Source for file tiny_mce_gzip.php

Documentation is available at tiny_mce_gzip.php

<?php
/**
* $Id: tiny_mce_gzip.php,v 1.1 2009/03/21 22:26:32 fplanque Exp $
*
* @author Moxiecode
*
* 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.
*/
// Set the error reporting to minimal.
@error_reporting(E_ERROR | E_WARNING | E_PARSE);
// Get input
$plugins = explode(',', getParam("plugins", ""));
$languages = explode(',', getParam("languages", ""));
$themes = explode(',', getParam("themes", ""));
$diskCache = getParam("diskcache", "") == "true";
$isJS = getParam("js", "") == "true";
$compress = getParam("compress", "true") == "true";
$core = getParam("core", "true") == "true";
$suffix = getParam("suffix", "_src") == "_src" ? "_src" : "";
$cachePath = dirname(__FILE__).'/../../../cache/plugins/tinymce'; // Cache path, this is where the .gz files will be stored
$expiresOffset = 3600 * 24 * 10; // Cache for 10 days in browser cache
$content = "";
$encodings = array();
$supportsGzip = false;
$enc = "";
$cacheKey = "";
// Custom extra javascripts to pack
$custom = array(/*
"some custom .js file",
"some custom .js file"
*/);
// Headers
header("Content-type: text/javascript");
header("Vary: Accept-Encoding"); // Handle proxies
header("Expires: " . gmdate("D, d M Y H:i:s", time() + $expiresOffset) . " GMT");
// Is called directly then auto init with default settings
if (!$isJS) {
echo getFileContents("tiny_mce_gzip.js");
echo "tinyMCE_GZ.init({});";
die();
}
// Setup cache info
if ($diskCache) {
if (!$cachePath || !is_readable($cachePath))
die("alert('Compressor Real path failed. (tiny_mce_gzip.php) $cachePath');");
$cacheKey = getParam("plugins", "") . getParam("languages", "") . getParam("themes", "") . $suffix;
foreach ($custom as $file)
$cacheKey .= $file;
// Add modification date of core JS file, so that the disk cache expires on
// TinyMCE upgrade/changes:
$last_mod_time = @filemtime('tiny_mce'.$suffix.'.js');
$cacheKey .= $last_mod_time;
$cacheKey = md5($cacheKey);
$cacheFile = $cachePath.'/tiny_mce_'.$cacheKey;
if ($compress)
$cacheFile .= '.gz';
else
$cacheFile .= '.js';
// Remove old cache files on every ~1000th request:
if( rand(0,10000) < 10 )
{
foreach( glob($cachePath.'/tiny_mce_*.{gz,js}', GLOB_NOSORT|GLOB_BRACE) as $old_cache_file )
{
if( filectime($old_cache_file) < $last_mod_time )
{
@unlink($old_cache_file);
}
}
}
}
// Check if it supports gzip
if (isset($_SERVER['HTTP_ACCEPT_ENCODING']))
$encodings = explode(',', strtolower(preg_replace("/\s+/", "", $_SERVER['HTTP_ACCEPT_ENCODING'])));
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";
$supportsGzip = true;
}
// Use cached file disk cache
if ($diskCache && $supportsGzip && file_exists($cacheFile)) {
if ($compress)
header("Content-Encoding: " . $enc);
echo getFileContents($cacheFile);
die();
}
// Add core
if ($core == "true") {
$content .= getFileContents("tiny_mce" . $suffix . ".js");
// Patch loading functions
$content .= "tinyMCE_GZ.start();";
}
// Add core languages
foreach ($languages as $lang)
$content .= getFileContents("langs/" . $lang . ".js");
// Add themes
foreach ($themes as $theme) {
$content .= getFileContents( "themes/" . $theme . "/editor_template" . $suffix . ".js");
foreach ($languages as $lang)
$content .= getFileContents("themes/" . $theme . "/langs/" . $lang . ".js");
}
// Add plugins
foreach ($plugins as $plugin) {
$content .= getFileContents("plugins/" . $plugin . "/editor_plugin" . $suffix . ".js");
foreach ($languages as $lang)
$content .= getFileContents("plugins/" . $plugin . "/langs/" . $lang . ".js");
}
// Add custom files
foreach ($custom as $file)
$content .= getFileContents($file);
// Restore loading functions
if ($core == "true")
$content .= "tinyMCE_GZ.end();";
// Generate GZIP'd content
if ($supportsGzip) {
if ($compress) {
header("Content-Encoding: " . $enc);
$cacheData = gzencode($content, 9, FORCE_GZIP);
} else
$cacheData = $content;
// Write gz file
if ($diskCache && $cacheKey != "")
putFileContents($cacheFile, $cacheData);
// Stream to client
echo $cacheData;
} else {
// Stream uncompressed content
echo $content;
}
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
function getParam($name, $def = false) {
if (!isset($_GET[$name]))
return $def;
return preg_replace("/[^0-9a-z\-_,]+/i", "", $_GET[$name]); // Remove anything but 0-9,a-z,-_
}
function getFileContents($path) {
$path = realpath($path);
if (!$path || !@is_file($path))
return "";
if (function_exists("file_get_contents"))
return @file_get_contents($path);
$content = "";
$fp = @fopen($path, "r");
if (!$fp)
return "";
while (!feof($fp))
$content .= fgets($fp);
fclose($fp);
return $content;
}
function putFileContents($path, $content) {
if (function_exists("file_put_contents"))
return @file_put_contents($path, $content);
$fp = @fopen($path, "wb");
if ($fp) {
fwrite($fp, $content);
fclose($fp);
}
}
?>

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Source for file tiny_mce_gzip.php

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