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workarounds for people that re-install and end up polluting everybody's databases with stale entries

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friendica
2013-05-16 20:21:12 -07:00
parent 98018f4969
commit deedac6ae5
3 changed files with 28 additions and 7 deletions
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29
mod/post.php
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@@ -200,17 +200,36 @@ function post_post(&$a) {
logger('mod_zot: pickup: ' . $ret['message']);
json_return_and_die($ret);
}
// verify the url_sig
$sitekey = $r[0]['hubloc_sitekey'];
// logger('sitekey: ' . $sitekey);
if(! rsa_verify($data['callback'],base64url_decode($data['callback_sig']),$sitekey)) {
foreach ($r as $hubsite) {
// verify the url_sig
// If the server was re-installed at some point, there could be multiple hubs with the same url and callback.
// Only one will have a valid key.
$forgery = true;
$secret_fail = true;
$sitekey = $hubsite['hubloc_sitekey'];
// logger('sitekey: ' . $sitekey);
if(rsa_verify($data['callback'],base64url_decode($data['callback_sig']),$sitekey)) {
$forgery = false;
}
if(rsa_verify($data['secret'],base64url_decode($data['secret_sig']),$sitekey)) {
$secret_fail = false;
}
if((! $forgery) && (! $secret_fail))
break;
}
if($forgery) {
$ret['message'] = 'possible site forgery';
logger('mod_zot: pickup: ' . $ret['message']);
json_return_and_die($ret);
}
if(! rsa_verify($data['secret'],base64url_decode($data['secret_sig']),$sitekey)) {
if($secret_fail) {
$ret['message'] = 'secret validation failed';
logger('mod_zot: pickup: ' . $ret['message']);
json_return_and_die($ret);