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Better Opengraph markup for channel

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This commit is contained in:
Max Kostikov 2019-10-11 00:46:02 +02:00
parent d017e34795
commit 3881ebcce0
1 changed files with 38 additions and 11 deletions
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49
Zotlabs/Module/Channel.php
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@ -111,17 +111,6 @@ class Channel extends Controller {
// we start loading content
profile_load($which,$profile);
App::$page['htmlhead'] .= '<meta property="og:title" content="' . htmlspecialchars($channel['channel_name']) . '">' . "\r\n";
App::$page['htmlhead'] .= '<meta property="og:image" content="' . $channel['xchan_photo_l'] . '">' . "\r\n";
if(App::$profile['about'] && perm_is_allowed($channel['channel_id'],get_observer_hash(),'view_profile')) {
App::$page['htmlhead'] .= '<meta property="og:description" content="' . htmlspecialchars(App::$profile['about']) . '">' . "\r\n";
}
else {
App::$page['htmlhead'] .= '<meta property="og:description" content="' . htmlspecialchars(sprintf( t('This is the home page of %s.'), $channel['channel_name'])) . '">' . "\r\n";
}
}
function get($update = 0, $load = false) {
@ -385,6 +374,44 @@ class Channel extends Controller {
$items = array();
}
// Add Opengraph markup
//
if(! empty($items) && isset($decoded)) {
// get post data
if(! empty($r[0]['title']))
$ogtitle = $r[0]['title'];
if(preg_match("/\[[zi]mg(=[0-9]+x[0-9]+)?\]([^\[]+)/is", $r[0]['body'], $matches))
$ogimage = $matches[2];
$ogdesc = bbcode($r[0]['body'], [ 'tryoembed' => false ]);
$ogdesc = trim(html2plain($ogdesc, 0, true));
$ogdesc = html_entity_decode($ogdesc, ENT_QUOTES, 'UTF-8');
$ogdesc = preg_replace("/https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,\@]+/", "", $ogdesc);
$ogdesc = substr($ogdesc, 0, 280);
$ogdesc = str_replace("\n", " ", $ogdesc);
while (strpos($ogdesc, " ") !== false)
$ogdesc = str_replace(" ", " ", $ogdesc);
if (substr($ogdesc, -1) != "\n")
$ogdesc = rtrim(substr($ogdesc, 0, strrpos($ogdesc, " ")), "?.,:;!-") . "...";
}
$channel = channelx_by_n(App::$profile['profile_uid']);
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.'), $channel['channel_name']);
}
}
App::$page['htmlhead'] .= '<meta property="og:title" content="' . htmlspecialchars((isset($ogtitle) ? $ogtitle : $channel['channel_name'])) . '">' . "\r\n";
App::$page['htmlhead'] .= '<meta property="og:image" content="' . (isset($ogimage) ? $ogimage : $channel['xchan_photo_l']) . '">' . "\r\n";
App::$page['htmlhead'] .= '<meta property="og:description" content="' . htmlspecialchars($ogdesc) . '">' . "\r\n";
if((! $update) && (! $load)) {
if($decoded)