<?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.
+ *
+ * To add a special page at run-time, use SpecialPage::addPage().
+ * DO NOT manipulate this array at run-time.
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+
+/**
+ *
+ */
+global $wgSpecialPages, $wgUser;
+
+/**
+ * @access private
+ */
$wgSpecialPages = array(
- "Userlogin" => new UnlistedSpecialPage( "Userlogin" ),
- "Userlogout" => new UnlistedSpecialPage( "Userlogout" ),
- "Preferences" => new SpecialPage( "Preferences" ),
- "Watchlist" => new SpecialPage( "Watchlist" ),
- "Recentchanges" => new SpecialPage( "Recentchanges" ),
- "Upload" => new SpecialPage( "Upload" ),
- "Imagelist" => new SpecialPage( "Imagelist" ),
- "Listusers" => new SpecialPage( "Listusers" ),
- "Listadmins" => new SpecialPage( "Listadmins" ),
- "Statistics" => new SpecialPage( "Statistics" ),
- "Randompage" => new SpecialPage( "Randompage" ),
- "Lonelypages" => new SpecialPage( "Lonelypages" ),
- "Unusedimages" => new SpecialPage( "Unusedimages" ),
- "Popularpages" => new SpecialPage( "Popularpages" ),
- "Wantedpages" => new SpecialPage( "Wantedpages" ),
- "Shortpages" => new SpecialPage( "Shortpages" ),
- "Longpages" => new SpecialPage( "Longpages" ),
- "Newpages" => new SpecialPage( "Newpages" ),
- "Ancientpages" => new SpecialPage( "Ancientpages" ),
- "Deadendpages" => new SpecialPage( "Deadendpages" ),
- "Allpages" => new SpecialPage( "Allpages" ),
- "Ipblocklist" => new SpecialPage( "Ipblocklist" ),
- "Maintenance" => new SpecialPage( "Maintenance" ),
- "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" ),
- "Search" => new UnlistedSpecialPage( "Search" ),
- "Blockip" => new SpecialPage( "Blockip", "sysop" ),
- "Asksql" => new SpecialPage( "Asksql", "sysop" ),
- "Undelete" => new SpecialPage( "Undelete", "sysop" ),
- "Makesysop" => new SpecialPage( "Makesysop", "sysop" ),
- "Import" => new SpecialPage( "Import", "sysop" ),
- "Lockdb" => new SpecialPage( "Lockdb", "developer" ),
- "Unlockdb" => new SpecialPage( "Unlockdb", "developer" )
+ '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 SpecialPage( '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 SpecialPage( 'Wantedpages' ),
+ 'Shortpages' => new SpecialPage( 'Shortpages' ),
+ 'Longpages' => new SpecialPage( 'Longpages' ),
+ 'Newpages' => new IncludableSpecialPage( 'Newpages' ),
+ 'Ancientpages' => new SpecialPage( 'Ancientpages' ),
+ 'Deadendpages' => new SpecialPage( 'Deadendpages' ),
+ 'Allpages' => new IncludableSpecialPage( 'Allpages' ),
+ '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', 'delete' ),
+ "Import" => new SpecialPage( "Import", 'import' ),
+ 'Lockdb' => new SpecialPage( 'Lockdb', 'siteadmin' ),
+ 'Unlockdb' => new SpecialPage( 'Unlockdb', 'siteadmin' ),
+ 'Userrights' => new SpecialPage( 'Userrights', 'userrights' ),
);
+global $wgUseValidation ;
+if ( $wgUseValidation )
+ $wgSpecialPages['Validate'] = new SpecialPage( 'Validate' );
+
+global $wgDisableCounters;
+if( !$wgDisableCounters ) {
+ $wgSpecialPages['Popularpages'] = new SpecialPage( 'Popularpages' );
+}
+
+global $wgDisableInternalSearch;
+if( !$wgDisableInternalSearch ) {
+ $wgSpecialPages['Search'] = new UnlistedSpecialPage( 'Search' );
+}
+
+global $wgEmailAuthentication;
+if( $wgEmailAuthentication ) {
+ $wgSpecialPages['Confirmemail'] = new UnlistedSpecialPage( 'Confirmemail' );
+}
+
+/**
+ * Parent special page class, also static functions for handling the special
+ * page list
+ * @package MediaWiki
+ */
class SpecialPage
{
- /* private */ var $mName, $mRestriction, $mListed, $mFunction, $mFile;
+ /**#@+
+ * @access private
+ */
+ /**
+ * The name of the class, used in the URL.
+ * Also used for the default <h1> heading, @see getDescription()
+ */
+ var $mName;
+ /**
+ * Minimum user level required to access this page, or "" for anyone.
+ * Also used to categorise the pages in Special:Specialpages
+ */
+ var $mRestriction;
+ /**
+ * Listed in Special:Specialpages?
+ */
+ var $mListed;
+ /**
+ * Function name called by the default execute()
+ */
+ var $mFunction;
+ /**
+ * File which needs to be included before the function above can be called
+ */
+ var $mFile;
+ /**
+ * Whether or not this special page is being included from an article
+ */
+ var $mIncluding;
+ /**
+ * Whether the special page can be included in an article
+ */
+ var $mIncludable;
- /* static */ function addPage( &$obj ) {
+
+ /**#@-*/
+
+
+ /**
+ * Add a page to the list of valid special pages
+ * $obj->execute() must send HTML to $wgOut then return
+ * Use this for a special page extension
+ * @static
+ */
+ function addPage( &$obj ) {
global $wgSpecialPages;
$wgSpecialPages[$obj->mName] = $obj;
}
- /* static */ function removePage( $name ) {
+ /**
+ * Remove a special page from the list
+ * Occasionally used to disable expensive or dangerous special pages
+ * @static
+ */
+ function removePage( $name ) {
global $wgSpecialPages;
unset( $wgSpecialPages[$name] );
}
- /* static */ function &getPage( $name ) {
+ /**
+ * Find the object with a given name and return it (or NULL)
+ * @static
+ * @param string $name
+ */
+ function &getPage( $name ) {
global $wgSpecialPages;
if ( array_key_exists( $name, $wgSpecialPages ) ) {
return $wgSpecialPages[$name];
return NULL;
}
}
+
+ /**
+ * @static
+ * @param string $name
+ * @return mixed Title object if the redirect exists, otherwise NULL
+ */
+ function &getRedirect( $name ) {
+ global $wgUser;
+ switch ( $name ) {
+ case 'Mypage':
+ return Title::makeTitle( NS_USER, $wgUser->getName() );
+ case 'Mytalk':
+ return Title::makeTitle( NS_USER_TALK, $wgUser->getName() );
+ case 'Mycontributions':
+ return Title::makeTitle( NS_SPECIAL, 'Contributions/' . $wgUser->getName() );
+ case 'Listadmins':
+ return Title::makeTitle( NS_SPECIAL, 'Listusers' );
+ case 'Randompage':
+ return Title::makeTitle( NS_SPECIAL, 'Random' );
+ default:
+ return NULL;
+ }
+ }
- # Return categorised listable special pages
- /* static */ function getPages() {
+ /**
+ * Return categorised listable special pages
+ * Returns a 2d array where the first index is the restriction name
+ * @static
+ */
+ function getPages() {
global $wgSpecialPages;
$pages = array(
- "" => array(),
- "sysop" => array(),
- "developer" => array()
+ '' => array(),
+ 'sysop' => array(),
+ 'developer' => array()
);
foreach ( $wgSpecialPages as $name => $page ) {
return $pages;
}
- # Execute a special page path, which may contain slashes
- /* static */ function executePath( &$title ) {
+ /**
+ * Execute a special page path.
+ * The path may contain parameters, e.g. Special:Name/Params
+ * Extracts the special page name and call the execute method, passing the parameters
+ *
+ * Returns a title object if the page is redirected, false if there was no such special
+ * page, and true if it was successful.
+ *
+ * @param $title a title object
+ * @param $including output is being captured for use in {{special:whatever}}
+ */
+ function executePath( &$title, $including = false ) {
global $wgSpecialPages, $wgOut, $wgTitle;
$bits = split( "/", $title->getDBkey(), 2 );
$name = $bits[0];
- if( empty( $bits[1] ) ) {
+ if( !isset( $bits[1] ) ) { // bug 2087
$par = NULL;
} else {
$par = $bits[1];
$page =& SpecialPage::getPage( $name );
if ( is_null( $page ) ) {
- $wgOut->setArticleRelated( false );
- $wgOut->setRobotpolicy( "noindex,follow" );
- $wgOut->errorpage( "nosuchspecialpage", "nospecialpagetext" );
+ if ( $including ) {
+ return false;
+ } else {
+ $redir =& SpecialPage::getRedirect( $name );
+ if ( isset( $redir ) ) {
+ if ( isset( $par ) )
+ $wgOut->redirect( $redir->getFullURL() . '/' . $par );
+ else
+ $wgOut->redirect( $redir->getFullURL() );
+ $retVal = $redir;
+ } else {
+ $wgOut->setArticleRelated( false );
+ $wgOut->setRobotpolicy( "noindex,follow" );
+ $wgOut->errorpage( "nosuchspecialpage", "nospecialpagetext" );
+ $retVal = false;
+ }
+ }
} else {
+ if ( $including && !$page->includable() ) {
+ return false;
+ }
if($par !== NULL) {
$wgTitle = Title::makeTitle( NS_SPECIAL, $name );
} else {
$wgTitle = $title;
}
+ $page->including( $including );
$page->execute( $par );
+ $retVal = true;
+ }
+ return $retVal;
+ }
+
+ /**
+ * Just like executePath() except it returns the HTML instead of outputting it
+ * Returns false if there was no such special page, or a title object if it was
+ * a redirect.
+ * @static
+ */
+ function capturePath( &$title ) {
+ global $wgOut, $wgTitle;
+
+ $oldTitle = $wgTitle;
+ $oldOut = $wgOut;
+ $wgOut = new OutputPage;
+
+ $ret = SpecialPage::executePath( $title, true );
+ if ( $ret === true ) {
+ $ret = $wgOut->getHTML();
}
+ $wgTitle = $oldTitle;
+ $wgOut = $oldOut;
+ return $ret;
}
- function SpecialPage( $name = "", $restriction = "", $listed = true, $function = false, $file = "default" ) {
+ /**
+ * Default constructor for special pages
+ * Derivative classes should call this from their constructor
+ * Note that if the user does not have the required level, an error message will
+ * be displayed by the default execute() method, without the global function ever
+ * being called.
+ *
+ * If you override execute(), you can recover the default behaviour with userCanExecute()
+ * 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 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
+ */
+ function SpecialPage( $name = '', $restriction = '', $listed = true, $function = false, $file = 'default', $includable = false ) {
$this->mName = $name;
$this->mRestriction = $restriction;
$this->mListed = $listed;
+ $this->mIncludable = $includable;
if ( $function == false ) {
- $this->mFunction = "wfSpecial{$name}";
+ $this->mFunction = 'wfSpecial'.$name;
} else {
$this->mFunction = $function;
}
- if ( $file === "default" ) {
+ if ( $file === 'default' ) {
$this->mFile = "Special{$name}.php";
} else {
$this->mFile = $file;
}
}
+ # Accessor functions, see the descriptions of the associated variables above
function getName() { return $this->mName; }
function getRestriction() { return $this->mRestriction; }
function isListed() { return $this->mListed; }
+ function getFile() { return $this->mFile; }
+ function including( $x = NULL ) { return wfSetVar( $this->mIncluding, $x ); }
+ function includable( $x = NULL ) { return wfSetVar( $this->mIncludable, $x ); }
+ /**
+ * Checks if the given user (identified by an object) can execute this
+ * special page (as defined by $mRestriction)
+ */
function userCanExecute( &$user ) {
if ( $this->mRestriction == "" ) {
return true;
}
}
+ /**
+ * Output an error message telling the user what access level they have to have
+ */
function displayRestrictionError() {
global $wgOut;
- if ( $this->mRestriction == "developer" ) {
- $wgOut->developerRequired();
- } else {
- $wgOut->sysopRequired();
- }
+ $wgOut->permissionRequired( $this->mRestriction );
}
-
+
+ /**
+ * Sets headers - this should be called from the execute() method of all derived classes!
+ */
function setHeaders() {
global $wgOut;
$wgOut->setArticleRelated( false );
$wgOut->setPageTitle( $this->getDescription() );
}
+ /**
+ * Default execute method
+ * Checks user permissions, calls the function given in mFunction
+ */
function execute( $par ) {
global $wgUser, $wgOut, $wgTitle;
$this->setHeaders();
-
+
if ( $this->userCanExecute( $wgUser ) ) {
if ( $this->mFile ) {
require_once( $this->mFile );
- }
+ }
$func = $this->mFunction;
- $func( $par );
+ $func( $par, $this );
} else {
$this->displayRestrictionError();
}
}
+ # Returns the name that goes in the <h1> in the special page itself, and also the name that
+ # will be listed in Special:Specialpages
+ #
+ # Derived classes can override this, but usually it is easier to keep the default behaviour.
+ # Messages can be added at run-time, see MessageCache.php
function getDescription() {
return wfMsg( strtolower( $this->mName ) );
}
+ /**
+ * Get a self-referential title object
+ */
function getTitle() {
return Title::makeTitle( NS_SPECIAL, $this->mName );
}
+ /**
+ * Set whether this page is listed in Special:Specialpages, at run-time
+ */
function setListed( $listed ) {
return wfSetVar( $this->mListed, $listed );
}
+
}
+/**
+ * Shortcut to construct a special page which is unlisted by default
+ * @package MediaWiki
+ */
class UnlistedSpecialPage extends SpecialPage
{
- function UnlistedSpecialPage( $name, $restriction = "", $function = false, $file = "default" ) {
+ function UnlistedSpecialPage( $name, $restriction = '', $function = false, $file = 'default' ) {
SpecialPage::SpecialPage( $name, $restriction, false, $function, $file );
}
}
+
+/**
+ * Shortcut to construct an includable special page
+ * @package MediaWiki
+ */
+class IncludableSpecialPage extends SpecialPage
+{
+ function IncludableSpecialPage( $name, $restriction = '', $listed = true, $function = false, $file = 'default' ) {
+ SpecialPage::SpecialPage( $name, $restriction, $listed, $function, $file, true );
+ }
+}
+?>