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-rw-r--r--Zotlabs/Daemon/Notifier.php25
-rw-r--r--Zotlabs/Zot/IHandler.php2
-rw-r--r--Zotlabs/Zot/Receiver.php4
-rw-r--r--Zotlabs/Zot/ZotHandler.php4
-rw-r--r--include/channel.php99
-rw-r--r--include/xchan.php229
-rw-r--r--include/zot.php44
7 files changed, 405 insertions, 2 deletions
diff --git a/Zotlabs/Daemon/Notifier.php b/Zotlabs/Daemon/Notifier.php
index 20dd96ddd..f64e6748c 100644
--- a/Zotlabs/Daemon/Notifier.php
+++ b/Zotlabs/Daemon/Notifier.php
@@ -67,6 +67,7 @@ require_once('include/bbcode.php');
* location channel_id
* request channel_id xchan_hash message_id
* rating xlink_id
+ * keychange channel_id
*
*/
@@ -144,6 +145,20 @@ class Notifier {
$packet_type = 'request';
$normal_mode = false;
}
+ elseif($cmd === 'keychange') {
+ $channel = channelx_by_n($item_id);
+ $r = q("select abook_xchan from abook where abook_channel = %d",
+ intval($item_id)
+ );
+ if($r) {
+ foreach($r as $rr) {
+ $recipients[] = $rr['abook_xchan'];
+ }
+ }
+ $private = false;
+ $packet_type = 'keychange';
+ $normal_mode = false;
+ }
elseif($cmd == 'permission_update' || $cmd == 'permission_create') {
// Get the (single) recipient
$r = q("select * from abook left join xchan on abook_xchan = xchan_hash where abook_id = %d and abook_self = 0",
@@ -570,12 +585,17 @@ class Notifier {
}
- $hash = random_string();
+ $hash = random_string();
$packet = null;
+ $pmsg = '';
if($packet_type === 'refresh' || $packet_type === 'purge') {
$packet = zot_build_packet($channel,$packet_type,(($packet_recips) ? $packet_recips : null));
}
+ if($packet_type === 'keychange') {
+ $packet = zot_build_packet($channel,$packet_type,(($packet_recips) ? $packet_recips : null));
+ $pmsg = get_pconfig($channel['channel_id'],'system','keychange');
+ }
elseif($packet_type === 'request') {
$env = (($hub_env && $hub_env[$hub['hubloc_host'] . $hub['hubloc_sitekey']]) ? $hub_env[$hub['hubloc_host'] . $hub['hubloc_sitekey']] : '');
$packet = zot_build_packet($channel,$packet_type,$env,$hub['hubloc_sitekey'],$hub['site_crypto'],
@@ -589,7 +609,8 @@ class Notifier {
'account_id' => $channel['channel_account_id'],
'channel_id' => $channel['channel_id'],
'posturl' => $hub['hubloc_callback'],
- 'notify' => $packet
+ 'notify' => $packet,
+ 'msg' => (($pmsg) ? json_encode($pmsg) : '')
));
}
else {
diff --git a/Zotlabs/Zot/IHandler.php b/Zotlabs/Zot/IHandler.php
index eeca1555c..dd82f5be6 100644
--- a/Zotlabs/Zot/IHandler.php
+++ b/Zotlabs/Zot/IHandler.php
@@ -12,6 +12,8 @@ interface IHandler {
function Request($data);
+ function Rekey($sender,$data);
+
function AuthCheck($data,$encrypted);
function Purge($sender,$recipients);
diff --git a/Zotlabs/Zot/Receiver.php b/Zotlabs/Zot/Receiver.php
index 0050a2559..c521c9d64 100644
--- a/Zotlabs/Zot/Receiver.php
+++ b/Zotlabs/Zot/Receiver.php
@@ -120,6 +120,10 @@ class Receiver {
$this->handler->Notify($this->data);
break;
+ case 'rekey':
+ $this->handler->Rekey($this->sender, $this->data);
+ break;
+
default:
$this->response['message'] = 'Not implemented';
json_return_and_die($this->response);
diff --git a/Zotlabs/Zot/ZotHandler.php b/Zotlabs/Zot/ZotHandler.php
index aab336545..ab8815b3d 100644
--- a/Zotlabs/Zot/ZotHandler.php
+++ b/Zotlabs/Zot/ZotHandler.php
@@ -20,6 +20,10 @@ class ZotHandler implements IHandler {
zot_reply_message_request($data);
}
+ function Rekey($sender,$data) {
+ zot_rekey_request($sender,$data);
+ }
+
function AuthCheck($data,$encrypted) {
zot_reply_auth_check($data,$encrypted);
}
diff --git a/include/channel.php b/include/channel.php
index 49da57fd6..23ceb1414 100644
--- a/include/channel.php
+++ b/include/channel.php
@@ -454,6 +454,105 @@ function create_identity($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;
+ }
+ }
+
+ $a = q("select * from abook where abook_xchan = '%s' and abook_self = 1",
+ dbesc($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 $ret;
+}
+
+
+
/**
* @brief Set default channel to be used on login.
*
diff --git a/include/xchan.php b/include/xchan.php
index 12eb674fa..dba0b8b88 100644
--- a/include/xchan.php
+++ b/include/xchan.php
@@ -137,3 +137,232 @@ function xchan_fetch($arr) {
}
+function xchan_change_key($oldx,$newx,$data) {
+
+ $r = q("update abook set abook_xchan = '%s' where abook_xchan = '%s'",
+ dbsec($newx['xchan_hash']),
+ dbesc($oldx['xchan_hash'])
+ );
+
+ $r = q("update abconfig set xchan = '%s' where xchan = '%s'",
+ dbsec($newx['xchan_hash']),
+ dbesc($oldx['xchan_hash'])
+ );
+
+ $r = q("update group_member set xchan = '%s' where xchan = '%s'",
+ dbsec($newx['xchan_hash']),
+ dbesc($oldx['xchan_hash'])
+ );
+
+ $r = q("update chat set chat_xchan = '%s' where chat_xchan = '%s'",
+ dbsec($newx['xchan_hash']),
+ dbesc($oldx['xchan_hash'])
+ );
+
+ $r = q("update chatpresence set cp_xchan = '%s' where cp_xchan = '%s'",
+ dbsec($newx['xchan_hash']),
+ dbesc($oldx['xchan_hash'])
+ );
+
+ $r = q("update event set event_xchan = '%s' where event_xchan = '%s'",
+ dbsec($newx['xchan_hash']),
+ dbesc($oldx['xchan_hash'])
+ );
+
+ $r = q("update item set owner_xchan = '%s' where owner_xchan = '%s'",
+ dbsec($newx['xchan_hash']),
+ dbesc($oldx['xchan_hash'])
+ );
+
+ $r = q("update item set author_xchan = '%s' where author_xchan = '%s'",
+ dbsec($newx['xchan_hash']),
+ dbesc($oldx['xchan_hash'])
+ );
+
+ $r = q("update item set source_xchan = '%s' where source_xchan = '%s'",
+ dbsec($newx['xchan_hash']),
+ dbesc($oldx['xchan_hash'])
+ );
+
+ $r = q("update mail set from_xchan = '%s' where from_xchan = '%s'",
+ dbsec($newx['xchan_hash']),
+ dbesc($oldx['xchan_hash'])
+ );
+
+ $r = q("update mail set to_xchan = '%s' where to_xchan = '%s'",
+ dbsec($newx['xchan_hash']),
+ dbesc($oldx['xchan_hash'])
+ );
+
+ $r = q("update shares set share_xchan = '%s' where share_xchan = '%s'",
+ dbsec($newx['xchan_hash']),
+ dbesc($oldx['xchan_hash'])
+ );
+
+ $r = q("update source set src_channel_xchan = '%s' where src_channel_xchan = '%s'",
+ dbsec($newx['xchan_hash']),
+ dbesc($oldx['xchan_hash'])
+ );
+
+ $r = q("update source set src_xchan = '%s' where src_xchan = '%s'",
+ dbsec($newx['xchan_hash']),
+ dbesc($oldx['xchan_hash'])
+ );
+
+ $r = q("update xchat set xchat_xchan = '%s' where xchat_xchan = '%s'",
+ dbsec($newx['xchan_hash']),
+ dbesc($oldx['xchan_hash'])
+ );
+
+ $r = q("update xconfig set xchan = '%s' where xchan = '%s'",
+ dbsec($newx['xchan_hash']),
+ dbesc($oldx['xchan_hash'])
+ );
+
+ $r = q("update xign set xchan = '%s' where xchan = '%s'",
+ dbsec($newx['xchan_hash']),
+ dbesc($oldx['xchan_hash'])
+ );
+
+ $r = q("update xlink set xlink_xchan = '%s' where xlink_xchan = '%s'",
+ dbsec($newx['xchan_hash']),
+ dbesc($oldx['xchan_hash'])
+ );
+
+ $r = q("update xprof set xprof_hash = '%s' where xprof_hash = '%s'",
+ dbsec($newx['xchan_hash']),
+ dbesc($oldx['xchan_hash'])
+ );
+
+ $r = q("update xtag set xtag_hash = '%s' where xtag_hash = '%s'",
+ dbsec($newx['xchan_hash']),
+ dbesc($oldx['xchan_hash'])
+ );
+
+ $r = q("select channel_id, channel_allow_cid, channel_deny_cid from channel where (channel_allow_cid like '%s' or channel_deny_cid like '%s') ",
+ dbesc($oldx['xchan_hash']),
+ dbesc($oldx['xchan_hash'])
+ );
+
+ if($r) {
+ foreach($r as $rv) {
+ $z = q("update channel set channel_allow_cid = '%s', channel_deny_cid = '%s' where channel_id = %d",
+ dbesc(str_replace('<' . $oldx['xchan_hash'] . '>', '<' . $newx['xchan_hash'] . '>', $rv['channel_allow_cid'])),
+ dbesc(str_replace('<' . $oldx['xchan_hash'] . '>', '<' . $newx['xchan_hash'] . '>', $rv['channel_deny_cid'])),
+ intval($rv['channel_id'])
+ );
+ }
+ }
+
+ $r = q("select id, allow_cid, deny_cid from attach where (allow_cid like '%s' or deny_cid like '%s') ",
+ dbesc($oldx['xchan_hash']),
+ dbesc($oldx['xchan_hash'])
+ );
+
+ if($r) {
+ foreach($r as $rv) {
+ $z = q("update attach set allow_cid = '%s', deny_cid = '%s' where id = %d",
+ dbesc(str_replace('<' . $oldx['xchan_hash'] . '>', '<' . $newx['xchan_hash'] . '>', $rv['allow_cid'])),
+ dbesc(str_replace('<' . $oldx['xchan_hash'] . '>', '<' . $newx['xchan_hash'] . '>', $rv['deny_cid'])),
+ intval($rv['id'])
+ );
+ }
+ }
+
+ $r = q("select cr_id, allow_cid, deny_cid from chatroom where (allow_cid like '%s' or deny_cid like '%s') ",
+ dbesc($oldx['xchan_hash']),
+ dbesc($oldx['xchan_hash'])
+ );
+
+ if($r) {
+ foreach($r as $rv) {
+ $z = q("update chatroom set allow_cid = '%s', deny_cid = '%s' where cr_id = %d",
+ dbesc(str_replace('<' . $oldx['xchan_hash'] . '>', '<' . $newx['xchan_hash'] . '>', $rv['allow_cid'])),
+ dbesc(str_replace('<' . $oldx['xchan_hash'] . '>', '<' . $newx['xchan_hash'] . '>', $rv['deny_cid'])),
+ intval($rv['cr_id'])
+ );
+ }
+ }
+
+
+ $r = q("select id, allow_cid, deny_cid from event where (allow_cid like '%s' or deny_cid like '%s') ",
+ dbesc($oldx['xchan_hash']),
+ dbesc($oldx['xchan_hash'])
+ );
+
+ if($r) {
+ foreach($r as $rv) {
+ $z = q("update event set allow_cid = '%s', deny_cid = '%s' where id = %d",
+ dbesc(str_replace('<' . $oldx['xchan_hash'] . '>', '<' . $newx['xchan_hash'] . '>', $rv['allow_cid'])),
+ dbesc(str_replace('<' . $oldx['xchan_hash'] . '>', '<' . $newx['xchan_hash'] . '>', $rv['deny_cid'])),
+ intval($rv['id'])
+ );
+ }
+ }
+
+
+ $r = q("select id, allow_cid, deny_cid from item where (allow_cid like '%s' or deny_cid like '%s') ",
+ dbesc($oldx['xchan_hash']),
+ dbesc($oldx['xchan_hash'])
+ );
+
+ if($r) {
+ foreach($r as $rv) {
+ $z = q("update item set allow_cid = '%s', deny_cid = '%s' where id = %d",
+ dbesc(str_replace('<' . $oldx['xchan_hash'] . '>', '<' . $newx['xchan_hash'] . '>', $rv['allow_cid'])),
+ dbesc(str_replace('<' . $oldx['xchan_hash'] . '>', '<' . $newx['xchan_hash'] . '>', $rv['deny_cid'])),
+ intval($rv['id'])
+ );
+ }
+ }
+
+
+ $r = q("select mitem_id, allow_cid, deny_cid from menu_item where (allow_cid like '%s' or deny_cid like '%s') ",
+ dbesc($oldx['xchan_hash']),
+ dbesc($oldx['xchan_hash'])
+ );
+
+ if($r) {
+ foreach($r as $rv) {
+ $z = q("update menu_item set allow_cid = '%s', deny_cid = '%s' where mitem_id = %d",
+ dbesc(str_replace('<' . $oldx['xchan_hash'] . '>', '<' . $newx['xchan_hash'] . '>', $rv['allow_cid'])),
+ dbesc(str_replace('<' . $oldx['xchan_hash'] . '>', '<' . $newx['xchan_hash'] . '>', $rv['deny_cid'])),
+ intval($rv['mitem_id'])
+ );
+ }
+ }
+
+
+
+ $r = q("select obj_id, allow_cid, deny_cid from obj where (allow_cid like '%s' or deny_cid like '%s') ",
+ dbesc($oldx['xchan_hash']),
+ dbesc($oldx['xchan_hash'])
+ );
+
+ if($r) {
+ foreach($r as $rv) {
+ $z = q("update obj set allow_cid = '%s', deny_cid = '%s' where obj_id = %d",
+ dbesc(str_replace('<' . $oldx['xchan_hash'] . '>', '<' . $newx['xchan_hash'] . '>', $rv['allow_cid'])),
+ dbesc(str_replace('<' . $oldx['xchan_hash'] . '>', '<' . $newx['xchan_hash'] . '>', $rv['deny_cid'])),
+ intval($rv['obj_id'])
+ );
+ }
+ }
+
+ $r = q("select id, allow_cid, deny_cid from photo where (allow_cid like '%s' or deny_cid like '%s') ",
+ dbesc($oldx['xchan_hash']),
+ dbesc($oldx['xchan_hash'])
+ );
+
+ if($r) {
+ foreach($r as $rv) {
+ $z = q("update photo set allow_cid = '%s', deny_cid = '%s' where id = %d",
+ dbesc(str_replace('<' . $oldx['xchan_hash'] . '>', '<' . $newx['xchan_hash'] . '>', $rv['allow_cid'])),
+ dbesc(str_replace('<' . $oldx['xchan_hash'] . '>', '<' . $newx['xchan_hash'] . '>', $rv['deny_cid'])),
+ intval($rv['id'])
+ );
+ }
+ }
+
+
+} \ No newline at end of file
diff --git a/include/zot.php b/include/zot.php
index 8bbc4a969..220292994 100644
--- a/include/zot.php
+++ b/include/zot.php
@@ -3757,6 +3757,50 @@ function zot_reply_message_request($data) {
json_return_and_die($ret);
}
+function zot_rekey_request($sender,$data) {
+
+ $ret = array('success' => false);
+
+ // newsig is newkey signed with oldkey
+
+ // The original xchan will remain. In Zot/Receiver we will have imported the new xchan and hubloc to verify
+ // the packet authenticity. What we will do now is verify that the keychange operation was signed by the
+ // oldkey, and if so change all the abook, abconfig, group, and permission elements which reference the
+ // old xchan_hash.
+
+ if((! $data['oldkey']) && (! $data['oldsig']) && (! $data['newkey']) && (! $data['newsig']))
+ json_return_and_die($ret);
+
+ $oldhash = make_xchan_hash($data['old_guid'],$data['old_guid_sig']);
+
+ $r = q("select * from xchan where xchan_hash = '%s' limit 1",
+ dbesc($oldhash)
+ );
+
+ if(! $r) {
+ json_return_and_die($ret);
+ }
+
+ $xchan = $r[0];
+
+ if(! rsa_verify($data['newkey'],base64url_decode($data['newsig']),$xchan['xchan_pubkey'])) {
+ json_return_and_die($ret);
+ }
+
+ $newhash = make_xchan_hash($sender['guid'],$sender['guid_sig']);
+
+ $r = q("select * from xchan where xchan_hash = '%s' limit 1",
+ dbesc($newhash)
+ );
+
+ $newxchan = $r[0];
+
+ xchan_change_key($xchan,$newxchan,$data);
+
+ $ret['success'] = true;
+ json_return_and_die($ret);
+}
+
function zotinfo($arr) {
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-12 07:28:44 +0000