From a4e9ed91439b3a8f079cf364c11c38fd1db73022 Mon Sep 17 00:00:00 2001
From: MscBaiMeow <baishu2003@outlook.com>
Date: Mon, 14 Jun 2021 21:06:21 +0800
Subject: [PATCH] handle login plugins requeset

---
 bot/client.go |  4 ++--
 bot/mcbot.go  | 23 ++++++++++++++++++++++-
 2 files changed, 24 insertions(+), 3 deletions(-)

diff --git a/bot/client.go b/bot/client.go
index 71bbd7e..58a4d50 100644
--- a/bot/client.go
+++ b/bot/client.go
@@ -13,8 +13,8 @@ type Client struct {
 	Name string
 	UUID uuid.UUID
 
-	Events Events
-	//TODO: LoginEvents Events
+	Events      Events
+	LoginPlugin map[string]func(data []byte) ([]byte, error)
 }
 
 func (c *Client) Close() error {
diff --git a/bot/mcbot.go b/bot/mcbot.go
index 1e3551f..4ce8a4c 100644
--- a/bot/mcbot.go
+++ b/bot/mcbot.go
@@ -142,7 +142,28 @@ func (c *Client) join(d *net.Dialer, addr string) error {
 			c.Conn.SetThreshold(int(threshold))
 
 		case packetid.LoginPluginRequest: //Login Plugin Request
-			// TODO: Handle login plugin request
+			var (
+				msgid   pk.VarInt
+				channel pk.Identifier
+				data    pk.ByteArray
+			)
+			if err := p.Scan(&msgid, &channel, &data); err != nil {
+				return LoginErr{"Login Plugin", err}
+			}
+			if handler, ok := c.LoginPlugin[string(channel)]; ok {
+				respdata, err := handler([]byte(data))
+				if err != nil {
+					return LoginErr{"Login Plugin", err}
+				}
+				if err := c.Conn.WritePacket(pk.Marshal(packetid.LoginPluginResponse, msgid, pk.Boolean(true), pk.ByteArray(respdata))); err != nil {
+					return LoginErr{"login Plugin", err}
+				}
+			} else {
+				if err := c.Conn.WritePacket(pk.Marshal(packetid.LoginPluginResponse, msgid, pk.Boolean(false))); err != nil {
+					return LoginErr{"login Plugin", err}
+				}
+			}
+			return nil
 		}
 	}
 }