From c5628d613b2d35058eae91d2cbcf4d6df8a040ed Mon Sep 17 00:00:00 2001
From: "heavyrain.lee" <heavyrain.lee@gmail.com>
Date: Tue, 9 Jul 2019 23:22:25 +0800
Subject: [PATCH] =?UTF-8?q?=E5=8F=91=E9=80=81=E6=B6=88=E6=81=AF=E6=97=B6?=
 =?UTF-8?q?=EF=BC=8C=E4=B8=8D=E8=83=BD=E5=8F=91=E9=80=81=E7=89=B9=E6=AE=8A?=
 =?UTF-8?q?=E7=B1=BB=E5=9E=8B=E7=9A=84=E6=B6=88=E6=81=AF?=
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Content-Type: text/plain; charset=UTF-8
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---
 .../main/java/io/moquette/imhandler/SendMessageHandler.java   | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/broker/src/main/java/io/moquette/imhandler/SendMessageHandler.java b/broker/src/main/java/io/moquette/imhandler/SendMessageHandler.java
index a327f374..2e7224c7 100644
--- a/broker/src/main/java/io/moquette/imhandler/SendMessageHandler.java
+++ b/broker/src/main/java/io/moquette/imhandler/SendMessageHandler.java
@@ -46,6 +46,10 @@ public class SendMessageHandler extends IMHandler<WFCMessage.Message> {
         ErrorCode errorCode = ErrorCode.ERROR_CODE_SUCCESS;
         if (message != null) {
             if (!isAdmin) {  //admin do not check the right
+                // 不能在端上直接发送撤回和群通知
+                if (message.getContent().getType() == 80 || (message.getContent().getType() >= 100 && message.getContent().getType() < 200)) {
+                    return ErrorCode.INVALID_PARAMETER;
+                }
                 int userStatus = m_messagesStore.getUserStatus(fromUser);
                 if (userStatus == 1 || userStatus == 2) {
                     return ErrorCode.ERROR_CODE_FORBIDDEN_SEND_MSG;