diff options
Diffstat (limited to 'include/channel.php')
| -rw-r--r-- | include/channel.php | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/include/channel.php b/include/channel.php index 49da57fd6..f6252f094 100644 --- a/include/channel.php +++ b/include/channel.php @@ -454,6 +454,108 @@ function create_identity($arr) { return $ret; } + +function change_channel_keys($channel) { + + $ret = array('success' => false); + + $stored = []; + + $key = new_keypair(4096); + + $sig = base64url_encode(rsa_sign($channel['channel_guid'],$key['prvkey'])); + $hash = make_xchan_hash($channel['channel_guid'],$sig); + + $stored['old_guid'] = $channel['channel_guid']; + $stored['old_guid_sig'] = $channel['channel_guid_sig']; + $stored['old_key'] = $channel['channel_pubkey']; + $stored['old_hash'] = $channel['channel_hash']; + + $stored['new_key'] = $key['pubkey']; + $stored['new_sig'] = base64url_encode(rsa_sign($key['pubkey'],$channel['channel_prvkey'])); + + // Save this info for the notifier to collect + + set_pconfig($channel['channel_id'],'system','keychange',$stored); + + $r = q("update channel set channel_prvkey = '%s', channel_pubkey = '%s', channel_guid_sig = '%s', channel_hash = '%s' where channel_id = %d", + dbesc($key['prvkey']), + dbesc($key['pubkey']), + dbesc($sig), + dbesc($hash), + intval($channel['channel_id']) + ); + if(! $r) { + return $ret; + } + + $r = q("select * from channel where channel_id = %d", + intval($channel['channel_id']) + ); + + if(! $r) { + $ret['message'] = t('Unable to retrieve modified identity'); + return $ret; + } + + $modified = $r[0]; + + $h = q("select * from hubloc where hubloc_hash = '%s' and hubloc_url = '%s' ", + dbesc($stored['old_hash']), + dbesc(z_root()) + ); + + if($h) { + foreach($h as $hv) { + $hv['hubloc_guid_sig'] = $sig; + $hv['hubloc_hash'] = $hash; + $hv['hubloc_url_sig'] = base64url_encode(rsa_sign(z_root(),$modifed['channel_prvkey'])); + hubloc_store_lowlevel($hv); + } + } + + $x = q("select * from xchan where xchan_hash = '%s' ", + dbesc($stored['old_hash']) + ); + + $check = q("select * from xchan where xchan_hash = '%s'", + dbesc($hash) + ); + + if(($x) && (! $check)) { + $oldxchan = $x[0]; + foreach($x as $xv) { + $xv['xchan_guid_sig'] = $sig; + $xv['xchan_hash'] = $hash; + $xv['xchan_pubkey'] = $key['pubkey']; + xchan_store_lowlevel($xv); + $newxchan = $xv; + } + } + + build_sync_packet($channel['channel_id'], [ 'keychange' => $stored ]); + + $a = q("select * from abook where abook_xchan = '%s' and abook_self = 1", + dbesc($stored['old_hash']) + ); + + if($a) { + q("update abook set abook_xchan = '%s' where abook_id = %d", + dbesc($hash), + intval($a[0]['abook_id']) + ); + } + + xchan_change_key($oldxchan,$newxchan,$stored); + + Zotlabs\Daemon\Master::Summon(array('Notifier', 'keychange', $channel['channel_id'])); + + $ret['success'] = true; + return $ret; +} + + + /** * @brief Set default channel to be used on login. * |