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secure permission discovery

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This commit is contained in:
friendica 2012-11-02 16:25:59 -07:00
parent aca2e3b52a
commit a47a1d5eb9
2 changed files with 17 additions and 2 deletions
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15
include/follow.php
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@ -80,7 +80,20 @@ function new_contact($uid,$url,$channel,$interactive = false) {
$global_perms = get_perms();
foreach($j->permissions as $k => $v) {
if($j->permissions->data) {
$permissions = aes_unencapsulate(array(
'data' => $j->permissions->data,
'key' => $j->permissions->key,
'iv' => $j->permissions->iv),
$channel['channel_prvkey']);
if($permissions)
$permissions = json_decode($permissions);
logger('decrypted permissions: ' . print_r($permissions,true), LOGGER_DATA);
}
else
$permissions = $j->permissions;
foreach($permissions as $k => $v) {
if($v) {
$their_perms = $their_perms | intval($global_perms[$k][1]);
}

4
mod/zfinger.php
View File

@ -78,10 +78,12 @@ function zfinger_init(&$a) {
// FIXME encrypt permissions when targeted so that only the target can view them, requires sending the pubkey and also checking that the target_sig is signed with that pubkey and isn't a forgery.
$ret['permissions'] = get_all_perms($e['channel_id'],(($ztarget && $zsig)
$permissions = get_all_perms($e['channel_id'],(($ztarget && $zsig)
? base64url_encode(hash('whirlpool',$ztarget . $zsig,true))
: '' ),false);
$ret['permissions'] = (($ztarget) ? aes_encapsulate(json_encode($permissions),$zkey) : $permissions);
// $ret['profile'] = $profile;