/**
* Set up groups of files as sources
*
* @param array $options controller and Minify options
* @return array Minify options
*
*/
public function setupSources($options)
{
self::_setupDefines();
if (MINIFY_USE_CACHE) {
$cacheDir = defined('MINIFY_CACHE_DIR') ? MINIFY_CACHE_DIR : '';
Diglin_Minify::setCache($cacheDir);
}
$options['badRequestHeader'] = 'HTTP/1.0 404 Not Found';
$options['contentTypeCharset'] = MINIFY_ENCODING;
// The following restrictions are to limit the URLs that minify will
// respond to. Ideally there should be only one way to reference a file.
if (!isset($_GET['files']) || !preg_match('/^[^,]+\\.(css|js)(,[^,]+\\.\\1)*$/', $_GET['files'], $m) || strpos($_GET['files'], '//') !== false || strpos($_GET['files'], '\\') !== false || preg_match('/(?:^|[^\\.])\\.\\//', $_GET['files'])) {
return $options;
}
$extension = $m[1];
$files = explode(',', $_GET['files']);
if (count($files) > MINIFY_MAX_FILES) {
return $options;
}
// strings for prepending to relative/absolute paths
$prependRelPaths = dirname($_SERVER['SCRIPT_FILENAME']) . DIRECTORY_SEPARATOR;
$prependAbsPaths = $_SERVER['DOCUMENT_ROOT'];
$sources = array();
$goodFiles = array();
$hasBadSource = false;
$allowDirs = isset($options['allowDirs']) ? $options['allowDirs'] : MINIFY_BASE_DIR;
foreach ($files as $file) {
// prepend appropriate string for abs/rel paths
$file = ($file[0] === '/' ? $prependAbsPaths : $prependRelPaths) . $file;
// make sure a real file!
$file = realpath($file);
// don't allow unsafe or duplicate files
if (parent::_fileIsSafe($file, $allowDirs) && !in_array($file, $goodFiles)) {
$goodFiles[] = $file;
$srcOptions = array('filepath' => $file);
$this->sources[] = new Diglin_Minify_Source($srcOptions);
} else {
$hasBadSource = true;
break;
}
}
if ($hasBadSource) {
$this->sources = array();
}
if (!MINIFY_REWRITE_CSS_URLS) {
$options['rewriteCssUris'] = false;
}
return $options;
}
