From 3d95fcb7cd37c6bff03f76e20b0d2eeb785616da Mon Sep 17 00:00:00 2001
From: friendica <info@friendica.com>
Date: Thu, 25 Jul 2013 16:00:04 -0700
Subject: more work on clone sync

---
 include/zot.php | 101 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 101 insertions(+)

(limited to 'include/zot.php')

diff --git a/include/zot.php b/include/zot.php
index 609107936..277e38c7a 100644
--- a/include/zot.php
+++ b/include/zot.php
@@ -1492,3 +1492,104 @@ function import_site($arr,$pubkey) {
 
 
 
+/**
+ * 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();
+
+	logger('build_sync_packet');
+	if(! $uid)
+		$uid = local_user();
+
+	if(! $uid)
+		return;
+
+	$channel = $a->get_channel();
+
+	$h = q("select * from hubloc where hubloc_hash = '%s'",
+		dbesc($channel['channel_hash'])
+	);
+
+	if(! $h)
+		return;
+
+	$synchubs = array();
+
+	foreach($h as $x) {
+		if($x['hubloc_host'] == $a->get_hostname())
+			continue;
+		$synchubs[] = $x;
+	}
+
+	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());
+	$info['type'] = 'channel_sync';
+
+	if(array_key_exists($uid,$a->config) && array_key_exists('transient',$a->config[$uid])) {
+		$settings = $a->config[$uid]['transient'];
+		if($settings) {
+			$info['config'] = $settings;
+		}
+	}
+	
+	if($channel) {
+		$info['channel'] = array();
+		foreach($channel as $k => $v) {
+
+			// filter out any joined tables like xchan
+
+			if(strpos($k,'channel_') !== 0)
+				continue;
+
+			// 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;
+		}
+	}
+
+	$interval = ((get_config('system','delivery_interval') !== false) 
+			? intval(get_config('system','delivery_interval')) : 2 );
+
+
+	foreach($synchubs as $hub) {
+		$hash = random_string();
+		$n = zot_build_packet($channel,'notify',$env_recips,$hub['hubloc_sitekey'],$hash);
+		q("insert into outq ( outq_hash, outq_account, outq_channel, outq_posturl, outq_async, outq_created, outq_updated, outq_notify, outq_msg ) values ( '%s', %d, %d, '%s', %d, '%s', '%s', '%s', '%s' )",
+			dbesc($hash),
+			intval($channel['channel_account']),
+			intval($channel['channel_id']),
+			dbesc($hub['hubloc_callback']),
+			intval(1),
+			dbesc(datetime_convert()),
+			dbesc(datetime_convert()),
+			dbesc($n),
+			dbesc(json_encode($info))
+		);
+
+		proc_run('php','include/deliver.php',$hash);
+		if($interval)
+			@time_sleep_until(microtime(true) + (float) $interval);
+	}
+
+
+}
-- 
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