index.php

   1 <?php
   2
   3 #apd_set_pprof_trace();
   4 # Main wiki script; see design.doc
   5 #
   6 $wgRequestTime = microtime();
   7
   8 unset( $IP );
   9 @ini_set( 'allow_url_fopen', 0 ); # For security...
  10 if( !file_exists( 'LocalSettings.php' ) ) {
  11         if ( file_exists( 'config/LocalSettings.php' ) ) {
  12                 die( "To complete the installation, move <tt>config/LocalSettings.php</tt> to the parent directory.\n" );
  13         } else {
  14                 die( "You'll have to <a href='config/index.php'>set the wiki up</a> first!" );
  15         }
  16 }
  17
  18 # Valid web server entry point, enable includes.
  19 # Please don't move this line to includes/Defines.php. This line essentially defines
  20 # a valid entry point. If you put it in includes/Defines.php, then any script that includes
  21 # it becomes an entry point, thereby defeating its purpose.
  22 define( 'MEDIAWIKI', true );
  23
  24 require_once( './includes/Defines.php' );
  25 require_once( './LocalSettings.php' );
  26 require_once( 'includes/Setup.php' );
  27
  28 wfProfileIn( 'main-misc-setup' );
  29 OutputPage::setEncodings(); # Not really used yet
  30
  31 # Query string fields
  32 $action = $wgRequest->getVal( 'action', 'view' );
  33 $title = $wgRequest->getVal( 'title' );
  34
  35 $action = strtolower( trim( $action ) );
  36 if ($wgRequest->getVal( 'printable' ) == 'yes') {
  37         $wgOut->setPrintable();
  38 }
  39
  40 if ( '' == $title && 'delete' != $action ) {
  41         $wgTitle = Title::newFromText( wfMsgForContent( 'mainpage' ) );
  42 } elseif ( $curid = $wgRequest->getInt( 'curid' ) ) {
  43         # URLs like this are generated by RC, because rc_title isn't always accurate
  44         $wgTitle = Title::newFromID( $curid );
  45 } else {
  46         $wgTitle = Title::newFromURL( $title );
  47 }
  48 wfProfileOut( 'main-misc-setup' );
  49
  50 # Debug statement for user levels
  51 // print_r($wgUser);
  52
  53 # If the user is not logged in, the Namespace:title of the article must be in
  54 # the Read array in order for the user to see it. (We have to check here to
  55 # catch special pages etc. We check again in Article::view())
  56 if ( !is_null( $wgTitle ) && !$wgTitle->userCanRead() ) {
  57         $wgOut->loginToUse();
  58         $wgOut->output();
  59         exit;
  60 }
  61
  62 wfProfileIn( 'main-action' );
  63
  64 $search = $wgRequest->getText( 'search' );
  65 if( !$wgDisableInternalSearch && !is_null( $search ) && $search !== '' ) {
  66         require_once( 'includes/SpecialSearch.php' );
  67         $wgTitle = Title::makeTitle( NS_SPECIAL, 'Search' );
  68         wfSpecialSearch();
  69 } else if( !$wgTitle or $wgTitle->getDBkey() == '' ) {
  70         $wgTitle = Title::newFromText( wfMsgForContent( 'badtitle' ) );
  71         $wgOut->errorpage( 'badtitle', 'badtitletext' );
  72 } else if ( $wgTitle->getInterwiki() != '' ) {
  73         if( $rdfrom = $wgRequest->getVal( 'rdfrom' ) ) {
  74                 $url = $wgTitle->getFullURL( 'rdfrom=' . urlencode( $rdfrom ) );
  75         } else {
  76                 $url = $wgTitle->getFullURL();
  77         }
  78         # Check for a redirect loop
  79         if ( !preg_match( '/^' . preg_quote( $wgServer, '/' ) . '/', $url ) && $wgTitle->isLocal() ) {
  80                 $wgOut->redirect( $url );
  81         } else {
  82                 $wgTitle = Title::newFromText( wfMsgForContent( 'badtitle' ) );
  83                 $wgOut->errorpage( 'badtitle', 'badtitletext' );
  84         }
  85 } else if ( ( $action == 'view' ) &&
  86         (!isset( $_GET['title'] ) || $wgTitle->getPrefixedDBKey() != $_GET['title'] ) &&
  87         !count( array_diff( array_keys( $_GET ), array( 'action', 'title' ) ) ) )
  88 {
  89         /* redirect to canonical url, make it a 301 to allow caching */
  90         $wgOut->setSquidMaxage( 1200 );
  91         $wgOut->redirect( $wgTitle->getFullURL(), '301');
  92 } else if ( NS_SPECIAL == $wgTitle->getNamespace() ) {
  93         # actions that need to be made when we have a special pages
  94         require_once( 'includes/SpecialPage.php' );
  95         SpecialPage::executePath( $wgTitle );
  96 } else {
  97         if ( NS_MEDIA == $wgTitle->getNamespace() ) {
  98                 $wgTitle = Title::makeTitle( NS_IMAGE, $wgTitle->getDBkey() );
  99         }
 100
 101         switch( $wgTitle->getNamespace() ) {
 102         case NS_IMAGE:
 103                 require_once( 'includes/ImagePage.php' );
 104                 $wgArticle = new ImagePage( $wgTitle );
 105                 break;
 106         case NS_CATEGORY:
 107                 if ( $wgUseCategoryMagic ) {
 108                         require_once( 'includes/CategoryPage.php' );
 109                         $wgArticle = new CategoryPage( $wgTitle );
 110                         break;
 111                 }
 112                 # NO break if wgUseCategoryMagic is false, drop through to next (default).
 113                 # Don't insert other cases between NS_CATEGORY and default.
 114         default:
 115                 $wgArticle = new Article( $wgTitle );
 116         }
 117
 118         switch( $action ) {
 119                 case 'view':
 120                         $wgOut->setSquidMaxage( $wgSquidMaxage );
 121                         $wgArticle->view();
 122                         break;
 123                 case 'watch':
 124                 case 'unwatch':
 125                 case 'delete':
 126                 case 'revert':
 127                 case 'rollback':
 128                 case 'protect':
 129                 case 'unprotect':
 130                 case 'info':
 131                 case 'markpatrolled':
 132                 case 'validate':
 133                         $wgArticle->$action();
 134                         break;
 135                 case 'print':
 136                         $wgArticle->view();
 137                         break;
 138                 case 'dublincore':
 139                         if( !$wgEnableDublinCoreRdf ) {
 140                                 wfHttpError( 403, 'Forbidden', wfMsg( 'nodublincore' ) );
 141                         } else {
 142                                 require_once( 'includes/Metadata.php' );
 143                                 wfDublinCoreRdf( $wgArticle );
 144                         }
 145                         break;
 146                 case 'creativecommons':
 147                         if( !$wgEnableCreativeCommonsRdf ) {
 148                                 wfHttpError( 403, 'Forbidden', wfMsg('nocreativecommons') );
 149                         } else {
 150                                 require_once( 'includes/Metadata.php' );
 151                                 wfCreativeCommonsRdf( $wgArticle );
 152                         }
 153                         break;
 154                 case 'credits':
 155                         require_once( 'includes/Credits.php' );
 156                         showCreditsPage( $wgArticle );
 157                         break;
 158                 case 'submit':
 159                         if( !$wgCommandLineMode && !$wgRequest->checkSessionCookie() ) {
 160                                 # Send a cookie so anons get talk message notifications
 161                                 User::SetupSession();
 162                         }
 163                         # Continue...
 164                 case 'edit':
 165                         $internal = $wgRequest->getVal( 'internaledit' );
 166                         $external = $wgRequest->getVal( 'externaledit' );
 167                         $section = $wgRequest->getVal( 'section' );
 168                         $oldid = $wgRequest->getVal( 'oldid' );
 169                         if(!$wgUseExternalEditor || $action=='submit' || $internal ||
 170                            $section || $oldid || (!$wgUser->getOption('externaleditor') && !$external)) {
 171                                 require_once( 'includes/EditPage.php' );
 172                                 $editor = new EditPage( $wgArticle );
 173                                 $editor->submit();
 174                         } elseif($wgUseExternalEditor && ($external || $wgUser->getOption('externaleditor'))) {
 175                                 require_once( 'includes/ExternalEdit.php' );
 176                                 $mode = $wgRequest->getVal( 'mode' );
 177                                 $extedit = new ExternalEdit( $wgArticle, $mode );
 178                                 $extedit->edit();
 179                         }
 180                         break;
 181                 case 'history':
 182                         if ($_SERVER['REQUEST_URI'] == $wgTitle->getInternalURL('action=history')) {
 183                                 $wgOut->setSquidMaxage( $wgSquidMaxage );
 184                         }
 185                         require_once( 'includes/PageHistory.php' );
 186                         $history = new PageHistory( $wgArticle );
 187                         $history->history();
 188                         break;
 189                 case 'raw':
 190                         require_once( 'includes/RawPage.php' );
 191                         $raw = new RawPage( $wgArticle );
 192                         $raw->view();
 193                         break;
 194                 case 'purge':
 195                         wfPurgeSquidServers(array($wgTitle->getInternalURL()));
 196                         $wgOut->setSquidMaxage( $wgSquidMaxage );
 197                         $wgTitle->invalidateCache();
 198                         $wgArticle->view();
 199                         break;
 200                 default:
 201                     if (wfRunHooks('UnknownAction', $action, $wgArticle)) {
 202                                 $wgOut->errorpage( 'nosuchaction', 'nosuchactiontext' );
 203                         }
 204         }
 205 }
 206 wfProfileOut( 'main-action' );
 207
 208 # Deferred updates aren't really deferred anymore. It's important to report errors to the
 209 # user, and that means doing this before OutputPage::output(). Note that for page saves,
 210 # the client will wait until the script exits anyway before following the redirect.
 211 wfProfileIn( 'main-updates' );
 212 foreach ( $wgDeferredUpdateList as $up ) {
 213         $up->doUpdate();
 214 }
 215 wfProfileOut( 'main-updates' );
 216
 217 wfProfileIn( 'main-cleanup' );
 218 $wgLoadBalancer->saveMasterPos();
 219
 220 # Now commit any transactions, so that unreported errors after output() don't roll back the whole thing
 221 $wgLoadBalancer->commitAll();
 222
 223 $wgOut->output();
 224
 225 foreach ( $wgPostCommitUpdateList as $up ) {
 226         $up->doUpdate();
 227 }
 228
 229 wfProfileOut( 'main-cleanup' );
 230
 231 logProfilingData();
 232 $wgLoadBalancer->closeAll();
 233 wfDebug( "Request ended normally\n" );
 234 ?>