* @brief The dfrn notify endpoint
* @see PDF with dfrn specs: https://github.com/friendica/friendica/blob/master/spec/dfrn2.pdf
*/
+
+use Friendica\App;
+
require_once('include/items.php');
require_once('include/dfrn.php');
require_once('include/event.php');
}
$direction = (-1);
- if (strpos($dfrn_id,':') == 1) {
- $direction = intval(substr($dfrn_id,0,1));
- $dfrn_id = substr($dfrn_id,2);
+ if (strpos($dfrn_id, ':') == 1) {
+ $direction = intval(substr($dfrn_id, 0, 1));
+ $dfrn_id = substr($dfrn_id, 2);
}
$r = q("SELECT * FROM `challenge` WHERE `dfrn-id` = '%s' AND `challenge` = '%s' LIMIT 1",
);
if (! dbm::is_result($r)) {
logger('dfrn_notify: could not match challenge to dfrn_id ' . $dfrn_id . ' challenge=' . $challenge);
- xml_status(3);
+ xml_status(3, 'Could not match challenge');
}
$r = q("DELETE FROM `challenge` WHERE `dfrn-id` = '%s' AND `challenge` = '%s'",
// find the local user who owns this relationship.
$sql_extra = '';
- switch($direction) {
+ switch ($direction) {
case (-1):
$sql_extra = sprintf(" AND ( `issued-id` = '%s' OR `dfrn-id` = '%s' ) ", dbesc($dfrn_id), dbesc($dfrn_id));
break;
$sql_extra = sprintf(" AND `dfrn-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
break;
default:
- xml_status(3);
+ xml_status(3, 'Invalid direction');
break; // NOTREACHED
}
- // be careful - $importer will contain both the contact information for the contact
- // sending us the post, and also the user information for the person receiving it.
- // since they are mixed together, it is easy to get them confused.
+ /*
+ * be careful - $importer will contain both the contact information for the contact
+ * sending us the post, and also the user information for the person receiving it.
+ * since they are mixed together, it is easy to get them confused.
+ */
$r = q("SELECT `contact`.*, `contact`.`uid` AS `importer_uid`,
`contact`.`pubkey` AS `cpubkey`,
if (! dbm::is_result($r)) {
logger('dfrn_notify: contact not found for dfrn_id ' . $dfrn_id);
- xml_status(3);
+ xml_status(3, 'Contact not found');
//NOTREACHED
}
intval($prv),
intval($importer['id'])
);
- if ($writable != (-1))
+ if ($writable != (-1)) {
$importer['writable'] = $writable;
+ }
$importer['forum'] = $page;
}
require_once('include/Contact.php');
contact_remove($importer['id']);
logger('relationship dissolved : ' . $importer['name'] . ' dissolved ' . $importer['username']);
- xml_status(0);
-
+ xml_status(0, 'relationship dissolved');
}
-
- // If we are setup as a soapbox we aren't accepting input from this person
- // This behaviour is deactivated since it really doesn't make sense to even disallow comments
- // The check if someone is a friend or simply a follower is done in a later place so it needn't to be done here
- //if ($importer['page-flags'] == PAGE_SOAPBOX)
- // xml_status(0);
-
- $rino = get_config('system','rino_encrypt');
+ $rino = get_config('system', 'rino_encrypt');
$rino = intval($rino);
- // use RINO1 if mcrypt isn't installed and RINO2 was selected
- if ($rino==2 and !function_exists('mcrypt_create_iv')) $rino=1;
- logger("Local rino version: ". $rino, LOGGER_DEBUG);
+ logger("Local rino version: " . $rino, LOGGER_DEBUG);
if (strlen($key)) {
// but only for $remote_rino > 1, because old code did't send rino version
if ($rino_remote_version > 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 '$rino'");
+ xml_status(0, "rino version '$rino_remote' is lower than supported '$rino'");
}
$rawkey = hex2bin(trim($key));
if ($dfrn_version >= 2.1) {
if ((($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']);
+ openssl_private_decrypt($rawkey, $final_key, $importer['cprvkey']);
+ } else {
+ openssl_public_decrypt($rawkey, $final_key, $importer['cpubkey']);
}
- }
- else {
+ } else {
if ((($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']);
+ openssl_public_decrypt($rawkey, $final_key, $importer['cpubkey']);
+ } else {
+ openssl_private_decrypt($rawkey, $final_key, $importer['cprvkey']);
}
}
switch($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
- $data = aes_decrypt(hex2bin($data),$final_key);
+ /*
+ *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 {
- $data = Crypto::decrypt(hex2bin($data),$final_key);
+ $data = Crypto::decrypt(hex2bin($data), $final_key);
} catch (InvalidCiphertext $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.
+ /*
+ * 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!');
+ xml_status(0, 'The ciphertext has been tampered with!');
} catch (Ex\CryptoTestFailed $ex) {
logger('Cannot safely perform dencryption');
- xml_status(0,'CryptoTestFailed');
+ xml_status(0, 'CryptoTestFailed');
} catch (Ex\CannotPerformOperation $ex) {
logger('Cannot safely perform decryption');
- xml_status(0,'Cannot safely perform decryption');
+ xml_status(0, 'Cannot safely perform decryption');
}
break;
default:
- logger("rino: invalid sent verision '$rino_remote'");
- xml_status(0);
+ logger("rino: invalid sent version '$rino_remote'");
+ xml_status(0, "Invalid sent version '$rino_remote'");
}
}
$ret = dfrn::import($data, $importer);
- xml_status($ret);
+ xml_status($ret, 'Processed');
// NOTREACHED
}
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.
- // If this is a duplex communication, ours will be the opposite.
+ /*
+ * initial communication from external contact, $direction is their direction.
+ * If this is a duplex communication, ours will be the opposite.
+ */
$dfrn_id = notags(trim($_GET['dfrn_id']));
$dfrn_version = (float) $_GET['dfrn_version'];
logger('dfrn_notify: 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);
}
logger("Remote rino version: ".$rino_remote." for ".$r[0]["url"], LOGGER_DEBUG);
- $challenge = '';
+ $challenge = '';
$encrypted_id = '';
- $id_str = $my_id . '.' . mt_rand(1000,9999);
+ $id_str = $my_id . '.' . mt_rand(1000,9999);
$prv_key = trim($r[0]['prvkey']);
$pub_key = trim($r[0]['pubkey']);
- $dplx = intval($r[0]['duplex']);
+ $dplx = intval($r[0]['duplex']);
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);
+ openssl_private_encrypt($hash, $challenge, $prv_key);
+ openssl_private_encrypt($id_str, $encrypted_id, $prv_key);
} elseif (strlen($pub_key)) {
- openssl_public_encrypt($hash,$challenge,$pub_key);
- openssl_public_encrypt($id_str,$encrypted_id,$pub_key);
+ openssl_public_encrypt($hash, $challenge, $pub_key);
+ openssl_public_encrypt($id_str, $encrypted_id, $pub_key);
} else {
+ /// @TODO these kind of else-blocks are making the code harder to understand
$status = 1;
}
$encrypted_id = bin2hex($encrypted_id);
- $rino = get_config('system','rino_encrypt');
+ $rino = get_config('system', 'rino_encrypt');
$rino = intval($rino);
- // use RINO1 if mcrypt isn't installed and RINO2 was selected
- if ($rino==2 and !function_exists('mcrypt_create_iv')) $rino=1;
logger("Local rino version: ". $rino, LOGGER_DEBUG);
// if requested rino is lower than enabled local rino, lower local rino version
// if requested rino is higher than enabled local rino, reply with local rino
- if ($rino_remote < $rino) $rino = $rino_remote;
+ if ($rino_remote < $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';