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| 1 | <?php |
| 2 | |
| 3 | namespace FileImporter\Services; |
| 4 | |
| 5 | use FileImporter\Data\ImportDetails; |
| 6 | use FileImporter\Data\ImportOperations; |
| 7 | use FileImporter\Data\ImportPlan; |
| 8 | use FileImporter\Exceptions\AbuseFilterWarningsException; |
| 9 | use FileImporter\Exceptions\ImportException; |
| 10 | use FileImporter\Exceptions\LocalizedImportException; |
| 11 | use FileImporter\Operations\FileRevisionFromRemoteUrl; |
| 12 | use FileImporter\Operations\TextRevisionFromTextRevision; |
| 13 | use FileImporter\Services\Http\HttpRequestExecutor; |
| 14 | use FileImporter\Services\UploadBase\UploadBaseFactory; |
| 15 | use IApiMessage; |
| 16 | use IDBAccessObject; |
| 17 | use Liuggio\StatsdClient\Factory\StatsdDataFactoryInterface; |
| 18 | use MediaWiki\MediaWikiServices; |
| 19 | use MediaWiki\Page\WikiPageFactory; |
| 20 | use MediaWiki\Permissions\Authority; |
| 21 | use MediaWiki\Permissions\RestrictionStore; |
| 22 | use MediaWiki\Status\Status; |
| 23 | use MediaWiki\Title\Title; |
| 24 | use MediaWiki\User\User; |
| 25 | use MediaWiki\User\UserIdentity; |
| 26 | use MediaWiki\User\UserIdentityLookup; |
| 27 | use NullStatsdDataFactory; |
| 28 | use OldRevisionImporter; |
| 29 | use Psr\Log\LoggerInterface; |
| 30 | use Psr\Log\NullLogger; |
| 31 | use RuntimeException; |
| 32 | use StatusValue; |
| 33 | use UploadRevisionImporter; |
| 34 | use WikiPage; |
| 35 | |
| 36 | /** |
| 37 | * Performs an import of a file to the local wiki based on an ImportPlan object for a given User. |
| 38 | * |
| 39 | * @license GPL-2.0-or-later |
| 40 | * @author Addshore |
| 41 | */ |
| 42 | class Importer { |
| 43 | |
| 44 | private const ERROR_NO_NEW_PAGE = 'noPageCreated'; |
| 45 | |
| 46 | private WikiPageFactory $wikiPageFactory; |
| 47 | private WikiRevisionFactory $wikiRevisionFactory; |
| 48 | private NullRevisionCreator $nullRevisionCreator; |
| 49 | private UserIdentityLookup $userLookup; |
| 50 | private HttpRequestExecutor $httpRequestExecutor; |
| 51 | private UploadBaseFactory $uploadBaseFactory; |
| 52 | private OldRevisionImporter $oldRevisionImporter; |
| 53 | private UploadRevisionImporter $uploadRevisionImporter; |
| 54 | private FileTextRevisionValidator $textRevisionValidator; |
| 55 | private RestrictionStore $restrictionStore; |
| 56 | private LoggerInterface $logger; |
| 57 | private StatsdDataFactoryInterface $stats; |
| 58 | |
| 59 | public function __construct( |
| 60 | WikiPageFactory $wikiPageFactory, |
| 61 | WikiRevisionFactory $wikiRevisionFactory, |
| 62 | NullRevisionCreator $nullRevisionCreator, |
| 63 | UserIdentityLookup $userLookup, |
| 64 | HttpRequestExecutor $httpRequestExecutor, |
| 65 | UploadBaseFactory $uploadBaseFactory, |
| 66 | OldRevisionImporter $oldRevisionImporter, |
| 67 | UploadRevisionImporter $uploadRevisionImporter, |
| 68 | FileTextRevisionValidator $textRevisionValidator, |
| 69 | RestrictionStore $restrictionStore, |
| 70 | LoggerInterface $logger = null, |
| 71 | StatsdDataFactoryInterface $statsdDataFactory = null |
| 72 | ) { |
| 73 | $this->wikiPageFactory = $wikiPageFactory; |
| 74 | $this->wikiRevisionFactory = $wikiRevisionFactory; |
| 75 | $this->nullRevisionCreator = $nullRevisionCreator; |
| 76 | $this->userLookup = $userLookup; |
| 77 | $this->httpRequestExecutor = $httpRequestExecutor; |
| 78 | $this->uploadBaseFactory = $uploadBaseFactory; |
| 79 | $this->oldRevisionImporter = $oldRevisionImporter; |
| 80 | $this->uploadRevisionImporter = $uploadRevisionImporter; |
| 81 | $this->textRevisionValidator = $textRevisionValidator; |
| 82 | $this->restrictionStore = $restrictionStore; |
| 83 | $this->logger = $logger ?? new NullLogger(); |
| 84 | $this->stats = $statsdDataFactory ?? new NullStatsdDataFactory(); |
| 85 | } |
| 86 | |
| 87 | /** |
| 88 | * @param User $user user to use for the import |
| 89 | * @param ImportPlan $importPlan A valid ImportPlan object. |
| 90 | * |
| 91 | * @throws ImportException|RuntimeException |
| 92 | */ |
| 93 | public function import( User $user, ImportPlan $importPlan ) { |
| 94 | $this->wikiRevisionFactory->setInterWikiPrefix( $importPlan->getInterWikiPrefix() ); |
| 95 | |
| 96 | $importStart = microtime( true ); |
| 97 | $this->logger->info( __METHOD__ . ' started' ); |
| 98 | |
| 99 | $validationStatus = $this->validateFileInfoText( |
| 100 | $user, |
| 101 | $importPlan |
| 102 | ); |
| 103 | |
| 104 | // TODO the type of ImportOperation created should be decided somewhere |
| 105 | |
| 106 | $operationBuildingStart = microtime( true ); |
| 107 | $importOperations = $this->buildImportOperations( |
| 108 | $user, |
| 109 | $importPlan->getTitle(), |
| 110 | $importPlan->getDetails() |
| 111 | ); |
| 112 | $this->stats->timing( |
| 113 | 'FileImporter.import.timing.buildOperations', |
| 114 | ( microtime( true ) - $operationBuildingStart ) * 1000 |
| 115 | ); |
| 116 | |
| 117 | $operationPrepareStart = microtime( true ); |
| 118 | $this->prepareImportOperations( $importOperations ); |
| 119 | $this->stats->timing( |
| 120 | 'FileImporter.import.timing.prepareOperations', |
| 121 | ( microtime( true ) - $operationPrepareStart ) * 1000 |
| 122 | ); |
| 123 | |
| 124 | $operationValidateStart = microtime( true ); |
| 125 | $validationStatus->merge( $importOperations->validate() ); |
| 126 | $this->validateImportOperations( $validationStatus, $importPlan ); |
| 127 | $this->stats->timing( |
| 128 | 'FileImporter.import.timing.validateOperations', |
| 129 | ( microtime( true ) - $operationValidateStart ) * 1000 |
| 130 | ); |
| 131 | |
| 132 | $operationCommitStart = microtime( true ); |
| 133 | $this->commitImportOperations( $importOperations ); |
| 134 | $this->stats->timing( |
| 135 | 'FileImporter.import.timing.commitOperations', |
| 136 | ( microtime( true ) - $operationCommitStart ) * 1000 |
| 137 | ); |
| 138 | |
| 139 | // TODO the below should be an ImportOperation |
| 140 | $miscActionsStart = microtime( true ); |
| 141 | $page = $this->getPageFromImportPlan( $importPlan ); |
| 142 | $this->createPostImportNullRevision( $importPlan, $user ); |
| 143 | $this->createPostImportEdit( $importPlan, $page, $user ); |
| 144 | $this->stats->timing( |
| 145 | 'FileImporter.import.timing.miscActions', |
| 146 | ( microtime( true ) - $miscActionsStart ) * 1000 |
| 147 | ); |
| 148 | |
| 149 | // TODO do we need to call WikiImporter::finishImportPage?? |
| 150 | // TODO factor logic in WikiImporter::finishImportPage out so we can call it |
| 151 | |
| 152 | $this->stats->timing( |
| 153 | 'FileImporter.import.timing.wholeImport', |
| 154 | ( microtime( true ) - $importStart ) * 1000 |
| 155 | ); |
| 156 | } |
| 157 | |
| 158 | /** |
| 159 | * @return ImportOperations |
| 160 | */ |
| 161 | private function buildImportOperations( |
| 162 | User $user, |
| 163 | Title $plannedTitle, |
| 164 | ImportDetails $importDetails |
| 165 | ) { |
| 166 | $textRevisions = $importDetails->getTextRevisions()->toArray(); |
| 167 | $fileRevisions = $importDetails->getFileRevisions()->toArray(); |
| 168 | $importOperations = new ImportOperations(); |
| 169 | |
| 170 | /** |
| 171 | * Text revisions should be added first. See T147451. |
| 172 | * This ensures that the page entry is created and if something fails it can thus be deleted. |
| 173 | */ |
| 174 | foreach ( $textRevisions as $textRevision ) { |
| 175 | $importOperations->add( new TextRevisionFromTextRevision( |
| 176 | $plannedTitle, |
| 177 | $user, |
| 178 | $textRevision, |
| 179 | $this->wikiRevisionFactory, |
| 180 | $this->oldRevisionImporter, |
| 181 | $this->textRevisionValidator, |
| 182 | $this->restrictionStore, |
| 183 | $this->logger |
| 184 | ) ); |
| 185 | } |
| 186 | |
| 187 | $totalFileSizes = 0; |
| 188 | $initialTextRevision = $textRevisions[0] ?? null; |
| 189 | |
| 190 | foreach ( $fileRevisions as $fileRevision ) { |
| 191 | $totalFileSizes += $fileRevision->getField( 'size' ); |
| 192 | $this->stats->gauge( |
| 193 | 'FileImporter.import.details.individualFileSizes', |
| 194 | $fileRevision->getField( 'size' ) |
| 195 | ); |
| 196 | $importOperations->add( new FileRevisionFromRemoteUrl( |
| 197 | $plannedTitle, |
| 198 | $user, |
| 199 | $fileRevision, |
| 200 | $initialTextRevision, |
| 201 | $this->userLookup, |
| 202 | $this->httpRequestExecutor, |
| 203 | $this->wikiRevisionFactory, |
| 204 | $this->uploadBaseFactory, |
| 205 | $this->uploadRevisionImporter, |
| 206 | $this->restrictionStore, |
| 207 | $this->logger |
| 208 | ) ); |
| 209 | |
| 210 | // only include the initial text revision in the first upload |
| 211 | $initialTextRevision = null; |
| 212 | } |
| 213 | |
| 214 | $this->stats->gauge( 'FileImporter.import.details.textRevisions', count( $textRevisions ) ); |
| 215 | $this->stats->gauge( 'FileImporter.import.details.fileRevisions', count( $fileRevisions ) ); |
| 216 | $this->stats->gauge( 'FileImporter.import.details.totalFileSizes', $totalFileSizes ); |
| 217 | |
| 218 | return $importOperations; |
| 219 | } |
| 220 | |
| 221 | private function prepareImportOperations( ImportOperations $importOperations ): void { |
| 222 | $status = $importOperations->prepare(); |
| 223 | if ( !$status->isOK() ) { |
| 224 | $this->logger->error( __METHOD__ . ' Failed to prepare operations.', [ |
| 225 | 'status' => $status->__toString(), |
| 226 | ] ); |
| 227 | throw new LocalizedImportException( Status::wrap( $status )->getMessage() ); |
| 228 | } |
| 229 | } |
| 230 | |
| 231 | private function validateImportOperations( StatusValue $status, ImportPlan $importPlan ): void { |
| 232 | if ( !$status->isGood() ) { |
| 233 | /** @var IApiMessage[] $newAbuseFilterWarnings */ |
| 234 | $newAbuseFilterWarnings = []; |
| 235 | |
| 236 | foreach ( $status->getErrors() as [ 'message' => $message, 'params' => $params ] ) { |
| 237 | if ( is_string( $message ) ) { |
| 238 | // Convert to an array compatible with MessageSpecifier |
| 239 | $message = [ $message, ...$params ]; |
| 240 | } |
| 241 | |
| 242 | if ( !( $message instanceof IApiMessage ) ) { |
| 243 | // Unexpected errors bubble up and surface in SpecialImportFile::doImport |
| 244 | throw new LocalizedImportException( $message ); |
| 245 | } |
| 246 | |
| 247 | $data = $message->getApiData()['abusefilter'] ?? null; |
| 248 | if ( !$data || |
| 249 | !in_array( 'warn', $data['actions'] ) || |
| 250 | in_array( 'disallow', $data['actions'] ) |
| 251 | ) { |
| 252 | throw new LocalizedImportException( $message ); |
| 253 | } |
| 254 | |
| 255 | // Skip AbuseFilter warnings we have seen before |
| 256 | if ( !in_array( $data['id'], $importPlan->getValidationWarnings() ) ) { |
| 257 | // @phan-suppress-next-line PhanTypeMismatchArgument |
| 258 | $importPlan->addValidationWarning( $data['id'] ); |
| 259 | $newAbuseFilterWarnings[] = $message; |
| 260 | } |
| 261 | } |
| 262 | |
| 263 | if ( $newAbuseFilterWarnings ) { |
| 264 | throw new AbuseFilterWarningsException( $newAbuseFilterWarnings ); |
| 265 | } |
| 266 | } |
| 267 | } |
| 268 | |
| 269 | private function commitImportOperations( ImportOperations $importOperations ): void { |
| 270 | $status = $importOperations->commit(); |
| 271 | if ( !$status->isOK() ) { |
| 272 | $this->logger->error( __METHOD__ . ' Failed to commit operations.', [ |
| 273 | 'status' => $status->__toString(), |
| 274 | ] ); |
| 275 | throw new LocalizedImportException( Status::wrap( $status )->getMessage() ); |
| 276 | } |
| 277 | } |
| 278 | |
| 279 | /** |
| 280 | * @return StatusValue isOK on success |
| 281 | */ |
| 282 | private function validateFileInfoText( |
| 283 | User $user, |
| 284 | ImportPlan $importPlan |
| 285 | ): StatusValue { |
| 286 | $status = $this->textRevisionValidator->validate( |
| 287 | $importPlan->getTitle(), |
| 288 | $user, |
| 289 | new \WikitextContent( $importPlan->getFileInfoText() ), |
| 290 | $importPlan->getRequest()->getIntendedSummary() ?? '', |
| 291 | false |
| 292 | ); |
| 293 | return $status; |
| 294 | } |
| 295 | |
| 296 | /** |
| 297 | * @return WikiPage |
| 298 | * @throws ImportException |
| 299 | */ |
| 300 | private function getPageFromImportPlan( ImportPlan $importPlan ) { |
| 301 | // T164729: READ_LATEST needed to select for a write |
| 302 | $articleIdForUpdate = $importPlan->getTitle()->getArticleID( IDBAccessObject::READ_LATEST ); |
| 303 | // T181391: Read from primary database, as the page has only just been created, and in multi-DB setups |
| 304 | // replicas will have lag. |
| 305 | $page = $this->wikiPageFactory->newFromId( $articleIdForUpdate, IDBAccessObject::READ_LATEST ); |
| 306 | |
| 307 | if ( !$page ) { |
| 308 | throw new ImportException( |
| 309 | 'Failed to create import edit with page id: ' . $articleIdForUpdate, |
| 310 | self::ERROR_NO_NEW_PAGE ); |
| 311 | } |
| 312 | |
| 313 | return $page; |
| 314 | } |
| 315 | |
| 316 | private function createPostImportNullRevision( |
| 317 | ImportPlan $importPlan, |
| 318 | UserIdentity $user |
| 319 | ): void { |
| 320 | $config = MediaWikiServices::getInstance()->getMainConfig(); |
| 321 | $summary = wfMsgReplaceArgs( |
| 322 | $config->get( 'FileImporterCommentForPostImportRevision' ), |
| 323 | [ $importPlan->getRequest()->getUrl() ] |
| 324 | ); |
| 325 | |
| 326 | try { |
| 327 | $this->nullRevisionCreator->createForLinkTarget( |
| 328 | $importPlan->getTitle(), |
| 329 | $importPlan->getDetails()->getFileRevisions()->getLatest(), |
| 330 | $user, |
| 331 | $summary |
| 332 | ); |
| 333 | } catch ( RuntimeException $ex ) { |
| 334 | $this->logger->error( __METHOD__ . ' Failed to create import revision.' ); |
| 335 | throw $ex; |
| 336 | } |
| 337 | } |
| 338 | |
| 339 | /** |
| 340 | * @param ImportPlan $importPlan |
| 341 | * @param WikiPage $page |
| 342 | * @param Authority $user |
| 343 | */ |
| 344 | private function createPostImportEdit( |
| 345 | ImportPlan $importPlan, |
| 346 | WikiPage $page, |
| 347 | Authority $user |
| 348 | ) { |
| 349 | // TODO: Replace with $page->newPageUpdater( … )->saveRevision( … ) |
| 350 | $editResult = $page->doUserEditContent( |
| 351 | new \WikitextContent( $importPlan->getFileInfoText() ), |
| 352 | $user, |
| 353 | $importPlan->getRequest()->getIntendedSummary(), |
| 354 | EDIT_UPDATE, |
| 355 | false, |
| 356 | [ 'fileimporter' ] |
| 357 | ); |
| 358 | |
| 359 | if ( !$editResult->isOK() ) { |
| 360 | $this->logger->error( __METHOD__ . ' Failed to create user edit.', [ |
| 361 | 'status' => $editResult->__toString(), |
| 362 | ] ); |
| 363 | throw new LocalizedImportException( Status::wrap( $editResult )->getMessage() ); |
| 364 | } |
| 365 | } |
| 366 | |
| 367 | } |