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+<?php

+/**

+ * $Id: tiny_mce_gzip.php 315 2007-10-25 14:03:43Z spocke $

+ *

+ * @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.

+ */

+

+	// 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 = realpath("."); // 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)

+			die("alert('Real path failed.');");

+

+		$cacheKey = getParam("plugins", "") . getParam("languages", "") . getParam("themes", "") . $suffix;

+

+		foreach ($custom as $file)

+			$cacheKey .= $file;

+

+		$cacheKey = md5($cacheKey);

+

+		if ($compress)

+			$cacheFile = $cachePath . "/tiny_mce_" . $cacheKey . ".gz";

+		else

+			$cacheFile = $cachePath . "/tiny_mce_" . $cacheKey . ".js";

+	}

+

+	// 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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