GET = $_GET;
}
/**
* Stores key/value pairs to circumvent global variables
* Note that keys are case-insensitive!
*/
function setVal( $key, &$value ) {
$key = strtolower( $key );
$this->params[$key] =& $value;
}
/**
* Retieves key/value pairs to circumvent global variables
* Note that keys are case-insensitive!
*/
function getVal( $key, $default = "" ) {
$key = strtolower( $key );
if( isset( $this->params[$key] ) ) {
return $this->params[$key];
}
return $default;
}
/**
* Checks if the wiki is set up at all, or configured but not activated
*/
function checkSetup() {
if ( file_exists( './LocalSettings.php' ) ) {
/* LocalSettings exists, commerce normally */
return;
}
/* LocalSettings is not in the right place, do something */
$IP = ".";
require_once( 'includes/DefaultSettings.php' ); # used for printing the version
$out = file_get_contents( "./setup_message.html" );
$out = str_replace( "$1", $wgVersion, $out );
if ( file_exists( 'config/LocalSettings.php' ) ) {
$msg = "To complete the installation, move config/LocalSettings.php to the parent directory.";
} else {
$msg = "Please setup the wiki first.";
}
$out = str_replace( "$2", $msg, $out );
echo $out ;
die();
}
/**
* Initialization of ... everything
@return Article either the object to become $wgArticle, or NULL
*/
function initialize ( &$title, &$output, &$user, $request) {
wfProfileIn( 'MediaWiki::initialize' );
$this->preliminaryChecks ( $title, $output, $request ) ;
$article = NULL;
if ( !$this->initializeSpecialCases( $title, $output, $request ) ) {
$article = $this->initializeArticle( $title, $request );
if( is_object( $article ) ) {
$this->performAction( $output, $article, $title, $user, $request );
} elseif( is_string( $article ) ) {
$output->redirect( $article );
} else {
wfDebugDieBacktrace( "Shouldn't happen: MediaWiki::initializeArticle() returned neither an object nor a URL" );
}
}
wfProfileOut( 'MediaWiki::initialize' );
return $article;
}
/**
* Checks some initial queries
* Note that $title here is *not* a Title object, but a string!
*/
function checkInitialQueries( $title,$action,&$output,$request, $lang) {
wfProfileIn( 'MediaWiki::checkInitialQueries' );
if ($request->getVal( 'printable' ) == 'yes') {
$output->setPrintable();
}
$ret = NULL ;
if ( '' == $title && 'delete' != $action ) {
$ret = Title::newFromText( wfMsgForContent( 'mainpage' ) );
} elseif ( $curid = $request->getInt( 'curid' ) ) {
# URLs like this are generated by RC, because rc_title isn't always accurate
$ret = Title::newFromID( $curid );
} else {
$ret = Title::newFromURL( $title );
/* check variant links so that interwiki links don't have to worry about
the possible different language variants
*/
if( count($lang->getVariants()) > 1 && !is_null($ret) && $ret->getArticleID() == 0 )
$lang->findVariantLink( $title, $ret );
}
wfProfileOut( 'MediaWiki::checkInitialQueries' );
return $ret ;
}
/**
* Checks for search query and anon-cannot-read case
*/
function preliminaryChecks ( &$title, &$output, $request ) {
# Debug statement for user levels
// print_r($wgUser);
$search = $request->getText( 'search' );
if( !is_null( $search ) && $search !== '' ) {
// Compatibility with old search URLs which didn't use Special:Search
// Do this above the read whitelist check for security...
$title = Title::makeTitle( NS_SPECIAL, 'Search' );
}
$this->setVal( "Search", $search );
# If the user is not logged in, the Namespace:title of the article must be in
# the Read array in order for the user to see it. (We have to check here to
# catch special pages etc. We check again in Article::view())
if ( !is_null( $title ) && !$title->userCanRead() ) {
$output->loginToUse();
$output->output();
exit;
}
}
/**
* Initialize the object to be known as $wgArticle for special cases
*/
function initializeSpecialCases ( &$title, &$output, $request ) {
wfProfileIn( 'MediaWiki::initializeSpecialCases' );
$search = $this->getVal('Search');
$action = $this->getVal('Action');
if( !$this->getVal('DisableInternalSearch') && !is_null( $search ) && $search !== '' ) {
require_once( 'includes/SpecialSearch.php' );
$title = Title::makeTitle( NS_SPECIAL, 'Search' );
wfSpecialSearch();
} else if( !$title or $title->getDBkey() == '' ) {
$title = Title::newFromText( wfMsgForContent( 'badtitle' ) );
$output->errorpage( 'badtitle', 'badtitletext' );
} else if ( $title->getInterwiki() != '' ) {
if( $rdfrom = $request->getVal( 'rdfrom' ) ) {
$url = $title->getFullURL( 'rdfrom=' . urlencode( $rdfrom ) );
} else {
$url = $title->getFullURL();
}
/* Check for a redirect loop */
if ( !preg_match( '/^' . preg_quote( $this->getVal('Server'), '/' ) . '/', $url ) && $title->isLocal() ) {
$output->redirect( $url );
} else {
$title = Title::newFromText( wfMsgForContent( 'badtitle' ) );
$output->errorpage( 'badtitle', 'badtitletext' );
}
} else if ( ( $action == 'view' ) &&
(!isset( $this->GET['title'] ) || $title->getPrefixedDBKey() != $this->GET['title'] ) &&
!count( array_diff( array_keys( $this->GET ), array( 'action', 'title' ) ) ) )
{
/* Redirect to canonical url, make it a 301 to allow caching */
$output->setSquidMaxage( 1200 );
$output->redirect( $title->getFullURL(), '301');
} else if ( NS_SPECIAL == $title->getNamespace() ) {
/* actions that need to be made when we have a special pages */
SpecialPage::executePath( $title );
} else {
/* No match to special cases */
wfProfileOut( 'MediaWiki::initializeSpecialCases' );
return false;
}
/* Did match a special case */
wfProfileOut( 'MediaWiki::initializeSpecialCases' );
return true;
}
/**
* Create an Article object of the appropriate class for the given page.
* @param Title $title
* @return Article
*/
function articleFromTitle( $title ) {
if( NS_MEDIA == $title->getNamespace() ) {
// FIXME: where should this go?
$title = Title::makeTitle( NS_IMAGE, $title->getDBkey() );
}
switch( $title->getNamespace() ) {
case NS_IMAGE:
require_once( 'includes/ImagePage.php' );
return new ImagePage( $title );
case NS_CATEGORY:
require_once( 'includes/CategoryPage.php' );
return new CategoryPage( $title );
default:
return new Article( $title );
}
}
/**
* Initialize the object to be known as $wgArticle for "standard" actions
* Create an Article object for the page, following redirects if needed.
* @param Title $title
* @param Request $request
* @param string $action
* @return mixed an Article, or a string to redirect to another URL
*/
function initializeArticle( $title, $request ) {
wfProfileIn( 'MediaWiki::initializeArticle' );
$action = $this->getVal('Action');
$article = $this->articleFromTitle( $title );
// Namespace might change when using redirects
if( $action == 'view' && !$request->getVal( 'oldid' ) && $request->getVal( 'redirect' ) != 'no' ) {
$target = $article->followRedirect();
if( is_string( $target ) ) {
global $wgDisableHardRedirects;
if( !$wgDisableHardRedirects ) {
// we'll need to redirect
return $target;
}
}
if( is_object( $target ) ) {
// evil globals hack!
global $wgTitle;
$wgTitle = $target;
$article = $this->articleFromTitle( $target );
$article->setRedirectedFrom( $title );
}
}
wfProfileOut( 'MediaWiki::initializeArticle' );
return $article;
}
/**
* Cleaning up by doing deferred updates, calling loadbalancer and doing the output
*/
function finalCleanup ( &$deferredUpdates, &$loadBalancer, &$output ) {
wfProfileIn( 'MediaWiki::finalCleanup' );
$this->doUpdates( $deferredUpdates );
$loadBalancer->saveMasterPos();
# Now commit any transactions, so that unreported errors after output() don't roll back the whole thing
$loadBalancer->commitAll();
$output->output();
wfProfileOut( 'MediaWiki::finalCleanup' );
}
/**
* Deferred updates aren't really deferred anymore. It's important to report errors to the
* user, and that means doing this before OutputPage::output(). Note that for page saves,
* the client will wait until the script exits anyway before following the redirect.
*/
function doUpdates ( &$updates ) {
wfProfileIn( 'MediaWiki::doUpdates' );
foreach( $updates as $up ) {
$up->doUpdate();
}
wfProfileOut( 'MediaWiki::doUpdates' );
}
/**
* Ends this task peacefully
*/
function restInPeace ( &$loadBalancer ) {
wfProfileClose();
logProfilingData();
$loadBalancer->closeAll();
wfDebug( "Request ended normally\n" );
}
/**
* Perform one of the "standard" actions
*/
function performAction( &$output, &$article, &$title, &$user, &$request ) {
wfProfileIn( 'MediaWiki::performAction' );
$action = $this->getVal('Action');
if( in_array( $action, $this->getVal('DisabledActions',array()) ) ) {
/* No such action; this will switch to the default case */
$action = "nosuchaction";
}
switch( $action ) {
case 'view':
$output->setSquidMaxage( $this->getVal( 'SquidMaxage' ) );
$article->view();
break;
case 'watch':
case 'unwatch':
case 'delete':
case 'revert':
case 'rollback':
case 'protect':
case 'unprotect':
case 'info':
case 'markpatrolled':
case 'validate':
case 'render':
case 'deletetrackback':
case 'purge':
$article->$action();
break;
case 'print':
$article->view();
break;
case 'dublincore':
if( !$this->getVal( 'EnableDublinCoreRdf' ) ) {
wfHttpError( 403, 'Forbidden', wfMsg( 'nodublincore' ) );
} else {
require_once( 'includes/Metadata.php' );
wfDublinCoreRdf( $article );
}
break;
case 'creativecommons':
if( !$this->getVal( 'EnableCreativeCommonsRdf' ) ) {
wfHttpError( 403, 'Forbidden', wfMsg( 'nocreativecommons' ) );
} else {
require_once( 'includes/Metadata.php' );
wfCreativeCommonsRdf( $article );
}
break;
case 'credits':
require_once( 'includes/Credits.php' );
showCreditsPage( $article );
break;
case 'submit':
if( !$this->getVal( 'CommandLineMode' ) && !$request->checkSessionCookie() ) {
/* Send a cookie so anons get talk message notifications */
User::SetupSession();
}
/* Continue... */
case 'edit':
$internal = $request->getVal( 'internaledit' );
$external = $request->getVal( 'externaledit' );
$section = $request->getVal( 'section' );
$oldid = $request->getVal( 'oldid' );
if( !$this->getVal( 'UseExternalEditor' ) || $action=='submit' || $internal ||
$section || $oldid || ( !$user->getOption( 'externaleditor' ) && !$external ) ) {
require_once( 'includes/EditPage.php' );
$editor = new EditPage( $article );
$editor->submit();
} elseif( $this->getVal( 'UseExternalEditor' ) && ( $external || $user->getOption( 'externaleditor' ) ) ) {
require_once( 'includes/ExternalEdit.php' );
$mode = $request->getVal( 'mode' );
$extedit = new ExternalEdit( $article, $mode );
$extedit->edit();
}
break;
case 'history':
if( $_SERVER['REQUEST_URI'] == $title->getInternalURL( 'action=history' ) ) {
$output->setSquidMaxage( $this->getVal( 'SquidMaxage' ) );
}
require_once( 'includes/PageHistory.php' );
$history = new PageHistory( $article );
$history->history();
break;
case 'raw':
require_once( 'includes/RawPage.php' );
$raw = new RawPage( $article );
$raw->view();
break;
default:
if( wfRunHooks( 'UnknownAction', array( $action, $article ) ) ) {
$output->errorpage( 'nosuchaction', 'nosuchactiontext' );
}
wfProfileOut( 'MediaWiki::performAction' );
}
}
}; /* End of class MediaWiki */
?>