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<?php |
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/** |
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* @author Victor Dubiniuk <[email protected]> |
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* |
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* @copyright Copyright (c) 2015, ownCloud, Inc. |
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* @license AGPL-3.0 |
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* |
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* This code is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Affero General Public License, version 3, |
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* as published by the Free Software Foundation. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Affero General Public License for more details. |
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* |
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* You should have received a copy of the GNU Affero General Public License, version 3, |
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* along with this program. If not, see <http://www.gnu.org/licenses/> |
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* |
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*/ |
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namespace Owncloud\Updater\Utils; |
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use Symfony\Component\Console\Output\OutputInterface; |
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use Symfony\Component\Process\Process; |
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use Symfony\Component\Process\ProcessUtils; |
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use ZipArchive; |
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class ZipExtractor { |
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protected $file; |
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protected $path; |
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/** @var OutputInterface */ |
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protected $output; |
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/** |
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* @param string $file |
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* @param string $path |
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* @param OutputInterface $output |
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*/ |
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public function __construct($file, $path, OutputInterface $output = null){ |
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$this->file = $file; |
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$this->path = $path; |
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if (!is_null($output)){ |
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$this->output = $output; |
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} |
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} |
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/** |
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* @return bool |
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*/ |
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public function extract(){ |
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if ($this->extractShell()){ |
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return true; |
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} |
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if (!class_exists('ZipArchive')){ |
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throw new \RuntimeException("Could not decompress the archive, enable the PHP zip extension or install unzip."); |
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} |
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return $this->extractZipArchive(); |
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} |
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private function extractShell(){ |
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$command = 'unzip ' . ProcessUtils::escapeArgument($this->file) . ' -d ' . ProcessUtils::escapeArgument($this->path) . ' && chmod -R u+w ' . ProcessUtils::escapeArgument($this->path); |
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$process = new Process($command); |
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$process->setTimeout(null); |
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$process->run(); |
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if ($this->output) { |
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$this->output->writeln($process->getErrorOutput()); |
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} |
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return $process->isSuccessful(); |
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} |
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/** |
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* @return bool |
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*/ |
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private function extractZipArchive(){ |
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$zipArchive = new ZipArchive(); |
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if (true !== ($exitCode = $zipArchive->open($this->file))){ |
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throw new \UnexpectedValueException($this->getErrorMessage($exitCode), $exitCode); |
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} |
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if (true !== $zipArchive->extractTo($this->path)){ |
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throw new \RuntimeException("There was an error extracting the ZIP file. Corrupt file?"); |
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} |
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$zipArchive->close(); |
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return true; |
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} |
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/** |
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* @param int $exitCode |
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* @return string |
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*/ |
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protected function getErrorMessage($exitCode){ |
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switch ($exitCode){ |
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case ZipArchive::ER_EXISTS: |
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return sprintf("File '%s' already exists.", $this->file); |
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case ZipArchive::ER_INCONS: |
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return sprintf("Zip archive '%s' is inconsistent.", $this->file); |
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case ZipArchive::ER_INVAL: |
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return sprintf("Invalid argument (%s)", $this->file); |
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case ZipArchive::ER_MEMORY: |
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return sprintf("Malloc failure (%s)", $this->file); |
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case ZipArchive::ER_NOENT: |
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return sprintf("No such zip file: '%s'", $this->file); |
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case ZipArchive::ER_NOZIP: |
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return sprintf("'%s' is not a zip archive.", $this->file); |
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case ZipArchive::ER_OPEN: |
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return sprintf("Can't open zip file: %s", $this->file); |
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case ZipArchive::ER_READ: |
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return sprintf("Zip read error (%s)", $this->file); |
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case ZipArchive::ER_SEEK: |
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return sprintf("Zip seek error (%s)", $this->file); |
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default: |
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return sprintf("'%s' is not a valid zip archive, got error code: %s", $this->file, $exitCode); |
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} |
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} |
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} |
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owncloud /
updater
