mirror of
https://github.com/silverstripe/silverstripe-framework
synced 2024-10-22 14:05:37 +02:00
340 lines
11 KiB
PHP
Executable File
340 lines
11 KiB
PHP
Executable File
<?php
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/**
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* tiny_mce_gzip.php
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*
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* Copyright 2010, Moxiecode Systems AB
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* Released under LGPL License.
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*
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* License: http://tinymce.moxiecode.com/license
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* Contributing: http://tinymce.moxiecode.com/contributing
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*/
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// CUSTOM SilverStripe: Copied from Core.php
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if(!function_exists('getSysTempDir')) {
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function getSysTempDir() {
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if(function_exists('sys_get_temp_dir')) {
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$sysTmp = sys_get_temp_dir();
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} elseif(isset($_ENV['TMP'])) {
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$sysTmp = $_ENV['TMP'];
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} else {
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$tmpFile = tempnam('adfadsfdas','');
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unlink($tmpFile);
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$sysTmp = dirname($tmpFile);
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}
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return $sysTmp;
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}
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}
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// CUSTOM END
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// Handle incoming request if it's a script call
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if (TinyMCE_Compressor::getParam("js")) {
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// Default settings
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$tinyMCECompressor = new TinyMCE_Compressor(array(
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// CUSTOM SilverStripe
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'cache_dir' => getSysTempDir()
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// CUSTOM END
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));
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// Handle request, compress and stream to client
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$tinyMCECompressor->handleRequest();
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}
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/**
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* This class combines and compresses the TinyMCE core, plugins, themes and
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* language packs into one disk cached gzipped request. It improves the loading speed of TinyMCE dramatically but
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* still provides dynamic initialization.
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*
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* Example of direct usage:
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* require_once("../jscripts/tiny_mce/tiny_mce_gzip.php");
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*
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* // Renders script tag with compressed scripts
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* TinyMCE_Compressor::renderTag(array(
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* "url" => "../jscripts/tiny_mce/tiny_mce_gzip.php",
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* "plugins" => "pagebreak,style",
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* "themes" => "advanced",
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* "languages" => "en"
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* ));
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*/
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class TinyMCE_Compressor {
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private $files, $settings;
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private static $defaultSettings = array(
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"plugins" => "",
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"themes" => "",
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"languages" => "",
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"disk_cache" => true,
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"expires" => "30d",
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"cache_dir" => "",
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"compress" => true,
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"suffix" => "",
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"files" => "",
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"source" => false,
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);
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/**
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* Constructs a new compressor instance.
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*
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* @param Array $settings Name/value array with non-default settings for the compressor instance.
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*/
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public function __construct($settings = array()) {
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$this->settings = array_merge(self::$defaultSettings, $settings);
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if (empty($this->settings["cache_dir"]))
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$this->settings["cache_dir"] = dirname(__FILE__);
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}
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/**
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* Adds a file to the concatenation/compression process.
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*
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* @param String $path Path to the file to include in the compressed package/output.
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*/
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public function &addFile($file) {
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$this->files .= ($this->files ? "," : "") . $file;
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return $this;
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}
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/**
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* Handles the incoming HTTP request and sends back a compressed script depending on settings and client support.
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*/
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public function handleRequest() {
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$files = array();
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$supportsGzip = false;
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$expiresOffset = $this->parseTime($this->settings["expires"]);
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$tinymceDir = dirname(__FILE__);
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// Override settings with querystring params
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$plugins = self::getParam("plugins");
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if ($plugins)
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$this->settings["plugins"] = $plugins;
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$plugins = explode(',', $this->settings["plugins"]);
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$themes = self::getParam("themes");
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if ($themes)
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$this->settings["themes"] = $themes;
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$themes = explode(',', $this->settings["themes"]);
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$languages = self::getParam("languages");
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if ($languages)
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$this->settings["languages"] = $languages;
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$languages = explode(',', $this->settings["languages"]);
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$tagFiles = self::getParam("files");
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if ($tagFiles)
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$this->settings["files"] = $tagFiles;
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$diskCache = self::getParam("diskcache");
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if ($diskCache)
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$this->settings["disk_cache"] = ($diskCache === "true");
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$src = self::getParam("src");
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if ($src)
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$this->settings["source"] = ($src === "true");
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// Add core
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$files[] = "tiny_mce";
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foreach ($languages as $language)
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$files[] = "langs/$language";
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// Add plugins
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foreach ($plugins as $plugin) {
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$files[] = "plugins/$plugin/editor_plugin";
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foreach ($languages as $language)
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$files[] = "plugins/$plugin/langs/$language";
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}
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// Add themes
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foreach ($themes as $theme) {
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$files[] = "themes/$theme/editor_template";
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foreach ($languages as $language)
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$files[] = "themes/$theme/langs/$language";
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}
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// Add any specified files.
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$allFiles = array_merge($files, explode(',', $this->settings['files']));
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// Process source files
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for ($i = 0; $i < count($allFiles); $i++) {
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$file = $allFiles[$i];
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if ($this->settings["source"] && file_exists($file . "_src.js")) {
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$file .= "_src.js";
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} else if (file_exists($file . ".js")) {
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$file .= ".js";
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} else {
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$file = "";
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}
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$allFiles[$i] = $file;
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}
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// Generate hash for all files, and script path so multiple projects don't share the same cache
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$hash = md5(implode('', $allFiles) . $_SERVER['SCRIPT_NAME']);
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// Check if it supports gzip
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$zlibOn = ini_get('zlib.output_compression') || (ini_set('zlib.output_compression', 0) === false);
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$encodings = (isset($_SERVER['HTTP_ACCEPT_ENCODING'])) ? strtolower($_SERVER['HTTP_ACCEPT_ENCODING']) : "";
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$encoding = preg_match( '/\b(x-gzip|gzip)\b/', $encodings, $match) ? $match[1] : "";
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// Is northon antivirus header
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if (isset($_SERVER['---------------']))
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$encoding = "x-gzip";
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$supportsGzip = $this->settings['compress'] && !empty($encoding) && !$zlibOn && function_exists('gzencode');
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// Set cache file name
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$cacheFile = $this->settings["cache_dir"] . "/" . $hash . ($supportsGzip ? ".gz" : ".js");
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// Set headers
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header("Content-type: text/javascript");
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header("Vary: Accept-Encoding"); // Handle proxies
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header("Expires: " . gmdate("D, d M Y H:i:s", time() + $expiresOffset) . " GMT");
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header("Cache-Control: public, max-age=" . $expiresOffset);
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if ($supportsGzip)
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header("Content-Encoding: " . $encoding);
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// Use cached file
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if ($this->settings['disk_cache'] && file_exists($cacheFile)) {
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readfile($cacheFile);
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return;
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}
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// Set base URL for where tinymce is loaded from
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$buffer = "var tinyMCEPreInit={base:'" . dirname($_SERVER["SCRIPT_NAME"]) . "',suffix:''};";
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// Load all tinymce script files into buffer
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foreach ($allFiles as $file) {
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if ($file) {
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$fileContents = $this->getFileContents($tinymceDir . "/" . $file);
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// $buffer .= "\n//-FILE-$tinymceDir/$file (". strlen($fileContents) . " bytes)\n";
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$buffer .= $fileContents;
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}
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}
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// Mark all themes, plugins and languages as done
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$buffer .= 'tinymce.each("' . implode(',', $files) . '".split(","),function(f){tinymce.ScriptLoader.markDone(tinyMCE.baseURL+"/"+f+".js");});';
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// Compress data
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if ($supportsGzip)
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$buffer = gzencode($buffer, 9, FORCE_GZIP);
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// Write cached file
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if ($this->settings["disk_cache"])
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@file_put_contents($cacheFile, $buffer);
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// Stream contents to client
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echo $buffer;
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}
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/**
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* Renders a script tag that loads the TinyMCE script.
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*
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* @param Array $settings Name/value array with settings for the script tag.
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* @param Bool $return The script tag is return instead of being output if true
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* @return String the tag is returned if $return is true
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*/
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public static function renderTag($tagSettings, $return = false) {
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$settings = array_merge(self::$defaultSettings, $tagSettings);
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if (empty($settings["cache_dir"]))
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$settings["cache_dir"] = dirname(__FILE__);
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$scriptSrc = $settings["url"] . "?js=1";
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// Add plugins
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if (isset($settings["plugins"]))
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$scriptSrc .= "&plugins=" . (is_array($settings["plugins"]) ? implode(',', $settings["plugins"]) : $settings["plugins"]);
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// Add themes
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if (isset($settings["themes"]))
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$scriptSrc .= "&themes=" . (is_array($settings["themes"]) ? implode(',', $settings["themes"]) : $settings["themes"]);
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// Add languages
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if (isset($settings["languages"]))
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$scriptSrc .= "&languages=" . (is_array($settings["languages"]) ? implode(',', $settings["languages"]) : $settings["languages"]);
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// Add disk_cache
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if (isset($settings["disk_cache"]))
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$scriptSrc .= "&diskcache=" . ($settings["disk_cache"] === true ? "true" : "false");
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// Add any explicitly specified files if the default settings have been overriden by the tag ones
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/*
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* Specifying tag files will override (rather than merge with) any site-specific ones set in the
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* TinyMCE_Compressor object creation. Note that since the parameter parser limits content to alphanumeric
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* only base filenames can be specified. The file extension is assumed to be ".js" and the directory is
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* the TinyMCE root directory. A typical use of this is to include a script which initiates the TinyMCE object.
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*/
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if (isset($tagSettings["files"]))
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$scriptSrc .= "&files=" .(is_array($settings["files"]) ? implode(',', $settings["files"]) : $settings["files"]);
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// Add src flag
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if (isset($settings["source"]))
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$scriptSrc .= "&src=" . ($settings["source"] === true ? "true" : "false");
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$scriptTag = '<script type="text/javascript" src="' . htmlspecialchars($scriptSrc) . '"></script>';
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if ($return) {
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return $scriptTag;
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} else {
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echo $scriptTag;
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}
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}
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/**
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* Returns a sanitized query string parameter.
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*
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* @param String $name Name of the query string param to get.
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* @param String $default Default value if the query string item shouldn't exist.
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* @return String Sanitized query string parameter value.
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*/
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public static function getParam($name, $default = "") {
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if (!isset($_GET[$name]))
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return $default;
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return preg_replace("/[^0-9a-z\-_,]+/i", "", $_GET[$name]); // Sanatize for security, remove anything but 0-9,a-z,-_,
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}
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/**
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* Parses the specified time format into seconds. Supports formats like 10h, 10d, 10m.
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*
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* @param String $time Time format to convert into seconds.
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* @return Int Number of seconds for the specified format.
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*/
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private function parseTime($time) {
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$multipel = 1;
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// Hours
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if (strpos($time, "h") > 0)
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$multipel = 3600;
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// Days
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if (strpos($time, "d") > 0)
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$multipel = 86400;
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// Months
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if (strpos($time, "m") > 0)
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$multipel = 2592000;
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// Trim string
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return intval($time) * $multipel;
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}
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/**
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* Returns the contents of the script file if it exists and removes the UTF-8 BOM header if it exists.
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*
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* @param String $file File to load.
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* @return String File contents or empty string if it doesn't exist.
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*/
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private function getFileContents($file) {
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$content = file_get_contents($file);
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// Remove UTF-8 BOM
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if (substr($content, 0, 3) === pack("CCC", 0xef, 0xbb, 0xbf))
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$content = substr($content, 3);
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return $content;
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}
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}
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