diff options
| -rw-r--r-- | Zotlabs/Module/Articles.php | 12 | ||||
| -rw-r--r-- | Zotlabs/Module/Channel.php | 21 | ||||
| -rw-r--r-- | include/opengraph.php | 71 |
3 files changed, 86 insertions, 18 deletions
diff --git a/Zotlabs/Module/Articles.php b/Zotlabs/Module/Articles.php index ca132c01e..e3ad54be8 100644 --- a/Zotlabs/Module/Articles.php +++ b/Zotlabs/Module/Articles.php @@ -9,6 +9,7 @@ use Zotlabs\Lib\PermissionDescription; require_once('include/channel.php'); require_once('include/conversation.php'); require_once('include/acl_selectors.php'); +require_once('include/opengraph.php'); class Articles extends Controller { @@ -192,7 +193,7 @@ class Articles extends Controller { $parents_str = ids_to_querystr($r,'id'); - $items = q("SELECT item.*, item.id AS item_id + $r = q("SELECT item.*, item.id AS item_id FROM item WHERE item.uid = %d $item_normal AND item.parent IN ( %s ) @@ -200,15 +201,18 @@ class Articles extends Controller { intval(App::$profile['profile_uid']), dbesc($parents_str) ); - if($items) { - xchan_query($items); - $items = fetch_post_tags($items, true); + if($r) { + xchan_query($r); + $items = fetch_post_tags($r, true); $items = conv_sort($items,'updated'); } else $items = []; } + // Add Opengraph markup + opengraph_add_meta(((! empty($items)) ? $r[0] : array()), App::$profile); + $mode = 'articles'; if(get_pconfig(local_channel(),'system','articles_list_mode') && (! $selected_card)) diff --git a/Zotlabs/Module/Channel.php b/Zotlabs/Module/Channel.php index b1639b213..3f617fd18 100644 --- a/Zotlabs/Module/Channel.php +++ b/Zotlabs/Module/Channel.php @@ -13,6 +13,7 @@ require_once('include/items.php'); require_once('include/security.php'); require_once('include/conversation.php'); require_once('include/acl_selectors.php'); +require_once('include/opengraph.php'); /** @@ -111,17 +112,6 @@ class Channel extends Controller { // we start loading content profile_load($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) { @@ -362,7 +352,7 @@ class Channel extends Controller { $parents_str = ids_to_querystr($r,'item_id'); - $items = q("SELECT item.*, item.id AS item_id + $r = q("SELECT item.*, item.id AS item_id FROM item WHERE item.uid = %d $item_normal AND item.parent IN ( %s ) @@ -371,8 +361,8 @@ class Channel extends Controller { dbesc($parents_str) ); - xchan_query($items); - $items = fetch_post_tags($items, true); + xchan_query($r); + $items = fetch_post_tags($r, true); $items = conv_sort($items,$ordering); if($load && $mid && (! count($items))) { @@ -385,6 +375,9 @@ class Channel extends Controller { $items = array(); } + // Add Opengraph markup + opengraph_add_meta((isset($decoded) && (! empty($items)) ? $r[0] : array()), App::$profile); + if((! $update) && (! $load)) { if($decoded) diff --git a/include/opengraph.php b/include/opengraph.php new file mode 100644 index 000000000..2d72ffca1 --- /dev/null +++ b/include/opengraph.php @@ -0,0 +1,71 @@ +<?php +/** + * @file include/opengraph.php + * @brief Add Opengraph metadata and related functions. + */ + + + /** + * @brief Adds Opengraph meta tags into HTML head + * + * @param array $item + * @param array $profile + * + */ + + function opengraph_add_meta($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]; + + // 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); + $ogdesc = rtrim(substr($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 = $channel['xchan_photo_l']; + + App::$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="' . guess_image_type($ogimage) . '">' . "\r\n"; + App::$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; + } +
\ No newline at end of file |