68 lines
2.8 KiB
Diff
68 lines
2.8 KiB
Diff
--- Shaarli/index.php 2017-01-20 16:47:36.000000000 +0100
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+++ index.php 2017-02-11 23:27:22.510042000 +0100
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@@ -1821,11 +1821,14 @@
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$path = parse_url($url,PHP_URL_PATH);
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if ("/talks/" !== substr($path,0,7)) return array(); // This is not a single video URL.
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}
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+ }
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$sign = hash_hmac('sha256', $url, $conf->get('credentials.salt')); // We use the salt to sign data (it's random, secret, and specific to each installation)
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- return array('src'=>index_url($_SERVER).'?do=genthumbnail&hmac='.$sign.'&url='.urlencode($url),
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+ $thumbname=hash('sha1',$url).'.gif';
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+ $filepath = $conf->get('resource.thumbnails_cache').'/'.$thumbname;
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+ if (sha1_file($filepath) != '48d45d7ada69f9f858849bbd6e459f66c9694ee7')
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+ return array('src'=>index_url($_SERVER).'?do=genthumbnail&hmac='.$sign.'&url='.urlencode($url),
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'href'=>$href,'width'=>'120','style'=>'height:auto;','alt'=>'thumbnail');
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- }
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-
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+
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// For all other, we try to make a thumbnail of links ending with .jpg/jpeg/png/gif
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// Technically speaking, we should download ALL links and check their Content-Type to see if they are images.
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// But using the extension will do.
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@@ -2154,19 +2157,33 @@
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else
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{
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// For all other domains, we try to download the image and make a thumbnail.
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- // We allow 30 seconds max to download (and downloads are limited to 4 Mb)
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- list($headers, $content) = get_http_response($url, 30);
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- if (strpos($headers[0], '200 OK') !== false) {
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- $filepath = $cacheDir .'/'.$thumbname;
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- // Save image to cache.
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- file_put_contents($filepath, $content);
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- if (resizeImage($filepath))
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- {
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- header('Content-Type: image/jpeg');
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- echo file_get_contents($filepath);
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- return;
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- }
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- }
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+ list($headers, $content) = get_http_response($url,30); // We allow 30 seconds max to download (and downloads are limited to 4 Mb)
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+ if (strpos($headers[0], '200 OK') !== false)
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+ {
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+ // Extract the link to the thumbnail
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+ $doc = new DOMDocument();
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+ libxml_use_internal_errors(true);
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+ $doc->loadHTML($content);
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+ foreach( $doc->getElementsByTagName('meta') as $meta )
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+ if ($meta->getAttribute('property') == 'og:image')
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+ $imageurl=$meta->getAttribute('content');
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+
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+ if (!empty($imageurl))
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+ { // Let's download the image.
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+ list($headers, $content) = get_http_response($imageurl, 20);
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+ if (strpos($headers[0], '200 OK') !== false)
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+ {
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+ $filepath = $conf->get('resource.thumbnails_cache').'/'.$thumbname;
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+ file_put_contents($filepath,$content); // Save image to cache.
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+ if (resizeImage($filepath))
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+ {
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+ header('Content-Type: image/jpeg');
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+ echo file_get_contents($filepath);
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+ return;
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+ }
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+ }
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+ }
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+ }
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}
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