function auto_redir(&$a, $contact_nick) {
+ if((! $contact_nick) || ($contact_nick === $a->user['nickname']))
+ return;
+
if(local_user()) {
- $r = q("SELECT id FROM contact WHERE uid = ( SELECT uid FROM user WHERE nickname = '%s' LIMIT 1 ) AND nick = '%s' AND network = '%s' LIMIT 1",
+ // We need to find out if $contact_nick is a user on this hub, and if so, if I
+ // am a contact of that user. However, that user may have other contacts with the
+ // same nickname as me on other hubs or other networks. Exclude these by requiring
+ // that the contact have a local URL. I will be the only person with my nickname at
+ // this URL, so if a result is found, then I am a contact of the $contact_nick user.
+ //
+ // We also have to make sure that I'm a legitimate contact--I'm not blocked or pending.
+
+ $baseurl = $a->get_baseurl();
+ $domain_st = strpos($baseurl, "://");
+ if($domain_st === false)
+ return;
+ $baseurl = substr($baseurl, $domain_st + 3);
+
+ $r = q("SELECT id FROM contact WHERE uid = ( SELECT uid FROM user WHERE nickname = '%s' LIMIT 1 )
+ AND nick = '%s' AND self = 0 AND url LIKE '%%%s%%' AND blocked = 0 AND pending = 0 LIMIT 1",
dbesc($contact_nick),
dbesc($a->user['nickname']),
- dbesc(NETWORK_DFRN)
+ dbesc($baseurl)
);
- if(!$r || $r[0]['id'] == remote_user())
+
+ if((!$r) || (! count($r)) || $r[0]['id'] == remote_user())
return;
- $r = q("SELECT * FROM contact WHERE nick = '%s' AND network = '%s' AND uid = %d LIMIT 1",
+ $r = q("SELECT * FROM contact WHERE nick = '%s'
+ AND network = '%s' AND uid = %d AND url LIKE '%%%s%%' LIMIT 1",
dbesc($contact_nick),
dbesc(NETWORK_DFRN),
- intval(local_user())
+ intval(local_user()),
+ dbesc($baseurl)
);
- if(! $r)
+ if(! ($r && count($r)))
return;
$cid = $r[0]['id'];
$url = curPageURL();
- logger('check_redir: ' . $r[0]['name'] . ' ' . $sec, LOGGER_DEBUG);
+ logger('auto_redir: ' . $r[0]['name'] . ' ' . $sec, LOGGER_DEBUG);
$dest = (($url) ? '&destination_url=' . $url : '');
goaway ($r[0]['poll'] . '?dfrn_id=' . $dfrn_id
. '&dfrn_version=' . DFRN_PROTOCOL_VERSION . '&type=profile&sec=' . $sec . $dest );