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-rw-r--r--addon/facebook/facebook.php15
1 files changed, 15 insertions, 0 deletions
diff --git a/addon/facebook/facebook.php b/addon/facebook/facebook.php
index 5f21ab348..cf7815845 100644
--- a/addon/facebook/facebook.php
+++ b/addon/facebook/facebook.php
@@ -385,6 +385,21 @@ function facebook_post_hook(&$a,&$b) {
if(count($r))
foreach($r as $rr)
$deny_arr[] = $rr['notify'];
+ if(count($deny_arr) && (! count($allow_arr))) {
+
+ // One or more FB folks were denied access but nobody on FB was specifically allowed access.
+ // This might cause the post to be open to public on Facebook, but only to selected members
+ // on another network. Since this could potentially leak a post to somebody who was denied,
+ // we will skip posting it to Facebook with a slightly vague but relevant message that will
+ // hopefully lead somebody to this code comment for a better explanation of what went wrong.
+
+ notice( t('Post to Facebook cancelled because of multi-network access permission conflict.') . EOL);
+ return;
+ }
+
+
+ // if it's a private message but no Facebook members are allowed or denied, skip Facebook post
+
if((! count($allow_arr)) && (! count($deny_arr)))
return;
}