f = Core::make('helper/file'); } /** * Moves an uploaded file to the tmp directory. * * @param string $file The full path of the file to copy * * @return string Return the base name of the file copied to the temporary directory. */ protected function uploadZipToTemp($file) { if (!file_exists($file)) { throw new Exception(t('Could not transfer to temp directory - file not found.')); } else { $dir = time(); copy($file, $this->f->getTemporaryDirectory() . '/'. $dir . '.zip'); return $dir; } } /** * Unzips a file at a directory level by concatenating ".zip" onto the end of it. * * unzip("/path/to/files/themes/mytheme") // will unzip "mytheme.zip" * . * * @param string $directory The base name of the file (without extension, assumed to be in the the temporary directory). * * @return string Return the full path of the extracted directory. */ protected function unzip($directory) { $file = $directory . '.zip'; $zip = new \ZipArchive(); if ($zip->open($this->f->getTemporaryDirectory() . '/' . $file) === true) { $zip->extractTo($this->f->getTemporaryDirectory() . '/' . $directory . '/'); $zip->close(); return $this->f->getTemporaryDirectory() . '/' . $directory; } } /** * Returns either the directory (if the archive itself contains files at the first level) or the subdirectory if, like * many archiving programs, we the zip archive is a directory, THEN a list of files. * * @param string $dir The full path of the directory to be analyzed. * * @return string Returns the final directory containing the files to be used. */ protected function getArchiveDirectory($dir) { $files = $this->f->getDirectoryContents($dir); // strip out items in directories that we know aren't valid if (count($files) == 1 && is_dir($dir . '/' . $files[0])) { return $dir . '/' . $files[0]; } else { return $dir; } } /** * Installs a zip file from the passed directory. * * @todo This is theme-specific - it really ought to be moved to the page_theme_archive class, at least most it. * * @param string $zipfile * @param bool $inplace Set to false if $file should be moved to the temporary directory before working on it, set to true if it's already in the temp directory. * * @return string Returns the base directory into which the zipfile was unzipped */ protected function install($file, $inplace = false) { if (!$inplace) { $directory = $this->uploadZipToTemp($file); } else { $directory = $file; } $dir = $this->unzip($directory); $dirFull = $this->getArchiveDirectory($dir); $dirBase = substr(strrchr($dirFull, '/'), 1); if (file_exists($this->targetDirectory . '/' . $dirBase)) { throw new Exception(t('The directory %s already exists. Perhaps this item has already been installed.', $this->targetDirectory . '/' . $dirBase)); } else { $this->f->copyAll($dirFull, $this->targetDirectory . '/' . $dirBase); if (!is_dir($this->targetDirectory . '/' . $dirBase)) { throw new Exception(t('Unable to copy directory %s to %s. Perhaps permissions are set incorrectly or the target directory does not exist.', $dirBase, $this->targetDirectory)); } } return $dirBase; } }