From b9466941e77eea806539ea56b6b625d354968f4c Mon Sep 17 00:00:00 2001
From: friendica <info@friendica.com>
Date: Wed, 26 Jun 2013 17:31:02 -0700
Subject: more work on channel sync

---
 include/settings.php | 33 +++++++++++++++++++++++++++------
 1 file changed, 27 insertions(+), 6 deletions(-)

(limited to 'include/settings.php')

diff --git a/include/settings.php b/include/settings.php
index 94cb6f65b..e53cfedfa 100644
--- a/include/settings.php
+++ b/include/settings.php
@@ -1,9 +1,17 @@
 <?php /** @file */
 
-function build_sync_packet($packet = null) {
+/**
+ * Send a zot packet to all hubs where this channel is duplicated, refreshing
+ * such things as personal settings, channel permissions, address book updates, etc.
+ */
+
+
+function build_sync_packet($uid = 0, $packet = null) {
 	$a = get_app();
 
-	$uid = local_user();
+	if(! $uid)
+		$uid = local_user();
+
 	if(! $uid)
 		return;
 
@@ -27,6 +35,15 @@ function build_sync_packet($packet = null) {
 	if(! $synchubs)
 		return;
 
+	$r = q("select xchan_guid, xchan_guid_sig from xchan where xchan_hash  = '%s' limit 1",
+		dbesc($channel['channel_hash'])
+	);
+	if(! $r)
+		return;
+
+	$env_recips = array();
+	$env_recips[] = array('guid' => $r[0]['xchan_guid'],'guid_sig' => $r[0]['xchan_guid_sig']);
+
 	$info = (($packet) ? $packet : array());
 
 	if(array_key_exists($uid,$a->config) && array_key_exists('transient',$a->config[$uid])) {
@@ -41,10 +58,14 @@ function build_sync_packet($packet = null) {
 		foreach($channel as $k => $v) {
 			if(strpos('channel_',$k) !== 0)
 				continue;
-			if($k === 'channel_id')
-				continue;
-			if($k === 'channel_account_id')
+
+			// don't pass these elements, they should not be synchronised
+
+			$disallowed = array('channel_id','channel_account_id','channel_primary','channel_prvkey');
+
+			if(in_array($k,$disallowed))
 				continue;
+
 			$info['channel'][$k] = $v;
 		}
 	}
@@ -55,7 +76,7 @@ function build_sync_packet($packet = null) {
 
 	foreach($synchubs as $hub) {
 		$hash = random_string();
-		$n = zot_build_packet($channel,'channel_sync');
+		$n = zot_build_packet($channel,'channel_sync',$env_recips,$hub['hubloc_sitekey'],null,$hash);
 		q("insert into outq ( outq_hash, outq_account, outq_channel, outq_posturl, outq_async, outq_created, outq_updated, outq_notify, outq_msg ) values ( '%s', %d, %d, '%s', %d, '%s', '%s', '%s', '%s' )",
 			dbesc($hash),
 			intval($channel['channel_account']),
-- 
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