diff options
Diffstat (limited to 'mod/dfrn_poll.php')
| -rw-r--r-- | mod/dfrn_poll.php | 112 |
1 files changed, 101 insertions, 11 deletions
diff --git a/mod/dfrn_poll.php b/mod/dfrn_poll.php index 686a42d08..25b28c63c 100644 --- a/mod/dfrn_poll.php +++ b/mod/dfrn_poll.php @@ -63,7 +63,7 @@ function dfrn_poll_init(&$a) { if(count($r)) { - $s = fetch_url($r[0]['poll'] . '?f=&dfrn_id=' . $my_id . '&type=profile-check'); + $s = fetch_url($r[0]['poll'] . '?dfrn_id=' . $my_id . '&type=profile-check'); logger("dfrn_poll: old profile returns " . $s, LOGGER_DATA); @@ -92,7 +92,7 @@ function dfrn_poll_init(&$a) { } - if($type === 'profile-check') { + if($type === 'profile-check' && $dfrn_version < 2.2 ) { if((strlen($challenge)) && (strlen($sec))) { @@ -182,8 +182,69 @@ function dfrn_poll_post(&$a) { $dfrn_id = ((x($_POST,'dfrn_id')) ? $_POST['dfrn_id'] : ''); $challenge = ((x($_POST,'challenge')) ? $_POST['challenge'] : ''); $url = ((x($_POST,'url')) ? $_POST['url'] : ''); + $sec = ((x($_POST,'sec')) ? $_POST['sec'] : ''); + $ptype = ((x($_POST,'type')) ? $_POST['type'] : ''); $dfrn_version = ((x($_POST,'dfrn_version')) ? (float) $_POST['dfrn_version'] : 2.0); + if($ptype === 'profile-check') { + + if((strlen($challenge)) && (strlen($sec))) { + + logger('dfrn_poll: POST: profile-check'); + + q("DELETE FROM `profile_check` WHERE `expire` < " . intval(time())); + $r = q("SELECT * FROM `profile_check` WHERE `sec` = '%s' ORDER BY `expire` DESC LIMIT 1", + dbesc($sec) + ); + if(! count($r)) { + xml_status(3, 'No ticket'); + // NOTREACHED + } + $orig_id = $r[0]['dfrn_id']; + if(strpos($orig_id, ':')) + $orig_id = substr($orig_id,2); + + $c = q("SELECT * FROM `contact` WHERE `id` = %d LIMIT 1", + intval($r[0]['cid']) + ); + if(! count($c)) { + xml_status(3, 'No profile'); + } + $contact = $c[0]; + + $sent_dfrn_id = hex2bin($dfrn_id); + $challenge = hex2bin($challenge); + + $final_dfrn_id = ''; + + if(($contact['duplex']) && strlen($contact['prvkey'])) { + openssl_private_decrypt($sent_dfrn_id,$final_dfrn_id,$contact['prvkey']); + openssl_private_decrypt($challenge,$decoded_challenge,$contact['prvkey']); + } + else { + openssl_public_decrypt($sent_dfrn_id,$final_dfrn_id,$contact['pubkey']); + openssl_public_decrypt($challenge,$decoded_challenge,$contact['pubkey']); + } + + $final_dfrn_id = substr($final_dfrn_id, 0, strpos($final_dfrn_id, '.')); + + if(strpos($final_dfrn_id,':') == 1) + $final_dfrn_id = substr($final_dfrn_id,2); + + if($final_dfrn_id != $orig_id) { + logger('profile_check: ' . $final_dfrn_id . ' != ' . $orig_id, LOGGER_DEBUG); + // did not decode properly - cannot trust this site + xml_status(3, 'Bad decryption'); + } + + header("Content-type: text/xml"); + echo "<?xml version=\"1.0\" encoding=\"UTF-8\"?><dfrn_poll><status>0</status><challenge>$decoded_challenge</challenge><sec>$sec</sec></dfrn_poll>"; + killme(); + // NOTREACHED + } + + } + $direction = (-1); if(strpos($dfrn_id,':') == 1) { $direction = intval(substr($dfrn_id,0,1)); @@ -363,15 +424,43 @@ function dfrn_poll_content(&$a) { } if(($type === 'profile') && (strlen($sec))) { + // URL reply - $s = fetch_url($r[0]['poll'] - . '?f=&dfrn_id=' . $encrypted_id - . '&type=profile-check' - . '&dfrn_version=' . DFRN_PROTOCOL_VERSION - . '&challenge=' . $challenge - . '&sec=' . $sec - ); + if($dfrn_version < 2.2) { + $s = fetch_url($r[0]['poll'] + . '?dfrn_id=' . $encrypted_id + . '&type=profile-check' + . '&dfrn_version=' . DFRN_PROTOCOL_VERSION + . '&challenge=' . $challenge + . '&sec=' . $sec + ); + } + else { + $s = post_url($r[0]['poll'], array( + 'dfrn_id' => $encrypted_id, + 'type' => 'profile-check', + 'dfrn_version' => DFRN_PROTOCOL_VERSION, + 'challenge' => $challenge, + 'sec' => $sec + )); + } + + switch($destination_url) { + case 'profile': + $dest = $a->get_baseurl() . '/profile/' . $profile . '?tab=profile'; + break; + case 'photos': + $dest = $a->get_baseurl() . '/photos/' . $profile; + break; + case 'status': + case '': + $dest = $a->get_baseurl() . '/profile/' . $profile; + break; + default: + $dest = $destination_url; + break; + } logger("dfrn_poll: sec profile: " . $s, LOGGER_DATA); @@ -399,9 +488,10 @@ function dfrn_poll_content(&$a) { ); } $profile = $r[0]['nickname']; - goaway((strlen($destination_url)) ? $destination_url : $a->get_baseurl() . '/profile/' . $profile); + + goaway($dest); } - goaway($a->get_baseurl()); + goaway($dest); // NOTREACHED } |