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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 | * @defgroup JobQueue JobQueue |
| 20 | */ |
| 21 | |
| 22 | namespace MediaWiki\JobQueue\Jobs; |
| 23 | |
| 24 | use Exception; |
| 25 | use MediaWiki\Api\ApiUpload; |
| 26 | use MediaWiki\Context\RequestContext; |
| 27 | use MediaWiki\Exception\MWExceptionHandler; |
| 28 | use MediaWiki\Logger\LoggerFactory; |
| 29 | use MediaWiki\Status\Status; |
| 30 | use MediaWiki\User\User; |
| 31 | use UploadBase; |
| 32 | use Wikimedia\ScopedCallback; |
| 33 | |
| 34 | /** |
| 35 | * Common functionality for async uploads |
| 36 | * |
| 37 | * @ingroup Upload |
| 38 | * @ingroup JobQueue |
| 39 | */ |
| 40 | trait UploadJobTrait { |
| 41 | /** @var User|null */ |
| 42 | private $user; |
| 43 | |
| 44 | /** @var string */ |
| 45 | private $cacheKey; |
| 46 | |
| 47 | /** @var UploadBase */ |
| 48 | private $upload; |
| 49 | |
| 50 | /** @var array The job parameters */ |
| 51 | public $params; |
| 52 | |
| 53 | /** |
| 54 | * Set up the job |
| 55 | * |
| 56 | * @param string $cacheKey |
| 57 | * @return void |
| 58 | */ |
| 59 | protected function initialiseUploadJob( $cacheKey ): void { |
| 60 | $this->cacheKey = $cacheKey; |
| 61 | $this->user = null; |
| 62 | } |
| 63 | |
| 64 | /** |
| 65 | * Do not allow retries on jobs by default. |
| 66 | */ |
| 67 | public function allowRetries(): bool { |
| 68 | return false; |
| 69 | } |
| 70 | |
| 71 | /** |
| 72 | * Run the job |
| 73 | */ |
| 74 | public function run(): bool { |
| 75 | $this->user = $this->getUserFromSession(); |
| 76 | if ( $this->user === null ) { |
| 77 | return false; |
| 78 | } |
| 79 | |
| 80 | try { |
| 81 | // Check the initial status of the upload |
| 82 | $startingStatus = UploadBase::getSessionStatus( $this->user, $this->cacheKey ); |
| 83 | // Warn if in wrong stage, but still continue. User may be able to trigger |
| 84 | // this by retrying after failure. |
| 85 | if ( |
| 86 | !$startingStatus || |
| 87 | ( $startingStatus['result'] ?? '' ) !== 'Poll' || |
| 88 | ( $startingStatus['stage'] ?? '' ) !== 'queued' |
| 89 | ) { |
| 90 | $logger = LoggerFactory::getInstance( 'upload' ); |
| 91 | $logger->warning( "Tried to publish upload that is in stage {stage}/{result}", |
| 92 | $this->logJobParams( $startingStatus ) |
| 93 | ); |
| 94 | } |
| 95 | |
| 96 | // Fetch the file if needed |
| 97 | if ( !$this->fetchFile() ) { |
| 98 | return false; |
| 99 | } |
| 100 | |
| 101 | // Verify the upload is valid |
| 102 | if ( !$this->verifyUpload() ) { |
| 103 | return false; |
| 104 | } |
| 105 | |
| 106 | // Actually upload the file |
| 107 | if ( !$this->performUpload() ) { |
| 108 | return false; |
| 109 | } |
| 110 | |
| 111 | // All done |
| 112 | $this->setStatusDone(); |
| 113 | |
| 114 | // Cleanup any temporary local file |
| 115 | $this->getUpload()->cleanupTempFile(); |
| 116 | |
| 117 | } catch ( Exception $e ) { |
| 118 | $this->setStatus( 'publish', 'Failure', Status::newFatal( 'api-error-publishfailed' ) ); |
| 119 | $this->setLastError( get_class( $e ) . ": " . $e->getMessage() ); |
| 120 | // To prevent potential database referential integrity issues. |
| 121 | // See T34551. |
| 122 | MWExceptionHandler::rollbackPrimaryChangesAndLog( $e ); |
| 123 | return false; |
| 124 | } |
| 125 | |
| 126 | return true; |
| 127 | } |
| 128 | |
| 129 | /** |
| 130 | * Get the cache key used to store status |
| 131 | * |
| 132 | * @return string |
| 133 | */ |
| 134 | public function getCacheKey() { |
| 135 | return $this->cacheKey; |
| 136 | } |
| 137 | |
| 138 | /** |
| 139 | * Get user data from the session key |
| 140 | * |
| 141 | * @return User|null |
| 142 | */ |
| 143 | private function getUserFromSession() { |
| 144 | $scope = RequestContext::importScopedSession( $this->params['session'] ); |
| 145 | $this->addTeardownCallback( static function () use ( &$scope ) { |
| 146 | ScopedCallback::consume( $scope ); // T126450 |
| 147 | } ); |
| 148 | |
| 149 | $context = RequestContext::getMain(); |
| 150 | $user = $context->getUser(); |
| 151 | if ( !$user->isRegistered() ) { |
| 152 | $this->setLastError( "Could not load the author user from session." ); |
| 153 | |
| 154 | return null; |
| 155 | } |
| 156 | return $user; |
| 157 | } |
| 158 | |
| 159 | /** |
| 160 | * Set the upload status |
| 161 | * |
| 162 | * @param string $stage |
| 163 | * @param string $result |
| 164 | * @param Status|null $status |
| 165 | * @param array $additionalInfo |
| 166 | * |
| 167 | */ |
| 168 | private function setStatus( $stage, $result = 'Poll', $status = null, $additionalInfo = [] ) { |
| 169 | // We're most probably not running in a job. |
| 170 | // @todo maybe throw an exception? |
| 171 | if ( $this->user === null ) { |
| 172 | return; |
| 173 | } |
| 174 | $status ??= Status::newGood(); |
| 175 | $info = [ 'result' => $result, 'stage' => $stage, 'status' => $status ]; |
| 176 | $info += $additionalInfo; |
| 177 | UploadBase::setSessionStatus( |
| 178 | $this->user, |
| 179 | $this->cacheKey, |
| 180 | $info |
| 181 | ); |
| 182 | } |
| 183 | |
| 184 | /** |
| 185 | * Ensure we have the file available. A noop here. |
| 186 | */ |
| 187 | protected function fetchFile(): bool { |
| 188 | $this->setStatus( 'fetching' ); |
| 189 | // make sure the upload file is here. This is a noop in most cases. |
| 190 | $status = $this->getUpload()->fetchFile(); |
| 191 | if ( !$status->isGood() ) { |
| 192 | $this->setStatus( 'fetching', 'Failure', $status ); |
| 193 | $this->setLastError( "Error while fetching the image." ); |
| 194 | return false; |
| 195 | } |
| 196 | $this->setStatus( 'publish' ); |
| 197 | // We really don't care as this is, as mentioned, generally a noop. |
| 198 | // When that's not the case, classes will need to override this method anyways. |
| 199 | return true; |
| 200 | } |
| 201 | |
| 202 | /** |
| 203 | * Verify the upload is ok |
| 204 | */ |
| 205 | private function verifyUpload(): bool { |
| 206 | // Check if the local file checks out (this is generally a no-op) |
| 207 | $verification = $this->getUpload()->verifyUpload(); |
| 208 | if ( $verification['status'] !== UploadBase::OK ) { |
| 209 | $status = Status::newFatal( 'verification-error' ); |
| 210 | $status->value = [ 'verification' => $verification ]; |
| 211 | $this->setStatus( 'publish', 'Failure', $status ); |
| 212 | $this->setLastError( "Could not verify upload." ); |
| 213 | return false; |
| 214 | } |
| 215 | // Verify title permissions for this user |
| 216 | $status = $this->getUpload()->authorizeUpload( $this->user ); |
| 217 | if ( !$status->isGood() ) { |
| 218 | $this->setStatus( 'publish', 'Failure', Status::wrap( $status ) ); |
| 219 | $this->setLastError( "Could not verify title permissions." ); |
| 220 | return false; |
| 221 | } |
| 222 | |
| 223 | // Verify if any upload warnings are present |
| 224 | $ignoreWarnings = $this->params['ignorewarnings'] ?? false; |
| 225 | $isReupload = $this->params['reupload'] ?? false; |
| 226 | if ( $ignoreWarnings ) { |
| 227 | // If we're ignoring warnings, we don't need to check them |
| 228 | return true; |
| 229 | } |
| 230 | $warnings = $this->getUpload()->checkWarnings( $this->user ); |
| 231 | if ( $warnings ) { |
| 232 | // If the file exists and we're reuploading, ignore the warning |
| 233 | // and continue with the upload |
| 234 | if ( count( $warnings ) === 1 && isset( $warnings['exists'] ) && $isReupload ) { |
| 235 | return true; |
| 236 | } |
| 237 | // Make the array serializable |
| 238 | $serializableWarnings = UploadBase::makeWarningsSerializable( $warnings ); |
| 239 | $this->setStatus( 'publish', 'Warning', null, [ 'warnings' => $serializableWarnings ] ); |
| 240 | $this->setLastError( "Upload warnings present." ); |
| 241 | return false; |
| 242 | } |
| 243 | |
| 244 | return true; |
| 245 | } |
| 246 | |
| 247 | /** |
| 248 | * Upload the stashed file to a permanent location |
| 249 | */ |
| 250 | private function performUpload(): bool { |
| 251 | if ( $this->user === null ) { |
| 252 | return false; |
| 253 | } |
| 254 | $status = $this->getUpload()->performUpload( |
| 255 | $this->params['comment'], |
| 256 | $this->params['text'], |
| 257 | $this->params['watch'], |
| 258 | $this->user, |
| 259 | $this->params['tags'] ?? [], |
| 260 | $this->params['watchlistexpiry'] ?? null |
| 261 | ); |
| 262 | if ( !$status->isGood() ) { |
| 263 | $this->setStatus( 'publish', 'Failure', $status ); |
| 264 | $this->setLastError( $status->getWikiText( false, false, 'en' ) ); |
| 265 | return false; |
| 266 | } |
| 267 | return true; |
| 268 | } |
| 269 | |
| 270 | /** |
| 271 | * Set the status at the end or processing |
| 272 | * |
| 273 | */ |
| 274 | private function setStatusDone() { |
| 275 | // Build the image info array while we have the local reference handy |
| 276 | $imageInfo = ApiUpload::getDummyInstance()->getUploadImageInfo( $this->getUpload() ); |
| 277 | |
| 278 | // Cache the info so the user doesn't have to wait forever to get the final info |
| 279 | $this->setStatus( |
| 280 | 'publish', |
| 281 | 'Success', |
| 282 | Status::newGood(), |
| 283 | [ 'filename' => $this->getUpload()->getLocalFile()->getName(), 'imageinfo' => $imageInfo ] |
| 284 | ); |
| 285 | } |
| 286 | |
| 287 | /** |
| 288 | * Getter for the upload. Needs to be implemented by the job class |
| 289 | * |
| 290 | * @return UploadBase |
| 291 | */ |
| 292 | abstract protected function getUpload(): UploadBase; |
| 293 | |
| 294 | /** |
| 295 | * Get the job parameters for logging. Needs to be implemented by the job class. |
| 296 | * |
| 297 | * @param Status[] $status |
| 298 | * @return array |
| 299 | */ |
| 300 | abstract protected function logJobParams( $status ): array; |
| 301 | |
| 302 | /** |
| 303 | * This is actually implemented in the Job class |
| 304 | * |
| 305 | * @param mixed $error |
| 306 | * @return void |
| 307 | */ |
| 308 | abstract protected function setLastError( $error ); |
| 309 | |
| 310 | /** |
| 311 | * This is actually implemented in the Job class |
| 312 | * |
| 313 | * @param callable $callback |
| 314 | * @return void |
| 315 | */ |
| 316 | abstract protected function addTeardownCallback( $callback ); |
| 317 | |
| 318 | } |
| 319 | |
| 320 | /** @deprecated class alias since 1.44 */ |
| 321 | class_alias( UploadJobTrait::class, 'UploadJobTrait' ); |