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| 1 | <?php |
| 2 | /** |
| 3 | * Copyright © 2006 Yuri Astrakhan "<Firstname><Lastname>@gmail.com" |
| 4 | * |
| 5 | * @license GPL-2.0-or-later |
| 6 | * @file |
| 7 | */ |
| 8 | |
| 9 | namespace MediaWiki\Api; |
| 10 | |
| 11 | use MediaWiki\CommentFormatter\CommentFormatter; |
| 12 | use MediaWiki\Content\Content; |
| 13 | use MediaWiki\Content\IContentHandlerFactory; |
| 14 | use MediaWiki\Content\Renderer\ContentRenderer; |
| 15 | use MediaWiki\Content\Transform\ContentTransformer; |
| 16 | use MediaWiki\Content\WikitextContent; |
| 17 | use MediaWiki\Context\DerivativeContext; |
| 18 | use MediaWiki\Logger\LoggerFactory; |
| 19 | use MediaWiki\MainConfigNames; |
| 20 | use MediaWiki\MediaWikiServices; |
| 21 | use MediaWiki\Parser\Parser; |
| 22 | use MediaWiki\Parser\ParserFactory; |
| 23 | use MediaWiki\Parser\ParserOptions; |
| 24 | use MediaWiki\Revision\RevisionAccessException; |
| 25 | use MediaWiki\Revision\RevisionRecord; |
| 26 | use MediaWiki\Revision\RevisionStore; |
| 27 | use MediaWiki\Revision\SlotRecord; |
| 28 | use MediaWiki\Revision\SlotRoleRegistry; |
| 29 | use MediaWiki\Title\Title; |
| 30 | use MediaWiki\User\TempUser\TempUserCreator; |
| 31 | use MediaWiki\User\UserFactory; |
| 32 | use MediaWiki\User\UserIdentity; |
| 33 | use MediaWiki\User\UserNameUtils; |
| 34 | use stdClass; |
| 35 | use Wikimedia\ParamValidator\ParamValidator; |
| 36 | use Wikimedia\ParamValidator\TypeDef\EnumDef; |
| 37 | use Wikimedia\ParamValidator\TypeDef\IntegerDef; |
| 38 | use Wikimedia\Timestamp\TimestampFormat as TS; |
| 39 | |
| 40 | /** |
| 41 | * A base class for functions common to producing a list of revisions. |
| 42 | * |
| 43 | * @stable to extend |
| 44 | * |
| 45 | * @ingroup API |
| 46 | */ |
| 47 | abstract class ApiQueryRevisionsBase extends ApiQueryGeneratorBase { |
| 48 | |
| 49 | // region Constants for internal use. Don't use externally. |
| 50 | /** @name Constants for internal use. Don't use externally. */ |
| 51 | |
| 52 | // Bits to indicate the results of the revdel permission check on a revision, |
| 53 | // see self::checkRevDel() |
| 54 | private const IS_DELETED = 1; // Whether the field is revision-deleted |
| 55 | private const CANNOT_VIEW = 2; // Whether the user cannot view the field due to revdel |
| 56 | |
| 57 | private const LIMIT_PARSE = 1; |
| 58 | |
| 59 | // endregion |
| 60 | |
| 61 | /** @var int|string|null */ |
| 62 | protected $limit; |
| 63 | /** @var int|string|null */ |
| 64 | protected $diffto; |
| 65 | /** @var string|null */ |
| 66 | protected $difftotext; |
| 67 | /** @var bool */ |
| 68 | protected $difftotextpst; |
| 69 | /** @var int|string|null */ |
| 70 | protected $expandTemplates; |
| 71 | /** @var bool */ |
| 72 | protected $generateXML; |
| 73 | /** @var int|string|null */ |
| 74 | protected $section; |
| 75 | /** @var bool */ |
| 76 | protected $parseContent; |
| 77 | /** @var bool */ |
| 78 | protected $fetchContent; |
| 79 | /** @var string */ |
| 80 | protected $contentFormat; |
| 81 | protected bool $setParsedLimit = true; |
| 82 | protected ?array $slotRoles = null; |
| 83 | /** @var string[] */ |
| 84 | protected $slotContentFormats; |
| 85 | /** @var bool */ |
| 86 | protected $needSlots; |
| 87 | |
| 88 | protected bool $fld_ids = false; |
| 89 | protected bool $fld_flags = false; |
| 90 | protected bool $fld_timestamp = false; |
| 91 | protected bool $fld_size = false; |
| 92 | protected bool $fld_slotsize = false; |
| 93 | protected bool $fld_sha1 = false; |
| 94 | protected bool $fld_slotsha1 = false; |
| 95 | protected bool $fld_comment = false; |
| 96 | protected bool $fld_parsedcomment = false; |
| 97 | protected bool $fld_user = false; |
| 98 | protected bool $fld_userid = false; |
| 99 | protected bool $fld_content = false; |
| 100 | protected bool $fld_tags = false; |
| 101 | protected bool $fld_contentmodel = false; |
| 102 | protected bool $fld_roles = false; |
| 103 | protected bool $fld_parsetree = false; |
| 104 | |
| 105 | /** |
| 106 | * The number of uncached diffs that had to be generated for this request. |
| 107 | * @var int |
| 108 | */ |
| 109 | private $numUncachedDiffs = 0; |
| 110 | |
| 111 | private RevisionStore $revisionStore; |
| 112 | private IContentHandlerFactory $contentHandlerFactory; |
| 113 | private ParserFactory $parserFactory; |
| 114 | private SlotRoleRegistry $slotRoleRegistry; |
| 115 | private ContentRenderer $contentRenderer; |
| 116 | private ContentTransformer $contentTransformer; |
| 117 | private CommentFormatter $commentFormatter; |
| 118 | private TempUserCreator $tempUserCreator; |
| 119 | private UserFactory $userFactory; |
| 120 | private UserNameUtils $userNameUtils; |
| 121 | |
| 122 | /** |
| 123 | * @since 1.37 Support injection of services |
| 124 | * @stable to call |
| 125 | */ |
| 126 | public function __construct( |
| 127 | ApiQuery $queryModule, |
| 128 | string $moduleName, |
| 129 | string $paramPrefix = '', |
| 130 | ?RevisionStore $revisionStore = null, |
| 131 | ?IContentHandlerFactory $contentHandlerFactory = null, |
| 132 | ?ParserFactory $parserFactory = null, |
| 133 | ?SlotRoleRegistry $slotRoleRegistry = null, |
| 134 | ?ContentRenderer $contentRenderer = null, |
| 135 | ?ContentTransformer $contentTransformer = null, |
| 136 | ?CommentFormatter $commentFormatter = null, |
| 137 | ?TempUserCreator $tempUserCreator = null, |
| 138 | ?UserFactory $userFactory = null, |
| 139 | ?UserNameUtils $userNameUtils = null |
| 140 | ) { |
| 141 | parent::__construct( $queryModule, $moduleName, $paramPrefix ); |
| 142 | // This class is part of the stable interface and |
| 143 | // therefor fallback to global state, if services are not provided |
| 144 | $services = MediaWikiServices::getInstance(); |
| 145 | $this->revisionStore = $revisionStore ?? $services->getRevisionStore(); |
| 146 | $this->contentHandlerFactory = $contentHandlerFactory ?? $services->getContentHandlerFactory(); |
| 147 | $this->parserFactory = $parserFactory ?? $services->getParserFactory(); |
| 148 | $this->slotRoleRegistry = $slotRoleRegistry ?? $services->getSlotRoleRegistry(); |
| 149 | $this->contentRenderer = $contentRenderer ?? $services->getContentRenderer(); |
| 150 | $this->contentTransformer = $contentTransformer ?? $services->getContentTransformer(); |
| 151 | $this->commentFormatter = $commentFormatter ?? $services->getCommentFormatter(); |
| 152 | $this->tempUserCreator = $tempUserCreator ?? $services->getTempUserCreator(); |
| 153 | $this->userFactory = $userFactory ?? $services->getUserFactory(); |
| 154 | $this->userNameUtils = $userNameUtils ?? $services->getUserNameUtils(); |
| 155 | } |
| 156 | |
| 157 | public function execute() { |
| 158 | $this->run(); |
| 159 | } |
| 160 | |
| 161 | /** @inheritDoc */ |
| 162 | public function executeGenerator( $resultPageSet ) { |
| 163 | $this->run( $resultPageSet ); |
| 164 | } |
| 165 | |
| 166 | /** |
| 167 | * @param ApiPageSet|null $resultPageSet |
| 168 | * @return void |
| 169 | */ |
| 170 | abstract protected function run( ?ApiPageSet $resultPageSet = null ); |
| 171 | |
| 172 | /** |
| 173 | * Parse the parameters into the various instance fields. |
| 174 | * |
| 175 | * @param array $params |
| 176 | */ |
| 177 | protected function parseParameters( $params ) { |
| 178 | $prop = array_fill_keys( $params['prop'], true ); |
| 179 | |
| 180 | $this->fld_ids = isset( $prop['ids'] ); |
| 181 | $this->fld_flags = isset( $prop['flags'] ); |
| 182 | $this->fld_timestamp = isset( $prop['timestamp'] ); |
| 183 | $this->fld_comment = isset( $prop['comment'] ); |
| 184 | $this->fld_parsedcomment = isset( $prop['parsedcomment'] ); |
| 185 | $this->fld_size = isset( $prop['size'] ); |
| 186 | $this->fld_slotsize = isset( $prop['slotsize'] ); |
| 187 | $this->fld_sha1 = isset( $prop['sha1'] ); |
| 188 | $this->fld_slotsha1 = isset( $prop['slotsha1'] ); |
| 189 | $this->fld_content = isset( $prop['content'] ); |
| 190 | $this->fld_contentmodel = isset( $prop['contentmodel'] ); |
| 191 | $this->fld_userid = isset( $prop['userid'] ); |
| 192 | $this->fld_user = isset( $prop['user'] ); |
| 193 | $this->fld_tags = isset( $prop['tags'] ); |
| 194 | $this->fld_roles = isset( $prop['roles'] ); |
| 195 | $this->fld_parsetree = isset( $prop['parsetree'] ); |
| 196 | |
| 197 | $this->slotRoles = $params['slots']; |
| 198 | |
| 199 | if ( $this->slotRoles !== null ) { |
| 200 | if ( $this->fld_parsetree ) { |
| 201 | $this->dieWithError( [ |
| 202 | 'apierror-invalidparammix-cannotusewith', |
| 203 | $this->encodeParamName( 'prop=parsetree' ), |
| 204 | $this->encodeParamName( 'slots' ), |
| 205 | ], 'invalidparammix' ); |
| 206 | } |
| 207 | foreach ( [ |
| 208 | 'expandtemplates', 'generatexml', 'parse', 'diffto', 'difftotext', 'difftotextpst', |
| 209 | 'contentformat' |
| 210 | ] as $p ) { |
| 211 | if ( $params[$p] !== null && $params[$p] !== false ) { |
| 212 | $this->dieWithError( [ |
| 213 | 'apierror-invalidparammix-cannotusewith', |
| 214 | $this->encodeParamName( $p ), |
| 215 | $this->encodeParamName( 'slots' ), |
| 216 | ], 'invalidparammix' ); |
| 217 | } |
| 218 | } |
| 219 | $this->slotContentFormats = []; |
| 220 | foreach ( $this->slotRoles as $slotRole ) { |
| 221 | if ( isset( $params['contentformat-' . $slotRole] ) ) { |
| 222 | $this->slotContentFormats[$slotRole] = $params['contentformat-' . $slotRole]; |
| 223 | } |
| 224 | } |
| 225 | } |
| 226 | |
| 227 | if ( !empty( $params['contentformat'] ) ) { |
| 228 | $this->contentFormat = $params['contentformat']; |
| 229 | } |
| 230 | |
| 231 | $this->limit = $params['limit']; |
| 232 | |
| 233 | if ( $params['difftotext'] !== null ) { |
| 234 | $this->difftotext = $params['difftotext']; |
| 235 | $this->difftotextpst = $params['difftotextpst']; |
| 236 | } elseif ( $params['diffto'] !== null ) { |
| 237 | if ( $params['diffto'] == 'cur' ) { |
| 238 | $params['diffto'] = 0; |
| 239 | } |
| 240 | if ( ( !ctype_digit( (string)$params['diffto'] ) || $params['diffto'] < 0 ) |
| 241 | && $params['diffto'] != 'prev' && $params['diffto'] != 'next' |
| 242 | ) { |
| 243 | $p = $this->getModulePrefix(); |
| 244 | $this->dieWithError( [ 'apierror-baddiffto', $p ], 'diffto' ); |
| 245 | } |
| 246 | // Check whether the revision exists and is readable, |
| 247 | // DifferenceEngine returns a rather ambiguous empty |
| 248 | // string if that's not the case |
| 249 | if ( is_numeric( $params['diffto'] ) && $params['diffto'] != 0 ) { |
| 250 | $difftoRev = $this->revisionStore->getRevisionById( $params['diffto'] ); |
| 251 | if ( !$difftoRev ) { |
| 252 | $this->dieWithError( [ 'apierror-nosuchrevid', $params['diffto'] ] ); |
| 253 | } |
| 254 | $revDel = $this->checkRevDel( $difftoRev, RevisionRecord::DELETED_TEXT ); |
| 255 | if ( $revDel & self::CANNOT_VIEW ) { |
| 256 | $this->addWarning( [ 'apiwarn-difftohidden', $difftoRev->getId() ] ); |
| 257 | $params['diffto'] = null; |
| 258 | } |
| 259 | } |
| 260 | $this->diffto = $params['diffto']; |
| 261 | } |
| 262 | |
| 263 | $this->fetchContent = $this->fld_content || $this->diffto !== null |
| 264 | || $this->difftotext !== null || $this->fld_parsetree; |
| 265 | |
| 266 | $smallLimit = false; |
| 267 | if ( $this->fetchContent ) { |
| 268 | $smallLimit = true; |
| 269 | $this->expandTemplates = $params['expandtemplates']; |
| 270 | $this->generateXML = $params['generatexml']; |
| 271 | $this->parseContent = $params['parse']; |
| 272 | if ( $this->parseContent ) { |
| 273 | // Must manually initialize unset limit |
| 274 | $this->limit ??= self::LIMIT_PARSE; |
| 275 | } |
| 276 | $this->section = $params['section'] ?? false; |
| 277 | } |
| 278 | |
| 279 | $userMax = $this->parseContent ? self::LIMIT_PARSE : |
| 280 | ( $smallLimit ? ApiBase::LIMIT_SML1 : ApiBase::LIMIT_BIG1 ); |
| 281 | $botMax = $this->parseContent ? self::LIMIT_PARSE : |
| 282 | ( $smallLimit ? ApiBase::LIMIT_SML2 : ApiBase::LIMIT_BIG2 ); |
| 283 | if ( $this->limit == 'max' ) { |
| 284 | $this->limit = $this->getMain()->canApiHighLimits() ? $botMax : $userMax; |
| 285 | if ( $this->setParsedLimit ) { |
| 286 | $this->getResult()->addParsedLimit( $this->getModuleName(), $this->limit ); |
| 287 | } |
| 288 | } |
| 289 | |
| 290 | $this->limit = $this->getMain()->getParamValidator()->validateValue( |
| 291 | $this, 'limit', $this->limit ?? 10, [ |
| 292 | ParamValidator::PARAM_TYPE => 'limit', |
| 293 | IntegerDef::PARAM_MIN => 1, |
| 294 | IntegerDef::PARAM_MAX => $userMax, |
| 295 | IntegerDef::PARAM_MAX2 => $botMax, |
| 296 | IntegerDef::PARAM_IGNORE_RANGE => true, |
| 297 | ] |
| 298 | ); |
| 299 | |
| 300 | $this->needSlots = $this->fetchContent || $this->fld_contentmodel || |
| 301 | $this->fld_slotsize || $this->fld_slotsha1; |
| 302 | } |
| 303 | |
| 304 | /** |
| 305 | * Test revision deletion status |
| 306 | * @param RevisionRecord $revision Revision to check |
| 307 | * @param int $field One of the RevisionRecord::DELETED_* constants |
| 308 | * @return int Revision deletion status flags. Bitwise OR of |
| 309 | * self::IS_DELETED and self::CANNOT_VIEW, as appropriate. |
| 310 | */ |
| 311 | private function checkRevDel( RevisionRecord $revision, $field ) { |
| 312 | $ret = $revision->isDeleted( $field ) ? self::IS_DELETED : 0; |
| 313 | if ( $ret ) { |
| 314 | $canSee = $revision->userCan( $field, $this->getAuthority() ); |
| 315 | $ret |= ( $canSee ? 0 : self::CANNOT_VIEW ); |
| 316 | } |
| 317 | return $ret; |
| 318 | } |
| 319 | |
| 320 | /** |
| 321 | * Extract information from the RevisionRecord |
| 322 | * |
| 323 | * @since 1.32, takes a RevisionRecord instead of a Revision |
| 324 | * @param RevisionRecord $revision |
| 325 | * @param stdClass $row Should have a field 'ts_tags' if $this->fld_tags is set |
| 326 | * @return array |
| 327 | */ |
| 328 | protected function extractRevisionInfo( RevisionRecord $revision, $row ) { |
| 329 | $vals = []; |
| 330 | $anyHidden = false; |
| 331 | |
| 332 | if ( $this->fld_ids ) { |
| 333 | $vals['revid'] = (int)$revision->getId(); |
| 334 | if ( $revision->getParentId() !== null ) { |
| 335 | $vals['parentid'] = (int)$revision->getParentId(); |
| 336 | } |
| 337 | } |
| 338 | |
| 339 | if ( $this->fld_flags ) { |
| 340 | $vals['minor'] = $revision->isMinor(); |
| 341 | } |
| 342 | |
| 343 | if ( $this->fld_user || $this->fld_userid ) { |
| 344 | $revDel = $this->checkRevDel( $revision, RevisionRecord::DELETED_USER ); |
| 345 | if ( $revDel & self::IS_DELETED ) { |
| 346 | $vals['userhidden'] = true; |
| 347 | $anyHidden = true; |
| 348 | } |
| 349 | if ( !( $revDel & self::CANNOT_VIEW ) ) { |
| 350 | $u = $revision->getUser( RevisionRecord::RAW ); |
| 351 | if ( $this->fld_user ) { |
| 352 | $vals['user'] = $u->getName(); |
| 353 | } |
| 354 | if ( $this->userNameUtils->isTemp( $u->getName() ) ) { |
| 355 | $vals['temp'] = true; |
| 356 | } |
| 357 | if ( !$u->isRegistered() ) { |
| 358 | $vals['anon'] = true; |
| 359 | } |
| 360 | |
| 361 | if ( $this->fld_userid ) { |
| 362 | $vals['userid'] = $u->getId(); |
| 363 | } |
| 364 | } |
| 365 | } |
| 366 | |
| 367 | if ( $this->fld_timestamp ) { |
| 368 | $vals['timestamp'] = wfTimestamp( TS::ISO_8601, $revision->getTimestamp() ); |
| 369 | } |
| 370 | |
| 371 | if ( $this->fld_size ) { |
| 372 | try { |
| 373 | $vals['size'] = (int)$revision->getSize(); |
| 374 | } catch ( RevisionAccessException ) { |
| 375 | // Back compat: If there's no size, return 0. |
| 376 | // @todo: Gergő says to mention T198099 as a "todo" here. |
| 377 | $vals['size'] = 0; |
| 378 | } |
| 379 | } |
| 380 | |
| 381 | if ( $this->fld_sha1 ) { |
| 382 | $revDel = $this->checkRevDel( $revision, RevisionRecord::DELETED_TEXT ); |
| 383 | if ( $revDel & self::IS_DELETED ) { |
| 384 | $vals['sha1hidden'] = true; |
| 385 | $anyHidden = true; |
| 386 | } |
| 387 | if ( !( $revDel & self::CANNOT_VIEW ) ) { |
| 388 | try { |
| 389 | $vals['sha1'] = \Wikimedia\base_convert( $revision->getSha1(), 36, 16, 40 ); |
| 390 | } catch ( RevisionAccessException ) { |
| 391 | // Back compat: If there's no sha1, return empty string. |
| 392 | // @todo: Gergő says to mention T198099 as a "todo" here. |
| 393 | $vals['sha1'] = ''; |
| 394 | } |
| 395 | } |
| 396 | } |
| 397 | |
| 398 | try { |
| 399 | if ( $this->fld_roles ) { |
| 400 | $vals['roles'] = $revision->getSlotRoles(); |
| 401 | } |
| 402 | |
| 403 | if ( $this->needSlots ) { |
| 404 | $revDel = $this->checkRevDel( $revision, RevisionRecord::DELETED_TEXT ); |
| 405 | if ( ( $this->fld_slotsha1 || $this->fetchContent ) && ( $revDel & self::IS_DELETED ) ) { |
| 406 | $anyHidden = true; |
| 407 | } |
| 408 | $vals = array_merge( $vals, $this->extractAllSlotInfo( $revision, $revDel ) ); |
| 409 | } |
| 410 | } catch ( RevisionAccessException $ex ) { |
| 411 | // This is here so T212428 doesn't spam the log. |
| 412 | // TODO: find out why T212428 happens in the first place! |
| 413 | $vals['slotsmissing'] = true; |
| 414 | |
| 415 | LoggerFactory::getInstance( 'api-warning' )->error( |
| 416 | 'Failed to access revision slots', |
| 417 | [ 'revision' => $revision->getId(), 'exception' => $ex, ] |
| 418 | ); |
| 419 | } |
| 420 | |
| 421 | if ( $this->fld_comment || $this->fld_parsedcomment ) { |
| 422 | $revDel = $this->checkRevDel( $revision, RevisionRecord::DELETED_COMMENT ); |
| 423 | if ( $revDel & self::IS_DELETED ) { |
| 424 | $vals['commenthidden'] = true; |
| 425 | $anyHidden = true; |
| 426 | } |
| 427 | if ( !( $revDel & self::CANNOT_VIEW ) ) { |
| 428 | $comment = $revision->getComment( RevisionRecord::RAW ); |
| 429 | $comment = $comment->text ?? ''; |
| 430 | |
| 431 | if ( $this->fld_comment ) { |
| 432 | $vals['comment'] = $comment; |
| 433 | } |
| 434 | |
| 435 | if ( $this->fld_parsedcomment ) { |
| 436 | $vals['parsedcomment'] = $this->commentFormatter->format( |
| 437 | $comment, $revision->getPageAsLinkTarget() |
| 438 | ); |
| 439 | } |
| 440 | } |
| 441 | } |
| 442 | |
| 443 | if ( $this->fld_tags ) { |
| 444 | if ( $row->ts_tags ) { |
| 445 | $tags = explode( ',', $row->ts_tags ); |
| 446 | ApiResult::setIndexedTagName( $tags, 'tag' ); |
| 447 | $vals['tags'] = $tags; |
| 448 | } else { |
| 449 | $vals['tags'] = []; |
| 450 | } |
| 451 | } |
| 452 | |
| 453 | if ( $anyHidden && $revision->isDeleted( RevisionRecord::DELETED_RESTRICTED ) ) { |
| 454 | $vals['suppressed'] = true; |
| 455 | } |
| 456 | |
| 457 | return $vals; |
| 458 | } |
| 459 | |
| 460 | /** |
| 461 | * Extracts information about all relevant slots. |
| 462 | * |
| 463 | * @param RevisionRecord $revision |
| 464 | * @param int $revDel |
| 465 | * |
| 466 | * @return array |
| 467 | * @throws ApiUsageException |
| 468 | */ |
| 469 | private function extractAllSlotInfo( RevisionRecord $revision, $revDel ): array { |
| 470 | $vals = []; |
| 471 | |
| 472 | if ( $this->slotRoles === null ) { |
| 473 | try { |
| 474 | $slot = $revision->getSlot( SlotRecord::MAIN, RevisionRecord::RAW ); |
| 475 | } catch ( RevisionAccessException ) { |
| 476 | // Back compat: If there's no slot, there's no content, so set 'textmissing' |
| 477 | // @todo: Gergő says to mention T198099 as a "todo" here. |
| 478 | $vals['textmissing'] = true; |
| 479 | $slot = null; |
| 480 | } |
| 481 | |
| 482 | if ( $slot ) { |
| 483 | $content = null; |
| 484 | $vals += $this->extractSlotInfo( $slot, $revDel, $content ); |
| 485 | if ( !empty( $vals['nosuchsection'] ) ) { |
| 486 | $this->dieWithError( |
| 487 | [ |
| 488 | 'apierror-nosuchsection-what', |
| 489 | wfEscapeWikiText( $this->section ), |
| 490 | $this->msg( 'revid', $revision->getId() ) |
| 491 | ], |
| 492 | 'nosuchsection' |
| 493 | ); |
| 494 | } |
| 495 | if ( $content ) { |
| 496 | $vals += $this->extractDeprecatedContent( $content, $revision ); |
| 497 | } |
| 498 | } |
| 499 | } else { |
| 500 | $roles = array_intersect( $this->slotRoles, $revision->getSlotRoles() ); |
| 501 | $vals['slots'] = [ |
| 502 | ApiResult::META_KVP_MERGE => true, |
| 503 | ]; |
| 504 | foreach ( $roles as $role ) { |
| 505 | try { |
| 506 | $slot = $revision->getSlot( $role, RevisionRecord::RAW ); |
| 507 | } catch ( RevisionAccessException ) { |
| 508 | // Don't error out here so the client can still process other slots/revisions. |
| 509 | // @todo: Gergő says to mention T198099 as a "todo" here. |
| 510 | $vals['slots'][$role]['missing'] = true; |
| 511 | continue; |
| 512 | } |
| 513 | $content = null; |
| 514 | $vals['slots'][$role] = $this->extractSlotInfo( $slot, $revDel, $content ); |
| 515 | // @todo Move this into extractSlotInfo() (and remove its $content parameter) |
| 516 | // when extractDeprecatedContent() is no more. |
| 517 | if ( $content && $this->getAuthority()->authorizeRead( 'read', $revision->getPage() ) ) { |
| 518 | /** @var Content $content */ |
| 519 | $model = $content->getModel(); |
| 520 | $format = $this->slotContentFormats[$role] ?? $content->getDefaultFormat(); |
| 521 | if ( !$content->isSupportedFormat( $format ) ) { |
| 522 | $this->addWarning( [ |
| 523 | 'apierror-badformat', |
| 524 | $format, |
| 525 | $model, |
| 526 | $this->msg( 'revid', $revision->getId() ) |
| 527 | ] ); |
| 528 | $vals['slots'][$role]['badcontentformat'] = true; |
| 529 | } else { |
| 530 | $vals['slots'][$role]['contentmodel'] = $model; |
| 531 | $vals['slots'][$role]['contentformat'] = $format; |
| 532 | ApiResult::setContentValue( |
| 533 | $vals['slots'][$role], |
| 534 | 'content', |
| 535 | $content->serialize( $format ) |
| 536 | ); |
| 537 | } |
| 538 | } |
| 539 | } |
| 540 | ApiResult::setArrayType( $vals['slots'], 'kvp', 'role' ); |
| 541 | ApiResult::setIndexedTagName( $vals['slots'], 'slot' ); |
| 542 | } |
| 543 | return $vals; |
| 544 | } |
| 545 | |
| 546 | /** |
| 547 | * Extract information from the SlotRecord |
| 548 | * |
| 549 | * @param SlotRecord $slot |
| 550 | * @param int $revDel Revdel status flags, from self::checkRevDel() |
| 551 | * @param Content|null &$content Set to the slot's content, if available |
| 552 | * and $this->fetchContent is true |
| 553 | * @return array |
| 554 | */ |
| 555 | private function extractSlotInfo( SlotRecord $slot, $revDel, &$content = null ) { |
| 556 | $vals = []; |
| 557 | ApiResult::setArrayType( $vals, 'assoc' ); |
| 558 | |
| 559 | if ( $this->fld_slotsize ) { |
| 560 | $vals['size'] = (int)$slot->getSize(); |
| 561 | } |
| 562 | |
| 563 | if ( $this->fld_slotsha1 ) { |
| 564 | if ( $revDel & self::IS_DELETED ) { |
| 565 | $vals['sha1hidden'] = true; |
| 566 | } |
| 567 | if ( !( $revDel & self::CANNOT_VIEW ) ) { |
| 568 | if ( $slot->getSha1() != '' ) { |
| 569 | $vals['sha1'] = \Wikimedia\base_convert( $slot->getSha1(), 36, 16, 40 ); |
| 570 | } else { |
| 571 | $vals['sha1'] = ''; |
| 572 | } |
| 573 | } |
| 574 | } |
| 575 | |
| 576 | if ( $this->fld_contentmodel ) { |
| 577 | $vals['contentmodel'] = $slot->getModel(); |
| 578 | } |
| 579 | |
| 580 | $content = null; |
| 581 | if ( $this->fetchContent ) { |
| 582 | if ( $revDel & self::IS_DELETED ) { |
| 583 | $vals['texthidden'] = true; |
| 584 | } |
| 585 | if ( !( $revDel & self::CANNOT_VIEW ) ) { |
| 586 | try { |
| 587 | $content = $slot->getContent(); |
| 588 | } catch ( RevisionAccessException ) { |
| 589 | // @todo: Gergő says to mention T198099 as a "todo" here. |
| 590 | $vals['textmissing'] = true; |
| 591 | } |
| 592 | // Expand templates after getting section content because |
| 593 | // template-added sections don't count and Parser::preprocess() |
| 594 | // will have less input |
| 595 | if ( $content && $this->section !== false ) { |
| 596 | $content = $content->getSection( $this->section ); |
| 597 | if ( !$content ) { |
| 598 | $vals['nosuchsection'] = true; |
| 599 | } |
| 600 | } |
| 601 | } |
| 602 | } |
| 603 | |
| 604 | return $vals; |
| 605 | } |
| 606 | |
| 607 | /** |
| 608 | * Format a Content using deprecated options |
| 609 | * @param Content $content Content to format |
| 610 | * @param RevisionRecord $revision Revision being processed |
| 611 | * @return array |
| 612 | */ |
| 613 | private function extractDeprecatedContent( Content $content, RevisionRecord $revision ) { |
| 614 | $vals = []; |
| 615 | $title = Title::newFromPageIdentity( $revision->getPage() ); |
| 616 | |
| 617 | if ( !$this->getAuthority()->authorizeRead( 'read', $title ) ) { |
| 618 | return []; |
| 619 | } |
| 620 | |
| 621 | if ( $this->fld_parsetree || ( $this->fld_content && $this->generateXML ) ) { |
| 622 | if ( $content->getModel() === CONTENT_MODEL_WIKITEXT ) { |
| 623 | /** @var WikitextContent $content */ |
| 624 | '@phan-var WikitextContent $content'; |
| 625 | $t = $content->getText(); # note: don't set $text |
| 626 | |
| 627 | $parser = $this->parserFactory->create(); |
| 628 | $parser->startExternalParse( |
| 629 | $title, |
| 630 | ParserOptions::newFromContext( $this->getContext() ), |
| 631 | Parser::OT_PREPROCESS |
| 632 | ); |
| 633 | $dom = $parser->preprocessToDom( $t ); |
| 634 | if ( is_callable( [ $dom, 'saveXML' ] ) ) { |
| 635 | // @phan-suppress-next-line PhanUndeclaredMethod |
| 636 | $xml = $dom->saveXML(); |
| 637 | } else { |
| 638 | // @phan-suppress-next-line PhanUndeclaredMethod |
| 639 | $xml = $dom->__toString(); |
| 640 | } |
| 641 | $vals['parsetree'] = $xml; |
| 642 | } else { |
| 643 | $vals['badcontentformatforparsetree'] = true; |
| 644 | $this->addWarning( |
| 645 | [ |
| 646 | 'apierror-parsetree-notwikitext-title', |
| 647 | wfEscapeWikiText( $title->getPrefixedText() ), |
| 648 | $content->getModel() |
| 649 | ], |
| 650 | 'parsetree-notwikitext' |
| 651 | ); |
| 652 | } |
| 653 | } |
| 654 | |
| 655 | if ( $this->fld_content ) { |
| 656 | $text = null; |
| 657 | |
| 658 | if ( $this->expandTemplates && !$this->parseContent ) { |
| 659 | if ( $content->getModel() === CONTENT_MODEL_WIKITEXT ) { |
| 660 | /** @var WikitextContent $content */ |
| 661 | '@phan-var WikitextContent $content'; |
| 662 | $text = $content->getText(); |
| 663 | |
| 664 | $text = $this->parserFactory->create()->preprocess( |
| 665 | $text, |
| 666 | $title, |
| 667 | ParserOptions::newFromContext( $this->getContext() ) |
| 668 | ); |
| 669 | } else { |
| 670 | $this->addWarning( [ |
| 671 | 'apierror-templateexpansion-notwikitext', |
| 672 | wfEscapeWikiText( $title->getPrefixedText() ), |
| 673 | $content->getModel() |
| 674 | ] ); |
| 675 | $vals['badcontentformat'] = true; |
| 676 | $text = false; |
| 677 | } |
| 678 | } |
| 679 | if ( $this->parseContent ) { |
| 680 | $popts = ParserOptions::newFromContext( $this->getContext() ); |
| 681 | $po = $this->contentRenderer->getParserOutput( |
| 682 | $content, |
| 683 | $title, |
| 684 | $revision, |
| 685 | $popts |
| 686 | ); |
| 687 | // TODO T371004 move runOutputPipeline out of $parserOutput |
| 688 | $text = $po->runOutputPipeline( $popts, [] )->getContentHolderText(); |
| 689 | } |
| 690 | |
| 691 | if ( $text === null ) { |
| 692 | $format = $this->contentFormat ?: $content->getDefaultFormat(); |
| 693 | $model = $content->getModel(); |
| 694 | |
| 695 | if ( !$content->isSupportedFormat( $format ) ) { |
| 696 | $name = wfEscapeWikiText( $title->getPrefixedText() ); |
| 697 | $this->addWarning( [ 'apierror-badformat', $this->contentFormat, $model, $name ] ); |
| 698 | $vals['badcontentformat'] = true; |
| 699 | $text = false; |
| 700 | } else { |
| 701 | $text = $content->serialize( $format ); |
| 702 | // always include format and model. |
| 703 | // Format is needed to deserialize, model is needed to interpret. |
| 704 | $vals['contentformat'] = $format; |
| 705 | $vals['contentmodel'] = $model; |
| 706 | } |
| 707 | } |
| 708 | |
| 709 | if ( $text !== false ) { |
| 710 | ApiResult::setContentValue( $vals, 'content', $text ); |
| 711 | } |
| 712 | } |
| 713 | |
| 714 | if ( $content && ( $this->diffto !== null || $this->difftotext !== null ) ) { |
| 715 | if ( $this->numUncachedDiffs < $this->getConfig()->get( MainConfigNames::APIMaxUncachedDiffs ) ) { |
| 716 | $vals['diff'] = []; |
| 717 | $context = new DerivativeContext( $this->getContext() ); |
| 718 | $context->setTitle( $title ); |
| 719 | $handler = $content->getContentHandler(); |
| 720 | |
| 721 | if ( $this->difftotext !== null ) { |
| 722 | $model = $title->getContentModel(); |
| 723 | |
| 724 | if ( $this->contentFormat |
| 725 | && !$this->contentHandlerFactory->getContentHandler( $model ) |
| 726 | ->isSupportedFormat( $this->contentFormat ) |
| 727 | ) { |
| 728 | $name = wfEscapeWikiText( $title->getPrefixedText() ); |
| 729 | $this->addWarning( [ 'apierror-badformat', $this->contentFormat, $model, $name ] ); |
| 730 | $vals['diff']['badcontentformat'] = true; |
| 731 | $engine = null; |
| 732 | } else { |
| 733 | $difftocontent = $this->contentHandlerFactory->getContentHandler( $model ) |
| 734 | ->unserializeContent( $this->difftotext, $this->contentFormat ); |
| 735 | |
| 736 | if ( $this->difftotextpst ) { |
| 737 | $popts = ParserOptions::newFromContext( $this->getContext() ); |
| 738 | $difftocontent = $this->contentTransformer->preSaveTransform( |
| 739 | $difftocontent, |
| 740 | $title, |
| 741 | $this->getUserForPreview(), |
| 742 | $popts |
| 743 | ); |
| 744 | } |
| 745 | |
| 746 | $engine = $handler->createDifferenceEngine( $context ); |
| 747 | $engine->setContent( $content, $difftocontent ); |
| 748 | } |
| 749 | } else { |
| 750 | $engine = $handler->createDifferenceEngine( $context, $revision->getId(), $this->diffto ); |
| 751 | $vals['diff']['from'] = $engine->getOldid(); |
| 752 | $vals['diff']['to'] = $engine->getNewid(); |
| 753 | } |
| 754 | if ( $engine ) { |
| 755 | $difftext = $engine->getDiffBody(); |
| 756 | ApiResult::setContentValue( $vals['diff'], 'body', $difftext ); |
| 757 | if ( !$engine->wasCacheHit() ) { |
| 758 | $this->numUncachedDiffs++; |
| 759 | } |
| 760 | foreach ( $engine->getRevisionLoadErrors() as $msg ) { |
| 761 | $this->addWarning( $msg ); |
| 762 | } |
| 763 | } |
| 764 | } else { |
| 765 | $vals['diff']['notcached'] = true; |
| 766 | } |
| 767 | } |
| 768 | |
| 769 | return $vals; |
| 770 | } |
| 771 | |
| 772 | private function getUserForPreview(): UserIdentity { |
| 773 | $user = $this->getUser(); |
| 774 | if ( $this->tempUserCreator->shouldAutoCreate( $user, 'edit' ) ) { |
| 775 | return $this->userFactory->newUnsavedTempUser( |
| 776 | $this->tempUserCreator->getStashedName( $this->getRequest()->getSession() ) |
| 777 | ); |
| 778 | } |
| 779 | return $user; |
| 780 | } |
| 781 | |
| 782 | /** |
| 783 | * @stable to override |
| 784 | * @param array $params |
| 785 | * |
| 786 | * @return string |
| 787 | */ |
| 788 | public function getCacheMode( $params ) { |
| 789 | if ( $this->userCanSeeRevDel() ) { |
| 790 | return 'private'; |
| 791 | } |
| 792 | |
| 793 | return 'public'; |
| 794 | } |
| 795 | |
| 796 | /** |
| 797 | * @stable to override |
| 798 | * @return array |
| 799 | */ |
| 800 | public function getAllowedParams() { |
| 801 | $slotRoles = $this->slotRoleRegistry->getKnownRoles(); |
| 802 | sort( $slotRoles, SORT_STRING ); |
| 803 | $smallLimit = $this->getMain()->canApiHighLimits() ? ApiBase::LIMIT_SML2 : ApiBase::LIMIT_SML1; |
| 804 | |
| 805 | return [ |
| 806 | 'prop' => [ |
| 807 | ParamValidator::PARAM_ISMULTI => true, |
| 808 | ParamValidator::PARAM_DEFAULT => 'ids|timestamp|flags|comment|user', |
| 809 | ParamValidator::PARAM_TYPE => [ |
| 810 | 'ids', |
| 811 | 'flags', |
| 812 | 'timestamp', |
| 813 | 'user', |
| 814 | 'userid', |
| 815 | 'size', |
| 816 | 'slotsize', |
| 817 | 'sha1', |
| 818 | 'slotsha1', |
| 819 | 'contentmodel', |
| 820 | 'comment', |
| 821 | 'parsedcomment', |
| 822 | 'content', |
| 823 | 'tags', |
| 824 | 'roles', |
| 825 | 'parsetree', |
| 826 | ], |
| 827 | ApiBase::PARAM_HELP_MSG => 'apihelp-query+revisions+base-param-prop', |
| 828 | ApiBase::PARAM_HELP_MSG_PER_VALUE => [ |
| 829 | 'ids' => 'apihelp-query+revisions+base-paramvalue-prop-ids', |
| 830 | 'flags' => 'apihelp-query+revisions+base-paramvalue-prop-flags', |
| 831 | 'timestamp' => 'apihelp-query+revisions+base-paramvalue-prop-timestamp', |
| 832 | 'user' => 'apihelp-query+revisions+base-paramvalue-prop-user', |
| 833 | 'userid' => 'apihelp-query+revisions+base-paramvalue-prop-userid', |
| 834 | 'size' => 'apihelp-query+revisions+base-paramvalue-prop-size', |
| 835 | 'slotsize' => 'apihelp-query+revisions+base-paramvalue-prop-slotsize', |
| 836 | 'sha1' => 'apihelp-query+revisions+base-paramvalue-prop-sha1', |
| 837 | 'slotsha1' => 'apihelp-query+revisions+base-paramvalue-prop-slotsha1', |
| 838 | 'contentmodel' => 'apihelp-query+revisions+base-paramvalue-prop-contentmodel', |
| 839 | 'comment' => 'apihelp-query+revisions+base-paramvalue-prop-comment', |
| 840 | 'parsedcomment' => 'apihelp-query+revisions+base-paramvalue-prop-parsedcomment', |
| 841 | 'content' => [ 'apihelp-query+revisions+base-paramvalue-prop-content', $smallLimit ], |
| 842 | 'tags' => 'apihelp-query+revisions+base-paramvalue-prop-tags', |
| 843 | 'roles' => 'apihelp-query+revisions+base-paramvalue-prop-roles', |
| 844 | 'parsetree' => [ 'apihelp-query+revisions+base-paramvalue-prop-parsetree', |
| 845 | CONTENT_MODEL_WIKITEXT, $smallLimit ], |
| 846 | ], |
| 847 | EnumDef::PARAM_DEPRECATED_VALUES => [ |
| 848 | 'parsetree' => true, |
| 849 | ], |
| 850 | ], |
| 851 | 'slots' => [ |
| 852 | ParamValidator::PARAM_TYPE => $slotRoles, |
| 853 | ApiBase::PARAM_HELP_MSG => 'apihelp-query+revisions+base-param-slots', |
| 854 | ParamValidator::PARAM_ISMULTI => true, |
| 855 | ParamValidator::PARAM_ALL => true, |
| 856 | ], |
| 857 | 'contentformat-{slot}' => [ |
| 858 | ApiBase::PARAM_TEMPLATE_VARS => [ 'slot' => 'slots' ], |
| 859 | ApiBase::PARAM_HELP_MSG => 'apihelp-query+revisions+base-param-contentformat-slot', |
| 860 | ParamValidator::PARAM_TYPE => $this->contentHandlerFactory->getAllContentFormats(), |
| 861 | ], |
| 862 | 'limit' => [ |
| 863 | ParamValidator::PARAM_TYPE => 'limit', |
| 864 | IntegerDef::PARAM_MIN => 1, |
| 865 | IntegerDef::PARAM_MAX => ApiBase::LIMIT_BIG1, |
| 866 | IntegerDef::PARAM_MAX2 => ApiBase::LIMIT_BIG2, |
| 867 | ApiBase::PARAM_HELP_MSG => [ 'apihelp-query+revisions+base-param-limit', |
| 868 | $smallLimit, self::LIMIT_PARSE ], |
| 869 | ], |
| 870 | 'expandtemplates' => [ |
| 871 | ParamValidator::PARAM_DEFAULT => false, |
| 872 | ApiBase::PARAM_HELP_MSG => 'apihelp-query+revisions+base-param-expandtemplates', |
| 873 | ParamValidator::PARAM_DEPRECATED => true, |
| 874 | ], |
| 875 | 'generatexml' => [ |
| 876 | ParamValidator::PARAM_DEFAULT => false, |
| 877 | ParamValidator::PARAM_DEPRECATED => true, |
| 878 | ApiBase::PARAM_HELP_MSG => 'apihelp-query+revisions+base-param-generatexml', |
| 879 | ], |
| 880 | 'parse' => [ |
| 881 | ParamValidator::PARAM_DEFAULT => false, |
| 882 | ApiBase::PARAM_HELP_MSG => [ 'apihelp-query+revisions+base-param-parse', self::LIMIT_PARSE ], |
| 883 | ParamValidator::PARAM_DEPRECATED => true, |
| 884 | ], |
| 885 | 'section' => [ |
| 886 | ApiBase::PARAM_HELP_MSG => 'apihelp-query+revisions+base-param-section', |
| 887 | ], |
| 888 | 'diffto' => [ |
| 889 | ApiBase::PARAM_HELP_MSG => [ 'apihelp-query+revisions+base-param-diffto', $smallLimit ], |
| 890 | ParamValidator::PARAM_DEPRECATED => true, |
| 891 | ], |
| 892 | 'difftotext' => [ |
| 893 | ApiBase::PARAM_HELP_MSG => [ 'apihelp-query+revisions+base-param-difftotext', $smallLimit ], |
| 894 | ParamValidator::PARAM_DEPRECATED => true, |
| 895 | ], |
| 896 | 'difftotextpst' => [ |
| 897 | ParamValidator::PARAM_DEFAULT => false, |
| 898 | ApiBase::PARAM_HELP_MSG => 'apihelp-query+revisions+base-param-difftotextpst', |
| 899 | ParamValidator::PARAM_DEPRECATED => true, |
| 900 | ], |
| 901 | 'contentformat' => [ |
| 902 | ParamValidator::PARAM_TYPE => $this->contentHandlerFactory->getAllContentFormats(), |
| 903 | ApiBase::PARAM_HELP_MSG => 'apihelp-query+revisions+base-param-contentformat', |
| 904 | ParamValidator::PARAM_DEPRECATED => true, |
| 905 | ], |
| 906 | ]; |
| 907 | } |
| 908 | } |
| 909 | |
| 910 | /** @deprecated class alias since 1.43 */ |
| 911 | class_alias( ApiQueryRevisionsBase::class, 'ApiQueryRevisionsBase' ); |