1: <?php
  2: /**
  3:  * This file contains the Extractor for plugin archive files
  4:  *
  5:  * @package Plugin
  6:  * @subpackage PluginManager
  7:  * @author Frederic Schneider
  8:  * @copyright four for business AG <www.4fb.de>
  9:  * @license http://www.contenido.org/license/LIZENZ.txt
 10:  * @link http://www.4fb.de
 11:  * @link http://www.contenido.org
 12:  */
 13: 
 14: defined('CON_FRAMEWORK') || die('Illegal call: Missing framework initialization - request aborted.');
 15: 
 16: /**
 17:  * Extractor for plugin archive files
 18:  *
 19:  * @package     Plugin
 20:  * @subpackage  PluginManager
 21:  * @author Frederic Schneider
 22:  */
 23: class PimPluginArchiveExtractor {
 24: 
 25:     /**
 26:      * The extractor initializer
 27:      *
 28:      * @var int
 29:      */
 30:     protected $_extractor = 0;
 31: 
 32:     /**
 33:      * The temp dir
 34:      *
 35:      * @var string
 36:      */
 37:     protected $tempDir = '';
 38: 
 39:     /**
 40:      * The archive file
 41:      *
 42:      * @var string
 43:      */
 44:     protected $_source = '';
 45: 
 46:     /**
 47:      * The destination path
 48:      *
 49:      * @var string
 50:      */
 51:     protected $_destination = '';
 52: 
 53:     /**
 54:      * The absolute path
 55:      *
 56:      * @var string
 57:      */
 58:     protected $_absPath = '';
 59: 
 60:     /**
 61:      * Constructor of ArchiveExtractor, load the file list
 62:      *
 63:      * @param $source string path to the temp directory
 64:      * @param $filename string name of zip archive
 65:      * @throws cException if the source file does not exists
 66:      */
 67:     public function __construct($source, $filename) {
 68:         $cfg = cRegistry::getConfig();
 69: 
 70:         // initialzing ziparchive
 71:         $this->_extractor = new ZipArchive();
 72: 
 73:         // path to temp directory
 74:         $this->tempDir = $source;
 75: 
 76:         // temp directory with zip archive
 77:         $this->_source = (string) $source . (string) $filename;
 78: 
 79:         if (file_exists($source)) {
 80:             // generate absolute path to the plugin manager directory
 81:             $this->_absPath = $cfg['path']['contenido'] . $cfg['path']['plugins'] . 'pim' . DIRECTORY_SEPARATOR;
 82: 
 83:             // open the zip archive
 84:             $this->_extractor->open($this->_source);
 85:         } else {
 86:             throw new cException('Source file does not exists');
 87:         }
 88:     }
 89: 
 90:     public function closeArchive() {
 91:         $this->_extractor->close();
 92:     }
 93: 
 94:     /**
 95:      * Sets the path where the extractor extracts the archive files
 96:      *
 97:      * @param $destination string
 98:      * @throws cException if the destination path can not set (directory is not
 99:      *         writable)
100:      * @throws cException if the defined destination already exists
101:      */
102:     public function setDestinationPath($destination) {
103:         if (!is_dir($destination)) {
104:             $makeDirectory = mkdir($destination, 0777);
105:             if ($makeDirectory != true) {
106:                 throw new cException('Can not set destination path: directoy is not writable');
107:             }
108:             $this->_destination = (string) $destination;
109:         } else {
110:             throw new cException('Destination already exists');
111:         }
112:     }
113: 
114:     /**
115:      * Extracts the whole archive
116:      *
117:      * @throws cException if the extraction failed
118:      */
119:     public function extractArchive() {
120:         if ($this->_destination != '') {
121:             $this->_extractor->extractTo($this->_destination);
122:         } else {
123:             throw new cException('Extraction failed: no destination path setted');
124:         }
125:     }
126: 
127:     /**
128:      * Extracts a specific file from archive and return its content to use it in
129:      * a variable
130:      *
131:      * @param $filename string
132:      * @param $content bool [optional] whether to return the content or just the
133:      *            dir and filename of the extracted file
134:      * @return string content of extracted file or dir and filename of extracted
135:      *         File
136:      */
137:     public function extractArchiveFileToVariable($filename, $content = true) {
138:         $filename = (string) $filename;
139:         $this->_extractor->extractTo($this->tempDir, $filename);
140: 
141:         if ($content) {
142:             return file_get_contents($this->tempDir . $filename);
143:         } else {
144:             return $this->tempDir . $filename;
145:         }
146:     }
147: 
148:     /**
149:      * Destory temporary plugin files (plugin.xml, plugin_install.sql and files
150:      * at CONTENIDO temp dir)
151:      */
152:     public function destroyTempFiles() {
153: 
154:         // remove plugin.xml if exists
155:         if (cFileHandler::exists($this->tempDir . 'plugin.xml')) {
156:             cFileHandler::remove($this->tempDir . 'plugin.xml');
157:         }
158: 
159:         // remove plugin_install.sql if exists
160:         if (cFileHandler::exists($this->tempDir . 'plugin_install.sql')) {
161:             cFileHandler::remove($this->tempDir . 'plugin_install.sql');
162:         }
163: 
164:         // remove temporary plugin dir if exists
165:         if (cFileHandler::exists($this->_source)) {
166:             cFileHandler::remove($this->_source);
167:         }
168:     }
169: 
170: }
171: