<?php
/**
- * SpecialPage: handling special pages and lists thereof
- * $wgSpecialPages is a list of all SpecialPage objects. These objects are
- * either instances of SpecialPage or a sub-class thereof. They have an
- * execute() method, which sends the HTML for the special page to $wgOut.
- * The parent class has an execute() method which distributes the call to
- * the historical global functions. Additionally, execute() also checks if the
- * user has the necessary access privileges and bails out if not.
+ * SpecialPage: handling special pages and lists thereof.
*
- * To add a special page at run-time, use SpecialPage::addPage().
- * DO NOT manipulate this array at run-time.
+ * To add a special page in an extension, add to $wgSpecialPages either
+ * an object instance or an array containing the name and constructor
+ * parameters. The latter is preferred for performance reasons.
*
- * @package MediaWiki
- * @subpackage SpecialPage
+ * The object instantiated must be either an instance of SpecialPage or a
+ * sub-class thereof. It must have an execute() method, which sends the HTML
+ * for the special page to $wgOut. The parent class has an execute() method
+ * which distributes the call to the historical global functions. Additionally,
+ * execute() also checks if the user has the necessary access privileges
+ * and bails out if not.
+ *
+ * To add a core special page, use the similar static list in
+ * SpecialPage::$mList. To remove a core static special page at runtime, use
+ * a SpecialPage_initList hook.
+ *
+ * @addtogroup SpecialPage
*/
-
/**
* @access private
*/
-$wgSpecialPages = array(
- 'DoubleRedirects' => new SpecialPage ( 'DoubleRedirects' ),
- 'BrokenRedirects' => new SpecialPage ( 'BrokenRedirects' ),
- 'Disambiguations' => new SpecialPage ( 'Disambiguations' ),
-
- 'Userlogin' => new SpecialPage( 'Userlogin' ),
- 'Userlogout' => new UnlistedSpecialPage( 'Userlogout' ),
- 'Preferences' => new SpecialPage( 'Preferences' ),
- 'Watchlist' => new SpecialPage( 'Watchlist' ),
-
- 'Recentchanges' => new IncludableSpecialPage( 'Recentchanges' ),
- 'Upload' => new SpecialPage( 'Upload' ),
- 'Imagelist' => new SpecialPage( 'Imagelist' ),
- 'Newimages' => new IncludableSpecialPage( 'Newimages' ),
- 'Listusers' => new SpecialPage( 'Listusers' ),
- 'Statistics' => new SpecialPage( 'Statistics' ),
- 'Random' => new SpecialPage( 'Randompage' ),
- 'Lonelypages' => new SpecialPage( 'Lonelypages' ),
- 'Uncategorizedpages'=> new SpecialPage( 'Uncategorizedpages' ),
- 'Uncategorizedcategories'=> new SpecialPage( 'Uncategorizedcategories' ),
- 'Unusedcategories' => new SpecialPage( 'Unusedcategories' ),
- 'Unusedimages' => new SpecialPage( 'Unusedimages' ),
- 'Wantedpages' => new IncludableSpecialPage( 'Wantedpages' ),
- 'Wantedcategories' => new SpecialPage( 'Wantedcategories' ),
- 'Mostlinked' => new SpecialPage( 'Mostlinked' ),
- 'Mostlinkedcategories' => new SpecialPage( 'Mostlinkedcategories' ),
- 'Mostcategories' => new SpecialPage( 'Mostcategories' ),
- 'Mostimages' => new SpecialPage( 'Mostimages' ),
- 'Mostrevisions' => new SpecialPage( 'Mostrevisions' ),
- 'Shortpages' => new SpecialPage( 'Shortpages' ),
- 'Longpages' => new SpecialPage( 'Longpages' ),
- 'Newpages' => new IncludableSpecialPage( 'Newpages' ),
- 'Ancientpages' => new SpecialPage( 'Ancientpages' ),
- 'Deadendpages' => new SpecialPage( 'Deadendpages' ),
- 'Allpages' => new IncludableSpecialPage( 'Allpages' ),
- 'Prefixindex' => new IncludableSpecialPage( 'Prefixindex' ) ,
- 'Ipblocklist' => new SpecialPage( 'Ipblocklist' ),
- 'Specialpages' => new UnlistedSpecialPage( 'Specialpages' ),
- 'Contributions' => new UnlistedSpecialPage( 'Contributions' ),
- 'Emailuser' => new UnlistedSpecialPage( 'Emailuser' ),
- 'Whatlinkshere' => new UnlistedSpecialPage( 'Whatlinkshere' ),
- 'Recentchangeslinked' => new UnlistedSpecialPage( 'Recentchangeslinked' ),
- 'Movepage' => new UnlistedSpecialPage( 'Movepage' ),
- 'Blockme' => new UnlistedSpecialPage( 'Blockme' ),
- 'Booksources' => new SpecialPage( 'Booksources' ),
- 'Categories' => new SpecialPage( 'Categories' ),
- 'Export' => new SpecialPage( 'Export' ),
- 'Version' => new SpecialPage( 'Version' ),
- 'Allmessages' => new SpecialPage( 'Allmessages' ),
- 'Log' => new SpecialPage( 'Log' ),
- 'Blockip' => new SpecialPage( 'Blockip', 'block' ),
- 'Undelete' => new SpecialPage( 'Undelete', 'deletedhistory' ),
- "Import" => new SpecialPage( "Import", 'import' ),
- 'Lockdb' => new SpecialPage( 'Lockdb', 'siteadmin' ),
- 'Unlockdb' => new SpecialPage( 'Unlockdb', 'siteadmin' ),
- 'Userrights' => new SpecialPage( 'Userrights', 'userrights' ),
- 'MIMEsearch' => new SpecialPage( 'MIMEsearch' ),
- 'Unwatchedpages' => new SpecialPage( 'Unwatchedpages', 'unwatchedpages' ),
- 'Listredirects' => new SpecialPage( 'Listredirects' ),
- 'Revisiondelete' => new SpecialPage( 'Revisiondelete', 'deleterevision' ),
- 'Unusedtemplates' => new SpecialPage( 'Unusedtemplates' ),
- 'Randomredirect' => new SpecialPage( 'Randomredirect' ),
-);
-
-if( !$wgDisableCounters ) {
- $wgSpecialPages['Popularpages'] = new SpecialPage( 'Popularpages' );
-}
-
-if( !$wgDisableInternalSearch ) {
- $wgSpecialPages['Search'] = new SpecialPage( 'Search' );
-}
-
-if( $wgEmailAuthentication ) {
- $wgSpecialPages['Confirmemail'] = new UnlistedSpecialPage( 'Confirmemail' );
-}
/**
* Parent special page class, also static functions for handling the special
- * page list
- * @package MediaWiki
+ * page list.
+ * @addtogroup SpecialPage
*/
class SpecialPage
{
* @access private
*/
/**
- * The name of the class, used in the URL.
+ * The canonical name of this special page
* Also used for the default <h1> heading, @see getDescription()
*/
- private $mName;
+ var $mName;
+ /**
+ * The local name of this special page
+ */
+ var $mLocalName;
/**
* Minimum user level required to access this page, or "" for anyone.
* Also used to categorise the pages in Special:Specialpages
*/
- private $mRestriction;
+ var $mRestriction;
/**
* Listed in Special:Specialpages?
*/
- private $mListed;
+ var $mListed;
/**
* Function name called by the default execute()
*/
- private $mFunction;
+ var $mFunction;
/**
* File which needs to be included before the function above can be called
*/
- private $mFile;
+ var $mFile;
/**
* Whether or not this special page is being included from an article
*/
- private $mIncluding;
+ var $mIncluding;
/**
* Whether the special page can be included in an article
*/
- private $mIncludable;
+ var $mIncludable;
+ /**
+ * Query parameters that can be passed through redirects
+ */
+ var $mAllowedRedirectParams = array();
+
+ static public $mList = array(
+ 'DoubleRedirects' => array( 'SpecialPage', 'DoubleRedirects' ),
+ 'BrokenRedirects' => array( 'SpecialPage', 'BrokenRedirects' ),
+ 'Disambiguations' => array( 'SpecialPage', 'Disambiguations' ),
+
+ 'Userlogin' => array( 'SpecialPage', 'Userlogin' ),
+ 'Userlogout' => array( 'UnlistedSpecialPage', 'Userlogout' ),
+ 'Preferences' => array( 'SpecialPage', 'Preferences' ),
+ 'Watchlist' => array( 'SpecialPage', 'Watchlist' ),
+
+ 'Recentchanges' => array( 'IncludableSpecialPage', 'Recentchanges' ),
+ 'Upload' => array( 'SpecialPage', 'Upload' ),
+ 'Imagelist' => array( 'SpecialPage', 'Imagelist' ),
+ 'Newimages' => array( 'IncludableSpecialPage', 'Newimages' ),
+ 'Listusers' => array( 'SpecialPage', 'Listusers' ),
+ 'Statistics' => array( 'SpecialPage', 'Statistics' ),
+ 'Randompage' => 'Randompage',
+ 'Lonelypages' => array( 'SpecialPage', 'Lonelypages' ),
+ 'Uncategorizedpages' => array( 'SpecialPage', 'Uncategorizedpages' ),
+ 'Uncategorizedcategories' => array( 'SpecialPage', 'Uncategorizedcategories' ),
+ 'Uncategorizedimages' => array( 'SpecialPage', 'Uncategorizedimages' ),
+ 'Uncategorizedtemplates' => array( 'SpecialPage', 'Uncategorizedtemplates' ),
+ 'Unusedcategories' => array( 'SpecialPage', 'Unusedcategories' ),
+ 'Unusedimages' => array( 'SpecialPage', 'Unusedimages' ),
+ 'Wantedpages' => array( 'IncludableSpecialPage', 'Wantedpages' ),
+ 'Wantedcategories' => array( 'SpecialPage', 'Wantedcategories' ),
+ 'Mostlinked' => array( 'SpecialPage', 'Mostlinked' ),
+ 'Mostlinkedcategories' => array( 'SpecialPage', 'Mostlinkedcategories' ),
+ 'Mostlinkedtemplates' => array( 'SpecialPage', 'Mostlinkedtemplates' ),
+ 'Mostcategories' => array( 'SpecialPage', 'Mostcategories' ),
+ 'Mostimages' => array( 'SpecialPage', 'Mostimages' ),
+ 'Mostrevisions' => array( 'SpecialPage', 'Mostrevisions' ),
+ 'Fewestrevisions' => array( 'SpecialPage', 'Fewestrevisions' ),
+ 'Shortpages' => array( 'SpecialPage', 'Shortpages' ),
+ 'Longpages' => array( 'SpecialPage', 'Longpages' ),
+ 'Newpages' => array( 'IncludableSpecialPage', 'Newpages' ),
+ 'Ancientpages' => array( 'SpecialPage', 'Ancientpages' ),
+ 'Deadendpages' => array( 'SpecialPage', 'Deadendpages' ),
+ 'Protectedpages' => array( 'SpecialPage', 'Protectedpages' ),
+ 'Protectedtitles' => array( 'SpecialPage', 'Protectedtitles' ),
+ 'Allpages' => array( 'IncludableSpecialPage', 'Allpages' ),
+ 'Prefixindex' => array( 'IncludableSpecialPage', 'Prefixindex' ) ,
+ 'Ipblocklist' => array( 'SpecialPage', 'Ipblocklist' ),
+ 'Specialpages' => array( 'UnlistedSpecialPage', 'Specialpages' ),
+ 'Contributions' => array( 'SpecialPage', 'Contributions' ),
+ 'Emailuser' => array( 'UnlistedSpecialPage', 'Emailuser' ),
+ 'Whatlinkshere' => array( 'SpecialPage', 'Whatlinkshere' ),
+ 'Recentchangeslinked' => array( 'UnlistedSpecialPage', 'Recentchangeslinked' ),
+ 'Movepage' => array( 'UnlistedSpecialPage', 'Movepage' ),
+ 'Blockme' => array( 'UnlistedSpecialPage', 'Blockme' ),
+ 'Resetpass' => array( 'UnlistedSpecialPage', 'Resetpass' ),
+ 'Booksources' => 'SpecialBookSources',
+ 'Categories' => array( 'SpecialPage', 'Categories' ),
+ 'Export' => array( 'SpecialPage', 'Export' ),
+ 'Version' => array( 'SpecialPage', 'Version' ),
+ 'Allmessages' => array( 'SpecialPage', 'Allmessages' ),
+ 'Log' => array( 'SpecialPage', 'Log' ),
+ 'Blockip' => array( 'SpecialPage', 'Blockip', 'block' ),
+ 'Undelete' => array( 'SpecialPage', 'Undelete', 'deletedhistory' ),
+ 'Import' => array( 'SpecialPage', 'Import', 'import' ),
+ 'Lockdb' => array( 'SpecialPage', 'Lockdb', 'siteadmin' ),
+ 'Unlockdb' => array( 'SpecialPage', 'Unlockdb', 'siteadmin' ),
+ 'Userrights' => 'UserrightsPage',
+ 'MIMEsearch' => array( 'SpecialPage', 'MIMEsearch' ),
+ 'Unwatchedpages' => array( 'SpecialPage', 'Unwatchedpages', 'unwatchedpages' ),
+ 'Listredirects' => array( 'SpecialPage', 'Listredirects' ),
+ 'Revisiondelete' => array( 'UnlistedSpecialPage', 'Revisiondelete', 'deleterevision' ),
+ 'Unusedtemplates' => array( 'SpecialPage', 'Unusedtemplates' ),
+ 'Randomredirect' => 'SpecialRandomredirect',
+ 'Withoutinterwiki' => array( 'SpecialPage', 'Withoutinterwiki' ),
+
+ 'Mypage' => array( 'SpecialMypage' ),
+ 'Mytalk' => array( 'SpecialMytalk' ),
+ 'Mycontributions' => array( 'SpecialMycontributions' ),
+ 'Listadmins' => array( 'SpecialRedirectToSpecial', 'Listadmins', 'Listusers', 'sysop' ),
+ 'MergeHistory' => array( 'SpecialPage', 'MergeHistory', 'mergehistory' ),
+ 'Listbots' => array( 'SpecialRedirectToSpecial', 'Listbots', 'Listusers', 'bot' ),
+ );
+
+ static public $mAliases;
+ static public $mListInitialised = false;
/**#@-*/
+ /**
+ * Initialise the special page list
+ * This must be called before accessing SpecialPage::$mList
+ */
+ static function initList() {
+ global $wgSpecialPages;
+ global $wgDisableCounters, $wgDisableInternalSearch, $wgEmailAuthentication;
+
+ if ( self::$mListInitialised ) {
+ return;
+ }
+ wfProfileIn( __METHOD__ );
+
+ # Better to set this now, to avoid infinite recursion in carelessly written hooks
+ self::$mListInitialised = true;
+
+ if( !$wgDisableCounters ) {
+ self::$mList['Popularpages'] = array( 'SpecialPage', 'Popularpages' );
+ }
+
+ if( !$wgDisableInternalSearch ) {
+ self::$mList['Search'] = array( 'SpecialPage', 'Search' );
+ }
+
+ if( $wgEmailAuthentication ) {
+ self::$mList['Confirmemail'] = 'EmailConfirmation';
+ }
+
+ # Add extension special pages
+ self::$mList = array_merge( self::$mList, $wgSpecialPages );
+
+ # Run hooks
+ # This hook can be used to remove undesired built-in special pages
+ wfRunHooks( 'SpecialPage_initList', array( &self::$mList ) );
+ wfProfileOut( __METHOD__ );
+ }
+
+ static function initAliasList() {
+ if ( !is_null( self::$mAliases ) ) {
+ return;
+ }
+
+ global $wgContLang;
+ $aliases = $wgContLang->getSpecialPageAliases();
+ $missingPages = self::$mList;
+ self::$mAliases = array();
+ foreach ( $aliases as $realName => $aliasList ) {
+ foreach ( $aliasList as $alias ) {
+ self::$mAliases[$wgContLang->caseFold( $alias )] = $realName;
+ }
+ unset( $missingPages[$realName] );
+ }
+ foreach ( $missingPages as $name => $stuff ) {
+ self::$mAliases[$wgContLang->caseFold( $name )] = $name;
+ }
+ }
+
+ /**
+ * Given a special page alias, return the special page name.
+ * Returns false if there is no such alias.
+ */
+ static function resolveAlias( $alias ) {
+ global $wgContLang;
+
+ if ( !self::$mListInitialised ) self::initList();
+ if ( is_null( self::$mAliases ) ) self::initAliasList();
+ $caseFoldedAlias = $wgContLang->caseFold( $alias );
+ if ( isset( self::$mAliases[$caseFoldedAlias] ) ) {
+ return self::$mAliases[$caseFoldedAlias];
+ } else {
+ return false;
+ }
+ }
+
+ /**
+ * Given a special page name with a possible subpage, return an array
+ * where the first element is the special page name and the second is the
+ * subpage.
+ */
+ static function resolveAliasWithSubpage( $alias ) {
+ $bits = explode( '/', $alias, 2 );
+ $name = self::resolveAlias( $bits[0] );
+ if( !isset( $bits[1] ) ) { // bug 2087
+ $par = NULL;
+ } else {
+ $par = $bits[1];
+ }
+ return array( $name, $par );
+ }
/**
- * Add a page to the list of valid special pages
- * $obj->execute() must send HTML to $wgOut then return
- * Use this for a special page extension
+ * Add a page to the list of valid special pages. This used to be the preferred
+ * method for adding special pages in extensions. It's now suggested that you add
+ * an associative record to $wgSpecialPages. This avoids autoloading SpecialPage.
+ *
+ * @param mixed $page Must either be an array specifying a class name and
+ * constructor parameters, or an object. The object,
+ * when constructed, must have an execute() method which
+ * sends HTML to $wgOut.
* @static
*/
- function addPage( &$obj ) {
- global $wgSpecialPages;
- $wgSpecialPages[$obj->mName] = $obj;
+ static function addPage( &$page ) {
+ if ( !self::$mListInitialised ) {
+ self::initList();
+ }
+ self::$mList[$page->mName] = $page;
}
/**
* Remove a special page from the list
- * Occasionally used to disable expensive or dangerous special pages
+ * Formerly used to disable expensive or dangerous special pages. The
+ * preferred method is now to add a SpecialPage_initList hook.
+ *
* @static
*/
- function removePage( $name ) {
- global $wgSpecialPages;
- unset( $wgSpecialPages[$name] );
+ static function removePage( $name ) {
+ if ( !self::$mListInitialised ) {
+ self::initList();
+ }
+ unset( self::$mList[$name] );
+ }
+
+ /**
+ * Check if a given name exist as a special page or as a special page alias
+ * @param $name string: name of a special page
+ * @return boolean: true if a special page exists with this name
+ */
+ static function exists( $name ) {
+ global $wgContLang;
+ if ( !self::$mListInitialised ) {
+ self::initList();
+ }
+ if( !self::$mAliases ) {
+ self::initAliasList();
+ }
+
+ # Remove special pages inline parameters:
+ $bits = explode( '/', $name );
+ $name = $wgContLang->caseFold($bits[0]);
+
+ return
+ array_key_exists( $name, self::$mList )
+ or array_key_exists( $name, self::$mAliases )
+ ;
}
/**
* @static
* @param string $name
*/
- function getPage( $name ) {
- global $wgSpecialPages;
- if ( array_key_exists( $name, $wgSpecialPages ) ) {
- return $wgSpecialPages[$name];
+ static function getPage( $name ) {
+ if ( !self::$mListInitialised ) {
+ self::initList();
+ }
+ if ( array_key_exists( $name, self::$mList ) ) {
+ $rec = self::$mList[$name];
+ if ( is_string( $rec ) ) {
+ $className = $rec;
+ self::$mList[$name] = new $className;
+ } elseif ( is_array( $rec ) ) {
+ $className = array_shift( $rec );
+ self::$mList[$name] = wfCreateObject( $className, $rec );
+ }
+ return self::$mList[$name];
} else {
return NULL;
}
}
/**
- * @static
- * @param string $name
- * @return mixed Title object if the redirect exists, otherwise NULL
+ * Get a special page with a given localised name, or NULL if there
+ * is no such special page.
*/
- function getRedirect( $name ) {
- global $wgUser;
-
- $redirects = array(
- 'Mypage' => Title::makeTitle( NS_USER, $wgUser->getName() ),
- 'Mytalk' => Title::makeTitle( NS_USER_TALK, $wgUser->getName() ),
- 'Mycontributions' => Title::makeTitle( NS_SPECIAL, 'Contributions/' . $wgUser->getName() ),
- 'Listadmins' => Title::makeTitle( NS_SPECIAL, 'Listusers/sysop' ), # @bug 2832
- 'Randompage' => Title::makeTitle( NS_SPECIAL, 'Random' ),
- 'Userlist' => Title::makeTitle( NS_SPECIAL, 'Listusers' )
- );
- wfRunHooks( 'SpecialPageGetRedirect', array( &$redirects ) );
-
- return isset( $redirects[$name] ) ? $redirects[$name] : null;
+ static function getPageByAlias( $alias ) {
+ $realName = self::resolveAlias( $alias );
+ if ( $realName ) {
+ return self::getPage( $realName );
+ } else {
+ return NULL;
+ }
}
/**
- * Return part of the request string for a special redirect page
- * This allows passing, e.g. action=history to Special:Mypage, etc.
- *
- * @param $name Name of the redirect page
- * @return string
+ * Return categorised listable special pages for all users
+ * @static
*/
- function getRedirectParams( $name ) {
- global $wgRequest;
-
- $args = array();
- switch( $name ) {
- case 'Mypage':
- case 'Mytalk':
- case 'Randompage':
- $args = array( 'action' );
+ static function getRegularPages() {
+ if ( !self::$mListInitialised ) {
+ self::initList();
}
-
- $params = array();
- foreach( $args as $arg ) {
- if( $val = $wgRequest->getVal( $arg, false ) )
- $params[] = $arg . '=' . $val;
+ $pages = array();
+
+ foreach ( self::$mList as $name => $rec ) {
+ $page = self::getPage( $name );
+ if ( $page->isListed() && !$page->isRestricted() ) {
+ $pages[$name] = $page;
+ }
}
-
- return count( $params ) ? implode( '&', $params ) : false;
- }
+ return $pages;
+ }
/**
- * Return categorised listable special pages
- * Returns a 2d array where the first index is the restriction name
+ * Return categorised listable special pages which are available
+ * for the current user, but not for everyone
* @static
*/
- function getPages() {
- global $wgSpecialPages;
- $pages = array(
- '' => array(),
- 'sysop' => array(),
- 'developer' => array()
- );
-
- foreach ( $wgSpecialPages as $name => $page ) {
- if ( $page->isListed() ) {
- $pages[$page->getRestriction()][$page->getName()] =& $wgSpecialPages[$name];
+ static function getRestrictedPages() {
+ global $wgUser;
+ if ( !self::$mListInitialised ) {
+ self::initList();
+ }
+ $pages = array();
+
+ foreach ( self::$mList as $name => $rec ) {
+ $page = self::getPage( $name );
+ if (
+ $page->isListed()
+ and $page->isRestricted()
+ and $page->userCanExecute( $wgUser )
+ ) {
+ $pages[$name] = $page;
}
}
return $pages;
* @param $title a title object
* @param $including output is being captured for use in {{special:whatever}}
*/
- function executePath( &$title, $including = false ) {
- global $wgOut, $wgTitle;
- $fname = 'SpecialPage::executePath';
- wfProfileIn( $fname );
+ static function executePath( &$title, $including = false ) {
+ global $wgOut, $wgTitle, $wgRequest;
+ wfProfileIn( __METHOD__ );
- $bits = split( "/", $title->getDBkey(), 2 );
+ # FIXME: redirects broken due to this call
+ $bits = explode( '/', $title->getDBkey(), 2 );
$name = $bits[0];
if( !isset( $bits[1] ) ) { // bug 2087
$par = NULL;
} else {
$par = $bits[1];
}
-
- $page = SpecialPage::getPage( $name );
- if ( is_null( $page ) ) {
- if ( $including ) {
- wfProfileOut( $fname );
- return false;
- } else {
- $redir = SpecialPage::getRedirect( $name );
- if ( isset( $redir ) ) {
- if( $par )
- $redir = Title::makeTitle( $redir->getNamespace(), $redir->getText() . '/' . $par );
- $params = SpecialPage::getRedirectParams( $name );
- if( $params ) {
- $url = $redir->getFullUrl( $params );
- } else {
- $url = $redir->getFullUrl();
- }
- $wgOut->redirect( $url );
- $retVal = $redir;
- $wgOut->redirect( $url );
- $retVal = $redir;
- } else {
- $wgOut->setArticleRelated( false );
- $wgOut->setRobotpolicy( 'noindex,follow' );
- $wgOut->setStatusCode( 404 );
- $wgOut->errorpage( 'nosuchspecialpage', 'nospecialpagetext' );
- $retVal = false;
- }
+ $page = SpecialPage::getPageByAlias( $name );
+ # Nonexistent?
+ if ( !$page ) {
+ if ( !$including ) {
+ $wgOut->setArticleRelated( false );
+ $wgOut->setRobotpolicy( 'noindex,nofollow' );
+ $wgOut->setStatusCode( 404 );
+ $wgOut->showErrorPage( 'nosuchspecialpage', 'nospecialpagetext' );
}
- } else {
- if ( $including && !$page->includable() ) {
- wfProfileOut( $fname );
- return false;
- } elseif ( !$including ) {
- if($par !== NULL) {
- $wgTitle = Title::makeTitle( NS_SPECIAL, $name );
- } else {
- $wgTitle = $title;
- }
+ wfProfileOut( __METHOD__ );
+ return false;
+ }
+
+ # Check for redirect
+ if ( !$including ) {
+ $redirect = $page->getRedirect( $par );
+ if ( $redirect ) {
+ $query = $page->getRedirectQuery();
+ $url = $redirect->getFullUrl( $query );
+ $wgOut->redirect( $url );
+ wfProfileOut( __METHOD__ );
+ return $redirect;
}
- $page->including( $including );
+ }
+
+ # Redirect to canonical alias for GET commands
+ # Not for POST, we'd lose the post data, so it's best to just distribute
+ # the request. Such POST requests are possible for old extensions that
+ # generate self-links without being aware that their default name has
+ # changed.
+ if ( !$including && $name != $page->getLocalName() && !$wgRequest->wasPosted() ) {
+ $query = $_GET;
+ unset( $query['title'] );
+ $query = wfArrayToCGI( $query );
+ $title = $page->getTitle( $par );
+ $url = $title->getFullUrl( $query );
+ $wgOut->redirect( $url );
+ wfProfileOut( __METHOD__ );
+ return $redirect;
+ }
- $profName = 'Special:' . $page->getName();
- wfProfileIn( $profName );
- $page->execute( $par );
- wfProfileOut( $profName );
- $retVal = true;
+ if ( $including && !$page->includable() ) {
+ wfProfileOut( __METHOD__ );
+ return false;
+ } elseif ( !$including ) {
+ $wgTitle = $page->getTitle();
}
- wfProfileOut( $fname );
- return $retVal;
+ $page->including( $including );
+
+ // Execute special page
+ $profName = 'Special:' . $page->getName();
+ wfProfileIn( $profName );
+ $page->execute( $par );
+ wfProfileOut( $profName );
+ wfProfileOut( __METHOD__ );
+ return true;
}
/**
* a redirect.
* @static
*/
- function capturePath( &$title ) {
+ static function capturePath( &$title ) {
global $wgOut, $wgTitle;
$oldTitle = $wgTitle;
return $ret;
}
+ /**
+ * Get the local name for a specified canonical name
+ *
+ * @param $name
+ * @param mixed $subpage Boolean false, or string
+ *
+ * @return string
+ */
+ static function getLocalNameFor( $name, $subpage = false ) {
+ global $wgContLang;
+ $aliases = $wgContLang->getSpecialPageAliases();
+ if ( isset( $aliases[$name][0] ) ) {
+ $name = $aliases[$name][0];
+ }
+ if ( $subpage !== false && !is_null( $subpage ) ) {
+ $name = "$name/$subpage";
+ }
+ return $name;
+ }
+
+ /**
+ * Get a localised Title object for a specified special page name
+ */
+ static function getTitleFor( $name, $subpage = false ) {
+ $name = self::getLocalNameFor( $name, $subpage );
+ if ( $name ) {
+ return Title::makeTitle( NS_SPECIAL, $name );
+ } else {
+ throw new MWException( "Invalid special page name \"$name\"" );
+ }
+ }
+
+ /**
+ * Get a localised Title object for a page name with a possibly unvalidated subpage
+ */
+ static function getSafeTitleFor( $name, $subpage = false ) {
+ $name = self::getLocalNameFor( $name, $subpage );
+ if ( $name ) {
+ return Title::makeTitleSafe( NS_SPECIAL, $name );
+ } else {
+ return null;
+ }
+ }
+
+ /**
+ * Get a title for a given alias
+ * @return Title or null if there is no such alias
+ */
+ static function getTitleForAlias( $alias ) {
+ $name = self::resolveAlias( $alias );
+ if ( $name ) {
+ return self::getTitleFor( $name );
+ } else {
+ return null;
+ }
+ }
+
/**
* Default constructor for special pages
* Derivative classes should call this from their constructor
* and displayRestrictionError()
*
* @param string $name Name of the special page, as seen in links and URLs
- * @param string $restriction Minimum user level required, e.g. "sysop" or "developer".
+ * @param string $restriction User right required, e.g. "block" or "delete"
* @param boolean $listed Whether the page is listed in Special:Specialpages
* @param string $function Function called by execute(). By default it is constructed from $name
* @param string $file File which is included by execute(). It is also constructed from $name by default
$this->mFunction = $function;
}
if ( $file === 'default' ) {
- $this->mFile = "Special{$name}.php";
+ $this->mFile = dirname(__FILE__) . "/Special{$name}.php";
} else {
$this->mFile = $file;
}
/**#@-*/
/**
- * Checks if the given user (identified by an object) can execute this
- * special page (as defined by $mRestriction)
+ * Get the localised name of the special page
*/
- function userCanExecute( &$user ) {
- if ( $this->mRestriction == "" ) {
- return true;
- } else {
- if ( in_array( $this->mRestriction, $user->getRights() ) ) {
- return true;
- } else {
- return false;
- }
+ function getLocalName() {
+ if ( !isset( $this->mLocalName ) ) {
+ $this->mLocalName = self::getLocalNameFor( $this->mName );
}
+ return $this->mLocalName;
+ }
+
+ /**
+ * Can be overridden by subclasses with more complicated permissions
+ * schemes.
+ *
+ * @return bool Should the page be displayed with the restricted-access
+ * pages?
+ */
+ public function isRestricted() {
+ return $this->mRestriction != '';
+ }
+
+ /**
+ * Checks if the given user (identified by an object) can execute this
+ * special page (as defined by $mRestriction). Can be overridden by sub-
+ * classes with more complicated permissions schemes.
+ *
+ * @param User $user The user to check
+ * @return bool Does the user have permission to view the page?
+ */
+ public function userCanExecute( $user ) {
+ return $user->isAllowed( $this->mRestriction );
}
/**
function setHeaders() {
global $wgOut;
$wgOut->setArticleRelated( false );
- $wgOut->setRobotPolicy( "noindex,follow" );
+ $wgOut->setRobotPolicy( "noindex,nofollow" );
$wgOut->setPageTitle( $this->getDescription() );
}
/**
* Default execute method
* Checks user permissions, calls the function given in mFunction
+ *
+ * This may be overridden by subclasses.
*/
function execute( $par ) {
global $wgUser;
if ( $this->userCanExecute( $wgUser ) ) {
$func = $this->mFunction;
// only load file if the function does not exist
- if(!function_exists($func) and $this->mFile) {
+ if(!is_callable($func) and $this->mFile) {
require_once( $this->mFile );
}
+ # FIXME: these hooks are broken for extensions and anything else that subclasses SpecialPage.
if ( wfRunHooks( 'SpecialPageExecuteBeforeHeader', array( &$this, &$par, &$func ) ) )
$this->outputHeader();
if ( ! wfRunHooks( 'SpecialPageExecuteBeforePage', array( &$this, &$par, &$func ) ) )
return;
- $func( $par, $this );
+ call_user_func( $func, $par, $this );
if ( ! wfRunHooks( 'SpecialPageExecuteAfterPage', array( &$this, &$par, &$func ) ) )
return;
} else {
/**
* Get a self-referential title object
*/
- function getTitle() {
- return Title::makeTitle( NS_SPECIAL, $this->mName );
+ function getTitle( $subpage = false) {
+ return self::getTitleFor( $this->mName, $subpage );
}
/**
return wfSetVar( $this->mListed, $listed );
}
+ /**
+ * If the special page is a redirect, then get the Title object it redirects to.
+ * False otherwise.
+ */
+ function getRedirect( $subpage ) {
+ return false;
+ }
+
+ /**
+ * Return part of the request string for a special redirect page
+ * This allows passing, e.g. action=history to Special:Mypage, etc.
+ *
+ * @return string
+ */
+ function getRedirectQuery() {
+ global $wgRequest;
+ $params = array();
+ foreach( $this->mAllowedRedirectParams as $arg ) {
+ if( $val = $wgRequest->getVal( $arg, false ) )
+ $params[] = $arg . '=' . $val;
+ }
+
+ return count( $params ) ? implode( '&', $params ) : false;
+ }
}
/**
* Shortcut to construct a special page which is unlisted by default
- * @package MediaWiki
+ * @addtogroup SpecialPage
*/
class UnlistedSpecialPage extends SpecialPage
{
/**
* Shortcut to construct an includable special page
- * @package MediaWiki
+ * @addtogroup SpecialPage
*/
class IncludableSpecialPage extends SpecialPage
{
SpecialPage::SpecialPage( $name, $restriction, $listed, $function, $file, true );
}
}
-?>
+
+/**
+ * Shortcut to construct a special page alias.
+ * @addtogroup SpecialPage
+ */
+class SpecialRedirectToSpecial extends UnlistedSpecialPage {
+ var $redirName, $redirSubpage;
+
+ function __construct( $name, $redirName, $redirSubpage = false, $redirectParams = array() ) {
+ parent::__construct( $name );
+ $this->redirName = $redirName;
+ $this->redirSubpage = $redirSubpage;
+ $this->mAllowedRedirectParams = $redirectParams;
+ }
+
+ function getRedirect( $subpage ) {
+ if ( $this->redirSubpage === false ) {
+ return SpecialPage::getTitleFor( $this->redirName, $subpage );
+ } else {
+ return SpecialPage::getTitleFor( $this->redirName, $this->redirSubpage );
+ }
+ }
+}
+
+/** SpecialMypage, SpecialMytalk and SpecialMycontributions special pages
+ * are used to get user independant links pointing to the user page, talk
+ * page and list of contributions.
+ * This can let us cache a single copy of any generated content for all
+ * users.
+ */
+
+/**
+ * Shortcut to construct a special page pointing to current user user's page.
+ * @addtogroup SpecialPage
+ */
+class SpecialMypage extends UnlistedSpecialPage {
+ function __construct() {
+ parent::__construct( 'Mypage' );
+ $this->mAllowedRedirectParams = array( 'action' , 'preload' , 'editintro' );
+ }
+
+ function getRedirect( $subpage ) {
+ global $wgUser;
+ if ( strval( $subpage ) !== '' ) {
+ return Title::makeTitle( NS_USER, $wgUser->getName() . '/' . $subpage );
+ } else {
+ return Title::makeTitle( NS_USER, $wgUser->getName() );
+ }
+ }
+}
+
+/**
+ * Shortcut to construct a special page pointing to current user talk page.
+ * @addtogroup SpecialPage
+ */
+class SpecialMytalk extends UnlistedSpecialPage {
+ function __construct() {
+ parent::__construct( 'Mytalk' );
+ $this->mAllowedRedirectParams = array( 'action' , 'preload' , 'editintro' );
+ }
+
+ function getRedirect( $subpage ) {
+ global $wgUser;
+ if ( strval( $subpage ) !== '' ) {
+ return Title::makeTitle( NS_USER_TALK, $wgUser->getName() . '/' . $subpage );
+ } else {
+ return Title::makeTitle( NS_USER_TALK, $wgUser->getName() );
+ }
+ }
+}
+
+/**
+ * Shortcut to construct a special page pointing to current user contributions.
+ * @addtogroup SpecialPage
+ */
+class SpecialMycontributions extends UnlistedSpecialPage {
+ function __construct() {
+ parent::__construct( 'Mycontributions' );
+ }
+
+ function getRedirect( $subpage ) {
+ global $wgUser;
+ return SpecialPage::getTitleFor( 'Contributions', $wgUser->getName() );
+ }
+}