From d4088ba6a9c99baabeaba208a7416bede525172a Mon Sep 17 00:00:00 2001
From: delthas <delthas@f0ae65fe-ee39-954e-97ec-027ff2717ef4>
Date: Wed, 27 May 2020 21:45:13 +0000
Subject: [PATCH] Add support for upstream ban, invite, and exception lists

This does not try to marshal nicks in masks, for simplicity and
consistency with the current behaviour of marshaling MODE messages.

git-svn-id: file:///srv/svn/repo/suika/trunk@300 f0ae65fe-ee39-954e-97ec-027ff2717ef4
---
 upstream.go | 42 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)

diff --git a/upstream.go b/upstream.go
index 61d7297..0681518 100644
--- a/upstream.go
+++ b/upstream.go
@@ -1229,6 +1229,48 @@ func (uc *upstreamConn) handleMessage(msg *irc.Message) error {
 				Params:  msg.Params,
 			})
 		})
+	case irc.RPL_BANLIST, irc.RPL_INVITELIST, irc.RPL_EXCEPTLIST:
+		var channel, mask string
+		if err := parseMessageParams(msg, nil, &channel, &mask); err != nil {
+			return err
+		}
+		var addNick, addTime string
+		if len(msg.Params) >= 5 {
+			addNick = msg.Params[3]
+			addTime = msg.Params[4]
+		}
+
+		uc.forEachDownstreamByID(downstreamID, func(dc *downstreamConn) {
+			channel := dc.marshalEntity(uc.network, channel)
+
+			var params []string
+			if addNick != "" && addTime != "" {
+				addNick := dc.marshalEntity(uc.network, addNick)
+				params = []string{dc.nick, channel, mask, addNick, addTime}
+			} else {
+				params = []string{dc.nick, channel, mask}
+			}
+
+			dc.SendMessage(&irc.Message{
+				Prefix:  dc.srv.prefix(),
+				Command: msg.Command,
+				Params:  params,
+			})
+		})
+	case irc.RPL_ENDOFBANLIST, irc.RPL_ENDOFINVITELIST, irc.RPL_ENDOFEXCEPTLIST:
+		var channel, trailing string
+		if err := parseMessageParams(msg, nil, &channel, &trailing); err != nil {
+			return err
+		}
+
+		uc.forEachDownstreamByID(downstreamID, func(dc *downstreamConn) {
+			upstreamChannel := dc.marshalEntity(uc.network, channel)
+			dc.SendMessage(&irc.Message{
+				Prefix:  dc.srv.prefix(),
+				Command: msg.Command,
+				Params:  []string{dc.nick, upstreamChannel, trailing},
+			})
+		})
 	case "TAGMSG":
 		// TODO: relay to downstream connections that accept message-tags
 	case "ACK":