use Friendica\App;
use Friendica\Core\Config;
+use Friendica\Core\System;
+use Friendica\Database\DBA;
use Friendica\Database\DBM;
+use Friendica\Model\Contact;
use Friendica\Protocol\DFRN;
+use Friendica\Protocol\Diaspora;
require_once 'include/items.php';
-require_once 'include/event.php';
function dfrn_notify_post(App $a) {
logger(__function__, LOGGER_TRACE);
+
+ $postdata = file_get_contents('php://input');
+
+ if (empty($_POST) || !empty($postdata)) {
+ $data = json_decode($postdata);
+ if (is_object($data)) {
+ $nick = defaults($a->argv, 1, '');
+
+ $user = DBA::selectFirst('user', [], ['nickname' => $nick, 'account_expired' => false, 'account_removed' => false]);
+ if (!DBM::is_result($user)) {
+ System::httpExit(500);
+ }
+ dfrn_dispatch_private($user, $postdata);
+ } elseif (!dfrn_dispatch_public($postdata)) {
+ require_once 'mod/salmon.php';
+ salmon_post($a, $postdata);
+ }
+ }
+
$dfrn_id = ((x($_POST,'dfrn_id')) ? notags(trim($_POST['dfrn_id'])) : '');
$dfrn_version = ((x($_POST,'dfrn_version')) ? (float) $_POST['dfrn_version'] : 2.0);
$challenge = ((x($_POST,'challenge')) ? notags(trim($_POST['challenge'])) : '');
$dfrn_id = substr($dfrn_id, 2);
}
- $r = q("SELECT * FROM `challenge` WHERE `dfrn-id` = '%s' AND `challenge` = '%s' LIMIT 1",
- dbesc($dfrn_id),
- dbesc($challenge)
- );
- if (! DBM::is_result($r)) {
- logger('dfrn_notify: could not match challenge to dfrn_id ' . $dfrn_id . ' challenge=' . $challenge);
- xml_status(3, 'Could not match challenge');
+ if (!DBA::exists('challenge', ['dfrn-id' => $dfrn_id, 'challenge' => $challenge])) {
+ logger('could not match challenge to dfrn_id ' . $dfrn_id . ' challenge=' . $challenge);
+ System::xmlExit(3, 'Could not match challenge');
}
- $r = q("DELETE FROM `challenge` WHERE `dfrn-id` = '%s' AND `challenge` = '%s'",
- dbesc($dfrn_id),
- dbesc($challenge)
- );
+ DBA::delete('challenge', ['dfrn-id' => $dfrn_id, 'challenge' => $challenge]);
// find the local user who owns this relationship.
$sql_extra = sprintf(" AND `dfrn-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
break;
default:
- xml_status(3, 'Invalid direction');
+ System::xmlExit(3, 'Invalid direction');
break; // NOTREACHED
}
dbesc($a->argv[1])
);
- if (! DBM::is_result($r)) {
- logger('dfrn_notify: contact not found for dfrn_id ' . $dfrn_id);
- xml_status(3, 'Contact not found');
+ if (!DBM::is_result($r)) {
+ logger('contact not found for dfrn_id ' . $dfrn_id);
+ System::xmlExit(3, 'Contact not found');
//NOTREACHED
}
$importer = $r[0];
- logger("Remote rino version: ".$rino_remote." for ".$importer["url"], LOGGER_DEBUG);
-
if ((($writable != (-1)) && ($writable != $importer['writable'])) || ($importer['forum'] != $forum) || ($importer['prv'] != $prv)) {
- q("UPDATE `contact` SET `writable` = %d, forum = %d, prv = %d WHERE `id` = %d",
- intval(($writable == (-1)) ? $importer['writable'] : $writable),
- intval($forum),
- intval($prv),
- intval($importer['id'])
- );
+ $fields = ['writable' => ($writable == (-1)) ? $importer['writable'] : $writable,
+ 'forum' => $forum, 'prv' => $prv];
+ DBA::update('contact', $fields, ['id' => $importer['id']]);
+
if ($writable != (-1)) {
$importer['writable'] = $writable;
}
// if contact's ssl policy changed, update our links
- fix_contact_ssl_policy($importer,$ssl_policy);
+ $importer = Contact::updateSslPolicy($importer, $ssl_policy);
- logger('dfrn_notify: received notify from ' . $importer['name'] . ' for ' . $importer['username']);
- logger('dfrn_notify: data: ' . $data, LOGGER_DATA);
+ logger('data: ' . $data, LOGGER_DATA);
if ($dissolve == 1) {
-
- /*
- * Relationship is dissolved permanently
- */
-
- require_once('include/Contact.php');
- contact_remove($importer['id']);
+ // Relationship is dissolved permanently
+ Contact::remove($importer['id']);
logger('relationship dissolved : ' . $importer['name'] . ' dissolved ' . $importer['username']);
- xml_status(0, 'relationship dissolved');
+ System::xmlExit(0, 'relationship dissolved');
}
$rino = Config::get('system', 'rino_encrypt');
$rino = intval($rino);
- logger("Local rino version: " . $rino, LOGGER_DEBUG);
-
if (strlen($key)) {
// if local rino is lower than remote rino, abort: should not happen!
// but only for $remote_rino > 1, because old code did't send rino version
- if ($rino_remote_version > 1 && $rino < $rino_remote) {
+ if ($rino_remote > 1 && $rino < $rino_remote) {
logger("rino version '$rino_remote' is lower than supported '$rino'");
- xml_status(0, "rino version '$rino_remote' is lower than supported '$rino'");
+ System::xmlExit(0, "rino version '$rino_remote' is lower than supported '$rino'");
}
$rawkey = hex2bin(trim($key));
- logger('rino: md5 raw key: ' . md5($rawkey));
+ logger('rino: md5 raw key: ' . md5($rawkey), LOGGER_DATA);
+
$final_key = '';
if ($dfrn_version >= 2.1) {
- if ((($importer['duplex']) && strlen($importer['cprvkey'])) || (! strlen($importer['cpubkey']))) {
+ if (($importer['duplex'] && strlen($importer['cprvkey'])) || !strlen($importer['cpubkey'])) {
openssl_private_decrypt($rawkey, $final_key, $importer['cprvkey']);
} else {
openssl_public_decrypt($rawkey, $final_key, $importer['cpubkey']);
}
} else {
- if ((($importer['duplex']) && strlen($importer['cpubkey'])) || (! strlen($importer['cprvkey']))) {
+ if (($importer['duplex'] && strlen($importer['cpubkey'])) || !strlen($importer['cprvkey'])) {
openssl_public_decrypt($rawkey, $final_key, $importer['cpubkey']);
} else {
openssl_private_decrypt($rawkey, $final_key, $importer['cprvkey']);
}
}
- #logger('rino: received key : ' . $final_key);
-
- switch($rino_remote) {
+ switch ($rino_remote) {
case 0:
case 1:
- /*
- *we got a key. old code send only the key, without RINO version.
- * we assume RINO 1 if key and no RINO version
- */
- $data = DFRN::aes_decrypt(hex2bin($data), $final_key);
- break;
- case 2:
- try {
- $data = \Defuse\Crypto\Crypto::decrypt(hex2bin($data), $final_key);
- } catch (\Defuse\Crypto\Exception\WrongKeyOrModifiedCiphertextException $ex) { // VERY IMPORTANT
- /*
- * Either:
- * 1. The ciphertext was modified by the attacker,
- * 2. The key is wrong, or
- * 3. $ciphertext is not a valid ciphertext or was corrupted.
- * Assume the worst.
- */
- logger('The ciphertext has been tampered with!');
- xml_status(0, 'The ciphertext has been tampered with!');
- } catch (\Defuse\Crypto\Exception\EnvironmentIsBrokenException $ex) {
- logger('Cannot safely perform dencryption');
- xml_status(0, 'CryptoTestFailed');
- }
+ // we got a key. old code send only the key, without RINO version.
+ // we assume RINO 1 if key and no RINO version
+ $data = DFRN::aesDecrypt(hex2bin($data), $final_key);
break;
default:
logger("rino: invalid sent version '$rino_remote'");
- xml_status(0, "Invalid sent version '$rino_remote'");
+ System::xmlExit(0, "Invalid sent version '$rino_remote'");
}
-
logger('rino: decrypted data: ' . $data, LOGGER_DATA);
}
+ logger('Importing post from ' . $importer['addr'] . ' to ' . $importer['nickname'] . ' with the RINO ' . $rino_remote . ' encryption.', LOGGER_DEBUG);
+
$ret = DFRN::import($data, $importer);
- xml_status($ret, 'Processed');
+ System::xmlExit($ret, 'Processed');
// NOTREACHED
}
+function dfrn_dispatch_public($postdata)
+{
+ $msg = Diaspora::decodeRaw([], $postdata);
+ if (!$msg) {
+ // We have to fail silently to be able to hand it over to the salmon parser
+ return false;
+ }
+
+ // Fetch the corresponding public contact
+ $contact = Contact::getDetailsByAddr($msg['author'], 0);
+ if (!$contact) {
+ logger('Contact not found for address ' . $msg['author']);
+ System::xmlExit(3, 'Contact ' . $msg['author'] . ' not found');
+ }
+
+ // We now have some contact, so we fetch it
+ $importer = DBA::fetch_first("SELECT *, `name` as `senderName`
+ FROM `contact`
+ WHERE NOT `blocked` AND `id` = ? LIMIT 1",
+ $contact['id']);
+
+ $importer['importer_uid'] = 0;
+
+ // This should never fail
+ if (!DBM::is_result($importer)) {
+ logger('Contact not found for address ' . $msg['author']);
+ System::xmlExit(3, 'Contact ' . $msg['author'] . ' not found');
+ }
+
+ logger('Importing post from ' . $msg['author'] . ' with the public envelope.', LOGGER_DEBUG);
+
+ // Now we should be able to import it
+ $ret = DFRN::import($msg['message'], $importer);
+ System::xmlExit($ret, 'Done');
+}
+
+function dfrn_dispatch_private($user, $postdata)
+{
+ $msg = Diaspora::decodeRaw($user, $postdata);
+ if (!$msg) {
+ System::xmlExit(4, 'Unable to parse message');
+ }
+
+ // Check if the user has got this contact
+ $cid = Contact::getIdForURL($msg['author'], $user['uid']);
+ if (!$cid) {
+ // Otherwise there should be a public contact
+ $cid = Contact::getIdForURL($msg['author']);
+ if (!$cid) {
+ logger('Contact not found for address ' . $msg['author']);
+ System::xmlExit(3, 'Contact ' . $msg['author'] . ' not found');
+ }
+ }
+
+ // We now have some contact, so we fetch it
+ $importer = DBA::fetch_first("SELECT *, `name` as `senderName`
+ FROM `contact`
+ WHERE NOT `blocked` AND `id` = ? LIMIT 1",
+ $cid);
+
+ // This should never fail
+ if (!DBM::is_result($importer)) {
+ logger('Contact not found for address ' . $msg['author']);
+ System::xmlExit(3, 'Contact ' . $msg['author'] . ' not found');
+ }
+
+ // Set the user id. This is important if this is a public contact
+ $importer['importer_uid'] = $user['uid'];
+
+ $importer = array_merge($importer, $user);
+
+ logger('Importing post from ' . $msg['author'] . ' to ' . $user['nickname'] . ' with the private envelope.', LOGGER_DEBUG);
+
+ // Now we should be able to import it
+ $ret = DFRN::import($msg['message'], $importer);
+ System::xmlExit($ret, 'Done');
+}
function dfrn_notify_content(App $a) {
- if(x($_GET,'dfrn_id')) {
+ if (x($_GET,'dfrn_id')) {
/*
* initial communication from external contact, $direction is their direction.
$type = "";
$last_update = "";
- logger('dfrn_notify: new notification dfrn_id=' . $dfrn_id);
+ logger('new notification dfrn_id=' . $dfrn_id);
$direction = (-1);
- if(strpos($dfrn_id,':') == 1) {
+ if (strpos($dfrn_id,':') == 1) {
$direction = intval(substr($dfrn_id,0,1));
$dfrn_id = substr($dfrn_id,2);
}
$status = 0;
- $r = q("DELETE FROM `challenge` WHERE `expire` < " . intval(time()));
+ DBA::delete('challenge', ["`expire` < ?", time()]);
- $r = q("INSERT INTO `challenge` ( `challenge`, `dfrn-id`, `expire` , `type`, `last_update` )
- VALUES( '%s', '%s', %d, '%s', '%s' ) ",
- dbesc($hash),
- dbesc($dfrn_id),
- intval(time() + 90 ),
- dbesc($type),
- dbesc($last_update)
- );
+ $fields = ['challenge' => $hash, 'dfrn-id' => $dfrn_id, 'expire' => time() + 90,
+ 'type' => $type, 'last_update' => $last_update];
+ DBA::insert('challenge', $fields);
- logger('dfrn_notify: challenge=' . $hash, LOGGER_DEBUG);
+ logger('challenge=' . $hash, LOGGER_DATA);
$sql_extra = '';
switch($direction) {
case (-1):
- $sql_extra = sprintf(" AND ( `issued-id` = '%s' OR `dfrn-id` = '%s' ) ", dbesc($dfrn_id), dbesc($dfrn_id));
+ $sql_extra = sprintf(" AND (`issued-id` = '%s' OR `dfrn-id` = '%s') ", dbesc($dfrn_id), dbesc($dfrn_id));
$my_id = $dfrn_id;
break;
case 0:
dbesc($a->argv[1])
);
- if (! DBM::is_result($r)) {
- $status = 1;
+ if (!DBM::is_result($r)) {
+ logger('No user data found for ' . $a->argv[1] . ' - SQL: ' . $sql_extra);
+ killme();
}
- logger("Remote rino version: ".$rino_remote." for ".$r[0]["url"], LOGGER_DEBUG);
+ logger("Remote rino version: ".$rino_remote." for ".$r[0]["url"], LOGGER_DATA);
$challenge = '';
$encrypted_id = '';
$pub_key = trim($r[0]['pubkey']);
$dplx = intval($r[0]['duplex']);
- if ((($dplx) && (strlen($prv_key))) || ((strlen($prv_key)) && (!(strlen($pub_key))))) {
+ if (($dplx && strlen($prv_key)) || (strlen($prv_key) && !strlen($pub_key))) {
openssl_private_encrypt($hash, $challenge, $prv_key);
openssl_private_encrypt($id_str, $encrypted_id, $prv_key);
} elseif (strlen($pub_key)) {
$rino = Config::get('system', 'rino_encrypt');
$rino = intval($rino);
- logger("Local rino version: ". $rino, LOGGER_DEBUG);
+ logger("Local rino version: ". $rino, LOGGER_DATA);
// if requested rino is lower than enabled local rino, lower local rino version
// if requested rino is higher than enabled local rino, reply with local rino
$rino = $rino_remote;
}
- if((($r[0]['rel']) && ($r[0]['rel'] != CONTACT_IS_SHARING)) || ($r[0]['page-flags'] == PAGE_COMMUNITY)) {
+ if (($r[0]['rel'] && ($r[0]['rel'] != CONTACT_IS_SHARING)) || ($r[0]['page-flags'] == PAGE_COMMUNITY)) {
$perm = 'rw';
} else {
$perm = 'r';
killme();
}
-
}