From cecb985bee3bdd252e1b8dc0bd500b37cd52be01 Mon Sep 17 00:00:00 2001
From: Pierre Schmitz <pierre@archlinux.de>
Date: Wed, 16 May 2007 20:58:53 +0000
Subject: Aktualisierung auf MediaWiki 1.10.0 Plugins angepasst und verbessert
 kleine Korrekturen am Design

---
 thumb.php | 103 +++++++++++++++++++++++++++++++++++++++++++-------------------
 1 file changed, 72 insertions(+), 31 deletions(-)

(limited to 'thumb.php')

diff --git a/thumb.php b/thumb.php
index 206019df..4ca24ed7 100644
--- a/thumb.php
+++ b/thumb.php
@@ -5,61 +5,64 @@
  * If the file exists, we make do with abridged MediaWiki initialisation.
  */
 define( 'MW_NO_SETUP', 1 );
+define( 'MW_NO_OUTPUT_COMPRESSION', 1 );
 require_once( './includes/WebStart.php' );
 wfProfileIn( 'thumb.php' );
 wfProfileIn( 'thumb.php-start' );
-require_once( 'GlobalFunctions.php' );
-require_once( 'ImageFunctions.php' );
+require_once( "$IP/includes/GlobalFunctions.php" );
+require_once( "$IP/includes/ImageFunctions.php" );
 
 $wgTrivialMimeDetection = true; //don't use fancy mime detection, just check the file extension for jpg/gif/png.
 
-require_once( 'Image.php' );
-require_once( 'StreamFile.php' );
+require_once( "$IP/includes/StreamFile.php" );
+require_once( "$IP/includes/AutoLoader.php" );
 
 // Get input parameters
-$fileName = isset( $_REQUEST['f'] ) ? $_REQUEST['f'] : '';
-$width = isset( $_REQUEST['w'] ) ? intval( $_REQUEST['w'] ) : 0;
-$page = isset( $_REQUEST['p'] ) ? intval( $_REQUEST['p'] ) : null;
-
 if ( get_magic_quotes_gpc() ) {
-	$fileName = stripslashes( $fileName );
+	$params = array_map( 'stripslashes', $_REQUEST );
+} else {
+	$params = $_REQUEST;
 }
 
-$pre_render= isset($_REQUEST['r']) && $_REQUEST['r']!="0";
+$fileName = isset( $params['f'] ) ? $params['f'] : '';
+unset( $params['f'] );
+
+// Backwards compatibility parameters
+if ( isset( $params['w'] ) ) {
+	$params['width'] = $params['w'];
+	unset( $params['w'] );
+}
+if ( isset( $params['p'] ) ) {
+	$params['page'] = $params['p'];
+}
+unset( $params['r'] );
 
 // Some basic input validation
 $fileName = strtr( $fileName, '\\/', '__' );
 
 // Work out paths, carefully avoiding constructing an Image object because that won't work yet
+$handler = thumbGetHandler( $fileName );
+if ( $handler ) {
+	$imagePath = wfImageDir( $fileName ) . '/' . $fileName;
+	$thumbName = $handler->makeParamString( $params ) . "-$fileName";
+	$thumbPath = wfImageThumbDir( $fileName ) . '/' . $thumbName;
 
-$imagePath = wfImageDir( $fileName ) . '/' . $fileName;
-$thumbName = "{$width}px-$fileName";
-if ( ! is_null( $page ) ) {
-	$thumbName = 'page' . $page . '-' . $thumbName;
-}
-if ( $pre_render ) {
-	$thumbName .= '.png';
-}
-$thumbPath = wfImageThumbDir( $fileName ) . '/' . $thumbName;
-
-if ( is_file( $thumbPath ) && filemtime( $thumbPath ) >= filemtime( $imagePath ) ) {
-	wfStreamFile( $thumbPath );
-	// Can't log profiling data with no Setup.php
-	exit;
+	if ( is_file( $thumbPath ) && filemtime( $thumbPath ) >= filemtime( $imagePath ) ) {
+		wfStreamFile( $thumbPath );
+		// Can't log profiling data with no Setup.php
+		exit;
+	}
 }
 
 // OK, no valid thumbnail, time to get out the heavy machinery
 wfProfileOut( 'thumb.php-start' );
-require_once( 'Setup.php' );
+require_once( './includes/Setup.php' );
 wfProfileIn( 'thumb.php-render' );
 
 $img = Image::newFromName( $fileName );
 try {
 	if ( $img ) {
-		if ( ! is_null( $page ) ) {
-			$img->selectPage( $page );
-		}
-		$thumb = $img->renderThumb( $width, false );
+		$thumb = $img->transform( $params, Image::RENDER_NOW );
 	} else {
 		$thumb = false;
 	}
@@ -68,13 +71,38 @@ try {
 	$thumb = false;
 }
 
-if ( $thumb && $thumb->path ) {
-	wfStreamFile( $thumb->path );
+if ( $thumb && $thumb->getPath() && file_exists( $thumb->getPath() ) ) {
+	wfStreamFile( $thumb->getPath() );
+} elseif ( $img ) {
+	header( 'Cache-Control: no-cache' );
+	header( 'Content-Type: text/html; charset=utf-8' );
+	header( 'HTTP/1.1 500 Internal server error' );
+	if ( !$thumb ) {
+		$msg = wfMsgHtml( 'thumbnail_error', 'Image::transform() returned false' );
+	} elseif ( $thumb->isError() ) {
+		$msg = $thumb->getHtmlMsg();
+	} elseif ( !$thumb->getPath() ) {
+		$msg = wfMsgHtml( 'thumbnail_error', 'No path supplied in thumbnail object' );
+	} else {
+		$msg = wfMsgHtml( 'thumbnail_error', 'Output file missing' );
+	}
+	echo <<<EOT
+<html><head><title>Error generating thumbnail</title></head>
+<body>
+<h1>Error generating thumbnail</h1>
+<p>
+$msg
+</p>
+</body>
+</html>
+
+EOT;
 } else {
 	$badtitle = wfMsg( 'badtitle' );
 	$badtitletext = wfMsg( 'badtitletext' );
 	header( 'Cache-Control: no-cache' );
 	header( 'Content-Type: text/html; charset=utf-8' );
+	header( 'HTTP/1.1 500 Internal server error' );
 	echo "<html><head>
 	<title>$badtitle</title>
 	<body>
@@ -88,4 +116,17 @@ wfProfileOut( 'thumb.php-render' );
 wfProfileOut( 'thumb.php' );
 wfLogProfilingData();
 
+//--------------------------------------------------------------------------
+
+function thumbGetHandler( $fileName ) {
+	// Determine type
+	$magic = MimeMagic::singleton();
+	$extPos = strrpos( $fileName, '.' );
+	if ( $extPos === false ) {
+		return false;
+	}
+	$mime = $magic->guessTypesForExtension( substr( $fileName, $extPos + 1 ) );
+	return MediaHandler::getHandler( $mime );
+}
+
 ?>
-- 
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