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-rw-r--r--mod/salmon.php44
1 files changed, 13 insertions, 31 deletions
diff --git a/mod/salmon.php b/mod/salmon.php
index 514653be3..0264e820d 100644
--- a/mod/salmon.php
+++ b/mod/salmon.php
@@ -5,6 +5,7 @@
// complicated process to try and sort out.
require_once('include/salmon.php');
+require_once('include/crypto.php');
require_once('library/simplepie/simplepie.inc');
function salmon_return($val) {
@@ -33,7 +34,7 @@ function salmon_post(&$a) {
dbesc($nick)
);
if(! count($r))
- salmon_return(500);
+ http_status_exit(500);
$importer = $r[0];
@@ -52,7 +53,7 @@ function salmon_post(&$a) {
if(! $base) {
logger('mod-salmon: unable to locate salmon data in xml ');
- salmon_return(400);
+ http_status_exit(400);
}
// Stash the signature away for now. We have to find their key or it won't be good for anything.
@@ -117,7 +118,7 @@ function salmon_post(&$a) {
if(! $author_link) {
logger('mod-salmon: Could not retrieve author URI.');
- salmon_return(400);
+ http_status_exit(400);
}
// Once we have the author URI, go to the web and try to find their public key
@@ -129,54 +130,35 @@ function salmon_post(&$a) {
if(! $key) {
logger('mod-salmon: Could not retrieve author key.');
- salmon_return(400);
+ http_status_exit(400);
}
- // Setup RSA stuff to verify the signature
-
- require_once('library/phpsec/Crypt/RSA.php');
-
- $rsa = new CRYPT_RSA();
- $rsa->signatureMode = CRYPT_RSA_SIGNATURE_PKCS1;
- $rsa->setHash('sha256');
- $rsa->loadKey($prvkey);
-
- $sig = $rsa->sign($data);
-
- require_once('library/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.
- $verify = $rsa->verify($compliant_format,$signature);
+ $verify = rsa_verify($compliant_format,$signature,$pubkey);
if(! $verify) {
logger('mod-salmon: message did not verify using protocol. Trying padding hack.');
- $verify = $rsa->verify($signed_data,$signature);
+ $verify = rsa_verify($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);
+ $verify = rsa_verify($stnet_signed_data,$signature,$pubkey);
}
if(! $verify) {
logger('mod-salmon: Message did not verify. Discarding.');
- salmon_return(400);
+ http_status_exit(400);
}
logger('mod-salmon: Message verified.');
@@ -203,7 +185,7 @@ function salmon_post(&$a) {
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
}
@@ -225,7 +207,7 @@ function salmon_post(&$a) {
consume_feed($feedxml,$importer,$contact_rec,$hub);
- salmon_return(200);
+ http_status_exit(200);
}