LatchInstall.php

<?php

/*
  Latch phpMyAdmin plugin - Integrates Latch into the phpMyAdmin authentication process.
  Copyright (C) 2013 Eleven Paths

  This library is free software; you can redistribute it and/or
  modify it under the terms of the GNU Lesser General Public
  License as published by the Free Software Foundation; either
  version 2.1 of the License, or (at your option) any later version.

  This library is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  Lesser General Public License for more details.

  You should have received a copy of the GNU Lesser General Public
  License along with this library; if not, write to the Free Software
  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */
if (file_exists("libraries/plugins/latch/LatchConfiguration.php")) {
    echo "<h1>Latch is already installed.</h1>";
    die();
}
echo "<h1>Latch installation started.</h1>";

echo "<ol>";
if (file_exists("index.php")) {
    copy("index.php", "index.php.bak");
    echo "<li> index.php backed up.</li>";
}
if (file_exists("config.inc.php")) {
    copy("config.inc.php", "config.inc.php.bak");
    echo "<li> config.inc.php backed up.</li>";
} else if (file_exists("config.sample.inc.php")) {
    copy("config.sample.inc.php", "config.inc.php");
    copy("config.inc.php", "config.inc.php.bak");
    echo "<li> created config.inc.php from sample and backed up.</li>";
}
try {
    copy("LatchPlugin/libraries/LatchWrapper.php", "libraries/LatchWrapper.php");
    copy("LatchPlugin/libraries/LatchPersistence.php", "libraries/LatchPersistence.php");
    copy("LatchPlugin/libraries/plugins/auth/AuthenticationLatch.class.php", "libraries/plugins/auth/AuthenticationLatch.class.php");

    echo "<li> files copied </li>";

    $src = "LatchPlugin/libraries/plugins/latch";
    $dst = "libraries/plugins/latch";
    $dir = opendir($src);
    @mkdir($dst);
    while (false !== ( $file = readdir($dir))) {
        if (( $file != '.' ) && ( $file != '..' )) {
            if (is_dir($src . '/' . $file)) {
                recurse_copy($src . '/' . $file, $dst . '/' . $file);
            } else {
                copy($src . '/' . $file, $dst . '/' . $file);
            }
        }
    }
    closedir($dir);
} catch (Exception $e) {
    echo "<b> there has been an error copying Latch files, please Uninstall the plugin and reinstall it. </b>";
    die();
}

try {

    $lineToWrite = 0;
    $textToInclude = "include_once 'libraries/plugins/latch/LatchFields.php';";
    $textToFind = 'main_pane_right';
    $content = file("index.php");

    for ($line = 0; $line < count($content); $line++) {

        if (strpos($content[$line], $textToFind) !== false) {

            $return = false;
            $lineToWrite = --$line;
            while (!$return) {
                $prevLine = $content[$lineToWrite];

                if (trim($prevLine) == "") {
                    $lineToWrite--;
                } else {
                    $content[$lineToWrite] = $textToInclude . "\n" . $content[$lineToWrite];
                    file_put_contents("index.php", $content);
                    $return = true;
                }
            }

            break;
            echo "<li>index.php adapted. </li>";
        }
    }
} catch (Exception $e) {
    echo "<b>there has been an error modifying index.php, please uninstall the plugin and reinstall it again. </b>";
    die();
}

try {
    $config = file("config.inc.php");
    $auth_type = "Latch";
    $auth_target = "";

    for ($line = 0; $line < count($config); $line++) {
        if (strpos($config[$line], '$cfg[\'Servers\'][$i][\'auth_type\']') !== false) {
            $auth_ex = explode(" ", trim($config[$line]));
            if ($auth_ex != null && count($auth_ex) > 0) {
                $auth_target = $auth_ex[2];

                $config[$line] = '$cfg[\'Servers\'][$i][\'auth_type\'] = \'Latch\';' . "\n";
                $config[$line].= '$cfg[\'Servers\'][$i][\'auth_target\'] =' . $auth_target . "\n";
                $config[$line].= 'include "libraries/LatchWrapper.php";' . "\n";

                file_put_contents("config.inc.php", $config);
            }
            echo "<li>config.inc.php adapted.</li>";
            break;
        }
    }
} catch (Exception $e) {
    echo "<b>there has been an error modifying config.inc.php, please uninstall the plugin and reinstall it again. </b>";
    die();
}
echo "</ol>";
echo "<h2>Latch installation completed, you may now delete this script and the LatchPlugin folder.</h2>";
?>