X-Git-Url: https://git.cyclocoop.org/%27.WWW_URL.%27admin/?a=blobdiff_plain;f=thumb.php;h=2159d2ee65584f6e3e98bfcbf7d289f71f6cc2db;hb=f9f9da61baa8dec0eb23fefc0edc3030b86a7c93;hp=f4765d6c01a01029cfedf277ba363dc917b8cc86;hpb=7bbe971aec2d548de981a12ed08a7b56a536dcdb;p=lhc%2Fweb%2Fwiklou.git diff --git a/thumb.php b/thumb.php index f4765d6c01..2159d2ee65 100644 --- a/thumb.php +++ b/thumb.php @@ -2,82 +2,111 @@ /** * PHP script to stream out an image thumbnail. - * If the file exists, we make do with abridged MediaWiki initialisation. + * + * @addtogroup Media */ - -define( 'MEDIAWIKI', true ); -unset( $IP ); -if ( isset( $_REQUEST['GLOBALS'] ) ) { - die( '$GLOBALS overwrite vulnerability'); -} - -$wgNoOutputBuffer = true; - -require_once( './includes/Defines.php' ); -require_once( './LocalSettings.php' ); -require_once( 'GlobalFunctions.php' ); +define( 'MW_NO_OUTPUT_COMPRESSION', 1 ); +require_once( './includes/WebStart.php' ); +wfProfileIn( 'thumb.php' ); +wfProfileIn( 'thumb.php-start' ); $wgTrivialMimeDetection = true; //don't use fancy mime detection, just check the file extension for jpg/gif/png. -require_once( 'Image.php' ); -require_once( 'StreamFile.php' ); +require_once( "$IP/includes/StreamFile.php" ); // Get input parameters - if ( get_magic_quotes_gpc() ) { - $fileName = stripslashes( $_REQUEST['f'] ); - $width = stripslashes( $_REQUEST['w'] ); + $params = array_map( 'stripslashes', $_REQUEST ); } else { - $fileName = $_REQUEST['f']; - $width = $_REQUEST['w']; + $params = $_REQUEST; } -$pre_render= isset($_REQUEST['r']) && $_REQUEST['r']!="0"; +$fileName = isset( $params['f'] ) ? $params['f'] : ''; +unset( $params['f'] ); -// Some basic input validation +// Backwards compatibility parameters +if ( isset( $params['w'] ) ) { + $params['width'] = $params['w']; + unset( $params['w'] ); +} +if ( isset( $params['p'] ) ) { + $params['page'] = $params['p']; +} +unset( $params['r'] ); -$width = intval( $width ); +// Some basic input validation $fileName = strtr( $fileName, '\\/', '__' ); -// Work out paths, carefully avoiding constructing an Image object because that won't work yet - -$imagePath = wfImageDir( $fileName ) . '/' . $fileName; -$thumbName = "{$width}px-$fileName"; -if ( $pre_render ) { - $thumbName .= '.png'; -} -$thumbPath = wfImageThumbDir( $fileName ) . '/' . $thumbName; - -if ( file_exists( $thumbPath ) && filemtime( $thumbPath ) >= filemtime( $imagePath ) ) { - wfStreamFile( $thumbPath ); +// Stream the file if it exists already +try { + $img = wfLocalFile( $fileName ); + if ( $img && false != ( $thumbName = $img->thumbName( $params ) ) ) { + $thumbPath = $img->getThumbPath( $thumbName ); + + if ( is_file( $thumbPath ) ) { + wfStreamFile( $thumbPath ); + wfLogProfilingData(); + exit; + } + } +} catch ( MWException $e ) { + thumbInternalError( $e->getHTML() ); + wfLogProfilingData(); exit; } -// OK, no valid thumbnail, time to get out the heavy machinery -require_once( 'Setup.php' ); -wfProfileIn( 'thumb.php' ); - -$img = Image::newFromName( $fileName ); -if ( $img ) { - $thumb = $img->renderThumb( $width, false ); -} else { +wfProfileOut( 'thumb.php-start' ); +wfProfileIn( 'thumb.php-render' ); + +try { + if ( $img ) { + $thumb = $img->transform( $params, File::RENDER_NOW ); + } else { + $thumb = false; + } +} catch( Exception $ex ) { + // Tried to select a page on a non-paged file? $thumb = false; } -if ( $thumb && $thumb->path ) { - wfStreamFile( $thumb->path ); +if ( $thumb && $thumb->getPath() && file_exists( $thumb->getPath() ) ) { + wfStreamFile( $thumb->getPath() ); } else { - $badtitle = wfMsg( 'badtitle' ); - $badtitletext = wfMsg( 'badtitletext' ); - echo " - $badtitle - -

$badtitle

-

$badtitletext

-"; + if ( !$img ) { + $msg = wfMsg( 'badtitletext' ); + } elseif ( !$thumb ) { + $msg = wfMsgHtml( 'thumbnail_error', 'File::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' ); + } + thumbInternalError( $msg ); } +wfProfileOut( 'thumb.php-render' ); wfProfileOut( 'thumb.php' ); +wfLogProfilingData(); + +//-------------------------------------------------------------------------- + +function thumbInternalError( $msg ) { + header( 'Cache-Control: no-cache' ); + header( 'Content-Type: text/html; charset=utf-8' ); + header( 'HTTP/1.1 500 Internal server error' ); + echo <<Error generating thumbnail + +

Error generating thumbnail

+

+$msg +

+ + + +EOT; +} -?>