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| 1 | <?php |
| 2 | |
| 3 | use MediaWiki\MediaWikiServices; |
| 4 | use MediaWiki\User\User; |
| 5 | use Psr\Log\LoggerInterface; |
| 6 | use Wikimedia\FileBackend\FSFile\TempFSFile; |
| 7 | use Wikimedia\Rdbms\IDBAccessObject; |
| 8 | |
| 9 | /** |
| 10 | * @since 1.31 |
| 11 | */ |
| 12 | class ImportableUploadRevisionImporter implements UploadRevisionImporter { |
| 13 | |
| 14 | private bool $enableUploads; |
| 15 | private LoggerInterface $logger; |
| 16 | |
| 17 | private bool $shouldCreateNullRevision = true; |
| 18 | |
| 19 | public function __construct( |
| 20 | $enableUploads, |
| 21 | LoggerInterface $logger |
| 22 | ) { |
| 23 | $this->enableUploads = $enableUploads; |
| 24 | $this->logger = $logger; |
| 25 | } |
| 26 | |
| 27 | /** |
| 28 | * Setting this to false will deactivate the creation of a null revision as part of the upload |
| 29 | * process logging in LocalFile::recordUpload3, see T193621 |
| 30 | * |
| 31 | * @param bool $shouldCreateNullRevision |
| 32 | */ |
| 33 | public function setNullRevisionCreation( $shouldCreateNullRevision ) { |
| 34 | $this->shouldCreateNullRevision = $shouldCreateNullRevision; |
| 35 | } |
| 36 | |
| 37 | /** |
| 38 | * @return StatusValue |
| 39 | */ |
| 40 | private function newNotOkStatus() { |
| 41 | $statusValue = new StatusValue(); |
| 42 | $statusValue->setOK( false ); |
| 43 | return $statusValue; |
| 44 | } |
| 45 | |
| 46 | /** @inheritDoc */ |
| 47 | public function import( ImportableUploadRevision $importableRevision ) { |
| 48 | # Construct a file |
| 49 | $archiveName = $importableRevision->getArchiveName(); |
| 50 | $localRepo = MediaWikiServices::getInstance()->getRepoGroup()->getLocalRepo(); |
| 51 | if ( $archiveName ) { |
| 52 | $this->logger->debug( __METHOD__ . ": Importing archived file as $archiveName" ); |
| 53 | $file = OldLocalFile::newFromArchiveName( $importableRevision->getTitle(), |
| 54 | $localRepo, $archiveName ); |
| 55 | } else { |
| 56 | $file = $localRepo->newFile( $importableRevision->getTitle() ); |
| 57 | $file->load( IDBAccessObject::READ_LATEST ); |
| 58 | $this->logger->debug( __METHOD__ . ': Importing new file as ' . $file->getName() ); |
| 59 | if ( $file->exists() && $file->getTimestamp() > $importableRevision->getTimestamp() ) { |
| 60 | $archiveName = $importableRevision->getTimestamp() . '!' . $file->getName(); |
| 61 | $file = OldLocalFile::newFromArchiveName( $importableRevision->getTitle(), |
| 62 | $localRepo, $archiveName ); |
| 63 | $this->logger->debug( __METHOD__ . ": File already exists; importing as $archiveName" ); |
| 64 | } |
| 65 | } |
| 66 | if ( !$file ) { |
| 67 | $this->logger->debug( __METHOD__ . ': Bad file for ' . $importableRevision->getTitle() ); |
| 68 | return $this->newNotOkStatus(); |
| 69 | } |
| 70 | |
| 71 | # Get the file source or download if necessary |
| 72 | $source = $importableRevision->getFileSrc(); |
| 73 | $autoDeleteSource = $importableRevision->isTempSrc(); |
| 74 | if ( !strlen( $source ) ) { |
| 75 | $source = $this->downloadSource( $importableRevision ); |
| 76 | $autoDeleteSource = true; |
| 77 | } |
| 78 | if ( !strlen( $source ) ) { |
| 79 | $this->logger->debug( __METHOD__ . ": Could not fetch remote file." ); |
| 80 | return $this->newNotOkStatus(); |
| 81 | } |
| 82 | |
| 83 | $tmpFile = new TempFSFile( $source ); |
| 84 | if ( $autoDeleteSource ) { |
| 85 | $tmpFile->autocollect(); |
| 86 | } |
| 87 | |
| 88 | $sha1File = ltrim( sha1_file( $source ), '0' ); |
| 89 | $sha1 = $importableRevision->getSha1(); |
| 90 | if ( $sha1 && ( $sha1 !== $sha1File ) ) { |
| 91 | $this->logger->debug( __METHOD__ . ": Corrupt file $source." ); |
| 92 | return $this->newNotOkStatus(); |
| 93 | } |
| 94 | |
| 95 | $user = $importableRevision->getUserObj() |
| 96 | ?: User::newFromName( $importableRevision->getUser(), false ); |
| 97 | |
| 98 | # Do the actual upload |
| 99 | if ( $file instanceof OldLocalFile ) { |
| 100 | $status = $file->uploadOld( |
| 101 | $source, |
| 102 | $importableRevision->getTimestamp(), |
| 103 | $importableRevision->getComment(), |
| 104 | $user |
| 105 | ); |
| 106 | } else { |
| 107 | $flags = 0; |
| 108 | $status = $file->upload( |
| 109 | $source, |
| 110 | $importableRevision->getComment(), |
| 111 | $importableRevision->getComment(), |
| 112 | $flags, |
| 113 | false, |
| 114 | $importableRevision->getTimestamp(), |
| 115 | $user, |
| 116 | [], |
| 117 | $this->shouldCreateNullRevision |
| 118 | ); |
| 119 | } |
| 120 | |
| 121 | if ( $status->isGood() ) { |
| 122 | $this->logger->debug( __METHOD__ . ": Successful" ); |
| 123 | } else { |
| 124 | $this->logger->debug( __METHOD__ . ': failed: ' . $status->getHTML() ); |
| 125 | } |
| 126 | |
| 127 | return $status; |
| 128 | } |
| 129 | |
| 130 | /** |
| 131 | * @param ImportableUploadRevision $wikiRevision |
| 132 | * |
| 133 | * @return string|false |
| 134 | */ |
| 135 | private function downloadSource( ImportableUploadRevision $wikiRevision ) { |
| 136 | if ( !$this->enableUploads ) { |
| 137 | return false; |
| 138 | } |
| 139 | |
| 140 | $tempo = tempnam( wfTempDir(), 'download' ); |
| 141 | $f = fopen( $tempo, 'wb' ); |
| 142 | if ( !$f ) { |
| 143 | $this->logger->debug( "IMPORT: couldn't write to temp file $tempo" ); |
| 144 | return false; |
| 145 | } |
| 146 | |
| 147 | // @todo FIXME! |
| 148 | $src = $wikiRevision->getSrc(); |
| 149 | $data = MediaWikiServices::getInstance()->getHttpRequestFactory()-> |
| 150 | get( $src, [], __METHOD__ ); |
| 151 | if ( !$data ) { |
| 152 | $this->logger->debug( "IMPORT: couldn't fetch source $src" ); |
| 153 | fclose( $f ); |
| 154 | unlink( $tempo ); |
| 155 | return false; |
| 156 | } |
| 157 | |
| 158 | fwrite( $f, $data ); |
| 159 | fclose( $f ); |
| 160 | |
| 161 | return $tempo; |
| 162 | } |
| 163 | |
| 164 | } |