diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/opengraph.php | 123 |
1 files changed, 60 insertions, 63 deletions
diff --git a/include/opengraph.php b/include/opengraph.php index 9de021d54..4c88570d3 100644 --- a/include/opengraph.php +++ b/include/opengraph.php @@ -3,73 +3,70 @@ * @file include/opengraph.php * @brief Add Opengraph metadata and related functions. */ - - + + /** * @brief Adds Opengraph meta tags into HTML head * * @param array $item - * @param array $profile + * @param array $channel * */ - - function opengraph_add_meta($item, $profile) { - - if(! empty($item)) { - - if(! empty($item['title'])) - $ogtitle = $item['title']; - - // find first image if exist - if(preg_match("/\[[zi]mg(=[0-9]+x[0-9]+)?\]([^\[]+)/is", $item['body'], $matches)) { - $ogimage = $matches[2]; - $ogimagetype = guess_image_type($ogimage); - } - - // use summary as description if exist - $ogdesc = (empty($item['summary']) ? $item['body'] : $item['summary'] ); - - $ogdesc = str_replace("#^[", "[", $ogdesc); - - $ogdesc = bbcode($ogdesc, [ 'tryoembed' => false ]); - $ogdesc = trim(html2plain($ogdesc, 0, true)); - $ogdesc = html_entity_decode($ogdesc, ENT_QUOTES, 'UTF-8'); - - // remove all URLs - $ogdesc = preg_replace("/https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,\@]+/", "", $ogdesc); - - // shorten description - $ogdesc = substr($ogdesc, 0, 300); - $ogdesc = str_replace("\n", " ", $ogdesc); - while (strpos($ogdesc, " ") !== false) - $ogdesc = str_replace(" ", " ", $ogdesc); - $ogdesc = (strlen($ogdesc) < 298 ? $ogdesc : rtrim(substr($ogdesc, 0, strrpos($ogdesc, " ")), "?.,:;!-") . "..."); - - $ogtype = "article"; - } - - $channel = channelx_by_n($profile['profile_uid']); - - if(! isset($ogdesc)) { - if($profile['about'] && perm_is_allowed($channel['channel_id'],get_observer_hash(),'view_profile')) { - $ogdesc = $profile['about']; - } - else { - $ogdesc = sprintf( t('This is the home page of %s.'), $channel['channel_name']); - } - } - - if(! isset($ogimage)) { - $ogimage = $channel['xchan_photo_l']; - $ogimagetype = $channel['xchan_photo_mimetype']; - } - - App::$page['htmlhead'] .= '<meta property="og:title" content="' . htmlspecialchars((isset($ogtitle) ? $ogtitle : $channel['channel_name'])) . '">' . "\r\n"; - App::$page['htmlhead'] .= '<meta property="og:image" content="' . $ogimage . '">' . "\r\n"; - App::$page['htmlhead'] .= '<meta property="og:image:type" content="' . $ogimagetype . '">' . "\r\n"; - App::$page['htmlhead'] .= '<meta property="og:description" content="' . htmlspecialchars($ogdesc) . '">' . "\r\n"; - App::$page['htmlhead'] .= '<meta property="og:type" content="' . (isset($ogtype) ? $ogtype : "profile") . '">' . "\r\n"; - - return true; + + function opengraph_add_meta($item, $channel) { + + if(! empty($item)) { + + if(! empty($item['title'])) + $ogtitle = $item['title']; + + // find first image if exist + if(preg_match("/\[[zi]mg(=[0-9]+x[0-9]+)?\]([^\[]+)/is", $item['body'], $matches)) { + $ogimage = $matches[2]; + $ogimagetype = guess_image_type($ogimage); + } + + // use summary as description if exist + $ogdesc = (empty($item['summary']) ? $item['body'] : $item['summary'] ); + + $ogdesc = str_replace("#^[", "[", $ogdesc); + + $ogdesc = bbcode($ogdesc, [ 'tryoembed' => false ]); + $ogdesc = trim(html2plain($ogdesc, 0, true)); + $ogdesc = html_entity_decode($ogdesc, ENT_QUOTES, 'UTF-8'); + + // remove all URLs + $ogdesc = preg_replace("/https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,\@]+/", "", $ogdesc); + + // shorten description + $ogdesc = substr($ogdesc, 0, 300); + $ogdesc = str_replace("\n", " ", $ogdesc); + while (strpos($ogdesc, " ") !== false) + $ogdesc = str_replace(" ", " ", $ogdesc); + $ogdesc = (strlen($ogdesc) < 298 ? $ogdesc : rtrim(substr($ogdesc, 0, strrpos($ogdesc, " ")), "?.,:;!-") . "..."); + + $ogtype = "article"; + } + + if(! isset($ogdesc)) { + if(App::$profile['about'] && perm_is_allowed($channel['channel_id'],get_observer_hash(),'view_profile')) { + $ogdesc = App::$profile['about']; + } + else { + $ogdesc = sprintf( t('This is the home page of %s.'), $channel['channel_name']); + } + } + + if(! isset($ogimage)) { + $ogimage = $channel['xchan_photo_l']; + $ogimagetype = $channel['xchan_photo_mimetype']; + } + + App::$page['htmlhead'] .= '<meta property="og:title" content="' . htmlspecialchars((isset($ogtitle) ? $ogtitle : $channel['channel_name'])) . '">' . "\r\n"; + App::$page['htmlhead'] .= '<meta property="og:image" content="' . $ogimage . '">' . "\r\n"; + App::$page['htmlhead'] .= '<meta property="og:image:type" content="' . $ogimagetype . '">' . "\r\n"; + App::$page['htmlhead'] .= '<meta property="og:description" content="' . htmlspecialchars($ogdesc) . '">' . "\r\n"; + App::$page['htmlhead'] .= '<meta property="og:type" content="' . (isset($ogtype) ? $ogtype : "profile") . '">' . "\r\n"; + + return true; } -
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