index.php

   1 <?php
   2 #apd_set_pprof_trace();
   3 # Main wiki script; see design.doc
   4 #
   5 $wgRequestTime = microtime();
   6
   7 unset( $IP );
   8 @ini_set( 'allow_url_fopen', 0 ); # For security...
   9 if( !file_exists( 'LocalSettings.php' ) ) {
  10         define( 'MEDIAWIKI', true );
  11         $IP = "127.0.0.1" ;
  12         require_once( './includes/Defines.php' );
  13         require_once( 'includes/DefaultSettings.php' ); # used for printing the version
  14 ?>
  15 <!DOCTYPE html PUBLIC "-//W3C/DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
  16 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
  17         <head>
  18                 <title>MediaWiki <?php echo $wgVersion ?></title>
  19                 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
  20
  21                 <style type='text/css' media='screen, projection'>
  22                         html, body {
  23                                 color: #000;
  24                                 background-color: #fff;
  25                                 font-family: serif;
  26                                 text-align:center;
  27                         }
  28
  29                         h1 {
  30                                 font-size: 150%;
  31                         }
  32                 </style>
  33         </head>
  34         <body>
  35                 <img src='skins/common/images/wiki.png' alt='The MediaWiki logo' />
  36
  37                 <h1>MediaWiki <?php echo $wgVersion ?></h1>
  38                 <div class='error'>
  39                 <?php
  40                 if ( file_exists( 'config/LocalSettings.php' ) ) {
  41                         echo( "To complete the installation, move <tt>config/LocalSettings.php</tt> to the parent directory." );
  42                 } else {
  43                         echo( "You'll have to <a href='config/index.php' title='setup'>set the wiki up</a> first!" );
  44                 }
  45                 ?>
  46
  47                 </div>
  48         </body>
  49 </html>
  50 <?php
  51         die();
  52 }
  53
  54 # Valid web server entry point, enable includes.
  55 # Please don't move this line to includes/Defines.php. This line essentially defines
  56 # a valid entry point. If you put it in includes/Defines.php, then any script that includes
  57 # it becomes an entry point, thereby defeating its purpose.
  58 define( 'MEDIAWIKI', true );
  59
  60 require_once( './includes/Defines.php' );
  61 require_once( './LocalSettings.php' );
  62 require_once( 'includes/Setup.php' );
  63
  64 wfProfileIn( 'main-misc-setup' );
  65 OutputPage::setEncodings(); # Not really used yet
  66
  67 # Query string fields
  68 $action = $wgRequest->getVal( 'action', 'view' );
  69 $title = $wgRequest->getVal( 'title' );
  70
  71 $action = strtolower( trim( $action ) );
  72 if ($wgRequest->getVal( 'printable' ) == 'yes') {
  73         $wgOut->setPrintable();
  74 }
  75
  76 if ( '' == $title && 'delete' != $action ) {
  77         $wgTitle = Title::newFromText( wfMsgForContent( 'mainpage' ) );
  78 } elseif ( $curid = $wgRequest->getInt( 'curid' ) ) {
  79         # URLs like this are generated by RC, because rc_title isn't always accurate
  80         $wgTitle = Title::newFromID( $curid );
  81 } else {
  82         $wgTitle = Title::newFromURL( $title );
  83 }
  84 wfProfileOut( 'main-misc-setup' );
  85
  86 # Debug statement for user levels
  87 // print_r($wgUser);
  88
  89 # If the user is not logged in, the Namespace:title of the article must be in
  90 # the Read array in order for the user to see it. (We have to check here to
  91 # catch special pages etc. We check again in Article::view())
  92 if ( !is_null( $wgTitle ) && !$wgTitle->userCanRead() ) {
  93         $wgOut->loginToUse();
  94         $wgOut->output();
  95         exit;
  96 }
  97
  98 wfProfileIn( 'main-action' );
  99
 100 $search = $wgRequest->getText( 'search' );
 101 if( !$wgDisableInternalSearch && !is_null( $search ) && $search !== '' ) {
 102         require_once( 'includes/SpecialSearch.php' );
 103         $wgTitle = Title::makeTitle( NS_SPECIAL, 'Search' );
 104         wfSpecialSearch();
 105 } else if( !$wgTitle or $wgTitle->getDBkey() == '' ) {
 106         $wgTitle = Title::newFromText( wfMsgForContent( 'badtitle' ) );
 107         $wgOut->errorpage( 'badtitle', 'badtitletext' );
 108 } else if ( $wgTitle->getInterwiki() != '' ) {
 109         if( $rdfrom = $wgRequest->getVal( 'rdfrom' ) ) {
 110                 $url = $wgTitle->getFullURL( 'rdfrom=' . urlencode( $rdfrom ) );
 111         } else {
 112                 $url = $wgTitle->getFullURL();
 113         }
 114         # Check for a redirect loop
 115         if ( !preg_match( '/^' . preg_quote( $wgServer, '/' ) . '/', $url ) && $wgTitle->isLocal() ) {
 116                 $wgOut->redirect( $url );
 117         } else {
 118                 $wgTitle = Title::newFromText( wfMsgForContent( 'badtitle' ) );
 119                 $wgOut->errorpage( 'badtitle', 'badtitletext' );
 120         }
 121 } else if ( ( $action == 'view' ) &&
 122         (!isset( $_GET['title'] ) || $wgTitle->getPrefixedDBKey() != $_GET['title'] ) &&
 123         !count( array_diff( array_keys( $_GET ), array( 'action', 'title' ) ) ) )
 124 {
 125         /* redirect to canonical url, make it a 301 to allow caching */
 126         $wgOut->setSquidMaxage( 1200 );
 127         $wgOut->redirect( $wgTitle->getFullURL(), '301');
 128 } else if ( NS_SPECIAL == $wgTitle->getNamespace() ) {
 129         # actions that need to be made when we have a special pages
 130         require_once( 'includes/SpecialPage.php' );
 131         SpecialPage::executePath( $wgTitle );
 132 } else {
 133         if ( NS_MEDIA == $wgTitle->getNamespace() ) {
 134                 $wgTitle = Title::makeTitle( NS_IMAGE, $wgTitle->getDBkey() );
 135         }
 136
 137         switch( $wgTitle->getNamespace() ) {
 138         case NS_IMAGE:
 139                 require_once( 'includes/ImagePage.php' );
 140                 $wgArticle = new ImagePage( $wgTitle );
 141                 break;
 142         case NS_CATEGORY:
 143                 if ( $wgUseCategoryMagic ) {
 144                         require_once( 'includes/CategoryPage.php' );
 145                         $wgArticle = new CategoryPage( $wgTitle );
 146                         break;
 147                 }
 148                 # NO break if wgUseCategoryMagic is false, drop through to next (default).
 149                 # Don't insert other cases between NS_CATEGORY and default.
 150         default:
 151                 $wgArticle = new Article( $wgTitle );
 152         }
 153
 154         if ( in_array( $action, $wgDisabledActions ) ) {
 155                 $wgOut->errorpage( 'nosuchaction', 'nosuchactiontext' );
 156         } else {
 157                 switch( $action ) {
 158                         case 'view':
 159                                 $wgOut->setSquidMaxage( $wgSquidMaxage );
 160                                 $wgArticle->view();
 161                                 break;
 162                         case 'watch':
 163                         case 'unwatch':
 164                         case 'delete':
 165                         case 'revert':
 166                         case 'rollback':
 167                         case 'protect':
 168                         case 'unprotect':
 169                         case 'info':
 170                         case 'markpatrolled':
 171                         case 'validate':
 172                                 $wgArticle->$action();
 173                                 break;
 174                         case 'print':
 175                                 $wgArticle->view();
 176                                 break;
 177                         case 'dublincore':
 178                                 if( !$wgEnableDublinCoreRdf ) {
 179                                         wfHttpError( 403, 'Forbidden', wfMsg( 'nodublincore' ) );
 180                                 } else {
 181                                         require_once( 'includes/Metadata.php' );
 182                                         wfDublinCoreRdf( $wgArticle );
 183                                 }
 184                                 break;
 185                         case 'creativecommons':
 186                                 if( !$wgEnableCreativeCommonsRdf ) {
 187                                         wfHttpError( 403, 'Forbidden', wfMsg('nocreativecommons') );
 188                                 } else {
 189                                         require_once( 'includes/Metadata.php' );
 190                                         wfCreativeCommonsRdf( $wgArticle );
 191                                 }
 192                                 break;
 193                         case 'credits':
 194                                 require_once( 'includes/Credits.php' );
 195                                 showCreditsPage( $wgArticle );
 196                                 break;
 197                         case 'submit':
 198                                 if( !$wgCommandLineMode && !$wgRequest->checkSessionCookie() ) {
 199                                         # Send a cookie so anons get talk message notifications
 200                                         User::SetupSession();
 201                                 }
 202                                 # Continue...
 203                         case 'edit':
 204                                 $internal = $wgRequest->getVal( 'internaledit' );
 205                                 $external = $wgRequest->getVal( 'externaledit' );
 206                                 $section = $wgRequest->getVal( 'section' );
 207                                 $oldid = $wgRequest->getVal( 'oldid' );
 208                                 if(!$wgUseExternalEditor || $action=='submit' || $internal ||
 209                                    $section || $oldid || (!$wgUser->getOption('externaleditor') && !$external)) {
 210                                         require_once( 'includes/EditPage.php' );
 211                                         $editor = new EditPage( $wgArticle );
 212                                         $editor->submit();
 213                                 } elseif($wgUseExternalEditor && ($external || $wgUser->getOption('externaleditor'))) {
 214                                         require_once( 'includes/ExternalEdit.php' );
 215                                         $mode = $wgRequest->getVal( 'mode' );
 216                                         $extedit = new ExternalEdit( $wgArticle, $mode );
 217                                         $extedit->edit();
 218                                 }
 219                                 break;
 220                         case 'history':
 221                                 if ($_SERVER['REQUEST_URI'] == $wgTitle->getInternalURL('action=history')) {
 222                                         $wgOut->setSquidMaxage( $wgSquidMaxage );
 223                                 }
 224                                 require_once( 'includes/PageHistory.php' );
 225                                 $history = new PageHistory( $wgArticle );
 226                                 $history->history();
 227                                 break;
 228                         case 'raw':
 229                                 require_once( 'includes/RawPage.php' );
 230                                 $raw = new RawPage( $wgArticle );
 231                                 $raw->view();
 232                                 break;
 233                         case 'purge':
 234                                 wfPurgeSquidServers(array($wgTitle->getInternalURL()));
 235                                 $wgOut->setSquidMaxage( $wgSquidMaxage );
 236                                 $wgTitle->invalidateCache();
 237                                 $wgArticle->view();
 238                                 break;
 239                         default:
 240                                 if (wfRunHooks('UnknownAction', $action, $wgArticle)) {
 241                                         $wgOut->errorpage( 'nosuchaction', 'nosuchactiontext' );
 242                                 }
 243                 }
 244         }
 245 }
 246 wfProfileOut( 'main-action' );
 247
 248 # Deferred updates aren't really deferred anymore. It's important to report errors to the
 249 # user, and that means doing this before OutputPage::output(). Note that for page saves,
 250 # the client will wait until the script exits anyway before following the redirect.
 251 wfProfileIn( 'main-updates' );
 252 foreach ( $wgDeferredUpdateList as $up ) {
 253         $up->doUpdate();
 254 }
 255 wfProfileOut( 'main-updates' );
 256
 257 wfProfileIn( 'main-cleanup' );
 258 $wgLoadBalancer->saveMasterPos();
 259
 260 # Now commit any transactions, so that unreported errors after output() don't roll back the whole thing
 261 $wgLoadBalancer->commitAll();
 262
 263 $wgOut->output();
 264
 265 foreach ( $wgPostCommitUpdateList as $up ) {
 266         $up->doUpdate();
 267 }
 268
 269 wfProfileOut( 'main-cleanup' );
 270
 271 logProfilingData();
 272 $wgLoadBalancer->closeAll();
 273 wfDebug( "Request ended normally\n" );
 274 ?>