Refactor mention code to make it more reusable

1 files changed, 31 insertions, 0 deletions

diff --git a/include/items.php b/include/items.php
index e7cc15878..4c533aedc 100755
--- a/include/items.php
+++ b/include/items.php
@@ -4715,3 +4715,34 @@ function item_remove_cid($xchan_hash,$mid,$uid) {
 		);
 	}
 }
+
+// Set item permissions based on results obtained from linkify_tags()
+function set_linkified_perms($linkified, &$str_contact_allow, &$str_group_allow, $profile_uid, $parent_item = false) {
+	$first_access_tag = true;
+	foreach($linkified as $x) {
+		$access_tag = $x['access_tag'];
+		if(($access_tag) && (! $parent_item)) {
+			logger('access_tag: ' . $tag . ' ' . print_r($access_tag,true), LOGGER_DATA);
+			if ($first_access_tag && (! get_pconfig($profile_uid,'system','no_private_mention_acl_override'))) {
+
+				// This is a tough call, hence configurable. The issue is that one can type in a @!privacy mention
+				// and also have a default ACL (perhaps from viewing a collection) and could be suprised that the 
+				// privacy mention wasn't the only recipient. So the default is to wipe out the existing ACL if a
+				// private mention is found. This can be over-ridden if you wish private mentions to be in 
+				// addition to the current ACL settings.
+
+				$str_contact_allow = '';
+				$str_group_allow = '';
+				$first_access_tag = false;
+			}
+			if(strpos($access_tag,'cid:') === 0) {
+				$str_contact_allow .= '<' . substr($access_tag,4) . '>';
+				$access_tag = '';	
+			}
+			elseif(strpos($access_tag,'gid:') === 0) {
+				$str_group_allow .= '<' . substr($access_tag,4) . '>';
+				$access_tag = '';	
+			}
+		}
+	}
+}