Revert Revert (aka re-introduce) "Clean up credentials"

.ruby-gemset

@@ -0,0 +1 @@
+micropurchase

app/mailers/admin_mailer.rb

@@ -11,7 +11,7 @@ def vendor_started_work(auction:)
       to: ADMIN_EMAIL_ADDRESS,
       subject: I18n.t('mailers.admin_mailer.vendor_started_work.subject',
                       auction_name: @auction.title),
-      from: SMTPCredentials.default_from,
+      from: Credentials.smtp_default_from,
       reply_to: 'micropurchase@gsa.gov'
     )
   end
@@ -27,7 +27,7 @@ def vendor_finished_work(auction:)
       subject: I18n.t('mailers.admin_mailer.vendor_finished_work.subject',
                       winner_name: @winner_name,
                       auction_name: @auction.title),
-      from: SMTPCredentials.default_from,
+      from: Credentials.smtp_default_from,
       reply_to: 'micropurchase@gsa.gov'
     )
   end

app/mailers/auction_mailer.rb

@@ -5,7 +5,7 @@ def losing_bidder_notification(bidder:, auction:)
     mail(
       to: bidder.email,
       subject: I18n.t('mailers.auction_mailer.losing_bidder_notification.subject'),
-      from: SMTPCredentials.default_from,
+      from: Credentials.smtp_default_from,
       reply_to: 'micropurchase@gsa.gov'
     )
   end
@@ -17,7 +17,7 @@ def auction_accepted_customer_notification(auction:)
     mail(
       to: customer.email,
       subject: I18n.t('mailers.auction_mailer.auction_accepted_customer_notification.subject'),
-      from: SMTPCredentials.default_from,
+      from: Credentials.smtp_default_from,
       reply_to: 'micropurchase@gsa.gov'
     )
   end

app/mailers/winning_bidder_mailer.rb

@@ -5,7 +5,7 @@ def auction_ended(bidder:, auction:)
     mail(
       to: bidder.email,
       subject: I18n.t('mailers.winning_bidder_mailer.auction_ended.subject'),
-      from: SMTPCredentials.default_from,
+      from: Credentials.smtp_default_from,
       reply_to: 'micropurchase@gsa.gov'
     )
   end
@@ -17,7 +17,7 @@ def auction_accepted(auction:)
     mail(
       to: @winning_bid.bidder.email,
       subject: I18n.t('mailers.winning_bidder_mailer.auction_accepted.subject'),
-      from: SMTPCredentials.default_from,
+      from: Credentials.smtp_default_from,
       reply_to: 'micropurchase@gsa.gov'
     )
   end
@@ -29,7 +29,7 @@ def auction_accepted_missing_payment_method(auction:)
     mail(
       to: @winning_bid.bidder.email,
       subject: I18n.t('mailers.winning_bidder_mailer.auction_accepted_missing_payment_method.subject'),
-      from: SMTPCredentials.default_from,
+      from: Credentials.smtp_default_from,
       reply_to: 'micropurchase@gsa.gov'
     )
   end
@@ -42,7 +42,7 @@ def auction_rejected(auction:)
     mail(
       to: @winning_bid.bidder.email,
       subject: I18n.t('mailers.winning_bidder_mailer.auction_rejected.subject'),
-      from: SMTPCredentials.default_from,
+      from: Credentials.smtp_default_from,
       reply_to: 'micropurchase@gsa.gov'
     )
   end
@@ -56,7 +56,7 @@ def auction_not_delivered(auction:)
       to: @winning_bid.bidder.email,
       subject: I18n.t('mailers.winning_bidder_mailer.auction_not_delivered.subject',
                       auction_title: @auction.title),
-      from: SMTPCredentials.default_from,
+      from: Credentials.smtp_default_from,
       reply_to: 'micropurchase@gsa.gov'
     )
   end
@@ -71,7 +71,7 @@ def auction_paid_default_pcard(auction:)
         'mailers.winning_bidder_mailer.auction_paid_default_pcard.subject',
         auction_title: @auction.title
       ),
-      from: SMTPCredentials.default_from,
+      from: Credentials.smtp_default_from,
       reply_to: 'micropurchase@gsa.gov'
     )
   end
@@ -86,7 +86,7 @@ def auction_paid_other_pcard(auction:)
         'mailers.winning_bidder_mailer.auction_paid_other_pcard.subject',
         auction_title: @auction.title
       ),
-      from: SMTPCredentials.default_from,
+      from: Credentials.smtp_default_from,
       reply_to: 'micropurchase@gsa.gov'
     )
   end

app/models/credentials.rb

@@ -0,0 +1,25 @@
+class Credentials
+  def get(*name)
+    type_delegate.get(*name)
+  end
+
+  def self.get(*name)
+    new.get(*name)
+  end
+
+  def self.map(method_name, options)
+    define_singleton_method(method_name) do
+      new.get(options[:to])
+    end
+  end
+
+  private
+
+  def type_delegate
+    @credentials_delegate ||= local? ? Local.new : CloudFoundry.new
+  end
+
+  def local?
+    Rails.env == 'development' || Rails.env == 'test'
+  end
+end

app/models/credentials/cloud_foundry.rb

@@ -0,0 +1,19 @@
+class Credentials::CloudFoundry
+  attr_reader :data
+
+  def get(namespace, key = nil)
+    service(namespace)[key] || local(namespace, key)
+  end
+
+  def service(namespace)
+    services.find { |service| service['name'] == namespace } || { }
+  end
+
+  def services
+    @services ||= JSON.parse(ENV['VCAP_SERVICES'])['user-provided']
+  end
+
+  def local(namespace, key)
+    key ? Local.new.get(namespace, key) : Credentials::Local.new.get(namespace)
+  end
+end

app/models/credentials/local.rb

@@ -0,0 +1,11 @@
+class Credentials::Local
+  def get(*name)
+    ENV[normalize(*name)]
+  end
+
+  private
+
+  def normalize(*names)
+    names.join('_').underscore.upcase
+  end
+end

app/models/sam_account_reckoner.rb

@@ -45,7 +45,7 @@ def sam_status
   end
 
   def client
-    @client ||= Samwise::Client.new(api_key: DataDotGovCredentials.api_key)
+    @client ||= Samwise::Client.new(api_key: Credentials.data_dot_gov_api_key)
   end
 
   def vendor_summary

app/models/winning_bidder_export.rb

@@ -162,6 +162,6 @@ def winning_bid
   end
 
   def client
-    @client ||= Samwise::Client.new(api_key: DataDotGovCredentials.api_key)
+    @client ||= Samwise::Client.new(api_key: Credentials.data_dot_gov_api_key)
   end
 end

app/services/c2_api_wrapper.rb

@@ -10,15 +10,15 @@ def proposal_json(auction)
   end
 
   def c2_proposal_path(auction)
-    auction.c2_proposal_url.gsub("#{C2Credentials.host}/", "")
+    auction.c2_proposal_url.gsub("#{Credentials.c2_host}/", "")
   end
 
   def configure_c2_client
     C2::Client.new(
-      oauth_key: C2Credentials.oauth_key,
-      oauth_secret: C2Credentials.oauth_secret,
-      host: C2Credentials.host,
-      debug: ENV.fetch('C2_DEBUG', false)
+      oauth_key:    Credentials.get('micropurchase-c2', 'oauth_key'),
+      oauth_secret: Credentials.get('micropurchase-c2', 'oauth_secret'),
+      host:         Credentials.c2_host,
+      debug:        ENV.fetch('C2_DEBUG', false)
     )
   end
 end

app/services/create_c2_proposal.rb

@@ -19,7 +19,7 @@ def perform
   attr_reader :auction
 
   def proposal_url
-    "#{C2Credentials.host}/proposals/#{proposal.id}"
+    "#{Credentials.c2_host}/proposals/#{proposal.id}"
   end
 
   def proposal

app/services/tock_importer.rb

@@ -23,8 +23,12 @@ def data
 
   def request
     RestClient.get(
-      TOCK_PROJECTS,
-      'Authorization' => "Token #{TockCredentials.api_token}"
+      TOCK_PROJECTS, 'Authorization' => "Token #{token}"
     )
   end
+
+  def token
+    Credentials.get('micropurchase-tock', 'api_token') ||
+      Credentials.get('micropurchase-tock', 'api_key')
+  end
 end