<?php function auto_redir(&$a, $contact_nick) { // prevent looping if(x($_REQUEST,'redir') && intval($_REQUEST['redir'])) return; if((! $contact_nick) || ($contact_nick === $a->user['nickname'])) return; if(local_user()) { // 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); $nurl = normalise_link($baseurl); $r = q("SELECT id FROM contact WHERE uid = ( SELECT uid FROM user WHERE nickname = '%s' LIMIT 1 ) AND nick = '%s' AND self = 0 AND ( url LIKE '%%%s%%' or nurl LIKE '%%%s%%' ) AND blocked = 0 AND pending = 0 LIMIT 1", dbesc($contact_nick), dbesc($a->user['nickname']), dbesc($baseurl), dbesc($nurl) ); if((!$r) || (! count($r)) || $r[0]['id'] == remote_user()) return; $r = q("SELECT * FROM contact WHERE nick = '%s' AND network = '%s' AND uid = %d AND url LIKE '%%%s%%' LIMIT 1", dbesc($contact_nick), dbesc(NETWORK_DFRN), intval(local_user()), dbesc($baseurl) ); if(! ($r && count($r))) return; $cid = $r[0]['id']; $dfrn_id = $orig_id = (($r[0]['issued-id']) ? $r[0]['issued-id'] : $r[0]['dfrn-id']); if($r[0]['duplex'] && $r[0]['issued-id']) { $orig_id = $r[0]['issued-id']; $dfrn_id = '1:' . $orig_id; } if($r[0]['duplex'] && $r[0]['dfrn-id']) { $orig_id = $r[0]['dfrn-id']; $dfrn_id = '0:' . $orig_id; } // ensure that we've got a valid ID. There may be some edge cases with forums and non-duplex mode // that may have triggered some of the "went to {profile/intro} and got an RSS feed" issues if(strlen($dfrn_id) < 3) return; $sec = random_string(); q("INSERT INTO `profile_check` ( `uid`, `cid`, `dfrn_id`, `sec`, `expire`) VALUES( %d, %s, '%s', '%s', %d )", intval(local_user()), intval($cid), dbesc($dfrn_id), dbesc($sec), intval(time() + 45) ); $url = curPageURL(); 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 ); } return; }