605 lines
18 KiB
PHP
605 lines
18 KiB
PHP
<?php
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/*
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* Created on Sep 25, 2006
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*
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* API for MediaWiki 1.8+
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*
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* Copyright (C) 2006 Yuri Astrakhan <Firstname><Lastname>@gmail.com
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*/
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if (!defined('MEDIAWIKI')) {
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// Eclipse helper - will be ignored in production
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require_once ('ApiQueryBase.php');
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}
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/**
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* A query module to show basic page information.
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*
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* @ingroup API
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*/
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class ApiQueryInfo extends ApiQueryBase {
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public function __construct($query, $moduleName) {
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parent :: __construct($query, $moduleName, 'in');
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}
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public function requestExtraData($pageSet) {
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$pageSet->requestField('page_restrictions');
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$pageSet->requestField('page_is_redirect');
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$pageSet->requestField('page_is_new');
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$pageSet->requestField('page_counter');
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$pageSet->requestField('page_touched');
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$pageSet->requestField('page_latest');
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$pageSet->requestField('page_len');
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}
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protected function getTokenFunctions() {
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// tokenname => function
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// function prototype is func($pageid, $title)
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// should return token or false
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// Don't call the hooks twice
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if(isset($this->tokenFunctions))
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return $this->tokenFunctions;
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// If we're in JSON callback mode, no tokens can be obtained
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if(!is_null($this->getMain()->getRequest()->getVal('callback')))
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return array();
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$this->tokenFunctions = array(
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'edit' => array( 'ApiQueryInfo', 'getEditToken' ),
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'delete' => array( 'ApiQueryInfo', 'getDeleteToken' ),
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'protect' => array( 'ApiQueryInfo', 'getProtectToken' ),
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'move' => array( 'ApiQueryInfo', 'getMoveToken' ),
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'block' => array( 'ApiQueryInfo', 'getBlockToken' ),
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'unblock' => array( 'ApiQueryInfo', 'getUnblockToken' ),
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'email' => array( 'ApiQueryInfo', 'getEmailToken' ),
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'import' => array( 'ApiQueryInfo', 'getImportToken' ),
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);
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wfRunHooks('APIQueryInfoTokens', array(&$this->tokenFunctions));
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return $this->tokenFunctions;
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}
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public static function getEditToken($pageid, $title)
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{
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// We could check for $title->userCan('edit') here,
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// but that's too expensive for this purpose
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global $wgUser;
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if(!$wgUser->isAllowed('edit'))
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return false;
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// The edit token is always the same, let's exploit that
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static $cachedEditToken = null;
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if(!is_null($cachedEditToken))
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return $cachedEditToken;
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$cachedEditToken = $wgUser->editToken();
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return $cachedEditToken;
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}
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public static function getDeleteToken($pageid, $title)
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{
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global $wgUser;
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if(!$wgUser->isAllowed('delete'))
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return false;
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static $cachedDeleteToken = null;
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if(!is_null($cachedDeleteToken))
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return $cachedDeleteToken;
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$cachedDeleteToken = $wgUser->editToken();
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return $cachedDeleteToken;
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}
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public static function getProtectToken($pageid, $title)
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{
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global $wgUser;
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if(!$wgUser->isAllowed('protect'))
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return false;
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static $cachedProtectToken = null;
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if(!is_null($cachedProtectToken))
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return $cachedProtectToken;
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$cachedProtectToken = $wgUser->editToken();
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return $cachedProtectToken;
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}
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public static function getMoveToken($pageid, $title)
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{
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global $wgUser;
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if(!$wgUser->isAllowed('move'))
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return false;
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static $cachedMoveToken = null;
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if(!is_null($cachedMoveToken))
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return $cachedMoveToken;
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$cachedMoveToken = $wgUser->editToken();
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return $cachedMoveToken;
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}
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public static function getBlockToken($pageid, $title)
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{
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global $wgUser;
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if(!$wgUser->isAllowed('block'))
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return false;
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static $cachedBlockToken = null;
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if(!is_null($cachedBlockToken))
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return $cachedBlockToken;
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$cachedBlockToken = $wgUser->editToken();
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return $cachedBlockToken;
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}
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public static function getUnblockToken($pageid, $title)
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{
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// Currently, this is exactly the same as the block token
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return self::getBlockToken($pageid, $title);
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}
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public static function getEmailToken($pageid, $title)
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{
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global $wgUser;
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if(!$wgUser->canSendEmail() || $wgUser->isBlockedFromEmailUser())
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return false;
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static $cachedEmailToken = null;
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if(!is_null($cachedEmailToken))
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return $cachedEmailToken;
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$cachedEmailToken = $wgUser->editToken();
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return $cachedEmailToken;
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}
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public static function getImportToken($pageid, $title)
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{
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global $wgUser;
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if(!$wgUser->isAllowed('import'))
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return false;
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static $cachedImportToken = null;
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if(!is_null($cachedImportToken))
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return $cachedImportToken;
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$cachedImportToken = $wgUser->editToken();
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return $cachedImportToken;
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}
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public function execute() {
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global $wgUser;
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$params = $this->extractRequestParams();
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$fld_protection = $fld_talkid = $fld_subjectid = $fld_url = $fld_readable = false;
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if(!is_null($params['prop'])) {
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$prop = array_flip($params['prop']);
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$fld_protection = isset($prop['protection']);
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$fld_talkid = isset($prop['talkid']);
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$fld_subjectid = isset($prop['subjectid']);
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$fld_url = isset($prop['url']);
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$fld_readable = isset($prop['readable']);
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}
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$pageSet = $this->getPageSet();
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$titles = $pageSet->getGoodTitles();
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$missing = $pageSet->getMissingTitles();
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$result = $this->getResult();
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$pageRestrictions = $pageSet->getCustomField('page_restrictions');
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$pageIsRedir = $pageSet->getCustomField('page_is_redirect');
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$pageIsNew = $pageSet->getCustomField('page_is_new');
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$pageCounter = $pageSet->getCustomField('page_counter');
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$pageTouched = $pageSet->getCustomField('page_touched');
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$pageLatest = $pageSet->getCustomField('page_latest');
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$pageLength = $pageSet->getCustomField('page_len');
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$db = $this->getDB();
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if ($fld_protection && count($titles)) {
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$this->addTables('page_restrictions');
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$this->addFields(array('pr_page', 'pr_type', 'pr_level', 'pr_expiry', 'pr_cascade'));
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$this->addWhereFld('pr_page', array_keys($titles));
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$res = $this->select(__METHOD__);
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while($row = $db->fetchObject($res)) {
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$a = array(
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'type' => $row->pr_type,
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'level' => $row->pr_level,
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'expiry' => Block::decodeExpiry( $row->pr_expiry, TS_ISO_8601 )
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);
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if($row->pr_cascade)
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$a['cascade'] = '';
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$protections[$row->pr_page][] = $a;
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# Also check old restrictions
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if($pageRestrictions[$row->pr_page]) {
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foreach(explode(':', trim($pageRestrictions[$pageid])) as $restrict) {
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$temp = explode('=', trim($restrict));
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if(count($temp) == 1) {
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// old old format should be treated as edit/move restriction
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$restriction = trim( $temp[0] );
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if($restriction == '')
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continue;
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$protections[$row->pr_page][] = array(
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'type' => 'edit',
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'level' => $restriction,
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'expiry' => 'infinity',
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);
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$protections[$row->pr_page][] = array(
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'type' => 'move',
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'level' => $restriction,
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'expiry' => 'infinity',
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);
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} else {
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$restriction = trim( $temp[1] );
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if($restriction == '')
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continue;
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$protections[$row->pr_page][] = array(
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'type' => $temp[0],
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'level' => $restriction,
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'expiry' => 'infinity',
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);
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}
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}
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}
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}
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$db->freeResult($res);
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$imageIds = array();
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foreach ($titles as $id => $title)
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if ($title->getNamespace() == NS_FILE)
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$imageIds[] = $id;
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// To avoid code duplication
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$cascadeTypes = array(
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array(
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'prefix' => 'tl',
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'table' => 'templatelinks',
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'ns' => 'tl_namespace',
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'title' => 'tl_title',
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'ids' => array_diff(array_keys($titles), $imageIds)
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),
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array(
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'prefix' => 'il',
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'table' => 'imagelinks',
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'ns' => NS_FILE,
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'title' => 'il_to',
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'ids' => $imageIds
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)
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);
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foreach ($cascadeTypes as $type)
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{
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if (count($type['ids']) != 0) {
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$this->resetQueryParams();
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$this->addTables(array('page_restrictions', $type['table']));
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$this->addTables('page', 'page_source');
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$this->addTables('page', 'page_target');
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$this->addFields(array('pr_type', 'pr_level', 'pr_expiry',
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'page_target.page_id AS page_target_id',
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'page_source.page_namespace AS page_source_namespace',
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'page_source.page_title AS page_source_title'));
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$this->addWhere(array("{$type['prefix']}_from = pr_page",
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'page_target.page_namespace = '.$type['ns'],
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'page_target.page_title = '.$type['title'],
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'page_source.page_id = pr_page'
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));
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$this->addWhereFld('pr_cascade', 1);
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$this->addWhereFld('page_target.page_id', $type['ids']);
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$res = $this->select(__METHOD__);
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while($row = $db->fetchObject($res)) {
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$source = Title::makeTitle($row->page_source_namespace, $row->page_source_title);
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$a = array(
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'type' => $row->pr_type,
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'level' => $row->pr_level,
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'expiry' => Block::decodeExpiry( $row->pr_expiry, TS_ISO_8601 ),
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'source' => $source->getPrefixedText()
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);
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$protections[$row->page_target_id][] = $a;
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}
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$db->freeResult($res);
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}
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}
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}
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// We don't need to check for pt stuff if there are no nonexistent titles
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if($fld_protection && count($missing))
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{
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$this->resetQueryParams();
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// Construct a custom WHERE clause that matches all titles in $missing
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$lb = new LinkBatch($missing);
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$this->addTables('protected_titles');
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$this->addFields(array('pt_title', 'pt_namespace', 'pt_create_perm', 'pt_expiry'));
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$this->addWhere($lb->constructSet('pt', $db));
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$res = $this->select(__METHOD__);
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$prottitles = array();
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while($row = $db->fetchObject($res)) {
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$prottitles[$row->pt_namespace][$row->pt_title][] = array(
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'type' => 'create',
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'level' => $row->pt_create_perm,
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'expiry' => Block::decodeExpiry($row->pt_expiry, TS_ISO_8601)
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);
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}
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$db->freeResult($res);
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$images = array();
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$others = array();
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foreach ($missing as $title)
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if ($title->getNamespace() == NS_FILE)
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$images[] = $title->getDBKey();
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else
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$others[] = $title;
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if (count($others) != 0) {
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$lb = new LinkBatch($others);
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$this->resetQueryParams();
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$this->addTables(array('page_restrictions', 'page', 'templatelinks'));
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$this->addFields(array('pr_type', 'pr_level', 'pr_expiry',
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'page_title', 'page_namespace',
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'tl_title', 'tl_namespace'));
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$this->addWhere($lb->constructSet('tl', $db));
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$this->addWhere('pr_page = page_id');
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$this->addWhere('pr_page = tl_from');
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$this->addWhereFld('pr_cascade', 1);
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$res = $this->select(__METHOD__);
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while($row = $db->fetchObject($res)) {
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$source = Title::makeTitle($row->page_namespace, $row->page_title);
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$a = array(
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'type' => $row->pr_type,
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'level' => $row->pr_level,
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'expiry' => Block::decodeExpiry( $row->pr_expiry, TS_ISO_8601 ),
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'source' => $source->getPrefixedText()
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);
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$prottitles[$row->tl_namespace][$row->tl_title][] = $a;
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}
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$db->freeResult($res);
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}
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if (count($images) != 0) {
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$this->resetQueryParams();
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$this->addTables(array('page_restrictions', 'page', 'imagelinks'));
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$this->addFields(array('pr_type', 'pr_level', 'pr_expiry',
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'page_title', 'page_namespace', 'il_to'));
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$this->addWhere('pr_page = page_id');
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$this->addWhere('pr_page = il_from');
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$this->addWhereFld('pr_cascade', 1);
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$this->addWhereFld('il_to', $images);
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$res = $this->select(__METHOD__);
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while($row = $db->fetchObject($res)) {
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$source = Title::makeTitle($row->page_namespace, $row->page_title);
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$a = array(
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'type' => $row->pr_type,
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'level' => $row->pr_level,
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'expiry' => Block::decodeExpiry( $row->pr_expiry, TS_ISO_8601 ),
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'source' => $source->getPrefixedText()
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);
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$prottitles[NS_FILE][$row->il_to][] = $a;
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}
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$db->freeResult($res);
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}
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}
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// Run the talkid/subjectid query
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if($fld_talkid || $fld_subjectid)
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{
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$talktitles = $subjecttitles =
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$talkids = $subjectids = array();
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$everything = array_merge($titles, $missing);
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foreach($everything as $t)
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{
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if(MWNamespace::isTalk($t->getNamespace()))
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{
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if($fld_subjectid)
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$subjecttitles[] = $t->getSubjectPage();
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}
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else if($fld_talkid)
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$talktitles[] = $t->getTalkPage();
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}
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if(count($talktitles) || count($subjecttitles))
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{
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// Construct a custom WHERE clause that matches
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// all titles in $talktitles and $subjecttitles
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$lb = new LinkBatch(array_merge($talktitles, $subjecttitles));
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$this->resetQueryParams();
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$this->addTables('page');
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$this->addFields(array('page_title', 'page_namespace', 'page_id'));
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$this->addWhere($lb->constructSet('page', $db));
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$res = $this->select(__METHOD__);
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while($row = $db->fetchObject($res))
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{
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if(MWNamespace::isTalk($row->page_namespace))
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$talkids[MWNamespace::getSubject($row->page_namespace)][$row->page_title] = $row->page_id;
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else
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$subjectids[MWNamespace::getTalk($row->page_namespace)][$row->page_title] = $row->page_id;
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}
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}
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}
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$count = 0;
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ksort($titles); // Ensure they're always in the same order
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foreach ( $titles as $pageid => $title ) {
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$count++;
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if(!is_null($params['continue']))
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if($count < $params['continue'])
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continue;
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$pageInfo = array (
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'touched' => wfTimestamp(TS_ISO_8601, $pageTouched[$pageid]),
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'lastrevid' => intval($pageLatest[$pageid]),
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'counter' => intval($pageCounter[$pageid]),
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'length' => intval($pageLength[$pageid]),
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);
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if ($pageIsRedir[$pageid])
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$pageInfo['redirect'] = '';
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if ($pageIsNew[$pageid])
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$pageInfo['new'] = '';
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if (!is_null($params['token'])) {
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$tokenFunctions = $this->getTokenFunctions();
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$pageInfo['starttimestamp'] = wfTimestamp(TS_ISO_8601, time());
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foreach($params['token'] as $t)
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{
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$val = call_user_func($tokenFunctions[$t], $pageid, $title);
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if($val === false)
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$this->setWarning("Action '$t' is not allowed for the current user");
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else
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$pageInfo[$t . 'token'] = $val;
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}
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}
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if($fld_protection) {
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$pageInfo['protection'] = array();
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if (isset($protections[$pageid])) {
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$pageInfo['protection'] = $protections[$pageid];
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$result->setIndexedTagName($pageInfo['protection'], 'pr');
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}
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}
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if($fld_talkid && isset($talkids[$title->getNamespace()][$title->getDBKey()]))
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$pageInfo['talkid'] = $talkids[$title->getNamespace()][$title->getDBKey()];
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if($fld_subjectid && isset($subjectids[$title->getNamespace()][$title->getDBKey()]))
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$pageInfo['subjectid'] = $subjectids[$title->getNamespace()][$title->getDBKey()];
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if($fld_url) {
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$pageInfo['fullurl'] = $title->getFullURL();
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$pageInfo['editurl'] = $title->getFullURL('action=edit');
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}
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if($fld_readable)
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if($title->userCanRead())
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$pageInfo['readable'] = '';
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$fit = $result->addValue(array (
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'query',
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'pages'
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), $pageid, $pageInfo);
|
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if(!$fit)
|
|
{
|
|
$this->setContinueEnumParameter('continue', $count);
|
|
break;
|
|
}
|
|
}
|
|
|
|
// Get properties for missing titles if requested
|
|
if(!is_null($params['token']) || $fld_protection || $fld_talkid || $fld_subjectid ||
|
|
$fld_url || $fld_readable)
|
|
{
|
|
foreach($missing as $pageid => $title) {
|
|
$count++;
|
|
if(!is_null($params['continue']))
|
|
if($count < $params['continue'])
|
|
continue;
|
|
$r = array();
|
|
if(!is_null($params['token']))
|
|
{
|
|
$tokenFunctions = $this->getTokenFunctions();
|
|
$res['query']['pages'][$pageid]['starttimestamp'] = wfTimestamp(TS_ISO_8601, time());
|
|
foreach($params['token'] as $t)
|
|
{
|
|
$val = call_user_func($tokenFunctions[$t], $pageid, $title);
|
|
if($val === false)
|
|
$this->setWarning("Action '$t' is not allowed for the current user");
|
|
else
|
|
$r[$t . 'token'] = $val;
|
|
}
|
|
}
|
|
if($fld_protection)
|
|
{
|
|
// Apparently the XML formatting code doesn't like array(null)
|
|
// This is painful to fix, so we'll just work around it
|
|
if(isset($prottitles[$title->getNamespace()][$title->getDBkey()]))
|
|
$val = $prottitles[$title->getNamespace()][$title->getDBkey()];
|
|
else
|
|
$val = array();
|
|
$result->setIndexedTagName($val, 'pr');
|
|
$r['protection'] = $val;
|
|
}
|
|
if($fld_talkid && isset($talkids[$title->getNamespace()][$title->getDbKey()]))
|
|
$r['talkid'] = $talkids[$title->getNamespace()][$title->getDbKey()];
|
|
if($fld_subjectid && isset($subjectids[$title->getNamespace()][$title->getDbKey()]))
|
|
$r['subjectid'] = $subjectids[$title->getNamespace()][$title->getDbKey()];
|
|
if($fld_url)
|
|
{
|
|
$r['fullurl'] = $title->getFullURL();
|
|
$r['editurl'] = $title->getFullURL('action=edit');
|
|
}
|
|
if($fld_readable)
|
|
if($title->userCanRead())
|
|
$r['readable'] = '';
|
|
$fit = $result->addValue(array('query', 'pages'), $pageid, $r);
|
|
if(!$fit)
|
|
{
|
|
$this->setContinueEnumParameter('continue', $count);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
public function getAllowedParams() {
|
|
return array (
|
|
'prop' => array (
|
|
ApiBase :: PARAM_DFLT => NULL,
|
|
ApiBase :: PARAM_ISMULTI => true,
|
|
ApiBase :: PARAM_TYPE => array (
|
|
'protection',
|
|
'talkid',
|
|
'subjectid',
|
|
'url',
|
|
'readable',
|
|
)),
|
|
'token' => array (
|
|
ApiBase :: PARAM_DFLT => NULL,
|
|
ApiBase :: PARAM_ISMULTI => true,
|
|
ApiBase :: PARAM_TYPE => array_keys($this->getTokenFunctions())
|
|
),
|
|
'continue' => null,
|
|
);
|
|
}
|
|
|
|
public function getParamDescription() {
|
|
return array (
|
|
'prop' => array (
|
|
'Which additional properties to get:',
|
|
' protection - List the protection level of each page',
|
|
' talkid - The page ID of the talk page for each non-talk page',
|
|
' subjectid - The page ID of the parent page for each talk page'
|
|
),
|
|
'token' => 'Request a token to perform a data-modifying action on a page',
|
|
'continue' => 'When more results are available, use this to continue',
|
|
);
|
|
}
|
|
|
|
|
|
public function getDescription() {
|
|
return 'Get basic page information such as namespace, title, last touched date, ...';
|
|
}
|
|
|
|
protected function getExamples() {
|
|
return array (
|
|
'api.php?action=query&prop=info&titles=Main%20Page',
|
|
'api.php?action=query&prop=info&inprop=protection&titles=Main%20Page'
|
|
);
|
|
}
|
|
|
|
public function getVersion() {
|
|
return __CLASS__ . ': $Id$';
|
|
}
|
|
}
|