From 1108eaaed0cf451668dcaf04bd532a3615724dbc Mon Sep 17 00:00:00 2001
From: friendica <info@friendica.com>
Date: Sat, 29 Mar 2014 21:53:50 -0700
Subject: source routing stuff

---
 include/items.php | 34 ++++++++++++++++++++++++++++++++++
 include/zot.php   |  3 +++
 2 files changed, 37 insertions(+)

diff --git a/include/items.php b/include/items.php
index dcf9f5bc2..71e89e1e2 100755
--- a/include/items.php
+++ b/include/items.php
@@ -81,6 +81,18 @@ function collect_recipients($item,&$private) {
 
 	$recipients = check_list_permissions($item['uid'],$recipients,'view_stream');
 
+	$routes = q("select * from route where iid = %d",
+		intval($item['id'])
+	);
+
+	if($routes) {
+		$route = explode(',',$routes[0]['route']);
+		if(count($route)) {
+			$route = array_unique($route);
+			$recipients = array_diff($recipients,$route);
+		}
+	}
+
 	// add ourself just in case we have nomadic clones that need to get a copy.
  
 	$recipients[] = $item['author_xchan'];
@@ -141,6 +153,28 @@ function can_comment_on_post($observer_xchan,$item) {
 }
 
 
+function add_source_route($iid,$hash) {
+	if((! $iid) || (! $route))
+		return;
+	$r = q("select * from route where iid = %d limit 1",
+		intval($iid)
+	);
+	if($r && $r[0]['route']) {
+		q("update route set route = '%s' where iid = %d limit 1",
+			dbesc(',' . $hash),
+			intval($iid)
+		);
+	}
+	else {
+		q("insert into route ( iid, route ) values ( %d, '%s') ",
+			intval($iid),
+			dbesc($route)
+		);
+	}
+}
+
+
+
 /**
  * @function red_zrl_callback
  *   preg_match function when fixing 'naked' links in mod item.php
diff --git a/include/zot.php b/include/zot.php
index b23c18bdb..48240d5aa 100644
--- a/include/zot.php
+++ b/include/zot.php
@@ -1452,6 +1452,7 @@ function process_delivery($sender,$arr,$deliveries,$relay,$public = false) {
 				}
 
 				$xyz = event_store($ev);
+				add_source_route($xyz,$sender['hash']);
 
 				$result = array($d['hash'],'event processed',$channel['channel_name'] . ' <' . $channel['channel_address'] . '@' . get_app()->get_hostname() . '>');
 				continue;
@@ -1476,6 +1477,8 @@ function process_delivery($sender,$arr,$deliveries,$relay,$public = false) {
 			$arr['uid'] = $channel['channel_id'];
 			$item_result = item_store($arr);
 			$item_id = $item_result['item_id'];
+			add_source_route($item_id,$sender['hash']);
+
 			$result[] = array($d['hash'],(($item_id) ? 'posted' : 'storage failed:' . $item_result['message']),$channel['channel_name'] . ' <' . $channel['channel_address'] . '@' . get_app()->get_hostname() . '>');
 		}
 
-- 
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