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         if ( in_array( $action, $wgDisabledActions ) ) {
 119                 $wgOut->errorpage( 'nosuchaction', 'nosuchactiontext' );
 120         } else {
 121                 switch( $action ) {
 122                         case 'view':
 123                                 $wgOut->setSquidMaxage( $wgSquidMaxage );
 124                                 $wgArticle->view();
 125                                 break;
 126                         case 'watch':
 127                         case 'unwatch':
 128                         case 'delete':
 129                         case 'revert':
 130                         case 'rollback':
 131                         case 'protect':
 132                         case 'unprotect':
 133                         case 'info':
 134                         case 'markpatrolled':
 135                         case 'validate':
 136                                 $wgArticle->$action();
 137                                 break;
 138                         case 'print':
 139                                 $wgArticle->view();
 140                                 break;
 141                         case 'dublincore':
 142                                 if( !$wgEnableDublinCoreRdf ) {
 143                                         wfHttpError( 403, 'Forbidden', wfMsg( 'nodublincore' ) );
 144                                 } else {
 145                                         require_once( 'includes/Metadata.php' );
 146                                         wfDublinCoreRdf( $wgArticle );
 147                                 }
 148                                 break;
 149                         case 'creativecommons':
 150                                 if( !$wgEnableCreativeCommonsRdf ) {
 151                                         wfHttpError( 403, 'Forbidden', wfMsg('nocreativecommons') );
 152                                 } else {
 153                                         require_once( 'includes/Metadata.php' );
 154                                         wfCreativeCommonsRdf( $wgArticle );
 155                                 }
 156                                 break;
 157                         case 'credits':
 158                                 require_once( 'includes/Credits.php' );
 159                                 showCreditsPage( $wgArticle );
 160                                 break;
 161                         case 'submit':
 162                                 if( !$wgCommandLineMode && !$wgRequest->checkSessionCookie() ) {
 163                                         # Send a cookie so anons get talk message notifications
 164                                         User::SetupSession();
 165                                 }
 166                                 # Continue...
 167                         case 'edit':
 168                                 $internal = $wgRequest->getVal( 'internaledit' );
 169                                 $external = $wgRequest->getVal( 'externaledit' );
 170                                 $section = $wgRequest->getVal( 'section' );
 171                                 $oldid = $wgRequest->getVal( 'oldid' );
 172                                 if(!$wgUseExternalEditor || $action=='submit' || $internal ||
 173                                    $section || $oldid || (!$wgUser->getOption('externaleditor') && !$external)) {
 174                                         require_once( 'includes/EditPage.php' );
 175                                         $editor = new EditPage( $wgArticle );
 176                                         $editor->submit();
 177                                 } elseif($wgUseExternalEditor && ($external || $wgUser->getOption('externaleditor'))) {
 178                                         require_once( 'includes/ExternalEdit.php' );
 179                                         $mode = $wgRequest->getVal( 'mode' );
 180                                         $extedit = new ExternalEdit( $wgArticle, $mode );
 181                                         $extedit->edit();
 182                                 }
 183                                 break;
 184                         case 'history':
 185                                 if ($_SERVER['REQUEST_URI'] == $wgTitle->getInternalURL('action=history')) {
 186                                         $wgOut->setSquidMaxage( $wgSquidMaxage );
 187                                 }
 188                                 require_once( 'includes/PageHistory.php' );
 189                                 $history = new PageHistory( $wgArticle );
 190                                 $history->history();
 191                                 break;
 192                         case 'raw':
 193                                 require_once( 'includes/RawPage.php' );
 194                                 $raw = new RawPage( $wgArticle );
 195                                 $raw->view();
 196                                 break;
 197                         case 'purge':
 198                                 wfPurgeSquidServers(array($wgTitle->getInternalURL()));
 199                                 $wgOut->setSquidMaxage( $wgSquidMaxage );
 200                                 $wgTitle->invalidateCache();
 201                                 $wgArticle->view();
 202                                 break;
 203                         default:
 204                                 if (wfRunHooks('UnknownAction', $action, $wgArticle)) {
 205                                         $wgOut->errorpage( 'nosuchaction', 'nosuchactiontext' );
 206                                 }
 207                 }
 208         }
 209 }
 210 wfProfileOut( 'main-action' );
 211
 212 # Deferred updates aren't really deferred anymore. It's important to report errors to the
 213 # user, and that means doing this before OutputPage::output(). Note that for page saves,
 214 # the client will wait until the script exits anyway before following the redirect.
 215 wfProfileIn( 'main-updates' );
 216 foreach ( $wgDeferredUpdateList as $up ) {
 217         $up->doUpdate();
 218 }
 219 wfProfileOut( 'main-updates' );
 220
 221 wfProfileIn( 'main-cleanup' );
 222 $wgLoadBalancer->saveMasterPos();
 223
 224 # Now commit any transactions, so that unreported errors after output() don't roll back the whole thing
 225 $wgLoadBalancer->commitAll();
 226
 227 $wgOut->output();
 228
 229 foreach ( $wgPostCommitUpdateList as $up ) {
 230         $up->doUpdate();
 231 }
 232
 233 wfProfileOut( 'main-cleanup' );
 234
 235 logProfilingData();
 236 $wgLoadBalancer->closeAll();
 237 wfDebug( "Request ended normally\n" );
 238 ?>