Ejemplo n.º 1
0
/**
 * On-receive event handler
 * 
 * This handler gets called when server (B) receives a trust_sendkey2 message from server (A),
 * and it generally happens to determine whether server (A) did send a corresponding trust_sendkey1
 * before. It is also used to send server (B)'s key.
 * 
 * @param array $data
 * @param object $msg
 * @return boolean
 */
function trust_sendkey2_receive(&$data, &$msg)
{
    $serverUrl = getDefault($data['author']['server']);
    if ($serverUrl == '') {
        $msg->fail('invalid server field in "from" array');
    } else {
        // does it really originate from server (A)?
        if (!$msg->validateSignature()) {
            return true;
        }
        // accept this server (A)'s key for future data
        $msg->fromServer->ds['s_key_out'] = $msg->data['mykey'];
        DB_UpdateField('servers', $msg->fromServer->ds['s_key'], 's_key_out', $msg->data['mykey']);
        $msg->ok();
    }
    return true;
}
Ejemplo n.º 2
0
/**
 * On-receive event handler
 * 
 * Gets called when this server (A) receives a trust_sendkey1 message from another server (B).
 * Usually this means, server (B) wants to establish contact for the first time or it wants
 * to revoke its existing key. In both cases, the key can only be accepted when this server (A)
 * contacts server (B) to confirm the origin of the trust_sendkey1 message.
 * 
 * @param array $data
 * @param object $msg
 * @return boolean
 */
function trust_sendkey1_receive(&$data, &$msg)
{
    $data['mykey'] = trim($data['mykey']);
    $serverUrl = getDefault($data['author']['server']);
    if ($serverUrl == '') {
        $msg->fail('invalid server field in "author" array');
    }
    if ($data['mykey'] == '') {
        $msg->fail('"mykey" field missing');
    } else {
        // accept the new key (it's not confirmed yet)
        $server = new HubbubServer($serverUrl, true);
        $server->ds['s_newkey_out'] = $data['mykey'];
        $server->ds['s_key_in'] = getDefault($server->ds['s_key_in'], randomHashId());
        DB_UpdateField('servers', $server->ds['s_key'], 's_key_in', $server->ds['s_key_in']);
        logError('notrace', 'received temp outbound key: ' . $data['mykey'] . ' /// ' . dumpArray($server->ds));
        // now, get origin confirmation
        $confirmMsg = new HubbubMessage('trust_sendkey2');
        $confirmMsg->author($server->localEntity());
        $confirmMsg->owner($server->entity());
        $confirmMsg->data['mykey'] = $server->ds['s_key_in'];
        $responseData = $confirmMsg->sendtourl($server->ds['s_url'], $server->ds['s_newkey_out']);
        if ($responseData['result'] == 'OK') {
            /* we need to reload, because the server record might have changed in the meantime */
            $server = new HubbubServer($serverUrl, true);
            // okay, the remote server really sent the original message
            $server->ds['s_key_out'] = $server->ds['s_newkey_out'];
            $server->ds['s_status'] = 'OK';
            DB_UpdateField('servers', $server->ds['s_key'], 's_key_out', $data['mykey']);
            $msg->ok();
        } else {
            // this didn't work
            $server->ds['s_newkey_out'] = '';
            $msg->fail('unsuccessful trust_sendkey2: ' . $responseData['reason']);
        }
    }
    return true;
}
Ejemplo n.º 3
0
 function msg_trust_sendkey1()
 {
     // make a trust_sendkey1 message
     $msg = new HubbubMessage('trust_sendkey1');
     $msg->to($this->entity());
     $msg->data['author'] = $this->localEntity();
     $this->save();
     // make new key if there is none
     $this->ds['s_key_in'] = getDefault($this->ds['s_key_in'], randomHashId());
     if ($this->ds['s_url'] != '') {
         DB_UpdateField('servers', $this->ds['s_key'], 's_key_in', $this->ds['s_key_in']);
     }
     $msg->data['mykey'] = $this->ds['s_key_in'];
     // we need to save at this point because the other server will try to make a trust_sendkey2-request in the meantime
     // send message to other server
     $responseData = $msg->sendToUrl($this->ds['s_url']);
     if ($responseData['result'] == 'OK') {
         $this->ds['s_status'] = 'OK';
         $ret = result_ok();
     } else {
         $this->ds['s_status'] = 'fail';
         $this->ds['s_key_in'] = '';
         logError('notrace', '[OUT] trust_sendkey1 failed, server ' . $this->ds['s_url'] . ' says: ' . getDefault($responseData['reason'], $responseData['result']));
         $ret = result_fail('trust_sendkey1 failed: ' . getDefault($responseData['reason'], $responseData['result']));
     }
     return $ret;
 }