MediaWiki
REL1_22
|
00001 <?php 00035 class RawAction extends FormlessAction { 00036 private $mGen; 00037 00038 public function getName() { 00039 return 'raw'; 00040 } 00041 00042 public function requiresWrite() { 00043 return false; 00044 } 00045 00046 public function requiresUnblock() { 00047 return false; 00048 } 00049 00050 function onView() { 00051 global $wgSquidMaxage, $wgForcedRawSMaxage; 00052 00053 $this->getOutput()->disable(); 00054 $request = $this->getRequest(); 00055 00056 if ( !$request->checkUrlExtension() ) { 00057 return; 00058 } 00059 00060 if ( $this->getOutput()->checkLastModified( $this->page->getTouched() ) ) { 00061 return; // Client cache fresh and headers sent, nothing more to do. 00062 } 00063 00064 # special case for 'generated' raw things: user css/js 00065 # This is deprecated and will only return empty content 00066 $gen = $request->getVal( 'gen' ); 00067 $smaxage = $request->getIntOrNull( 'smaxage' ); 00068 00069 if ( $gen == 'css' || $gen == 'js' ) { 00070 $this->mGen = $gen; 00071 if ( $smaxage === null ) { 00072 $smaxage = $wgSquidMaxage; 00073 } 00074 } else { 00075 $this->mGen = false; 00076 } 00077 00078 $contentType = $this->getContentType(); 00079 00080 # Force caching for CSS and JS raw content, default: 5 minutes 00081 if ( $smaxage === null ) { 00082 if ( $contentType == 'text/css' || $contentType == 'text/javascript' ) { 00083 $smaxage = intval( $wgForcedRawSMaxage ); 00084 } else { 00085 $smaxage = 0; 00086 } 00087 } 00088 00089 $maxage = $request->getInt( 'maxage', $wgSquidMaxage ); 00090 00091 $response = $request->response(); 00092 00093 $response->header( 'Content-type: ' . $contentType . '; charset=UTF-8' ); 00094 # Output may contain user-specific data; 00095 # vary generated content for open sessions on private wikis 00096 $privateCache = !User::isEveryoneAllowed( 'read' ) && ( $smaxage == 0 || session_id() != '' ); 00097 // Bug 53032 - make this private if user is logged in, 00098 // so we don't accidentally cache cookies 00099 $privateCache = $privateCache ?: $this->getUser()->isLoggedIn(); 00100 # allow the client to cache this for 24 hours 00101 $mode = $privateCache ? 'private' : 'public'; 00102 $response->header( 'Cache-Control: ' . $mode . ', s-maxage=' . $smaxage . ', max-age=' . $maxage ); 00103 00104 $text = $this->getRawText(); 00105 00106 if ( $text === false && $contentType == 'text/x-wiki' ) { 00107 # Don't return a 404 response for CSS or JavaScript; 00108 # 404s aren't generally cached and it would create 00109 # extra hits when user CSS/JS are on and the user doesn't 00110 # have the pages. 00111 $response->header( 'HTTP/1.x 404 Not Found' ); 00112 } 00113 00114 if ( !wfRunHooks( 'RawPageViewBeforeOutput', array( &$this, &$text ) ) ) { 00115 wfDebug( __METHOD__ . ": RawPageViewBeforeOutput hook broke raw page output.\n" ); 00116 } 00117 00118 echo $text; 00119 } 00120 00127 public function getRawText() { 00128 global $wgParser; 00129 00130 # No longer used 00131 if ( $this->mGen ) { 00132 return ''; 00133 } 00134 00135 $text = false; 00136 $title = $this->getTitle(); 00137 $request = $this->getRequest(); 00138 00139 // If it's a MediaWiki message we can just hit the message cache 00140 if ( $request->getBool( 'usemsgcache' ) && $title->getNamespace() == NS_MEDIAWIKI ) { 00141 // The first "true" is to use the database, the second is to use the content langue 00142 // and the last one is to specify the message key already contains the language in it ("/de", etc.) 00143 $text = MessageCache::singleton()->get( $title->getDBkey(), true, true, true ); 00144 // If the message doesn't exist, return a blank 00145 if ( $text === false ) { 00146 $text = ''; 00147 } 00148 } else { 00149 // Get it from the DB 00150 $rev = Revision::newFromTitle( $title, $this->getOldId() ); 00151 if ( $rev ) { 00152 $lastmod = wfTimestamp( TS_RFC2822, $rev->getTimestamp() ); 00153 $request->response()->header( "Last-modified: $lastmod" ); 00154 00155 // Public-only due to cache headers 00156 $content = $rev->getContent(); 00157 00158 if ( $content === null ) { 00159 // revision not found (or suppressed) 00160 $text = false; 00161 } elseif ( !$content instanceof TextContent ) { 00162 // non-text content 00163 wfHttpError( 415, "Unsupported Media Type", "The requested page uses the content model `" 00164 . $content->getModel() . "` which is not supported via this interface." ); 00165 die(); 00166 } else { 00167 // want a section? 00168 $section = $request->getIntOrNull( 'section' ); 00169 if ( $section !== null ) { 00170 $content = $content->getSection( $section ); 00171 } 00172 00173 if ( $content === null || $content === false ) { 00174 // section not found (or section not supported, e.g. for JS and CSS) 00175 $text = false; 00176 } else { 00177 $text = $content->getNativeData(); 00178 } 00179 } 00180 } 00181 } 00182 00183 if ( $text !== false && $text !== '' && $request->getVal( 'templates' ) === 'expand' ) { 00184 $text = $wgParser->preprocess( $text, $title, ParserOptions::newFromContext( $this->getContext() ) ); 00185 } 00186 00187 return $text; 00188 } 00189 00195 public function getOldId() { 00196 $oldid = $this->getRequest()->getInt( 'oldid' ); 00197 switch ( $this->getRequest()->getText( 'direction' ) ) { 00198 case 'next': 00199 # output next revision, or nothing if there isn't one 00200 if ( $oldid ) { 00201 $oldid = $this->getTitle()->getNextRevisionID( $oldid ); 00202 } 00203 $oldid = $oldid ? $oldid : -1; 00204 break; 00205 case 'prev': 00206 # output previous revision, or nothing if there isn't one 00207 if ( !$oldid ) { 00208 # get the current revision so we can get the penultimate one 00209 $oldid = $this->page->getLatest(); 00210 } 00211 $prev = $this->getTitle()->getPreviousRevisionID( $oldid ); 00212 $oldid = $prev ? $prev : -1; 00213 break; 00214 case 'cur': 00215 $oldid = 0; 00216 break; 00217 } 00218 return $oldid; 00219 } 00220 00226 public function getContentType() { 00227 $ctype = $this->getRequest()->getVal( 'ctype' ); 00228 00229 if ( $ctype == '' ) { 00230 $gen = $this->getRequest()->getVal( 'gen' ); 00231 if ( $gen == 'js' ) { 00232 $ctype = 'text/javascript'; 00233 } elseif ( $gen == 'css' ) { 00234 $ctype = 'text/css'; 00235 } 00236 } 00237 00238 $allowedCTypes = array( 'text/x-wiki', 'text/javascript', 'text/css', 'application/x-zope-edit' ); 00239 if ( $ctype == '' || !in_array( $ctype, $allowedCTypes ) ) { 00240 $ctype = 'text/x-wiki'; 00241 } 00242 00243 return $ctype; 00244 } 00245 } 00246 00252 class RawPage extends RawAction { 00253 public $mOldId; 00254 00259 function __construct( Page $page, $request = false ) { 00260 wfDeprecated( __CLASS__, '1.19' ); 00261 parent::__construct( $page ); 00262 00263 if ( $request !== false ) { 00264 $context = new DerivativeContext( $this->getContext() ); 00265 $context->setRequest( $request ); 00266 $this->context = $context; 00267 } 00268 } 00269 00270 public function view() { 00271 $this->onView(); 00272 } 00273 00274 public function getOldId() { 00275 # Some extensions like to set $mOldId 00276 if ( $this->mOldId !== null ) { 00277 return $this->mOldId; 00278 } 00279 return parent::getOldId(); 00280 } 00281 }