diff options
Diffstat (limited to 'includes/OutputHandler.php')
| -rw-r--r-- | includes/OutputHandler.php | 90 |
1 files changed, 50 insertions, 40 deletions
diff --git a/includes/OutputHandler.php b/includes/OutputHandler.php index 46a43f63..3860b8e2 100644 --- a/includes/OutputHandler.php +++ b/includes/OutputHandler.php @@ -22,20 +22,28 @@ /** * Standard output handler for use with ob_start - * + * * @param $s string - * + * * @return string */ function wfOutputHandler( $s ) { global $wgDisableOutputCompression, $wgValidateAllHtml; $s = wfMangleFlashPolicy( $s ); if ( $wgValidateAllHtml ) { - $headers = apache_response_headers(); - $isHTML = true; - foreach ( $headers as $name => $value ) { - if ( strtolower( $name ) == 'content-type' && strpos( $value, 'text/html' ) === false && strpos( $value, 'application/xhtml+xml' ) === false ) { - $isHTML = false; + $headers = headers_list(); + $isHTML = false; + foreach ( $headers as $header ) { + $parts = explode( ':', $header, 2 ); + if ( count( $parts ) !== 2 ) { + continue; + } + $name = strtolower( trim( $parts[0] ) ); + $value = trim( $parts[1] ); + if ( $name == 'content-type' && ( strpos( $value, 'text/html' ) === 0 + || strpos( $value, 'application/xhtml+xml' ) === 0 ) + ) { + $isHTML = true; break; } } @@ -64,10 +72,10 @@ function wfOutputHandler( $s ) { */ function wfRequestExtension() { /// @todo FIXME: this sort of dupes some code in WebRequest::getRequestUrl() - if( isset( $_SERVER['REQUEST_URI'] ) ) { + if ( isset( $_SERVER['REQUEST_URI'] ) ) { // Strip the query string... list( $path ) = explode( '?', $_SERVER['REQUEST_URI'], 2 ); - } elseif( isset( $_SERVER['SCRIPT_NAME'] ) ) { + } elseif ( isset( $_SERVER['SCRIPT_NAME'] ) ) { // Probably IIS. QUERY_STRING appears separately. $path = $_SERVER['SCRIPT_NAME']; } else { @@ -76,7 +84,7 @@ function wfRequestExtension() { } $period = strrpos( $path, '.' ); - if( $period !== false ) { + if ( $period !== false ) { return strtolower( substr( $path, $period ) ); } return ''; @@ -85,23 +93,23 @@ function wfRequestExtension() { /** * Handler that compresses data with gzip if allowed by the Accept header. * Unlike ob_gzhandler, it works for HEAD requests too. - * + * * @param $s string * * @return string */ function wfGzipHandler( $s ) { - if( !function_exists( 'gzencode' ) ) { - wfDebug( __FUNCTION__ . "() skipping compression (gzencode unavaible)\n" ); + if ( !function_exists( 'gzencode' ) ) { + wfDebug( __FUNCTION__ . "() skipping compression (gzencode unavailable)\n" ); return $s; } - if( headers_sent() ) { + if ( headers_sent() ) { wfDebug( __FUNCTION__ . "() skipping compression (headers already sent)\n" ); return $s; } $ext = wfRequestExtension(); - if( $ext == '.gz' || $ext == '.tgz' ) { + if ( $ext == '.gz' || $ext == '.tgz' ) { // Don't do gzip compression if the URL path ends in .gz or .tgz // This confuses Safari and triggers a download of the page, // even though it's pretty clearly labeled as viewable HTML. @@ -109,7 +117,7 @@ function wfGzipHandler( $s ) { return $s; } - if( wfClientAcceptsGzip() ) { + if ( wfClientAcceptsGzip() ) { wfDebug( __FUNCTION__ . "() is compressing output\n" ); header( 'Content-Encoding: gzip' ); $s = gzencode( $s, 6 ); @@ -156,7 +164,7 @@ function wfMangleFlashPolicy( $s ) { * @param $length int */ function wfDoContentLength( $length ) { - if ( !headers_sent() && $_SERVER['SERVER_PROTOCOL'] == 'HTTP/1.0' ) { + if ( !headers_sent() && isset( $_SERVER['SERVER_PROTOCOL'] ) && $_SERVER['SERVER_PROTOCOL'] == 'HTTP/1.0' ) { header( "Content-Length: $length" ); } } @@ -177,20 +185,8 @@ function wfHtmlValidationHandler( $s ) { header( 'Cache-Control: no-cache' ); - $out = <<<EOT -<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> -<html xmlns="http://www.w3.org/1999/xhtml" lang="en" dir="ltr"> -<head> -<title>HTML validation error</title> -<style> -.highlight { background-color: #ffc } -li { white-space: pre } -</style> -</head> -<body> -<h1>HTML validation error</h1> -<ul> -EOT; + $out = Html::element( 'h1', null, 'HTML validation error' ); + $out .= Html::openElement( 'ul' ); $error = strtok( $errors, "\n" ); $badLines = array(); @@ -198,26 +194,40 @@ EOT; if ( preg_match( '/^line (\d+)/', $error, $m ) ) { $lineNum = intval( $m[1] ); $badLines[$lineNum] = true; - $out .= "<li><a href=\"#line-{$lineNum}\">" . htmlspecialchars( $error ) . "</a></li>\n"; + $out .= Html::rawElement( 'li', null, + Html::element( 'a', array( 'href' => "#line-{$lineNum}" ), $error ) ) . "\n"; } $error = strtok( "\n" ); } - $out .= '</ul>'; - $out .= '<pre>' . htmlspecialchars( $errors ) . '</pre>'; - $out .= "<ol>\n"; + $out .= Html::closeElement( 'ul' ); + $out .= Html::element( 'pre', null, $errors ); + $out .= Html::openElement( 'ol' ) . "\n"; $line = strtok( $s, "\n" ); $i = 1; while ( $line !== false ) { + $attrs = array(); if ( isset( $badLines[$i] ) ) { - $out .= "<li class=\"highlight\" id=\"line-$i\">"; - } else { - $out .= '<li>'; + $attrs['class'] = 'highlight'; + $attrs['id'] = "line-$i"; } - $out .= htmlspecialchars( $line ) . "</li>\n"; + $out .= Html::element( 'li', $attrs, $line ) . "\n"; $line = strtok( "\n" ); $i++; } - $out .= '</ol></body></html>'; + $out .= Html::closeElement( 'ol' ); + + $style = <<<CSS +.highlight { background-color: #ffc } +li { white-space: pre } +CSS; + + $out = Html::htmlHeader( array( 'lang' => 'en', 'dir' => 'ltr' ) ) . + Html::rawElement( 'head', null, + Html::element( 'title', null, 'HTML validation error' ) . + Html::inlineStyle( $style ) ) . + Html::rawElement( 'body', null, $out ) . + Html::closeElement( 'html' ); + return $out; } |