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reciprocal verification on notify, poll

This commit is contained in:
Mike Macgirvin 2010-08-05 02:57:03 -07:00
parent b294ff6302
commit 40a06771ff
5 changed files with 41 additions and 6 deletions
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14
include/notifier.php
View File

@ -267,12 +267,22 @@ echo $xml;
$res = simplexml_load_string($xml);
if((intval($res->status) != 0) || (! strlen($res->challenge)) || ($res->dfrn_id != $rr['dfrn-id']))
if((intval($res->status) != 0) || (! strlen($res->challenge)) || (! strlen($res->dfrn_id)))
continue;
$postvars = array();
$sent_dfrn_id = hex2bin($res->dfrn_id);
$final_dfrn_id = '';
openssl_public_decrypt($sent_dfrn_id,$final_dfrn_id,$rr['pubkey']);
$final_dfrn_id = substr($final_dfrn_id, 0, strpos($final_dfrn_id, '.'));
if($final_dfrn_id != $rr['dfrn-id']) {
// did not decode properly - cannot trust this site
continue;
}
$postvars['dfrn_id'] = $rr['dfrn-id'];
$challenge = hex2bin($res->challenge);
openssl_public_decrypt($challenge,$postvars['challenge'],$rr['pubkey']);
@ -295,7 +305,7 @@ echo $xml;
// Currently there is no retry attempt for failed mail delivery.
// We need to handle this in the UI, report the non-deliverables and try again
if(($cmd == 'mail) && (intval($res->status) == 0)) {
if(($cmd == 'mail') && (intval($res->status) == 0)) {
$r = q("UPDATE `mail` SET `delivered` = 1 WHERE `id` = %d LIMIT 1",
intval($item_id)

12
include/poller.php
View File

@ -84,11 +84,21 @@ echo "XML: " . $xml;
$res = simplexml_load_string($xml);
if((intval($res->status) != 0) || (! strlen($res->challenge)) || ($res->dfrn_id != $contact['dfrn-id']))
if((intval($res->status) != 0) || (! strlen($res->challenge)) || (! strlen($res->dfrn_id)))
continue;
$postvars = array();
$sent_dfrn_id = hex2bin($res->dfrn_id);
$final_dfrn_id = '';
openssl_public_decrypt($sent_dfrn_id,$final_dfrn_id,$contact['pubkey']);
$final_dfrn_id = substr($final_dfrn_id, 0, strpos($final_dfrn_id, '.'));
if($final_dfrn_id != $contact['dfrn-id']) {
// did not decode properly - cannot trust this site
continue;
}
$postvars['dfrn_id'] = $contact['dfrn-id'];
$challenge = hex2bin($res->challenge);

9
mod/dfrn_notify.php
View File

@ -253,7 +253,14 @@ function dfrn_notify_content(&$a) {
openssl_private_encrypt($hash,$challenge,$r[0]['prvkey']);
$challenge = bin2hex($challenge);
echo '<?xml version="1.0" encoding="UTF-8"?><dfrn_notify><status>' .$status . '</status><dfrn_id>' . $_GET['dfrn_id'] . '</dfrn_id>'
$encrypted_id = '';
$id_str = $_GET['dfrn_id'] . '.' . mt_rand(1000,9999);
openssl_private_encrypt($id_str,$encrypted_id,$r[0]['prvkey']);
$encrypted_id = bin2hex($encrypted_id);
echo '<?xml version="1.0" encoding="UTF-8"?><dfrn_notify><status>' .$status . '</status><dfrn_id>' . $encrypted_id . '</dfrn_id>'
. '<challenge>' . $challenge . '</challenge></dfrn_notify>' . "\r\n" ;
session_write_close();
exit;

10
mod/dfrn_poll.php
View File

@ -174,7 +174,15 @@ function dfrn_poll_content(&$a) {
openssl_private_encrypt($hash,$challenge,$r[0]['prvkey']);
$challenge = bin2hex($challenge);
echo '<?xml version="1.0" encoding="UTF-8"?><dfrn_poll><status>' .$status . '</status><dfrn_id>' . $_GET['dfrn_id'] . '</dfrn_id>'
$encrypted_id = '';
$id_str = $_GET['dfrn_id'] . '.' . mt_rand(1000,9999);
openssl_private_encrypt($id_str,$encrypted_id,$r[0]['prvkey']);
$encrypted_id = bin2hex($encrypted_id);
echo '<?xml version="1.0" encoding="UTF-8"?><dfrn_poll><status>' .$status . '</status><dfrn_id>' . $encrypted_id . '</dfrn_id>'
. '<challenge>' . $challenge . '</challenge></dfrn_poll>' . "\r\n" ;
session_write_close();
exit;

2
mod/regmod.php
View File

@ -6,7 +6,7 @@ function regmod_content(&$a) {
if(! local_user()) {
notice( t('Please login.') . EOL);
$o = login(($a->config['register_policy'] == REGISTER_CLOSED) ? 0 : 1);
$o .= '<br /><br />' . login(($a->config['register_policy'] == REGISTER_CLOSED) ? 0 : 1);
return $o;
}