1<?php 2 3if(!defined('DOKU_PLUGIN')) die('meh'); 4require_once(DOKU_PLUGIN.'siteexport/inc/pdfgenerator.php'); 5 6class siteexport_zipfilewriter 7{ 8 /** 9 * further classes 10 */ 11 private $pdfGenerator = false; 12 private $functions = null; 13 14 public function siteexport_zipfilewriter( $functions = null ) 15 { 16 $this->functions = $functions; 17 if ( class_exists( 'siteexport_pdfgenerator' ) ) 18 { 19 $this->pdfGenerator = new siteexport_pdfgenerator($functions); 20 } 21 } 22 23 public function canDoPDF() 24 { 25 return $this->pdfGenerator !== false; 26 } 27 28 29 /** 30 * Wrapper for fetching the Context or the TOC for Eclipse Documentation 31 * This also puts the file into the zip package 32 **/ 33 public function __moveDataToZip($DATA, $FILENAME='toc.xml') { 34 35 if ( empty($DATA) ) { return false; } 36 37 $tmpFile = tempnam($this->functions->settings->tmpDir , 'siteexport__'); 38 39 $fp = fopen( $tmpFile, "w"); 40 if(!$fp) return false; 41 42 fwrite($fp,$DATA); 43 fclose($fp); 44 45 // Add to zip 46 $status = $this->__addFileToZip($tmpFile, $FILENAME); 47 @unlink($tmpFile); 48 49 return true; 50 } 51 52 /** 53 * Adds a file to the zip file 54 * @param $FILE file-name of the zip 55 * @param $NAME name of the file that is being added 56 * @param $ZIP name of the zip file to which we add 57 */ 58 function __addFileToZip($FILE, $NAME, $ZIP=null) { 59 60 if ( $NAME[0] === "/" ) { 61 $this->functions->debug->message("Weird, the NAME for the ZIP started with a '/'. This may result in wrong links!", null, 3); 62 $NAME = substr($NAME, 1); 63 } 64 65 // check for mpdf 66 if ( $this->canDoPDF() ) { 67 $this->functions->debug->message("Trying to create PDF from File '$FILE' with name '$NAME' for ZIP '$ZIP'", null, 2); 68 69 if ( $this->functions->debug->debugLevel() <= 1 ) { // 2011-01-12 Write HTML to ZIP for Debug purpose 70 $this->__writeFileToZip($FILE, "_debug/$NAME.html", $ZIP); 71 } 72 73 if ( !$this->pdfGenerator->createPDFFromFile($FILE, $NAME) ) { 74 $this->functions->debug->runtimeException("Create PDF from File '$FILE' with name '$NAME' went wrong and is not being added!"); 75 return false; 76 } 77 } 78 79 return $this->__writeFileToZip($FILE, $NAME, $ZIP); 80 } 81 82 /** 83 * This really writes a file to a zip-file 84 * @param $FILE file-name of the zip 85 * @param $NAME name of the file that is being added 86 * @param $ZIP name of the zip file to which we add 87 */ 88 private function __writeFileToZip($FILE, $NAME, $ZIP) { 89 if ( empty( $ZIP ) ) $ZIP = $this->functions->settings->zipFile; 90 91 if ( !class_exists('ZipArchive') ) { 92 $this->functions->debug->runtimeException("PHP class 'ZipArchive' does not exist. Please make sure that you have the ziplib extension for PHP installed."); 93 return false; 94 } 95 96 $zip = new ZipArchive(); 97 if ( !$zip ) { 98 $this->functions->debug->runtimeException("Can't create new instance of 'ZipArchive'. Please make sure that you have the ziplib extension for PHP installed."); 99 return false; 100 } 101 102 $code = $zip->open($ZIP, ZipArchive::CREATE); 103 if ($code === TRUE) { 104 105 $this->functions->debug->message("Adding file '$NAME' to ZIP $ZIP", null, 2); 106 107 $zip->addFile($FILE, $NAME); 108 $zip->close(); 109 110 // If this has worked out, we may put this version into the cache ... ? 111 112 // ALibi Touching - 2011-09-13 wird nicht gebraucht nach Umstellung 113 // io_saveFile(mediaFN($this->origZipFile), "alibi file"); 114 115 return true; 116 } 117 118 $this->functions->debug->runtimeException("Zip Error #$code"); 119 return false; 120 } 121 122 /** 123 * check if a file exists allready 124 * @param $NAME name of the file in the zip 125 */ 126 function fileExistsInZip($NAME) 127 { 128 $zip = new ZipArchive(); 129 $code = $zip->open($this->functions->settings->zipFile, ZipArchive::CREATE); 130 if ($code === TRUE) { 131 return !($zip->statName($NAME) === FALSE); 132 } 133 134 return false; 135 } 136 137 /** 138 * Checks if a valid cache file exists for the given request parameters 139 * @param $requestData 140 */ 141 function hasValidCacheFile($requestData, $depends=array()) 142 { 143 $pattern = $this->functions->requestParametersToCacheHash($requestData); 144 return $this->hasValidCacheFileForPattern($pattern, $depends); 145 } 146 147 private function hasValidCacheFileForPattern($pattern, $depends=array()) 148 { 149 $this->functions->debug->message("HASH-Pattern for CacheFile: ", $pattern, 2); 150 $this->functions->settings->hasValidCacheFile = false; // reset the cache settings 151 $cacheFile = $this->functions->getCacheFileNameForPattern($pattern); 152 153 $mtime = @filemtime($cacheFile); // 0 if not exists 154 155 // Check if the file is expired - if so, just create a new one. 156 if ( $mtime == 0 || $mtime < time()-$this->functions->settings->cachetime ) 157 { 158 @unlink($cacheFile); 159 @unlink($this->functions->settings->zipFile); 160 $this->functions->debug->message("New CacheFile because the file was over the cachetime: ", $cacheFile, 2); 161 return false; 162 } 163 164 // Check for dependencies 165 if ( !empty($depends) ) 166 { 167 foreach ($depends as $site) { 168 169 if ( !page_exists($site['id']) ) 170 { 171 continue; 172 } 173 174 if ($mtime < @filemtime(wikiFN($site['id']))) { 175 @unlink($cacheFile); 176 @unlink($this->functions->settings->zipFile); 177 $this->functions->debug->message("New CacheFile, because a page changed: ", $cacheFile, 2); 178 return false; // cache older than files it depends on? 179 } 180 } 181 } 182 183 $this->functions->debug->message("CacheFile exists: ", $cacheFile, 2); 184 return $this->functions->settings->hasValidCacheFile = true; 185 } 186 187 public function getOnlyFileInZip(&$data = null) { 188 189 if ( is_null($data['file']) ) $data['file'] = $this->functions->settings->zipFile; 190 191 $zip = new ZipArchive(); 192 $code = $zip->open($data['file']); 193 if ( $code !== TRUE ) { 194 $this->functions->debug->message("Can't open the zip-file.", $data['file'], 2); 195 return false; 196 } 197 198 if ( $zip->numFiles != 1 ) { 199 $this->functions->debug->message("More than one ({$zip->numFiles}) file in zip.", $data['file'], 2); 200 return false; 201 } 202 203 $stat = $zip->statIndex( 0 ); 204 $this->functions->debug->message("Stat.", $stat, 3); 205 if ( substr($stat['name'], -3) != 'pdf' ) { 206 $this->functions->debug->message("The file was not a PDF ({$stat['name']}).", $stat['name'], 2); 207 return false; 208 } 209 210 $data['mime'] = 'application/pdf'; 211 $data['download'] = $this->functions->settings->download ? 1 : 0; 212 213 // Extract single file. 214 $folder = dirname($data['file']); 215 216 $data['orig'] = utf8_basename($stat['name']); 217 $zip->extractTo($folder, $stat['name']); 218 $zip->close(); 219 220 sleep(1); 221 $data['file'] .= '.' . cleanID($data['orig']); // Wee need the other file for cache reasons. 222 @rename($folder.'/'.$data['orig'], $data['file']); 223 return true; 224 } 225} 226 227?>