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ApiQueryInfo.php
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1 <?php
24 
30 class ApiQueryInfo extends ApiQueryBase {
31 
32  private $fld_protection = false, $fld_talkid = false,
33  $fld_subjectid = false, $fld_url = false,
34  $fld_readable = false, $fld_watched = false,
38 
39  private $params;
40 
42  private $titles;
44  private $missing;
46  private $everything;
47 
50 
53  private $showZeroWatchers = false;
54 
55  private $tokenFunctions;
56 
57  private $countTestedActions = 0;
58 
59  public function __construct( ApiQuery $query, $moduleName ) {
60  parent::__construct( $query, $moduleName, 'in' );
61  }
62 
67  public function requestExtraData( $pageSet ) {
68  $pageSet->requestField( 'page_restrictions' );
69  // If the pageset is resolving redirects we won't get page_is_redirect.
70  // But we can't know for sure until the pageset is executed (revids may
71  // turn it off), so request it unconditionally.
72  $pageSet->requestField( 'page_is_redirect' );
73  $pageSet->requestField( 'page_is_new' );
74  $config = $this->getConfig();
75  $pageSet->requestField( 'page_touched' );
76  $pageSet->requestField( 'page_latest' );
77  $pageSet->requestField( 'page_len' );
78  if ( $config->get( 'ContentHandlerUseDB' ) ) {
79  $pageSet->requestField( 'page_content_model' );
80  }
81  if ( $config->get( 'PageLanguageUseDB' ) ) {
82  $pageSet->requestField( 'page_lang' );
83  }
84  }
85 
93  protected function getTokenFunctions() {
94  // Don't call the hooks twice
95  if ( isset( $this->tokenFunctions ) ) {
96  return $this->tokenFunctions;
97  }
98 
99  // If we're in a mode that breaks the same-origin policy, no tokens can
100  // be obtained
101  if ( $this->lacksSameOriginSecurity() ) {
102  return [];
103  }
104 
105  $this->tokenFunctions = [
106  'edit' => [ self::class, 'getEditToken' ],
107  'delete' => [ self::class, 'getDeleteToken' ],
108  'protect' => [ self::class, 'getProtectToken' ],
109  'move' => [ self::class, 'getMoveToken' ],
110  'block' => [ self::class, 'getBlockToken' ],
111  'unblock' => [ self::class, 'getUnblockToken' ],
112  'email' => [ self::class, 'getEmailToken' ],
113  'import' => [ self::class, 'getImportToken' ],
114  'watch' => [ self::class, 'getWatchToken' ],
115  ];
116  Hooks::run( 'APIQueryInfoTokens', [ &$this->tokenFunctions ] );
117 
118  return $this->tokenFunctions;
119  }
120 
121  protected static $cachedTokens = [];
122 
126  public static function resetTokenCache() {
127  self::$cachedTokens = [];
128  }
129 
133  public static function getEditToken( $pageid, $title ) {
134  // We could check for $title->userCan('edit') here,
135  // but that's too expensive for this purpose
136  // and would break caching
137  global $wgUser;
138  if ( !$wgUser->isAllowed( 'edit' ) ) {
139  return false;
140  }
141 
142  // The token is always the same, let's exploit that
143  if ( !isset( self::$cachedTokens['edit'] ) ) {
144  self::$cachedTokens['edit'] = $wgUser->getEditToken();
145  }
146 
147  return self::$cachedTokens['edit'];
148  }
149 
153  public static function getDeleteToken( $pageid, $title ) {
154  global $wgUser;
155  if ( !$wgUser->isAllowed( 'delete' ) ) {
156  return false;
157  }
158 
159  // The token is always the same, let's exploit that
160  if ( !isset( self::$cachedTokens['delete'] ) ) {
161  self::$cachedTokens['delete'] = $wgUser->getEditToken();
162  }
163 
164  return self::$cachedTokens['delete'];
165  }
166 
170  public static function getProtectToken( $pageid, $title ) {
171  global $wgUser;
172  if ( !$wgUser->isAllowed( 'protect' ) ) {
173  return false;
174  }
175 
176  // The token is always the same, let's exploit that
177  if ( !isset( self::$cachedTokens['protect'] ) ) {
178  self::$cachedTokens['protect'] = $wgUser->getEditToken();
179  }
180 
181  return self::$cachedTokens['protect'];
182  }
183 
187  public static function getMoveToken( $pageid, $title ) {
188  global $wgUser;
189  if ( !$wgUser->isAllowed( 'move' ) ) {
190  return false;
191  }
192 
193  // The token is always the same, let's exploit that
194  if ( !isset( self::$cachedTokens['move'] ) ) {
195  self::$cachedTokens['move'] = $wgUser->getEditToken();
196  }
197 
198  return self::$cachedTokens['move'];
199  }
200 
204  public static function getBlockToken( $pageid, $title ) {
205  global $wgUser;
206  if ( !$wgUser->isAllowed( 'block' ) ) {
207  return false;
208  }
209 
210  // The token is always the same, let's exploit that
211  if ( !isset( self::$cachedTokens['block'] ) ) {
212  self::$cachedTokens['block'] = $wgUser->getEditToken();
213  }
214 
215  return self::$cachedTokens['block'];
216  }
217 
221  public static function getUnblockToken( $pageid, $title ) {
222  // Currently, this is exactly the same as the block token
223  return self::getBlockToken( $pageid, $title );
224  }
225 
229  public static function getEmailToken( $pageid, $title ) {
230  global $wgUser;
231  if ( !$wgUser->canSendEmail() || $wgUser->isBlockedFromEmailuser() ) {
232  return false;
233  }
234 
235  // The token is always the same, let's exploit that
236  if ( !isset( self::$cachedTokens['email'] ) ) {
237  self::$cachedTokens['email'] = $wgUser->getEditToken();
238  }
239 
240  return self::$cachedTokens['email'];
241  }
242 
246  public static function getImportToken( $pageid, $title ) {
247  global $wgUser;
248  if ( !$wgUser->isAllowedAny( 'import', 'importupload' ) ) {
249  return false;
250  }
251 
252  // The token is always the same, let's exploit that
253  if ( !isset( self::$cachedTokens['import'] ) ) {
254  self::$cachedTokens['import'] = $wgUser->getEditToken();
255  }
256 
257  return self::$cachedTokens['import'];
258  }
259 
263  public static function getWatchToken( $pageid, $title ) {
264  global $wgUser;
265  if ( !$wgUser->isLoggedIn() ) {
266  return false;
267  }
268 
269  // The token is always the same, let's exploit that
270  if ( !isset( self::$cachedTokens['watch'] ) ) {
271  self::$cachedTokens['watch'] = $wgUser->getEditToken( 'watch' );
272  }
273 
274  return self::$cachedTokens['watch'];
275  }
276 
280  public static function getOptionsToken( $pageid, $title ) {
281  global $wgUser;
282  if ( !$wgUser->isLoggedIn() ) {
283  return false;
284  }
285 
286  // The token is always the same, let's exploit that
287  if ( !isset( self::$cachedTokens['options'] ) ) {
288  self::$cachedTokens['options'] = $wgUser->getEditToken();
289  }
290 
291  return self::$cachedTokens['options'];
292  }
293 
294  public function execute() {
295  $this->params = $this->extractRequestParams();
296  if ( !is_null( $this->params['prop'] ) ) {
297  $prop = array_flip( $this->params['prop'] );
298  $this->fld_protection = isset( $prop['protection'] );
299  $this->fld_watched = isset( $prop['watched'] );
300  $this->fld_watchers = isset( $prop['watchers'] );
301  $this->fld_visitingwatchers = isset( $prop['visitingwatchers'] );
302  $this->fld_notificationtimestamp = isset( $prop['notificationtimestamp'] );
303  $this->fld_talkid = isset( $prop['talkid'] );
304  $this->fld_subjectid = isset( $prop['subjectid'] );
305  $this->fld_url = isset( $prop['url'] );
306  $this->fld_readable = isset( $prop['readable'] );
307  $this->fld_preload = isset( $prop['preload'] );
308  $this->fld_displaytitle = isset( $prop['displaytitle'] );
309  $this->fld_varianttitles = isset( $prop['varianttitles'] );
310  }
311 
312  $pageSet = $this->getPageSet();
313  $this->titles = $pageSet->getGoodTitles();
314  $this->missing = $pageSet->getMissingTitles();
315  $this->everything = $this->titles + $this->missing;
316  $result = $this->getResult();
317 
318  uasort( $this->everything, [ Title::class, 'compare' ] );
319  if ( !is_null( $this->params['continue'] ) ) {
320  // Throw away any titles we're gonna skip so they don't
321  // clutter queries
322  $cont = explode( '|', $this->params['continue'] );
323  $this->dieContinueUsageIf( count( $cont ) != 2 );
324  $conttitle = Title::makeTitleSafe( $cont[0], $cont[1] );
325  foreach ( $this->everything as $pageid => $title ) {
326  if ( Title::compare( $title, $conttitle ) >= 0 ) {
327  break;
328  }
329  unset( $this->titles[$pageid] );
330  unset( $this->missing[$pageid] );
331  unset( $this->everything[$pageid] );
332  }
333  }
334 
335  $this->pageRestrictions = $pageSet->getCustomField( 'page_restrictions' );
336  // when resolving redirects, no page will have this field
337  $this->pageIsRedir = !$pageSet->isResolvingRedirects()
338  ? $pageSet->getCustomField( 'page_is_redirect' )
339  : [];
340  $this->pageIsNew = $pageSet->getCustomField( 'page_is_new' );
341 
342  $this->pageTouched = $pageSet->getCustomField( 'page_touched' );
343  $this->pageLatest = $pageSet->getCustomField( 'page_latest' );
344  $this->pageLength = $pageSet->getCustomField( 'page_len' );
345 
346  // Get protection info if requested
347  if ( $this->fld_protection ) {
348  $this->getProtectionInfo();
349  }
350 
351  if ( $this->fld_watched || $this->fld_notificationtimestamp ) {
352  $this->getWatchedInfo();
353  }
354 
355  if ( $this->fld_watchers ) {
356  $this->getWatcherInfo();
357  }
358 
359  if ( $this->fld_visitingwatchers ) {
360  $this->getVisitingWatcherInfo();
361  }
362 
363  // Run the talkid/subjectid query if requested
364  if ( $this->fld_talkid || $this->fld_subjectid ) {
365  $this->getTSIDs();
366  }
367 
368  if ( $this->fld_displaytitle ) {
369  $this->getDisplayTitle();
370  }
371 
372  if ( $this->fld_varianttitles ) {
373  $this->getVariantTitles();
374  }
375 
377  foreach ( $this->everything as $pageid => $title ) {
378  $pageInfo = $this->extractPageInfo( $pageid, $title );
379  $fit = $pageInfo !== null && $result->addValue( [
380  'query',
381  'pages'
382  ], $pageid, $pageInfo );
383  if ( !$fit ) {
384  $this->setContinueEnumParameter( 'continue',
385  $title->getNamespace() . '|' .
386  $title->getText() );
387  break;
388  }
389  }
390  }
391 
398  private function extractPageInfo( $pageid, $title ) {
399  $pageInfo = [];
400  // $title->exists() needs pageid, which is not set for all title objects
401  $titleExists = $pageid > 0;
402  $ns = $title->getNamespace();
403  $dbkey = $title->getDBkey();
404 
405  $pageInfo['contentmodel'] = $title->getContentModel();
406 
407  $pageLanguage = $title->getPageLanguage();
408  $pageInfo['pagelanguage'] = $pageLanguage->getCode();
409  $pageInfo['pagelanguagehtmlcode'] = $pageLanguage->getHtmlCode();
410  $pageInfo['pagelanguagedir'] = $pageLanguage->getDir();
411 
412  $user = $this->getUser();
413 
414  if ( $titleExists ) {
415  $pageInfo['touched'] = wfTimestamp( TS_ISO_8601, $this->pageTouched[$pageid] );
416  $pageInfo['lastrevid'] = (int)$this->pageLatest[$pageid];
417  $pageInfo['length'] = (int)$this->pageLength[$pageid];
418 
419  if ( isset( $this->pageIsRedir[$pageid] ) && $this->pageIsRedir[$pageid] ) {
420  $pageInfo['redirect'] = true;
421  }
422  if ( $this->pageIsNew[$pageid] ) {
423  $pageInfo['new'] = true;
424  }
425  }
426 
427  if ( !is_null( $this->params['token'] ) ) {
429  $pageInfo['starttimestamp'] = wfTimestamp( TS_ISO_8601, time() );
430  foreach ( $this->params['token'] as $t ) {
431  $val = call_user_func( $tokenFunctions[$t], $pageid, $title );
432  if ( $val === false ) {
433  $this->addWarning( [ 'apiwarn-tokennotallowed', $t ] );
434  } else {
435  $pageInfo[$t . 'token'] = $val;
436  }
437  }
438  }
439 
440  if ( $this->fld_protection ) {
441  $pageInfo['protection'] = [];
442  if ( isset( $this->protections[$ns][$dbkey] ) ) {
443  $pageInfo['protection'] =
444  $this->protections[$ns][$dbkey];
445  }
446  ApiResult::setIndexedTagName( $pageInfo['protection'], 'pr' );
447 
448  $pageInfo['restrictiontypes'] = [];
449  if ( isset( $this->restrictionTypes[$ns][$dbkey] ) ) {
450  $pageInfo['restrictiontypes'] =
451  $this->restrictionTypes[$ns][$dbkey];
452  }
453  ApiResult::setIndexedTagName( $pageInfo['restrictiontypes'], 'rt' );
454  }
455 
456  if ( $this->fld_watched && $this->watched !== null ) {
457  $pageInfo['watched'] = $this->watched[$ns][$dbkey];
458  }
459 
460  if ( $this->fld_watchers ) {
461  if ( $this->watchers !== null && $this->watchers[$ns][$dbkey] !== 0 ) {
462  $pageInfo['watchers'] = $this->watchers[$ns][$dbkey];
463  } elseif ( $this->showZeroWatchers ) {
464  $pageInfo['watchers'] = 0;
465  }
466  }
467 
468  if ( $this->fld_visitingwatchers ) {
469  if ( $this->visitingwatchers !== null && $this->visitingwatchers[$ns][$dbkey] !== 0 ) {
470  $pageInfo['visitingwatchers'] = $this->visitingwatchers[$ns][$dbkey];
471  } elseif ( $this->showZeroWatchers ) {
472  $pageInfo['visitingwatchers'] = 0;
473  }
474  }
475 
476  if ( $this->fld_notificationtimestamp ) {
477  $pageInfo['notificationtimestamp'] = '';
478  if ( $this->notificationtimestamps[$ns][$dbkey] ) {
479  $pageInfo['notificationtimestamp'] =
480  wfTimestamp( TS_ISO_8601, $this->notificationtimestamps[$ns][$dbkey] );
481  }
482  }
483 
484  if ( $this->fld_talkid && isset( $this->talkids[$ns][$dbkey] ) ) {
485  $pageInfo['talkid'] = $this->talkids[$ns][$dbkey];
486  }
487 
488  if ( $this->fld_subjectid && isset( $this->subjectids[$ns][$dbkey] ) ) {
489  $pageInfo['subjectid'] = $this->subjectids[$ns][$dbkey];
490  }
491 
492  if ( $this->fld_url ) {
493  $pageInfo['fullurl'] = wfExpandUrl( $title->getFullURL(), PROTO_CURRENT );
494  $pageInfo['editurl'] = wfExpandUrl( $title->getFullURL( 'action=edit' ), PROTO_CURRENT );
495  $pageInfo['canonicalurl'] = wfExpandUrl( $title->getFullURL(), PROTO_CANONICAL );
496  }
497  if ( $this->fld_readable ) {
498  $pageInfo['readable'] = $this->getPermissionManager()->userCan(
499  'read', $user, $title
500  );
501  }
502 
503  if ( $this->fld_preload ) {
504  if ( $titleExists ) {
505  $pageInfo['preload'] = '';
506  } else {
507  $text = null;
508  Hooks::run( 'EditFormPreloadText', [ &$text, &$title ] );
509 
510  $pageInfo['preload'] = $text;
511  }
512  }
513 
514  if ( $this->fld_displaytitle ) {
515  if ( isset( $this->displaytitles[$pageid] ) ) {
516  $pageInfo['displaytitle'] = $this->displaytitles[$pageid];
517  } else {
518  $pageInfo['displaytitle'] = $title->getPrefixedText();
519  }
520  }
521 
522  if ( $this->fld_varianttitles && isset( $this->variantTitles[$pageid] ) ) {
523  $pageInfo['varianttitles'] = $this->variantTitles[$pageid];
524  }
525 
526  if ( $this->params['testactions'] ) {
527  $limit = $this->getMain()->canApiHighLimits() ? self::LIMIT_SML2 : self::LIMIT_SML1;
528  if ( $this->countTestedActions >= $limit ) {
529  return null; // force a continuation
530  }
531 
532  $detailLevel = $this->params['testactionsdetail'];
533  $rigor = $detailLevel === 'quick' ? 'quick' : 'secure';
534  $errorFormatter = $this->getErrorFormatter();
535  if ( $errorFormatter->getFormat() === 'bc' ) {
536  // Eew, no. Use a more modern format here.
537  $errorFormatter = $errorFormatter->newWithFormat( 'plaintext' );
538  }
539 
540  $user = $this->getUser();
541  $pageInfo['actions'] = [];
542  foreach ( $this->params['testactions'] as $action ) {
543  $this->countTestedActions++;
544 
545  if ( $detailLevel === 'boolean' ) {
546  $pageInfo['actions'][$action] = $this->getPermissionManager()->userCan(
547  $action, $user, $title
548  );
549  } else {
550  $pageInfo['actions'][$action] = $errorFormatter->arrayFromStatus( $this->errorArrayToStatus(
551  $this->getPermissionManager()->getPermissionErrors(
552  $action, $user, $title, $rigor
553  ),
554  $user
555  ) );
556  }
557  }
558  }
559 
560  return $pageInfo;
561  }
562 
566  private function getProtectionInfo() {
567  $this->protections = [];
568  $db = $this->getDB();
569 
570  // Get normal protections for existing titles
571  if ( count( $this->titles ) ) {
572  $this->resetQueryParams();
573  $this->addTables( 'page_restrictions' );
574  $this->addFields( [ 'pr_page', 'pr_type', 'pr_level',
575  'pr_expiry', 'pr_cascade' ] );
576  $this->addWhereFld( 'pr_page', array_keys( $this->titles ) );
577 
578  $res = $this->select( __METHOD__ );
579  foreach ( $res as $row ) {
581  $title = $this->titles[$row->pr_page];
582  $a = [
583  'type' => $row->pr_type,
584  'level' => $row->pr_level,
585  'expiry' => ApiResult::formatExpiry( $row->pr_expiry )
586  ];
587  if ( $row->pr_cascade ) {
588  $a['cascade'] = true;
589  }
590  $this->protections[$title->getNamespace()][$title->getDBkey()][] = $a;
591  }
592  // Also check old restrictions
593  foreach ( $this->titles as $pageId => $title ) {
594  if ( $this->pageRestrictions[$pageId] ) {
595  $namespace = $title->getNamespace();
596  $dbKey = $title->getDBkey();
597  $restrictions = explode( ':', trim( $this->pageRestrictions[$pageId] ) );
598  foreach ( $restrictions as $restrict ) {
599  $temp = explode( '=', trim( $restrict ) );
600  if ( count( $temp ) == 1 ) {
601  // old old format should be treated as edit/move restriction
602  $restriction = trim( $temp[0] );
603 
604  if ( $restriction == '' ) {
605  continue;
606  }
607  $this->protections[$namespace][$dbKey][] = [
608  'type' => 'edit',
609  'level' => $restriction,
610  'expiry' => 'infinity',
611  ];
612  $this->protections[$namespace][$dbKey][] = [
613  'type' => 'move',
614  'level' => $restriction,
615  'expiry' => 'infinity',
616  ];
617  } else {
618  $restriction = trim( $temp[1] );
619  if ( $restriction == '' ) {
620  continue;
621  }
622  $this->protections[$namespace][$dbKey][] = [
623  'type' => $temp[0],
624  'level' => $restriction,
625  'expiry' => 'infinity',
626  ];
627  }
628  }
629  }
630  }
631  }
632 
633  // Get protections for missing titles
634  if ( count( $this->missing ) ) {
635  $this->resetQueryParams();
636  $lb = new LinkBatch( $this->missing );
637  $this->addTables( 'protected_titles' );
638  $this->addFields( [ 'pt_title', 'pt_namespace', 'pt_create_perm', 'pt_expiry' ] );
639  $this->addWhere( $lb->constructSet( 'pt', $db ) );
640  $res = $this->select( __METHOD__ );
641  foreach ( $res as $row ) {
642  $this->protections[$row->pt_namespace][$row->pt_title][] = [
643  'type' => 'create',
644  'level' => $row->pt_create_perm,
645  'expiry' => ApiResult::formatExpiry( $row->pt_expiry )
646  ];
647  }
648  }
649 
650  // Separate good and missing titles into files and other pages
651  // and populate $this->restrictionTypes
652  $images = $others = [];
653  foreach ( $this->everything as $title ) {
654  if ( $title->getNamespace() == NS_FILE ) {
655  $images[] = $title->getDBkey();
656  } else {
657  $others[] = $title;
658  }
659  // Applicable protection types
660  $this->restrictionTypes[$title->getNamespace()][$title->getDBkey()] =
661  array_values( $title->getRestrictionTypes() );
662  }
663 
664  if ( count( $others ) ) {
665  // Non-images: check templatelinks
666  $lb = new LinkBatch( $others );
667  $this->resetQueryParams();
668  $this->addTables( [ 'page_restrictions', 'page', 'templatelinks' ] );
669  $this->addFields( [ 'pr_type', 'pr_level', 'pr_expiry',
670  'page_title', 'page_namespace',
671  'tl_title', 'tl_namespace' ] );
672  $this->addWhere( $lb->constructSet( 'tl', $db ) );
673  $this->addWhere( 'pr_page = page_id' );
674  $this->addWhere( 'pr_page = tl_from' );
675  $this->addWhereFld( 'pr_cascade', 1 );
676 
677  $res = $this->select( __METHOD__ );
678  foreach ( $res as $row ) {
679  $source = Title::makeTitle( $row->page_namespace, $row->page_title );
680  $this->protections[$row->tl_namespace][$row->tl_title][] = [
681  'type' => $row->pr_type,
682  'level' => $row->pr_level,
683  'expiry' => ApiResult::formatExpiry( $row->pr_expiry ),
684  'source' => $source->getPrefixedText()
685  ];
686  }
687  }
688 
689  if ( count( $images ) ) {
690  // Images: check imagelinks
691  $this->resetQueryParams();
692  $this->addTables( [ 'page_restrictions', 'page', 'imagelinks' ] );
693  $this->addFields( [ 'pr_type', 'pr_level', 'pr_expiry',
694  'page_title', 'page_namespace', 'il_to' ] );
695  $this->addWhere( 'pr_page = page_id' );
696  $this->addWhere( 'pr_page = il_from' );
697  $this->addWhereFld( 'pr_cascade', 1 );
698  $this->addWhereFld( 'il_to', $images );
699 
700  $res = $this->select( __METHOD__ );
701  foreach ( $res as $row ) {
702  $source = Title::makeTitle( $row->page_namespace, $row->page_title );
703  $this->protections[NS_FILE][$row->il_to][] = [
704  'type' => $row->pr_type,
705  'level' => $row->pr_level,
706  'expiry' => ApiResult::formatExpiry( $row->pr_expiry ),
707  'source' => $source->getPrefixedText()
708  ];
709  }
710  }
711  }
712 
717  private function getTSIDs() {
718  $getTitles = $this->talkids = $this->subjectids = [];
719  $nsInfo = MediaWikiServices::getInstance()->getNamespaceInfo();
720 
722  foreach ( $this->everything as $t ) {
723  if ( $nsInfo->isTalk( $t->getNamespace() ) ) {
724  if ( $this->fld_subjectid ) {
725  $getTitles[] = $t->getSubjectPage();
726  }
727  } elseif ( $this->fld_talkid ) {
728  $getTitles[] = $t->getTalkPage();
729  }
730  }
731  if ( $getTitles === [] ) {
732  return;
733  }
734 
735  $db = $this->getDB();
736 
737  // Construct a custom WHERE clause that matches
738  // all titles in $getTitles
739  $lb = new LinkBatch( $getTitles );
740  $this->resetQueryParams();
741  $this->addTables( 'page' );
742  $this->addFields( [ 'page_title', 'page_namespace', 'page_id' ] );
743  $this->addWhere( $lb->constructSet( 'page', $db ) );
744  $res = $this->select( __METHOD__ );
745  foreach ( $res as $row ) {
746  if ( $nsInfo->isTalk( $row->page_namespace ) ) {
747  $this->talkids[$nsInfo->getSubject( $row->page_namespace )][$row->page_title] =
748  (int)( $row->page_id );
749  } else {
750  $this->subjectids[$nsInfo->getTalk( $row->page_namespace )][$row->page_title] =
751  (int)( $row->page_id );
752  }
753  }
754  }
755 
756  private function getDisplayTitle() {
757  $this->displaytitles = [];
758 
759  $pageIds = array_keys( $this->titles );
760 
761  if ( $pageIds === [] ) {
762  return;
763  }
764 
765  $this->resetQueryParams();
766  $this->addTables( 'page_props' );
767  $this->addFields( [ 'pp_page', 'pp_value' ] );
768  $this->addWhereFld( 'pp_page', $pageIds );
769  $this->addWhereFld( 'pp_propname', 'displaytitle' );
770  $res = $this->select( __METHOD__ );
771 
772  foreach ( $res as $row ) {
773  $this->displaytitles[$row->pp_page] = $row->pp_value;
774  }
775  }
776 
777  private function getVariantTitles() {
778  if ( $this->titles === [] ) {
779  return;
780  }
781  $this->variantTitles = [];
782  foreach ( $this->titles as $pageId => $t ) {
783  $this->variantTitles[$pageId] = isset( $this->displaytitles[$pageId] )
784  ? $this->getAllVariants( $this->displaytitles[$pageId] )
785  : $this->getAllVariants( $t->getText(), $t->getNamespace() );
786  }
787  }
788 
789  private function getAllVariants( $text, $ns = NS_MAIN ) {
790  $result = [];
791  $contLang = MediaWikiServices::getInstance()->getContentLanguage();
792  foreach ( $contLang->getVariants() as $variant ) {
793  $convertTitle = $contLang->autoConvert( $text, $variant );
794  if ( $ns !== NS_MAIN ) {
795  $convertNs = $contLang->convertNamespace( $ns, $variant );
796  $convertTitle = $convertNs . ':' . $convertTitle;
797  }
798  $result[$variant] = $convertTitle;
799  }
800  return $result;
801  }
802 
807  private function getWatchedInfo() {
808  $user = $this->getUser();
809 
810  if ( $user->isAnon() || count( $this->everything ) == 0
811  || !$user->isAllowed( 'viewmywatchlist' )
812  ) {
813  return;
814  }
815 
816  $this->watched = [];
817  $this->notificationtimestamps = [];
818 
819  $store = MediaWikiServices::getInstance()->getWatchedItemStore();
820  $timestamps = $store->getNotificationTimestampsBatch( $user, $this->everything );
821 
822  if ( $this->fld_watched ) {
823  foreach ( $timestamps as $namespaceId => $dbKeys ) {
824  $this->watched[$namespaceId] = array_map(
825  function ( $x ) {
826  return $x !== false;
827  },
828  $dbKeys
829  );
830  }
831  }
832  if ( $this->fld_notificationtimestamp ) {
833  $this->notificationtimestamps = $timestamps;
834  }
835  }
836 
840  private function getWatcherInfo() {
841  if ( count( $this->everything ) == 0 ) {
842  return;
843  }
844 
845  $user = $this->getUser();
846  $canUnwatchedpages = $user->isAllowed( 'unwatchedpages' );
847  $unwatchedPageThreshold = $this->getConfig()->get( 'UnwatchedPageThreshold' );
848  if ( !$canUnwatchedpages && !is_int( $unwatchedPageThreshold ) ) {
849  return;
850  }
851 
852  $this->showZeroWatchers = $canUnwatchedpages;
853 
854  $countOptions = [];
855  if ( !$canUnwatchedpages ) {
856  $countOptions['minimumWatchers'] = $unwatchedPageThreshold;
857  }
858 
859  $this->watchers = MediaWikiServices::getInstance()->getWatchedItemStore()->countWatchersMultiple(
860  $this->everything,
861  $countOptions
862  );
863  }
864 
871  private function getVisitingWatcherInfo() {
872  $config = $this->getConfig();
873  $user = $this->getUser();
874  $db = $this->getDB();
875 
876  $canUnwatchedpages = $user->isAllowed( 'unwatchedpages' );
877  $unwatchedPageThreshold = $this->getConfig()->get( 'UnwatchedPageThreshold' );
878  if ( !$canUnwatchedpages && !is_int( $unwatchedPageThreshold ) ) {
879  return;
880  }
881 
882  $this->showZeroWatchers = $canUnwatchedpages;
883 
884  $titlesWithThresholds = [];
885  if ( $this->titles ) {
886  $lb = new LinkBatch( $this->titles );
887 
888  // Fetch last edit timestamps for pages
889  $this->resetQueryParams();
890  $this->addTables( [ 'page', 'revision' ] );
891  $this->addFields( [ 'page_namespace', 'page_title', 'rev_timestamp' ] );
892  $this->addWhere( [
893  'page_latest = rev_id',
894  $lb->constructSet( 'page', $db ),
895  ] );
896  $this->addOption( 'GROUP BY', [ 'page_namespace', 'page_title' ] );
897  $timestampRes = $this->select( __METHOD__ );
898 
899  $age = $config->get( 'WatchersMaxAge' );
900  $timestamps = [];
901  foreach ( $timestampRes as $row ) {
902  $revTimestamp = wfTimestamp( TS_UNIX, (int)$row->rev_timestamp );
903  $timestamps[$row->page_namespace][$row->page_title] = $revTimestamp - $age;
904  }
905  $titlesWithThresholds = array_map(
906  function ( LinkTarget $target ) use ( $timestamps ) {
907  return [
908  $target, $timestamps[$target->getNamespace()][$target->getDBkey()]
909  ];
910  },
912  );
913  }
914 
915  if ( $this->missing ) {
916  $titlesWithThresholds = array_merge(
917  $titlesWithThresholds,
918  array_map(
919  function ( LinkTarget $target ) {
920  return [ $target, null ];
921  },
923  )
924  );
925  }
926  $store = MediaWikiServices::getInstance()->getWatchedItemStore();
927  $this->visitingwatchers = $store->countVisitingWatchersMultiple(
928  $titlesWithThresholds,
929  !$canUnwatchedpages ? $unwatchedPageThreshold : null
930  );
931  }
932 
933  public function getCacheMode( $params ) {
934  // Other props depend on something about the current user
935  $publicProps = [
936  'protection',
937  'talkid',
938  'subjectid',
939  'url',
940  'preload',
941  'displaytitle',
942  'varianttitles',
943  ];
944  if ( array_diff( (array)$params['prop'], $publicProps ) ) {
945  return 'private';
946  }
947 
948  // testactions also depends on the current user
949  if ( $params['testactions'] ) {
950  return 'private';
951  }
952 
953  if ( !is_null( $params['token'] ) ) {
954  return 'private';
955  }
956 
957  return 'public';
958  }
959 
960  public function getAllowedParams() {
961  return [
962  'prop' => [
963  ApiBase::PARAM_ISMULTI => true,
965  'protection',
966  'talkid',
967  'watched', # private
968  'watchers', # private
969  'visitingwatchers', # private
970  'notificationtimestamp', # private
971  'subjectid',
972  'url',
973  'readable', # private
974  'preload',
975  'displaytitle',
976  'varianttitles',
977  // If you add more properties here, please consider whether they
978  // need to be added to getCacheMode()
979  ],
982  'readable' => true, // Since 1.32
983  ],
984  ],
985  'testactions' => [
986  ApiBase::PARAM_TYPE => 'string',
987  ApiBase::PARAM_ISMULTI => true,
988  ],
989  'testactionsdetail' => [
990  ApiBase::PARAM_TYPE => [ 'boolean', 'full', 'quick' ],
991  ApiBase::PARAM_DFLT => 'boolean',
993  ],
994  'token' => [
996  ApiBase::PARAM_ISMULTI => true,
997  ApiBase::PARAM_TYPE => array_keys( $this->getTokenFunctions() )
998  ],
999  'continue' => [
1000  ApiBase::PARAM_HELP_MSG => 'api-help-param-continue',
1001  ],
1002  ];
1003  }
1004 
1005  protected function getExamplesMessages() {
1006  return [
1007  'action=query&prop=info&titles=Main%20Page'
1008  => 'apihelp-query+info-example-simple',
1009  'action=query&prop=info&inprop=protection&titles=Main%20Page'
1010  => 'apihelp-query+info-example-protection',
1011  ];
1012  }
1013 
1014  public function getHelpUrls() {
1015  return 'https://www.mediawiki.org/wiki/Special:MyLanguage/API:Info';
1016  }
1017 }
select( $method, $extraQuery=[], array &$hookData=null)
Execute a SELECT query based on the values in the internal arrays.
const PARAM_TYPE
(string|string[]) Either an array of allowed value strings, or a string type as described below...
Definition: ApiBase.php:94
requestExtraData( $pageSet)
getErrorFormatter()
Get the error formatter.
Definition: ApiBase.php:653
getDB()
Get the Query database connection (read-only)
static getUnblockToken( $pageid, $title)
null for the local wiki Added should default to null in handler for backwards compatibility add a value to it if you want to add a cookie that have to vary cache options can modify $query
Definition: hooks.txt:1585
getResult()
Get the result object.
Definition: ApiBase.php:639
const NS_MAIN
Definition: Defines.php:60
static getWatchToken( $pageid, $title)
Apache License January AND DISTRIBUTION Definitions License shall mean the terms and conditions for use
const PARAM_DFLT
(null|boolean|integer|string) Default value of the parameter.
Definition: ApiBase.php:55
getMain()
Get the main module.
Definition: ApiBase.php:535
static getImportToken( $pageid, $title)
Title [] $missing
wfExpandUrl( $url, $defaultProto=PROTO_CURRENT)
Expand a potentially local URL to a fully-qualified URL.
This is a base class for all Query modules.
lacksSameOriginSecurity()
Returns true if the current request breaks the same-origin policy.
Definition: ApiBase.php:567
$source
const PROTO_CURRENT
Definition: Defines.php:218
extractRequestParams( $options=[])
Using getAllowedParams(), this function makes an array of the values provided by the user...
Definition: ApiBase.php:760
getPageSet()
Get the PageSet object to work on.
injection txt This is an overview of how MediaWiki makes use of dependency injection The design described here grew from the discussion of RFC T384 The term dependency this means that anything an object needs to operate should be injected from the the object itself should only know narrow no concrete implementation of the logic it relies on The requirement to inject everything typically results in an architecture that based on two main types of and essentially stateless service objects that use other service objects to operate on the value objects As of the beginning MediaWiki is only starting to use the DI approach Much of the code still relies on global state or direct resulting in a highly cyclical dependency MediaWikiServices
Definition: injection.txt:23
const PARAM_HELP_MSG_PER_VALUE
((string|array|Message)[]) When PARAM_TYPE is an array, this is an array mapping those values to $msg...
Definition: ApiBase.php:164
static getOptionsToken( $pageid, $title)
static setIndexedTagName(array &$arr, $tag)
Set the tag name for numeric-keyed values in XML format.
Definition: ApiResult.php:616
getNamespace()
Get the namespace index.
The index of the header message $result[1]=The index of the body text message $result[2 through n]=Parameters passed to body text message. Please note the header message cannot receive/use parameters. 'ImportHandleLogItemXMLTag':When parsing a XML tag in a log item. Return false to stop further processing of the tag $reader:XMLReader object $logInfo:Array of information 'ImportHandlePageXMLTag':When parsing a XML tag in a page. Return false to stop further processing of the tag $reader:XMLReader object & $pageInfo:Array of information 'ImportHandleRevisionXMLTag':When parsing a XML tag in a page revision. Return false to stop further processing of the tag $reader:XMLReader object $pageInfo:Array of page information $revisionInfo:Array of revision information 'ImportHandleToplevelXMLTag':When parsing a top level XML tag. Return false to stop further processing of the tag $reader:XMLReader object 'ImportHandleUnknownUser':When a user doesn 't exist locally, this hook is called to give extensions an opportunity to auto-create it. If the auto-creation is successful, return false. $name:User name 'ImportHandleUploadXMLTag':When parsing a XML tag in a file upload. Return false to stop further processing of the tag $reader:XMLReader object $revisionInfo:Array of information 'ImportLogInterwikiLink':Hook to change the interwiki link used in log entries and edit summaries for transwiki imports. & $fullInterwikiPrefix:Interwiki prefix, may contain colons. & $pageTitle:String that contains page title. 'ImportSources':Called when reading from the $wgImportSources configuration variable. Can be used to lazy-load the import sources list. & $importSources:The value of $wgImportSources. Modify as necessary. See the comment in DefaultSettings.php for the detail of how to structure this array. 'InfoAction':When building information to display on the action=info page. $context:IContextSource object & $pageInfo:Array of information 'InitializeArticleMaybeRedirect':MediaWiki check to see if title is a redirect. & $title:Title object for the current page & $request:WebRequest & $ignoreRedirect:boolean to skip redirect check & $target:Title/string of redirect target & $article:Article object 'InternalParseBeforeLinks':during Parser 's internalParse method before links but after nowiki/noinclude/includeonly/onlyinclude and other processings. & $parser:Parser object & $text:string containing partially parsed text & $stripState:Parser 's internal StripState object 'InternalParseBeforeSanitize':during Parser 's internalParse method just before the parser removes unwanted/dangerous HTML tags and after nowiki/noinclude/includeonly/onlyinclude and other processings. Ideal for syntax-extensions after template/parser function execution which respect nowiki and HTML-comments. & $parser:Parser object & $text:string containing partially parsed text & $stripState:Parser 's internal StripState object 'InterwikiLoadPrefix':When resolving if a given prefix is an interwiki or not. Return true without providing an interwiki to continue interwiki search. $prefix:interwiki prefix we are looking for. & $iwData:output array describing the interwiki with keys iw_url, iw_local, iw_trans and optionally iw_api and iw_wikiid. 'InvalidateEmailComplete':Called after a user 's email has been invalidated successfully. $user:user(object) whose email is being invalidated 'IRCLineURL':When constructing the URL to use in an IRC notification. Callee may modify $url and $query, URL will be constructed as $url . $query & $url:URL to index.php & $query:Query string $rc:RecentChange object that triggered url generation 'IsFileCacheable':Override the result of Article::isFileCacheable()(if true) & $article:article(object) being checked 'IsTrustedProxy':Override the result of IP::isTrustedProxy() & $ip:IP being check & $result:Change this value to override the result of IP::isTrustedProxy() 'IsUploadAllowedFromUrl':Override the result of UploadFromUrl::isAllowedUrl() $url:URL used to upload from & $allowed:Boolean indicating if uploading is allowed for given URL 'isValidEmailAddr':Override the result of Sanitizer::validateEmail(), for instance to return false if the domain name doesn 't match your organization. $addr:The e-mail address entered by the user & $result:Set this and return false to override the internal checks 'isValidPassword':Override the result of User::isValidPassword() $password:The password entered by the user & $result:Set this and return false to override the internal checks $user:User the password is being validated for 'Language::getMessagesFileName':$code:The language code or the language we 're looking for a messages file for & $file:The messages file path, you can override this to change the location. 'LanguageGetNamespaces':Provide custom ordering for namespaces or remove namespaces. Do not use this hook to add namespaces. Use CanonicalNamespaces for that. & $namespaces:Array of namespaces indexed by their numbers 'LanguageGetTranslatedLanguageNames':Provide translated language names. & $names:array of language code=> language name $code:language of the preferred translations 'LanguageLinks':Manipulate a page 's language links. This is called in various places to allow extensions to define the effective language links for a page. $title:The page 's Title. & $links:Array with elements of the form "language:title" in the order that they will be output. & $linkFlags:Associative array mapping prefixed links to arrays of flags. Currently unused, but planned to provide support for marking individual language links in the UI, e.g. for featured articles. 'LanguageSelector':Hook to change the language selector available on a page. $out:The output page. $cssClassName:CSS class name of the language selector. 'LinkBegin':DEPRECATED since 1.28! Use HtmlPageLinkRendererBegin instead. Used when generating internal and interwiki links in Linker::link(), before processing starts. Return false to skip default processing and return $ret. See documentation for Linker::link() for details on the expected meanings of parameters. $skin:the Skin object $target:the Title that the link is pointing to & $html:the contents that the< a > tag should have(raw HTML) $result
Definition: hooks.txt:1980
static $cachedTokens
static formatExpiry( $expiry, $infinity='infinity')
Format an expiry timestamp for API output.
Definition: ApiResult.php:1205
Class representing a list of titles The execute() method checks them all for existence and adds them ...
Definition: LinkBatch.php:34
extractPageInfo( $pageid, $title)
Get a result array with information about a title.
wfTimestamp( $outputtype=TS_UNIX, $ts=0)
Get a timestamp string in one of various formats.
addTables( $tables, $alias=null)
Add a set of tables to the internal array.
A query module to show basic page information.
static getEditToken( $pageid, $title)
$res
Definition: database.txt:21
getWatchedInfo()
Get information about watched status and put it in $this->watched and $this->notificationtimestamps.
dieContinueUsageIf( $condition)
Die with the &#39;badcontinue&#39; error.
Definition: ApiBase.php:2199
getDBkey()
Get the main part with underscores.
this hook is for auditing only or null if authentication failed before getting that far or null if we can t even determine that When $user is not null
Definition: hooks.txt:780
namespace and then decline to actually register it file or subcat img or subcat $title
Definition: hooks.txt:925
addFields( $value)
Add a set of fields to select to the internal array.
getTSIDs()
Get talk page IDs (if requested) and subject page IDs (if requested) and put them in $talkids and $su...
const NS_FILE
Definition: Defines.php:66
__construct(ApiQuery $query, $moduleName)
static getMoveToken( $pageid, $title)
This is the main query class.
Definition: ApiQuery.php:36
This document is intended to provide useful advice for parties seeking to redistribute MediaWiki to end users It s targeted particularly at maintainers for Linux since it s been observed that distribution packages of MediaWiki often break We ve consistently had to recommend that users seeking support use official tarballs instead of their distribution s and this often solves whatever problem the user is having It would be nice if this could such as
Definition: distributors.txt:9
const PARAM_HELP_MSG
(string|array|Message) Specify an alternative i18n documentation message for this parameter...
Definition: ApiBase.php:131
Title [] $everything
getWatcherInfo()
Get the count of watchers and put it in $this->watchers.
Title [] $titles
errorArrayToStatus(array $errors, User $user=null)
Turn an array of message keys or key+param arrays into a Status.
Definition: ApiBase.php:1819
static makeTitleSafe( $ns, $title, $fragment='', $interwiki='')
Create a new Title from a namespace index and a DB key.
Definition: Title.php:617
static getDeleteToken( $pageid, $title)
static makeTitle( $ns, $title, $fragment='', $interwiki='')
Create a new Title from a namespace index and a DB key.
Definition: Title.php:589
getTokenFunctions()
Get an array mapping token names to their handler functions.
injection txt This is an overview of how MediaWiki makes use of dependency injection The design described here grew from the discussion of RFC T384 The term dependency this means that anything an object needs to operate should be injected from the the object itself should only know narrow no concrete implementation of the logic it relies on The requirement to inject everything typically results in an architecture that based on two main types of and essentially stateless service objects that use other service objects to operate on the value objects As of the beginning MediaWiki is only starting to use the DI approach Much of the code still relies on global state or direct resulting in a highly cyclical dependency which acts as the top level factory for services in MediaWiki which can be used to gain access to default instances of various services MediaWikiServices however also allows new services to be defined and default services to be redefined Services are defined or redefined by providing a callback the instantiator that will return a new instance of the service When it will create an instance of MediaWikiServices and populate it with the services defined in the files listed by thereby bootstrapping the DI framework Per $wgServiceWiringFiles lists includes ServiceWiring php
Definition: injection.txt:35
const PROTO_CANONICAL
Definition: Defines.php:219
getProtectionInfo()
Get information about protections and put it in $protections.
you have access to all of the normal MediaWiki so you can get a DB use the etc For full docs on the Maintenance class
Definition: maintenance.txt:52
addWhere( $value)
Add a set of WHERE clauses to the internal array.
addWarning( $msg, $code=null, $data=null)
Add a warning for this module.
Definition: ApiBase.php:1927
const PARAM_DEPRECATED_VALUES
(array) When PARAM_TYPE is an array, this indicates which of the values are deprecated.
Definition: ApiBase.php:209
const PARAM_ISMULTI
(boolean) Accept multiple pipe-separated values for this parameter (e.g.
Definition: ApiBase.php:58
getPermissionManager()
Obtain a PermissionManager instance that subclasses may use in their authorization checks...
Definition: ApiBase.php:709
addWhereFld( $field, $value)
Equivalent to addWhere( [ $field => $value ] )
static compare(LinkTarget $a, LinkTarget $b)
Callback for usort() to do title sorts by (namespace, title)
Definition: Title.php:846
addOption( $name, $value=null)
Add an option such as LIMIT or USE INDEX.
const PARAM_DEPRECATED
(boolean) Is the parameter deprecated (will show a warning)?
Definition: ApiBase.php:112
getVisitingWatcherInfo()
Get the count of watchers who have visited recent edits and put it in $this->visitingwatchers.
static getProtectToken( $pageid, $title)
static getBlockToken( $pageid, $title)
static resetTokenCache()
static getEmailToken( $pageid, $title)
getCacheMode( $params)
return true to allow those checks to and false if checking is done & $user
Definition: hooks.txt:1473
getAllVariants( $text, $ns=NS_MAIN)
resetQueryParams()
Blank the internal arrays with query parameters.
static run( $event, array $args=[], $deprecatedVersion=null)
Call hook functions defined in Hooks::register and $wgHooks.
Definition: Hooks.php:200
setContinueEnumParameter( $paramName, $paramValue)
Set a query-continue value.