mHeaders = $this->mCookies = $this->mMetatags =
$this->mKeywords = $this->mLinktags = array();
$this->mHTMLtitle = $this->mPagetitle = $this->mBodytext =
$this->mRedirect = $this->mLastModified =
$this->mSubtitle = $this->mDebugtext = $this->mRobotpolicy =
$this->mOnloadHandler = "";
$this->mIsArticleRelated = $this->mIsarticle = $this->mPrintable = true;
$this->mSuppressQuickbar = $this->mPrintable = false;
$this->mLanguageLinks = array();
$this->mCategoryLinks = array() ;
$this->mDoNothing = false;
$this->mContainsOldMagic = $this->mContainsNewMagic = 0;
$this->mParserOptions = ParserOptions::newFromUser( $temp = NULL );
$this->mSquidMaxage = 0;
}
function addHeader( $name, $val ) { array_push( $this->mHeaders, "$name: $val" ) ; }
function addCookie( $name, $val ) { array_push( $this->mCookies, array( $name, $val ) ); }
function redirect( $url, $responsecode = '302' ) { $this->mRedirect = $url; $this->mRedirectCode = $responsecode; }
# To add an http-equiv meta tag, precede the name with "http:"
function addMeta( $name, $val ) { array_push( $this->mMetatags, array( $name, $val ) ); }
function addKeyword( $text ) { array_push( $this->mKeywords, $text ); }
function addLink( $linkarr ) {
# $linkarr should be an associative array of attributes. We'll escape on output.
array_push( $this->mLinktags, $linkarr );
}
function addMetadataLink( $linkarr ) {
# note: buggy CC software only reads first "meta" link
static $haveMeta = false;
$linkarr["rel"] = ($haveMeta) ? "alternate meta" : "meta";
$this->addLink( $linkarr );
$haveMeta = true;
}
# checkLastModified tells the client to use the client-cached page if
# possible. If sucessful, the OutputPage is disabled so that
# any future call to OutputPage->output() have no effect. The method
# returns true iff cache-ok headers was sent.
function checkLastModified ( $timestamp )
{
global $wgLang, $wgCachePages, $wgUser;
if( !$wgCachePages ) {
wfDebug( "CACHE DISABLED\n", false );
return;
}
if( preg_match( '/MSIE ([1-4]|5\.0)/', $_SERVER["HTTP_USER_AGENT"] ) ) {
# IE 5.0 has probs with our caching
wfDebug( "-- bad client, not caching\n", false );
return;
}
if( $wgUser->getOption( "nocache" ) ) {
wfDebug( "USER DISABLED CACHE\n", false );
return;
}
$lastmod = gmdate( "D, j M Y H:i:s", wfTimestamp2Unix(
max( $timestamp, $wgUser->mTouched ) ) ) . " GMT";
if( !empty( $_SERVER["HTTP_IF_MODIFIED_SINCE"] ) ) {
# IE sends sizes after the date like this:
# Wed, 20 Aug 2003 06:51:19 GMT; length=5202
# this breaks strtotime().
$modsince = preg_replace( '/;.*$/', '', $_SERVER["HTTP_IF_MODIFIED_SINCE"] );
$ismodsince = wfUnix2Timestamp( strtotime( $modsince ) );
wfDebug( "-- client send If-Modified-Since: " . $modsince . "\n", false );
wfDebug( "-- we might send Last-Modified : $lastmod\n", false );
if( ($ismodsince >= $timestamp ) and $wgUser->validateCache( $ismodsince ) ) {
# Make sure you're in a place you can leave when you call us!
header( "HTTP/1.0 304 Not Modified" );
$this->mLastModified = $lastmod;
$this->sendCacheControl();
wfDebug( "CACHED client: $ismodsince ; user: $wgUser->mTouched ; page: $timestamp\n", false );
$this->disable();
return true;
} else {
wfDebug( "READY client: $ismodsince ; user: $wgUser->mTouched ; page: $timestamp\n", false );
$this->mLastModified = $lastmod;
}
} else {
wfDebug( "We're confused.\n", false );
$this->mLastModified = $lastmod;
}
}
function setRobotpolicy( $str ) { $this->mRobotpolicy = $str; }
function setHTMLtitle( $name ) { $this->mHTMLtitle = $name; }
function setPageTitle( $name ) { $this->mPagetitle = $name; }
function getPageTitle() { return $this->mPagetitle; }
function setSubtitle( $str ) { $this->mSubtitle = $str; }
function getSubtitle() { return $this->mSubtitle; }
function isArticle() { return $this->mIsarticle; }
function setPrintable() { $this->mPrintable = true; }
function isPrintable() { return $this->mPrintable; }
function setSyndicated( $show = true ) { $this->mShowFeedLinks = $show; }
function isSyndicated() { return $this->mShowFeedLinks; }
function setOnloadHandler( $js ) { $this->mOnloadHandler = $js; }
function getOnloadHandler() { return $this->mOnloadHandler; }
function disable() { $this->mDoNothing = true; }
function setArticleRelated( $v )
{
$this->mIsArticleRelated = $v;
if ( !$v ) {
$this->mIsarticle = false;
}
}
function setArticleFlag( $v ) {
$this->mIsarticle = $v;
if ( $v ) {
$this->mIsArticleRelated = $v;
}
}
function isArticleRelated()
{
return $this->mIsArticleRelated;
}
function getLanguageLinks() {
global $wgTitle, $wgLanguageCode;
global $wgDBconnection, $wgDBname;
return $this->mLanguageLinks;
}
function suppressQuickbar() { $this->mSuppressQuickbar = true; }
function isQuickbarSuppressed() { return $this->mSuppressQuickbar; }
function addHTML( $text ) { $this->mBodytext .= $text; }
function addHeadtext( $text ) { $this->mHeadtext .= $text; }
function debug( $text ) { $this->mDebugtext .= $text; }
function setParserOptions( $options )
{
return wfSetVar( $this->mParserOptions, $options );
}
# First pass--just handle sections, pass the rest off
# to doWikiPass2() which does all the real work.
#
# $cacheArticle - assume this text is the main text for the given article
#
function addWikiText( $text, $linestart = true, $cacheArticle = NULL )
{
global $wgParser, $wgParserCache, $wgUser, $wgTitle;
$parserOutput = false;
if ( $cacheArticle ) {
$parserOutput = $wgParserCache->get( $cacheArticle, $wgUser );
}
if ( $parserOutput === false ) {
$parserOutput = $wgParser->parse( $text, $wgTitle, $this->mParserOptions, $linestart );
if ( $cacheArticle ) {
$wgParserCache->save( $parserOutput, $cacheArticle, $wgUser );
}
}
$this->mLanguageLinks += $parserOutput->getLanguageLinks();
$this->mCategoryLinks += $parserOutput->getCategoryLinks();
$this->addHTML( $parserOutput->getText() );
}
# Set the maximum cache time on the Squid in seconds
function setSquidMaxage( $maxage ) {
$this->mSquidMaxage = $maxage;
}
# Use enableClientCache(false) to force it to send nocache headers
function enableClientCache( $state ) {
return wfSetVar( $this->mEnableClientCache, $state );
}
function sendCacheControl() {
global $wgUseSquid, $wgUseESI;
# FIXME: This header may cause trouble with some versions of Internet Explorer
header( "Vary: Accept-Encoding, Cookie" );
if( $this->mEnableClientCache && $this->mLastModified != "" ) {
if( $wgUseSquid && ! isset( $_COOKIE[ini_get( "session.name") ] ) &&
! $this->isPrintable() )
{
if ( $wgUseESI ) {
# We'll purge the proxy cache explicitly, but require end user agents
# to revalidate against the proxy on each visit.
# Surrogate-Control controls our Squid, Cache-Control downstream caches
wfDebug( "** proxy caching with ESI; {$this->mLastModified} **\n", false );
# start with a shorter timeout for initial testing
# header( 'Surrogate-Control: max-age=2678400+2678400, content="ESI/1.0"');
header( 'Surrogate-Control: max-age='.$wgSquidMaxage.'+'.$this->mSquidMaxage.', content="ESI/1.0"');
header( 'Cache-Control: s-maxage=0, must-revalidate, max-age=0' );
} else {
# We'll purge the proxy cache for anons explicitly, but require end user agents
# to revalidate against the proxy on each visit.
# IMPORTANT! The Squid needs to replace the Cache-Control header with
# Cache-Control: s-maxage=0, must-revalidate, max-age=0
wfDebug( "** local proxy caching; {$this->mLastModified} **\n", false );
# start with a shorter timeout for initial testing
# header( "Cache-Control: s-maxage=2678400, must-revalidate, max-age=0" );
header( 'Cache-Control: s-maxage='.$this->mSquidMaxage.', must-revalidate, max-age=0' );
}
} else {
# We do want clients to cache if they can, but they *must* check for updates
# on revisiting the page.
wfDebug( "** private caching; {$this->mLastModified} **\n", false );
header( "Expires: -1" );
header( "Cache-Control: private, must-revalidate, max-age=0" );
}
header( "Last-modified: {$this->mLastModified}" );
} else {
wfDebug( "** no caching **\n", false );
# In general, the absence of a last modified header should be enough to prevent
# the client from using its cache. We send a few other things just to make sure.
header( "Expires: -1" );
header( "Cache-Control: no-cache, no-store, max-age=0, must-revalidate" );
header( "Pragma: no-cache" );
}
}
# Finally, all the text has been munged and accumulated into
# the object, let's actually output it:
#
function output()
{
global $wgUser, $wgLang, $wgDebugComments, $wgCookieExpiration;
global $wgInputEncoding, $wgOutputEncoding, $wgLanguageCode;
global $wgDebugRedirects, $wgMimeType;
if( $this->mDoNothing ){
return;
}
$fname = "OutputPage::output";
wfProfileIn( $fname );
$sk = $wgUser->getSkin();
if ( "" != $this->mRedirect ) {
if( substr( $this->mRedirect, 0, 4 ) != "http" ) {
# Standards require redirect URLs to be absolute
global $wgServer;
$this->mRedirect = $wgServer . $this->mRedirect;
}
if( $this->mRedirectCode == '301') {
if( !$wgDebugRedirects ) {
header("HTTP/1.1 {$this->mRedirectCode} Moved Permanently");
}
$this->mLastModified = gmdate( "D, j M Y H:i:s" ) . " GMT";
}
$this->sendCacheControl();
if( $wgDebugRedirects ) {
$url = htmlspecialchars( $this->mRedirect );
print "\n\nRedirect\n\n\n";
print "Location: $url
\n";
print "\n\n";
} else {
header( "Location: {$this->mRedirect}" );
}
return;
}
$this->sendCacheControl();
header( "Content-type: $wgMimeType; charset={$wgOutputEncoding}" );
header( "Content-language: {$wgLanguageCode}" );
$exp = time() + $wgCookieExpiration;
foreach( $this->mCookies as $name => $val ) {
setcookie( $name, $val, $exp, "/" );
}
$sk->outputPage( $this );
# flush();
}
function out( $ins )
{
global $wgInputEncoding, $wgOutputEncoding, $wgLang;
if ( 0 == strcmp( $wgInputEncoding, $wgOutputEncoding ) ) {
$outs = $ins;
} else {
$outs = $wgLang->iconv( $wgInputEncoding, $wgOutputEncoding, $ins );
if ( false === $outs ) { $outs = $ins; }
}
print $outs;
}
function setEncodings()
{
global $wgInputEncoding, $wgOutputEncoding;
global $wgUser, $wgLang;
$wgInputEncoding = strtolower( $wgInputEncoding );
if( $wgUser->getOption( 'altencoding' ) ) {
$wgLang->setAltEncoding();
return;
}
if ( empty( $_SERVER['HTTP_ACCEPT_CHARSET'] ) ) {
$wgOutputEncoding = strtolower( $wgOutputEncoding );
return;
}
/*
# This code is unused anyway!
# Commenting out. --bv 2003-11-15
$a = explode( ",", $_SERVER['HTTP_ACCEPT_CHARSET'] );
$best = 0.0;
$bestset = "*";
foreach ( $a as $s ) {
if ( preg_match( "/(.*);q=(.*)/", $s, $m ) ) {
$set = $m[1];
$q = (float)($m[2]);
} else {
$set = $s;
$q = 1.0;
}
if ( $q > $best ) {
$bestset = $set;
$best = $q;
}
}
#if ( "*" == $bestset ) { $bestset = "iso-8859-1"; }
if ( "*" == $bestset ) { $bestset = $wgOutputEncoding; }
$wgOutputEncoding = strtolower( $bestset );
# Disable for now
#
*/
$wgOutputEncoding = $wgInputEncoding;
}
# Returns a HTML comment with the elapsed time since request.
# This method has no side effects.
function reportTime()
{
global $wgRequestTime;
$now = wfTime();
list( $usec, $sec ) = explode( " ", $wgRequestTime );
$start = (float)$sec + (float)$usec;
$elapsed = $now - $start;
$com = sprintf( "",
$elapsed );
return $com;
}
# Note: these arguments are keys into wfMsg(), not text!
#
function errorpage( $title, $msg )
{
global $wgTitle;
$this->mDebugtext .= "Original title: " .
$wgTitle->getPrefixedText() . "\n";
$this->setHTMLTitle( wfMsg( "errorpagetitle" ) );
$this->setPageTitle( wfMsg( $title ) );
$this->setRobotpolicy( "noindex,nofollow" );
$this->setArticleRelated( false );
$this->enableClientCache( false );
$this->mBodytext = "";
$this->addHTML( "" . wfMsg( $msg ) . "
\n" );
$this->returnToMain( false );
$this->output();
wfAbruptExit();
}
function sysopRequired()
{
global $wgUser;
$this->setHTMLTitle( wfMsg( "errorpagetitle" ) );
$this->setPageTitle( wfMsg( "sysoptitle" ) );
$this->setRobotpolicy( "noindex,nofollow" );
$this->setArticleRelated( false );
$this->mBodytext = "";
$sk = $wgUser->getSkin();
$ap = $sk->makeKnownLink( wfMsg( "administrators" ), "" );
$this->addHTML( wfMsg( "sysoptext", $ap ) );
$this->returnToMain();
}
function developerRequired()
{
global $wgUser;
$this->setHTMLTitle( wfMsg( "errorpagetitle" ) );
$this->setPageTitle( wfMsg( "developertitle" ) );
$this->setRobotpolicy( "noindex,nofollow" );
$this->setArticleRelated( false );
$this->mBodytext = "";
$sk = $wgUser->getSkin();
$ap = $sk->makeKnownLink( wfMsg( "administrators" ), "" );
$this->addHTML( wfMsg( "developertext", $ap ) );
$this->returnToMain();
}
function loginToUse()
{
global $wgUser, $wgTitle, $wgLang;
$this->setHTMLTitle( wfMsg( "errorpagetitle" ) );
$this->setPageTitle( wfMsg( "loginreqtitle" ) );
$this->setRobotpolicy( "noindex,nofollow" );
$this->setArticleFlag( false );
$this->mBodytext = "";
$this->addWikiText( wfMsg( "loginreqtext" ) );
# We put a comment in the .html file so a Sysop can diagnose the page the
# user can't see.
$this->addHTML( "\n" );
$this->returnToMain(); # Flip back to the main page after 10 seconds.
}
function databaseError( $fname, &$conn )
{
global $wgUser, $wgCommandLineMode;
$this->setPageTitle( wfMsgNoDB( "databaseerror" ) );
$this->setRobotpolicy( "noindex,nofollow" );
$this->setArticleRelated( false );
$this->enableClientCache( false );
if ( $wgCommandLineMode ) {
$msg = wfMsgNoDB( "dberrortextcl" );
} else {
$msg = wfMsgNoDB( "dberrortext" );
}
$msg = str_replace( "$1", htmlspecialchars( $conn->lastQuery() ), $msg );
$msg = str_replace( "$2", htmlspecialchars( $fname ), $msg );
$msg = str_replace( "$3", $conn->lastErrno(), $msg );
$msg = str_replace( "$4", htmlspecialchars( $conn->lastError() ), $msg );
if ( $wgCommandLineMode || !is_object( $wgUser )) {
print "$msg\n";
wfAbruptExit();
}
$sk = $wgUser->getSkin();
$shlink = $sk->makeKnownLink( wfMsgNoDB( "searchhelppage" ),
wfMsgNoDB( "searchingwikipedia" ) );
$msg = str_replace( "$5", $shlink, $msg );
$this->mBodytext = $msg;
$this->output();
wfAbruptExit();
}
function readOnlyPage( $source = "", $protected = false )
{
global $wgUser, $wgReadOnlyFile;
$this->setRobotpolicy( "noindex,nofollow" );
$this->setArticleRelated( false );
if( $protected ) {
$this->setPageTitle( wfMsg( "viewsource" ) );
$this->addWikiText( wfMsg( "protectedtext" ) );
} else {
$this->setPageTitle( wfMsg( "readonly" ) );
$reason = file_get_contents( $wgReadOnlyFile );
$this->addHTML( wfMsg( "readonlytext", $reason ) );
}
if($source) {
$rows = $wgUser->getOption( "rows" );
$cols = $wgUser->getOption( "cols" );
$text .= "
\n";
$this->addHTML( $text );
}
$this->returnToMain( false );
}
function fatalError( $message )
{
$this->setPageTitle( wfMsg( "internalerror" ) );
$this->setRobotpolicy( "noindex,nofollow" );
$this->setArticleRelated( false );
$this->enableClientCache( false );
$this->mBodytext = $message;
$this->output();
wfAbruptExit();
}
function unexpectedValueError( $name, $val )
{
$this->fatalError( wfMsg( "unexpected", $name, $val ) );
}
function fileCopyError( $old, $new )
{
$this->fatalError( wfMsg( "filecopyerror", $old, $new ) );
}
function fileRenameError( $old, $new )
{
$this->fatalError( wfMsg( "filerenameerror", $old, $new ) );
}
function fileDeleteError( $name )
{
$this->fatalError( wfMsg( "filedeleteerror", $name ) );
}
function fileNotFoundError( $name )
{
$this->fatalError( wfMsg( "filenotfound", $name ) );
}
function returnToMain( $auto = true, $returnto = NULL )
{
global $wgUser, $wgOut, $wgRequest;
if ( $returnto == NULL ) {
$returnto = $wgRequest->getText( 'returnto' );
}
$sk = $wgUser->getSkin();
if ( "" == $returnto ) {
$returnto = wfMsg( "mainpage" );
}
$link = $sk->makeKnownLink( $returnto, "" );
$r = wfMsg( "returnto", $link );
if ( $auto ) {
$titleObj = Title::newFromText( $returnto );
$wgOut->addMeta( "http:Refresh", "10;url=" . $titleObj->escapeFullURL() );
}
$wgOut->addHTML( "\n$r
\n" );
}
# This function takes the existing and broken links for the page
# and uses the first 10 of them for META keywords
function addMetaTags ()
{
global $wgLinkCache , $wgOut ;
$good = array_keys ( $wgLinkCache->mGoodLinks ) ;
$bad = array_keys ( $wgLinkCache->mBadLinks ) ;
$a = array_merge ( $good , $bad ) ;
$a = array_slice ( $a , 0 , 10 ) ; # 10 keywords max
$a = implode ( "," , $a ) ;
$wgOut->addMeta ( "KEYWORDS" , $a ) ;
}
/* private */ function headElement()
{
global $wgDocType, $wgDTD, $wgLanguageCode, $wgOutputEncoding, $wgMimeType;
global $wgUser, $wgLang, $wgRequest;
$xml = ($wgMimeType == 'text/xml');
if( $xml ) {
$ret = "<" . "?xml version=\"1.0\" encoding=\"$wgOutputEncoding\" ?" . ">\n";
} else {
$ret = "";
}
$ret .= "\n";
if ( "" == $this->mHTMLtitle ) {
$this->mHTMLtitle = $this->mPagetitle;
}
if( $xml ) {
$xmlbits = "xmlns=\"http://www.w3.org/1999/xhtml\" xml:lang=\"en\"";
} else {
$xmlbits = "";
}
$rtl = $wgLang->isRTL() ? " dir='RTL'" : "";
$ret .= "\n";
$ret .= "\n{$this->mHTMLtitle}\n";
array_push( $this->mMetatags, array( "http:Content-type", "$wgMimeType; charset={$wgOutputEncoding}" ) );
$ret .= $this->getHeadLinks();
global $wgStyleSheetPath;
if( $this->isPrintable() ) {
$media = "";
} else {
$media = "media='print'";
}
$printsheet = htmlspecialchars( "$wgStyleSheetPath/wikiprintable.css" );
$ret .= "\n";
$sk = $wgUser->getSkin();
$ret .= $sk->getHeadScripts();
$ret .= $sk->getUserStyles();
$ret .= "\n";
return $ret;
}
function getHeadLinks() {
global $wgRequest, $wgStyleSheetPath;
$ret = "";
foreach ( $this->mMetatags as $tag ) {
if ( 0 == strcasecmp( "http:", substr( $tag[0], 0, 5 ) ) ) {
$a = "http-equiv";
$tag[0] = substr( $tag[0], 5 );
} else {
$a = "name";
}
$ret .= "\n";
}
$p = $this->mRobotpolicy;
if ( "" == $p ) { $p = "index,follow"; }
$ret .= "\n";
if ( count( $this->mKeywords ) > 0 ) {
$ret .= "mKeywords ) . "\" />\n";
}
foreach ( $this->mLinktags as $tag ) {
$ret .= " $val ) {
$ret .= " $attr=\"" . htmlspecialchars( $val ) . "\"";
}
$ret .= " />\n";
}
if( $this->isSyndicated() ) {
$link = $wgRequest->escapeAppendQuery( "feed=rss" );
$ret .= "\n";
}
# FIXME: get these working
# $fix = htmlspecialchars( $wgStyleSheetPath . "/ie-png-fix.js" );
# $ret .= "";
return $ret;
}
}
?>