start working on the singleton setting

doc/database/db_abook.bb

@@ -41,6 +41,7 @@
 [tr][td]abook_feed[/td][td]indicates this connection is an RSS/Atom feed and may trigger special handling.[/td][td]int(11)[/td][td]NO[/td][td]MUL[/td][td]0[/td][td]
 [tr][td]abook_incl[/td][td]connection filter allow rules separated by LF[/td][td]int(11)[/td][td]NO[/td][td]MUL[/td][td]0[/td][td]
 [tr][td]abook_excl[/td][td]connection filter deny rules separated by LF[/td][td]int(11)[/td][td]NO[/td][td]MUL[/td][td]0[/td][td]
+[tr][td]abook_instance[/td][td]comma separated list of site urls of all channel clones that this connection is connected with (used only for singleton networks which don't support cloning)[/td][td]text[/td][td]NO[/td][td]MUL[/td][td]0[/td][td]
 [/table]
 
 

include/follow.php

@@ -161,6 +161,7 @@ function new_contact($uid,$url,$channel,$interactive = false, $confirm = false)
 			}
 		}
 		if($r) {
+			$xchan = $r[0];
 			$xchan_hash = $r[0]['xchan_hash'];
 			$their_perms = 0;
 		}
@@ -172,7 +173,7 @@ function new_contact($uid,$url,$channel,$interactive = false, $confirm = false)
 		return $result;
 	}
 
-	$x = array('channel_id' => $uid, 'follow_address' => $url, 'xchan' => $r[0], 'allowed' => 1);
+	$x = array('channel_id' => $uid, 'follow_address' => $url, 'xchan' => $r[0], 'allowed' => 1, 'singleton' => 0);
 
 	call_hooks('follow_allow',$x);
 
@@ -180,7 +181,7 @@ function new_contact($uid,$url,$channel,$interactive = false, $confirm = false)
 		$result['message'] = t('Protocol disabled.');
 		return $result;
 	}
-
+	$singleton = intval($x['singleton']);
 
 	if((local_channel()) && $uid == local_channel()) {
 		$aid = get_account_id();
@@ -221,13 +222,22 @@ function new_contact($uid,$url,$channel,$interactive = false, $confirm = false)
 		return $result;
 	}
 
-	$r = q("select abook_xchan from abook where abook_xchan = '%s' and abook_channel = %d limit 1",
+	$r = q("select abook_xchan, abook_instance from abook where abook_xchan = '%s' and abook_channel = %d limit 1",
 		dbesc($xchan_hash),
 		intval($uid)
 	);
 	if($r) {
-		$x = q("update abook set abook_their_perms = %d where abook_id = %d",
+		$abook_instance = $r[0]['abook_instance'];
+
+		if(($singleton) && strpos($abook_instance,z_root()) === false) {
+			if($abook_instance)
+				$abook_instance .= ',';
+			$abook_instance .= z_root();
+		}
+
+		$x = q("update abook set abook_their_perms = %d, abook_instance = '%s' where abook_id = %d",
 			intval($their_perms),
+			dbesc($abook_instance),
 			intval($r[0]['abook_id'])
 		);		
 	}
@@ -237,8 +247,8 @@ function new_contact($uid,$url,$channel,$interactive = false, $confirm = false)
 		if($closeness === false)
 			$closeness = 80;
 
-		$r = q("insert into abook ( abook_account, abook_channel, abook_closeness, abook_xchan, abook_feed, abook_their_perms, abook_my_perms, abook_created, abook_updated )
+		$r = q("insert into abook ( abook_account, abook_channel, abook_closeness, abook_xchan, abook_feed, abook_their_perms, abook_my_perms, abook_created, abook_updated, abook_instance )
-			values( %d, %d, %d, '%s', %d, %d, %d, '%s', '%s' ) ",
+			values( %d, %d, %d, '%s', %d, %d, %d, '%s', '%s', '%s' ) ",
 			intval($aid),
 			intval($uid),
 			intval($closeness),
@@ -247,7 +257,8 @@ function new_contact($uid,$url,$channel,$interactive = false, $confirm = false)
 			intval(($is_http) ? $their_perms|PERMS_R_STREAM|PERMS_A_REPUBLISH : $their_perms),
 			intval($my_perms),
 			dbesc(datetime_convert()),
-			dbesc(datetime_convert())
+			dbesc(datetime_convert()),
+			dbesc(($singleton) ? z_root() : '')
 		);
 	}
 

include/network.php

@@ -1883,3 +1883,16 @@ function check_channelallowed($hash) {
 	return $retvalue;
 }
 
+function deliverable_singleton($xchan) {
+	$r = q("select abook_instance from abook where abook_xchan = '%s' limit 1",
+		dbesc($xchan['xchan_hash'])
+	);
+	if($r) {
+		if(! $r[0]['abook_instance'])
+			return true;
+		if(strpos($r[0]['abook_instance'],z_root()) !== false)
+			return true;
+	}
+	return false;
+}
+

include/notifier.php

@@ -57,6 +57,8 @@ require_once('include/html2plain.php');
  *       purge_all              channel_id
  *       expire                 channel_id
  *       relay					item_id (item was relayed to owner, we will deliver it as owner)
+ *       single_activity        item_id (deliver to a singleton network from the appropriate clone)
+ *       single_mail            mail_id (deliver to a singleton network from the appropriate clone)
  *       location               channel_id
  *       request                channel_id            xchan_hash             message_id
  *       rating                 xlink_id

include/zot.php

@@ -3798,6 +3798,7 @@ function zotinfo($arr) {
 	$ret['site'] = array();
 	$ret['site']['url'] = z_root();
 	$ret['site']['url_sig'] = base64url_encode(rsa_sign(z_root(),$e['channel_prvkey']));
+	$ret['site']['zot_auth'] = z_root() . '/magic';
 
 	$dirmode = get_config('system','directory_mode');
 	if(($dirmode === false) || ($dirmode == DIRECTORY_MODE_NORMAL))