<?php
-// TODO:
-// add relevant contacts so they can use this
-
// There is a lot of debug stuff in here because this is quite a
// complicated process to try and sort out.
require_once('include/salmon.php');
-require_once('simplepie/simplepie.inc');
+require_once('include/crypto.php');
+require_once('library/simplepie/simplepie.inc');
function salmon_return($val) {
$xml = file_get_contents('php://input');
- logger('mod-salmon: new salmon ' . $xml);
+ logger('mod-salmon: new salmon ' . $xml, LOGGER_DATA);
$nick = (($a->argc > 1) ? notags(trim($a->argv[1])) : '');
$mentions = (($a->argc > 2 && $a->argv[2] === 'mention') ? true : false);
- $r = q("SELECT * FROM `user` WHERE `nickname` = '%s' LIMIT 1",
+ $r = q("SELECT * FROM `user` WHERE `nickname` = '%s' AND `account_expired` = 0 LIMIT 1",
dbesc($nick)
);
if(! count($r))
- salmon_return(500);
+ http_status_exit(500);
$importer = $r[0];
if(! $base) {
logger('mod-salmon: unable to locate salmon data in xml ');
- salmon_return(400);
+ http_status_exit(400);
}
// Stash the signature away for now. We have to find their key or it won't be good for anything.
$encoding = $base->encoding;
$alg = $base->alg;
- // If we're talking to status.net or one of their ilk, they aren't following the magic envelope spec
- // and only signed the data element. We'll be nice and let them validate anyway.
+ // Salmon magic signatures have evolved and there is no way of knowing ahead of time which
+ // flavour we have. We'll try and verify it regardless.
$stnet_signed_data = $data;
+
$signed_data = $data . '.' . base64url_encode($type) . '.' . base64url_encode($encoding) . '.' . base64url_encode($alg);
+ $compliant_format = str_replace('=','',$signed_data);
+
+
// decode the data
$data = base64url_decode($data);
if(! $author_link) {
logger('mod-salmon: Could not retrieve author URI.');
- salmon_return(400);
+ http_status_exit(400);
}
// Once we have the author URI, go to the web and try to find their public key
if(! $key) {
logger('mod-salmon: Could not retrieve author key.');
- salmon_return(400);
+ http_status_exit(400);
}
- // Setup RSA stuff to verify the signature
-
- set_include_path(get_include_path() . PATH_SEPARATOR . 'phpsec');
-
- require_once('phpsec/Crypt/RSA.php');
-
$key_info = explode('.',$key);
$m = base64url_decode($key_info[1]);
$e = base64url_decode($key_info[2]);
- logger('mod-salmon: key details: ' . print_r($key_info,true));
-
- $rsa = new CRYPT_RSA();
- $rsa->signatureMode = CRYPT_RSA_SIGNATURE_PKCS1;
- $rsa->setHash('sha256');
+ logger('mod-salmon: key details: ' . print_r($key_info,true), LOGGER_DEBUG);
- $rsa->modulus = new Math_BigInteger($m, 256);
- $rsa->k = strlen($rsa->modulus->toBytes());
- $rsa->exponent = new Math_BigInteger($e, 256);
+ $pubkey = metopem($m,$e);
// We should have everything we need now. Let's see if it verifies.
- // If it fails with the proper data format, try again using just the data
- // (e.g. status.net)
- $verify = $rsa->verify($signed_data,$signature);
+ $verify = rsa_verify($compliant_format,$signature,$pubkey);
if(! $verify) {
- logger('mod-salmon: message did not verify using protocol. Trying statusnet hack.');
- $verify = $rsa->verify($stnet_signed_data,$signature);
+ logger('mod-salmon: message did not verify using protocol. Trying padding hack.');
+ $verify = rsa_verify($signed_data,$signature,$pubkey);
+ }
+
+ if(! $verify) {
+ logger('mod-salmon: message did not verify using padding. Trying old statusnet hack.');
+ $verify = rsa_verify($stnet_signed_data,$signature,$pubkey);
}
if(! $verify) {
logger('mod-salmon: Message did not verify. Discarding.');
- salmon_return(400);
+ http_status_exit(400);
}
logger('mod-salmon: Message verified.');
*
*/
- $r = q("SELECT * FROM `contact` WHERE `network` = 'stat' AND ( `url` = '%s' OR `alias` = '%s')
+ $r = q("SELECT * FROM `contact` WHERE `network` = '%s' AND ( `url` = '%s' OR `alias` = '%s' )
AND `uid` = %d LIMIT 1",
+ dbesc(NETWORK_OSTATUS),
dbesc($author_link),
dbesc($author_link),
intval($importer['uid'])
);
if(! count($r)) {
logger('mod-salmon: Author unknown to us.');
+ if(get_pconfig($importer['uid'],'system','ostatus_autofriend')) {
+ require_once('include/follow.php');
+ $result = new_contact($importer['uid'],$author_link);
+ if($result['success']) {
+ $r = q("SELECT * FROM `contact` WHERE `network` = '%s' AND ( `url` = '%s' OR `alias` = '%s' )
+ AND `uid` = %d LIMIT 1",
+ dbesc(NETWORK_OSTATUS),
+ dbesc($author_link),
+ dbesc($author_link),
+ intval($importer['uid'])
+ );
+ }
+ }
}
- if((count($r)) && ($r[0]['readonly'])) {
+
+ // is this a follower? Or have we ignored the person?
+ // If so we can not accept this post.
+
+ if((count($r)) && (($r[0]['readonly']) || ($r[0]['rel'] == CONTACT_IS_FOLLOWER) || ($r[0]['blocked']))) {
logger('mod-salmon: Ignoring this author.');
- salmon_return(202);
+ http_status_exit(202);
// NOTREACHED
}
- // Check if we're allowed to talk to insecure networks
-
- if(get_config('system','strict_privacy'))
- salmon_return(400);
-
require_once('include/items.php');
// Placeholder for hub discovery. We shouldn't find any hubs
consume_feed($feedxml,$importer,$contact_rec,$hub);
- salmon_return(200);
+ http_status_exit(200);
}
projects / friendica.git / blobdiff