119 lines
3.6 KiB
PHP
Executable File
119 lines
3.6 KiB
PHP
Executable File
<?php
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/**
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* Class Minify_Controller_Version1
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* @package Minify
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*/
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require_once 'Minify/Controller/Base.php';
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/**
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* Controller class for emulating version 1 of minify.php
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*
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* <code>
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* Minify::serve('Version1');
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* </code>
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*
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* @package Minify
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* @author Stephen Clay <steve@mrclay.org>
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*/
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class Minify_Controller_Version1 extends Minify_Controller_Base {
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/**
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* Set up groups of files as sources
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*
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* @param array $options controller and Minify options
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* @return array Minify options
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*
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*/
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public function setupSources($options) {
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self::_setupDefines();
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if (MINIFY_USE_CACHE) {
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$cacheDir = defined('MINIFY_CACHE_DIR')
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? MINIFY_CACHE_DIR
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: '';
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Minify::setCache($cacheDir);
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}
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$options['badRequestHeader'] = 'HTTP/1.0 404 Not Found';
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$options['contentTypeCharset'] = MINIFY_ENCODING;
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// The following restrictions are to limit the URLs that minify will
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// respond to. Ideally there should be only one way to reference a file.
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if (! isset($_GET['files'])
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// verify at least one file, files are single comma separated,
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// and are all same extension
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|| ! preg_match('/^[^,]+\\.(css|js)(,[^,]+\\.\\1)*$/', $_GET['files'], $m)
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// no "//" (makes URL rewriting easier)
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|| strpos($_GET['files'], '//') !== false
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// no "\"
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|| strpos($_GET['files'], '\\') !== false
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// no "./"
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|| preg_match('/(?:^|[^\\.])\\.\\//', $_GET['files'])
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) {
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return $options;
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}
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$extension = $m[1];
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$files = explode(',', $_GET['files']);
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if (count($files) > MINIFY_MAX_FILES) {
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return $options;
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}
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// strings for prepending to relative/absolute paths
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$prependRelPaths = dirname($_SERVER['SCRIPT_FILENAME'])
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. DIRECTORY_SEPARATOR;
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$prependAbsPaths = $_SERVER['DOCUMENT_ROOT'];
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$sources = array();
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$goodFiles = array();
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$hasBadSource = false;
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$allowDirs = isset($options['allowDirs'])
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? $options['allowDirs']
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: MINIFY_BASE_DIR;
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foreach ($files as $file) {
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// prepend appropriate string for abs/rel paths
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$file = ($file[0] === '/' ? $prependAbsPaths : $prependRelPaths) . $file;
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// make sure a real file!
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$file = realpath($file);
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// don't allow unsafe or duplicate files
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if (parent::_fileIsSafe($file, $allowDirs)
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&& !in_array($file, $goodFiles))
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{
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$goodFiles[] = $file;
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$srcOptions = array(
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'filepath' => $file
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);
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$this->sources[] = new Minify_Source($srcOptions);
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} else {
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$hasBadSource = true;
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break;
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}
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}
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if ($hasBadSource) {
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$this->sources = array();
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}
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if (! MINIFY_REWRITE_CSS_URLS) {
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$options['rewriteCssUris'] = false;
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}
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return $options;
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}
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private static function _setupDefines()
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{
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$defaults = array(
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'MINIFY_BASE_DIR' => realpath($_SERVER['DOCUMENT_ROOT'])
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,'MINIFY_ENCODING' => 'utf-8'
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,'MINIFY_MAX_FILES' => 16
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,'MINIFY_REWRITE_CSS_URLS' => true
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,'MINIFY_USE_CACHE' => true
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);
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foreach ($defaults as $const => $val) {
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if (! defined($const)) {
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define($const, $val);
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}
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}
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}
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}
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