AAAAhome/academiac/www/libraries/joomla/filesystem/archive/bzip2.php000064400000007212151377167550021033 0ustar00_data = null; if (!extension_loaded('bz2')) { $this->set('error.message', JText::_('JLIB_FILESYSTEM_BZIP_NOT_SUPPORTED')); return JError::raiseWarning(100, $this->get('error.message')); } if (!isset($options['use_streams']) || $options['use_streams'] == false) { // Old style: read the whole file and then parse it if (!$this->_data = JFile::read($archive)) { $this->set('error.message', 'Unable to read archive'); return JError::raiseWarning(100, $this->get('error.message')); } $buffer = bzdecompress($this->_data); unset($this->_data); if (empty($buffer)) { $this->set('error.message', 'Unable to decompress data'); return JError::raiseWarning(100, $this->get('error.message')); } if (JFile::write($destination, $buffer) === false) { $this->set('error.message', 'Unable to write archive'); return JError::raiseWarning(100, $this->get('error.message')); } } else { // New style! streams! $input = JFactory::getStream(); $input->set('processingmethod', 'bz'); // use bzip if (!$input->open($archive)) { $this->set('error.message', JText::_('JLIB_FILESYSTEM_BZIP_UNABLE_TO_READ')); return JError::raiseWarning(100, $this->get('error.message')); } $output = JFactory::getStream(); if (!$output->open($destination, 'w')) { $this->set('error.message', JText::_('JLIB_FILESYSTEM_BZIP_UNABLE_TO_WRITE')); $input->close(); // close the previous file return JError::raiseWarning(100, $this->get('error.message')); } do { $this->_data = $input->read($input->get('chunksize', 8196)); if ($this->_data) { if (!$output->write($this->_data)) { $this->set('error.message', JText::_('JLIB_FILESYSTEM_BZIP_UNABLE_TO_WRITE_FILE')); return JError::raiseWarning(100, $this->get('error.message')); } } } while ($this->_data); $output->close(); $input->close(); } return true; } /** * Tests whether this adapter can unpack files on this computer. * * @return boolean True if supported * * @since 11.3 */ public static function isSupported() { self::loadExtension(); return extension_loaded('bz2'); } /** * Load the bzip2 extension * * @return void * * @since 11.3 */ private static function loadExtension() { // Is bz2 extension loaded? If not try to load it if (!extension_loaded('bz2')) { if (JPATH_ISWIN) { @ dl('php_bz2.dll'); } else { @ dl('bz2.so'); } } } }