From 1e80f289727423d0d87ad95929663b5e79a430b3 Mon Sep 17 00:00:00 2001
From: XuShanQiXun <3401460572@qq.com>
Date: Sun, 22 Jun 2025 00:28:57 +0800
Subject: [PATCH] =?UTF-8?q?=E7=A7=BB=E9=99=A4=E8=B5=84=E6=BA=90=E5=AE=9A?=
=?UTF-8?q?=E4=B9=89=E5=B9=B6=E5=A2=9E=E5=BC=BA=E5=AE=A2=E6=88=B7=E7=AB=AF?=
=?UTF-8?q?=E5=A4=84=E7=90=86=E9=80=BB=E8=BE=91?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
在 `MainWindow.xaml` 中移除了 `TimeFormatConverter` 资源定义。
在 `Program.cs` 中添加了 `using System.Text;` 以支持字符串编码。
在 `OpenUser_db` 方法中移除了注释，保持逻辑不变。
在 `HandleClient` 方法中增加了对接收到的字节流的处理，检测 HTTP 请求并拒绝连接。
---
chatclient/MainWindow.xaml | 3 ---
chatserver/Program.cs | 15 ++++++++++++++-
2 files changed, 14 insertions(+), 4 deletions(-)
diff --git a/chatclient/MainWindow.xaml b/chatclient/MainWindow.xaml
index 144a7c0..a81236f 100644
--- a/chatclient/MainWindow.xaml
+++ b/chatclient/MainWindow.xaml
@@ -10,9 +10,6 @@
mc:Ignorable="d"
Title="ChatWindow" Height="450" Width="800" MinHeight="240" MinWidth="380"
Style="{StaticResource MaterialDesignWindow}" Closed="MainWindow_Closed" Loaded="MainWindow_Loaded">
-
-
-
diff --git a/chatserver/Program.cs b/chatserver/Program.cs
index 6ed120c..f83f425 100644
--- a/chatserver/Program.cs
+++ b/chatserver/Program.cs
@@ -9,6 +9,7 @@ using System.Text.Json;
using System.Reflection;
using static log4net.Appender.FileAppender;
using System.IO.Compression;
+using System.Text;
[assembly: XmlConfigurator(ConfigFile = "config/log4net.config", Watch = true)]
namespace chatserver
@@ -50,7 +51,7 @@ namespace chatserver
public static void OpenUser_db()
{
log.Info("正在打开数据库连接...");
- User_db = new SQLiteConnection("Data Source=ServerUser.db;Version=3;"); //没有数据库则自动创建
+ User_db = new SQLiteConnection("Data Source=ServerUser.db;Version=3;");
User_db.Open();
InitializeTable();
log.Info("数据库连接已打开");
@@ -59,6 +60,18 @@ namespace chatserver
{
const int prefixSize = sizeof(int);
byte[] prefixBuffer = new byte[prefixSize];
+ int received = socket.Receive(prefixBuffer, 0, 4, SocketFlags.Peek);
+ if (received == 4)
+ {
+ string httpStart = Encoding.ASCII.GetString(prefixBuffer);
+ if (httpStart.StartsWith("GET") || httpStart.StartsWith("POST") ||
+ httpStart.StartsWith("HEAD") || httpStart.StartsWith("HTTP"))
+ {
+ log.Warn("检测到HTTP请求，拒绝连接");
+ socket.Close();
+ return;
+ }
+ }
try
{
while (true)