2 files changed, 202 insertions, 0 deletions
diff --git a/admin/survey/minify/lib/Minify/Source/Factory.php b/admin/survey/minify/lib/Minify/Source/Factory.php
new file mode 100644
index 0000000..4371931
--- /dev/null
+++ b/admin/survey/minify/lib/Minify/Source/Factory.php
@@ -0,0 +1,197 @@
+<?php
+
+class Minify_Source_Factory
+{
+
+    /**
+     * @var array
+     */
+    protected $options;
+
+    /**
+     * @var callable[]
+     */
+    protected $handlers = array();
+
+    /**
+     * @var Minify_Env
+     */
+    protected $env;
+
+    /**
+     * @param Minify_Env            $env
+     * @param array                 $options
+     *
+     *   noMinPattern        : Pattern matched against basename of the filepath (if present). If the pattern
+     *                         matches, Minify will try to avoid re-compressing the resource.
+     *
+     *   fileChecker         : Callable responsible for verifying the existence of the file.
+     *
+     *   resolveDocRoot      : If true, a leading "//" will be replaced with the document root.
+     *
+     *   checkAllowDirs      : If true, the filepath will be verified to be within one of the directories
+     *                         specified by allowDirs.
+     *
+     *   allowDirs           : Directory paths in which sources can be served.
+     *
+     *   uploaderHoursBehind : How many hours behind are the file modification times of uploaded files?
+     *                         If you upload files from Windows to a non-Windows server, Windows may report
+     *                         incorrect mtimes for the files. Immediately after modifying and uploading a
+     *                         file, use the touch command to update the mtime on the server. If the mtime
+     *                         jumps ahead by a number of hours, set this variable to that number. If the mtime
+     *                         moves back, this should not be needed.
+     *
+     * @param Minify_CacheInterface $cache Optional cache for handling .less files.
+     *
+     */
+    public function __construct(Minify_Env $env, array $options = array(), Minify_CacheInterface $cache = null)
+    {
+        $this->env = $env;
+        $this->options = array_merge(array(
+            'noMinPattern' => '@[-\\.]min\\.(?:[a-zA-Z]+)$@i', // matched against basename
+            'fileChecker' => array($this, 'checkIsFile'),
+            'resolveDocRoot' => true,
+            'checkAllowDirs' => true,
+            'allowDirs' => array('//'),
+            'uploaderHoursBehind' => 0,
+        ), $options);
+
+        // resolve // in allowDirs
+        $docRoot = $env->getDocRoot();
+        foreach ($this->options['allowDirs'] as $i => $dir) {
+            if (0 === strpos($dir, '//')) {
+                $this->options['allowDirs'][$i] = $docRoot . substr($dir, 1);
+            }
+        }
+
+        if ($this->options['fileChecker'] && !is_callable($this->options['fileChecker'])) {
+            throw new InvalidArgumentException("fileChecker option is not callable");
+        }
+
+        $this->setHandler('~\.less$~i', function ($spec) use ($cache) {
+            return new Minify_LessCssSource($spec, $cache);
+        });
+
+        $this->setHandler('~\.scss~i', function ($spec) use ($cache) {
+            return new Minify_ScssCssSource($spec, $cache);
+        });
+
+        $this->setHandler('~\.(js|css)$~i', function ($spec) {
+            return new Minify_Source($spec);
+        });
+    }
+
+    /**
+     * @param string   $basenamePattern A pattern tested against basename. E.g. "~\.css$~"
+     * @param callable $handler         Function that recieves a $spec array and returns a Minify_SourceInterface
+     */
+    public function setHandler($basenamePattern, $handler)
+    {
+        $this->handlers[$basenamePattern] = $handler;
+    }
+
+    /**
+     * @param string $file
+     * @return string
+     *
+     * @throws Minify_Source_FactoryException
+     */
+    public function checkIsFile($file)
+    {
+        $realpath = realpath($file);
+        if (!$realpath) {
+            throw new Minify_Source_FactoryException("File failed realpath(): $file");
+        }
+
+        $basename = basename($file);
+        if (0 === strpos($basename, '.')) {
+            throw new Minify_Source_FactoryException("Filename starts with period (may be hidden): $basename");
+        }
+
+        if (!is_file($realpath) || !is_readable($realpath)) {
+            throw new Minify_Source_FactoryException("Not a file or isn't readable: $file");
+        }
+
+        return $realpath;
+    }
+
+    /**
+     * @param mixed $spec
+     *
+     * @return Minify_SourceInterface
+     *
+     * @throws Minify_Source_FactoryException
+     */
+    public function makeSource($spec)
+    {
+        if (is_string($spec)) {
+            $spec = array(
+                'filepath' => $spec,
+            );
+        } elseif ($spec instanceof Minify_SourceInterface) {
+            return $spec;
+        }
+
+        $source = null;
+
+        if (empty($spec['filepath'])) {
+            // not much we can check
+            return new Minify_Source($spec);
+        }
+
+        if ($this->options['resolveDocRoot'] && 0 === strpos($spec['filepath'], '//')) {
+            $spec['filepath'] = $this->env->getDocRoot() . substr($spec['filepath'], 1);
+        }
+
+        if (!empty($this->options['fileChecker'])) {
+            $spec['filepath'] = call_user_func($this->options['fileChecker'], $spec['filepath']);
+        }
+
+        if ($this->options['checkAllowDirs']) {
+            $allowDirs = (array)$this->options['allowDirs'];
+            $inAllowedDir = false;
+            $filePath = $this->env->normalizePath($spec['filepath']);
+            foreach ($allowDirs as $allowDir) {
+                if (strpos($filePath, $this->env->normalizePath($allowDir)) === 0) {
+                    $inAllowedDir = true;
+                }
+            }
+
+            if (!$inAllowedDir) {
+                $allowDirsStr = implode(';', $allowDirs);
+                throw new Minify_Source_FactoryException("File '{$spec['filepath']}' is outside \$allowDirs "
+                    . "($allowDirsStr). If the path is resolved via an alias/symlink, look into the "
+                    . "\$min_symlinks option.");
+            }
+        }
+
+        $basename = basename($spec['filepath']);
+
+        if ($this->options['noMinPattern'] && preg_match($this->options['noMinPattern'], $basename)) {
+            if (preg_match('~\.(css|less)$~i', $basename)) {
+                $spec['minifyOptions']['compress'] = false;
+                // we still want URI rewriting to work for CSS
+            } else {
+                $spec['minifier'] = 'Minify::nullMinifier';
+            }
+        }
+
+        $hoursBehind = $this->options['uploaderHoursBehind'];
+        if ($hoursBehind != 0) {
+            $spec['uploaderHoursBehind'] = $hoursBehind;
+        }
+
+        foreach ($this->handlers as $basenamePattern => $handler) {
+            if (preg_match($basenamePattern, $basename)) {
+                $source = call_user_func($handler, $spec);
+                break;
+            }
+        }
+
+        if (!$source) {
+            throw new Minify_Source_FactoryException("Handler not found for file: $basename");
+        }
+
+        return $source;
+    }
+}
diff --git a/admin/survey/minify/lib/Minify/Source/FactoryException.php b/admin/survey/minify/lib/Minify/Source/FactoryException.php
new file mode 100644
index 0000000..bbc9833
--- /dev/null
+++ b/admin/survey/minify/lib/Minify/Source/FactoryException.php
@@ -0,0 +1,5 @@
+<?php
+
+class Minify_Source_FactoryException extends Exception
+{
+}