X-Git-Url: https://git.heureux-cyclage.org/?a=blobdiff_plain;f=includes%2FRawPage.php;h=b1e2539a261d200ad60984270785561129bdd30c;hb=160de68802e3b60802bf1f8425f771ead9846ee1;hp=2a806d888647e632942745fb0f0f58890d71e922;hpb=602845867210e0a65a074cb9df055ccaaea789a1;p=lhc%2Fweb%2Fwiklou.git diff --git a/includes/RawPage.php b/includes/RawPage.php index 2a806d8886..b1e2539a26 100644 --- a/includes/RawPage.php +++ b/includes/RawPage.php @@ -1,106 +1,242 @@ - * http://www.aulinx.de/ + * Copyright (C) 2004 Gabriel Wicke + * http://wikidev.net/ * Based on PageHistory and SpecialExport - * + * * License: GPL (http://www.gnu.org/copyleft/gpl.html) * - * @author Gabriel Wicke - * @package MediaWiki + * @author Gabriel Wicke + * @file */ /** - * @todo document - * @package MediaWiki + * A simple method to retrieve the plain source of an article, + * using "action=raw" in the GET request string. */ class RawPage { + var $mArticle, $mTitle, $mRequest; + var $mOldId, $mGen, $mCharset, $mSection; + var $mSmaxage, $mMaxage; + var $mContentType, $mExpandTemplates; + + function __construct( &$article, $request = false ) { + global $wgRequest, $wgInputEncoding, $wgSquidMaxage, $wgJsMimeType, $wgForcedRawSMaxage, $wgGroupPermissions; - function RawPage( $article ) { - global $wgRequest, $wgInputEncoding, $wgSquidMaxage; - $allowedCTypes = array('text/x-wiki', 'text/javascript', 'text/css', 'application/x-zope-edit'); + $allowedCTypes = array('text/x-wiki', $wgJsMimeType, 'text/css', 'application/x-zope-edit'); $this->mArticle =& $article; $this->mTitle =& $article->mTitle; - - $ctype = $wgRequest->getText( 'ctype' ); - $smaxage = $wgRequest->getInt( 'smaxage', $wgSquidMaxage ); - $maxage = $wgRequest->getInt( 'maxage', $wgSquidMaxage ); - $this->mOldId = $wgRequest->getInt( 'oldid' ); + + if ( $request === false ) { + $this->mRequest =& $wgRequest; + } else { + $this->mRequest = $request; + } + + $ctype = $this->mRequest->getVal( 'ctype' ); + $smaxage = $this->mRequest->getIntOrNull( 'smaxage', $wgSquidMaxage ); + $maxage = $this->mRequest->getInt( 'maxage', $wgSquidMaxage ); + + $this->mExpandTemplates = $this->mRequest->getVal( 'templates' ) === 'expand'; + $this->mUseMessageCache = $this->mRequest->getBool( 'usemsgcache' ); + + $this->mSection = $this->mRequest->getIntOrNull( 'section' ); + + $oldid = $this->mRequest->getInt( 'oldid' ); + + switch ( $wgRequest->getText( 'direction' ) ) { + case 'next': + # output next revision, or nothing if there isn't one + if ( $oldid ) { + $oldid = $this->mTitle->getNextRevisionId( $oldid ); + } + $oldid = $oldid ? $oldid : -1; + break; + case 'prev': + # output previous revision, or nothing if there isn't one + if ( ! $oldid ) { + # get the current revision so we can get the penultimate one + $this->mArticle->getTouched(); + $oldid = $this->mArticle->mLatest; + } + $prev = $this->mTitle->getPreviousRevisionId( $oldid ); + $oldid = $prev ? $prev : -1 ; + break; + case 'cur': + $oldid = 0; + break; + } + $this->mOldId = $oldid; + # special case for 'generated' raw things: user css/js - $gen = $wgRequest->getText( 'gen' ); + $gen = $this->mRequest->getVal( 'gen' ); + if($gen == 'css') { $this->mGen = $gen; - if($smaxage == '') $smaxage = $wgSquidMaxage; + if( is_null( $smaxage ) ) $smaxage = $wgSquidMaxage; if($ctype == '') $ctype = 'text/css'; - } else if ($gen == 'js') { + } elseif ($gen == 'js') { $this->mGen = $gen; - if($smaxage == '') $smaxage = $wgSquidMaxage; - if($ctype == '') $ctype = 'text/javascript'; + if( is_null( $smaxage ) ) $smaxage = $wgSquidMaxage; + if($ctype == '') $ctype = $wgJsMimeType; } else { $this->mGen = false; } $this->mCharset = $wgInputEncoding; - $this->mSmaxage = $smaxage; + + # Force caching for CSS and JS raw content, default: 5 minutes + if (is_null($smaxage) and ($ctype=='text/css' or $ctype==$wgJsMimeType)) { + $this->mSmaxage = intval($wgForcedRawSMaxage); + } else { + $this->mSmaxage = intval( $smaxage ); + } $this->mMaxage = $maxage; - if(empty($ctype) or !in_array($ctype, $allowedCTypes)) { + + # Output may contain user-specific data; + # vary generated content for open sessions and private wikis + if ($this->mGen or !$wgGroupPermissions['*']['read']) { + $this->mPrivateCache = ( $this->mSmaxage == 0 ) || + ( session_id() != '' ); + } else { + $this->mPrivateCache = false; + } + + if ( $ctype == '' or ! in_array( $ctype, $allowedCTypes ) ) { $this->mContentType = 'text/x-wiki'; } else { $this->mContentType = $ctype; } } - + function view() { - global $wgUser, $wgOut; + global $wgOut, $wgScript; + + if( isset( $_SERVER['SCRIPT_URL'] ) ) { + # Normally we use PHP_SELF to get the URL to the script + # as it was called, minus the query string. + # + # Some sites use Apache rewrite rules to handle subdomains, + # and have PHP set up in a weird way that causes PHP_SELF + # to contain the rewritten URL instead of the one that the + # outside world sees. + # + # If in this mode, use SCRIPT_URL instead, which mod_rewrite + # provides containing the "before" URL. + $url = $_SERVER['SCRIPT_URL']; + } else { + $url = $_SERVER['PHP_SELF']; + } + + if( strcmp( $wgScript, $url ) ) { + # Internet Explorer will ignore the Content-Type header if it + # thinks it sees a file extension it recognizes. Make sure that + # all raw requests are done through the script node, which will + # have eg '.php' and should remain safe. + # + # We used to redirect to a canonical-form URL as a general + # backwards-compatibility / good-citizen nice thing. However + # a lot of servers are set up in buggy ways, resulting in + # redirect loops which hang the browser until the CSS load + # times out. + # + # Just return a 403 Forbidden and get it over with. + wfHttpError( 403, 'Forbidden', + 'Raw pages must be accessed through the primary script entry point.' ); + return; + } + header( "Content-type: ".$this->mContentType.'; charset='.$this->mCharset ); # allow the client to cache this for 24 hours - header( 'Cache-Control: s-maxage='.$this->mSmaxage.', max-age='.$this->mMaxage ); + $mode = $this->mPrivateCache ? 'private' : 'public'; + header( 'Cache-Control: '.$mode.', s-maxage='.$this->mSmaxage.', max-age='.$this->mMaxage ); + $text = $this->getRawText(); + + if( !wfRunHooks( 'RawPageViewBeforeOutput', array( &$this, &$text ) ) ) { + wfDebug( __METHOD__ . ': RawPageViewBeforeOutput hook broke raw page output.' ); + } + + echo $text; + $wgOut->disable(); + } + + function getRawText() { + global $wgUser, $wgOut, $wgRequest; if($this->mGen) { $sk = $wgUser->getSkin(); $sk->initPage($wgOut); if($this->mGen == 'css') { - echo $sk->getUserStylesheet(); + return $sk->getUserStylesheet(); } else if($this->mGen == 'js') { - echo $sk->getUserJs(); + return $sk->getUserJs(); } } else { - echo $this->getrawtext(); + return $this->getArticleText(); } - $wgOut->disable(); } - - function getrawtext () { - global $wgInputEncoding, $wgContLang; - $fname = 'RawPage::getrawtext'; - - if( !$this->mTitle ) return ''; - $dbr =& wfGetDB( DB_SLAVE ); - extract( $dbr->tableNames( 'cur', 'old' ) ); - - $t = $dbr->strencode( $this->mTitle->getDBKey() ); - $ns = $this->mTitle->getNamespace(); - # special case - if($ns == NS_MEDIAWIKI) { - $rawtext = wfMsg($t); - return $rawtext; + + function getArticleText() { + $found = false; + $text = ''; + if( $this->mTitle ) { + // If it's a MediaWiki message we can just hit the message cache + if ( $this->mUseMessageCache && $this->mTitle->getNamespace() == NS_MEDIAWIKI ) { + $key = $this->mTitle->getDBkey(); + $text = wfMsgForContentNoTrans( $key ); + # If the message doesn't exist, return a blank + if( wfEmptyMsg( $key, $text ) ) + $text = ''; + $found = true; + } else { + // Get it from the DB + $rev = Revision::newFromTitle( $this->mTitle, $this->mOldId ); + if ( $rev ) { + $lastmod = wfTimestamp( TS_RFC2822, $rev->getTimestamp() ); + header( "Last-modified: $lastmod" ); + + if ( !is_null($this->mSection ) ) { + global $wgParser; + $text = $wgParser->getSection ( $rev->getText(), $this->mSection ); + } else + $text = $rev->getText(); + $found = true; + } + } } - # else get it from the DB - if(!empty($this->mOldId)) { - $sql = "SELECT old_text AS text,old_timestamp AS timestamp,". - "old_user AS user,old_flags AS flags FROM $old " . - "WHERE old_id={$this->mOldId}"; - } else { - $sql = "SELECT cur_id as id,cur_timestamp as timestamp,cur_user as user,cur_user_text as user_text," . - "cur_restrictions as restrictions,cur_comment as comment,cur_text as text FROM $cur " . - "WHERE cur_namespace=$ns AND cur_title='$t'"; + + # Bad title or page does not exist + if( !$found && $this->mContentType == 'text/x-wiki' ) { + # Don't return a 404 response for CSS or JavaScript; + # 404s aren't generally cached and it would create + # extra hits when user CSS/JS are on and the user doesn't + # have the pages. + header( "HTTP/1.0 404 Not Found" ); } - $res = $dbr->query( $sql, $fname ); - if( $s = $dbr->fetchObject( $res ) ) { - $rawtext = Article::getRevisionText( $s, "" ); - header( 'Last-modified: '.gmdate( "D, j M Y H:i:s", wfTimestamp2Unix( $s->timestamp )).' GMT' ); - return $rawtext; - } else { - return ''; + + // Special-case for empty CSS/JS + // + // Internet Explorer for Mac handles empty files badly; + // particularly so when keep-alive is active. It can lead + // to long timeouts as it seems to sit there waiting for + // more data that never comes. + // + // Give it a comment... + if( strlen( $text ) == 0 && + ($this->mContentType == 'text/css' || + $this->mContentType == 'text/javascript' ) ) { + return "/* Empty */"; } + + return $this->parseArticleText( $text ); + } + + function parseArticleText( $text ) { + if ( $text === '' ) + return ''; + else + if ( $this->mExpandTemplates ) { + global $wgParser; + return $wgParser->preprocess( $text, $this->mTitle, new ParserOptions() ); + } else + return $text; } } -?>