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open graph support for shaarli (proper indent)

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n 2017-02-11 18:20:18 +01:00
parent 0fd2c4faff
commit 766c0f7ae1
1 changed files with 38 additions and 32 deletions
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70
shaarli_OleG.0.8.3.patch
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@ -1,6 +1,6 @@
--- Shaarli/index.php 2017-01-20 16:47:36.000000000 +0100 --- /root/Shaarli/index.php 2017-01-20 16:47:36.000000000 +0100
+++ Shaarli.0.8.3/index.php 2017-02-11 15:37:50.327954000 +0100 +++ index.php 2017-02-11 18:19:24.618226000 +0100
@@ -1821,10 +1821,13 @@ @@ -1821,11 +1821,16 @@
$path = parse_url($url,PHP_URL_PATH); $path = parse_url($url,PHP_URL_PATH);
if ("/talks/" !== substr($path,0,7)) return array(); // This is not a single video URL. if ("/talks/" !== substr($path,0,7)) return array(); // This is not a single video URL.
} }
@ -9,14 +9,18 @@
- return array('src'=>index_url($_SERVER).'?do=genthumbnail&hmac='.$sign.'&url='.urlencode($url), - return array('src'=>index_url($_SERVER).'?do=genthumbnail&hmac='.$sign.'&url='.urlencode($url),
+ $thumbname=hash('sha1',$url).'.gif'; + $thumbname=hash('sha1',$url).'.gif';
+ $filepath = $conf->get('resource.thumbnails_cache').'/'.$thumbname; + $filepath = $conf->get('resource.thumbnails_cache').'/'.$thumbname;
+ //echo sha1_file($filepath);
+ //echo $filepath;
+ if (sha1_file($filepath) != '48d45d7ada69f9f858849bbd6e459f66c9694ee7') + if (sha1_file($filepath) != '48d45d7ada69f9f858849bbd6e459f66c9694ee7')
+ return array('src'=>index_url($_SERVER).'?do=genthumbnail&hmac='.$sign.'&url='.urlencode($url), + return array('src'=>index_url($_SERVER).'?do=genthumbnail&hmac='.$sign.'&url='.urlencode($url),
'href'=>$href,'width'=>'120','style'=>'height:auto;','alt'=>'thumbnail'); 'href'=>$href,'width'=>'120','style'=>'height:auto;','alt'=>'thumbnail');
- } - }
-
+
// For all other, we try to make a thumbnail of links ending with .jpg/jpeg/png/gif // For all other, we try to make a thumbnail of links ending with .jpg/jpeg/png/gif
// Technically speaking, we should download ALL links and check their Content-Type to see if they are images. // Technically speaking, we should download ALL links and check their Content-Type to see if they are images.
@@ -2154,18 +2157,32 @@ // But using the extension will do.
@@ -2154,19 +2159,33 @@
else else
{ {
// For all other domains, we try to download the image and make a thumbnail. // For all other domains, we try to download the image and make a thumbnail.
@ -32,32 +36,34 @@
- echo file_get_contents($filepath); - echo file_get_contents($filepath);
- return; - return;
- } - }
+ list($httpstatus,$headers,$data) = get_http_response($url,30); // We allow 30 seconds max to download (and downloads are limited to 4 Mb) - }
+ if (strpos($httpstatus,'200 OK')!==false) + list($headers, $content) = get_http_response($url,30); // We allow 30 seconds max to download (and downloads are limited to 4 Mb)
+ { + if (strpos($headers[0], '200 OK') !== false)
+ // Extract the link to the thumbnail + {
+ $doc = new DOMDocument(); + // Extract the link to the thumbnail
+ libxml_use_internal_errors(true); + $doc = new DOMDocument();
+ $doc->loadHTML($headers); + libxml_use_internal_errors(true);
+ foreach( $doc->getElementsByTagName('meta') as $meta ) + $doc->loadHTML($headers);
+ if ($meta->getAttribute('property') == 'og:image') + foreach( $doc->getElementsByTagName('meta') as $meta )
+ $imageurl=$meta->getAttribute('content'); + if ($meta->getAttribute('property') == 'og:image')
+ + $imageurl=$meta->getAttribute('content');
+ if (!empty($imageurl)) +
+ { // Let's download the image. + if (!empty($imageurl))
+ list($headers, $content) = get_http_response($imageurl, 20); + { // Let's download the image.
+ if (strpos($httpstatus,'200 OK')!==false) + list($headers, $content) = get_http_response($imageurl, 20);
+ { + if (strpos($headers[0], '200 OK') !== false)
+ $filepath = $conf->get('resource.thumbnails_cache').'/'.$thumbname; + {
+ file_put_contents($filepath,$content); // Save image to cache. + $filepath = $conf->get('resource.thumbnails_cache').'/'.$thumbname;
+ if (resizeImage($filepath)) + file_put_contents($filepath,$content); // Save image to cache.
+ { + if (resizeImage($filepath))
+ header('Content-Type: image/jpeg'); + {
+ echo file_get_contents($filepath); + header('Content-Type: image/jpeg');
+ return; + echo file_get_contents($filepath);
+ } + return;
+ } + }
+ } + }
} + }
+ }
} }