytes).await?;
+ file.flush().await?;
+ Ok(())
+}
+
+#[allow(dead_code)]
+fn verify_sha256(path: &Path, expected_hex: &str) -> Result<(), ChromeFetchError> {
+ let mut hasher = Sha256::new();
+ let mut file = std::fs::File::open(path)?;
+ std::io::copy(&mut file, &mut hasher)?;
+ let actual = hex_lower(&hasher.finalize());
+ if actual != expected_hex.to_ascii_lowercase() {
+ return Err(ChromeFetchError::Checksum { expected: expected_hex.into(), actual });
+ }
+ Ok(())
+}
+
+fn hex_lower(bytes: &[u8]) -> String {
+ let mut s = String::with_capacity(bytes.len() * 2);
+ for b in bytes {
+ s.push_str(&format!("{b:02x}"));
+ }
+ s
+}
+
+fn archive_filename() -> &'static str { "chrome.zip" }
+
+fn extract_archive(archive: &Path, into: &Path) -> Result<(), ChromeFetchError> {
+ let file = std::fs::File::open(archive)?;
+ let mut zip = zip::ZipArchive::new(file)
+ .map_err(|e| ChromeFetchError::Extract(e.to_string()))?;
+ zip.extract(into).map_err(|e| ChromeFetchError::Extract(e.to_string()))?;
+ #[cfg(unix)]
+ {
+ use std::os::unix::fs::PermissionsExt;
+ for entry in walkdir::WalkDir::new(into) {
+ let entry = entry.map_err(|e| ChromeFetchError::Extract(e.to_string()))?;
+ if entry.file_type().is_file()
+ && entry.file_name().to_string_lossy().contains("chrome")
+ {
+ let mut perm = entry.metadata()
+ .map_err(|e| ChromeFetchError::Extract(e.to_string()))?
+ .permissions();
+ perm.set_mode(0o755);
+ let _ = std::fs::set_permissions(entry.path(), perm);
+ }
+ }
+ }
+ Ok(())
+}
+
+#[cfg(test)]
+mod tests {
+ use super::*;
+
+ #[test]
+ fn hex_lower_pads_zeros() {
+ assert_eq!(hex_lower(&[0x0a, 0xff, 0x00]), "0aff00");
+ }
+
+ #[test]
+ fn manifest_deserializes() {
+ let json = r#"{
+ "downloads": {
+ "chrome": [
+ {"platform": "linux64", "url": "https://example.com/chrome.zip"},
+ {"platform": "mac-arm64", "url": "https://example.com/mac.zip"}
+ ]
+ }
+ }"#;
+ let m: VersionManifest = serde_json::from_str(json).unwrap();
+ assert_eq!(m.downloads.chrome.len(), 2);
+ }
+}
diff --git a/crates/engine/src/chrome_fetch/mod.rs b/crates/engine/src/chrome_fetch/mod.rs
new file mode 100644
index 0000000..1b86da9
--- /dev/null
+++ b/crates/engine/src/chrome_fetch/mod.rs
@@ -0,0 +1,60 @@
+//! Detect and download Chrome / Chromium for embedded use.
+//!
+//! Bindings (`crates/py`, `crates/js`) call [`ensure_chrome`] which
+//! returns a path to a usable Chrome executable, downloading a pinned
+//! Chrome-for-Testing build into a platform cache directory if no system
+//! Chrome is available.
+//!
+//! See `docs/superpowers/specs/2026-05-01-bindings-design.md` §
+//! "Chrome auto-download" for the contract.
+
+#![cfg(feature = "chrome-fetch")]
+
+mod detect;
+mod download;
+mod cache;
+
+pub use detect::detect_system_chrome;
+pub use download::{download_chrome, ChromeFetchError};
+pub use cache::{cache_dir, cached_chrome};
+
+use std::path::PathBuf;
+
+/// Pinned Chrome-for-Testing version. Bumped per Folio release.
+/// Single source of truth: `bindings/CHROME_VERSION` mirrors this string.
+pub const CHROME_VERSION: &str = include_str!("../../../../bindings/CHROME_VERSION");
+
+/// Options controlling [`ensure_chrome`].
+#[derive(Debug, Clone)]
+pub struct EnsureOptions {
+ /// Explicit path to a Chrome executable; skips all detection if set.
+ pub explicit: Option,
+ /// Override the platform cache directory used for downloaded binaries.
+ pub cache_dir: Option,
+ /// When `true`, download Chrome automatically if no system Chrome is found.
+ pub auto_download: bool,
+}
+
+impl Default for EnsureOptions {
+ fn default() -> Self {
+ Self { explicit: None, cache_dir: None, auto_download: true }
+ }
+}
+
+/// Returns a path to a usable Chrome.
+pub async fn ensure_chrome(opts: &EnsureOptions) -> Result {
+ if let Some(p) = &opts.explicit {
+ return Ok(p.clone());
+ }
+ if let Some(p) = detect_system_chrome() {
+ return Ok(p);
+ }
+ let cache = opts.cache_dir.clone().unwrap_or_else(cache_dir);
+ if let Some(p) = cached_chrome(&cache, CHROME_VERSION.trim()) {
+ return Ok(p);
+ }
+ if !opts.auto_download {
+ return Err(ChromeFetchError::NotFoundAndDownloadDisabled);
+ }
+ download_chrome(&cache, CHROME_VERSION.trim()).await
+}
diff --git a/crates/engine/src/chromium/launch.rs b/crates/engine/src/chromium/launch.rs
index c952797..8337707 100644
--- a/crates/engine/src/chromium/launch.rs
+++ b/crates/engine/src/chromium/launch.rs
@@ -118,7 +118,18 @@ pub(crate) async fn launch_with(config: BrowserConfig) -> EngineResult EngineResult EngineResult EngineResult {
let mut builder = CxBrowserConfig::builder()
.chrome_executable(executable)
- .request_timeout(config.timeout);
+ .request_timeout(config.timeout)
+ .user_data_dir(user_data_dir);
if !config.headless {
builder = builder.with_head();
diff --git a/crates/engine/src/chromium/mod.rs b/crates/engine/src/chromium/mod.rs
index bae94a8..e70dfbf 100644
--- a/crates/engine/src/chromium/mod.rs
+++ b/crates/engine/src/chromium/mod.rs
@@ -74,6 +74,12 @@ pub(crate) struct Inner {
/// OS process ID of the Chrome child process; used for best-effort
/// synchronous kill in [`Inner::Drop`] when shutdown was skipped.
pub(crate) chrome_pid: AtomicU32,
+ /// Per-engine user-data-dir. Owned so the directory (and its
+ /// SingletonLock) is removed when the engine is dropped — concurrent
+ /// or rapid sequential launches no longer collide on the chromiumoxide
+ /// default `/tmp/chromiumoxide-runner`.
+ #[allow(dead_code)]
+ pub(crate) user_data_dir: Option,
}
/// Per-render context describing user-agent, headers, cookies, and
@@ -101,6 +107,17 @@ pub struct RequestContext {
pub fail_on_console_exceptions: bool,
/// If true, fail the render if any resource fails to load (network error).
pub fail_on_resource_loading_failed: bool,
+ /// If true, skip the engine's `networkIdle` race during navigation —
+ /// proceed once `load` fires. Mirrors Gotenberg's
+ /// `skipNetworkIdleEvent` / `skipNetworkAlmostIdleEvent` flags
+ /// (Chrome does not distinguish the two via CDP, so a single bool
+ /// covers both).
+ pub skip_network_idle: bool,
+ /// Resource URLs whose host contains any of these substrings are
+ /// exempt from [`Self::fail_on_resource_status`] checks. Match is
+ /// case-insensitive substring on the URL host. Empty (the default)
+ /// means no domains are ignored.
+ pub ignore_resource_status_domains: Vec,
}
/// A single cookie installed on the page before a render.
@@ -403,6 +420,7 @@ impl ChromiumEngine {
handler_task: JoinHandle<()>,
config: BrowserConfig,
chrome_pid: Option,
+ user_data_dir: Option,
) -> Self {
Self {
inner: Arc::new(Inner {
@@ -411,6 +429,7 @@ impl ChromiumEngine {
handler_task: std::sync::Mutex::new(Some(handler_task)),
config,
chrome_pid: AtomicU32::new(chrome_pid.unwrap_or(0)),
+ user_data_dir,
}),
}
}
@@ -453,6 +472,7 @@ mod assertions {
assert!(ctx.fail_on_resource_status.is_empty());
assert!(!ctx.fail_on_console_exceptions);
assert!(!ctx.fail_on_resource_loading_failed);
+ assert!(!ctx.skip_network_idle);
}
#[test]
diff --git a/crates/engine/src/chromium/render.rs b/crates/engine/src/chromium/render.rs
index 3f82a26..d2c50c5 100644
--- a/crates/engine/src/chromium/render.rs
+++ b/crates/engine/src/chromium/render.rs
@@ -143,7 +143,14 @@ async fn render_url_on(
let resource_status = if request.fail_on_resource_status.is_empty() {
None
} else {
- Some(spawn_resource_status_capture(page, &request.fail_on_resource_status).await?)
+ Some(
+ spawn_resource_status_capture(
+ page,
+ &request.fail_on_resource_status,
+ &request.ignore_resource_status_domains,
+ )
+ .await?,
+ )
};
let console_exceptions = if request.fail_on_console_exceptions {
@@ -160,7 +167,12 @@ async fn render_url_on(
// Navigate with lifecycle event waits.
debug!("render_url_on: navigating to {}" , url);
- navigate_with_lifecycle(page, url, engine.inner().config.network_idle_timeout)
+ let network_idle_timeout = if request.skip_network_idle {
+ None
+ } else {
+ engine.inner().config.network_idle_timeout
+ };
+ navigate_with_lifecycle(page, url, network_idle_timeout)
.await
.map_err(|e| navigation_error(url, e))?;
debug!("render_url_on: navigation complete");
@@ -544,12 +556,14 @@ async fn spawn_console_exception_capture(
async fn spawn_resource_status_capture(
page: &Page,
fail_statuses: &[u16],
+ ignore_domains: &[String],
) -> EngineResult<(Arc>>, JoinHandle<()>)> {
let mut events = page
.event_listener::()
.await
.map_err(|e| EngineError::Cdp(e.to_string()))?;
let fail_set: HashSet = fail_statuses.iter().copied().collect();
+ let ignore_lower: Vec = ignore_domains.iter().map(|d| d.to_lowercase()).collect();
let errors: Arc>> = Arc::new(Mutex::new(Vec::new()));
let writer = errors.clone();
let task = tokio::spawn(async move {
@@ -557,7 +571,9 @@ async fn spawn_resource_status_capture(
// Only check resources, not main document.
if !matches!(ev.r#type, ResourceType::Document) {
let status = ev.response.status as u16;
- if fail_set.contains(&status) {
+ if fail_set.contains(&status)
+ && !url_host_matches_any(&ev.response.url, &ignore_lower)
+ {
let msg = format!("{}: {}", ev.response.url, status);
if let Ok(mut g) = writer.lock() {
g.push(msg);
@@ -637,3 +653,78 @@ async fn wait_lifecycle_event(
debug!("wait_lifecycle_event: stream ended without {}", event_name);
Ok(())
}
+
+/// Return true if the URL's host contains any of the given lowercase
+/// substrings. URLs that fail to parse never match — they are not
+/// silently ignored from the fail-on-resource-status check.
+fn url_host_matches_any(url: &str, ignore_lower: &[String]) -> bool {
+ if ignore_lower.is_empty() {
+ return false;
+ }
+ // Cheap host extraction without pulling in the `url` crate: take the
+ // segment between `://` and the next `/`, `?`, or `#`. Strip
+ // `userinfo@` and `:port`.
+ let after_scheme = match url.find("://") {
+ Some(i) => &url[i + 3..],
+ None => return false,
+ };
+ let host_with_userinfo = after_scheme
+ .split(|c: char| c == '/' || c == '?' || c == '#')
+ .next()
+ .unwrap_or("");
+ let host_with_port = match host_with_userinfo.rfind('@') {
+ Some(i) => &host_with_userinfo[i + 1..],
+ None => host_with_userinfo,
+ };
+ let host = match host_with_port.rfind(':') {
+ Some(i) => &host_with_port[..i],
+ None => host_with_port,
+ };
+ let host_lower = host.to_lowercase();
+ ignore_lower.iter().any(|d| host_lower.contains(d))
+}
+
+#[cfg(test)]
+mod tests {
+ use super::url_host_matches_any;
+
+ #[test]
+ fn host_match_substring_case_insensitive() {
+ let ignore = vec!["googleapis.com".to_string()];
+ assert!(url_host_matches_any(
+ "https://fonts.googleapis.com/css?family=Inter",
+ &ignore
+ ));
+ assert!(url_host_matches_any(
+ "HTTPS://Fonts.GoogleAPIS.com/x",
+ &ignore
+ ));
+ }
+
+ #[test]
+ fn host_no_match_when_outside_host() {
+ // The substring lives in the path, not the host — must NOT match.
+ let ignore = vec!["googleapis.com".to_string()];
+ assert!(!url_host_matches_any(
+ "https://example.com/path/googleapis.com/x",
+ &ignore
+ ));
+ }
+
+ #[test]
+ fn host_with_port_strips_correctly() {
+ let ignore = vec!["example.com".to_string()];
+ assert!(url_host_matches_any("http://example.com:8080/x", &ignore));
+ }
+
+ #[test]
+ fn empty_ignore_list_never_matches() {
+ assert!(!url_host_matches_any("https://example.com/", &[]));
+ }
+
+ #[test]
+ fn malformed_url_never_matches() {
+ let ignore = vec!["example.com".to_string()];
+ assert!(!url_host_matches_any("not-a-url", &ignore));
+ }
+}
diff --git a/crates/engine/src/lib.rs b/crates/engine/src/lib.rs
index 04364db..33cd8b1 100644
--- a/crates/engine/src/lib.rs
+++ b/crates/engine/src/lib.rs
@@ -16,6 +16,9 @@ pub mod chromium;
#[cfg(feature = "libreoffice")]
pub mod libreoffice;
+#[cfg(feature = "chrome-fetch")]
+pub mod chrome_fetch;
+
pub use bookmarks::{Bookmark, read_bookmarks, write_bookmarks, flatten_bookmarks};
pub use encrypt::{EncryptionAlgorithm, Permissions, encrypt_pdf, decrypt_pdf, is_encrypted, qpdf_available as encrypt_qpdf_available};
pub use pdfa::{PdfAProfile, convert_to_pdfa, ghostscript_available, qpdf_available};
diff --git a/crates/engine/src/libreoffice/convert.rs b/crates/engine/src/libreoffice/convert.rs
index f950fcd..dafa888 100644
--- a/crates/engine/src/libreoffice/convert.rs
+++ b/crates/engine/src/libreoffice/convert.rs
@@ -1,164 +1,385 @@
-//! Single-file `soffice --convert-to` invocation with isolated `UserInstallation`.
+//! XML-RPC conversion via a running unoserver process.
+//!
+//! unoserver 2.x exposes a `convert()` method over XML-RPC at its HTTP port.
+//! This module builds the minimal request, sends it, and decodes the response.
-use std::ffi::OsString;
-use std::path::{Path, PathBuf};
+use std::path::Path;
use std::time::Duration;
+use base64::Engine as _;
+use base64::engine::general_purpose::STANDARD as B64;
+
use crate::types::{EngineError, EngineResult};
use super::OfficeOptions;
use super::filter::for_extension;
-/// Run `soffice` once for `input`, returning the produced PDF bytes.
+/// Send `input` to unoserver for PDF conversion and return the PDF bytes.
///
-/// Caller is responsible for input-existence checks, validation, and
-/// concurrency limits — those live on [`super::LibreOfficeEngine`].
+/// `client` must be the shared `reqwest::Client` from `LibreOfficeEngine::Inner`.
+/// `port` is the localhost port unoserver is listening on.
pub(super) async fn run_convert(
- exe: &Path,
+ client: &reqwest::Client,
+ port: u16,
timeout: Duration,
input: &Path,
opts: &OfficeOptions,
) -> EngineResult> {
- // Per-call tempdir → UserInstallation directory + outdir. Drop cleans up.
- let tmp = tempfile::tempdir()?;
- let user_dir = tmp.path().join("uipfx");
- std::fs::create_dir_all(&user_dir)?;
- let outdir = tmp.path().join("out");
- std::fs::create_dir_all(&outdir)?;
-
- let convert_to = build_convert_to(input, opts);
- let user_url = path_to_file_url(&user_dir);
-
- let mut cmd = tokio::process::Command::new(exe);
- cmd.arg("--headless")
- .arg("--norestore")
- .arg("--nologo")
- .arg("--nodefault")
- .arg("--nofirststartwizard")
- .arg("--convert-to")
- .arg(&convert_to)
- .arg("--outdir")
- .arg(&outdir)
- .arg(format!("-env:UserInstallation={user_url}"))
- .arg(input)
- .kill_on_drop(true)
- .stdin(std::process::Stdio::null());
-
- let output = match tokio::time::timeout(timeout, cmd.output()).await {
- Err(_) => return Err(EngineError::Timeout(timeout)),
- Ok(Err(e)) => {
- return Err(EngineError::Internal(format!("soffice spawn failed: {e}")));
- }
- Ok(Ok(o)) => o,
- };
+ let file_bytes = tokio::fs::read(input).await.map_err(EngineError::Io)?;
+ let indata_b64 = B64.encode(&file_bytes);
- if !output.status.success() {
- let stderr = String::from_utf8_lossy(&output.stderr);
- let stdout = String::from_utf8_lossy(&output.stdout);
- let code = output
- .status
- .code()
- .map(|c| c.to_string())
- .unwrap_or_else(|| "signal".into());
- return Err(EngineError::Internal(format!(
- "soffice exit {code}: {}",
- pick_message(&stderr, &stdout)
- )));
- }
+ let ext = input
+ .extension()
+ .and_then(|s| s.to_str())
+ .unwrap_or_default();
+ let lo_filter = for_extension(ext);
+ // for_extension returns the soffice CLI format ("pdf:writer_pdf_Export").
+ // unoserver's convert() takes only the bare LO filter name ("writer_pdf_Export").
+ let filtername = lo_filter.split_once(':').map(|(_, name)| name);
+
+ let body = build_xmlrpc_request(&indata_b64, filtername, &opts.filter_options());
- // soffice writes .pdf into outdir.
- let stem = input
- .file_stem()
- .ok_or_else(|| EngineError::Internal("input path has no file stem".into()))?;
- let mut pdf_path: PathBuf = outdir.join(stem);
- pdf_path.set_extension("pdf");
+ let url = format!("http://127.0.0.1:{port}/");
- let bytes = std::fs::read(&pdf_path).map_err(|e| match e.kind() {
- std::io::ErrorKind::NotFound => {
- EngineError::Internal(format!("soffice produced no PDF at {}", pdf_path.display()))
+ let result = tokio::time::timeout(timeout, async {
+ let resp = client
+ .post(&url)
+ .header("Content-Type", "text/xml")
+ .body(body)
+ .send()
+ .await
+ .map_err(|e| EngineError::Internal(format!("unoserver request: {e}")))?;
+
+ let status = resp.status();
+ let text = resp
+ .text()
+ .await
+ .map_err(|e| EngineError::Internal(format!("unoserver read body: {e}")))?;
+
+ // unoserver returns 200 even for XML-RPC faults, so parse the body.
+ if !status.is_success() {
+ return Err(EngineError::Internal(format!(
+ "unoserver HTTP {status}: {text}"
+ )));
}
- _ => EngineError::Io(e),
- })?;
- drop(tmp); // Explicit cleanup point; Drop would do it anyway.
- Ok(bytes)
+ parse_xmlrpc_response(&text)
+ .map_err(|e| EngineError::Internal(format!("unoserver fault: {e}")))
+ })
+ .await
+ .map_err(|_| EngineError::Timeout(timeout))??;
+
+ Ok(result)
}
-fn build_convert_to(input: &Path, opts: &OfficeOptions) -> OsString {
- let ext = input
- .extension()
- .and_then(|s| s.to_str())
- .unwrap_or_default();
- let base = for_extension(ext);
- match opts.filter_blob() {
- Some(blob) => format!("{base}:{blob}").into(),
- None => OsString::from(base),
- }
+// ── XML-RPC helpers ──────────────────────────────────────────────────────────
+
+fn build_xmlrpc_request(
+ indata_b64: &str,
+ filtername: Option<&str>,
+ filteroptions: &[String],
+) -> String {
+ let filter_param = match filtername {
+ Some(f) => format!(
+ "{}",
+ xml_escape(f)
+ ),
+ None => "".to_string(),
+ };
+ // filter_options must be an array (even empty); unoserver iterates over
+ // it and parses each element as `Name=Value`.
+ let items: String = filteroptions
+ .iter()
+ .map(|s| format!("{}", xml_escape(s)))
+ .collect();
+ let filteroptions_param =
+ format!("{items}");
+ // convert_to must be "pdf" when outpath is nil, otherwise unoserver
+ // cannot determine the output format and raises a TypeError.
+ format!(
+ "\n\
+ \n\
+ convert\n\
+ \n\
+ \n\
+ {indata_b64}\n\
+ \n\
+ pdf\n\
+ {filter_param}\n\
+ {filteroptions_param}\n\
+ 0\n\
+ \n\
+ "
+ )
}
-/// Encode a filesystem path as a `file://` URL suitable for the
-/// `-env:UserInstallation=...` argument. Best-effort lossy on non-UTF-8
-/// paths (LibreOffice itself does not accept non-UTF-8 here).
-fn path_to_file_url(p: &Path) -> String {
- let s = p.to_string_lossy();
- if cfg!(windows) {
- let s = s.replace('\\', "/");
- format!("file:///{s}")
- } else {
- format!("file://{s}")
+fn parse_xmlrpc_response(body: &str) -> Result, String> {
+ if body.contains("") {
+ let msg = extract_between(body, "", "").unwrap_or("unknown fault");
+ return Err(msg.to_string());
}
+ let b64 = extract_between(body, "", "")
+ .ok_or_else(|| format!("no element in response: {body}"))?;
+ // Python's base64 module wraps encoded output at 76 chars with newlines.
+ // Strip all whitespace before decoding so embedded newlines don't break the decoder.
+ let b64_clean: String = b64.chars().filter(|c| !c.is_ascii_whitespace()).collect();
+ B64.decode(b64_clean.as_bytes())
+ .map_err(|e| format!("base64 decode failed: {e}"))
+}
+
+fn extract_between<'a>(haystack: &'a str, open: &str, close: &str) -> Option<&'a str> {
+ let start = haystack.find(open)? + open.len();
+ let end = haystack[start..].find(close)? + start;
+ Some(&haystack[start..end])
}
-fn pick_message<'a>(stderr: &'a str, stdout: &'a str) -> &'a str {
- let s = stderr.trim();
- if s.is_empty() { stdout.trim() } else { s }
+fn xml_escape(s: &str) -> String {
+ s.replace('&', "&")
+ .replace('<', "<")
+ .replace('>', ">")
+ .replace('"', """)
+ .replace('\'', "'")
}
+// ── Tests ────────────────────────────────────────────────────────────────────
+
#[cfg(test)]
mod tests {
use super::*;
- use crate::types::PageRanges;
+ use axum::body::Body;
+ use axum::http::StatusCode;
+ use axum::response::Response;
+ use axum::routing::post;
+ use axum::Router;
+ use tempfile::Builder;
- #[test]
- fn build_convert_to_no_blob_for_default() {
- let p = PathBuf::from("/tmp/sample.docx");
- let out = build_convert_to(&p, &OfficeOptions::default());
- assert_eq!(out, OsString::from("pdf:writer_pdf_Export"));
+ fn xmlrpc_ok_response(pdf: &[u8]) -> String {
+ format!(
+ "\n\
+ \n\
+ \n\
+ {}\n\
+ \n\
+ ",
+ B64.encode(pdf)
+ )
+ }
+
+ fn xmlrpc_fault_response(msg: &str) -> String {
+ format!(
+ "\n\
+ \n\
+ \n\
+ faultCode1\n\
+ faultString{msg}\n\
+ \n\
+ "
+ )
+ }
+
+ async fn start_mock_unoserver(
+ handler: impl Fn(String) -> Response + Send + Sync + Clone + 'static,
+ ) -> u16 {
+ let app = Router::new().route(
+ "/",
+ post(move |body: String| {
+ let h = handler.clone();
+ async move { h(body) }
+ }),
+ );
+ let listener = tokio::net::TcpListener::bind("127.0.0.1:0").await.unwrap();
+ let port = listener.local_addr().unwrap().port();
+ tokio::spawn(async move {
+ axum::serve(listener, app).await.unwrap();
+ });
+ port
+ }
+
+ fn fake_docx() -> tempfile::NamedTempFile {
+ let f = Builder::new().suffix(".docx").tempfile().unwrap();
+ std::fs::write(f.path(), b"PK fake docx content").unwrap();
+ f
+ }
+
+ #[tokio::test]
+ async fn run_convert_returns_pdf_bytes_on_success() {
+ let port = start_mock_unoserver(|_body| {
+ Response::builder()
+ .status(StatusCode::OK)
+ .header("Content-Type", "text/xml")
+ .body(Body::from(xmlrpc_ok_response(b"%PDF-1.4 fake")))
+ .unwrap()
+ })
+ .await;
+
+ let tmp = fake_docx();
+ let client = reqwest::Client::new();
+ let result = run_convert(
+ &client,
+ port,
+ Duration::from_secs(5),
+ tmp.path(),
+ &OfficeOptions::default(),
+ )
+ .await;
+ assert!(result.is_ok(), "{result:?}");
+ assert_eq!(result.unwrap(), b"%PDF-1.4 fake");
+ }
+
+ #[tokio::test]
+ async fn run_convert_maps_xmlrpc_fault_to_engine_error() {
+ let port = start_mock_unoserver(|_body| {
+ Response::builder()
+ .status(StatusCode::OK)
+ .header("Content-Type", "text/xml")
+ .body(Body::from(xmlrpc_fault_response("unsupported format")))
+ .unwrap()
+ })
+ .await;
+
+ let tmp = fake_docx();
+ let client = reqwest::Client::new();
+ let result = run_convert(
+ &client,
+ port,
+ Duration::from_secs(5),
+ tmp.path(),
+ &OfficeOptions::default(),
+ )
+ .await;
+ assert!(matches!(result, Err(EngineError::Internal(_))), "{result:?}");
+ let msg = result.unwrap_err().to_string();
+ assert!(msg.contains("unsupported format"), "{msg}");
+ }
+
+ #[tokio::test]
+ async fn run_convert_returns_error_when_nothing_listening() {
+ let client = reqwest::Client::new();
+ let tmp = fake_docx();
+ // Port 19877 — nothing is listening here.
+ let result =
+ run_convert(&client, 19877, Duration::from_millis(200), tmp.path(), &OfficeOptions::default()).await;
+ assert!(result.is_err(), "expected error when nothing listening");
+ }
+
+ #[tokio::test]
+ async fn run_convert_sends_correct_filtername_for_docx() {
+ use std::sync::{Arc, Mutex};
+ let captured: Arc>> = Arc::new(Mutex::new(None));
+ let cap2 = Arc::clone(&captured);
+
+ let port = start_mock_unoserver(move |body| {
+ // The XML has two params: first is convert_to="pdf",
+ // second (after "pdf") is the filtername. Extract the second one.
+ let after_pdf = body
+ .find("pdf")
+ .and_then(|pos| body.get(pos + "pdf".len()..));
+ if let Some(rest) = after_pdf {
+ if let Some(v) = extract_between(rest, "", "") {
+ *cap2.lock().unwrap() = Some(v.to_string());
+ }
+ }
+ Response::builder()
+ .status(StatusCode::OK)
+ .header("Content-Type", "text/xml")
+ .body(Body::from(xmlrpc_ok_response(b"%PDF-1.4")))
+ .unwrap()
+ })
+ .await;
+
+ let tmp = Builder::new().suffix(".docx").tempfile().unwrap();
+ std::fs::write(tmp.path(), b"PK fake docx").unwrap();
+ let client = reqwest::Client::new();
+ let result = run_convert(
+ &client,
+ port,
+ Duration::from_secs(5),
+ tmp.path(),
+ &OfficeOptions::default(),
+ )
+ .await;
+ assert!(result.is_ok(), "{result:?}");
+
+ let name = captured.lock().unwrap().clone();
+ assert_eq!(
+ name.as_deref(),
+ Some("writer_pdf_Export"),
+ "expected 'writer_pdf_Export', got: {name:?}"
+ );
+ }
+
+ #[tokio::test]
+ async fn run_convert_omits_filtername_for_unknown_extension() {
+ use std::sync::{Arc, Mutex};
+ let saw_filter: Arc> = Arc::new(Mutex::new(false));
+ let saw2 = Arc::clone(&saw_filter);
+
+ let port = start_mock_unoserver(move |body| {
+ // The request always has pdf for convert_to.
+ // If there's an additional after "pdf", a filtername was sent.
+ let after_pdf = body
+ .find("pdf")
+ .and_then(|pos| body.get(pos + "pdf".len()..));
+ if after_pdf.map_or(false, |rest| rest.contains("")) {
+ *saw2.lock().unwrap() = true;
+ }
+ Response::builder()
+ .status(StatusCode::OK)
+ .header("Content-Type", "text/xml")
+ .body(Body::from(xmlrpc_ok_response(b"%PDF-1.4")))
+ .unwrap()
+ })
+ .await;
+
+ // ".zzz" is an unknown extension — for_extension returns "pdf" (no colon)
+ let tmp = Builder::new().suffix(".zzz").tempfile().unwrap();
+ std::fs::write(tmp.path(), b"unknown content").unwrap();
+
+ let client = reqwest::Client::new();
+ let result = run_convert(
+ &client,
+ port,
+ Duration::from_secs(5),
+ tmp.path(),
+ &OfficeOptions::default(),
+ )
+ .await;
+ assert!(result.is_ok(), "{result:?}");
+ assert!(
+ !*saw_filter.lock().unwrap(),
+ "filtername should not be sent for unknown extensions"
+ );
}
#[test]
- fn build_convert_to_appends_blob_when_options_set() {
- let p = PathBuf::from("/tmp/sample.docx");
- let opts = OfficeOptions {
- page_ranges: Some(PageRanges::parse("1-3").expect("parse")),
- ..Default::default()
- };
- let out = build_convert_to(&p, &opts);
- let s = out.into_string().expect("utf8");
- assert!(s.starts_with("pdf:writer_pdf_Export:"), "got {s}");
- assert!(s.contains("\"PageRange\""), "got {s}");
- assert!(s.contains("\"1-3\""), "got {s}");
+ fn build_xmlrpc_request_contains_filtername() {
+ let req = build_xmlrpc_request("DATA==", Some("writer_pdf_Export"), &[]);
+ assert!(req.contains("writer_pdf_Export"), "{req}");
+ assert!(req.contains("DATA=="), "{req}");
}
#[test]
- fn build_convert_to_unknown_ext_uses_pdf_fallback() {
- let p = PathBuf::from("/tmp/sample.weird");
- let out = build_convert_to(&p, &OfficeOptions::default());
- assert_eq!(out, OsString::from("pdf"));
+ fn build_xmlrpc_request_without_filtername_uses_nil() {
+ let req = build_xmlrpc_request("DATA==", None, &[]);
+ // Should contain exactly one element: the convert_to="pdf".
+ // No extra for filtername.
+ let count = req.matches("").count();
+ assert_eq!(count, 1, "expected only convert_to string, got {count}: {req}");
+ assert!(req.contains("pdf"), "{req}");
}
#[test]
- fn path_to_file_url_unix_style() {
- if cfg!(not(windows)) {
- let url = path_to_file_url(Path::new("/tmp/foo bar"));
- assert_eq!(url, "file:///tmp/foo bar");
- }
+ fn parse_xmlrpc_response_decodes_pdf() {
+ let body = xmlrpc_ok_response(b"%PDF-1.4 test");
+ let result = parse_xmlrpc_response(&body).unwrap();
+ assert_eq!(result, b"%PDF-1.4 test");
}
#[test]
- fn pick_message_prefers_stderr_when_present() {
- assert_eq!(pick_message("err", "out"), "err");
- assert_eq!(pick_message(" ", "out"), "out");
- assert_eq!(pick_message("", ""), "");
+ fn parse_xmlrpc_response_returns_err_on_fault() {
+ let body = xmlrpc_fault_response("conversion failed");
+ let result = parse_xmlrpc_response(&body);
+ assert!(result.is_err());
+ assert!(result.unwrap_err().contains("conversion failed"));
}
}
diff --git a/crates/engine/src/libreoffice/discover.rs b/crates/engine/src/libreoffice/discover.rs
deleted file mode 100644
index 9fdddf5..0000000
--- a/crates/engine/src/libreoffice/discover.rs
+++ /dev/null
@@ -1,198 +0,0 @@
-//! `soffice` executable discovery and version probing.
-//!
-//! The discovery search order is documented in spec 12 § *Executable
-//! discovery*. The probe step runs `soffice --headless --version` under a
-//! caller-supplied timeout to confirm the binary actually starts.
-
-use std::path::{Path, PathBuf};
-use std::time::Duration;
-
-use crate::types::{EngineError, EngineResult};
-
-/// Public entry point: locate `soffice` using env var, `$PATH`, and platform defaults.
-pub(super) fn find_soffice() -> EngineResult {
- find_in(&candidate_paths())
-}
-
-/// Search the supplied list of candidate paths in order, returning the first
-/// path that exists and is executable.
-///
-/// Factored out of [`find_soffice`] so unit tests can exercise the lookup
-/// without mutating the process environment (which is `unsafe` on edition 2024).
-pub(super) fn find_in(searched: &[PathBuf]) -> EngineResult {
- for path in searched {
- if path.exists() && is_executable(path) {
- return Ok(path.clone());
- }
- }
- Err(EngineError::Internal(format!(
- "LibreOffice not found: searched {searched:?}"
- )))
-}
-
-/// Build the platform-specific list of candidate locations.
-pub(super) fn candidate_paths() -> Vec {
- let mut out: Vec = Vec::new();
-
- // 1. $LIBREOFFICE_PATH (env var)
- if let Some(p) = std::env::var_os("LIBREOFFICE_PATH") {
- out.push(PathBuf::from(p));
- }
-
- // 2. `which soffice`, `which libreoffice`
- if let Some(p) = which_in_path("soffice") {
- out.push(p);
- }
- if let Some(p) = which_in_path("libreoffice") {
- out.push(p);
- }
-
- // 3-5. Platform defaults.
- #[cfg(target_os = "macos")]
- {
- out.push(PathBuf::from(
- "/Applications/LibreOffice.app/Contents/MacOS/soffice",
- ));
- // Homebrew cask `--appdir=~/Applications` install location.
- if let Some(home) = std::env::var_os("HOME") {
- let mut p = PathBuf::from(home);
- p.push("Applications/LibreOffice.app/Contents/MacOS/soffice");
- out.push(p);
- }
- }
- #[cfg(target_os = "linux")]
- {
- out.push(PathBuf::from("/usr/bin/soffice"));
- out.push(PathBuf::from("/usr/bin/libreoffice"));
- out.push(PathBuf::from("/usr/lib/libreoffice/program/soffice"));
- out.push(PathBuf::from("/snap/bin/libreoffice"));
- out.push(PathBuf::from(
- "/var/lib/flatpak/exports/bin/org.libreoffice.LibreOffice",
- ));
- }
- #[cfg(target_os = "windows")]
- {
- out.push(PathBuf::from(
- r"C:\Program Files\LibreOffice\program\soffice.exe",
- ));
- out.push(PathBuf::from(
- r"C:\Program Files (x86)\LibreOffice\program\soffice.exe",
- ));
- }
-
- out
-}
-
-fn which_in_path(name: &str) -> Option {
- let path_var = std::env::var_os("PATH")?;
- for dir in std::env::split_paths(&path_var) {
- let candidate = dir.join(name);
- if candidate.is_file() && is_executable(&candidate) {
- return Some(candidate);
- }
- #[cfg(target_os = "windows")]
- {
- let exe = dir.join(format!("{name}.exe"));
- if exe.is_file() {
- return Some(exe);
- }
- }
- }
- None
-}
-
-#[cfg(unix)]
-fn is_executable(p: &Path) -> bool {
- use std::os::unix::fs::PermissionsExt;
- p.metadata()
- .map(|m| m.is_file() && (m.permissions().mode() & 0o111) != 0)
- .unwrap_or(false)
-}
-
-#[cfg(not(unix))]
-fn is_executable(p: &Path) -> bool {
- p.is_file()
-}
-
-/// Run `soffice --headless --version` under `timeout`. Empty stdout or a
-/// non-zero exit status is reported as `EngineError::Internal`.
-///
-/// Each call gets its own `UserInstallation` tempdir so concurrent probes
-/// (e.g. parallel test runs) never race for the default profile lock.
-pub(super) async fn probe(exe: &Path, timeout: Duration) -> EngineResult<()> {
- let tmp = tempfile::tempdir()?;
- let user_dir = tmp.path().join("probe");
- std::fs::create_dir_all(&user_dir)?;
- let user_url = if cfg!(windows) {
- format!("file:///{}", user_dir.to_string_lossy().replace('\\', "/"))
- } else {
- format!("file://{}", user_dir.to_string_lossy())
- };
-
- let mut cmd = tokio::process::Command::new(exe);
- cmd.arg("--headless")
- .arg("--norestore")
- .arg("--nologo")
- .arg("--nodefault")
- .arg("--nofirststartwizard")
- .arg("--version")
- .arg(format!("-env:UserInstallation={user_url}"))
- .kill_on_drop(true)
- .stdin(std::process::Stdio::null());
-
- let out = match tokio::time::timeout(timeout, cmd.output()).await {
- Err(_) => return Err(EngineError::Timeout(timeout)),
- Ok(Err(e)) => {
- return Err(EngineError::Internal(format!(
- "LibreOffice probe failed: {e}"
- )));
- }
- Ok(Ok(o)) => o,
- };
-
- if !out.status.success() {
- let stderr = String::from_utf8_lossy(&out.stderr);
- return Err(EngineError::Internal(format!(
- "LibreOffice probe failed (exit {:?}): {}",
- out.status.code(),
- stderr.trim()
- )));
- }
- if out.stdout.is_empty() {
- return Err(EngineError::Internal(
- "LibreOffice probe failed: empty stdout".into(),
- ));
- }
- Ok(())
-}
-
-#[cfg(test)]
-mod tests {
- use super::*;
-
- #[test]
- fn discover_returns_searched_list_when_missing() {
- let paths = vec![
- PathBuf::from("/nonexistent/__folio_no_soffice_a"),
- PathBuf::from("/nonexistent/__folio_no_soffice_b"),
- ];
- let err = find_in(&paths).expect_err("should fail for missing paths");
- let msg = format!("{err}");
- assert!(
- msg.contains("__folio_no_soffice_a"),
- "missing first path in: {msg}"
- );
- assert!(
- msg.contains("__folio_no_soffice_b"),
- "missing second path in: {msg}"
- );
- assert!(matches!(err, EngineError::Internal(_)));
- }
-
- #[test]
- fn candidate_paths_is_non_empty() {
- // At minimum each platform contributes at least one default location.
- let paths = candidate_paths();
- assert!(!paths.is_empty());
- }
-}
diff --git a/crates/engine/src/libreoffice/mod.rs b/crates/engine/src/libreoffice/mod.rs
index 63f4133..74d22d8 100644
--- a/crates/engine/src/libreoffice/mod.rs
+++ b/crates/engine/src/libreoffice/mod.rs
@@ -1,21 +1,20 @@
-//! `LibreOfficeEngine` — convert office documents to PDF via the `soffice`
-//! subprocess.
+//! `LibreOfficeEngine` — convert office documents to PDF via unoserver.
//!
-//! Implementation of `docs/specs/12-engine-libreoffice.md`. Each call spawns a
-//! short-lived `soffice --headless` child with its own isolated
-//! `UserInstallation` profile, making concurrent invocations safe.
+//! Implementation of `docs/specs/12-engine-libreoffice.md`. A persistent
+//! `unoserver` process is managed as a child, eliminating per-request
+//! soffice startup cost (~200–400ms).
pub mod filter;
mod convert;
-mod discover;
+mod unoserver;
use std::path::{Path, PathBuf};
use std::sync::Arc;
use std::time::Duration;
use serde::{Deserialize, Serialize};
-use tokio::sync::Semaphore;
+use tokio::sync::{Mutex, Semaphore};
use tracing::{debug, info, instrument};
@@ -25,11 +24,11 @@ use crate::types::{EngineError, EngineResult, PageRanges};
// Engine
// ---------------------------------------------------------------------------
-/// Wrapper around the `soffice` binary. Cheap to clone (`Arc` inside).
+/// Wrapper around a persistent `unoserver` process. Cheap to clone (`Arc` inside).
///
/// # Example
///
-/// ```ignore
+/// ```no_run
/// use std::path::Path;
/// use engine::{LibreOfficeEngine, OfficeOptions};
///
@@ -48,7 +47,11 @@ pub struct LibreOfficeEngine {
}
struct Inner {
- exe: PathBuf,
+ unoserver: Mutex,
+ port: u16,
+ unoserver_ready_timeout: Duration,
+ executable: Option,
+ client: reqwest::Client,
timeout: Duration,
semaphore: Semaphore,
}
@@ -56,13 +59,12 @@ struct Inner {
/// Engine-wide configuration. Pass to [`LibreOfficeEngine::launch`].
#[derive(Debug, Clone)]
pub struct LibreOfficeConfig {
- /// Path to `soffice` (or `libreoffice`). `None` = autodiscover via
- /// `$LIBREOFFICE_PATH`, `$PATH`, and platform defaults.
+ /// Path to `soffice` passed to unoserver via `--executable`. `None` = unoserver
+ /// auto-discovers soffice.
pub executable: Option,
/// Per-conversion timeout. Default 120s.
pub timeout: Duration,
- /// Maximum concurrent subprocess invocations. Default
- /// [`std::thread::available_parallelism`].
+ /// Maximum concurrent conversions. Default [`std::thread::available_parallelism`].
pub max_concurrency: usize,
/// Use lazy initialization (start on first request).
/// Default: false (start eagerly at server startup).
@@ -70,6 +72,10 @@ pub struct LibreOfficeConfig {
/// Idle shutdown timeout - engine shuts down after this duration of no requests.
/// None means no idle shutdown. Default: None.
pub idle_shutdown_timeout: Option,
+ /// Port unoserver listens on. Default: 2003.
+ pub unoserver_port: u16,
+ /// Maximum time to wait for unoserver to be ready at startup. Default: 60s.
+ pub unoserver_ready_timeout: Duration,
}
impl Default for LibreOfficeConfig {
@@ -82,20 +88,13 @@ impl Default for LibreOfficeConfig {
.unwrap_or(4),
lazy_start: false,
idle_shutdown_timeout: None,
+ unoserver_port: 2003,
+ unoserver_ready_timeout: Duration::from_secs(60),
}
}
}
impl LibreOfficeEngine {
- /// Return a tracing span for this engine instance, tagged with
- /// `engine="libreoffice"`.
- pub fn logger(&self) -> tracing::Span {
- tracing::info_span!(
- "engine",
- engine = "libreoffice",
- )
- }
-
/// Discover `soffice` on `$PATH` and platform defaults using
/// [`LibreOfficeConfig::default`].
pub async fn discover() -> EngineResult {
@@ -104,36 +103,79 @@ impl LibreOfficeEngine {
/// Construct an engine with explicit configuration.
///
- /// If `config.executable` is `Some`, the path is required to exist;
- /// otherwise auto-discovery is performed. The chosen executable is then
- /// probed (`--headless --version`) before the engine is returned.
- #[instrument(skip(config), fields(executable = ?config.executable))]
+ /// Spawns a persistent `unoserver` process. The engine is returned once
+ /// unoserver is ready to accept connections.
pub async fn launch(config: LibreOfficeConfig) -> EngineResult {
- info!("Launching LibreOffice engine");
- let exe = match config.executable.as_ref() {
- Some(p) => {
- if !p.exists() {
- return Err(EngineError::Internal(format!(
- "LibreOffice not found: {}",
- p.display()
- )));
- }
- p.clone()
- }
- None => discover::find_soffice()?,
- };
+ info!(port = config.unoserver_port, "Launching LibreOffice engine");
- discover::probe(&exe, config.timeout).await?;
+ let unoserver = unoserver::UnoserverProcess::spawn(
+ config.unoserver_port,
+ config.unoserver_ready_timeout,
+ config.executable.as_deref(),
+ )
+ .await?;
+ // If config requested port 0, the spawn helper picked a free one.
+ let actual_port = unoserver.port();
let max = config.max_concurrency.max(1);
- info!(executable = %exe.display(), timeout = ?config.timeout, max_concurrency = max, "LibreOffice engine launched");
- Ok(Self {
- inner: Arc::new(Inner {
- exe,
- timeout: config.timeout,
- semaphore: Semaphore::new(max),
- }),
- })
+ let client = reqwest::Client::builder()
+ .tcp_keepalive(Some(Duration::from_secs(60)))
+ .pool_max_idle_per_host(1)
+ .build()
+ .map_err(|e| EngineError::Internal(format!("failed to build HTTP client: {e}")))?;
+
+ let inner = Arc::new(Inner {
+ unoserver: Mutex::new(unoserver),
+ port: actual_port,
+ unoserver_ready_timeout: config.unoserver_ready_timeout,
+ executable: config.executable,
+ client,
+ timeout: config.timeout,
+ semaphore: Semaphore::new(max),
+ });
+
+ // Background task: detect unoserver crashes and restart.
+ let inner_weak = Arc::downgrade(&inner);
+ tokio::spawn(async move {
+ 'monitor: loop {
+ tokio::time::sleep(Duration::from_secs(5)).await;
+ let Some(inner) = inner_weak.upgrade() else { break };
+
+ // try_wait() is non-blocking — it does not yield the lock for long.
+ let exited = inner.unoserver.lock().await.try_wait().ok().flatten();
+
+ if exited.is_some() {
+ tracing::warn!("unoserver exited unexpectedly, attempting restart");
+ for attempt in 0..3u32 {
+ tokio::time::sleep(Duration::from_secs(1 << attempt)).await;
+ let Some(inner) = inner_weak.upgrade() else { break 'monitor };
+ match unoserver::UnoserverProcess::spawn(
+ inner.port,
+ inner.unoserver_ready_timeout,
+ inner.executable.as_deref(),
+ )
+ .await
+ {
+ Ok(new_proc) => {
+ *inner.unoserver.lock().await = new_proc;
+ tracing::info!("unoserver restarted");
+ break;
+ }
+ Err(e) if attempt < 2 => {
+ tracing::warn!(attempt = attempt + 1, error = %e, "unoserver restart failed");
+ }
+ Err(_) => {
+ tracing::error!("unoserver failed to restart after 3 attempts, conversions will fail");
+ break 'monitor;
+ }
+ }
+ }
+ }
+ }
+ });
+
+ info!(port = actual_port, timeout = ?config.timeout, max_concurrency = max, "LibreOffice engine launched");
+ Ok(Self { inner })
}
/// Convert one input file to PDF bytes.
@@ -144,7 +186,6 @@ impl LibreOfficeEngine {
/// `UserInstallation` directory.
#[instrument(skip_all, fields(input = %input.display()))]
pub async fn convert(&self, input: &Path, opts: &OfficeOptions) -> EngineResult> {
- let _span = self.logger();
opts.validate()?;
if !input.exists() {
return Err(EngineError::Io(std::io::Error::new(
@@ -160,7 +201,7 @@ impl LibreOfficeEngine {
.map_err(|e| EngineError::Internal(format!("semaphore closed: {e}")))?;
debug!("Starting LibreOffice conversion");
let start = std::time::Instant::now();
- let result = convert::run_convert(&self.inner.exe, self.inner.timeout, input, opts).await;
+ let result = convert::run_convert(&self.inner.client, self.inner.port, self.inner.timeout, input, opts).await;
let duration = start.elapsed();
match &result {
Ok(_) => info!(
@@ -226,19 +267,23 @@ impl LibreOfficeEngine {
Ok(out)
}
- /// Returns `true` iff `soffice --version` succeeds within a 30-second
- /// timeout (regardless of the engine's `config.timeout`).
+ /// Returns `true` iff unoserver responds to an HTTP GET within 5 seconds.
pub async fn healthy(&self) -> bool {
- discover::probe(&self.inner.exe, Duration::from_secs(30))
- .await
- .is_ok()
+ let url = format!("http://127.0.0.1:{}/", self.inner.port);
+ tokio::time::timeout(
+ Duration::from_secs(5),
+ self.inner.client.get(&url).send(),
+ )
+ .await
+ .map(|r| r.is_ok())
+ .unwrap_or(false)
}
}
impl std::fmt::Debug for LibreOfficeEngine {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
f.debug_struct("LibreOfficeEngine")
- .field("exe", &self.inner.exe)
+ .field("port", &self.inner.port)
.field("timeout", &self.inner.timeout)
.finish()
}
@@ -273,6 +318,7 @@ pub struct OfficeOptions {
/// Export bookmarks as Named Destinations.
pub export_bookmarks_to_pdf_destination: bool,
/// Update document indexes before conversion.
+ /// Note: not currently passed to unoserver (unoserver has no direct API for this).
pub update_indexes: bool,
// --- Form Fields & Placeholders ---
@@ -437,14 +483,15 @@ impl OfficeOptions {
Ok(())
}
- /// Build the LibreOffice filter-options blob (the `:{...}` suffix on
- /// `--convert-to`). Returns `None` if no fields are set, in which case
- /// the bare exporter (e.g. `pdf:writer_pdf_Export`) is used unmodified.
- pub(crate) fn filter_blob(&self) -> Option {
- let mut map = serde_json::Map::new();
+ /// Build the unoserver `filter_options` array. Each entry is a
+ /// `Name=Value` string; unoserver parses these with `split('=', 1)`
+ /// and infers the value type (`true`/`false` → bool, digits → int,
+ /// everything else → string).
+ pub(crate) fn filter_options(&self) -> Vec {
+ let mut out: Vec = Vec::new();
if let Some(pr) = &self.page_ranges {
- map.insert("PageRange".into(), entry_str(&pr.to_string()));
+ out.push(format!("PageRange={}", pr));
}
if let Some(prof) = self.pdf_a {
let v: i64 = match prof {
@@ -452,167 +499,145 @@ impl OfficeOptions {
PdfAProfile::A2B => 2,
PdfAProfile::A3B => 3,
};
- map.insert("SelectPdfVersion".into(), entry_long(v));
+ out.push(format!("SelectPdfVersion={v}"));
}
if self.pdf_ua {
- map.insert("PDFUACompliance".into(), entry_bool(true));
+ out.push("PDFUACompliance=true".into());
}
if let Some(q) = self.quality {
- map.insert("Quality".into(), entry_long(i64::from(q)));
+ out.push(format!("Quality={q}"));
}
if let Some(r) = self.max_image_resolution {
- map.insert("MaxImageResolution".into(), entry_long(i64::from(r)));
+ out.push(format!("MaxImageResolution={r}"));
}
if self.landscape {
- map.insert("IsLandscape".into(), entry_bool(true));
+ out.push("IsLandscape=true".into());
}
- // Bookmarks
if self.export_bookmarks {
- map.insert("ExportBookmarks".into(), entry_bool(true));
+ out.push("ExportBookmarks=true".into());
}
if self.export_bookmarks_to_pdf_destination {
- map.insert("ExportBookmarksToPDFDestination".into(), entry_bool(true));
+ out.push("ExportBookmarksToPDFDestination=true".into());
}
- // Form Fields
if self.export_form_fields {
- map.insert("ExportFormFields".into(), entry_bool(true));
+ out.push("ExportFormFields=true".into());
}
if self.allow_duplicate_field_names {
- map.insert("AllowDuplicateFieldNames".into(), entry_bool(true));
+ out.push("AllowDuplicateFieldNames=true".into());
}
if self.export_placeholders {
- map.insert("ExportPlaceholders".into(), entry_bool(true));
+ out.push("ExportPlaceholders=true".into());
}
- // Notes
if self.export_notes {
- map.insert("ExportNotes".into(), entry_bool(true));
+ out.push("ExportNotes=true".into());
}
if self.export_notes_pages {
- map.insert("ExportNotesPages".into(), entry_bool(true));
+ out.push("ExportNotesPages=true".into());
}
if self.export_only_notes_pages {
- map.insert("ExportOnlyNotesPages".into(), entry_bool(true));
+ out.push("ExportOnlyNotesPages=true".into());
}
if self.export_notes_in_margin {
- map.insert("ExportNotesInMargin".into(), entry_bool(true));
+ out.push("ExportNotesInMargin=true".into());
}
- // Advanced
if self.convert_ooo_target_to_pdf_target {
- map.insert("ConvertOOoTargetToPDFTarget".into(), entry_bool(true));
+ out.push("ConvertOOoTargetToPDFTarget=true".into());
}
if self.export_links_relative_fsys {
- map.insert("ExportLinksRelativeFsys".into(), entry_bool(true));
+ out.push("ExportLinksRelativeFsys=true".into());
}
if self.export_hidden_slides {
- map.insert("ExportHiddenSlides".into(), entry_bool(true));
+ out.push("ExportHiddenSlides=true".into());
}
if self.skip_empty_pages {
- map.insert("IsSkipEmptyPages".into(), entry_bool(true));
+ out.push("IsSkipEmptyPages=true".into());
}
if self.add_original_document_as_stream {
- map.insert("IsAddStream".into(), entry_bool(true));
+ out.push("IsAddStream=true".into());
}
if self.single_page_sheets {
- map.insert("SinglePageSheets".into(), entry_bool(true));
+ out.push("SinglePageSheets=true".into());
}
if self.lossless_image_compression {
- map.insert("UseLosslessCompression".into(), entry_bool(true));
+ out.push("UseLosslessCompression=true".into());
}
if self.reduce_image_resolution {
- map.insert("ReduceImageResolution".into(), entry_bool(true));
+ out.push("ReduceImageResolution=true".into());
}
- // Native Watermarks
if let Some(ref text) = self.native_watermark_text {
- map.insert("Watermark".into(), entry_str(text));
+ out.push(format!("Watermark={text}"));
}
if let Some(color) = self.native_watermark_color {
- map.insert("WatermarkColor".into(), entry_long(i64::from(color)));
+ out.push(format!("WatermarkColor={color}"));
}
if let Some(h) = self.native_watermark_font_height {
- map.insert("WatermarkFontHeight".into(), entry_long(i64::from(h)));
+ out.push(format!("WatermarkFontHeight={h}"));
}
if let Some(angle) = self.native_watermark_rotate_angle {
- map.insert("WatermarkRotateAngle".into(), entry_long(i64::from(angle)));
+ out.push(format!("WatermarkRotateAngle={angle}"));
}
if let Some(ref name) = self.native_watermark_font_name {
- map.insert("WatermarkFontName".into(), entry_str(name));
+ out.push(format!("WatermarkFontName={name}"));
}
if let Some(ref text) = self.native_tiled_watermark_text {
- map.insert("TiledWatermark".into(), entry_str(text));
+ out.push(format!("TiledWatermark={text}"));
}
- // Viewer Preferences
if let Some(v) = self.initial_view {
- map.insert("InitialView".into(), entry_long(i64::from(v)));
+ out.push(format!("InitialView={v}"));
}
if let Some(v) = self.initial_page {
- map.insert("InitialPage".into(), entry_long(i64::from(v)));
+ out.push(format!("InitialPage={v}"));
}
if let Some(v) = self.magnification {
- map.insert("Magnification".into(), entry_long(i64::from(v)));
+ out.push(format!("Magnification={v}"));
}
if let Some(v) = self.zoom {
- map.insert("Zoom".into(), entry_long(i64::from(v)));
+ out.push(format!("Zoom={v}"));
}
if let Some(v) = self.page_layout {
- map.insert("PageLayout".into(), entry_long(i64::from(v)));
+ out.push(format!("PageLayout={v}"));
}
if self.first_page_on_left {
- map.insert("FirstPageOnLeft".into(), entry_bool(true));
+ out.push("FirstPageOnLeft=true".into());
}
if self.resize_window_to_initial_page {
- map.insert("ResizeWindowToInitialPage".into(), entry_bool(true));
+ out.push("ResizeWindowToInitialPage=true".into());
}
if self.center_window {
- map.insert("CenterWindow".into(), entry_bool(true));
+ out.push("CenterWindow=true".into());
}
if self.open_in_full_screen_mode {
- map.insert("OpenInFullScreenMode".into(), entry_bool(true));
+ out.push("OpenInFullScreenMode=true".into());
}
if self.display_pdf_document_title {
- map.insert("DisplayPDFDocumentTitle".into(), entry_bool(true));
+ out.push("DisplayPDFDocumentTitle=true".into());
}
if self.hide_viewer_menubar {
- map.insert("HideViewerMenubar".into(), entry_bool(true));
+ out.push("HideViewerMenubar=true".into());
}
if self.hide_viewer_toolbar {
- map.insert("HideViewerToolbar".into(), entry_bool(true));
+ out.push("HideViewerToolbar=true".into());
}
if self.hide_viewer_window_controls {
- map.insert("HideViewerWindowControls".into(), entry_bool(true));
+ out.push("HideViewerWindowControls=true".into());
}
if self.use_transition_effects {
- map.insert("UseTransitionEffects".into(), entry_bool(true));
+ out.push("UseTransitionEffects=true".into());
}
if let Some(v) = self.open_bookmark_levels {
- map.insert("OpenBookmarkLevels".into(), entry_long(i64::from(v)));
+ out.push(format!("OpenBookmarkLevels={v}"));
}
- if map.is_empty() {
- None
- } else {
- Some(serde_json::Value::Object(map).to_string())
- }
+ out
}
}
-fn entry_str(v: &str) -> serde_json::Value {
- serde_json::json!({ "type": "string", "value": v })
-}
-
-fn entry_long(v: i64) -> serde_json::Value {
- serde_json::json!({ "type": "long", "value": v })
-}
-
-fn entry_bool(v: bool) -> serde_json::Value {
- serde_json::json!({ "type": "boolean", "value": v })
-}
-
/// PDF/A export profile.
#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
#[serde(rename_all = "kebab-case")]
@@ -648,72 +673,64 @@ mod tests {
assert!(c.executable.is_none());
assert_eq!(c.timeout, Duration::from_secs(120));
assert!(c.max_concurrency >= 1);
+ assert_eq!(c.unoserver_port, 2003);
+ assert_eq!(c.unoserver_ready_timeout, Duration::from_secs(60));
}
#[test]
- fn office_options_default_emits_no_filter_blob() {
- assert!(OfficeOptions::default().filter_blob().is_none());
+ fn office_options_default_emits_no_filter_options() {
+ assert!(OfficeOptions::default().filter_options().is_empty());
}
#[test]
- fn office_options_with_page_ranges_emits_pagerange_key() {
+ fn office_options_with_page_ranges_emits_pagerange_entry() {
let opts = OfficeOptions {
page_ranges: Some(PageRanges::parse("1-3,5").expect("parse")),
..Default::default()
};
- let blob = opts.filter_blob().expect("blob");
- let v: serde_json::Value = serde_json::from_str(&blob).expect("json");
- assert_eq!(v["PageRange"]["type"], "string");
- assert_eq!(v["PageRange"]["value"], "1-3,5");
+ let opts = opts.filter_options();
+ assert!(opts.contains(&"PageRange=1-3,5".to_string()), "{opts:?}");
}
#[test]
- fn office_options_with_pdf_a_maps_select_pdf_version_long() {
+ fn office_options_with_pdf_a_maps_select_pdf_version() {
let cases = [
- (PdfAProfile::A1B, 1),
- (PdfAProfile::A2B, 2),
- (PdfAProfile::A3B, 3),
+ (PdfAProfile::A1B, "SelectPdfVersion=1"),
+ (PdfAProfile::A2B, "SelectPdfVersion=2"),
+ (PdfAProfile::A3B, "SelectPdfVersion=3"),
];
for (prof, expected) in cases {
let opts = OfficeOptions {
pdf_a: Some(prof),
..Default::default()
};
- let blob = opts.filter_blob().expect("blob");
- let v: serde_json::Value = serde_json::from_str(&blob).expect("json");
- assert_eq!(v["SelectPdfVersion"]["type"], "long");
- assert_eq!(v["SelectPdfVersion"]["value"], expected);
+ let opts = opts.filter_options();
+ assert!(opts.contains(&expected.to_string()), "{opts:?}");
}
}
#[test]
- fn office_options_landscape_and_pdfua_blob_keys() {
+ fn office_options_landscape_and_pdfua_entries() {
let opts = OfficeOptions {
landscape: true,
pdf_ua: true,
..Default::default()
};
- let blob = opts.filter_blob().expect("blob");
- let v: serde_json::Value = serde_json::from_str(&blob).expect("json");
- assert_eq!(v["IsLandscape"]["type"], "boolean");
- assert_eq!(v["IsLandscape"]["value"], true);
- assert_eq!(v["PDFUACompliance"]["type"], "boolean");
- assert_eq!(v["PDFUACompliance"]["value"], true);
+ let opts = opts.filter_options();
+ assert!(opts.contains(&"IsLandscape=true".to_string()), "{opts:?}");
+ assert!(opts.contains(&"PDFUACompliance=true".to_string()), "{opts:?}");
}
#[test]
- fn office_options_quality_and_resolution_blob_long() {
+ fn office_options_quality_and_resolution_entries() {
let opts = OfficeOptions {
quality: Some(75),
max_image_resolution: Some(150),
..Default::default()
};
- let blob = opts.filter_blob().expect("blob");
- let v: serde_json::Value = serde_json::from_str(&blob).expect("json");
- assert_eq!(v["Quality"]["type"], "long");
- assert_eq!(v["Quality"]["value"], 75);
- assert_eq!(v["MaxImageResolution"]["type"], "long");
- assert_eq!(v["MaxImageResolution"]["value"], 150);
+ let opts = opts.filter_options();
+ assert!(opts.contains(&"Quality=75".to_string()), "{opts:?}");
+ assert!(opts.contains(&"MaxImageResolution=150".to_string()), "{opts:?}");
}
#[test]
@@ -784,7 +801,7 @@ mod tests {
}
#[test]
- fn office_options_filter_blob_all_new_fields() {
+ fn office_options_filter_options_all_new_fields() {
let opts = OfficeOptions {
landscape: true,
export_bookmarks: true,
@@ -827,50 +844,53 @@ mod tests {
open_bookmark_levels: Some(-1),
..Default::default()
};
- let blob = opts.filter_blob().expect("blob");
- let v: serde_json::Value = serde_json::from_str(&blob).expect("json");
- assert_eq!(v["ExportBookmarks"]["type"], "boolean");
- assert_eq!(v["ExportBookmarks"]["value"], true);
- assert_eq!(v["ExportBookmarksToPDFDestination"]["value"], true);
- assert_eq!(v["ExportFormFields"]["value"], true);
- assert_eq!(v["AllowDuplicateFieldNames"]["value"], true);
- assert_eq!(v["ExportPlaceholders"]["value"], true);
- assert_eq!(v["ExportNotes"]["value"], true);
- assert_eq!(v["ExportNotesPages"]["value"], true);
- assert_eq!(v["ExportOnlyNotesPages"]["value"], true);
- assert_eq!(v["ExportNotesInMargin"]["value"], true);
- assert_eq!(v["ConvertOOoTargetToPDFTarget"]["value"], true);
- assert_eq!(v["ExportLinksRelativeFsys"]["value"], true);
- assert_eq!(v["ExportHiddenSlides"]["value"], true);
- assert_eq!(v["IsSkipEmptyPages"]["value"], true);
- assert_eq!(v["IsAddStream"]["value"], true);
- assert_eq!(v["SinglePageSheets"]["value"], true);
- assert_eq!(v["UseLosslessCompression"]["value"], true);
- assert_eq!(v["ReduceImageResolution"]["value"], true);
- assert_eq!(v["Watermark"]["type"], "string");
- assert_eq!(v["Watermark"]["value"], "SECRET");
- assert_eq!(v["WatermarkColor"]["type"], "long");
- assert_eq!(v["WatermarkColor"]["value"], 16711680);
- assert_eq!(v["WatermarkFontHeight"]["value"], 20);
- assert_eq!(v["WatermarkRotateAngle"]["value"], 30);
- assert_eq!(v["WatermarkFontName"]["value"], "Times");
- assert_eq!(v["TiledWatermark"]["value"], "DRAFT");
- assert_eq!(v["InitialView"]["type"], "long");
- assert_eq!(v["InitialView"]["value"], 1);
- assert_eq!(v["InitialPage"]["value"], 5);
- assert_eq!(v["Magnification"]["value"], 2);
- assert_eq!(v["Zoom"]["value"], 150);
- assert_eq!(v["PageLayout"]["value"], 3);
- assert_eq!(v["FirstPageOnLeft"]["value"], true);
- assert_eq!(v["ResizeWindowToInitialPage"]["value"], true);
- assert_eq!(v["CenterWindow"]["value"], true);
- assert_eq!(v["OpenInFullScreenMode"]["value"], true);
- assert_eq!(v["DisplayPDFDocumentTitle"]["value"], true);
- assert_eq!(v["HideViewerMenubar"]["value"], true);
- assert_eq!(v["HideViewerToolbar"]["value"], true);
- assert_eq!(v["HideViewerWindowControls"]["value"], true);
- assert_eq!(v["UseTransitionEffects"]["value"], true);
- assert_eq!(v["OpenBookmarkLevels"]["value"], -1);
+ let entries = opts.filter_options();
+ let expected = [
+ "ExportBookmarks=true",
+ "ExportBookmarksToPDFDestination=true",
+ "ExportFormFields=true",
+ "AllowDuplicateFieldNames=true",
+ "ExportPlaceholders=true",
+ "ExportNotes=true",
+ "ExportNotesPages=true",
+ "ExportOnlyNotesPages=true",
+ "ExportNotesInMargin=true",
+ "ConvertOOoTargetToPDFTarget=true",
+ "ExportLinksRelativeFsys=true",
+ "ExportHiddenSlides=true",
+ "IsSkipEmptyPages=true",
+ "IsAddStream=true",
+ "SinglePageSheets=true",
+ "UseLosslessCompression=true",
+ "ReduceImageResolution=true",
+ "Watermark=SECRET",
+ "WatermarkColor=16711680",
+ "WatermarkFontHeight=20",
+ "WatermarkRotateAngle=30",
+ "WatermarkFontName=Times",
+ "TiledWatermark=DRAFT",
+ "InitialView=1",
+ "InitialPage=5",
+ "Magnification=2",
+ "Zoom=150",
+ "PageLayout=3",
+ "FirstPageOnLeft=true",
+ "ResizeWindowToInitialPage=true",
+ "CenterWindow=true",
+ "OpenInFullScreenMode=true",
+ "DisplayPDFDocumentTitle=true",
+ "HideViewerMenubar=true",
+ "HideViewerToolbar=true",
+ "HideViewerWindowControls=true",
+ "UseTransitionEffects=true",
+ "OpenBookmarkLevels=-1",
+ ];
+ for e in expected {
+ assert!(
+ entries.iter().any(|s| s == e),
+ "missing {e}; got {entries:?}"
+ );
+ }
}
#[test]
@@ -905,15 +925,4 @@ mod tests {
assert!(ok.validate().is_ok());
}
- #[tokio::test]
- async fn launch_with_missing_executable_path_errors() {
- let cfg = LibreOfficeConfig {
- executable: Some(PathBuf::from("/nonexistent/__folio_no_soffice")),
- ..LibreOfficeConfig::default()
- };
- let err = LibreOfficeEngine::launch(cfg)
- .await
- .expect_err("should fail");
- assert!(matches!(err, EngineError::Internal(_)));
- }
}
diff --git a/crates/engine/src/libreoffice/unoserver.rs b/crates/engine/src/libreoffice/unoserver.rs
new file mode 100644
index 0000000..731558e
--- /dev/null
+++ b/crates/engine/src/libreoffice/unoserver.rs
@@ -0,0 +1,119 @@
+use std::path::Path;
+use std::time::Duration;
+
+use tokio::process::Child;
+use tracing::info;
+
+use crate::types::{EngineError, EngineResult};
+
+pub(super) struct UnoserverProcess {
+ child: Child,
+ port: u16,
+}
+
+impl std::fmt::Debug for UnoserverProcess {
+ fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+ f.debug_struct("UnoserverProcess")
+ .field("port", &self.port)
+ .finish_non_exhaustive()
+ }
+}
+
+impl UnoserverProcess {
+ pub(super) async fn spawn(
+ port: u16,
+ ready_timeout: Duration,
+ executable: Option<&Path>,
+ ) -> EngineResult {
+ // Port 0 means "ask the OS for a free ephemeral port". We bind a
+ // listener, capture the port, drop the listener, then hand the port
+ // to unoserver. Avoids clashes when several engines start in
+ // sequence (e.g. integration tests) where the previous process
+ // hasn't fully released the socket yet.
+ let port = if port == 0 {
+ let listener = std::net::TcpListener::bind("127.0.0.1:0").map_err(|e| {
+ EngineError::Internal(format!("failed to pick free port: {e}"))
+ })?;
+ listener
+ .local_addr()
+ .map_err(|e| EngineError::Internal(format!("local_addr: {e}")))?
+ .port()
+ } else {
+ port
+ };
+ info!(port, "Starting unoserver");
+
+ let mut cmd = tokio::process::Command::new("unoserver");
+ cmd.args([
+ "--interface",
+ "127.0.0.1",
+ "--port",
+ &port.to_string(),
+ ]);
+ if let Some(exe) = executable {
+ cmd.arg("--executable");
+ cmd.arg(exe);
+ }
+ cmd.kill_on_drop(true)
+ .stdin(std::process::Stdio::null())
+ .stdout(std::process::Stdio::null())
+ .stderr(std::process::Stdio::null());
+
+ let child = cmd
+ .spawn()
+ .map_err(|e| EngineError::Internal(format!("failed to spawn unoserver: {e}")))?;
+
+ // Poll TCP until the port accepts connections or timeout elapses.
+ let addr = format!("127.0.0.1:{port}");
+ let deadline = tokio::time::Instant::now() + ready_timeout;
+ loop {
+ if tokio::time::Instant::now() >= deadline {
+ return Err(EngineError::Timeout(ready_timeout));
+ }
+ match tokio::net::TcpStream::connect(&addr).await {
+ Ok(_) => {
+ info!(port, "unoserver ready");
+ break;
+ }
+ Err(_) => {
+ tokio::time::sleep(Duration::from_millis(500)).await;
+ }
+ }
+ }
+
+ Ok(Self { child, port })
+ }
+
+ pub(super) fn port(&self) -> u16 {
+ self.port
+ }
+
+ pub(super) fn try_wait(&mut self) -> std::io::Result> {
+ self.child.try_wait()
+ }
+}
+
+impl Drop for UnoserverProcess {
+ fn drop(&mut self) {
+ let _ = self.child.start_kill();
+ }
+}
+
+#[cfg(test)]
+mod tests {
+ use super::*;
+
+ #[tokio::test]
+ async fn spawn_times_out_when_port_not_bound() {
+ // Port 19876 has nothing listening — expect Timeout when unoserver starts
+ // but never binds, or Internal when the binary isn't installed at all.
+ let result = UnoserverProcess::spawn(19876, Duration::from_millis(300), None).await;
+ assert!(
+ matches!(
+ result,
+ Err(EngineError::Timeout(_)) | Err(EngineError::Internal(_))
+ ),
+ "expected Timeout or Internal, got: {result:?}"
+ );
+ }
+}
diff --git a/crates/engine/src/pdfops/validate.rs b/crates/engine/src/pdfops/validate.rs
new file mode 100644
index 0000000..864c783
--- /dev/null
+++ b/crates/engine/src/pdfops/validate.rs
@@ -0,0 +1,219 @@
+//! PDF output validation for robustness.
+//!
+//! Validates that generated PDFs are well-formed, not corrupted,
+//! and meet basic quality expectations.
+
+use crate::types::{EngineError, EngineResult};
+
+/// Minimum valid PDF size in bytes (header + trailer).
+const MIN_PDF_SIZE: usize = 100;
+
+/// Maximum reasonable PDF size in bytes (100 MB).
+const MAX_PDF_SIZE: usize = 100 * 1024 * 1024;
+
+/// Validates a PDF output for basic correctness.
+///
+/// Checks:
+/// - PDF header present (%PDF-1.x)
+/// - PDF trailer present (%%EOF)
+/// - Reasonable file size
+/// - Can be parsed by lopdf
+/// - Contains at least one page
+///
+/// # Arguments
+///
+/// * `bytes` - Raw PDF bytes to validate
+///
+/// # Returns
+///
+/// - `Ok(())` if PDF is valid
+/// - `Err(EngineError::Pdf)` if validation fails
+///
+/// # Example
+///
+/// ```
+/// use engine::pdfops::validate::validate_pdf_output;
+///
+/// let pdf_bytes = b"%PDF-1.4\n1 0 obj<>endobj\n2 0 obj<>endobj\n3 0 obj<>endobj\nxref\n0 4\n0000000000 65535 f\n0000000009 00000 n\n0000000058 00000 n\n0000000115 00000 n\ntrailer<>\nstartxref\n147\n%%EOF";
+///
+/// // This is a minimal valid PDF structure for testing
+/// // In real use, you'd have actual PDF bytes
+/// ```
+pub fn validate_pdf_output(bytes: &[u8]) -> EngineResult<()> {
+ // Check minimum size
+ if bytes.len() < MIN_PDF_SIZE {
+ return Err(EngineError::Pdf(format!(
+ "PDF too small: {} bytes (minimum {})",
+ bytes.len(),
+ MIN_PDF_SIZE
+ )));
+ }
+
+ // Check maximum size
+ if bytes.len() > MAX_PDF_SIZE {
+ return Err(EngineError::Pdf(format!(
+ "PDF too large: {} bytes (maximum {})",
+ bytes.len(),
+ MAX_PDF_SIZE
+ )));
+ }
+
+ // Check PDF header
+ if !bytes.starts_with(b"%PDF-1.") {
+ return Err(EngineError::Pdf(
+ "Invalid PDF header: missing %PDF-1.x marker".to_string()
+ ));
+ }
+
+ // Check PDF trailer
+ if !bytes.windows(5).any(|w| w == b"%%EOF") {
+ return Err(EngineError::Pdf(
+ "Invalid PDF trailer: missing %%EOF marker".to_string()
+ ));
+ }
+
+ // Try to parse with lopdf
+ let doc = lopdf::Document::load_mem(bytes).map_err(|e| {
+ EngineError::Pdf(format!("PDF parse error: {}", e))
+ })?;
+
+ // Check for at least one page
+ let pages = doc.get_pages();
+ if pages.is_empty() {
+ return Err(EngineError::Pdf(
+ "PDF contains no pages".to_string()
+ ));
+ }
+
+ // Validate each page has required entries
+ for (page_num, page_id) in &pages {
+ let page = doc.get_page(*page_id).map_err(|e| {
+ EngineError::Pdf(format!(
+ "Failed to get page {}: {}",
+ page_num, e
+ ))
+ })?;
+
+ // Check for MediaBox (required for valid PDF)
+ if page.media_box().is_err() {
+ return Err(EngineError::Pdf(format!(
+ "Page {} missing required MediaBox",
+ page_num
+ )));
+ }
+ }
+
+ Ok(())
+}
+
+/// Validates a PDF and returns detailed information.
+///
+/// # Returns
+///
+/// A tuple of (page_count, file_size) on success
+pub fn validate_pdf_with_info(bytes: &[u8]) -> EngineResult<(u32, usize)> {
+ validate_pdf_output(bytes)?;
+
+ let doc = lopdf::Document::load_mem(bytes)
+ .map_err(|e| EngineError::Pdf(format!("PDF parse error: {}", e)))?;
+
+ let page_count = doc.get_pages().len() as u32;
+ let file_size = bytes.len();
+
+ Ok((page_count, file_size))
+}
+
+/// Quick validation that just checks header and trailer.
+///
+/// Useful for early validation before full parsing.
+pub fn quick_validate_pdf(bytes: &[u8]) -> bool {
+ bytes.len() >= MIN_PDF_SIZE
+ && bytes.starts_with(b"%PDF-1.")
+ && bytes.windows(5).any(|w| w == b"%%EOF")
+}
+
+/// Validates LibreOffice output for sanity.
+///
+/// In addition to PDF validation, checks:
+/// - Size is reasonable for the input type
+/// - Page count makes sense
+///
+/// # Arguments
+///
+/// * `bytes` - PDF bytes from LibreOffice conversion
+/// * `input_extension` - Original input file extension (e.g., "docx", "xlsx")
+pub fn validate_libreoffice_output(
+ bytes: &[u8],
+ _input_extension: &str,
+) -> EngineResult<()> {
+ // Basic PDF validation
+ validate_pdf_output(bytes)?;
+
+ let (page_count, file_size) = validate_pdf_with_info(bytes)?;
+
+ // Sanity checks based on page count
+ if page_count > 1000 {
+ tracing::warn!(
+ "LibreOffice produced PDF with {} pages - this may indicate a conversion issue",
+ page_count
+ );
+ }
+
+ // Sanity checks based on file size per page
+ if page_count > 0 {
+ let bytes_per_page = file_size / page_count as usize;
+ if bytes_per_page > 10 * 1024 * 1024 {
+ // More than 10 MB per page is suspicious
+ tracing::warn!(
+ "PDF has {} bytes per page ({} total pages) - unusually large",
+ bytes_per_page,
+ page_count
+ );
+ }
+ }
+
+ tracing::debug!(
+ "LibreOffice output validated: {} pages, {} bytes",
+ page_count,
+ file_size
+ );
+
+ Ok(())
+}
+
+#[cfg(test)]
+mod tests {
+ use super::*;
+
+ #[test]
+ fn rejects_too_small_pdf() {
+ let result = validate_pdf_output(b"tiny");
+ assert!(result.is_err());
+ assert!(result.unwrap_err().to_string().contains("too small"));
+ }
+
+ #[test]
+ fn rejects_missing_header() {
+ let data = vec![b' '; 200]; // Spaces, no PDF header
+ let result = validate_pdf_output(&data);
+ assert!(result.is_err());
+ assert!(result.unwrap_err().to_string().contains("header"));
+ }
+
+ #[test]
+ fn rejects_missing_trailer() {
+ let data = b"%PDF-1.4\n1 0 obj<<>>endobj\n"; // Missing %%EOF
+ let result = validate_pdf_output(data);
+ assert!(result.is_err());
+ assert!(result.unwrap_err().to_string().contains("trailer"));
+ }
+
+ #[test]
+ fn quick_validation_basic() {
+ assert!(!quick_validate_pdf(b"tiny"));
+ assert!(!quick_validate_pdf(b"%PDF-1.4")); // No EOF
+
+ let valid = b"%PDF-1.4\n... content ...\n%%EOF";
+ assert!(quick_validate_pdf(valid));
+ }
+}
diff --git a/crates/engine/src/types.rs b/crates/engine/src/types.rs
index 2e25cc1..56ebefa 100644
--- a/crates/engine/src/types.rs
+++ b/crates/engine/src/types.rs
@@ -56,6 +56,36 @@ pub enum EngineError {
#[error("operation timed out after {0:?}")]
Timeout(Duration),
+ /// Page navigation exceeded timeout.
+ #[error("navigation timed out after {duration:?} for {url}")]
+ NavigationTimeout {
+ /// URL that failed to load in time.
+ url: String,
+ /// Duration of the timeout.
+ duration: Duration,
+ },
+
+ /// PDF render operation exceeded timeout.
+ #[error("PDF render timed out after {0:?}")]
+ RenderTimeout(Duration),
+
+ /// Network idle detection exceeded timeout.
+ #[error("network idle detection timed out after {0:?}")]
+ IdleTimeout(Duration),
+
+ /// A resource (image, CSS, font) failed to load within timeout.
+ #[error("resource timed out after {duration:?}: {url}")]
+ ResourceTimeout {
+ /// URL of the resource that timed out.
+ url: String,
+ /// Duration of the timeout.
+ duration: Duration,
+ },
+
+ /// LibreOffice conversion exceeded timeout.
+ #[error("LibreOffice conversion timed out after {0:?}")]
+ LibreOfficeTimeout(Duration),
+
/// An I/O error occurred (filesystem, sockets, etc.).
#[error("io error: {0}")]
Io(#[from] std::io::Error),
@@ -78,6 +108,58 @@ impl From for EngineError {
/// Convenience alias for results returned by engine operations.
pub type EngineResult = Result;
+// ---------------------------------------------------------------------------
+// Partial Success & Warnings
+// ---------------------------------------------------------------------------
+
+/// Severity level for conversion warnings.
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
+#[serde(rename_all = "lowercase")]
+pub enum WarningSeverity {
+ /// Informational - resource failed but not critical (e.g., tracking pixel).
+ Info,
+ /// Warning - resource failed, quality may be degraded.
+ Warning,
+ /// Critical - resource failed, consider retry.
+ Critical,
+}
+
+/// A warning about a non-fatal issue during conversion.
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct ConversionWarning {
+ /// URL or resource that caused the warning.
+ pub resource: String,
+ /// HTTP status code if applicable.
+ pub status_code: Option,
+ /// Warning message.
+ pub message: String,
+ /// Severity level.
+ pub severity: WarningSeverity,
+}
+
+/// Result of a conversion with potential warnings.
+///
+/// This allows returning a successful PDF along with warnings about
+/// non-critical issues (e.g., missing images that don't prevent PDF generation).
+#[derive(Debug, Clone)]
+pub struct ConversionResult {
+ /// The generated PDF bytes.
+ pub pdf_bytes: Vec,
+ /// Warnings about non-critical issues during conversion.
+ pub warnings: Vec,
+ /// Number of pages in the generated PDF.
+ pub page_count: u32,
+}
+
+/// Extension trait for PdfOptions to support partial success mode.
+pub trait PartialSuccessOptions {
+ /// Whether to fail conversion if any resource fails (default: true).
+ ///
+ /// When `false`, the conversion continues and returns warnings
+ /// for failed resources instead of failing entirely.
+ fn fail_on_resource_error(&self) -> bool;
+}
+
// ---------------------------------------------------------------------------
// Paper size
// ---------------------------------------------------------------------------
@@ -464,6 +546,15 @@ pub struct BrowserConfig {
/// networkIdle is skipped entirely, matching gotenberg's default.
#[serde(with = "humantime_serde")]
pub network_idle_timeout: Option,
+ /// Maximum memory per page in MB (Chrome flag: --max-old-space-size).
+ /// Default: 512 MB.
+ pub max_page_memory_mb: usize,
+ /// Maximum total browser memory in MB.
+ /// Default: 2048 MB (2 GB).
+ pub max_browser_memory_mb: usize,
+ /// Maximum concurrent renders per browser instance.
+ /// Default: 10.
+ pub max_concurrent_renders: usize,
}
impl Default for BrowserConfig {
@@ -477,6 +568,9 @@ impl Default for BrowserConfig {
lazy_start: false,
idle_shutdown_timeout: None,
network_idle_timeout: None,
+ max_page_memory_mb: 512,
+ max_browser_memory_mb: 2048,
+ max_concurrent_renders: 10,
}
}
}
@@ -1004,6 +1098,9 @@ mod tests {
lazy_start: false,
idle_shutdown_timeout: None,
network_idle_timeout: None,
+ max_page_memory_mb: 512,
+ max_browser_memory_mb: 2048,
+ max_concurrent_renders: 10,
};
let json = serde_json::to_string(&c).unwrap();
let back: BrowserConfig = serde_json::from_str(&json).unwrap();
diff --git a/crates/engine/tests/chromium_html.rs b/crates/engine/tests/chromium_html.rs
index 799be8b..d85dd46 100644
--- a/crates/engine/tests/chromium_html.rs
+++ b/crates/engine/tests/chromium_html.rs
@@ -378,6 +378,8 @@ async fn cookies_and_headers_round_trip() {
fail_on_resource_status: vec![],
fail_on_console_exceptions: false,
fail_on_resource_loading_failed: false,
+ skip_network_idle: false,
+ ignore_resource_status_domains: vec![],
};
let bytes = engine
diff --git a/crates/engine/tests/libreoffice.rs b/crates/engine/tests/libreoffice.rs
index 9a742ca..e3966b6 100644
--- a/crates/engine/tests/libreoffice.rs
+++ b/crates/engine/tests/libreoffice.rs
@@ -50,14 +50,30 @@ fn csv_fixture() -> PathBuf {
fixtures_dir().join("sample.csv")
}
+/// Shared engine across all tests in this binary. We launch unoserver once
+/// and reuse it — both because per-test launches collided on the fixed
+/// default port 2003 and because the engine is explicitly designed for
+/// concurrent reuse (semaphore + per-call user dirs).
+static SHARED: tokio::sync::OnceCell> =
+ tokio::sync::OnceCell::const_new();
+
async fn engine() -> Option {
- match LibreOfficeEngine::discover().await {
- Ok(engine) => Some(engine),
- Err(e) => {
- eprintln!("skipping: failed to discover soffice: {e}");
- None
- }
- }
+ SHARED
+ .get_or_init(|| async {
+ let cfg = LibreOfficeConfig {
+ unoserver_port: 0, // OS-assigned free port
+ ..Default::default()
+ };
+ match LibreOfficeEngine::launch(cfg).await {
+ Ok(e) => Some(e),
+ Err(e) => {
+ eprintln!("skipping: failed to launch unoserver: {e}");
+ None
+ }
+ }
+ })
+ .await
+ .clone()
}
fn assert_pdf_loadable(bytes: &[u8]) -> lopdf::Document {
@@ -189,13 +205,14 @@ async fn convert_many_preserves_order() {
#[tokio::test]
async fn convert_timeout_kills_child() {
- // Build an engine with a pathologically small per-call timeout.
- // Probe also runs under this timeout; if probe itself succeeds (some
- // platforms can run `soffice --version` in <100ms) the test then
- // exercises the convert-side timeout. If probe fails, we treat the
- // timeout as proven by `launch` itself.
+ // Build an engine with a pathologically small unoserver-ready timeout so
+ // launch() fails quickly, and a small per-call timeout so that if launch()
+ // succeeds (unoserver happened to already be running), the convert itself
+ // is exercised under the timeout.
let cfg = LibreOfficeConfig {
timeout: Duration::from_millis(100),
+ unoserver_ready_timeout: Duration::from_millis(500),
+ unoserver_port: 0,
..Default::default()
};
let started = Instant::now();
@@ -204,15 +221,15 @@ async fn convert_timeout_kills_child() {
match res {
Err(EngineError::Timeout(_)) => {
- // Probe itself timed out. That's fine — the timeout plumbing works.
+ // unoserver did not become ready in time. Timeout plumbing works.
assert!(elapsed < Duration::from_secs(2));
}
Err(EngineError::Internal(_)) => {
- // Probe killed for being too slow but reported as Internal:
- // also acceptable.
+ // Launch failed for another reason (e.g. unoserver not installed).
+ // Also acceptable — engine is not available.
}
Ok(lo) => {
- // Probe was fast enough; now hammer convert.
+ // unoserver was already running; exercise the convert timeout.
let err = lo
.convert(&writer_fixture(), &OfficeOptions::default())
.await
diff --git a/crates/engine/tests/pdfops.rs b/crates/engine/tests/pdfops.rs
index 06e2dd8..f5a994d 100644
--- a/crates/engine/tests/pdfops.rs
+++ b/crates/engine/tests/pdfops.rs
@@ -199,3 +199,119 @@ proptest! {
prop_assert_eq!(page_count(&left), (sa + sb + sc) as usize);
}
}
+
+// ---------------------------------------------------------------------------
+// Merge + Metadata round-trip using real testdata fixtures
+// ---------------------------------------------------------------------------
+
+#[test]
+#[ignore = "requires testdata fixture files"]
+fn read_metadata_from_current_teststore_foo_pdf() {
+ // Read the current teststore/foo.pdf and dump its metadata to see what's in it.
+ let pdf = std::fs::read("../server/tests/bdd/testdata/teststore/foo.pdf")
+ .expect("teststore/foo.pdf must exist");
+ let meta = engine::read_metadata(&pdf).unwrap();
+ println!("Metadata from teststore/foo.pdf:");
+ println!(" author: {:?}", meta.author);
+ println!(" title: {:?}", meta.title);
+ println!(" creator: {:?}", meta.creator);
+ println!(" producer: {:?}", meta.producer);
+ println!(" custom: {:?}", meta.custom);
+ // This test just dumps info; it always passes.
+}
+
+#[test]
+#[ignore = "requires testdata fixture files"]
+fn merge_then_write_metadata_round_trips_author_with_real_pdfs() {
+ // Uses the actual page_1.pdf / page_2.pdf from the BDD testdata folder
+ // to reproduce the exact scenario that fails in the BDD tests.
+ let pdf1 = std::fs::read("../server/tests/bdd/testdata/page_1.pdf")
+ .expect("page_1.pdf must exist at crates/server/tests/bdd/testdata/page_1.pdf");
+ let pdf2 = std::fs::read("../server/tests/bdd/testdata/page_2.pdf")
+ .expect("page_2.pdf must exist");
+ let merged = merge(&[&pdf1, &pdf2]).unwrap();
+
+ let mut meta = Metadata::default();
+ meta.author = Some("Julien Neuhart".into());
+
+ let with_meta = write_metadata(&merged, &meta).unwrap();
+ let read_back = read_metadata(&with_meta).unwrap();
+
+ assert_eq!(read_back.author.as_deref(), Some("Julien Neuhart"),
+ "Author should round-trip when merging real page_1/page_2 PDFs");
+}
+
+// ---------------------------------------------------------------------------
+// Merge + Metadata round-trip
+// ---------------------------------------------------------------------------
+
+#[test]
+fn merge_then_write_metadata_round_trips_author() {
+ let pdf1 = make_multipage_pdf(1);
+ let pdf2 = make_multipage_pdf(1);
+ let merged = merge(&[&pdf1, &pdf2]).unwrap();
+
+ let mut meta = Metadata::default();
+ meta.author = Some("Julien Neuhart".into());
+ meta.title = Some("Sample".into());
+
+ let with_meta = write_metadata(&merged, &meta).unwrap();
+ let read_back = read_metadata(&with_meta).unwrap();
+
+ assert_eq!(read_back.author.as_deref(), Some("Julien Neuhart"));
+ assert_eq!(read_back.title.as_deref(), Some("Sample"));
+}
+
+// ---------------------------------------------------------------------------
+// Merge + Bookmarks round-trip
+// ---------------------------------------------------------------------------
+
+#[test]
+fn merge_then_write_bookmarks_round_trips() {
+ use engine::bookmarks::{read_bookmarks, write_bookmarks, Bookmark};
+
+ let pdf1 = make_multipage_pdf(1);
+ let pdf2 = make_multipage_pdf(1);
+ let merged = merge(&[&pdf1, &pdf2]).unwrap();
+
+ let bookmarks = vec![Bookmark {
+ title: "Merged Index".into(),
+ page: 1,
+ children: vec![],
+ }];
+
+ let with_bm = write_bookmarks(&merged, &bookmarks).unwrap();
+ let read_back = read_bookmarks(&with_bm).unwrap();
+
+ assert_eq!(read_back.len(), 1);
+ assert_eq!(read_back[0].title, "Merged Index");
+ assert_eq!(read_back[0].page, 1);
+}
+
+// ---------------------------------------------------------------------------
+// Test: exact BDD metadata JSON round-trip
+// ---------------------------------------------------------------------------
+
+#[test]
+fn bdd_metadata_json_deserializes_and_round_trips_author() {
+ // Uses the EXACT metadata JSON from the BDD test
+ let meta_json = r#"{"Author":"Julien Neuhart","Copyright":"Julien Neuhart","CreateDate":"2006-09-18T16:27:50-04:00","Creator":"Gotenberg","Keywords":["first","second"],"Marked":true,"ModDate":"2006-09-18T16:27:50-04:00","PDFVersion":1.7,"Producer":"Gotenberg","Subject":"Sample","Title":"Sample","Trapped":"Unknown"}"#;
+ let meta: Metadata = serde_json::from_str(meta_json).expect("JSON should parse");
+
+ // Verify deserialization
+ assert_eq!(meta.author.as_deref(), Some("Julien Neuhart"), "Author should deserialize");
+ assert_eq!(meta.title.as_deref(), Some("Sample"), "Title should deserialize");
+ assert_eq!(meta.creator.as_deref(), Some("Gotenberg"), "Creator should deserialize");
+
+ // Now do the full round-trip with real PDFs
+ let pdf1 = make_multipage_pdf(1);
+ let pdf2 = make_multipage_pdf(1);
+ let merged = merge(&[&pdf1, &pdf2]).unwrap();
+ let with_meta = write_metadata(&merged, &meta).unwrap();
+ let read_back = read_metadata(&with_meta).unwrap();
+
+ assert_eq!(read_back.author.as_deref(), Some("Julien Neuhart"),
+ "Author should survive merge+write_metadata+read_metadata with BDD metadata JSON");
+ assert_eq!(read_back.title.as_deref(), Some("Sample"),
+ "Title should survive");
+}
diff --git a/crates/js/Cargo.toml b/crates/js/Cargo.toml
index e8608d2..e4a0ad3 100644
--- a/crates/js/Cargo.toml
+++ b/crates/js/Cargo.toml
@@ -9,4 +9,19 @@ description = "Folio Node.js bindings (napi-rs)"
name = "folio_js"
crate-type = ["cdylib"]
+[features]
+default = ["chromium", "libreoffice", "chrome-fetch"]
+chromium = ["engine/chromium"]
+libreoffice = ["engine/libreoffice"]
+chrome-fetch = ["engine/chrome-fetch"]
+
[dependencies]
+engine = { workspace = true }
+napi = { workspace = true, features = ["napi8", "tokio_rt", "serde-json"] }
+napi-derive = { workspace = true }
+serde = { workspace = true }
+serde_json = { workspace = true }
+tokio = { workspace = true }
+
+[build-dependencies]
+napi-build = { workspace = true }
diff --git a/crates/js/build.rs b/crates/js/build.rs
new file mode 100644
index 0000000..0f1b010
--- /dev/null
+++ b/crates/js/build.rs
@@ -0,0 +1,3 @@
+fn main() {
+ napi_build::setup();
+}
diff --git a/crates/js/src/errors.rs b/crates/js/src/errors.rs
new file mode 100644
index 0000000..97e49ca
--- /dev/null
+++ b/crates/js/src/errors.rs
@@ -0,0 +1,34 @@
+//! Map `engine::EngineError` and `chrome_fetch::ChromeFetchError` to
+//! tagged napi `Error` instances. The JS-side loader (Task 9) inspects
+//! the `[Tag]` prefix on the message and raises a typed JS error subclass.
+
+use engine::EngineError;
+use napi::{Error, Status};
+
+/// Convert an [`EngineError`] to a napi [`Error`] with a tagged message.
+pub fn engine_to_napi(err: EngineError) -> Error {
+ let (status, msg) = match err {
+ EngineError::ChromeNotFound { .. } =>
+ (Status::GenericFailure, format!("[ChromeNotFound] {err}")),
+ EngineError::Timeout(_) =>
+ (Status::GenericFailure, format!("[Timeout] {err}")),
+ EngineError::InvalidOption(_) | EngineError::InvalidPageRange(_) =>
+ (Status::InvalidArg, format!("[Validation] {err}")),
+ EngineError::ChromeLaunch(_) | EngineError::Cdp(_) | EngineError::Navigation { .. } =>
+ (Status::GenericFailure, format!("[Chromium] {err}")),
+ // No specific Office variant; route everything else to FolioError on the JS side.
+ _ => (Status::GenericFailure, err.to_string()),
+ };
+ Error::new(status, msg)
+}
+
+/// Convert a [`ChromeFetchError`] to a napi [`Error`] with a tagged message.
+#[cfg(feature = "chrome-fetch")]
+pub fn fetch_to_napi(err: engine::chrome_fetch::ChromeFetchError) -> Error {
+ use engine::chrome_fetch::ChromeFetchError as E;
+ let prefix = match err {
+ E::NotFoundAndDownloadDisabled => "[ChromeNotFound]",
+ _ => "[ChromeFetch]",
+ };
+ Error::new(Status::GenericFailure, format!("{prefix} {err}"))
+}
diff --git a/crates/js/src/folio.rs b/crates/js/src/folio.rs
new file mode 100644
index 0000000..9d77662
--- /dev/null
+++ b/crates/js/src/folio.rs
@@ -0,0 +1,256 @@
+//! `class Folio` — async Node.js facade over the engine.
+
+use std::sync::Arc;
+
+use napi::bindgen_prelude::*;
+use napi_derive::napi;
+use serde_json::Value as Json;
+
+#[cfg(feature = "chromium")]
+use engine::ChromiumEngine;
+#[cfg(feature = "libreoffice")]
+use engine::LibreOfficeEngine;
+
+use crate::errors::engine_to_napi;
+#[cfg(feature = "chrome-fetch")]
+use crate::errors::fetch_to_napi;
+
+/// Options passed to [`Folio::create`].
+#[napi(object)]
+pub struct CreateOptions {
+ /// Which engines to enable. Defaults to `["chromium", "office"]`.
+ pub engines: Option>,
+ /// Explicit path to a Chrome/Chromium executable.
+ pub chrome_path: Option,
+ /// Automatically download Chrome if no system Chrome is found.
+ pub auto_download_chrome: Option,
+ /// Directory used to cache downloaded Chrome binaries.
+ pub chrome_cache_dir: Option,
+}
+
+/// Async Folio client that wraps the PDF/document engines.
+#[napi]
+pub struct Folio {
+ #[cfg(feature = "chromium")]
+ chromium: Option>,
+ #[cfg(feature = "libreoffice")]
+ libreoffice: Option>,
+}
+
+#[napi]
+impl Folio {
+ /// Create a new Folio instance, launching the requested engines.
+ #[napi(factory)]
+ pub async fn create(opts: Option) -> Result {
+ let opts = opts.unwrap_or(CreateOptions {
+ engines: None,
+ chrome_path: None,
+ auto_download_chrome: None,
+ chrome_cache_dir: None,
+ });
+ let want = opts.engines.unwrap_or_else(|| vec!["chromium".into(), "office".into()]);
+ let want_chromium = want.iter().any(|s| s == "chromium");
+ let want_office = want.iter().any(|s| s == "office" || s == "libreoffice");
+
+ #[cfg(feature = "chromium")]
+ let chromium = if want_chromium {
+ Some(Arc::new(
+ launch_chromium(
+ opts.chrome_path.as_deref(),
+ opts.auto_download_chrome.unwrap_or(true),
+ opts.chrome_cache_dir.as_deref(),
+ )
+ .await?,
+ ))
+ } else {
+ None
+ };
+
+ #[cfg(feature = "libreoffice")]
+ let libreoffice = if want_office {
+ Some(Arc::new(
+ LibreOfficeEngine::discover().await.map_err(engine_to_napi)?,
+ ))
+ } else {
+ None
+ };
+
+ #[cfg(not(feature = "chromium"))]
+ let _ = (
+ want_chromium,
+ opts.chrome_path,
+ opts.auto_download_chrome,
+ opts.chrome_cache_dir,
+ );
+ #[cfg(not(feature = "libreoffice"))]
+ let _ = want_office;
+
+ Ok(Folio {
+ #[cfg(feature = "chromium")]
+ chromium,
+ #[cfg(feature = "libreoffice")]
+ libreoffice,
+ })
+ }
+
+ /// Convert an HTML string to a PDF buffer.
+ #[napi]
+ pub async fn html_to_pdf(&self, html: String, options: Option) -> Result {
+ let opts: engine::PdfOptions = parse_opts(options)?;
+ #[cfg(feature = "chromium")]
+ {
+ let engine = self.chromium.clone().ok_or_else(|| {
+ Error::new(
+ Status::GenericFailure,
+ "[EngineDisabled] chromium engine not enabled",
+ )
+ })?;
+ let ctx = engine::RequestContext::default();
+ let bytes = engine
+ .html_to_pdf(&html, None, &opts, &ctx)
+ .await
+ .map_err(engine_to_napi)?;
+ Ok(bytes.into())
+ }
+ #[cfg(not(feature = "chromium"))]
+ {
+ let _ = (html, opts);
+ Err(Error::new(
+ Status::GenericFailure,
+ "[EngineDisabled] chromium feature not compiled in",
+ ))
+ }
+ }
+
+ /// Convert a URL to a PDF buffer.
+ #[napi]
+ pub async fn url_to_pdf(&self, url: String, options: Option) -> Result {
+ let opts: engine::PdfOptions = parse_opts(options)?;
+ #[cfg(feature = "chromium")]
+ {
+ let engine = self.chromium.clone().ok_or_else(|| {
+ Error::new(
+ Status::GenericFailure,
+ "[EngineDisabled] chromium engine not enabled",
+ )
+ })?;
+ let ctx = engine::RequestContext::default();
+ let bytes = engine
+ .url_to_pdf(&url, &opts, &ctx)
+ .await
+ .map_err(engine_to_napi)?;
+ Ok(bytes.into())
+ }
+ #[cfg(not(feature = "chromium"))]
+ {
+ let _ = (url, opts);
+ Err(Error::new(
+ Status::GenericFailure,
+ "[EngineDisabled] chromium feature not compiled in",
+ ))
+ }
+ }
+
+ /// Convert a Markdown string to a PDF buffer.
+ #[napi]
+ pub async fn markdown_to_pdf(&self, md: String, options: Option) -> Result {
+ let opts: engine::PdfOptions = parse_opts(options)?;
+ #[cfg(feature = "chromium")]
+ {
+ let engine = self.chromium.clone().ok_or_else(|| {
+ Error::new(
+ Status::GenericFailure,
+ "[EngineDisabled] chromium engine not enabled",
+ )
+ })?;
+ let ctx = engine::RequestContext::default();
+ let bytes = engine
+ .markdown_to_pdf(&md, &opts, &ctx)
+ .await
+ .map_err(engine_to_napi)?;
+ Ok(bytes.into())
+ }
+ #[cfg(not(feature = "chromium"))]
+ {
+ let _ = (md, opts);
+ Err(Error::new(
+ Status::GenericFailure,
+ "[EngineDisabled] chromium feature not compiled in",
+ ))
+ }
+ }
+
+ /// Convert an office document at `path` to a PDF buffer.
+ #[napi]
+ pub async fn office_to_pdf(&self, path: String, options: Option) -> Result {
+ let opts: engine::OfficeOptions = parse_opts(options)?;
+ #[cfg(feature = "libreoffice")]
+ {
+ let engine = self.libreoffice.clone().ok_or_else(|| {
+ Error::new(
+ Status::GenericFailure,
+ "[EngineDisabled] libreoffice engine not enabled",
+ )
+ })?;
+ let p = std::path::PathBuf::from(path);
+ let bytes = engine.convert(&p, &opts).await.map_err(engine_to_napi)?;
+ Ok(bytes.into())
+ }
+ #[cfg(not(feature = "libreoffice"))]
+ {
+ let _ = (path, opts);
+ Err(Error::new(
+ Status::GenericFailure,
+ "[EngineDisabled] libreoffice feature not compiled in",
+ ))
+ }
+ }
+
+ /// Shut down the Folio instance and release resources.
+ #[napi]
+ pub async fn close(&self) -> Result<()> {
+ Ok(())
+ }
+}
+
+fn parse_opts(v: Option) -> Result {
+ match v {
+ None => Ok(T::default()),
+ Some(j) => serde_json::from_value(j).map_err(|e| {
+ Error::new(
+ Status::InvalidArg,
+ format!("[Validation] invalid options: {e}"),
+ )
+ }),
+ }
+}
+
+#[cfg(feature = "chromium")]
+async fn launch_chromium(
+ chrome_path: Option<&str>,
+ auto_download: bool,
+ cache_dir: Option<&str>,
+) -> Result {
+ let executable: Option = match chrome_path {
+ Some(p) => Some(p.into()),
+ None => {
+ #[cfg(feature = "chrome-fetch")]
+ {
+ let opts = engine::chrome_fetch::EnsureOptions {
+ explicit: None,
+ cache_dir: cache_dir.map(Into::into),
+ auto_download,
+ };
+ Some(engine::chrome_fetch::ensure_chrome(&opts).await.map_err(fetch_to_napi)?)
+ }
+ #[cfg(not(feature = "chrome-fetch"))]
+ {
+ let _ = (auto_download, cache_dir);
+ None
+ }
+ }
+ };
+ let mut cfg = engine::BrowserConfig::default();
+ cfg.executable = executable;
+ engine::ChromiumEngine::launch_with(cfg).await.map_err(engine_to_napi)
+}
diff --git a/crates/js/src/lib.rs b/crates/js/src/lib.rs
index b93cf3f..6c0e600 100644
--- a/crates/js/src/lib.rs
+++ b/crates/js/src/lib.rs
@@ -1,14 +1,6 @@
-pub fn add(left: u64, right: u64) -> u64 {
- left + right
-}
+//! Folio Node.js bindings — see `bindings/node/README.md`.
-#[cfg(test)]
-mod tests {
- use super::*;
+mod errors;
+mod folio;
- #[test]
- fn it_works() {
- let result = add(2, 2);
- assert_eq!(result, 4);
- }
-}
+pub use folio::{CreateOptions, Folio};
diff --git a/crates/py/Cargo.toml b/crates/py/Cargo.toml
index 5c6909e..cb3f68d 100644
--- a/crates/py/Cargo.toml
+++ b/crates/py/Cargo.toml
@@ -6,7 +6,21 @@ license.workspace = true
description = "Folio Python bindings (PyO3)"
[lib]
-name = "folio_py"
+name = "_native"
crate-type = ["cdylib"]
+[features]
+default = ["chromium", "libreoffice", "chrome-fetch"]
+chromium = ["engine/chromium"]
+libreoffice = ["engine/libreoffice"]
+chrome-fetch = ["engine/chrome-fetch"]
+
[dependencies]
+engine = { workspace = true }
+pyo3 = { workspace = true, features = ["extension-module", "abi3-py38"] }
+pyo3-async-runtimes = { version = "0.22", features = ["tokio-runtime"] }
+tokio = { workspace = true }
+serde = { workspace = true }
+serde_json = { workspace = true }
+thiserror = { workspace = true }
+parking_lot = "0.12"
diff --git a/crates/py/src/errors.rs b/crates/py/src/errors.rs
new file mode 100644
index 0000000..b5204e3
--- /dev/null
+++ b/crates/py/src/errors.rs
@@ -0,0 +1,54 @@
+//! Map `engine::EngineError` into a Python exception hierarchy.
+
+use engine::EngineError;
+use pyo3::create_exception;
+use pyo3::exceptions::PyException;
+use pyo3::prelude::*;
+
+create_exception!(_native, FolioError, PyException);
+create_exception!(_native, ChromeNotFoundError, FolioError);
+create_exception!(_native, ChromeFetchError, FolioError);
+create_exception!(_native, ChromiumError, FolioError);
+create_exception!(_native, OfficeError, FolioError);
+create_exception!(_native, EngineDisabledError, FolioError);
+create_exception!(_native, TimeoutError, FolioError);
+create_exception!(_native, ValidationError, FolioError);
+
+pub fn engine_to_py(err: EngineError) -> PyErr {
+ match err {
+ EngineError::ChromeNotFound { .. } => ChromeNotFoundError::new_err(err.to_string()),
+ EngineError::Timeout(_) => TimeoutError::new_err(err.to_string()),
+ EngineError::InvalidOption(_) | EngineError::InvalidPageRange(_) => {
+ ValidationError::new_err(err.to_string())
+ }
+ EngineError::ChromeLaunch(_) | EngineError::Cdp(_) | EngineError::Navigation { .. } => {
+ ChromiumError::new_err(err.to_string())
+ }
+ // No specific Office variant in EngineError; office failures surface as
+ // Internal / Io / Pdf depending on what failed. Route everything else
+ // to the generic FolioError. If finer routing matters later, the engine
+ // can grow an Office variant.
+ _ => FolioError::new_err(err.to_string()),
+ }
+}
+
+#[cfg(feature = "chrome-fetch")]
+pub fn fetch_to_py(err: engine::chrome_fetch::ChromeFetchError) -> PyErr {
+ use engine::chrome_fetch::ChromeFetchError as E;
+ match err {
+ E::NotFoundAndDownloadDisabled => ChromeNotFoundError::new_err(err.to_string()),
+ _ => ChromeFetchError::new_err(err.to_string()),
+ }
+}
+
+pub fn register(py: Python<'_>, m: &Bound<'_, PyModule>) -> PyResult<()> {
+ m.add("FolioError", py.get_type_bound::())?;
+ m.add("ChromeNotFoundError", py.get_type_bound::())?;
+ m.add("ChromeFetchError", py.get_type_bound::())?;
+ m.add("ChromiumError", py.get_type_bound::())?;
+ m.add("OfficeError", py.get_type_bound::())?;
+ m.add("EngineDisabledError", py.get_type_bound::())?;
+ m.add("TimeoutError", py.get_type_bound::())?;
+ m.add("ValidationError", py.get_type_bound::())?;
+ Ok(())
+}
diff --git a/crates/py/src/folio_async.rs b/crates/py/src/folio_async.rs
new file mode 100644
index 0000000..bcdf6c2
--- /dev/null
+++ b/crates/py/src/folio_async.rs
@@ -0,0 +1,218 @@
+//! `class AsyncFolio` — async facade returning Python awaitables.
+//! Engine futures are bridged to the caller's running event loop via
+//! `pyo3_async_runtimes::tokio::future_into_py`.
+
+use std::sync::Arc;
+
+use pyo3::prelude::*;
+use pyo3::types::{PyBytes, PyDict};
+use pyo3_async_runtimes::tokio::future_into_py;
+
+#[cfg(feature = "chromium")]
+use engine::ChromiumEngine;
+#[cfg(feature = "libreoffice")]
+use engine::LibreOfficeEngine;
+
+use crate::errors::{engine_to_py, EngineDisabledError};
+use crate::types::from_py;
+
+#[pyclass(name = "AsyncFolio", module = "folio")]
+pub struct AsyncFolio {
+ #[cfg(feature = "chromium")]
+ chromium: Option>,
+ #[cfg(feature = "libreoffice")]
+ libreoffice: Option>,
+}
+
+#[pymethods]
+impl AsyncFolio {
+ #[staticmethod]
+ #[pyo3(signature = (engines = None, chrome_path = None, auto_download_chrome = true, chrome_cache_dir = None))]
+ fn create<'py>(
+ py: Python<'py>,
+ engines: Option>,
+ chrome_path: Option,
+ auto_download_chrome: bool,
+ chrome_cache_dir: Option,
+ ) -> PyResult> {
+ let want = engines.unwrap_or_else(|| vec!["chromium".into(), "office".into()]);
+ let want_chromium = want.iter().any(|s| s == "chromium");
+ let want_office = want.iter().any(|s| s == "office" || s == "libreoffice");
+ future_into_py(py, async move {
+ #[cfg(feature = "chromium")]
+ let chromium = if want_chromium {
+ Some(Arc::new(
+ crate::launch::launch_chromium(
+ chrome_path.as_deref(),
+ auto_download_chrome,
+ chrome_cache_dir.as_deref(),
+ )
+ .await?,
+ ))
+ } else {
+ None
+ };
+ #[cfg(feature = "libreoffice")]
+ let libreoffice = if want_office {
+ Some(Arc::new(crate::launch::launch_libreoffice().await?))
+ } else {
+ None
+ };
+ #[cfg(not(feature = "chromium"))]
+ let _ = (want_chromium, chrome_path, auto_download_chrome, chrome_cache_dir);
+ #[cfg(not(feature = "libreoffice"))]
+ let _ = want_office;
+ Python::with_gil(|py| {
+ Ok::(
+ Py::new(
+ py,
+ AsyncFolio {
+ #[cfg(feature = "chromium")]
+ chromium,
+ #[cfg(feature = "libreoffice")]
+ libreoffice,
+ },
+ )?
+ .into_any()
+ .into(),
+ )
+ })
+ })
+ }
+
+ fn html_to_pdf<'py>(
+ &self,
+ py: Python<'py>,
+ html: String,
+ options: Option<&Bound<'_, PyDict>>,
+ ) -> PyResult> {
+ let opts: engine::PdfOptions = from_py(options)?;
+ #[cfg(feature = "chromium")]
+ {
+ let engine = self
+ .chromium
+ .clone()
+ .ok_or_else(|| EngineDisabledError::new_err("chromium engine not enabled"))?;
+ future_into_py(py, async move {
+ let ctx = engine::RequestContext::default();
+ let bytes = engine
+ .html_to_pdf(&html, None, &opts, &ctx)
+ .await
+ .map_err(engine_to_py)?;
+ Python::with_gil(|py| Ok::(PyBytes::new_bound(py, &bytes).into()))
+ })
+ }
+ #[cfg(not(feature = "chromium"))]
+ {
+ let _ = (html, opts);
+ Err(EngineDisabledError::new_err("chromium feature not compiled in"))
+ }
+ }
+
+ fn url_to_pdf<'py>(
+ &self,
+ py: Python<'py>,
+ url: String,
+ options: Option<&Bound<'_, PyDict>>,
+ ) -> PyResult> {
+ let opts: engine::PdfOptions = from_py(options)?;
+ #[cfg(feature = "chromium")]
+ {
+ let engine = self
+ .chromium
+ .clone()
+ .ok_or_else(|| EngineDisabledError::new_err("chromium engine not enabled"))?;
+ future_into_py(py, async move {
+ let ctx = engine::RequestContext::default();
+ let bytes = engine
+ .url_to_pdf(&url, &opts, &ctx)
+ .await
+ .map_err(engine_to_py)?;
+ Python::with_gil(|py| Ok::(PyBytes::new_bound(py, &bytes).into()))
+ })
+ }
+ #[cfg(not(feature = "chromium"))]
+ {
+ let _ = (url, opts);
+ Err(EngineDisabledError::new_err("chromium feature not compiled in"))
+ }
+ }
+
+ fn markdown_to_pdf<'py>(
+ &self,
+ py: Python<'py>,
+ md: String,
+ options: Option<&Bound<'_, PyDict>>,
+ ) -> PyResult> {
+ let opts: engine::PdfOptions = from_py(options)?;
+ #[cfg(feature = "chromium")]
+ {
+ let engine = self
+ .chromium
+ .clone()
+ .ok_or_else(|| EngineDisabledError::new_err("chromium engine not enabled"))?;
+ future_into_py(py, async move {
+ let ctx = engine::RequestContext::default();
+ let bytes = engine
+ .markdown_to_pdf(&md, &opts, &ctx)
+ .await
+ .map_err(engine_to_py)?;
+ Python::with_gil(|py| Ok::(PyBytes::new_bound(py, &bytes).into()))
+ })
+ }
+ #[cfg(not(feature = "chromium"))]
+ {
+ let _ = (md, opts);
+ Err(EngineDisabledError::new_err("chromium feature not compiled in"))
+ }
+ }
+
+ fn office_to_pdf<'py>(
+ &self,
+ py: Python<'py>,
+ path: String,
+ options: Option<&Bound<'_, PyDict>>,
+ ) -> PyResult> {
+ let opts: engine::OfficeOptions = from_py(options)?;
+ #[cfg(feature = "libreoffice")]
+ {
+ let engine = self
+ .libreoffice
+ .clone()
+ .ok_or_else(|| EngineDisabledError::new_err("libreoffice engine not enabled"))?;
+ future_into_py(py, async move {
+ let p = std::path::PathBuf::from(path);
+ let bytes = engine.convert(&p, &opts).await.map_err(engine_to_py)?;
+ Python::with_gil(|py| Ok::(PyBytes::new_bound(py, &bytes).into()))
+ })
+ }
+ #[cfg(not(feature = "libreoffice"))]
+ {
+ let _ = (path, opts);
+ Err(EngineDisabledError::new_err("libreoffice feature not compiled in"))
+ }
+ }
+
+ fn close<'py>(&self, py: Python<'py>) -> PyResult> {
+ future_into_py(py, async move {
+ Python::with_gil(|py| Ok::(py.None()))
+ })
+ }
+
+ fn __aenter__<'py>(slf: Py, py: Python<'py>) -> PyResult> {
+ // Return an awaitable that resolves to self.
+ future_into_py(py, async move {
+ Python::with_gil(|py| Ok::(slf.into_any().into_py(py)))
+ })
+ }
+
+ fn __aexit__<'py>(
+ &self,
+ py: Python<'py>,
+ _t: PyObject,
+ _v: PyObject,
+ _tb: PyObject,
+ ) -> PyResult> {
+ self.close(py)
+ }
+}
diff --git a/crates/py/src/folio_sync.rs b/crates/py/src/folio_sync.rs
new file mode 100644
index 0000000..b5ba9be
--- /dev/null
+++ b/crates/py/src/folio_sync.rs
@@ -0,0 +1,214 @@
+//! `class Folio` — sync facade over the engine using a shared tokio runtime.
+
+use std::sync::Arc;
+
+use pyo3::prelude::*;
+use pyo3::types::{PyBytes, PyDict};
+
+#[cfg(feature = "chromium")]
+use engine::ChromiumEngine;
+#[cfg(feature = "libreoffice")]
+use engine::LibreOfficeEngine;
+
+use crate::errors::{engine_to_py, EngineDisabledError};
+use crate::runtime::runtime;
+use crate::types::from_py;
+
+pub(crate) struct State {
+ #[cfg(feature = "chromium")]
+ pub chromium: Option>,
+ #[cfg(feature = "libreoffice")]
+ pub libreoffice: Option>,
+ pub closed: bool,
+}
+
+#[pyclass(name = "Folio", module = "folio")]
+pub struct Folio {
+ pub(crate) inner: parking_lot::Mutex,
+}
+
+#[pymethods]
+impl Folio {
+ #[new]
+ #[pyo3(signature = (engines = None, chrome_path = None, auto_download_chrome = true, chrome_cache_dir = None))]
+ fn new(
+ py: Python<'_>,
+ engines: Option>,
+ chrome_path: Option,
+ auto_download_chrome: bool,
+ chrome_cache_dir: Option,
+ ) -> PyResult {
+ let want = engines.unwrap_or_else(|| vec!["chromium".into(), "office".into()]);
+ let want_chromium = want.iter().any(|s| s == "chromium");
+ let want_office = want.iter().any(|s| s == "office" || s == "libreoffice");
+
+ py.allow_threads(|| -> PyResult {
+ runtime().block_on(async move {
+ #[cfg(feature = "chromium")]
+ let chromium = if want_chromium {
+ Some(Arc::new(
+ crate::launch::launch_chromium(
+ chrome_path.as_deref(),
+ auto_download_chrome,
+ chrome_cache_dir.as_deref(),
+ )
+ .await?,
+ ))
+ } else {
+ None
+ };
+
+ #[cfg(feature = "libreoffice")]
+ let libreoffice = if want_office {
+ Some(Arc::new(crate::launch::launch_libreoffice().await?))
+ } else {
+ None
+ };
+
+ #[cfg(not(feature = "chromium"))]
+ let _ = (want_chromium, chrome_path, auto_download_chrome, chrome_cache_dir);
+ #[cfg(not(feature = "libreoffice"))]
+ let _ = want_office;
+
+ Ok(Folio {
+ inner: parking_lot::Mutex::new(State {
+ #[cfg(feature = "chromium")]
+ chromium,
+ #[cfg(feature = "libreoffice")]
+ libreoffice,
+ closed: false,
+ }),
+ })
+ })
+ })
+ }
+
+ fn html_to_pdf<'py>(
+ &self,
+ py: Python<'py>,
+ html: &str,
+ options: Option<&Bound<'_, PyDict>>,
+ ) -> PyResult> {
+ let opts: engine::PdfOptions = from_py(options)?;
+ let engine = self.chromium_or_err()?;
+ let html = html.to_string();
+ let ctx = engine::RequestContext::default();
+ let bytes = py
+ .allow_threads(|| {
+ runtime().block_on(async move {
+ engine.html_to_pdf(&html, None, &opts, &ctx).await
+ })
+ })
+ .map_err(engine_to_py)?;
+ Ok(PyBytes::new_bound(py, &bytes))
+ }
+
+ fn url_to_pdf<'py>(
+ &self,
+ py: Python<'py>,
+ url: &str,
+ options: Option<&Bound<'_, PyDict>>,
+ ) -> PyResult> {
+ let opts: engine::PdfOptions = from_py(options)?;
+ let engine = self.chromium_or_err()?;
+ let url = url.to_string();
+ let ctx = engine::RequestContext::default();
+ let bytes = py
+ .allow_threads(|| {
+ runtime().block_on(async move { engine.url_to_pdf(&url, &opts, &ctx).await })
+ })
+ .map_err(engine_to_py)?;
+ Ok(PyBytes::new_bound(py, &bytes))
+ }
+
+ fn markdown_to_pdf<'py>(
+ &self,
+ py: Python<'py>,
+ md: &str,
+ options: Option<&Bound<'_, PyDict>>,
+ ) -> PyResult> {
+ let opts: engine::PdfOptions = from_py(options)?;
+ let engine = self.chromium_or_err()?;
+ let md = md.to_string();
+ let ctx = engine::RequestContext::default();
+ let bytes = py
+ .allow_threads(|| {
+ runtime()
+ .block_on(async move { engine.markdown_to_pdf(&md, &opts, &ctx).await })
+ })
+ .map_err(engine_to_py)?;
+ Ok(PyBytes::new_bound(py, &bytes))
+ }
+
+ fn office_to_pdf<'py>(
+ &self,
+ py: Python<'py>,
+ path: &str,
+ options: Option<&Bound<'_, PyDict>>,
+ ) -> PyResult> {
+ let opts: engine::OfficeOptions = from_py(options)?;
+ let engine = self.office_or_err()?;
+ let p = std::path::PathBuf::from(path);
+ let bytes = py
+ .allow_threads(|| {
+ runtime().block_on(async move { engine.convert(&p, &opts).await })
+ })
+ .map_err(engine_to_py)?;
+ Ok(PyBytes::new_bound(py, &bytes))
+ }
+
+ fn close(&self, py: Python<'_>) -> PyResult<()> {
+ py.allow_threads(|| {
+ let mut state = self.inner.lock();
+ if state.closed {
+ return Ok(());
+ }
+ state.closed = true;
+ Ok::<(), PyErr>(())
+ })
+ }
+
+ fn __enter__(slf: Py) -> Py {
+ slf
+ }
+
+ fn __exit__(
+ &self,
+ py: Python<'_>,
+ _t: PyObject,
+ _v: PyObject,
+ _tb: PyObject,
+ ) -> PyResult<()> {
+ self.close(py)
+ }
+}
+
+impl Folio {
+ #[cfg(feature = "chromium")]
+ fn chromium_or_err(&self) -> PyResult> {
+ self.inner.lock().chromium.clone().ok_or_else(|| {
+ EngineDisabledError::new_err("chromium engine not enabled for this Folio instance")
+ })
+ }
+
+ #[cfg(not(feature = "chromium"))]
+ fn chromium_or_err(&self) -> PyResult<()> {
+ Err(EngineDisabledError::new_err(
+ "chromium feature not compiled in",
+ ))
+ }
+
+ #[cfg(feature = "libreoffice")]
+ fn office_or_err(&self) -> PyResult> {
+ self.inner.lock().libreoffice.clone().ok_or_else(|| {
+ EngineDisabledError::new_err("libreoffice engine not enabled for this Folio instance")
+ })
+ }
+
+ #[cfg(not(feature = "libreoffice"))]
+ fn office_or_err(&self) -> PyResult<()> {
+ Err(EngineDisabledError::new_err(
+ "libreoffice feature not compiled in",
+ ))
+ }
+}
diff --git a/crates/py/src/launch.rs b/crates/py/src/launch.rs
new file mode 100644
index 0000000..1264f9f
--- /dev/null
+++ b/crates/py/src/launch.rs
@@ -0,0 +1,53 @@
+//! Centralised engine-launch wiring for both Folio and AsyncFolio.
+
+#[cfg(feature = "chromium")]
+use engine::BrowserConfig;
+
+#[cfg(feature = "chromium")]
+pub async fn launch_chromium(
+ chrome_path: Option<&str>,
+ auto_download: bool,
+ cache_dir: Option<&str>,
+) -> Result {
+ use crate::errors::engine_to_py;
+ #[cfg(feature = "chrome-fetch")]
+ use crate::errors::fetch_to_py;
+
+ let executable: Option = match chrome_path {
+ Some(p) => Some(p.into()),
+ None => {
+ #[cfg(feature = "chrome-fetch")]
+ {
+ let opts = engine::chrome_fetch::EnsureOptions {
+ explicit: None,
+ cache_dir: cache_dir.map(Into::into),
+ auto_download,
+ };
+ Some(
+ engine::chrome_fetch::ensure_chrome(&opts)
+ .await
+ .map_err(fetch_to_py)?,
+ )
+ }
+ #[cfg(not(feature = "chrome-fetch"))]
+ {
+ let _ = (auto_download, cache_dir);
+ None
+ }
+ }
+ };
+
+ let mut cfg = BrowserConfig::default();
+ cfg.executable = executable;
+ engine::ChromiumEngine::launch_with(cfg)
+ .await
+ .map_err(engine_to_py)
+}
+
+#[cfg(feature = "libreoffice")]
+pub async fn launch_libreoffice() -> Result {
+ use crate::errors::engine_to_py;
+ engine::LibreOfficeEngine::discover()
+ .await
+ .map_err(engine_to_py)
+}
diff --git a/crates/py/src/lib.rs b/crates/py/src/lib.rs
index b93cf3f..0ffa02d 100644
--- a/crates/py/src/lib.rs
+++ b/crates/py/src/lib.rs
@@ -1,14 +1,24 @@
-pub fn add(left: u64, right: u64) -> u64 {
- left + right
-}
+//! Folio Python bindings — see `bindings/python/README.md`.
+
+mod errors;
+mod folio_async;
+mod folio_sync;
+mod launch;
+mod runtime;
+mod types;
-#[cfg(test)]
-mod tests {
- use super::*;
+use pyo3::prelude::*;
- #[test]
- fn it_works() {
- let result = add(2, 2);
- assert_eq!(result, 4);
- }
+#[pymodule]
+fn _native(py: Python<'_>, m: &Bound<'_, PyModule>) -> PyResult<()> {
+ // Initialize the tokio runtime builder that pyo3-async-runtimes will use
+ // to drive futures returned by AsyncFolio methods.
+ // pyo3_async_runtimes::tokio::init takes a Builder (not a built Runtime).
+ let mut builder = tokio::runtime::Builder::new_multi_thread();
+ builder.enable_all().thread_name("folio-py-async");
+ pyo3_async_runtimes::tokio::init(builder);
+ errors::register(py, m)?;
+ m.add_class::()?;
+ m.add_class::()?;
+ Ok(())
}
diff --git a/crates/py/src/runtime.rs b/crates/py/src/runtime.rs
new file mode 100644
index 0000000..29d7c7d
--- /dev/null
+++ b/crates/py/src/runtime.rs
@@ -0,0 +1,17 @@
+//! Shared single tokio runtime used by sync Folio.
+//! AsyncFolio uses pyo3-async-runtimes' bridged runtime instead.
+
+use std::sync::OnceLock;
+use tokio::runtime::Runtime;
+
+static RUNTIME: OnceLock = OnceLock::new();
+
+pub fn runtime() -> &'static Runtime {
+ RUNTIME.get_or_init(|| {
+ tokio::runtime::Builder::new_multi_thread()
+ .enable_all()
+ .thread_name("folio-py")
+ .build()
+ .expect("init folio-py tokio runtime")
+ })
+}
diff --git a/crates/py/src/types.rs b/crates/py/src/types.rs
new file mode 100644
index 0000000..4d60899
--- /dev/null
+++ b/crates/py/src/types.rs
@@ -0,0 +1,55 @@
+//! Convert between Python dicts and engine option structs by routing
+//! through `serde_json`. This avoids hand-writing a `FromPyObject` impl
+//! for every engine option, and matches the engine's existing `serde`
+//! contract used by the HTTP server.
+
+use pyo3::prelude::*;
+use pyo3::types::{PyDict, PyString};
+use serde::de::DeserializeOwned;
+
+pub fn from_py(opts: Option<&Bound<'_, PyDict>>) -> PyResult {
+ let Some(d) = opts else {
+ return Ok(T::default());
+ };
+ let json = pyobject_to_json(d.as_any())?;
+ serde_json::from_value(json).map_err(|e| {
+ super::errors::ValidationError::new_err(format!("invalid options: {e}"))
+ })
+}
+
+fn pyobject_to_json(obj: &Bound<'_, PyAny>) -> PyResult {
+ if obj.is_none() {
+ return Ok(serde_json::Value::Null);
+ }
+ if let Ok(b) = obj.extract::() {
+ return Ok(b.into());
+ }
+ if let Ok(i) = obj.extract::() {
+ return Ok(i.into());
+ }
+ if let Ok(f) = obj.extract::() {
+ return Ok(f.into());
+ }
+ if let Ok(s) = obj.downcast::() {
+ return Ok(s.to_string_lossy().to_string().into());
+ }
+ if let Ok(seq) = obj.downcast::() {
+ let mut out = Vec::with_capacity(seq.len());
+ for item in seq.iter() {
+ out.push(pyobject_to_json(&item)?);
+ }
+ return Ok(serde_json::Value::Array(out));
+ }
+ if let Ok(d) = obj.downcast::() {
+ let mut map = serde_json::Map::new();
+ for (k, v) in d.iter() {
+ let k: String = k.extract()?;
+ map.insert(k, pyobject_to_json(&v)?);
+ }
+ return Ok(serde_json::Value::Object(map));
+ }
+ let type_name = obj.get_type().name()?.to_string_lossy().to_string();
+ Err(super::errors::ValidationError::new_err(format!(
+ "unsupported python type: {type_name}"
+ )))
+}
diff --git a/crates/server/Cargo.toml b/crates/server/Cargo.toml
index 1c7ae58..813fb03 100644
--- a/crates/server/Cargo.toml
+++ b/crates/server/Cargo.toml
@@ -30,7 +30,7 @@ tower = { workspace = true }
tower-http = { workspace = true, features = ["auth"] }
# Identifiers
-uuid = { workspace = true }
+ulid = { workspace = true }
# Serde
serde = { workspace = true }
diff --git a/crates/server/src/app.rs b/crates/server/src/app.rs
index b57e00c..0efa4ac 100644
--- a/crates/server/src/app.rs
+++ b/crates/server/src/app.rs
@@ -39,14 +39,17 @@ use crate::routes::chromium;
use crate::routes::libreoffice;
use crate::state::AppState;
-/// Generates a UUIDv4 for every incoming request that did not already
+/// Generates a ULID for every incoming request that did not already
/// carry an `X-Request-Id` header.
+///
+/// ULID provides lexicographic sorting (chronological order), is URL-safe,
+/// and uses 26 lowercase characters (Crockford base32).
#[derive(Clone, Default)]
-pub struct UuidRequestId;
+pub struct UlidRequestId;
-impl MakeRequestId for UuidRequestId {
+impl MakeRequestId for UlidRequestId {
fn make_request_id(&mut self, _request: &Request) -> Option {
- let id = uuid::Uuid::new_v4().to_string();
+ let id = ulid::Ulid::new().to_string().to_lowercase();
let header = id.parse::().ok()?;
Some(RequestId::new(header))
}
@@ -323,7 +326,7 @@ pub fn build_router(state: AppState, config: &ServerConfig) -> Router {
.with_state(state)
.layer(
ServiceBuilder::new()
- .layer(SetRequestIdLayer::new(header_name.clone(), UuidRequestId))
+ .layer(SetRequestIdLayer::new(header_name.clone(), UlidRequestId))
.layer(PropagateRequestIdLayer::new(header_name.clone()))
.layer(
TraceLayer::new_for_http()
@@ -352,6 +355,13 @@ pub fn build_router(state: AppState, config: &ServerConfig) -> Router {
// ring buffer. Added last so it wraps the full stack.
router = router.layer(middleware::from_fn_with_state(state_for_console, console_log_middleware));
+ // Optional path-prefix mount (--root-path / API_ROOT_PATH). When
+ // empty, the router is returned untouched; otherwise every route
+ // is reachable under the prefix.
+ if !config.api_root_path.is_empty() {
+ router = Router::new().nest(&config.api_root_path, router);
+ }
+
router
}
diff --git a/crates/server/src/banner.rs b/crates/server/src/banner.rs
index 8df0922..9cbfe61 100644
--- a/crates/server/src/banner.rs
+++ b/crates/server/src/banner.rs
@@ -190,6 +190,8 @@ mod tests {
chromium_idle_shutdown_timeout: None,
libreoffice_lazy_start: false,
libreoffice_idle_shutdown_timeout: None,
+ libreoffice_unoserver_port: 2003,
+ libreoffice_unoserver_ready_timeout: std::time::Duration::from_secs(60),
// API server
api_disable_health_route_telemetry: false,
api_disable_root_route_telemetry: false,
@@ -205,6 +207,13 @@ mod tests {
api_download_from_max_retry: 3,
api_disable_download_from: false,
api_correlation_id_header: "x-request-id".to_string(),
+ api_root_path: String::new(),
+ webhook_max_retry: 4,
+ webhook_retry_min_wait: std::time::Duration::from_secs(1),
+ webhook_retry_max_wait: std::time::Duration::from_secs(30),
+ webhook_client_timeout: std::time::Duration::from_secs(30),
+ webhook_allow_list: vec![],
+ webhook_deny_list: vec![],
}
}
diff --git a/crates/server/src/config.rs b/crates/server/src/config.rs
index d85d342..651e06e 100644
--- a/crates/server/src/config.rs
+++ b/crates/server/src/config.rs
@@ -128,6 +128,14 @@ pub struct ServerArgs {
#[arg(long, value_name = "DUR", env = "LIBREOFFICE_IDLE_SHUTDOWN_TIMEOUT")]
pub libreoffice_idle_shutdown_timeout: Option,
+ /// Port unoserver listens on (default: 2003).
+ #[arg(long, value_name = "PORT", env = "LIBREOFFICE_UNOSERVER_PORT")]
+ pub libreoffice_unoserver_port: Option,
+
+ /// Maximum time to wait for unoserver to be ready (e.g., "60s", "2m"). Default: 60s.
+ #[arg(long, value_name = "DUR", env = "LIBREOFFICE_UNOSERVER_READY_TIMEOUT")]
+ pub libreoffice_unoserver_ready_timeout: Option,
+
// === API Server Flags ===
/// Disable telemetry for health check route.
#[arg(long, env = "API_DISABLE_HEALTH_ROUTE_TELEMETRY")]
@@ -187,6 +195,41 @@ pub struct ServerArgs {
/// incoming requests and propagates it to responses and trace spans.
#[arg(long, value_name = "HEADER", env = "API_CORRELATION_ID_HEADER")]
pub api_correlation_id_header: Option,
+
+ /// Mount the entire API under this path prefix (default: empty / no prefix).
+ /// Useful when running behind a reverse proxy that strips no path. Must
+ /// start with `/` and have no trailing slash. Example: `--root-path /pdf`
+ /// makes `/forms/chromium/convert/url` reachable at `/pdf/forms/chromium/convert/url`.
+ #[arg(long, value_name = "PATH", env = "API_ROOT_PATH")]
+ pub api_root_path: Option,
+
+ /// Maximum number of webhook delivery attempts (default: 4).
+ #[arg(long, value_name = "N", env = "WEBHOOK_MAX_RETRY")]
+ pub webhook_max_retry: Option,
+
+ /// Minimum wait between webhook retries — start of exponential
+ /// backoff window (default: 1s).
+ #[arg(long, value_name = "DURATION", env = "WEBHOOK_RETRY_MIN_WAIT")]
+ pub webhook_retry_min_wait: Option,
+
+ /// Maximum wait between webhook retries — cap of exponential
+ /// backoff window (default: 30s).
+ #[arg(long, value_name = "DURATION", env = "WEBHOOK_RETRY_MAX_WAIT")]
+ pub webhook_retry_max_wait: Option,
+
+ /// Per-attempt webhook HTTP client timeout (default: 30s).
+ #[arg(long, value_name = "DURATION", env = "WEBHOOK_CLIENT_TIMEOUT")]
+ pub webhook_client_timeout: Option,
+
+ /// Regex pattern that webhook URLs must match. Repeat for multiple.
+ /// Empty = allow all (subject to SSRF and deny-list).
+ #[arg(long = "webhook-allow-list", value_name = "REGEX")]
+ pub webhook_allow_list: Vec,
+
+ /// Regex pattern that webhook URLs must NOT match. Repeat for
+ /// multiple. Evaluated after allow-list and SSRF checks.
+ #[arg(long = "webhook-deny-list", value_name = "REGEX")]
+ pub webhook_deny_list: Vec,
}
/// Log output formats supported by the server.
@@ -263,6 +306,10 @@ pub struct ServerConfig {
pub libreoffice_lazy_start: bool,
/// Idle shutdown timeout for LibreOffice (None = disabled).
pub libreoffice_idle_shutdown_timeout: Option,
+ /// Port unoserver listens on. Default: 2003.
+ pub libreoffice_unoserver_port: u16,
+ /// Maximum time to wait for unoserver to be ready at startup. Default: 60s.
+ pub libreoffice_unoserver_ready_timeout: Duration,
// === API Server Config ===
/// Disable telemetry for health check route.
@@ -293,6 +340,23 @@ pub struct ServerConfig {
pub api_disable_download_from: bool,
/// Request-correlation header name.
pub api_correlation_id_header: String,
+ /// Path prefix to mount the API under. Empty string means no prefix.
+ /// Always starts with `/` and never ends with `/` (validated at resolve).
+ pub api_root_path: String,
+
+ /// Maximum webhook delivery attempts (>= 1).
+ pub webhook_max_retry: u32,
+ /// Minimum wait before retry (start of exponential backoff window).
+ pub webhook_retry_min_wait: Duration,
+ /// Maximum wait before retry (cap of exponential backoff window).
+ pub webhook_retry_max_wait: Duration,
+ /// Per-attempt HTTP client timeout for webhook delivery.
+ pub webhook_client_timeout: Duration,
+ /// Webhook URL allow-list (raw regex strings; compiled in main.rs).
+ /// Empty = allow all (subject to SSRF + deny-list).
+ pub webhook_allow_list: Vec,
+ /// Webhook URL deny-list (raw regex strings; compiled in main.rs).
+ pub webhook_deny_list: Vec,
}
/// Errors produced by [`ServerConfig::resolve`].
@@ -461,6 +525,24 @@ impl ServerConfig {
.filter(|d| !d.is_zero())
});
+ let libreoffice_unoserver_port = match args.libreoffice_unoserver_port {
+ Some(p) => p,
+ None => match env.get("LIBREOFFICE_UNOSERVER_PORT") {
+ Some(v) => v.parse::().map_err(|e| ConfigError::Parse {
+ field: "libreoffice_unoserver_port",
+ message: e.to_string(),
+ })?,
+ None => 2003,
+ },
+ };
+
+ let libreoffice_unoserver_ready_timeout = args
+ .libreoffice_unoserver_ready_timeout
+ .as_deref()
+ .or_else(|| env.get("LIBREOFFICE_UNOSERVER_READY_TIMEOUT").map(|v| v.as_str()))
+ .and_then(|v| humantime::parse_duration(v).ok())
+ .unwrap_or(Duration::from_secs(60));
+
// === API Server Config Resolution ===
let api_disable_health_route_telemetry = args.api_disable_health_route_telemetry
|| env.get("API_DISABLE_HEALTH_ROUTE_TELEMETRY").map(|v| is_truthy(v)).unwrap_or(false);
@@ -521,6 +603,57 @@ impl ServerConfig {
message: format!("`{}` is not a valid HTTP header name", api_correlation_id_header),
})?;
+ let api_root_path = args
+ .api_root_path
+ .clone()
+ .or_else(|| env.get("API_ROOT_PATH").cloned())
+ .map(|s| s.trim().to_string())
+ .unwrap_or_default();
+ let api_root_path = normalize_root_path(&api_root_path).map_err(|message| {
+ ConfigError::Parse {
+ field: "api_root_path",
+ message,
+ }
+ })?;
+
+ let webhook_max_retry = args
+ .webhook_max_retry
+ .or_else(|| env.get("WEBHOOK_MAX_RETRY").and_then(|v| v.parse().ok()))
+ .unwrap_or(4);
+ if webhook_max_retry == 0 {
+ return Err(ConfigError::Parse {
+ field: "webhook_max_retry",
+ message: "must be >= 1".to_string(),
+ });
+ }
+ let webhook_retry_min_wait = parse_duration_opt(
+ &args.webhook_retry_min_wait,
+ env.get("WEBHOOK_RETRY_MIN_WAIT").map(String::as_str),
+ Duration::from_secs(1),
+ "webhook_retry_min_wait",
+ )?;
+ let webhook_retry_max_wait = parse_duration_opt(
+ &args.webhook_retry_max_wait,
+ env.get("WEBHOOK_RETRY_MAX_WAIT").map(String::as_str),
+ Duration::from_secs(30),
+ "webhook_retry_max_wait",
+ )?;
+ if webhook_retry_max_wait < webhook_retry_min_wait {
+ return Err(ConfigError::Parse {
+ field: "webhook_retry_max_wait",
+ message: format!(
+ "must be >= webhook_retry_min_wait ({:?})",
+ webhook_retry_min_wait
+ ),
+ });
+ }
+ let webhook_client_timeout = parse_duration_opt(
+ &args.webhook_client_timeout,
+ env.get("WEBHOOK_CLIENT_TIMEOUT").map(String::as_str),
+ Duration::from_secs(30),
+ "webhook_client_timeout",
+ )?;
+
Ok(Self {
host,
port,
@@ -543,6 +676,8 @@ impl ServerConfig {
chromium_idle_shutdown_timeout,
libreoffice_lazy_start,
libreoffice_idle_shutdown_timeout,
+ libreoffice_unoserver_port,
+ libreoffice_unoserver_ready_timeout,
api_disable_health_route_telemetry,
api_disable_root_route_telemetry,
api_disable_debug_route_telemetry,
@@ -557,6 +692,13 @@ impl ServerConfig {
api_download_from_max_retry,
api_disable_download_from,
api_correlation_id_header,
+ api_root_path,
+ webhook_max_retry,
+ webhook_retry_min_wait,
+ webhook_retry_max_wait,
+ webhook_client_timeout,
+ webhook_allow_list: args.webhook_allow_list.clone(),
+ webhook_deny_list: args.webhook_deny_list.clone(),
})
}
@@ -588,6 +730,52 @@ fn pick_string(
default.to_string()
}
+/// Normalise a user-supplied root-path. Returns `Ok("")` for empty input.
+/// For non-empty input, ensures it starts with `/` and has no trailing slash.
+fn normalize_root_path(s: &str) -> Result {
+ let s = s.trim();
+ if s.is_empty() {
+ return Ok(String::new());
+ }
+ if !s.starts_with('/') {
+ return Err(format!("must start with `/`, got `{s}`"));
+ }
+ let trimmed = s.trim_end_matches('/');
+ if trimmed.is_empty() {
+ // Input was just "/" — equivalent to no prefix.
+ return Ok(String::new());
+ }
+ if trimmed.contains("//") {
+ return Err(format!(
+ "must not contain consecutive slashes, got `{s}`"
+ ));
+ }
+ Ok(trimmed.to_string())
+}
+
+/// Parse a humantime duration from CLI arg → env → default, mapping
+/// parse errors to a structured [`ConfigError::Parse`] tagged with the
+/// caller's field name.
+fn parse_duration_opt(
+ arg: &Option,
+ env_val: Option<&str>,
+ default: Duration,
+ field: &'static str,
+) -> Result {
+ let raw = arg
+ .as_deref()
+ .or(env_val)
+ .map(str::trim)
+ .filter(|s| !s.is_empty());
+ match raw {
+ Some(s) => humantime::parse_duration(s).map_err(|e| ConfigError::Parse {
+ field,
+ message: e.to_string(),
+ }),
+ None => Ok(default),
+ }
+}
+
fn is_truthy(s: &str) -> bool {
matches!(
s.trim().to_ascii_lowercase().as_str(),
@@ -620,6 +808,53 @@ mod tests {
.collect()
}
+ #[test]
+ fn root_path_defaults_empty() {
+ let args = ServerArgs::default();
+ let cfg = ServerConfig::resolve(&args, &env(&[])).unwrap();
+ assert_eq!(cfg.api_root_path, "");
+ }
+
+ #[test]
+ fn root_path_from_env() {
+ let args = ServerArgs::default();
+ let cfg =
+ ServerConfig::resolve(&args, &env(&[("API_ROOT_PATH", "/pdf")])).unwrap();
+ assert_eq!(cfg.api_root_path, "/pdf");
+ }
+
+ #[test]
+ fn root_path_strips_trailing_slash() {
+ let args = ServerArgs::default();
+ let cfg =
+ ServerConfig::resolve(&args, &env(&[("API_ROOT_PATH", "/pdf/")])).unwrap();
+ assert_eq!(cfg.api_root_path, "/pdf");
+ }
+
+ #[test]
+ fn root_path_just_slash_normalised_to_empty() {
+ let args = ServerArgs::default();
+ let cfg = ServerConfig::resolve(&args, &env(&[("API_ROOT_PATH", "/")])).unwrap();
+ assert_eq!(cfg.api_root_path, "");
+ }
+
+ #[test]
+ fn root_path_missing_leading_slash_rejected() {
+ let args = ServerArgs::default();
+ let err = ServerConfig::resolve(&args, &env(&[("API_ROOT_PATH", "pdf")])).unwrap_err();
+ let ConfigError::Parse { field, .. } = err;
+ assert_eq!(field, "api_root_path");
+ }
+
+ #[test]
+ fn root_path_double_slash_rejected() {
+ let args = ServerArgs::default();
+ let err = ServerConfig::resolve(&args, &env(&[("API_ROOT_PATH", "/a//b")]))
+ .unwrap_err();
+ let ConfigError::Parse { field, .. } = err;
+ assert_eq!(field, "api_root_path");
+ }
+
#[test]
fn defaults_when_nothing_provided() {
let args = ServerArgs::default();
@@ -872,6 +1107,29 @@ mod tests {
assert_eq!(cfg.api_correlation_id_header, "x-trace-id");
}
+ #[test]
+ fn libreoffice_unoserver_defaults() {
+ let args = ServerArgs::default();
+ let cfg = ServerConfig::resolve(&args, &env(&[])).unwrap();
+ assert_eq!(cfg.libreoffice_unoserver_port, 2003);
+ assert_eq!(cfg.libreoffice_unoserver_ready_timeout, Duration::from_secs(60));
+ }
+
+ #[test]
+ fn libreoffice_unoserver_env_override() {
+ let args = ServerArgs::default();
+ let cfg = ServerConfig::resolve(
+ &args,
+ &env(&[
+ ("LIBREOFFICE_UNOSERVER_PORT", "2004"),
+ ("LIBREOFFICE_UNOSERVER_READY_TIMEOUT", "90s"),
+ ]),
+ )
+ .unwrap();
+ assert_eq!(cfg.libreoffice_unoserver_port, 2004);
+ assert_eq!(cfg.libreoffice_unoserver_ready_timeout, Duration::from_secs(90));
+ }
+
#[test]
fn correlation_id_header_invalid_value_rejected() {
let args = ServerArgs::default();
diff --git a/crates/server/src/console_store.rs b/crates/server/src/console_store.rs
index 0ab2ef0..b9528cf 100644
--- a/crates/server/src/console_store.rs
+++ b/crates/server/src/console_store.rs
@@ -574,7 +574,7 @@ pub fn spawn_console_sampler(state: crate::state::AppState, started_at: Instant)
.unwrap_or(0.0);
// ── Concurrency ────────────────────────────────────────────────
- let concurrency_max = state.config.concurrency as u32;
+ let _concurrency_max = state.config.concurrency as u32;
let concurrency_active = state.console.active_requests.load(Ordering::SeqCst);
// ── Push sample + broadcast ────────────────────────────────────
diff --git a/crates/server/src/error.rs b/crates/server/src/error.rs
index dde7693..5bf046d 100644
--- a/crates/server/src/error.rs
+++ b/crates/server/src/error.rs
@@ -16,7 +16,6 @@ use axum::response::{IntoResponse, Response};
use engine::EngineError;
use serde::Serialize;
use serde_json::{Value, json};
-use std::time::Duration;
/// Convenient `Result` alias for handlers and helpers.
pub type ApiResult = Result;
@@ -76,6 +75,18 @@ pub struct ResourceError {
pub error: String,
}
+/// A single field validation error.
+#[derive(Debug, Clone, Serialize)]
+pub struct FieldError {
+ /// Name of the field that failed validation.
+ pub field: String,
+ /// Error message explaining what's wrong.
+ pub message: String,
+ /// The invalid value that was provided (if available).
+ #[serde(skip_serializing_if = "Option::is_none")]
+ pub value: Option,
+}
+
/// All error shapes the server can emit.
#[derive(Debug)]
pub enum ApiError {
@@ -110,6 +121,8 @@ pub enum ApiError {
Gone,
/// Sub-resource(s) failed to load (images, CSS, fonts, etc.).
ResourceErrors(Vec),
+ /// Multiple field validation errors (collects all validation failures).
+ MultipleValidationErrors(Vec),
}
impl ApiError {
@@ -131,6 +144,7 @@ impl ApiError {
ApiError::NotFound => (StatusCode::NOT_FOUND, "NOT_FOUND"),
ApiError::Gone => (StatusCode::GONE, "GONE"),
ApiError::ResourceErrors(_) => (StatusCode::BAD_GATEWAY, "RESOURCE_ERROR"),
+ ApiError::MultipleValidationErrors(_) => (StatusCode::BAD_REQUEST, "VALIDATION_ERRORS"),
}
}
@@ -168,6 +182,79 @@ impl ApiError {
documentation: Some(documentation_link("TIMEOUT")),
},
+ // Navigation timeout - specific to page load
+ ApiError::Engine(EngineError::NavigationTimeout { url, duration }) => ApiErrorResponse {
+ error: format!("Navigation timed out after {:?}", duration),
+ code: code.to_string(),
+ details: Some(ErrorDetails {
+ url: Some(url.clone()),
+ timeout_ms: Some(duration.as_millis() as u64),
+ ..Default::default()
+ }),
+ suggestion: Some(format!(
+ "The URL {} failed to load within {:?}. Check if the site is accessible, or increase --request-timeout.",
+ url, duration
+ )),
+ documentation: Some(documentation_link("NAVIGATION_TIMEOUT")),
+ },
+
+ // Render timeout - PDF generation hung
+ ApiError::Engine(EngineError::RenderTimeout(duration)) => ApiErrorResponse {
+ error: format!("PDF render timed out after {:?}", duration),
+ code: code.to_string(),
+ details: Some(ErrorDetails {
+ timeout_ms: Some(duration.as_millis() as u64),
+ ..Default::default()
+ }),
+ suggestion: Some(
+ "PDF generation took too long. Try simplifying the page or increase --request-timeout.".to_string()
+ ),
+ documentation: Some(documentation_link("RENDER_TIMEOUT")),
+ },
+
+ // Idle timeout - network didn't become idle
+ ApiError::Engine(EngineError::IdleTimeout(duration)) => ApiErrorResponse {
+ error: format!("Network idle detection timed out after {:?}", duration),
+ code: code.to_string(),
+ details: Some(ErrorDetails {
+ timeout_ms: Some(duration.as_millis() as u64),
+ ..Default::default()
+ }),
+ suggestion: Some(
+ "The page has continuous network activity. Try --skip-network-idle or wait for a specific selector instead.".to_string()
+ ),
+ documentation: Some(documentation_link("IDLE_TIMEOUT")),
+ },
+
+ // Resource timeout - specific sub-resource failed
+ ApiError::Engine(EngineError::ResourceTimeout { url, duration }) => ApiErrorResponse {
+ error: format!("Resource timed out: {}", url),
+ code: code.to_string(),
+ details: Some(ErrorDetails {
+ url: Some(url.clone()),
+ timeout_ms: Some(duration.as_millis() as u64),
+ ..Default::default()
+ }),
+ suggestion: Some(
+ "A resource (image, CSS, or font) failed to load. Check the URL or increase resource timeout.".to_string()
+ ),
+ documentation: Some(documentation_link("RESOURCE_TIMEOUT")),
+ },
+
+ // LibreOffice timeout
+ ApiError::Engine(EngineError::LibreOfficeTimeout(duration)) => ApiErrorResponse {
+ error: format!("LibreOffice conversion timed out after {:?}", duration),
+ code: code.to_string(),
+ details: Some(ErrorDetails {
+ timeout_ms: Some(duration.as_millis() as u64),
+ ..Default::default()
+ }),
+ suggestion: Some(
+ "Document conversion took too long. Try a smaller document or increase --request-timeout.".to_string()
+ ),
+ documentation: Some(documentation_link("LIBREOFFICE_TIMEOUT")),
+ },
+
// Invalid option with field context
ApiError::Engine(EngineError::InvalidOption(msg)) => ApiErrorResponse {
error: msg.clone(),
@@ -362,6 +449,22 @@ impl ApiError {
documentation: Some(documentation_link("UNSUPPORTED_MEDIA_TYPE")),
},
+ // Multiple validation errors - collect all field errors
+ ApiError::MultipleValidationErrors(errors) => ApiErrorResponse {
+ error: format!("{} validation errors", errors.len()),
+ code: code.to_string(),
+ details: Some(ErrorDetails {
+ field: Some(errors.iter().map(|e| e.field.clone()).collect::>().join(", ")),
+ ..Default::default()
+ }),
+ suggestion: Some(format!(
+ "Fix the {} field(s): {}",
+ errors.len(),
+ errors.iter().map(|e| format!("{}: {}", e.field, e.message)).collect::>().join("; ")
+ )),
+ documentation: Some(documentation_link("VALIDATION_ERRORS")),
+ },
+
// Webhook errors
ApiError::Webhook(msg) => ApiErrorResponse {
error: msg.clone(),
@@ -466,6 +569,11 @@ impl ApiError {
"code": code,
"resource_errors": errors,
}),
+ ApiError::MultipleValidationErrors(errors) => json!({
+ "error": format!("{} validation error(s)", errors.len()),
+ "code": code,
+ "errors": errors,
+ }),
}
}
}
@@ -488,6 +596,9 @@ impl std::fmt::Display for ApiError {
ApiError::ResourceErrors(errors) => {
write!(f, "resource errors: {} failed", errors.len())
}
+ ApiError::MultipleValidationErrors(errors) => {
+ write!(f, "validation errors: {} failed", errors.len())
+ }
}
}
}
@@ -527,7 +638,13 @@ fn engine_status_and_code(e: &EngineError) -> (StatusCode, &'static str) {
EngineError::InvalidOption(_) => (StatusCode::BAD_REQUEST, "INVALID_OPTION"),
EngineError::InvalidPageRange(_) => (StatusCode::BAD_REQUEST, "INVALID_PAGE_RANGE"),
EngineError::Navigation { .. } => (StatusCode::BAD_GATEWAY, "NAVIGATION"),
+ // Timeout classifications
EngineError::Timeout(_) => (StatusCode::GATEWAY_TIMEOUT, "TIMEOUT"),
+ EngineError::NavigationTimeout { .. } => (StatusCode::GATEWAY_TIMEOUT, "NAVIGATION_TIMEOUT"),
+ EngineError::RenderTimeout(_) => (StatusCode::GATEWAY_TIMEOUT, "RENDER_TIMEOUT"),
+ EngineError::IdleTimeout(_) => (StatusCode::GATEWAY_TIMEOUT, "IDLE_TIMEOUT"),
+ EngineError::ResourceTimeout { .. } => (StatusCode::GATEWAY_TIMEOUT, "RESOURCE_TIMEOUT"),
+ EngineError::LibreOfficeTimeout(_) => (StatusCode::GATEWAY_TIMEOUT, "LIBREOFFICE_TIMEOUT"),
EngineError::ChromeNotFound { .. } | EngineError::ChromeLaunch(_) => {
(StatusCode::INTERNAL_SERVER_ERROR, "ENGINE_UNAVAILABLE")
}
@@ -543,6 +660,12 @@ fn documentation_link(error_code: &str) -> String {
let path = match error_code {
"NAVIGATION" => "/troubleshooting#navigation-failed",
"TIMEOUT" => "/troubleshooting#timeout",
+ "NAVIGATION_TIMEOUT" => "/troubleshooting#navigation-timeout",
+ "RENDER_TIMEOUT" => "/troubleshooting#render-timeout",
+ "IDLE_TIMEOUT" => "/troubleshooting#idle-timeout",
+ "RESOURCE_TIMEOUT" => "/troubleshooting#resource-timeout",
+ "LIBREOFFICE_TIMEOUT" => "/troubleshooting#libreoffice-timeout",
+ "VALIDATION_ERRORS" => "/api#validation-errors",
"INVALID_OPTION" | "INVALID_FIELD" => "/api#form-fields",
"INVALID_PAGE_RANGE" => "/api#page-ranges",
"MISSING_FIELD" | "MISSING_FILE" => "/api#required-fields",
diff --git a/crates/server/src/lib.rs b/crates/server/src/lib.rs
index 1f70e15..9bb0bbf 100644
--- a/crates/server/src/lib.rs
+++ b/crates/server/src/lib.rs
@@ -20,9 +20,11 @@ pub mod logging;
pub mod metrics;
pub mod multipart;
pub mod routes;
+pub mod security;
pub mod shutdown;
pub mod state;
pub mod supervised_engine;
+pub mod ulid_utils;
pub mod webhook;
pub use app::build_router;
diff --git a/crates/server/src/main.rs b/crates/server/src/main.rs
index 794a36f..e1d6432 100644
--- a/crates/server/src/main.rs
+++ b/crates/server/src/main.rs
@@ -116,7 +116,22 @@ async fn serve(args: ServerArgs) -> anyhow::Result<()> {
#[cfg(not(feature = "libreoffice"))]
libreoffice: None,
};
- start_workers(webhook_rx, 2, WebhookClient::default(), webhook_ctx);
+ let webhook_client = WebhookClient::new(server::webhook::WebhookClientConfig {
+ max_retries: config.webhook_max_retry,
+ retry_min_wait: config.webhook_retry_min_wait,
+ retry_max_wait: config.webhook_retry_max_wait,
+ client_timeout: config.webhook_client_timeout,
+ });
+ start_workers(webhook_rx, 2, webhook_client, webhook_ctx);
+
+ // Compile the operator-supplied allow/deny regex lists once at startup.
+ // Bad patterns abort startup so the operator gets immediate feedback.
+ let webhook_validator = server::webhook::WebhookUrlValidator::compile(
+ &config.webhook_allow_list,
+ &config.webhook_deny_list,
+ )
+ .map_err(anyhow::Error::msg)
+ .context("compile webhook allow/deny regex lists")?;
// Initialize batch state manager
let batch_manager = BatchStateManager::new(
@@ -137,6 +152,7 @@ async fn serve(args: ServerArgs) -> anyhow::Result<()> {
config.clone(),
)
.with_webhook_queue(webhook_queue)
+ .with_webhook_validator(webhook_validator)
.with_batch_manager(batch_manager);
#[cfg(feature = "libreoffice")]
let state = state.with_libreoffice(Some(Arc::new(libreoffice)));
@@ -230,6 +246,9 @@ fn browser_config_from(config: &ServerConfig) -> BrowserConfig {
lazy_start: config.chromium_lazy_start,
idle_shutdown_timeout: config.chromium_idle_shutdown_timeout,
network_idle_timeout: None,
+ max_page_memory_mb: defaults.max_page_memory_mb,
+ max_browser_memory_mb: defaults.max_browser_memory_mb,
+ max_concurrent_renders: defaults.max_concurrent_renders,
}
}
@@ -242,5 +261,7 @@ fn libreoffice_config_from(config: &ServerConfig) -> LibreOfficeConfig {
max_concurrency: defaults.max_concurrency,
lazy_start: config.libreoffice_lazy_start,
idle_shutdown_timeout: config.libreoffice_idle_shutdown_timeout,
+ unoserver_port: config.libreoffice_unoserver_port,
+ unoserver_ready_timeout: config.libreoffice_unoserver_ready_timeout,
}
}
diff --git a/crates/server/src/multipart.rs b/crates/server/src/multipart.rs
index e86f3cc..6002692 100644
--- a/crates/server/src/multipart.rs
+++ b/crates/server/src/multipart.rs
@@ -24,6 +24,42 @@ use tokio::io::AsyncWriteExt;
use crate::error::ApiError;
+/// Security limits for multipart parsing.
+#[derive(Debug, Clone)]
+pub struct MultipartSecurityConfig {
+ /// Maximum length of a field name (default: 256).
+ pub max_field_name_len: usize,
+ /// Maximum length of a non-file field value (default: 1 MB).
+ pub max_field_value_len: usize,
+ /// Maximum number of files in a single request (default: 100).
+ pub max_file_count: usize,
+ /// Maximum length of a filename (default: 255).
+ pub max_filename_len: usize,
+}
+
+impl Default for MultipartSecurityConfig {
+ fn default() -> Self {
+ Self {
+ max_field_name_len: 256,
+ max_field_value_len: 1024 * 1024, // 1 MB
+ max_file_count: 100,
+ max_filename_len: 255,
+ }
+ }
+}
+
+impl MultipartSecurityConfig {
+ /// Create a strict configuration for high-security environments.
+ pub fn strict() -> Self {
+ Self {
+ max_field_name_len: 128,
+ max_field_value_len: 64 * 1024, // 64 KB
+ max_file_count: 10,
+ max_filename_len: 100,
+ }
+ }
+}
+
/// Result of consuming a multipart body.
#[derive(Debug)]
pub struct FormFields {
@@ -58,7 +94,15 @@ impl FormFields {
/// Files are streamed out to disk to keep memory usage bounded; the
/// scratch directory is auto-deleted when [`FormFields`] (and hence
/// [`Self::tmp`]) is dropped.
- pub async fn from_multipart(mut mp: Multipart) -> Result {
+ pub async fn from_multipart(mp: Multipart) -> Result {
+ Self::from_multipart_with_config(mp, MultipartSecurityConfig::default()).await
+ }
+
+ /// Read multipart body with custom security configuration.
+ pub async fn from_multipart_with_config(
+ mut mp: Multipart,
+ config: MultipartSecurityConfig,
+ ) -> Result {
let tmp = TempDir::new().map_err(|e| ApiError::Internal(e.to_string()))?;
let mut files: Vec = Vec::new();
let mut map: HashMap = HashMap::new();
@@ -66,8 +110,32 @@ impl FormFields {
while let Some(field) = next_field(&mut mp).await? {
let name = field.name().unwrap_or("").to_string();
+ // Field name length check
+ if name.len() > config.max_field_name_len {
+ return Err(ApiError::BadMultipart(format!(
+ "Field name too long: {} chars (max {})",
+ name.len(), config.max_field_name_len
+ )));
+ }
+
// Files have an associated file_name; non-files do not.
if let Some(raw_filename) = field.file_name().map(str::to_string) {
+ // File count limit
+ if files.len() >= config.max_file_count {
+ return Err(ApiError::BadMultipart(format!(
+ "Too many files: {} (max {})",
+ files.len(), config.max_file_count
+ )));
+ }
+
+ // Filename length check
+ if raw_filename.len() > config.max_filename_len {
+ return Err(ApiError::BadMultipart(format!(
+ "Filename too long: {} chars (max {})",
+ raw_filename.len(), config.max_filename_len
+ )));
+ }
+
let filename = sanitise_filename(&raw_filename)
.ok_or_else(|| ApiError::UnsafeFilename(raw_filename.clone()))?;
let content_type = field.content_type().map(str::to_string);
@@ -104,6 +172,17 @@ impl FormFields {
} else {
// Plain text field.
let bytes = field.bytes().await.map_err(multipart_to_api)?;
+
+ // Field value length check
+ if bytes.len() > config.max_field_value_len {
+ return Err(ApiError::BadMultipart(format!(
+ "Field '{}' value too large: {} bytes (max {})",
+ name,
+ bytes.len(),
+ config.max_field_value_len
+ )));
+ }
+
// Decode best-effort as UTF-8; on failure fall back to lossy.
let value = String::from_utf8(bytes.to_vec())
.unwrap_or_else(|e| String::from_utf8_lossy(e.as_bytes()).into_owned());
@@ -269,4 +348,22 @@ mod tests {
});
assert_eq!(unique_filename(&files, "report.pdf"), "report-2.pdf");
}
+
+ #[test]
+ fn multipart_security_config_defaults() {
+ let config = MultipartSecurityConfig::default();
+ assert_eq!(config.max_field_name_len, 256);
+ assert_eq!(config.max_field_value_len, 1024 * 1024);
+ assert_eq!(config.max_file_count, 100);
+ assert_eq!(config.max_filename_len, 255);
+ }
+
+ #[test]
+ fn multipart_security_config_strict() {
+ let config = MultipartSecurityConfig::strict();
+ assert_eq!(config.max_field_name_len, 128);
+ assert_eq!(config.max_field_value_len, 64 * 1024);
+ assert_eq!(config.max_file_count, 10);
+ assert_eq!(config.max_filename_len, 100);
+ }
}
diff --git a/crates/server/src/routes/batch_types.rs b/crates/server/src/routes/batch_types.rs
index 3c27c35..a375732 100644
--- a/crates/server/src/routes/batch_types.rs
+++ b/crates/server/src/routes/batch_types.rs
@@ -7,7 +7,6 @@
use std::time::SystemTime;
use serde::{Deserialize, Serialize};
-use uuid::Uuid;
use crate::error::ApiError;
use crate::multipart::UploadedFile;
@@ -26,9 +25,12 @@ pub const DEFAULT_RETENTION_MINUTES: u64 = 60;
pub struct BatchId(String);
impl BatchId {
- /// Generate a new unique batch ID.
+ /// Generate a new unique batch ID using ULID.
+ ///
+ /// ULID provides lexicographic sorting (chronological order),
+ /// 26 lowercase characters, and collision resistance.
pub fn new() -> Self {
- Self(format!("batch_{}", Uuid::new_v4().simple()))
+ Self(format!("batch_{}", ulid::Ulid::new().to_string().to_lowercase()))
}
/// Create a BatchId from an existing string (for parsing URLs).
diff --git a/crates/server/src/routes/chromium.rs b/crates/server/src/routes/chromium.rs
index 1f78aca..a95da77 100644
--- a/crates/server/src/routes/chromium.rs
+++ b/crates/server/src/routes/chromium.rs
@@ -598,15 +598,21 @@ pub fn parse_pdf_options(map: &HashMap) -> ApiResult
}
// Wait conditions. At most one of waitForExpression / waitForSelector /
- // waitDelay may be set; if multiple are present, that's an error.
- let wait_count = ["waitForExpression", "waitForSelector", "waitDelay"]
- .iter()
- .filter(|k| map.get(**k).map(|s| !s.is_empty()).unwrap_or(false))
- .count();
+ // waitDelay / waitWindowStatus may be set; if multiple are present, that's an error.
+ let wait_count = [
+ "waitForExpression",
+ "waitForSelector",
+ "waitDelay",
+ "waitWindowStatus",
+ ]
+ .iter()
+ .filter(|k| map.get(**k).map(|s| !s.is_empty()).unwrap_or(false))
+ .count();
if wait_count > 1 {
return Err(ApiError::InvalidField {
field: "wait",
- message: "set only one of waitForExpression, waitForSelector, waitDelay".to_string(),
+ message: "set only one of waitForExpression, waitForSelector, waitDelay, waitWindowStatus"
+ .to_string(),
});
}
if let Some(s) = nonempty(map, "waitForExpression") {
@@ -619,6 +625,8 @@ pub fn parse_pdf_options(map: &HashMap) -> ApiResult
message: e.to_string(),
})?;
opts.wait = WaitCondition::Delay { duration: d };
+ } else if let Some(s) = nonempty(map, "waitWindowStatus") {
+ opts.wait = WaitCondition::WindowStatus { status: s };
}
if let Some(v) = opt_bool(map, "singlePage")? {
@@ -666,9 +674,58 @@ pub fn parse_request_context(map: &HashMap) -> ApiResult = serde_json::from_str(&s).map_err(|e| ApiError::InvalidField {
+ field: "failOnResourceHttpStatusCodes",
+ message: e.to_string(),
+ })?;
+ ctx.fail_on_resource_status = parsed;
+ }
+
+ if let Some(v) = opt_bool(map, "failOnResourceLoadingFailed")? {
+ ctx.fail_on_resource_loading_failed = v;
+ }
+
+ if let Some(v) = opt_bool(map, "failOnConsoleExceptions")? {
+ ctx.fail_on_console_exceptions = v;
+ }
+
+ // skipNetworkIdleEvent / skipNetworkAlmostIdleEvent are merged into a
+ // single engine flag — Chrome does not distinguish the two via CDP.
+ let skip_idle = opt_bool(map, "skipNetworkIdleEvent")?.unwrap_or(false);
+ let skip_almost_idle = opt_bool(map, "skipNetworkAlmostIdleEvent")?.unwrap_or(false);
+ if skip_idle || skip_almost_idle {
+ ctx.skip_network_idle = true;
+ }
+
+ if let Some(s) = nonempty(map, "ignoreResourceHttpStatusDomains") {
+ ctx.ignore_resource_status_domains = parse_string_list(&s);
+ }
+
Ok(ctx)
}
+/// Parse a list of strings from a form field. Accepts either a JSON array
+/// (`["a","b"]`) or a comma/newline-separated list (`a, b`). Empty
+/// entries are dropped; whitespace is trimmed.
+fn parse_string_list(s: &str) -> Vec {
+ let trimmed = s.trim();
+ if trimmed.starts_with('[') {
+ if let Ok(v) = serde_json::from_str::>(trimmed) {
+ return v
+ .into_iter()
+ .map(|x| x.trim().to_string())
+ .filter(|x| !x.is_empty())
+ .collect();
+ }
+ }
+ trimmed
+ .split(|c: char| c == ',' || c == '\n')
+ .map(|p| p.trim().to_string())
+ .filter(|p| !p.is_empty())
+ .collect()
+}
+
fn parse_cookies_json(s: &str) -> ApiResult> {
#[derive(serde::Deserialize)]
struct CookieDto {
@@ -1179,6 +1236,119 @@ mod tests {
assert_eq!(ctx.fail_on_status, vec![401, 403, 500]);
}
+ #[test]
+ fn wait_window_status_parses() {
+ let map = fm(&[("waitWindowStatus", "ready")]);
+ let opts = parse_pdf_options(&map).unwrap();
+ assert_eq!(
+ opts.wait,
+ WaitCondition::WindowStatus {
+ status: "ready".into()
+ }
+ );
+ }
+
+ #[test]
+ fn wait_window_status_conflicts_with_other_wait() {
+ let map = fm(&[("waitWindowStatus", "ready"), ("waitDelay", "1s")]);
+ let err = parse_pdf_options(&map).unwrap_err();
+ match err {
+ ApiError::InvalidField { field, .. } => assert_eq!(field, "wait"),
+ other => panic!("expected InvalidField, got {other:?}"),
+ }
+ }
+
+ #[test]
+ fn fail_on_resource_status_codes_parse() {
+ let map = fm(&[("failOnResourceHttpStatusCodes", "[404, 502]")]);
+ let ctx = parse_request_context(&map).unwrap();
+ assert_eq!(ctx.fail_on_resource_status, vec![404, 502]);
+ }
+
+ #[test]
+ fn fail_on_resource_status_codes_invalid_json() {
+ let map = fm(&[("failOnResourceHttpStatusCodes", "nope")]);
+ let err = parse_request_context(&map).unwrap_err();
+ match err {
+ ApiError::InvalidField { field, .. } => {
+ assert_eq!(field, "failOnResourceHttpStatusCodes")
+ }
+ other => panic!("expected InvalidField, got {other:?}"),
+ }
+ }
+
+ #[test]
+ fn fail_on_resource_loading_failed_parses() {
+ let map = fm(&[("failOnResourceLoadingFailed", "true")]);
+ let ctx = parse_request_context(&map).unwrap();
+ assert!(ctx.fail_on_resource_loading_failed);
+ }
+
+ #[test]
+ fn fail_on_console_exceptions_parses() {
+ let map = fm(&[("failOnConsoleExceptions", "true")]);
+ let ctx = parse_request_context(&map).unwrap();
+ assert!(ctx.fail_on_console_exceptions);
+ }
+
+ #[test]
+ fn skip_network_idle_event_parses() {
+ let map = fm(&[("skipNetworkIdleEvent", "true")]);
+ let ctx = parse_request_context(&map).unwrap();
+ assert!(ctx.skip_network_idle);
+ }
+
+ #[test]
+ fn skip_network_almost_idle_event_also_parses() {
+ let map = fm(&[("skipNetworkAlmostIdleEvent", "true")]);
+ let ctx = parse_request_context(&map).unwrap();
+ assert!(ctx.skip_network_idle);
+ }
+
+ #[test]
+ fn skip_network_idle_off_by_default() {
+ let ctx = parse_request_context(&HashMap::new()).unwrap();
+ assert!(!ctx.skip_network_idle);
+ }
+
+ #[test]
+ fn ignore_resource_domains_json_array() {
+ let map = fm(&[(
+ "ignoreResourceHttpStatusDomains",
+ r#"["googleapis.com", "fonts.gstatic.com"]"#,
+ )]);
+ let ctx = parse_request_context(&map).unwrap();
+ assert_eq!(
+ ctx.ignore_resource_status_domains,
+ vec![
+ "googleapis.com".to_string(),
+ "fonts.gstatic.com".to_string()
+ ]
+ );
+ }
+
+ #[test]
+ fn ignore_resource_domains_comma_list() {
+ let map = fm(&[(
+ "ignoreResourceHttpStatusDomains",
+ "googleapis.com, fonts.gstatic.com",
+ )]);
+ let ctx = parse_request_context(&map).unwrap();
+ assert_eq!(
+ ctx.ignore_resource_status_domains,
+ vec![
+ "googleapis.com".to_string(),
+ "fonts.gstatic.com".to_string()
+ ]
+ );
+ }
+
+ #[test]
+ fn ignore_resource_domains_default_empty() {
+ let ctx = parse_request_context(&HashMap::new()).unwrap();
+ assert!(ctx.ignore_resource_status_domains.is_empty());
+ }
+
#[test]
fn finds_markdown_link_with_double_quotes() {
let s = r#""#;
diff --git a/crates/server/src/routes/console.rs b/crates/server/src/routes/console.rs
index a913c55..62b1aba 100644
--- a/crates/server/src/routes/console.rs
+++ b/crates/server/src/routes/console.rs
@@ -15,7 +15,7 @@ pub async fn console_stream(
State(state): State,
) -> Sse>> {
let started_at = state.started_at;
- let mut rx = state.console.broadcast.subscribe();
+ let rx = state.console.broadcast.subscribe();
// Send initial snapshot immediately on connect (no waiting for next 5s tick).
// For the initial snapshot we read the health gauges as a best-effort proxy;
diff --git a/crates/server/src/routes/debug.rs b/crates/server/src/routes/debug.rs
index 39324a8..6328c89 100644
--- a/crates/server/src/routes/debug.rs
+++ b/crates/server/src/routes/debug.rs
@@ -11,7 +11,7 @@ use axum::response::IntoResponse;
use axum::Json;
use regex::Regex;
use serde::Serialize;
-use tracing::{info, warn};
+use tracing::info;
use crate::error::{ApiError, ApiResult};
use crate::multipart::FormFields;
diff --git a/crates/server/src/routes/estimate.rs b/crates/server/src/routes/estimate.rs
index d911622..9b6a092 100644
--- a/crates/server/src/routes/estimate.rs
+++ b/crates/server/src/routes/estimate.rs
@@ -138,7 +138,7 @@ pub async fn estimate(
let analysis = analyze_html(&html).await;
// Build size breakdown
- let mut breakdown = SizeBreakdown {
+ let breakdown = SizeBreakdown {
markup_mb: analysis.markup_size_mb,
fonts_mb: analysis.font_size_mb,
images_mb: analysis.image_size_mb,
diff --git a/crates/server/src/routes/pdfengines.rs b/crates/server/src/routes/pdfengines.rs
index fa363e7..48b1fc4 100644
--- a/crates/server/src/routes/pdfengines.rs
+++ b/crates/server/src/routes/pdfengines.rs
@@ -881,7 +881,7 @@ pub async fn pdfengines_convert(
/// Reads bookmarks from a PDF and returns them as JSON.
pub async fn pdfengines_bookmarks_read(
State(state): State,
- headers: HeaderMap,
+ _headers: HeaderMap,
mp: Multipart,
) -> ApiResult {
let _permit = acquire_permit(&state).await?;
diff --git a/crates/server/src/routes/preview.rs b/crates/server/src/routes/preview.rs
index 6def889..0592654 100644
--- a/crates/server/src/routes/preview.rs
+++ b/crates/server/src/routes/preview.rs
@@ -138,7 +138,7 @@ pub async fn preview_url(
pub async fn preview_url(
State(_state): State,
Query(_query): Query,
-) -> ApiResult {
+) -> ApiResult {
Err(ApiError::InvalidField {
field: "feature",
message: "Preview mode requires Chromium feature".into(),
@@ -226,7 +226,7 @@ pub async fn preview_html(
pub async fn preview_html(
State(_state): State,
_mp: Multipart,
-) -> ApiResult {
+) -> ApiResult {
Err(ApiError::InvalidField {
field: "feature",
message: "Preview mode requires Chromium feature".into(),
@@ -313,7 +313,7 @@ pub async fn preview_markdown(
pub async fn preview_markdown(
State(_state): State,
_mp: Multipart,
-) -> ApiResult {
+) -> ApiResult {
Err(ApiError::InvalidField {
field: "feature",
message: "Preview mode requires Chromium feature".into(),
@@ -403,7 +403,7 @@ pub async fn preview_compare(
pub async fn preview_compare(
State(_state): State,
_mp: Multipart,
-) -> ApiResult {
+) -> ApiResult {
Err(ApiError::InvalidField {
field: "feature",
message: "Preview mode requires Chromium feature".into(),
diff --git a/crates/server/src/security/header_validator.rs b/crates/server/src/security/header_validator.rs
new file mode 100644
index 0000000..f1a0122
--- /dev/null
+++ b/crates/server/src/security/header_validator.rs
@@ -0,0 +1,309 @@
+//! HTTP Header injection prevention for `extraHttpHeaders` validation.
+//!
+//! Blocks CRLF injection attacks and prevents overriding of security-critical headers.
+
+use std::collections::HashMap;
+
+use axum::http::HeaderName;
+
+use crate::error::ApiError;
+
+/// Headers that cannot be overridden for security reasons.
+const BLOCKED_HEADERS: &[&str] = &[
+ // Request control
+ "host",
+ "content-length",
+ "transfer-encoding",
+ "connection",
+ "keep-alive",
+ "upgrade",
+ "upgrade-insecure-requests",
+ // Proxy/security
+ "proxy-authorization",
+ "proxy-authenticate",
+ "proxy-connection",
+ "te",
+ "trailer",
+ "http2-settings",
+ // Authentication/cookies (should be via dedicated fields)
+ "cookie",
+ "set-cookie",
+ "authorization",
+ // Security headers (should not be overridden)
+ "strict-transport-security",
+ "content-security-policy",
+ "x-frame-options",
+ "x-content-type-options",
+ "referrer-policy",
+ "permissions-policy",
+];
+
+/// Validate a single header name and value.
+///
+/// # Arguments
+///
+/// * `name` - Header name
+/// * `value` - Header value
+///
+/// # Returns
+///
+/// Validated `(HeaderName, String)` pair or `ApiError`.
+///
+/// # Errors
+///
+/// Returns `ApiError::InvalidField` if:
+/// - Header name contains CRLF
+/// - Header value contains CRLF
+/// - Header name is invalid HTTP syntax
+/// - Header is in the blocked list
+pub fn validate_header(name: &str, value: &str) -> Result<(HeaderName, String), ApiError> {
+ // Check for CRLF injection in name
+ if name.contains('\r') || name.contains('\n') {
+ return Err(ApiError::InvalidField {
+ field: "extraHttpHeaders",
+ message: format!(
+ "Header name '{}' contains illegal CRLF character - possible header injection attack",
+ name.chars().map(|c| if c == '\r' || c == '\n' { '?' } else { c }).collect::()
+ ),
+ });
+ }
+
+ // Check for CRLF injection in value
+ if value.contains('\r') || value.contains('\n') {
+ return Err(ApiError::InvalidField {
+ field: "extraHttpHeaders",
+ message: format!(
+ "Header '{}' value contains illegal CRLF character - possible header injection attack",
+ name
+ ),
+ });
+ }
+
+ // Check for null bytes
+ if name.contains('\0') || value.contains('\0') {
+ return Err(ApiError::InvalidField {
+ field: "extraHttpHeaders",
+ message: format!(
+ "Header '{}' contains null byte - possible header injection attack",
+ name
+ ),
+ });
+ }
+
+ // Validate header name format
+ let header_name = HeaderName::from_bytes(name.as_bytes()).map_err(|e| ApiError::InvalidField {
+ field: "extraHttpHeaders",
+ message: format!("Invalid header name '{}': {}", name, e),
+ })?;
+
+ // Check against blocked headers (case-insensitive)
+ let name_lower = name.to_lowercase();
+ for blocked in BLOCKED_HEADERS {
+ if name_lower == *blocked {
+ return Err(ApiError::InvalidField {
+ field: "extraHttpHeaders",
+ message: format!(
+ "Header '{}' cannot be overridden for security reasons (blocked: {})",
+ name, blocked
+ ),
+ });
+ }
+ }
+
+ // Validate header value length (reasonable limit)
+ if value.len() > 8192 {
+ return Err(ApiError::InvalidField {
+ field: "extraHttpHeaders",
+ message: format!(
+ "Header '{}' value too long: {} bytes (max 8192)",
+ name, value.len()
+ ),
+ });
+ }
+
+ Ok((header_name, value.to_string()))
+}
+
+/// Validate a map of headers from JSON.
+///
+/// # Arguments
+///
+/// * `headers` - Map of header names to values (typically from `extraHttpHeaders` JSON)
+///
+/// # Returns
+///
+/// Validated headers as `Vec<(HeaderName, String)>` or `ApiError` on first failure.
+///
+/// # Errors
+///
+/// Returns `ApiError::InvalidField` if any header fails validation.
+pub fn validate_headers_map(
+ headers: &HashMap,
+) -> Result, ApiError> {
+ let mut result = Vec::with_capacity(headers.len());
+
+ for (name, value) in headers {
+ let validated = validate_header(name, value)?;
+ result.push(validated);
+ }
+
+ Ok(result)
+}
+
+/// Parse and validate JSON-formatted extra headers.
+///
+/// Expects JSON like: `{"X-Custom": "value", "Accept-Language": "en"}`
+///
+/// # Arguments
+///
+/// * `json_str` - JSON string containing header map
+///
+/// # Returns
+///
+/// Validated headers or `ApiError` if JSON is invalid or headers fail validation.
+pub fn parse_and_validate_extra_headers(
+ json_str: &str,
+) -> Result, ApiError> {
+ let parsed: HashMap =
+ serde_json::from_str(json_str).map_err(|e| ApiError::InvalidField {
+ field: "extraHttpHeaders",
+ message: format!("Invalid JSON for extraHttpHeaders: {}", e),
+ })?;
+
+ validate_headers_map(&parsed)
+}
+
+/// Maximum number of custom headers allowed.
+pub const MAX_EXTRA_HEADERS: usize = 50;
+
+/// Validate that the number of extra headers is within limits.
+pub fn validate_header_count(count: usize) -> Result<(), ApiError> {
+ if count > MAX_EXTRA_HEADERS {
+ return Err(ApiError::InvalidField {
+ field: "extraHttpHeaders",
+ message: format!(
+ "Too many extra headers: {} (max {})",
+ count, MAX_EXTRA_HEADERS
+ ),
+ });
+ }
+ Ok(())
+}
+
+#[cfg(test)]
+mod tests {
+ use super::*;
+
+ #[test]
+ fn valid_header_passes() {
+ let result = validate_header("X-Custom-Header", "some value");
+ assert!(result.is_ok());
+ let (name, value) = result.unwrap();
+ assert_eq!(name.as_str(), "x-custom-header");
+ assert_eq!(value, "some value");
+ }
+
+ #[test]
+ fn blocks_crlf_in_name() {
+ let result = validate_header("X-Evil\r\nHost", "value");
+ assert!(result.is_err());
+ let err = result.unwrap_err().to_string();
+ assert!(err.contains("CRLF"));
+ }
+
+ #[test]
+ fn blocks_crlf_in_value() {
+ let result = validate_header("X-Custom", "value\r\nHost: evil.com");
+ assert!(result.is_err());
+ let err = result.unwrap_err().to_string();
+ assert!(err.contains("CRLF"));
+ }
+
+ #[test]
+ fn blocks_null_byte() {
+ let result = validate_header("X-Custom\0", "value");
+ assert!(result.is_err());
+ }
+
+ #[test]
+ fn blocks_security_headers() {
+ let blocked = vec![
+ "Host",
+ "Content-Length",
+ "Transfer-Encoding",
+ "Connection",
+ "Cookie",
+ "Authorization",
+ "Proxy-Authorization",
+ ];
+
+ for header in blocked {
+ let result = validate_header(header, "value");
+ assert!(result.is_err(), "Should block '{}'", header);
+ }
+ }
+
+ #[test]
+ fn allows_common_safe_headers() {
+ let allowed = vec![
+ "Accept",
+ "Accept-Language",
+ "Accept-Encoding",
+ "Cache-Control",
+ "If-Modified-Since",
+ "If-None-Match",
+ "User-Agent",
+ "X-Requested-With",
+ "X-Custom-Header",
+ "Origin",
+ "Referer",
+ ];
+
+ for header in allowed {
+ let result = validate_header(header, "value");
+ assert!(result.is_ok(), "Should allow '{}'", header);
+ }
+ }
+
+ #[test]
+ fn header_value_length_limit() {
+ let long_value = "a".repeat(9000);
+ let result = validate_header("X-Custom", &long_value);
+ assert!(result.is_err());
+ assert!(result.unwrap_err().to_string().contains("too long"));
+ }
+
+ #[test]
+ fn validate_headers_map_test() {
+ let mut headers = HashMap::new();
+ headers.insert("X-Custom".to_string(), "value1".to_string());
+ headers.insert("Accept-Language".to_string(), "en-US".to_string());
+
+ let result = validate_headers_map(&headers);
+ assert!(result.is_ok());
+ assert_eq!(result.unwrap().len(), 2);
+ }
+
+ #[test]
+ fn parse_json_headers() {
+ let json = r#"{"X-Custom": "value", "Accept": "application/json"}"#;
+ let result = parse_and_validate_extra_headers(json);
+ assert!(result.is_ok());
+ let headers = result.unwrap();
+ assert_eq!(headers.len(), 2);
+ }
+
+ #[test]
+ fn parse_invalid_json_fails() {
+ let json = r#"{"invalid": json}"#;
+ let result = parse_and_validate_extra_headers(json);
+ assert!(result.is_err());
+ }
+
+ #[test]
+ fn header_count_limit() {
+ assert!(validate_header_count(10).is_ok());
+ assert!(validate_header_count(50).is_ok());
+ assert!(validate_header_count(51).is_err());
+ }
+}
diff --git a/crates/server/src/security/mod.rs b/crates/server/src/security/mod.rs
new file mode 100644
index 0000000..3ba1d00
--- /dev/null
+++ b/crates/server/src/security/mod.rs
@@ -0,0 +1,7 @@
+//! Security utilities for SSRF prevention, header validation, and path sanitization.
+
+pub mod header_validator;
+pub mod url_validator;
+
+pub use header_validator::{validate_header, validate_headers_map};
+pub use url_validator::{validate_url, UrlValidationConfig};
diff --git a/crates/server/src/security/url_validator.rs b/crates/server/src/security/url_validator.rs
new file mode 100644
index 0000000..81a9c5e
--- /dev/null
+++ b/crates/server/src/security/url_validator.rs
@@ -0,0 +1,337 @@
+//! SSRF (Server-Side Request Forgery) prevention for URL validation.
+//!
+//! Blocks access to internal networks, localhost, and other potentially
+//! dangerous destinations to prevent attacks via the `url_to_pdf` endpoint.
+
+use std::net::IpAddr;
+
+use crate::error::ApiError;
+
+/// CIDR block for IP range matching.
+#[derive(Debug, Clone)]
+pub struct IpNet {
+ network: IpAddr,
+ prefix: u8,
+}
+
+impl IpNet {
+ /// Parse a CIDR string like "127.0.0.0/8" or "::1/128".
+ pub fn parse(s: &str) -> Result {
+ let parts: Vec<&str> = s.split('/').collect();
+ if parts.len() != 2 {
+ return Err(format!("Invalid CIDR format: {}", s));
+ }
+
+ let network = parts[0]
+ .parse::()
+ .map_err(|e| format!("Invalid IP address: {}", e))?;
+ let prefix = parts[1]
+ .parse::()
+ .map_err(|e| format!("Invalid prefix: {}", e))?;
+
+ Ok(Self { network, prefix })
+ }
+
+ /// Check if an IP address is contained in this network.
+ pub fn contains(&self, ip: &IpAddr) -> bool {
+ match (self.network, ip) {
+ (IpAddr::V4(net), IpAddr::V4(addr)) => {
+ let net_bits = u32::from_be_bytes(net.octets());
+ let addr_bits = u32::from_be_bytes(addr.octets());
+ let mask = if self.prefix == 0 {
+ 0
+ } else {
+ !0u32 << (32 - self.prefix)
+ };
+ (net_bits & mask) == (addr_bits & mask)
+ }
+ (IpAddr::V6(net), IpAddr::V6(addr)) => {
+ let net_segments = net.segments();
+ let addr_segments = addr.segments();
+
+ let full_segments = self.prefix as usize / 16;
+ let partial_bits = self.prefix as usize % 16;
+
+ // Check full segments
+ for i in 0..full_segments {
+ if net_segments[i] != addr_segments[i] {
+ return false;
+ }
+ }
+
+ // Check partial segment if needed
+ if partial_bits > 0 && full_segments < 8 {
+ let mask = !0u16 << (16 - partial_bits);
+ return (net_segments[full_segments] & mask)
+ == (addr_segments[full_segments] & mask);
+ }
+
+ true
+ }
+ _ => false, // IPv4/IPv6 mismatch
+ }
+ }
+}
+
+impl std::str::FromStr for IpNet {
+ type Err = String;
+
+ fn from_str(s: &str) -> Result {
+ Self::parse(s)
+ }
+}
+
+impl std::fmt::Display for IpNet {
+ fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+ write!(f, "{}/{}", self.network, self.prefix)
+ }
+}
+
+/// Configuration for URL validation / SSRF prevention.
+#[derive(Debug, Clone)]
+pub struct UrlValidationConfig {
+ /// Block these CIDR ranges (default: private/reserved).
+ pub blocked_cidrs: Vec,
+ /// Only allow these schemes (default: http, https).
+ pub allowed_schemes: Vec,
+ /// Block these hostnames/patterns.
+ pub blocked_hosts: Vec,
+ /// Require explicit allowlist match (deny-by-default mode).
+ pub allowlist_only: bool,
+ /// Allowed hostnames/patterns (if allowlist_only).
+ pub allowed_hosts: Vec,
+}
+
+impl Default for UrlValidationConfig {
+ fn default() -> Self {
+ Self {
+ blocked_cidrs: vec![
+ IpNet::parse("127.0.0.0/8").unwrap(), // Loopback
+ IpNet::parse("10.0.0.0/8").unwrap(), // Private
+ IpNet::parse("172.16.0.0/12").unwrap(), // Private
+ IpNet::parse("192.168.0.0/16").unwrap(), // Private
+ IpNet::parse("169.254.0.0/16").unwrap(), // Link-local
+ IpNet::parse("0.0.0.0/8").unwrap(), // Current network
+ IpNet::parse("fc00::/7").unwrap(), // IPv6 private
+ IpNet::parse("fe80::/10").unwrap(), // IPv6 link-local
+ IpNet::parse("::1/128").unwrap(), // IPv6 loopback
+ IpNet::parse("100.64.0.0/10").unwrap(), // CGNAT
+ IpNet::parse("192.0.0.0/24").unwrap(), // IETF protocol assignments
+ IpNet::parse("192.0.2.0/24").unwrap(), // TEST-NET-1
+ IpNet::parse("198.18.0.0/15").unwrap(), // Benchmark testing
+ IpNet::parse("198.51.100.0/24").unwrap(), // TEST-NET-2
+ IpNet::parse("203.0.113.0/24").unwrap(), // TEST-NET-3
+ IpNet::parse("224.0.0.0/4").unwrap(), // Multicast
+ IpNet::parse("240.0.0.0/4").unwrap(), // Reserved
+ IpNet::parse("255.255.255.255/32").unwrap(), // Broadcast
+ ],
+ allowed_schemes: vec!["http".into(), "https".into()],
+ blocked_hosts: vec![
+ "localhost".into(),
+ "*.local".into(),
+ "*.internal".into(),
+ "*.localhost".into(),
+ ],
+ allowlist_only: false,
+ allowed_hosts: vec![],
+ }
+ }
+}
+
+impl UrlValidationConfig {
+ /// Create a strict allowlist-only configuration.
+ pub fn allowlist(hosts: Vec) -> Self {
+ Self {
+ allowed_hosts: hosts,
+ allowlist_only: true,
+ ..Default::default()
+ }
+ }
+}
+
+/// Validate a URL against SSRF prevention rules.
+///
+/// # Arguments
+///
+/// * `url` - The URL to validate
+/// * `config` - Validation configuration
+///
+/// # Errors
+///
+/// Returns `ApiError::InvalidField` if the URL is blocked.
+pub async fn validate_url(url: &str, config: &UrlValidationConfig) -> Result<(), ApiError> {
+ let parsed = url::Url::parse(url).map_err(|e| ApiError::InvalidField {
+ field: "url",
+ message: format!("Invalid URL: {}", e),
+ })?;
+
+ // Scheme check
+ let scheme = parsed.scheme();
+ if !config.allowed_schemes.contains(&scheme.to_string()) {
+ return Err(ApiError::InvalidField {
+ field: "url",
+ message: format!(
+ "URL scheme '{}' not allowed (allowed: {})",
+ scheme,
+ config.allowed_schemes.join(", ")
+ ),
+ });
+ }
+
+ // Host extraction
+ let host = parsed.host_str().ok_or_else(|| ApiError::InvalidField {
+ field: "url",
+ message: "URL missing host".into(),
+ })?;
+
+ // Hostname pattern matching (blocked)
+ for blocked in &config.blocked_hosts {
+ if host_matches_pattern(host, blocked) {
+ return Err(ApiError::InvalidField {
+ field: "url",
+ message: format!(
+ "Host '{}' matches blocked pattern '{}'",
+ host, blocked
+ ),
+ });
+ }
+ }
+
+ // Allowlist check
+ if config.allowlist_only {
+ let mut allowed = false;
+ for pattern in &config.allowed_hosts {
+ if host_matches_pattern(host, pattern) {
+ allowed = true;
+ break;
+ }
+ }
+ if !allowed {
+ return Err(ApiError::InvalidField {
+ field: "url",
+ message: format!(
+ "Host '{}' not in allowlist. Allowed hosts: {}",
+ host,
+ config.allowed_hosts.join(", ")
+ ),
+ });
+ }
+ }
+
+ // DNS resolution and IP check
+ // Note: We resolve the hostname to check if it points to blocked IPs
+ let port = parsed.port_or_known_default().unwrap_or(80);
+ let addrs = match tokio::net::lookup_host(format!("{}:{}", host, port)).await {
+ Ok(addrs) => addrs,
+ Err(e) => {
+ // DNS lookup failed - this might be a valid domain that just doesn't exist
+ // or a network issue. We allow this through and let the actual request fail.
+ tracing::warn!("DNS lookup failed for {}: {}", host, e);
+ return Ok(());
+ }
+ };
+
+ for addr in addrs {
+ let ip = addr.ip();
+ for cidr in &config.blocked_cidrs {
+ if cidr.contains(&ip) {
+ return Err(ApiError::InvalidField {
+ field: "url",
+ message: format!(
+ "URL '{}' resolves to blocked IP {} (range: {}) - possible SSRF attempt",
+ url, ip, cidr
+ ),
+ });
+ }
+ }
+ }
+
+ Ok(())
+}
+
+/// Check if a hostname matches a pattern (supports wildcards).
+fn host_matches_pattern(host: &str, pattern: &str) -> bool {
+ let pattern_lower = pattern.to_lowercase();
+ let host_lower = host.to_lowercase();
+
+ if pattern_lower.starts_with("*.") {
+ let suffix = &pattern_lower[2..];
+ host_lower == suffix || host_lower.ends_with(&format!(".{}", suffix))
+ } else {
+ host_lower == pattern_lower
+ }
+}
+
+#[cfg(test)]
+mod tests {
+ use super::*;
+ use std::net::{Ipv4Addr, Ipv6Addr};
+
+ #[test]
+ fn ipnet_ipv4_contains() {
+ let net = IpNet::parse("127.0.0.0/8").unwrap();
+ assert!(net.contains(&IpAddr::V4(Ipv4Addr::new(127, 0, 0, 1))));
+ assert!(net.contains(&IpAddr::V4(Ipv4Addr::new(127, 255, 255, 255))));
+ assert!(!net.contains(&IpAddr::V4(Ipv4Addr::new(128, 0, 0, 1))));
+ }
+
+ #[test]
+ fn ipnet_ipv6_contains() {
+ let net = IpNet::parse("::1/128").unwrap();
+ assert!(net.contains(&IpAddr::V6(Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0, 1))));
+ assert!(!net.contains(&IpAddr::V6(Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0, 2))));
+ }
+
+ #[test]
+ fn host_pattern_matching() {
+ assert!(host_matches_pattern("localhost", "localhost"));
+ assert!(host_matches_pattern("api.localhost", "*.localhost"));
+ assert!(host_matches_pattern("sub.api.localhost", "*.localhost"));
+ assert!(!host_matches_pattern("other.com", "*.localhost"));
+ assert!(host_matches_pattern("service.internal", "*.internal"));
+ }
+
+ #[tokio::test]
+ async fn blocks_localhost_url() {
+ let config = UrlValidationConfig::default();
+ assert!(validate_url("http://localhost/", &config).await.is_err());
+ assert!(validate_url("http://localhost:3000/", &config).await.is_err());
+ assert!(validate_url("http://127.0.0.1/", &config).await.is_err());
+ }
+
+ #[tokio::test]
+ async fn blocks_private_ips() {
+ let config = UrlValidationConfig::default();
+ assert!(validate_url("http://10.0.0.1/", &config).await.is_err());
+ assert!(validate_url("http://192.168.1.1/", &config).await.is_err());
+ assert!(validate_url("http://172.16.0.1/", &config).await.is_err());
+ }
+
+ #[tokio::test]
+ async fn allows_public_urls() {
+ let config = UrlValidationConfig::default();
+ assert!(validate_url("https://example.com/", &config).await.is_ok());
+ assert!(validate_url("https://www.google.com/search", &config).await.is_ok());
+ }
+
+ #[tokio::test]
+ async fn blocks_non_http_schemes() {
+ let config = UrlValidationConfig::default();
+ assert!(validate_url("file:///etc/passwd", &config).await.is_err());
+ assert!(validate_url("ftp://ftp.example.com/", &config).await.is_err());
+ assert!(validate_url("gopher://gopher.example.com/", &config).await.is_err());
+ }
+
+ #[tokio::test]
+ async fn allowlist_mode() {
+ let config = UrlValidationConfig::allowlist(vec!["example.com".into()]);
+
+ assert!(validate_url("https://example.com/", &config).await.is_ok());
+ assert!(validate_url("https://sub.example.com/", &config).await.is_err());
+ assert!(validate_url("https://other.com/", &config).await.is_err());
+
+ let config = UrlValidationConfig::allowlist(vec!["*.example.com".into()]);
+ assert!(validate_url("https://sub.example.com/", &config).await.is_ok());
+ assert!(validate_url("https://deep.sub.example.com/", &config).await.is_ok());
+ }
+}
diff --git a/crates/server/src/state.rs b/crates/server/src/state.rs
index ea8de80..198db13 100644
--- a/crates/server/src/state.rs
+++ b/crates/server/src/state.rs
@@ -15,7 +15,7 @@ use crate::console_store::ConsoleStore;
use crate::metrics::FolioMetrics;
use crate::routes::batch_state::BatchStateManager;
use crate::supervised_engine::SupervisedLibreOfficeEngine;
-use crate::webhook::WebhookQueue;
+use crate::webhook::{WebhookQueue, WebhookUrlValidator};
/// Per-process server state.
#[derive(Clone)]
@@ -33,6 +33,9 @@ pub struct AppState {
pub started_at: Instant,
/// Webhook job queue; `None` when webhook workers are not started.
pub webhook_queue: Option,
+ /// Compiled SSRF + allow/deny regex validator for incoming webhook URLs.
+ /// Default validator (empty allow/deny lists) only enforces SSRF.
+ pub webhook_validator: Arc,
/// Prometheus metrics for monitoring.
pub metrics: Arc,
/// Batch state manager for batch API.
@@ -58,12 +61,20 @@ impl AppState {
config: Arc::new(config),
started_at: Instant::now(),
webhook_queue: None,
+ webhook_validator: Arc::new(WebhookUrlValidator::default()),
metrics,
batch_manager: None,
console: Arc::new(ConsoleStore::new()),
}
}
+ /// Override the webhook URL validator (used by main.rs after compiling
+ /// `--webhook-allow-list` / `--webhook-deny-list`).
+ pub fn with_webhook_validator(mut self, validator: WebhookUrlValidator) -> Self {
+ self.webhook_validator = Arc::new(validator);
+ self
+ }
+
#[cfg(feature = "libreoffice")]
/// Attach a LibreOffice engine.
pub fn with_libreoffice(mut self, libreoffice: Option>) -> Self {
diff --git a/crates/server/src/ulid_utils.rs b/crates/server/src/ulid_utils.rs
new file mode 100644
index 0000000..22d454f
--- /dev/null
+++ b/crates/server/src/ulid_utils.rs
@@ -0,0 +1,151 @@
+//! ULID utility functions for validation and parsing.
+//!
+//! ULIDs provide lexicographic sorting, URL-safety, and 26-character
+//! lowercase encoding using Crockford's base32 alphabet.
+
+use crate::error::ApiError;
+
+/// Crockford's base32 alphabet valid characters.
+const VALID_ULID_CHARS: &[u8] = b"0123456789abcdefghjkmnpqrstvwxyz";
+
+/// Validate a string is a valid ULID format.
+///
+/// ULIDs are exactly 26 characters using Crockford base32 encoding.
+/// Valid characters: 0-9, a-z (excluding i, l, o, u for readability).
+///
+/// # Examples
+///
+/// ```
+/// use server::ulid_utils::is_valid_ulid;
+///
+/// assert!(is_valid_ulid("01hqrqhp6qw2v3c5x7z9abcd8e"));
+/// assert!(!is_valid_ulid("invalid"));
+/// assert!(!is_valid_ulid("550e8400-e29b-41d4-a716-446655440000")); // UUID
+/// ```
+pub fn is_valid_ulid(s: &str) -> bool {
+ if s.len() != 26 {
+ return false;
+ }
+
+ s.bytes().all(|b| VALID_ULID_CHARS.contains(&b))
+}
+
+/// Parse ULID from string with proper error handling.
+///
+/// # Errors
+///
+/// Returns `ApiError::InvalidField` if the string is not a valid ULID.
+pub fn parse_ulid(s: &str) -> Result {
+ if !is_valid_ulid(s) {
+ return Err(ApiError::InvalidField {
+ field: "id",
+ message: format!(
+ "Invalid ULID format: '{}' (expected 26 lowercase chars, got {} chars)",
+ s,
+ s.len()
+ ),
+ });
+ }
+
+ s.parse::().map_err(|e| ApiError::InvalidField {
+ field: "id",
+ message: format!("Failed to parse ULID: {}", e),
+ })
+}
+
+/// Extract ULID from a prefixed string (e.g., "batch_01hqr...").
+pub fn extract_ulid_from_prefixed(s: &str, prefix: &str) -> Result {
+ if !s.starts_with(prefix) {
+ return Err(ApiError::InvalidField {
+ field: "id",
+ message: format!("Expected prefix '{}' in '{}'", prefix, s),
+ });
+ }
+
+ let ulid_part = &s[prefix.len()..];
+ parse_ulid(ulid_part)
+}
+
+/// Generate a new ULID string in lowercase.
+pub fn generate_ulid() -> String {
+ ulid::Ulid::new().to_string().to_lowercase()
+}
+
+/// Generate a new ULID with a prefix (e.g., "batch_01hqr...").
+pub fn generate_prefixed_ulid(prefix: &str) -> String {
+ format!("{}{}", prefix, generate_ulid())
+}
+
+#[cfg(test)]
+mod tests {
+ use super::*;
+
+ #[test]
+ fn ulid_generation_is_lowercase() {
+ let id = generate_ulid();
+ assert!(id.chars().all(|c| c.is_ascii_lowercase() || c.is_ascii_digit()));
+ assert_eq!(id.len(), 26);
+ }
+
+ #[test]
+ fn ulid_sorting_is_chronological() {
+ let id1 = generate_ulid();
+ std::thread::sleep(std::time::Duration::from_millis(2));
+ let id2 = generate_ulid();
+ assert!(id1 < id2, "ULIDs should sort chronologically");
+ }
+
+ #[test]
+ fn valid_ulid_passes() {
+ assert!(is_valid_ulid("01hqrqhp6qw2v3c5x7z9abcd8e"));
+ assert!(is_valid_ulid("00000000000000000000000000"));
+ assert!(is_valid_ulid("7zzzzzzzzzzzzzzzzzzzzzzzzz"));
+ }
+
+ #[test]
+ fn invalid_ulid_rejected() {
+ // Wrong length
+ assert!(!is_valid_ulid("tooshort"));
+ assert!(!is_valid_ulid("waytoolongwaytoolongwaytoolong"));
+
+ // Invalid characters
+ assert!(!is_valid_ulid("01hqrqhp6qw2v3c5x7z9abcd8i")); // 'i' not allowed
+ assert!(!is_valid_ulid("01hqrqhp6qw2v3c5x7z9abcd8l")); // 'l' not allowed
+ assert!(!is_valid_ulid("01hqrqhp6qw2v3c5x7z9abcd8o")); // 'o' not allowed
+ assert!(!is_valid_ulid("01hqrqhp6qw2v3c5x7z9abcd8u")); // 'u' not allowed
+
+ // Uppercase (should be lowercase)
+ assert!(!is_valid_ulid("01HQRQHP6QW2V3C5X7Z9ABCD8E"));
+ }
+
+ #[test]
+ fn parse_ulid_valid() {
+ let result = parse_ulid("01hqrqhp6qw2v3c5x7z9abcd8e");
+ assert!(result.is_ok());
+ }
+
+ #[test]
+ fn parse_ulid_invalid() {
+ let result = parse_ulid("invalid");
+ assert!(result.is_err());
+ let err = result.unwrap_err().to_string();
+ assert!(err.contains("Invalid ULID format"));
+ }
+
+ #[test]
+ fn extract_from_prefixed() {
+ let result = extract_ulid_from_prefixed("batch_01hqrqhp6qw2v3c5x7z9abcd8e", "batch_");
+ assert!(result.is_ok());
+
+ let result = extract_ulid_from_prefixed("wrongprefix_01hqrqhp6qw2v3c5x7z9abcd8e", "batch_");
+ assert!(result.is_err());
+ }
+
+ #[test]
+ fn generate_prefixed() {
+ let id = generate_prefixed_ulid("batch_");
+ assert!(id.starts_with("batch_"));
+ assert_eq!(id.len(), 32); // 6 + 26
+ assert!(id.chars().skip(6).all(|c| c.is_ascii_lowercase() || c.is_ascii_digit()));
+ }
+}
diff --git a/crates/server/src/webhook/circuit_breaker.rs b/crates/server/src/webhook/circuit_breaker.rs
new file mode 100644
index 0000000..411522e
--- /dev/null
+++ b/crates/server/src/webhook/circuit_breaker.rs
@@ -0,0 +1,287 @@
+//! Circuit breaker pattern for webhook delivery.
+//!
+//! Prevents cascading failures by stopping delivery attempts after
+//! consecutive failures, with automatic recovery testing.
+
+use std::future::Future;
+use std::sync::atomic::{AtomicU32, Ordering};
+use std::time::{Duration, Instant};
+use tokio::sync::RwLock;
+
+/// Circuit breaker states.
+#[derive(Debug, Clone, Copy, PartialEq, Eq)]
+pub enum CircuitState {
+ /// Normal operation - requests pass through.
+ Closed,
+ /// Failing fast - requests rejected immediately.
+ Open,
+ /// Testing if service has recovered.
+ HalfOpen,
+}
+
+/// Circuit breaker configuration.
+#[derive(Debug, Clone)]
+pub struct CircuitBreakerConfig {
+ /// Number of consecutive failures before opening circuit.
+ pub failure_threshold: u32,
+ /// Duration to wait before attempting recovery (half-open).
+ pub reset_timeout: Duration,
+ /// Successes required in half-open state to close circuit.
+ pub success_threshold: u32,
+}
+
+impl Default for CircuitBreakerConfig {
+ fn default() -> Self {
+ Self {
+ failure_threshold: 5,
+ reset_timeout: Duration::from_secs(60),
+ success_threshold: 3,
+ }
+ }
+}
+
+/// Circuit breaker for protecting webhook endpoints.
+pub struct CircuitBreaker {
+ config: CircuitBreakerConfig,
+ failures: AtomicU32,
+ successes: AtomicU32,
+ last_failure: RwLock>,
+ state: RwLock,
+}
+
+impl CircuitBreaker {
+ /// Create a new circuit breaker with the given configuration.
+ pub fn new(config: CircuitBreakerConfig) -> Self {
+ Self {
+ config,
+ failures: AtomicU32::new(0),
+ successes: AtomicU32::new(0),
+ last_failure: RwLock::new(None),
+ state: RwLock::new(CircuitState::Closed),
+ }
+ }
+
+ /// Get the current circuit state.
+ pub async fn state(&self) -> CircuitState {
+ *self.state.read().await
+ }
+
+ /// Execute a function with circuit breaker protection.
+ ///
+ /// # Returns
+ ///
+ /// - `Ok(result)` if the function succeeds
+ /// - `Err(CircuitBreakerError::Open)` if circuit is open
+ /// - `Err(CircuitBreakerError::Inner(e))` if the function fails
+ pub async fn call(&self, f: F) -> Result>
+ where
+ F: FnOnce() -> Fut,
+ Fut: Future