From 6c55e44f4cc0950144269f244fdf3baed5be4e49 Mon Sep 17 00:00:00 2001
From: zotlabs <mike@macgirvin.com>
Date: Thu, 10 Aug 2017 12:49:20 -0700
Subject: when following, allow [network]follow_address syntax to connect with
 a specific network for multi-protocol services

---
 include/follow.php  | 21 +++++++++++++++++----
 include/network.php |  6 +++---
 2 files changed, 20 insertions(+), 7 deletions(-)

(limited to 'include')

diff --git a/include/follow.php b/include/follow.php
index 9e2fd6a9c..130f8b06b 100644
--- a/include/follow.php
+++ b/include/follow.php
@@ -17,6 +17,17 @@ function new_contact($uid,$url,$channel,$interactive = false, $confirm = false)
 
 	$my_perms = false;
 	$is_zot   = false;
+	$protocol = '';
+
+	
+	if(substr($url,0,1) === '[') {
+		$x = strpos($url,']');
+		if($x) {
+			$protocol = substr($url,1,$x-1);
+			$url = substr($url,$x+1);
+		}
+	}
+
 	$is_http  = ((strpos($url,'://') !== false) ? true : false);
 
 	if($is_http && substr($url,-1,1) === '/')
@@ -47,13 +58,13 @@ function new_contact($uid,$url,$channel,$interactive = false, $confirm = false)
 	}
 
 
-	$arr = array('url' => $url, 'channel' => array());
+	$arr = array('url' => $url, 'protocol', 'channel' => array());
 
 	call_hooks('follow_init', $arr);
 
 	if($arr['channel']['success']) 
 		$ret = $arr['channel'];
-	elseif(! $is_http)
+	elseif((! $is_http) && ((! $protocol) || (strtolower($protocol) === 'zot')))
 		$ret = Zotlabs\Zot\Finger::run($url,$channel);
 
 	if($ret && is_array($ret) && $ret['success']) {
@@ -118,8 +129,10 @@ function new_contact($uid,$url,$channel,$interactive = false, $confirm = false)
 	else {
 
 		$xchan_hash = '';
+		$sql_options = (($protocol) ? " and xchan_network = '" . dbesc($protocol) . "' " : '');
+		
 
-		$r = q("select * from xchan where xchan_hash = '%s' or xchan_url = '%s' limit 1",
+		$r = q("select * from xchan where xchan_hash = '%s' or xchan_url = '%s' $sql_options limit 1",
 			dbesc($url),
 			dbesc($url)
 		);
@@ -127,7 +140,7 @@ function new_contact($uid,$url,$channel,$interactive = false, $confirm = false)
 		if(! $r) {
 			// attempt network auto-discovery
 
-			$d = discover_by_webbie($url);
+			$d = discover_by_webbie($url,$protocol);
 
 			if((! $d) && ($is_http)) {
 
diff --git a/include/network.php b/include/network.php
index cd6e980ff..96f4416c8 100644
--- a/include/network.php
+++ b/include/network.php
@@ -1137,7 +1137,7 @@ function discover_by_url($url, $arr = null) {
 	return true;
 }
 
-function discover_by_webbie($webbie) {
+function discover_by_webbie($webbie,$protocol = '') {
 
 	$result   = [];
 
@@ -1153,7 +1153,7 @@ function discover_by_webbie($webbie) {
 				// If we discover zot - don't search further; grab the info and get out of
 				// here.
 
-				if($link['rel'] === PROTOCOL_ZOT) {
+				if($link['rel'] === PROTOCOL_ZOT && ((! $protocol) || (strtolower($protocol) === 'zot'))) {
 					logger('discover_by_webbie: zot found for ' . $webbie, LOGGER_DEBUG);
 					if(array_key_exists('zot',$x) && $x['zot']['success']) {
 						$i = import_xchan($x['zot']);
@@ -1174,7 +1174,7 @@ function discover_by_webbie($webbie) {
 
 	logger('webfinger: ' . print_r($x,true), LOGGER_DATA, LOG_INFO);
 
-	$arr = array('address' => $webbie, 'success' => false, 'webfinger' => $x);
+	$arr = array('address' => $webbie, 'protocol' => $protocol, 'success' => false, 'webfinger' => $x);
 	call_hooks('discover_channel_webfinger', $arr);
 	if($arr['success'])
 		return true;
-- 
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