includes/api/ApiQuery.php

   1 <?php
   2
   3 /**
   4  * Created on Sep 7, 2006
   5  *
   6  * API for MediaWiki 1.8+
   7  *
   8  * Copyright © 2006 Yuri Astrakhan <Firstname><Lastname>@gmail.com
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License along
  21  * with this program; if not, write to the Free Software Foundation, Inc.,
  22  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  23  * http://www.gnu.org/copyleft/gpl.html
  24  */
  25
  26 if ( !defined( 'MEDIAWIKI' ) ) {
  27         // Eclipse helper - will be ignored in production
  28         require_once( 'ApiBase.php' );
  29 }
  30
  31 /**
  32  * This is the main query class. It behaves similar to ApiMain: based on the
  33  * parameters given, it will create a list of titles to work on (an ApiPageSet
  34  * object), instantiate and execute various property/list/meta modules, and
  35  * assemble all resulting data into a single ApiResult object.
  36  *
  37  * In generator mode, a generator will be executed first to populate a second
  38  * ApiPageSet object, and that object will be used for all subsequent modules.
  39  *
  40  * @ingroup API
  41  */
  42 class ApiQuery extends ApiBase {
  43
  44         private $mPropModuleNames, $mListModuleNames, $mMetaModuleNames;
  45         private $mPageSet;
  46         private $params, $redirect;
  47
  48         private $mQueryPropModules = array(
  49                 'info' => 'ApiQueryInfo',
  50                 'revisions' => 'ApiQueryRevisions',
  51                 'links' => 'ApiQueryLinks',
  52                 'iwlinks' => 'ApiQueryIWLinks',
  53                 'langlinks' => 'ApiQueryLangLinks',
  54                 'images' => 'ApiQueryImages',
  55                 'imageinfo' => 'ApiQueryImageInfo',
  56                 'templates' => 'ApiQueryLinks',
  57                 'categories' => 'ApiQueryCategories',
  58                 'extlinks' => 'ApiQueryExternalLinks',
  59                 'categoryinfo' => 'ApiQueryCategoryInfo',
  60                 'duplicatefiles' => 'ApiQueryDuplicateFiles',
  61         );
  62
  63         private $mQueryListModules = array(
  64                 'allimages' => 'ApiQueryAllimages',
  65                 'allpages' => 'ApiQueryAllpages',
  66                 'alllinks' => 'ApiQueryAllLinks',
  67                 'allcategories' => 'ApiQueryAllCategories',
  68                 'allusers' => 'ApiQueryAllUsers',
  69                 'backlinks' => 'ApiQueryBacklinks',
  70                 'blocks' => 'ApiQueryBlocks',
  71                 'categorymembers' => 'ApiQueryCategoryMembers',
  72                 'deletedrevs' => 'ApiQueryDeletedrevs',
  73                 'embeddedin' => 'ApiQueryBacklinks',
  74                 'filearchive' => 'ApiQueryFilearchive',
  75                 'imageusage' => 'ApiQueryBacklinks',
  76                 'iwbacklinks' => 'ApiQueryIWBacklinks',
  77                 'logevents' => 'ApiQueryLogEvents',
  78                 'recentchanges' => 'ApiQueryRecentChanges',
  79                 'search' => 'ApiQuerySearch',
  80                 'tags' => 'ApiQueryTags',
  81                 'usercontribs' => 'ApiQueryContributions',
  82                 'watchlist' => 'ApiQueryWatchlist',
  83                 'watchlistraw' => 'ApiQueryWatchlistRaw',
  84                 'exturlusage' => 'ApiQueryExtLinksUsage',
  85                 'users' => 'ApiQueryUsers',
  86                 'random' => 'ApiQueryRandom',
  87                 'protectedtitles' => 'ApiQueryProtectedTitles',
  88         );
  89
  90         private $mQueryMetaModules = array(
  91                 'siteinfo' => 'ApiQuerySiteinfo',
  92                 'userinfo' => 'ApiQueryUserInfo',
  93                 'allmessages' => 'ApiQueryAllmessages',
  94         );
  95
  96         private $mSlaveDB = null;
  97         private $mNamedDB = array();
  98
  99         public function __construct( $main, $action ) {
 100                 parent::__construct( $main, $action );
 101
 102                 // Allow custom modules to be added in LocalSettings.php
 103                 global $wgAPIPropModules, $wgAPIListModules, $wgAPIMetaModules;
 104                 self::appendUserModules( $this->mQueryPropModules, $wgAPIPropModules );
 105                 self::appendUserModules( $this->mQueryListModules, $wgAPIListModules );
 106                 self::appendUserModules( $this->mQueryMetaModules, $wgAPIMetaModules );
 107
 108                 $this->mPropModuleNames = array_keys( $this->mQueryPropModules );
 109                 $this->mListModuleNames = array_keys( $this->mQueryListModules );
 110                 $this->mMetaModuleNames = array_keys( $this->mQueryMetaModules );
 111
 112                 // Allow the entire list of modules at first,
 113                 // but during module instantiation check if it can be used as a generator.
 114                 $this->mAllowedGenerators = array_merge( $this->mListModuleNames, $this->mPropModuleNames );
 115         }
 116
 117         /**
 118          * Helper function to append any add-in modules to the list
 119          * @param $modules array Module array
 120          * @param $newModules array Module array to add to $modules
 121          */
 122         private static function appendUserModules( &$modules, $newModules ) {
 123                 if ( is_array( $newModules ) ) {
 124                         foreach ( $newModules as $moduleName => $moduleClass ) {
 125                                 $modules[$moduleName] = $moduleClass;
 126                         }
 127                 }
 128         }
 129
 130         /**
 131          * Gets a default slave database connection object
 132          * @return Database
 133          */
 134         public function getDB() {
 135                 if ( !isset( $this->mSlaveDB ) ) {
 136                         $this->profileDBIn();
 137                         $this->mSlaveDB = wfGetDB( DB_SLAVE, 'api' );
 138                         $this->profileDBOut();
 139                 }
 140                 return $this->mSlaveDB;
 141         }
 142
 143         /**
 144          * Get the query database connection with the given name.
 145          * If no such connection has been requested before, it will be created.
 146          * Subsequent calls with the same $name will return the same connection
 147          * as the first, regardless of the values of $db and $groups
 148          * @param $name string Name to assign to the database connection
 149          * @param $db int One of the DB_* constants
 150          * @param $groups array Query groups
 151          * @return Database
 152          */
 153         public function getNamedDB( $name, $db, $groups ) {
 154                 if ( !array_key_exists( $name, $this->mNamedDB ) ) {
 155                         $this->profileDBIn();
 156                         $this->mNamedDB[$name] = wfGetDB( $db, $groups );
 157                         $this->profileDBOut();
 158                 }
 159                 return $this->mNamedDB[$name];
 160         }
 161
 162         /**
 163          * Gets the set of pages the user has requested (or generated)
 164          * @return ApiPageSet
 165          */
 166         public function getPageSet() {
 167                 return $this->mPageSet;
 168         }
 169
 170         /**
 171          * Get the array mapping module names to class names
 172          * @return array(modulename => classname)
 173          */
 174         function getModules() {
 175                 return array_merge( $this->mQueryPropModules, $this->mQueryListModules, $this->mQueryMetaModules );
 176         }
 177
 178         /**
 179          * Get whether the specified module is a prop, list or a meta query module
 180          * @param $moduleName string Name of the module to find type for
 181          * @return mixed string or null
 182          */
 183         function getModuleType( $moduleName ) {
 184                 if ( array_key_exists ( $moduleName, $this->mQueryPropModules ) ) {
 185                         return 'prop';
 186                 }
 187
 188                 if ( array_key_exists ( $moduleName, $this->mQueryListModules ) ) {
 189                         return 'list';
 190                 }
 191
 192                 if ( array_key_exists ( $moduleName, $this->mQueryMetaModules ) ) {
 193                         return 'meta';
 194                 }
 195
 196                 return null;
 197         }
 198
 199         public function getCustomPrinter() {
 200                 // If &exportnowrap is set, use the raw formatter
 201                 if ( $this->getParameter( 'export' ) &&
 202                                 $this->getParameter( 'exportnowrap' ) )
 203                 {
 204                         return new ApiFormatRaw( $this->getMain(),
 205                                 $this->getMain()->createPrinterByName( 'xml' ) );
 206                 } else {
 207                         return null;
 208                 }
 209         }
 210
 211         /**
 212          * Query execution happens in the following steps:
 213          * #1 Create a PageSet object with any pages requested by the user
 214          * #2 If using a generator, execute it to get a new ApiPageSet object
 215          * #3 Instantiate all requested modules.
 216          *    This way the PageSet object will know what shared data is required,
 217          *    and minimize DB calls.
 218          * #4 Output all normalization and redirect resolution information
 219          * #5 Execute all requested modules
 220          */
 221         public function execute() {
 222                 $this->params = $this->extractRequestParams();
 223                 $this->redirects = $this->params['redirects'];
 224
 225                 // Create PageSet
 226                 $this->mPageSet = new ApiPageSet( $this, $this->redirects );
 227
 228                 // Instantiate requested modules
 229                 $modules = array();
 230                 $this->InstantiateModules( $modules, 'prop', $this->mQueryPropModules );
 231                 $this->InstantiateModules( $modules, 'list', $this->mQueryListModules );
 232                 $this->InstantiateModules( $modules, 'meta', $this->mQueryMetaModules );
 233
 234                 // If given, execute generator to substitute user supplied data with generated data.
 235                 if ( isset( $this->params['generator'] ) ) {
 236                         $this->executeGeneratorModule( $this->params['generator'], $modules );
 237                 } else {
 238                         // Append custom fields and populate page/revision information
 239                         $this->addCustomFldsToPageSet( $modules, $this->mPageSet );
 240                         $this->mPageSet->execute();
 241                 }
 242
 243                 // Record page information (title, namespace, if exists, etc)
 244                 $this->outputGeneralPageInfo();
 245
 246                 // Execute all requested modules.
 247                 foreach ( $modules as $module ) {
 248                         $module->profileIn();
 249                         $module->execute();
 250                         wfRunHooks( 'APIQueryAfterExecute', array( &$module ) );
 251                         $module->profileOut();
 252                 }
 253         }
 254
 255         /**
 256          * Query modules may optimize data requests through the $this->getPageSet() object
 257          * by adding extra fields from the page table.
 258          * This function will gather all the extra request fields from the modules.
 259          * @param $modules array of module objects
 260          * @param $pageSet ApiPageSet
 261          */
 262         private function addCustomFldsToPageSet( $modules, $pageSet ) {
 263                 // Query all requested modules.
 264                 foreach ( $modules as $module ) {
 265                         $module->requestExtraData( $pageSet );
 266                 }
 267         }
 268
 269         /**
 270          * Create instances of all modules requested by the client
 271          * @param $modules array to append instatiated modules to
 272          * @param $param string Parameter name to read modules from
 273          * @param $moduleList array(modulename => classname)
 274          */
 275         private function InstantiateModules( &$modules, $param, $moduleList ) {
 276                 $list = @$this->params[$param];
 277                 if ( !is_null ( $list ) ) {
 278                         foreach ( $list as $moduleName ) {
 279                                 $modules[] = new $moduleList[$moduleName] ( $this, $moduleName );
 280                         }
 281                 }
 282         }
 283
 284         /**
 285          * Appends an element for each page in the current pageSet with the
 286          * most general information (id, title), plus any title normalizations
 287          * and missing or invalid title/pageids/revids.
 288          */
 289         private function outputGeneralPageInfo() {
 290                 $pageSet = $this->getPageSet();
 291                 $result = $this->getResult();
 292
 293                 // We don't check for a full result set here because we can't be adding
 294                 // more than 380K. The maximum revision size is in the megabyte range,
 295                 // and the maximum result size must be even higher than that.
 296
 297                 // Title normalizations
 298                 $normValues = array();
 299                 foreach ( $pageSet->getNormalizedTitles() as $rawTitleStr => $titleStr ) {
 300                         $normValues[] = array(
 301                                 'from' => $rawTitleStr,
 302                                 'to' => $titleStr
 303                         );
 304                 }
 305
 306                 if ( count( $normValues ) ) {
 307                         $result->setIndexedTagName( $normValues, 'n' );
 308                         $result->addValue( 'query', 'normalized', $normValues );
 309                 }
 310
 311                 // Interwiki titles
 312                 $intrwValues = array();
 313                 foreach ( $pageSet->getInterwikiTitles() as $rawTitleStr => $interwikiStr ) {
 314                         $intrwValues[] = array(
 315                                 'title' => $rawTitleStr,
 316                                 'iw' => $interwikiStr
 317                         );
 318                 }
 319
 320                 if ( count( $intrwValues ) ) {
 321                         $result->setIndexedTagName( $intrwValues, 'i' );
 322                         $result->addValue( 'query', 'interwiki', $intrwValues );
 323                 }
 324
 325                 // Show redirect information
 326                 $redirValues = array();
 327                 foreach ( $pageSet->getRedirectTitles() as $titleStrFrom => $titleStrTo ) {
 328                         $redirValues[] = array(
 329                                 'from' => strval( $titleStrFrom ),
 330                                 'to' => $titleStrTo
 331                         );
 332                 }
 333
 334                 if ( count( $redirValues ) ) {
 335                         $result->setIndexedTagName( $redirValues, 'r' );
 336                         $result->addValue( 'query', 'redirects', $redirValues );
 337                 }
 338
 339                 //
 340                 // Missing revision elements
 341                 //
 342                 $missingRevIDs = $pageSet->getMissingRevisionIDs();
 343                 if ( count( $missingRevIDs ) ) {
 344                         $revids = array();
 345                         foreach ( $missingRevIDs as $revid ) {
 346                                 $revids[$revid] = array(
 347                                         'revid' => $revid
 348                                 );
 349                         }
 350                         $result->setIndexedTagName( $revids, 'rev' );
 351                         $result->addValue( 'query', 'badrevids', $revids );
 352                 }
 353
 354                 //
 355                 // Page elements
 356                 //
 357                 $pages = array();
 358
 359                 // Report any missing titles
 360                 foreach ( $pageSet->getMissingTitles() as $fakeId => $title ) {
 361                         $vals = array();
 362                         ApiQueryBase::addTitleInfo( $vals, $title );
 363                         $vals['missing'] = '';
 364                         $pages[$fakeId] = $vals;
 365                 }
 366                 // Report any invalid titles
 367                 foreach ( $pageSet->getInvalidTitles() as $fakeId => $title ) {
 368                         $pages[$fakeId] = array( 'title' => $title, 'invalid' => '' );
 369                 }
 370                 // Report any missing page ids
 371                 foreach ( $pageSet->getMissingPageIDs() as $pageid ) {
 372                         $pages[$pageid] = array(
 373                                 'pageid' => $pageid,
 374                                 'missing' => ''
 375                         );
 376                 }
 377
 378                 // Output general page information for found titles
 379                 foreach ( $pageSet->getGoodTitles() as $pageid => $title ) {
 380                         $vals = array();
 381                         $vals['pageid'] = $pageid;
 382                         ApiQueryBase::addTitleInfo( $vals, $title );
 383                         $pages[$pageid] = $vals;
 384                 }
 385
 386                 if ( count( $pages ) ) {
 387                         if ( $this->params['indexpageids'] ) {
 388                                 $pageIDs = array_keys( $pages );
 389                                 // json treats all map keys as strings - converting to match
 390                                 $pageIDs = array_map( 'strval', $pageIDs );
 391                                 $result->setIndexedTagName( $pageIDs, 'id' );
 392                                 $result->addValue( 'query', 'pageids', $pageIDs );
 393                         }
 394
 395                         $result->setIndexedTagName( $pages, 'page' );
 396                         $result->addValue( 'query', 'pages', $pages );
 397                 }
 398                 if ( $this->params['export'] ) {
 399                         $exporter = new WikiExporter( $this->getDB() );
 400                         // WikiExporter writes to stdout, so catch its
 401                         // output with an ob
 402                         ob_start();
 403                         $exporter->openStream();
 404                         foreach ( @$pageSet->getGoodTitles() as $title ) {
 405                                 if ( $title->userCanRead() ) {
 406                                         $exporter->pageByTitle( $title );
 407                                 }
 408                         }
 409                         $exporter->closeStream();
 410                         $exportxml = ob_get_contents();
 411                         ob_end_clean();
 412
 413                         // Don't check the size of exported stuff
 414                         // It's not continuable, so it would cause more
 415                         // problems than it'd solve
 416                         $result->disableSizeCheck();
 417                         if ( $this->params['exportnowrap'] ) {
 418                                 $result->reset();
 419                                 // Raw formatter will handle this
 420                                 $result->addValue( null, 'text', $exportxml );
 421                                 $result->addValue( null, 'mime', 'text/xml' );
 422                         } else {
 423                                 $r = array();
 424                                 ApiResult::setContent( $r, $exportxml );
 425                                 $result->addValue( 'query', 'export', $r );
 426                         }
 427                         $result->enableSizeCheck();
 428                 }
 429         }
 430
 431         /**
 432          * For generator mode, execute generator, and use its output as new
 433          * ApiPageSet
 434          * @param $generatorName string Module name
 435          * @param $modules array of module objects
 436          */
 437         protected function executeGeneratorModule( $generatorName, $modules ) {
 438                 // Find class that implements requested generator
 439                 if ( isset( $this->mQueryListModules[$generatorName] ) ) {
 440                         $className = $this->mQueryListModules[$generatorName];
 441                 } elseif ( isset( $this->mQueryPropModules[$generatorName] ) ) {
 442                         $className = $this->mQueryPropModules[$generatorName];
 443                 } else {
 444                         ApiBase::dieDebug( __METHOD__, "Unknown generator=$generatorName" );
 445                 }
 446
 447                 // Generator results
 448                 $resultPageSet = new ApiPageSet( $this, $this->redirects );
 449
 450                 // Create and execute the generator
 451                 $generator = new $className ( $this, $generatorName );
 452                 if ( !$generator instanceof ApiQueryGeneratorBase ) {
 453                         $this->dieUsage( "Module $generatorName cannot be used as a generator", 'badgenerator' );
 454                 }
 455
 456                 $generator->setGeneratorMode();
 457
 458                 // Add any additional fields modules may need
 459                 $generator->requestExtraData( $this->mPageSet );
 460                 $this->addCustomFldsToPageSet( $modules, $resultPageSet );
 461
 462                 // Populate page information with the original user input
 463                 $this->mPageSet->execute();
 464
 465                 // populate resultPageSet with the generator output
 466                 $generator->profileIn();
 467                 $generator->executeGenerator( $resultPageSet );
 468                 wfRunHooks( 'APIQueryGeneratorAfterExecute', array( &$generator, &$resultPageSet ) );
 469                 $resultPageSet->finishPageSetGeneration();
 470                 $generator->profileOut();
 471
 472                 // Swap the resulting pageset back in
 473                 $this->mPageSet = $resultPageSet;
 474         }
 475
 476         public function getAllowedParams() {
 477                 return array(
 478                         'prop' => array(
 479                                 ApiBase::PARAM_ISMULTI => true,
 480                                 ApiBase::PARAM_TYPE => $this->mPropModuleNames
 481                         ),
 482                         'list' => array(
 483                                 ApiBase::PARAM_ISMULTI => true,
 484                                 ApiBase::PARAM_TYPE => $this->mListModuleNames
 485                         ),
 486                         'meta' => array(
 487                                 ApiBase::PARAM_ISMULTI => true,
 488                                 ApiBase::PARAM_TYPE => $this->mMetaModuleNames
 489                         ),
 490                         'generator' => array(
 491                                 ApiBase::PARAM_TYPE => $this->mAllowedGenerators
 492                         ),
 493                         'redirects' => false,
 494                         'indexpageids' => false,
 495                         'export' => false,
 496                         'exportnowrap' => false,
 497                 );
 498         }
 499
 500         /**
 501          * Override the parent to generate help messages for all available query modules.
 502          * @return string
 503          */
 504         public function makeHelpMsg() {
 505                 $msg = '';
 506
 507                 // Make sure the internal object is empty
 508                 // (just in case a sub-module decides to optimize during instantiation)
 509                 $this->mPageSet = null;
 510                 $this->mAllowedGenerators = array(); // Will be repopulated
 511
 512                 $astriks = str_repeat( '--- ', 8 );
 513                 $astriks2 = str_repeat( '*** ', 10 );
 514                 $msg .= "\n$astriks Query: Prop  $astriks\n\n";
 515                 $msg .= $this->makeHelpMsgHelper( $this->mQueryPropModules, 'prop' );
 516                 $msg .= "\n$astriks Query: List  $astriks\n\n";
 517                 $msg .= $this->makeHelpMsgHelper( $this->mQueryListModules, 'list' );
 518                 $msg .= "\n$astriks Query: Meta  $astriks\n\n";
 519                 $msg .= $this->makeHelpMsgHelper( $this->mQueryMetaModules, 'meta' );
 520                 $msg .= "\n\n$astriks2 Modules: continuation  $astriks2\n\n";
 521
 522                 // Perform the base call last because the $this->mAllowedGenerators
 523                 // will be updated inside makeHelpMsgHelper()
 524                 // Use parent to make default message for the query module
 525                 $msg = parent::makeHelpMsg() . $msg;
 526
 527                 return $msg;
 528         }
 529
 530         /**
 531          * For all modules in $moduleList, generate help messages and join them together
 532          * @param $moduleList array(modulename => classname)
 533          * @param $paramName string Parameter name
 534          * @return string
 535          */
 536         private function makeHelpMsgHelper( $moduleList, $paramName ) {
 537                 $moduleDescriptions = array();
 538
 539                 foreach ( $moduleList as $moduleName => $moduleClass ) {
 540                         $module = new $moduleClass ( $this, $moduleName, null );
 541
 542                         $msg = ApiMain::makeHelpMsgHeader( $module, $paramName );
 543                         $msg2 = $module->makeHelpMsg();
 544                         if ( $msg2 !== false ) {
 545                                 $msg .= $msg2;
 546                         }
 547                         if ( $module instanceof ApiQueryGeneratorBase ) {
 548                                 $this->mAllowedGenerators[] = $moduleName;
 549                                 $msg .= "Generator:\n  This module may be used as a generator\n";
 550                         }
 551                         $moduleDescriptions[] = $msg;
 552                 }
 553
 554                 return implode( "\n", $moduleDescriptions );
 555         }
 556
 557         /**
 558          * Override to add extra parameters from PageSet
 559          * @return string
 560          */
 561         public function makeHelpMsgParameters() {
 562                 $psModule = new ApiPageSet( $this );
 563                 return $psModule->makeHelpMsgParameters() . parent::makeHelpMsgParameters();
 564         }
 565
 566         public function shouldCheckMaxlag() {
 567                 return true;
 568         }
 569
 570         public function getParamDescription() {
 571                 return array(
 572                         'prop' => 'Which properties to get for the titles/revisions/pageids. Module help is available below',
 573                         'list' => 'Which lists to get. Module help is available below',
 574                         'meta' => 'Which metadata to get about the site. Module help is available below',
 575                         'generator' => array( 'Use the output of a list as the input for other prop/list/meta items',
 576                                         'NOTE: generator parameter names must be prefixed with a \'g\', see examples' ),
 577                         'redirects' => 'Automatically resolve redirects',
 578                         'indexpageids' => 'Include an additional pageids section listing all returned page IDs',
 579                         'export' => 'Export the current revisions of all given or generated pages',
 580                         'exportnowrap' => 'Return the export XML without wrapping it in an XML result (same format as Special:Export). Can only be used with export',
 581                 );
 582         }
 583
 584         public function getDescription() {
 585                 return array(
 586                         'Query API module allows applications to get needed pieces of data from the MediaWiki databases,',
 587                         'and is loosely based on the old query.php interface.',
 588                         'All data modifications will first have to use query to acquire a token to prevent abuse from malicious sites'
 589                 );
 590         }
 591
 592         public function getPossibleErrors() {
 593                 return array_merge( parent::getPossibleErrors(), array(
 594                         array( 'code' => 'badgenerator', 'info' => 'Module $generatorName cannot be used as a generator' ),
 595                 ) );
 596         }
 597
 598         protected function getExamples() {
 599                 return array(
 600                         'api.php?action=query&prop=revisions&meta=siteinfo&titles=Main%20Page&rvprop=user|comment',
 601                         'api.php?action=query&generator=allpages&gapprefix=API/&prop=revisions',
 602                 );
 603         }
 604
 605         public function getVersion() {
 606                 $psModule = new ApiPageSet( $this );
 607                 $vers = array();
 608                 $vers[] = __CLASS__ . ': $Id$';
 609                 $vers[] = $psModule->getVersion();
 610                 return $vers;
 611         }
 612 }