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1 <?php |
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2 |
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3 /* |
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4 * Enano - an open-source CMS capable of wiki functions, Drupal-like sidebar blocks, and everything in between |
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5 * Copyright (C) 2006-2009 Dan Fuhry |
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6 * tiny_mce_gzip.php - TinyMCE gzip and caching script, stock from MoxieCode with one modification |
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7 * |
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8 * This program is Free Software; you can redistribute and/or modify it under the terms of the GNU General Public License |
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9 * as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. |
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10 * |
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11 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied |
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12 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for details. |
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13 */ |
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14 |
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15 /** |
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16 * $Id: tiny_mce_gzip.php 315 2007-10-25 14:03:43Z spocke $ |
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17 * |
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18 * @author Moxiecode |
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19 * @copyright Copyright © 2005-2006, Moxiecode Systems AB, All rights reserved. |
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20 * |
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21 * This file compresses the TinyMCE JavaScript using GZip and |
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22 * enables the browser to do two requests instead of one for each .js file. |
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23 * Notice: This script defaults the button_tile_map option to true for extra performance. |
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24 */ |
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25 |
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26 // Set the error reporting to minimal. |
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27 @error_reporting(E_ERROR | E_WARNING | E_PARSE); |
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28 |
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29 // 5/5/2008 - load Enano, but only get the root directory |
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30 define('ENANO_COMMON_ROOTONLY', 1); |
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31 if ( file_exists('../../../includes/common.php') ) |
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32 { |
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33 require('../../../includes/common.php'); |
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34 } |
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35 else if ( isset($_SERVER['SCRIPT_FILENAME']) ) |
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36 { |
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37 $file = dirname(dirname(dirname(dirname($_SERVER['SCRIPT_FILENAME'])))) . '/includes/common.php'; |
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38 if ( file_exists($file) ) |
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39 { |
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40 require($file); |
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41 } |
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42 } |
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43 if ( !defined('ENANO_ROOT') ) |
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44 { |
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45 die("Could not determine the Enano root directory."); |
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46 } |
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47 |
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48 // Get input |
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49 $plugins = explode(',', getParam("plugins", "")); |
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50 $languages = explode(',', getParam("languages", "")); |
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51 $themes = explode(',', getParam("themes", "")); |
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52 $diskCache = getParam("diskcache", "") == "true"; |
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53 $isJS = getParam("js", "") == "true"; |
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54 $compress = getParam("compress", "true") == "true"; |
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55 $core = getParam("core", "true") == "true"; |
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56 $suffix = getParam("suffix", "_src") == "_src" ? "_src" : ""; |
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57 // 5/5/2008 - set cache path to Enano's usual directory |
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58 $cachePath = realpath(ENANO_ROOT . "/cache"); // Cache path, this is where the .gz files will be stored |
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59 $expiresOffset = 3600 * 24 * 10; // Cache for 10 days in browser cache |
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60 $content = ""; |
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61 $encodings = array(); |
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62 $supportsGzip = false; |
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63 $enc = ""; |
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64 $cacheKey = ""; |
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65 |
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66 // Custom extra javascripts to pack |
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67 $custom = array(/* |
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68 "some custom .js file", |
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69 "some custom .js file" |
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70 */); |
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71 |
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72 // Headers |
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73 header("Content-type: text/javascript"); |
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74 header("Vary: Accept-Encoding"); // Handle proxies |
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75 header("Expires: " . gmdate("D, d M Y H:i:s", time() + $expiresOffset) . " GMT"); |
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76 |
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77 // Is called directly then auto init with default settings |
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78 if (!$isJS) { |
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79 echo getFileContents("tiny_mce_gzip.js"); |
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80 echo "tinyMCE_GZ.init({});"; |
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81 die(); |
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82 } |
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83 |
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84 // Setup cache info |
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85 if ($diskCache) { |
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86 if (!$cachePath) |
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87 die("alert('Real path failed.');"); |
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88 |
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89 $cacheKey = getParam("plugins", "") . getParam("languages", "") . getParam("themes", "") . $suffix; |
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90 |
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91 foreach ($custom as $file) |
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92 $cacheKey .= $file; |
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93 |
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94 $cacheKey = md5($cacheKey); |
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95 |
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96 if ($compress) |
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97 $cacheFile = $cachePath . "/tiny_mce_" . $cacheKey . ".gz"; |
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98 else |
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99 $cacheFile = $cachePath . "/tiny_mce_" . $cacheKey . ".js"; |
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100 } |
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101 |
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102 // Check if it supports gzip |
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103 if (isset($_SERVER['HTTP_ACCEPT_ENCODING'])) |
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104 $encodings = explode(',', strtolower(preg_replace("/\s+/", "", $_SERVER['HTTP_ACCEPT_ENCODING']))); |
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105 |
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106 if ((in_array('gzip', $encodings) || in_array('x-gzip', $encodings) || isset($_SERVER['---------------'])) && function_exists('ob_gzhandler') && !ini_get('zlib.output_compression')) { |
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107 $enc = in_array('x-gzip', $encodings) ? "x-gzip" : "gzip"; |
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108 $supportsGzip = true; |
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109 } |
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110 |
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111 // Send an ETag (Enano modification 5/5/2008) |
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112 if ( isset($cacheKey) ) |
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113 { |
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114 $etag =& $cacheKey; |
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115 header("ETag: \"$etag\""); |
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116 if ( isset($_SERVER['HTTP_IF_NONE_MATCH']) ) |
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117 { |
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118 if ( "\"$etag\"" == $_SERVER['HTTP_IF_NONE_MATCH'] ) |
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119 { |
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120 header('HTTP/1.1 304 Not Modified'); |
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121 exit(); |
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122 } |
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123 } |
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124 } |
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125 |
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126 // Use cached file disk cache |
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127 if ($diskCache && $supportsGzip && file_exists($cacheFile)) { |
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128 if ($compress) |
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129 header("Content-Encoding: " . $enc); |
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130 |
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131 echo getFileContents($cacheFile); |
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132 die(); |
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133 } |
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134 |
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135 // Add core |
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136 if ($core == "true") { |
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137 $content .= getFileContents("tiny_mce" . $suffix . ".js"); |
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138 |
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139 // Patch loading functions |
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140 $content .= "tinyMCE_GZ.start();"; |
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141 } |
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142 |
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143 // Add core languages |
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144 foreach ($languages as $lang) |
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145 $content .= getFileContents("langs/" . $lang . ".js"); |
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146 |
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147 // Add themes |
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148 foreach ($themes as $theme) { |
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149 $content .= getFileContents( "themes/" . $theme . "/editor_template" . $suffix . ".js"); |
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150 |
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151 foreach ($languages as $lang) |
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152 $content .= getFileContents("themes/" . $theme . "/langs/" . $lang . ".js"); |
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153 } |
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154 |
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155 // Add plugins |
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156 foreach ($plugins as $plugin) { |
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157 $content .= getFileContents("plugins/" . $plugin . "/editor_plugin" . $suffix . ".js"); |
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158 |
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159 foreach ($languages as $lang) |
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160 $content .= getFileContents("plugins/" . $plugin . "/langs/" . $lang . ".js"); |
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161 } |
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162 |
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163 // Add custom files |
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164 foreach ($custom as $file) |
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165 $content .= getFileContents($file); |
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166 |
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167 // Restore loading functions |
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168 if ($core == "true") |
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169 $content .= "tinyMCE_GZ.end();"; |
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170 |
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171 // Generate GZIP'd content |
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172 if ($supportsGzip) { |
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173 if ($compress) { |
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174 header("Content-Encoding: " . $enc); |
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175 $cacheData = gzencode($content, 9, FORCE_GZIP); |
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176 } else |
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177 $cacheData = $content; |
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178 |
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179 // Write gz file |
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180 if ($diskCache && $cacheKey != "") |
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181 putFileContents($cacheFile, $cacheData); |
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182 |
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183 // Stream to client |
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184 echo $cacheData; |
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185 } else { |
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186 // Stream uncompressed content |
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187 echo $content; |
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188 } |
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189 |
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190 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ |
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191 |
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192 function getParam($name, $def = false) { |
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193 if (!isset($_GET[$name])) |
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194 return $def; |
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195 |
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196 return preg_replace("/[^0-9a-z\-_,]+/i", "", $_GET[$name]); // Remove anything but 0-9,a-z,-_ |
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197 } |
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198 |
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199 function getFileContents($path) { |
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200 $path = realpath($path); |
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201 |
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202 if (!$path || !@is_file($path)) |
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203 return ""; |
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204 |
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205 if (function_exists("file_get_contents")) |
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206 return @file_get_contents($path); |
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207 |
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208 $content = ""; |
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209 $fp = @fopen($path, "r"); |
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210 if (!$fp) |
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211 return ""; |
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212 |
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213 while (!feof($fp)) |
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214 $content .= fgets($fp); |
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215 |
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216 fclose($fp); |
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217 |
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218 return $content; |
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219 } |
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220 |
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221 function putFileContents($path, $content) { |
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222 if (function_exists("file_put_contents")) |
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223 return @file_put_contents($path, $content); |
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224 |
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225 $fp = @fopen($path, "wb"); |
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226 if ($fp) { |
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227 fwrite($fp, $content); |
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228 fclose($fp); |
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229 } |
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230 } |
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231 ?> |