WordPress/wp-includes/js/tinymce/tiny_mce_gzip.php
2006-09-22 19:35:37 +00:00

331 lines
10 KiB
PHP

<?php
/**
* $RCSfile: tiny_mce_gzip.php,v $
* $Revision: $
* $Date: $
*
* @version 1.08
* @author Moxiecode
* @copyright Copyright © 2005-2006, Moxiecode Systems AB, All rights reserved.
*
* This file compresses the TinyMCE JavaScript using GZip and
* enables the browser to do two requests instead of one for each .js file.
* Notice: This script defaults the button_tile_map option to true for extra performance.
*/
@require_once('../../../wp-config.php');
// gzip_compression();
function wp_tinymce_lang($path) {
global $language;
$text = '';
// Look for xx_YY.js, xx_yy.js, xx.js
$file = realpath(sprintf($path, $language));
if ( file_exists($file) )
$text = file_get_contents($file);
$file = realpath(sprintf($path, strtolower($language)));
if ( file_exists($file) )
$text = file_get_contents($file);
$file = realpath(sprintf($path, substr($language, 0, 2)));
if ( file_exists($file) )
$text = file_get_contents($file);
// Fall back on en.js
$file = realpath(sprintf($path, 'en'));
if ( empty($text) && file_exists($file) )
$text = file_get_contents($file);
// Send lang file through gettext
if ( function_exists('__') && strtolower(substr($language, 0, 2)) != 'en' ) {
$search1 = "/^tinyMCELang\\[(['\"])(.*)\\1\]( ?= ?)(['\"])(.*)\\4/Uem";
$replace1 = "'tinyMCELang[\\1\\2\\1]\\3'.stripslashes('\\4').__('\\5').stripslashes('\\4')";
$search2 = "/\\s:\\s(['\"])(.*)\\1(,|\\s*})/Uem";
$replace2 = "' : '.stripslashes('\\1').__('\\2').stripslashes('\\1').'\\3'";
$search = array($search1, $search2);
$replace = array($replace1, $replace2);
$text = preg_replace($search, $replace, $text);
return $text;
}
return $text;
}
function wp_compact_tinymce_js($text) {
// This function was custom-made for TinyMCE 2.0, not expected to work with any other JS.
// Strip comments
$text = preg_replace("!(^|\s+)//.*$!m", '', $text);
$text = preg_replace("!/\*.*?\*/!s", '', $text);
// Strip leading tabs, carriage returns and unnecessary line breaks.
$text = preg_replace("!^\t+!m", '', $text);
$text = str_replace("\r", '', $text);
$text = preg_replace("!(^|{|}|;|:|\))\n!m", '\\1', $text);
return "$text\n";
}
// General options
$suffix = ""; // Set to "_src" to use source version
$expiresOffset = 3600 * 24 * 10; // 10 days util client cache expires
$diskCache = false; // If you enable this option gzip files will be cached on disk.
$cacheDir = realpath("."); // Absolute directory path to where cached gz files will be stored
$debug = false; // Enable this option if you need debuging info
// Headers
header("Content-type: text/javascript; charset: UTF-8");
// header("Cache-Control: must-revalidate");
header("Vary: Accept-Encoding"); // Handle proxies
header("Expires: " . gmdate("D, d M Y H:i:s", time() + $expiresOffset) . " GMT");
// Get data to load
$theme = isset($_GET['theme']) ? TinyMCE_cleanInput($_GET['theme']) : "";
$language = isset($_GET['language']) ? TinyMCE_cleanInput($_GET['language']) : "";
$plugins = isset($_GET['plugins']) ? TinyMCE_cleanInput($_GET['plugins']) : "";
$lang = isset($_GET['lang']) ? TinyMCE_cleanInput($_GET['lang']) : "en";
$index = isset($_GET['index']) ? TinyMCE_cleanInput($_GET['index']) : -1;
$cacheKey = md5($theme . $language . $plugins . $lang . $index . $debug);
$cacheFile = $cacheDir == "" ? "" : $cacheDir . "/" . "tinymce_" . $cacheKey . ".gz";
$cacheData = "";
// Patch older versions of PHP < 4.3.0
if (!function_exists('file_get_contents')) {
function file_get_contents($filename) {
$fd = fopen($filename, 'rb');
$content = fread($fd, filesize($filename));
fclose($fd);
return $content;
}
}
// Security check function, can only contain a-z 0-9 , _ - and whitespace.
function TinyMCE_cleanInput($str) {
return preg_replace("/[^0-9a-z\-_,]+/i", "", $str); // Remove anything but 0-9,a-z,-_
}
function TinyMCE_echo($str) {
global $cacheData, $diskCache;
if ($diskCache)
$cacheData .= $str;
else
echo $str;
}
// Only gzip the contents if clients and server support it
$encodings = array();
if (isset($_SERVER['HTTP_ACCEPT_ENCODING']))
$encodings = explode(',', strtolower(preg_replace("/\s+/", "", $_SERVER['HTTP_ACCEPT_ENCODING'])));
// Check for gzip header or northon internet securities
if ((in_array('gzip', $encodings) || in_array('x-gzip', $encodings) || isset($_SERVER['---------------'])) && function_exists('ob_gzhandler') && !ini_get('zlib.output_compression')) {
$enc = in_array('x-gzip', $encodings) ? "x-gzip" : "gzip";
// Use cached file if it exists but not in debug mode
if (file_exists($cacheFile) && !$debug) {
header("Content-Encoding: " . $enc);
echo file_get_contents($cacheFile);
die;
}
if (!$diskCache)
ob_start("ob_gzhandler");
} else
$diskCache = false;
if ($index > -1) {
// Write main script and patch some things
if ($index == 0) {
TinyMCE_echo(wp_compact_tinymce_js(file_get_contents(realpath("tiny_mce" . $suffix . ".js")))); // WP
TinyMCE_echo('TinyMCE.prototype.orgLoadScript = TinyMCE.prototype.loadScript;');
TinyMCE_echo('TinyMCE.prototype.loadScript = function() {};var realTinyMCE = tinyMCE;');
} else
TinyMCE_echo('tinyMCE = realTinyMCE;');
// Do init based on index
TinyMCE_echo("tinyMCE.init(tinyMCECompressed.configs[" . $index . "]);");
// Load external plugins
if ($index == 0)
TinyMCE_echo("tinyMCECompressed.loadPlugins();");
// Load theme, language pack and theme language packs
if ($theme) {
TinyMCE_echo(wp_compact_tinymce_js(file_get_contents(realpath("themes/" . $theme . "/editor_template" . $suffix . ".js")))); // WP
TinyMCE_echo(wp_tinymce_lang("themes/" . $theme . "/langs/%s.js")); // WP
}
/* WP if ($language) WP */
TinyMCE_echo(wp_tinymce_lang("langs/%s.js")); // WP
// Load all plugins and their language packs
$plugins = explode(",", $plugins);
foreach ($plugins as $plugin) {
$pluginFile = realpath("plugins/" . $plugin . "/editor_plugin" . $suffix . ".js");
/* WP $languageFile = realpath("plugins/" . $plugin . "/langs/" . $lang . ".js"); WP */
if ($pluginFile)
TinyMCE_echo(file_get_contents($pluginFile));
/* WP if ($languageFile) WP */
TinyMCE_echo(wp_tinymce_lang("plugins/" . $plugin . "/langs/%s.js")); // WP
}
// Reset tinyMCE compressor engine
TinyMCE_echo("tinyMCE = tinyMCECompressed;");
// Write to cache
if ($diskCache) {
// Calculate compression ratio and debug target output path
if ($debug) {
$ratio = round(100 - strlen(gzencode($cacheData, 9, FORCE_GZIP)) / strlen($cacheData) * 100.0);
TinyMCE_echo("alert('TinyMCE was compressed by " . $ratio . "%.\\nOutput cache file: " . $cacheFile . "');");
}
$cacheData = gzencode($cacheData, 9, FORCE_GZIP);
// Write to file if possible
$fp = @fopen($cacheFile, "wb");
if ($fp) {
fwrite($fp, $cacheData);
fclose($fp);
}
// Output
header("Content-Encoding: " . $enc);
echo $cacheData;
}
die;
}
?>
function TinyMCECompressed() {
this.configs = new Array();
this.loadedFiles = new Array();
this.externalPlugins = new Array();
this.loadAdded = false;
this.isLoaded = false;
}
TinyMCECompressed.prototype.init = function(settings) {
var elements = document.getElementsByTagName('script');
var scriptURL = "";
for (var i=0; i<elements.length; i++) {
if (elements[i].src && elements[i].src.indexOf("tiny_mce_gzip.php") != -1) {
scriptURL = elements[i].src;
break;
}
}
settings["theme"] = typeof(settings["theme"]) != "undefined" ? settings["theme"] : "default";
settings["plugins"] = typeof(settings["plugins"]) != "undefined" ? settings["plugins"] : "";
settings["language"] = typeof(settings["language"]) != "undefined" ? settings["language"] : "en";
settings["button_tile_map"] = typeof(settings["button_tile_map"]) != "undefined" ? settings["button_tile_map"] : true;
this.configs[this.configs.length] = settings;
this.settings = settings;
scriptURL += (scriptURL.indexOf('?') == -1) ? '?' : '&';
scriptURL += "theme=" + escape(this.getOnce(settings["theme"])) + "&language=" + escape(this.getOnce(settings["language"])) + "&plugins=" + escape(this.getOnce(settings["plugins"])) + "&lang=" + settings["language"] + "&index=" + escape(this.configs.length-1);
document.write('<sc'+'ript language="javascript" type="text/javascript" src="' + scriptURL + '"></script>');
if (!this.loadAdded) {
tinyMCE.addEvent(window, "DOMContentLoaded", TinyMCECompressed.prototype.onLoad);
tinyMCE.addEvent(window, "load", TinyMCECompressed.prototype.onLoad);
this.loadAdded = true;
}
}
TinyMCECompressed.prototype.onLoad = function() {
if (tinyMCE.isLoaded)
return true;
tinyMCE = realTinyMCE;
TinyMCE_Engine.prototype.onLoad();
tinyMCE._addUnloadEvents();
tinyMCE.isLoaded = true;
}
TinyMCECompressed.prototype.addEvent = function(o, n, h) {
if (o.attachEvent)
o.attachEvent("on" + n, h);
else
o.addEventListener(n, h, false);
}
TinyMCECompressed.prototype.getOnce = function(str) {
var ar = str.replace(/\s+/g, '').split(',');
for (var i=0; i<ar.length; i++) {
if (ar[i] == '' || ar[i].charAt(0) == '-') {
ar[i] = null;
continue;
}
// Skip load
for (var x=0; x<this.loadedFiles.length; x++) {
if (this.loadedFiles[x] == ar[i])
ar[i] = null;
}
this.loadedFiles[this.loadedFiles.length] = ar[i];
}
// Glue
str = "";
for (var i=0; i<ar.length; i++) {
if (ar[i] == null)
continue;
str += ar[i];
if (i != ar.length-1)
str += ",";
}
return str;
};
TinyMCECompressed.prototype.loadPlugins = function() {
var i, ar;
TinyMCE.prototype.loadScript = TinyMCE.prototype.orgLoadScript;
tinyMCE = realTinyMCE;
ar = tinyMCECompressed.externalPlugins;
for (i=0; i<ar.length; i++)
tinyMCE.loadPlugin(ar[i].name, ar[i].url);
TinyMCE.prototype.loadScript = function() {};
};
TinyMCECompressed.prototype.loadPlugin = function(n, u) {
this.externalPlugins[this.externalPlugins.length] = {name : n, url : u};
};
TinyMCECompressed.prototype.importPluginLanguagePack = function(n, v) {
tinyMCE = realTinyMCE;
TinyMCE.prototype.loadScript = TinyMCE.prototype.orgLoadScript;
tinyMCE.importPluginLanguagePack(n, v);
};
TinyMCECompressed.prototype.addPlugin = function(n, p) {
tinyMCE = realTinyMCE;
tinyMCE.addPlugin(n, p);
};
var tinyMCE = new TinyMCECompressed();
var tinyMCECompressed = tinyMCE;