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| 1 | <?php |
| 2 | /** |
| 3 | * This program is free software; you can redistribute it and/or modify |
| 4 | * it under the terms of the GNU General Public License as published by |
| 5 | * the Free Software Foundation; either version 2 of the License, or |
| 6 | * (at your option) any later version. |
| 7 | * |
| 8 | * This program is distributed in the hope that it will be useful, |
| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 11 | * GNU General Public License for more details. |
| 12 | * |
| 13 | * You should have received a copy of the GNU General Public License along |
| 14 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 15 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 16 | * http://www.gnu.org/copyleft/gpl.html |
| 17 | * |
| 18 | * @file |
| 19 | */ |
| 20 | |
| 21 | namespace MediaWiki\FileRepo\File; |
| 22 | |
| 23 | use BadMethodCallException; |
| 24 | use MediaHandler; |
| 25 | use MediaWiki\FileRepo\FileRepo; |
| 26 | use MediaWiki\MediaWikiServices; |
| 27 | use MediaWiki\Title\Title; |
| 28 | use Wikimedia\FileBackend\FSFile\FSFile; |
| 29 | |
| 30 | /** |
| 31 | * File without associated database record. |
| 32 | * |
| 33 | * Represents a standalone local file, or a file in a local repository |
| 34 | * with no database, for example a FileRepo repository. |
| 35 | * |
| 36 | * Read-only. |
| 37 | * |
| 38 | * @todo Currently it doesn't really work in the repository role, there are |
| 39 | * lots of functions missing. It is used by the WebStore extension in the |
| 40 | * standalone role. |
| 41 | * |
| 42 | * @ingroup FileAbstraction |
| 43 | */ |
| 44 | class UnregisteredLocalFile extends File { |
| 45 | /** @var Title */ |
| 46 | protected $title; |
| 47 | |
| 48 | /** @var string */ |
| 49 | protected $path; |
| 50 | |
| 51 | /** @var string|false|null */ |
| 52 | protected $mime; |
| 53 | |
| 54 | /** @var array[]|bool[] Dimension data */ |
| 55 | protected $pageDims; |
| 56 | |
| 57 | /** @var array|null */ |
| 58 | protected $sizeAndMetadata; |
| 59 | |
| 60 | /** @var MediaHandler */ |
| 61 | public $handler; |
| 62 | |
| 63 | /** |
| 64 | * @param string $path Storage path |
| 65 | * @param string $mime |
| 66 | * @return static |
| 67 | */ |
| 68 | public static function newFromPath( $path, $mime ) { |
| 69 | return new static( false, false, $path, $mime ); |
| 70 | } |
| 71 | |
| 72 | /** |
| 73 | * @param Title $title |
| 74 | * @param FileRepo $repo |
| 75 | * @return static |
| 76 | */ |
| 77 | public static function newFromTitle( $title, $repo ) { |
| 78 | return new static( $title, $repo, false, false ); |
| 79 | } |
| 80 | |
| 81 | /** |
| 82 | * Create an UnregisteredLocalFile based on a path or a (title,repo) pair. |
| 83 | * A FileRepo object is not required here, unlike most other File classes. |
| 84 | * |
| 85 | * @param Title|false $title |
| 86 | * @param FileRepo|false $repo |
| 87 | * @param string|false $path |
| 88 | * @param string|false $mime |
| 89 | */ |
| 90 | public function __construct( $title = false, $repo = false, $path = false, $mime = false ) { |
| 91 | if ( !( $title && $repo ) && !$path ) { |
| 92 | throw new BadMethodCallException( __METHOD__ . |
| 93 | ': not enough parameters, must specify title and repo, or a full path' ); |
| 94 | } |
| 95 | if ( $title instanceof Title ) { |
| 96 | $this->title = File::normalizeTitle( $title, 'exception' ); |
| 97 | $this->name = $repo->getNameFromTitle( $title ); |
| 98 | } else { |
| 99 | $this->name = basename( $path ); |
| 100 | $this->title = File::normalizeTitle( $this->name, 'exception' ); |
| 101 | } |
| 102 | $this->repo = $repo; |
| 103 | if ( $path ) { |
| 104 | $this->path = $path; |
| 105 | } else { |
| 106 | $this->assertRepoDefined(); |
| 107 | $this->path = $repo->getRootDirectory() . '/' . |
| 108 | $repo->getHashPath( $this->name ) . $this->name; |
| 109 | } |
| 110 | if ( $mime ) { |
| 111 | $this->mime = $mime; |
| 112 | } |
| 113 | $this->pageDims = []; |
| 114 | } |
| 115 | |
| 116 | /** |
| 117 | * @param int $page |
| 118 | * @return array|false |
| 119 | */ |
| 120 | private function cachePageDimensions( $page = 1 ) { |
| 121 | $page = (int)$page; |
| 122 | if ( $page < 1 ) { |
| 123 | $page = 1; |
| 124 | } |
| 125 | |
| 126 | if ( !isset( $this->pageDims[$page] ) ) { |
| 127 | if ( !$this->getHandler() ) { |
| 128 | return false; |
| 129 | } |
| 130 | if ( $this->getHandler()->isMultiPage( $this ) ) { |
| 131 | $this->pageDims[$page] = $this->handler->getPageDimensions( $this, $page ); |
| 132 | } else { |
| 133 | $info = $this->getSizeAndMetadata(); |
| 134 | return [ |
| 135 | 'width' => $info['width'], |
| 136 | 'height' => $info['height'] |
| 137 | ]; |
| 138 | } |
| 139 | } |
| 140 | |
| 141 | return $this->pageDims[$page]; |
| 142 | } |
| 143 | |
| 144 | /** |
| 145 | * @param int $page |
| 146 | * @return int |
| 147 | */ |
| 148 | public function getWidth( $page = 1 ) { |
| 149 | $dim = $this->cachePageDimensions( $page ); |
| 150 | |
| 151 | return $dim['width'] ?? 0; |
| 152 | } |
| 153 | |
| 154 | /** |
| 155 | * @param int $page |
| 156 | * @return int |
| 157 | */ |
| 158 | public function getHeight( $page = 1 ) { |
| 159 | $dim = $this->cachePageDimensions( $page ); |
| 160 | |
| 161 | return $dim['height'] ?? 0; |
| 162 | } |
| 163 | |
| 164 | /** |
| 165 | * @return string|false |
| 166 | */ |
| 167 | public function getMimeType() { |
| 168 | if ( $this->mime === null ) { |
| 169 | $refPath = $this->getLocalRefPath(); |
| 170 | if ( $refPath !== false ) { |
| 171 | $magic = MediaWikiServices::getInstance()->getMimeAnalyzer(); |
| 172 | $this->mime = $magic->guessMimeType( $refPath ); |
| 173 | } else { |
| 174 | $this->mime = false; |
| 175 | } |
| 176 | } |
| 177 | |
| 178 | return $this->mime; |
| 179 | } |
| 180 | |
| 181 | /** |
| 182 | * @return int |
| 183 | */ |
| 184 | public function getBitDepth() { |
| 185 | $info = $this->getSizeAndMetadata(); |
| 186 | return $info['bits'] ?? 0; |
| 187 | } |
| 188 | |
| 189 | /** |
| 190 | * @return string|false |
| 191 | */ |
| 192 | public function getMetadata() { |
| 193 | $info = $this->getSizeAndMetadata(); |
| 194 | return $info['metadata'] ? serialize( $info['metadata'] ) : false; |
| 195 | } |
| 196 | |
| 197 | public function getMetadataArray(): array { |
| 198 | $info = $this->getSizeAndMetadata(); |
| 199 | return $info['metadata']; |
| 200 | } |
| 201 | |
| 202 | private function getSizeAndMetadata(): array { |
| 203 | if ( $this->sizeAndMetadata === null ) { |
| 204 | if ( !$this->getHandler() ) { |
| 205 | $this->sizeAndMetadata = [ 'width' => 0, 'height' => 0, 'metadata' => [] ]; |
| 206 | } else { |
| 207 | $this->sizeAndMetadata = $this->getHandler()->getSizeAndMetadataWithFallback( |
| 208 | $this, $this->getLocalRefPath() ); |
| 209 | } |
| 210 | } |
| 211 | |
| 212 | return $this->sizeAndMetadata; |
| 213 | } |
| 214 | |
| 215 | /** |
| 216 | * @return string|false |
| 217 | */ |
| 218 | public function getURL() { |
| 219 | if ( $this->repo ) { |
| 220 | return $this->repo->getZoneUrl( 'public' ) . '/' . |
| 221 | $this->repo->getHashPath( $this->name ) . rawurlencode( $this->name ); |
| 222 | } else { |
| 223 | return false; |
| 224 | } |
| 225 | } |
| 226 | |
| 227 | /** |
| 228 | * @return false|int |
| 229 | */ |
| 230 | public function getSize() { |
| 231 | $this->assertRepoDefined(); |
| 232 | |
| 233 | return $this->repo->getFileSize( $this->path ); |
| 234 | } |
| 235 | |
| 236 | /** |
| 237 | * Optimize getLocalRefPath() by using an existing local reference. |
| 238 | * The file at the path of $fsFile should not be deleted (or at least |
| 239 | * not until the end of the request). This is mostly a performance hack. |
| 240 | * |
| 241 | * @param FSFile $fsFile |
| 242 | * @return void |
| 243 | */ |
| 244 | public function setLocalReference( FSFile $fsFile ) { |
| 245 | $this->fsFile = $fsFile; |
| 246 | } |
| 247 | } |
| 248 | |
| 249 | /** @deprecated class alias since 1.44 */ |
| 250 | class_alias( UnregisteredLocalFile::class, 'UnregisteredLocalFile' ); |