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wiki.techinc.nl/thumb.php

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Optional thumbnail generation by client request, using thumb.php. This removes any need for access to image files on page view. Experimental, some aspects still haven't been tested.
2005-04-16 04:33:34 +00:00
<?php
* s~ +$~~
2006-01-07 13:09:30 +00:00
/**
* PHP script to stream out an image thumbnail.
* If the file exists, we make do with abridged MediaWiki initialisation.
Optional thumbnail generation by client request, using thumb.php. This removes any need for access to image files on page view. Experimental, some aspects still haven't been tested.
2005-04-16 04:33:34 +00:00
*/
Consolidated web initialisation code into includes/WebStart.php. Moved profiling setup to a hook file "StartProfiler.php", following Brion's suggestion to merge Wikimedia's early profiling patch into subversion. Renamed Profiling.php and logProfilingData(), removed unnecessary wfProfileClose() calls.
2006-07-14 05:35:31 +00:00
define( 'MW_NO_SETUP', 1 );
require_once( './includes/WebStart.php' );
wfProfileIn( 'thumb.php' );
wfProfileIn( 'thumb.php-start' );
Fixed various bugs with new image code, changed thumbnail paths as per JeLuF's suggestion
2005-04-16 11:05:41 +00:00
require_once( 'GlobalFunctions.php' );
need ImageFunctions.php
2006-07-02 16:29:06 +00:00
require_once( 'ImageFunctions.php' );
* (bug 898) Mime type autodetection.
2005-05-21 07:46:17 +00:00
$wgTrivialMimeDetection = true; //don't use fancy mime detection, just check the file extension for jpg/gif/png.
Optional thumbnail generation by client request, using thumb.php. This removes any need for access to image files on page view. Experimental, some aspects still haven't been tested.
2005-04-16 04:33:34 +00:00
require_once( 'Image.php' );
require_once( 'StreamFile.php' );
// Get input parameters
(bug 6420) Render thumbnails for djvu images, show multipage preview on image page
2006-08-13 17:34:48 +00:00
$p=null;
Optional thumbnail generation by client request, using thumb.php. This removes any need for access to image files on page view. Experimental, some aspects still haven't been tested.
2005-04-16 04:33:34 +00:00
if ( get_magic_quotes_gpc() ) {
$fileName = stripslashes( $_REQUEST['f'] );
$width = stripslashes( $_REQUEST['w'] );
(bug 6420) Render thumbnails for djvu images, show multipage preview on image page
2006-08-13 17:34:48 +00:00
if ( isset( $_REQUEST['p'] ) ) { // optional page number
$page = stripslashes( $_REQUEST['p'] );
}
Optional thumbnail generation by client request, using thumb.php. This removes any need for access to image files on page view. Experimental, some aspects still haven't been tested.
2005-04-16 04:33:34 +00:00
} else {
$fileName = $_REQUEST['f'];
$width = $_REQUEST['w'];
(bug 6420) Render thumbnails for djvu images, show multipage preview on image page
2006-08-13 17:34:48 +00:00
if ( isset( $_REQUEST['p'] ) ) { // optional page number
$page = $_REQUEST['p'] ;
}
Optional thumbnail generation by client request, using thumb.php. This removes any need for access to image files on page view. Experimental, some aspects still haven't been tested.
2005-04-16 04:33:34 +00:00
}
* (bug 898) Mime type autodetection.
2005-05-21 07:46:17 +00:00
$pre_render= isset($_REQUEST['r']) && $_REQUEST['r']!="0";
Optional thumbnail generation by client request, using thumb.php. This removes any need for access to image files on page view. Experimental, some aspects still haven't been tested.
2005-04-16 04:33:34 +00:00
// Some basic input validation
$width = intval( $width );
(bug 6420) Render thumbnails for djvu images, show multipage preview on image page
2006-08-13 17:34:48 +00:00
if ( ! is_null( $page ) ) {
$page = intval( $page );
}
Fixed some obvious bugs with the new code and implemented If-Modified-Since handling
2005-04-16 05:48:21 +00:00
$fileName = strtr( $fileName, '\\/', '__' );
Optional thumbnail generation by client request, using thumb.php. This removes any need for access to image files on page view. Experimental, some aspects still haven't been tested.
2005-04-16 04:33:34 +00:00
// Work out paths, carefully avoiding constructing an Image object because that won't work yet
$imagePath = wfImageDir( $fileName ) . '/' . $fileName;
$thumbName = "{$width}px-$fileName";
(bug 6420) Render thumbnails for djvu images, show multipage preview on image page
2006-08-13 17:34:48 +00:00
if ( ! is_null( $page ) ) {
$thumbName = 'page' . $page . '-' . $thumbName;
}
* (bug 898) Mime type autodetection.
2005-05-21 07:46:17 +00:00
if ( $pre_render ) {
Optional thumbnail generation by client request, using thumb.php. This removes any need for access to image files on page view. Experimental, some aspects still haven't been tested.
2005-04-16 04:33:34 +00:00
$thumbName .= '.png';
}
Fixed various bugs with new image code, changed thumbnail paths as per JeLuF's suggestion
2005-04-16 11:05:41 +00:00
$thumbPath = wfImageThumbDir( $fileName ) . '/' . $thumbName;
Optional thumbnail generation by client request, using thumb.php. This removes any need for access to image files on page view. Experimental, some aspects still haven't been tested.
2005-04-16 04:33:34 +00:00
More robust directory structure migration, should fix bug #2532, except for Brion's complaint that the directory structure should be completely different, which he is free to fix in his own time.
2006-02-02 07:07:39 +00:00
if ( is_file( $thumbPath ) && filemtime( $thumbPath ) >= filemtime( $imagePath ) ) {
Optional thumbnail generation by client request, using thumb.php. This removes any need for access to image files on page view. Experimental, some aspects still haven't been tested.
2005-04-16 04:33:34 +00:00
wfStreamFile( $thumbPath );
Consolidated web initialisation code into includes/WebStart.php. Moved profiling setup to a hook file "StartProfiler.php", following Brion's suggestion to merge Wikimedia's early profiling patch into subversion. Renamed Profiling.php and logProfilingData(), removed unnecessary wfProfileClose() calls.
2006-07-14 05:35:31 +00:00
// Can't log profiling data with no Setup.php
Optional thumbnail generation by client request, using thumb.php. This removes any need for access to image files on page view. Experimental, some aspects still haven't been tested.
2005-04-16 04:33:34 +00:00
exit;
}
// OK, no valid thumbnail, time to get out the heavy machinery
Consolidated web initialisation code into includes/WebStart.php. Moved profiling setup to a hook file "StartProfiler.php", following Brion's suggestion to merge Wikimedia's early profiling patch into subversion. Renamed Profiling.php and logProfilingData(), removed unnecessary wfProfileClose() calls.
2006-07-14 05:35:31 +00:00
wfProfileOut( 'thumb.php-start' );
Optional thumbnail generation by client request, using thumb.php. This removes any need for access to image files on page view. Experimental, some aspects still haven't been tested.
2005-04-16 04:33:34 +00:00
require_once( 'Setup.php' );
Consolidated web initialisation code into includes/WebStart.php. Moved profiling setup to a hook file "StartProfiler.php", following Brion's suggestion to merge Wikimedia's early profiling patch into subversion. Renamed Profiling.php and logProfilingData(), removed unnecessary wfProfileClose() calls.
2006-07-14 05:35:31 +00:00
wfProfileIn( 'thumb.php-render' );
Optional thumbnail generation by client request, using thumb.php. This removes any need for access to image files on page view. Experimental, some aspects still haven't been tested.
2005-04-16 04:33:34 +00:00
$img = Image::newFromName( $fileName );
if ( $img ) {
(bug 6420) Render thumbnails for djvu images, show multipage preview on image page
2006-08-13 17:34:48 +00:00
if ( ! is_null( $page ) ) {
$img->selectPage( $page );
}
Fixed various bugs with new image code, changed thumbnail paths as per JeLuF's suggestion
2005-04-16 11:05:41 +00:00
$thumb = $img->renderThumb( $width, false );
Optional thumbnail generation by client request, using thumb.php. This removes any need for access to image files on page view. Experimental, some aspects still haven't been tested.
2005-04-16 04:33:34 +00:00
} else {
$thumb = false;
}
Committed a bunch of live hacks from Wikimedia servers A few left, but these don't look too evil
2006-10-02 17:04:13 +00:00
if ( $img->lastError && $img->lastError !== true ) {
header( 'HTTP/1.0 500 Internal Server Error' );
echo "<html><body><h1>Thumbnail generation error</h1><p>" .
htmlspecialchars( $img->lastError ) . "<br>" . wfHostname() .
"</p></body></html>";
} elseif ( $thumb && $thumb->path ) {
Optional thumbnail generation by client request, using thumb.php. This removes any need for access to image files on page view. Experimental, some aspects still haven't been tested.
2005-04-16 04:33:34 +00:00
wfStreamFile( $thumb->path );
} else {
$badtitle = wfMsg( 'badtitle' );
$badtitletext = wfMsg( 'badtitletext' );
echo "<html><head>
<title>$badtitle</title>
<body>
<h1>$badtitle</h1>
<p>$badtitletext</p>
</body></html>";
}
Consolidated web initialisation code into includes/WebStart.php. Moved profiling setup to a hook file "StartProfiler.php", following Brion's suggestion to merge Wikimedia's early profiling patch into subversion. Renamed Profiling.php and logProfilingData(), removed unnecessary wfProfileClose() calls.
2006-07-14 05:35:31 +00:00
wfProfileOut( 'thumb.php-render' );
Committing live hacks: additional profiling points
2005-08-17 20:04:39 +00:00
wfProfileOut( 'thumb.php' );
Consolidated web initialisation code into includes/WebStart.php. Moved profiling setup to a hook file "StartProfiler.php", following Brion's suggestion to merge Wikimedia's early profiling patch into subversion. Renamed Profiling.php and logProfilingData(), removed unnecessary wfProfileClose() calls.
2006-07-14 05:35:31 +00:00
wfLogProfilingData();
Optional thumbnail generation by client request, using thumb.php. This removes any need for access to image files on page view. Experimental, some aspects still haven't been tested.
2005-04-16 04:33:34 +00:00
?>
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