1: <?php
  2: /**
  3:  * This file compresses the TinyMCE JavaScript using GZip and
  4:  * enables the browser to do two requests instead of one for each .js file.
  5:  * Notice: This script defaults the button_tile_map option to true for extra performance.
  6:  *
  7:  * @package    Core
  8:  * @subpackage Backend
  9:  * @version    SVN Revision $Rev:$
 10:  *
 11:  * @author     Martin Horwath, horwath@dayside.net
 12:  * @copyright  four for business AG <www.4fb.de>
 13:  * @license    http://www.contenido.org/license/LIZENZ.txt
 14:  * @link       http://www.4fb.de
 15:  * @link       http://www.contenido.org
 16:  */
 17: 
 18: defined('CON_FRAMEWORK') || die('Illegal call: Missing framework initialization - request aborted.');
 19: 
 20:     // Set the error reporting to minimal.
 21:     @error_reporting(E_ERROR | E_WARNING | E_PARSE);
 22: 
 23:     // Get input
 24:     $plugins = explode(',', getParam("plugins", ""));
 25:     $languages = explode(',', getParam("languages", ""));
 26:     $themes = explode(',', getParam("themes", ""));
 27:     $diskCache = getParam("diskcache", "") == "true";
 28:     $isJS = getParam("js", "") == "true";
 29:     $compress = getParam("compress", "true") == "true";
 30:     $core = getParam("core", "true") == "true";
 31:     $suffix = getParam("suffix", "_src") == "_src" ? "_src" : "";
 32:     $cachePath = realpath("."); // Cache path, this is where the .gz files will be stored
 33:     $expiresOffset = 3600 * 24 * 10; // Cache for 10 days in browser cache
 34:     $content = "";
 35:     $encodings = array();
 36:     $supportsGzip = false;
 37:     $enc = "";
 38:     $cacheKey = "";
 39: 
 40:     // Custom extra javascripts to pack
 41:     $custom = array(/*
 42:         "some custom .js file",
 43:         "some custom .js file"
 44:     */);
 45: 
 46:     // Headers
 47:     header("Content-type: text/javascript");
 48:     header("Vary: Accept-Encoding");  // Handle proxies
 49:     header("Expires: " . gmdate("D, d M Y H:i:s", time() + $expiresOffset) . " GMT");
 50: 
 51:     // Is called directly then auto init with default settings
 52:     if (!$isJS) {
 53:         echo getFileContents("tiny_mce_gzip.js");
 54:         echo "tinyMCE_GZ.init({});";
 55:         die();
 56:     }
 57: 
 58:     // Setup cache info
 59:     if ($diskCache) {
 60:         if (!$cachePath)
 61:             die("alert('Real path failed.');");
 62: 
 63:         $cacheKey = getParam("plugins", "") . getParam("languages", "") . getParam("themes", "") . $suffix;
 64: 
 65:         foreach ($custom as $file)
 66:             $cacheKey .= $file;
 67: 
 68:         $cacheKey = md5($cacheKey);
 69: 
 70:         if ($compress)
 71:             $cacheFile = $cachePath . "/tiny_mce_" . $cacheKey . ".gz";
 72:         else
 73:             $cacheFile = $cachePath . "/tiny_mce_" . $cacheKey . ".js";
 74:     }
 75: 
 76:     // Check if it supports gzip
 77:     if (isset($_SERVER['HTTP_ACCEPT_ENCODING']))
 78:         $encodings = explode(',', strtolower(preg_replace("/\s+/", "", $_SERVER['HTTP_ACCEPT_ENCODING'])));
 79: 
 80:     if ((in_array('gzip', $encodings) || in_array('x-gzip', $encodings) || isset($_SERVER['---------------'])) && function_exists('ob_gzhandler') && !ini_get('zlib.output_compression')) {
 81:         $enc = in_array('x-gzip', $encodings) ? "x-gzip" : "gzip";
 82:         $supportsGzip = true;
 83:     }
 84: 
 85:     // Use cached file disk cache
 86:     if ($diskCache && $supportsGzip && file_exists($cacheFile)) {
 87:         if ($compress)
 88:             header("Content-Encoding: " . $enc);
 89: 
 90:         echo getFileContents($cacheFile);
 91:         die();
 92:     }
 93: 
 94:     // Add core
 95:     if ($core == "true") {
 96:         $content .= getFileContents("tiny_mce" . $suffix . ".js");
 97: 
 98:         // Patch loading functions
 99:         $content .= "tinyMCE_GZ.start();";
100:     }
101: 
102:     // Add core languages
103:     foreach ($languages as $lang)
104:         $content .= getFileContents("langs/" . $lang . ".js");
105: 
106:     // Add themes
107:     foreach ($themes as $theme) {
108:         $content .= getFileContents( "themes/" . $theme . "/editor_template" . $suffix . ".js");
109: 
110:         foreach ($languages as $lang)
111:             $content .= getFileContents("themes/" . $theme . "/langs/" . $lang . ".js");
112:     }
113: 
114:     // Add plugins
115:     foreach ($plugins as $plugin) {
116:         $content .= getFileContents("plugins/" . $plugin . "/editor_plugin" . $suffix . ".js");
117: 
118:         foreach ($languages as $lang)
119:             $content .= getFileContents("plugins/" . $plugin . "/langs/" . $lang . ".js");
120:     }
121: 
122:     // Add custom files
123:     foreach ($custom as $file)
124:         $content .= getFileContents($file);
125: 
126:     // Restore loading functions
127:     if ($core == "true")
128:         $content .= "tinyMCE_GZ.end();";
129: 
130:     // Generate GZIP'd content
131:     if ($supportsGzip) {
132:         if ($compress) {
133:             header("Content-Encoding: " . $enc);
134:             $cacheData = gzencode($content, 9, FORCE_GZIP);
135:         } else
136:             $cacheData = $content;
137: 
138:         // Write gz file
139:         if ($diskCache && $cacheKey != "")
140:             putFileContents($cacheFile, $cacheData);
141: 
142:         // Stream to client
143:         echo $cacheData;
144:     } else {
145:         // Stream uncompressed content
146:         echo $content;
147:     }
148: 
149:     /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
150: 
151:     function getParam($name, $def = false) {
152:         if (!isset($_GET[$name]))
153:             return $def;
154: 
155:         return preg_replace("/[^0-9a-z\-_,]+/i", "", $_GET[$name]); // Remove anything but 0-9,a-z,-_
156:     }
157: 
158:     function getFileContents($path) {
159:         $path = realpath($path);
160: 
161:         if (!$path || !@is_file($path))
162:             return "";
163: 
164:         if (function_exists("file_get_contents"))
165:             return @file_get_contents($path);
166: 
167:         $content = "";
168:         $fp = @fopen($path, "r");
169:         if (!$fp)
170:             return "";
171: 
172:         while (!feof($fp))
173:             $content .= fgets($fp);
174: 
175:         fclose($fp);
176: 
177:         return $content;
178:     }
179: 
180:     function putFileContents($path, $content) {
181:         if (function_exists("file_put_contents"))
182:             return @file_put_contents($path, $content);
183: 
184:         $fp = @fopen($path, "wb");
185:         if ($fp) {
186:             fwrite($fp, $content);
187:             fclose($fp);
188:         }
189:     }
190: ?>