mirror of
https://github.com/YunoHost-Apps/mediawiki_ynh.git
synced 2024-09-03 19:46:05 +02:00
591 lines
19 KiB
PHP
591 lines
19 KiB
PHP
<?php
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/**
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* Factory for handling the special page list and generating SpecialPage objects.
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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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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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* @file
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* @ingroup SpecialPage
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* @defgroup SpecialPage SpecialPage
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*/
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/**
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* Factory for handling the special page list and generating SpecialPage objects.
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*
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* To add a special page in an extension, add to $wgSpecialPages either
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* an object instance or an array containing the name and constructor
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* parameters. The latter is preferred for performance reasons.
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*
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* The object instantiated must be either an instance of SpecialPage or a
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* sub-class thereof. It must have an execute() method, which sends the HTML
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* for the special page to $wgOut. The parent class has an execute() method
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* which distributes the call to the historical global functions. Additionally,
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* execute() also checks if the user has the necessary access privileges
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* and bails out if not.
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*
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* To add a core special page, use the similar static list in
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* SpecialPage::$mList. To remove a core static special page at runtime, use
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* a SpecialPage_initList hook.
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*
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* @ingroup SpecialPage
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* @since 1.17
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*/
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class SpecialPageFactory {
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/**
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* List of special page names to the subclass of SpecialPage which handles them.
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*/
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private static $mList = array(
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// Maintenance Reports
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'BrokenRedirects' => 'BrokenRedirectsPage',
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'Deadendpages' => 'DeadendpagesPage',
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'DoubleRedirects' => 'DoubleRedirectsPage',
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'Longpages' => 'LongpagesPage',
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'Ancientpages' => 'AncientpagesPage',
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'Lonelypages' => 'LonelypagesPage',
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'Fewestrevisions' => 'FewestrevisionsPage',
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'Withoutinterwiki' => 'WithoutinterwikiPage',
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'Protectedpages' => 'SpecialProtectedpages',
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'Protectedtitles' => 'SpecialProtectedtitles',
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'Shortpages' => 'ShortpagesPage',
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'Uncategorizedcategories' => 'UncategorizedcategoriesPage',
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'Uncategorizedimages' => 'UncategorizedimagesPage',
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'Uncategorizedpages' => 'UncategorizedpagesPage',
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'Uncategorizedtemplates' => 'UncategorizedtemplatesPage',
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'Unusedcategories' => 'UnusedcategoriesPage',
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'Unusedimages' => 'UnusedimagesPage',
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'Unusedtemplates' => 'UnusedtemplatesPage',
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'Unwatchedpages' => 'UnwatchedpagesPage',
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'Wantedcategories' => 'WantedcategoriesPage',
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'Wantedfiles' => 'WantedfilesPage',
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'Wantedpages' => 'WantedpagesPage',
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'Wantedtemplates' => 'WantedtemplatesPage',
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// List of pages
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'Allpages' => 'SpecialAllpages',
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'Prefixindex' => 'SpecialPrefixindex',
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'Categories' => 'SpecialCategories',
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'Listredirects' => 'ListredirectsPage',
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'PagesWithProp' => 'SpecialPagesWithProp',
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// Login/create account
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'Userlogin' => 'LoginForm',
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'CreateAccount' => 'SpecialCreateAccount',
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// Users and rights
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'Block' => 'SpecialBlock',
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'Unblock' => 'SpecialUnblock',
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'BlockList' => 'SpecialBlockList',
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'ChangePassword' => 'SpecialChangePassword',
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'PasswordReset' => 'SpecialPasswordReset',
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'DeletedContributions' => 'DeletedContributionsPage',
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'Preferences' => 'SpecialPreferences',
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'ResetTokens' => 'SpecialResetTokens',
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'Contributions' => 'SpecialContributions',
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'Listgrouprights' => 'SpecialListGroupRights',
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'Listusers' => 'SpecialListUsers',
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'Listadmins' => 'SpecialListAdmins',
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'Listbots' => 'SpecialListBots',
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'Activeusers' => 'SpecialActiveUsers',
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'Userrights' => 'UserrightsPage',
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'EditWatchlist' => 'SpecialEditWatchlist',
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// Recent changes and logs
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'Newimages' => 'SpecialNewFiles',
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'Log' => 'SpecialLog',
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'Watchlist' => 'SpecialWatchlist',
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'Newpages' => 'SpecialNewpages',
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'Recentchanges' => 'SpecialRecentchanges',
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'Recentchangeslinked' => 'SpecialRecentchangeslinked',
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'Tags' => 'SpecialTags',
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// Media reports and uploads
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'Listfiles' => 'SpecialListFiles',
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'Filepath' => 'SpecialFilepath',
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'MIMEsearch' => 'MIMEsearchPage',
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'FileDuplicateSearch' => 'FileDuplicateSearchPage',
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'Upload' => 'SpecialUpload',
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'UploadStash' => 'SpecialUploadStash',
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// Data and tools
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'Statistics' => 'SpecialStatistics',
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'Allmessages' => 'SpecialAllmessages',
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'Version' => 'SpecialVersion',
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'Lockdb' => 'SpecialLockdb',
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'Unlockdb' => 'SpecialUnlockdb',
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// Redirecting special pages
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'LinkSearch' => 'LinkSearchPage',
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'Randompage' => 'Randompage',
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'RandomInCategory' => 'SpecialRandomInCategory',
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'Randomredirect' => 'SpecialRandomredirect',
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// High use pages
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'Mostlinkedcategories' => 'MostlinkedCategoriesPage',
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'Mostimages' => 'MostimagesPage',
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'Mostinterwikis' => 'MostinterwikisPage',
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'Mostlinked' => 'MostlinkedPage',
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'Mostlinkedtemplates' => 'MostlinkedTemplatesPage',
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'Mostcategories' => 'MostcategoriesPage',
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'Mostrevisions' => 'MostrevisionsPage',
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// Page tools
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'ComparePages' => 'SpecialComparePages',
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'Export' => 'SpecialExport',
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'Import' => 'SpecialImport',
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'Undelete' => 'SpecialUndelete',
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'Whatlinkshere' => 'SpecialWhatlinkshere',
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'MergeHistory' => 'SpecialMergeHistory',
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// Other
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'Booksources' => 'SpecialBookSources',
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// Unlisted / redirects
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'Blankpage' => 'SpecialBlankpage',
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'Emailuser' => 'SpecialEmailUser',
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'Movepage' => 'MovePageForm',
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'Mycontributions' => 'SpecialMycontributions',
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'Mypage' => 'SpecialMypage',
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'Mytalk' => 'SpecialMytalk',
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'Myuploads' => 'SpecialMyuploads',
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'AllMyUploads' => 'SpecialAllMyUploads',
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'PermanentLink' => 'SpecialPermanentLink',
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'Redirect' => 'SpecialRedirect',
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'Revisiondelete' => 'SpecialRevisionDelete',
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'Specialpages' => 'SpecialSpecialpages',
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'Userlogout' => 'SpecialUserlogout',
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);
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private static $mAliases;
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/**
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* Initialise the special page list
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* This must be called before accessing SpecialPage::$mList
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*
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* @return array
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*/
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static function getList() {
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global $wgSpecialPages;
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global $wgDisableCounters, $wgDisableInternalSearch, $wgEmailAuthentication;
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global $wgEnableEmail, $wgEnableJavaScriptTest;
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if ( !is_object( self::$mList ) ) {
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wfProfileIn( __METHOD__ );
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if ( !$wgDisableCounters ) {
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self::$mList['Popularpages'] = 'PopularpagesPage';
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}
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if ( !$wgDisableInternalSearch ) {
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self::$mList['Search'] = 'SpecialSearch';
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}
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if ( $wgEmailAuthentication ) {
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self::$mList['Confirmemail'] = 'EmailConfirmation';
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self::$mList['Invalidateemail'] = 'EmailInvalidation';
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}
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if ( $wgEnableEmail ) {
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self::$mList['ChangeEmail'] = 'SpecialChangeEmail';
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}
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if ( $wgEnableJavaScriptTest ) {
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self::$mList['JavaScriptTest'] = 'SpecialJavaScriptTest';
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}
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// Add extension special pages
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self::$mList = array_merge( self::$mList, $wgSpecialPages );
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// Run hooks
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// This hook can be used to remove undesired built-in special pages
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wfRunHooks( 'SpecialPage_initList', array( &self::$mList ) );
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// Cast to object: func()[$key] doesn't work, but func()->$key does
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settype( self::$mList, 'object' );
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wfProfileOut( __METHOD__ );
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}
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return self::$mList;
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}
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/**
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* Initialise and return the list of special page aliases. Returns an object with
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* properties which can be accessed $obj->pagename - each property is an array of
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* aliases; the first in the array is the canonical alias. All registered special
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* pages are guaranteed to have a property entry, and for that property array to
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* contain at least one entry (English fallbacks will be added if necessary).
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* @return Object
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*/
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static function getAliasList() {
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if ( !is_object( self::$mAliases ) ) {
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global $wgContLang;
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$aliases = $wgContLang->getSpecialPageAliases();
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// Objects are passed by reference by default, need to create a copy
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$missingPages = clone self::getList();
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self::$mAliases = array();
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foreach ( $aliases as $realName => $aliasList ) {
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foreach ( $aliasList as $alias ) {
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self::$mAliases[$wgContLang->caseFold( $alias )] = $realName;
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}
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unset( $missingPages->$realName );
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}
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foreach ( $missingPages as $name => $stuff ) {
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self::$mAliases[$wgContLang->caseFold( $name )] = $name;
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}
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// Cast to object: func()[$key] doesn't work, but func()->$key does
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self::$mAliases = (object)self::$mAliases;
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}
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return self::$mAliases;
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}
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/**
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* Given a special page name with a possible subpage, return an array
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* where the first element is the special page name and the second is the
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* subpage.
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*
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* @param $alias String
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* @return Array( String, String|null ), or array( null, null ) if the page is invalid
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*/
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public static function resolveAlias( $alias ) {
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global $wgContLang;
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$bits = explode( '/', $alias, 2 );
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$caseFoldedAlias = $wgContLang->caseFold( $bits[0] );
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$caseFoldedAlias = str_replace( ' ', '_', $caseFoldedAlias );
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if ( isset( self::getAliasList()->$caseFoldedAlias ) ) {
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$name = self::getAliasList()->$caseFoldedAlias;
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} else {
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return array( null, null );
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}
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if ( !isset( $bits[1] ) ) { // bug 2087
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$par = null;
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} else {
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$par = $bits[1];
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}
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return array( $name, $par );
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}
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/**
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* Add a page to a certain display group for Special:SpecialPages
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*
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* @param $page Mixed: SpecialPage or string
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* @param $group String
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* @deprecated since 1.21 Override SpecialPage::getGroupName
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*/
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public static function setGroup( $page, $group ) {
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wfDeprecated( __METHOD__, '1.21' );
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global $wgSpecialPageGroups;
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$name = is_object( $page ) ? $page->getName() : $page;
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$wgSpecialPageGroups[$name] = $group;
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}
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/**
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* Get the group that the special page belongs in on Special:SpecialPage
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*
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* @param $page SpecialPage
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* @return String
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* @deprecated since 1.21 Use SpecialPage::getFinalGroupName
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*/
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public static function getGroup( &$page ) {
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wfDeprecated( __METHOD__, '1.21' );
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return $page->getFinalGroupName();
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}
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/**
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* Check if a given name exist as a special page or as a special page alias
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*
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* @param string $name name of a special page
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* @return Boolean: true if a special page exists with this name
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*/
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public static function exists( $name ) {
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list( $title, /*...*/ ) = self::resolveAlias( $name );
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return property_exists( self::getList(), $title );
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}
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/**
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* Find the object with a given name and return it (or NULL)
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*
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* @param string $name Special page name, may be localised and/or an alias
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* @return SpecialPage|null SpecialPage object or null if the page doesn't exist
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*/
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public static function getPage( $name ) {
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list( $realName, /*...*/ ) = self::resolveAlias( $name );
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if ( property_exists( self::getList(), $realName ) ) {
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$rec = self::getList()->$realName;
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if ( is_string( $rec ) ) {
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$className = $rec;
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return new $className;
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} elseif ( is_array( $rec ) ) {
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// @deprecated, officially since 1.18, unofficially since forever
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wfDebug( "Array syntax for \$wgSpecialPages is deprecated, define a subclass of SpecialPage instead." );
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$className = array_shift( $rec );
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self::getList()->$realName = MWFunction::newObj( $className, $rec );
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}
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return self::getList()->$realName;
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} else {
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return null;
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}
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}
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/**
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* Return categorised listable special pages which are available
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* for the current user, and everyone.
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*
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* @param $user User object to check permissions, $wgUser will be used
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* if not provided
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* @return Array( String => Specialpage )
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*/
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public static function getUsablePages( User $user = null ) {
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$pages = array();
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if ( $user === null ) {
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global $wgUser;
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$user = $wgUser;
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}
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foreach ( self::getList() as $name => $rec ) {
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$page = self::getPage( $name );
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if ( $page ) { // not null
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$page->setContext( RequestContext::getMain() );
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if ( $page->isListed()
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&& ( !$page->isRestricted() || $page->userCanExecute( $user ) )
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) {
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$pages[$name] = $page;
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}
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}
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}
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return $pages;
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}
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/**
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* Return categorised listable special pages for all users
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*
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* @return Array( String => Specialpage )
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*/
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public static function getRegularPages() {
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$pages = array();
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foreach ( self::getList() as $name => $rec ) {
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$page = self::getPage( $name );
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if ( $page->isListed() && !$page->isRestricted() ) {
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$pages[$name] = $page;
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}
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}
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return $pages;
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}
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/**
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* Return categorised listable special pages which are available
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* for the current user, but not for everyone
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*
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* @return Array( String => Specialpage )
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*/
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public static function getRestrictedPages() {
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global $wgUser;
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$pages = array();
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foreach ( self::getList() as $name => $rec ) {
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$page = self::getPage( $name );
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if (
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$page->isListed()
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&& $page->isRestricted()
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&& $page->userCanExecute( $wgUser )
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) {
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$pages[$name] = $page;
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}
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}
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return $pages;
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}
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/**
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* Execute a special page path.
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* The path may contain parameters, e.g. Special:Name/Params
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* Extracts the special page name and call the execute method, passing the parameters
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*
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* Returns a title object if the page is redirected, false if there was no such special
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* page, and true if it was successful.
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*
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* @param $title Title object
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* @param $context IContextSource
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* @param $including Bool output is being captured for use in {{special:whatever}}
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*
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* @return bool
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*/
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public static function executePath( Title &$title, IContextSource &$context, $including = false ) {
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wfProfileIn( __METHOD__ );
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// @todo FIXME: Redirects broken due to this call
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$bits = explode( '/', $title->getDBkey(), 2 );
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$name = $bits[0];
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if ( !isset( $bits[1] ) ) { // bug 2087
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$par = null;
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} else {
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$par = $bits[1];
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}
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$page = self::getPage( $name );
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// Nonexistent?
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if ( !$page ) {
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$context->getOutput()->setArticleRelated( false );
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$context->getOutput()->setRobotPolicy( 'noindex,nofollow' );
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global $wgSend404Code;
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if ( $wgSend404Code ) {
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$context->getOutput()->setStatusCode( 404 );
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}
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$context->getOutput()->showErrorPage( 'nosuchspecialpage', 'nospecialpagetext' );
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wfProfileOut( __METHOD__ );
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return false;
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}
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// Page exists, set the context
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$page->setContext( $context );
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if ( !$including ) {
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// Redirect to canonical alias for GET commands
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// Not for POST, we'd lose the post data, so it's best to just distribute
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// the request. Such POST requests are possible for old extensions that
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// generate self-links without being aware that their default name has
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// changed.
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if ( $name != $page->getLocalName() && !$context->getRequest()->wasPosted() ) {
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$query = $context->getRequest()->getQueryValues();
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unset( $query['title'] );
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$title = $page->getTitle( $par );
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$url = $title->getFullURL( $query );
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$context->getOutput()->redirect( $url );
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wfProfileOut( __METHOD__ );
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return $title;
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} else {
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$context->setTitle( $page->getTitle( $par ) );
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}
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} elseif ( !$page->isIncludable() ) {
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wfProfileOut( __METHOD__ );
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return false;
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}
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$page->including( $including );
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// Execute special page
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$profName = 'Special:' . $page->getName();
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wfProfileIn( $profName );
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$page->run( $par );
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wfProfileOut( $profName );
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wfProfileOut( __METHOD__ );
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return true;
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}
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/**
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* Just like executePath() but will override global variables and execute
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* the page in "inclusion" mode. Returns true if the execution was
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* successful or false if there was no such special page, or a title object
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* if it was a redirect.
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*
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* Also saves the current $wgTitle, $wgOut, $wgRequest, $wgUser and $wgLang
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* variables so that the special page will get the context it'd expect on a
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* normal request, and then restores them to their previous values after.
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*
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* @param $title Title
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* @param $context IContextSource
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*
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* @return String: HTML fragment
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*/
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static function capturePath( Title $title, IContextSource $context ) {
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global $wgOut, $wgTitle, $wgRequest, $wgUser, $wgLang;
|
|
|
|
// Save current globals
|
|
$oldTitle = $wgTitle;
|
|
$oldOut = $wgOut;
|
|
$oldRequest = $wgRequest;
|
|
$oldUser = $wgUser;
|
|
$oldLang = $wgLang;
|
|
|
|
// Set the globals to the current context
|
|
$wgTitle = $title;
|
|
$wgOut = $context->getOutput();
|
|
$wgRequest = $context->getRequest();
|
|
$wgUser = $context->getUser();
|
|
$wgLang = $context->getLanguage();
|
|
|
|
// The useful part
|
|
$ret = self::executePath( $title, $context, true );
|
|
|
|
// And restore the old globals
|
|
$wgTitle = $oldTitle;
|
|
$wgOut = $oldOut;
|
|
$wgRequest = $oldRequest;
|
|
$wgUser = $oldUser;
|
|
$wgLang = $oldLang;
|
|
|
|
return $ret;
|
|
}
|
|
|
|
/**
|
|
* Get the local name for a specified canonical name
|
|
*
|
|
* @param $name String
|
|
* @param $subpage String|Bool
|
|
*
|
|
* @return String
|
|
*/
|
|
static function getLocalNameFor( $name, $subpage = false ) {
|
|
global $wgContLang;
|
|
$aliases = $wgContLang->getSpecialPageAliases();
|
|
|
|
if ( isset( $aliases[$name][0] ) ) {
|
|
$name = $aliases[$name][0];
|
|
} else {
|
|
// Try harder in case someone misspelled the correct casing
|
|
$found = false;
|
|
foreach ( $aliases as $n => $values ) {
|
|
if ( strcasecmp( $name, $n ) === 0 ) {
|
|
wfWarn( "Found alias defined for $n when searching for " .
|
|
"special page aliases for $name. Case mismatch?" );
|
|
$name = $values[0];
|
|
$found = true;
|
|
break;
|
|
}
|
|
}
|
|
if ( !$found ) {
|
|
wfWarn( "Did not find alias for special page '$name'. " .
|
|
"Perhaps no aliases are defined for it?" );
|
|
}
|
|
}
|
|
if ( $subpage !== false && !is_null( $subpage ) ) {
|
|
$name = "$name/$subpage";
|
|
}
|
|
return $wgContLang->ucfirst( $name );
|
|
}
|
|
|
|
/**
|
|
* Get a title for a given alias
|
|
*
|
|
* @param $alias String
|
|
*
|
|
* @return Title or null if there is no such alias
|
|
*/
|
|
static function getTitleForAlias( $alias ) {
|
|
$name = self::resolveAlias( $alias );
|
|
if ( $name ) {
|
|
return SpecialPage::getTitleFor( $name );
|
|
} else {
|
|
return null;
|
|
}
|
|
}
|
|
}
|