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<?php /** * MimeMagic helper functions for detecting and dealing with MIME types. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * http://www.gnu.org/copyleft/gpl.html * * @file */ use Wikimedia\FileBackend\FileBackend; use Wikimedia\FileBackend\FSFile\FSFile; use Wikimedia\Mime\MimeAnalyzer; /** * MimeMagic helper wrapper * * @since 1.28 */ class MWFileProps { /** @var MimeAnalyzer */ private $magic; /** * @param MimeAnalyzer $magic */ public function __construct( MimeAnalyzer $magic ) { $this->magic = $magic; } /** * Get an associative array containing information about * a file with the given storage path. * * Resulting array fields include: * - fileExists * - size (filesize in bytes) * - mime (as major/minor) * - media_type (value to be used with the MEDIATYPE_xxx constants) * - metadata (handler specific) * - sha1 (in base 36) * - width * - height * - bits (bitrate) * - file-mime * - major_mime * - minor_mime * * @param string $path Filesystem path to a file * @param string|bool|null $ext The file extension, or true to extract it from the filename. * Set it to false to ignore the extension. Might be null in case the file is going to be * stashed. * @return array * @since 1.28 */ public function getPropsFromPath( $path, $ext ) { $fsFile = new FSFile( $path ); $info = $this->newPlaceholderProps(); $info['fileExists'] = $fsFile->exists(); if ( $info['fileExists'] ) { $info['size'] = $fsFile->getSize(); // bytes $info['sha1'] = $fsFile->getSha1Base36(); # MIME type according to file contents $info['file-mime'] = $this->magic->guessMimeType( $path, false ); # Logical MIME type $ext = ( $ext === true ) ? FileBackend::extensionFromPath( $path ) : (string)$ext; # XXX: MimeAnalyzer::improveTypeFromExtension() may return null (T253483). # Unclear if callers of this method expect that. $info['mime'] = $this->magic->improveTypeFromExtension( $info['file-mime'], $ext ); [ $info['major_mime'], $info['minor_mime'] ] = File::splitMime( $info['mime'] ); $info['media_type'] = $this->magic->getMediaType( $path, $info['mime'] ); # Height, width and metadata // @phan-suppress-next-line PhanTypeMismatchArgumentNullable See XXX above $handler = MediaHandler::getHandler( $info['mime'] ); if ( $handler ) { $sizeAndMetadata = $handler->getSizeAndMetadataWithFallback( $fsFile, $path ); if ( $sizeAndMetadata ) { $info = $sizeAndMetadata + $info; } } } return $info; } /** * Empty place holder props for non-existing files * * Resulting array fields include: * - fileExists * - size (filesize in bytes) * - mime (as major/minor) * - media_type (value to be used with the MEDIATYPE_xxx constants) * - metadata (handler specific) * - sha1 (in base 36) * - width * - height * - bits (bitrate) * - file-mime * - major_mime * - minor_mime * * @return array * @since 1.28 */ public function newPlaceholderProps() { return FSFile::placeholderProps() + [ 'metadata' => [], 'width' => 0, 'height' => 0, 'bits' => 0, 'media_type' => MEDIATYPE_UNKNOWN ]; } }
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