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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 | use MediaWiki\Context\RequestContext; |
| 22 | use MediaWiki\Logger\LoggerFactory; |
| 23 | use MediaWiki\Request\WebRequestUpload; |
| 24 | use MediaWiki\Status\Status; |
| 25 | use Wikimedia\ScopedCallback; |
| 26 | |
| 27 | /** |
| 28 | * Assemble the segments of a chunked upload. |
| 29 | * |
| 30 | * @ingroup Upload |
| 31 | * @ingroup JobQueue |
| 32 | */ |
| 33 | class AssembleUploadChunksJob extends Job implements GenericParameterJob { |
| 34 | public function __construct( array $params ) { |
| 35 | parent::__construct( 'AssembleUploadChunks', $params ); |
| 36 | $this->removeDuplicates = true; |
| 37 | } |
| 38 | |
| 39 | public function run() { |
| 40 | $scope = RequestContext::importScopedSession( $this->params['session'] ); |
| 41 | $this->addTeardownCallback( static function () use ( &$scope ) { |
| 42 | ScopedCallback::consume( $scope ); // T126450 |
| 43 | } ); |
| 44 | |
| 45 | $logger = LoggerFactory::getInstance( 'upload' ); |
| 46 | $context = RequestContext::getMain(); |
| 47 | $user = $context->getUser(); |
| 48 | try { |
| 49 | if ( !$user->isRegistered() ) { |
| 50 | $this->setLastError( "Could not load the author user from session." ); |
| 51 | |
| 52 | return false; |
| 53 | } |
| 54 | |
| 55 | // TODO add some sort of proper locking maybe |
| 56 | $startingStatus = UploadBase::getSessionStatus( $user, $this->params['filekey'] ); |
| 57 | if ( |
| 58 | !$startingStatus || |
| 59 | ( $startingStatus['result'] ?? '' ) !== 'Poll' || |
| 60 | ( $startingStatus['stage'] ?? '' ) !== 'queued' |
| 61 | ) { |
| 62 | $logger->warning( "Tried to assemble upload that is in stage {stage}/{result}", |
| 63 | [ |
| 64 | 'stage' => $startingStatus['stage'] ?? '-', |
| 65 | 'result' => $startingStatus['result'] ?? '-', |
| 66 | 'status' => (string)( $startingStatus['status'] ?? '-' ), |
| 67 | 'filekey' => $this->params['filekey'], |
| 68 | 'filename' => $this->params['filename'], |
| 69 | 'user' => $user->getName(), |
| 70 | ] |
| 71 | ); |
| 72 | // If it is marked as currently in progress, abort. Otherwise |
| 73 | // assume it is some sort of replag issue or maybe a retry even |
| 74 | // though retries are impossible and just warn. |
| 75 | if ( |
| 76 | $startingStatus && |
| 77 | $startingStatus['stage'] === 'assembling' && |
| 78 | $startingStatus['result'] !== 'Failure' |
| 79 | ) { |
| 80 | $this->setLastError( __METHOD__ . " already in progress" ); |
| 81 | return false; |
| 82 | } |
| 83 | } |
| 84 | UploadBase::setSessionStatus( |
| 85 | $user, |
| 86 | $this->params['filekey'], |
| 87 | [ 'result' => 'Poll', 'stage' => 'assembling', 'status' => Status::newGood() ] |
| 88 | ); |
| 89 | |
| 90 | $upload = new UploadFromChunks( $user ); |
| 91 | $upload->continueChunks( |
| 92 | $this->params['filename'], |
| 93 | $this->params['filekey'], |
| 94 | new WebRequestUpload( $context->getRequest(), 'null' ) |
| 95 | ); |
| 96 | if ( |
| 97 | isset( $this->params['filesize'] ) && |
| 98 | $this->params['filesize'] !== (int)$upload->getOffset() |
| 99 | ) { |
| 100 | // Check to make sure we are not executing prior to the API's |
| 101 | // transaction being committed. (T350917) |
| 102 | throw new UnexpectedValueException( |
| 103 | "UploadStash file size does not match job's. Potential mis-nested transaction?" |
| 104 | ); |
| 105 | } |
| 106 | // Combine all of the chunks into a local file and upload that to a new stash file |
| 107 | $status = $upload->concatenateChunks(); |
| 108 | if ( !$status->isGood() ) { |
| 109 | UploadBase::setSessionStatus( |
| 110 | $user, |
| 111 | $this->params['filekey'], |
| 112 | [ 'result' => 'Failure', 'stage' => 'assembling', 'status' => $status ] |
| 113 | ); |
| 114 | $logger->info( "Chunked upload assembly job failed for {filekey} because {status}", |
| 115 | [ |
| 116 | 'filekey' => $this->params['filekey'], |
| 117 | 'filename' => $this->params['filename'], |
| 118 | 'user' => $user->getName(), |
| 119 | 'status' => (string)$status |
| 120 | ] |
| 121 | ); |
| 122 | // the chunks did not get assembled, but this should not be considered a job |
| 123 | // failure - they simply didn't pass verification for some reason, and that |
| 124 | // reason is stored in above session to inform the clients |
| 125 | return true; |
| 126 | } |
| 127 | |
| 128 | // We can only get warnings like 'duplicate' after concatenating the chunks |
| 129 | $status = Status::newGood(); |
| 130 | $status->value = [ |
| 131 | 'warnings' => UploadBase::makeWarningsSerializable( |
| 132 | $upload->checkWarnings( $user ) |
| 133 | ) |
| 134 | ]; |
| 135 | |
| 136 | // We have a new filekey for the fully concatenated file |
| 137 | $newFileKey = $upload->getStashFile()->getFileKey(); |
| 138 | |
| 139 | // Remove the old stash file row and first chunk file |
| 140 | // Note: This does not delete the chunks, only the stash file |
| 141 | // which is same as first chunk but with a different name. |
| 142 | $upload->stash->removeFileNoAuth( $this->params['filekey'] ); |
| 143 | |
| 144 | // Build the image info array while we have the local reference handy |
| 145 | $apiUpload = ApiUpload::getDummyInstance(); |
| 146 | $imageInfo = $apiUpload->getUploadImageInfo( $upload ); |
| 147 | |
| 148 | // Cleanup any temporary local file |
| 149 | $upload->cleanupTempFile(); |
| 150 | |
| 151 | // Cache the info so the user doesn't have to wait forever to get the final info |
| 152 | UploadBase::setSessionStatus( |
| 153 | $user, |
| 154 | $this->params['filekey'], |
| 155 | [ |
| 156 | 'result' => 'Success', |
| 157 | 'stage' => 'assembling', |
| 158 | 'filekey' => $newFileKey, |
| 159 | 'imageinfo' => $imageInfo, |
| 160 | 'status' => $status |
| 161 | ] |
| 162 | ); |
| 163 | $logger->info( "{filekey} successfully assembled into {newkey}", |
| 164 | [ |
| 165 | 'filekey' => $this->params['filekey'], |
| 166 | 'newkey' => $newFileKey, |
| 167 | 'filename' => $this->params['filename'], |
| 168 | 'user' => $user->getName(), |
| 169 | 'status' => (string)$status |
| 170 | ] |
| 171 | ); |
| 172 | } catch ( Exception $e ) { |
| 173 | UploadBase::setSessionStatus( |
| 174 | $user, |
| 175 | $this->params['filekey'], |
| 176 | [ |
| 177 | 'result' => 'Failure', |
| 178 | 'stage' => 'assembling', |
| 179 | 'status' => Status::newFatal( 'api-error-stashfailed' ) |
| 180 | ] |
| 181 | ); |
| 182 | $this->setLastError( get_class( $e ) . ": " . $e->getMessage() ); |
| 183 | // To be extra robust. |
| 184 | MWExceptionHandler::rollbackPrimaryChangesAndLog( $e ); |
| 185 | |
| 186 | return false; |
| 187 | } |
| 188 | |
| 189 | return true; |
| 190 | } |
| 191 | |
| 192 | public function getDeduplicationInfo() { |
| 193 | $info = parent::getDeduplicationInfo(); |
| 194 | if ( is_array( $info['params'] ) ) { |
| 195 | $info['params'] = [ 'filekey' => $info['params']['filekey'] ]; |
| 196 | } |
| 197 | |
| 198 | return $info; |
| 199 | } |
| 200 | |
| 201 | public function allowRetries() { |
| 202 | return false; |
| 203 | } |
| 204 | } |