fix bug

1.优化解密的内存开销，同时修复大于2gb文件解密出错的问题。
2.现在起工作区加载联系人也开始为异步操作了。
3.现在起工作区查看聊天记录改为分页查看了。
4.保底版本支持3.9.8.25。

Export/ExportInterface.cs

@@ -11,7 +11,7 @@ namespace WechatBakTool.Export
     public interface IExport
     {
         void InitTemplate(WXContact session,string path);
-        bool SetMsg(WXUserReader reader, WXContact session, WorkspaceViewModel viewModel);
+        void SetMsg(WXUserReader reader, WXContact session, WorkspaceViewModel viewModel);
         void SetEnd();
         void Save(string path = "");
     }

Export/HtmlExport.cs

@@ -28,6 +28,7 @@ namespace WechatBakTool.Export
 
             HtmlBody += string.Format("<div class=\"msg\"><p class=\"nickname\"><b>与 {0}({1}) 的聊天记录</b></p>", Session.NickName, Session.UserName);
             HtmlBody += string.Format("<div class=\"msg\"><p class=\"nickname\"><b>导出时间：{0}</b></p><hr/>", DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"));
+            File.WriteAllText(Path, HtmlBody);
         }
 
         public void InitTemplate(WXContact contact, string p)
@@ -50,7 +51,7 @@ namespace WechatBakTool.Export
             File.AppendAllText(Path, HtmlBody);
         }
 
-        public bool SetMsg(WXUserReader reader, WXContact contact,WorkspaceViewModel viewModel)
+        public void SetMsg(WXUserReader reader, WXContact contact,WorkspaceViewModel viewModel)
         {
             if (Session == null)
                 throw new Exception("请初始化模版：Not Use InitTemplate");
@@ -59,16 +60,11 @@ namespace WechatBakTool.Export
             if (msgList == null)
                 throw new Exception("获取消息失败，请确认数据库读取正常");
 
-            if(msgList.Count == 0)
-            {
-                viewModel.ExportCount = "没有消息，忽略";
-                return false;
-            }
             msgList.Sort((x, y) => x.CreateTime.CompareTo(y.CreateTime));
 
             bool err = false;
             int msgCount = 0;
-
+            HtmlBody = "";
             StreamWriter streamWriter = new StreamWriter(Path, true);
             foreach (var msg in msgList)
             {
@@ -344,7 +340,7 @@ namespace WechatBakTool.Export
             }
             streamWriter.Close();
             streamWriter.Dispose();
-            return true;
+                
         }
         private static DateTime TimeStampToDateTime(long timeStamp, bool inMilli = false)
         {

Export/TXTExport.cs

@@ -40,7 +40,7 @@ namespace WechatBakTool.Export
             
         }
 
-        public bool SetMsg(WXUserReader reader, WXContact session, WorkspaceViewModel viewModel)
+        public void SetMsg(WXUserReader reader, WXContact session, WorkspaceViewModel viewModel)
         {
             if (Contact == null)
                 throw new Exception("请初始化模版：Not Use InitTemplate");
@@ -146,7 +146,6 @@ namespace WechatBakTool.Export
                 msgCount++;
                 viewModel.ExportCount = msgCount.ToString();
             }
-            return true;
         }
 
         private static DateTime TimeStampToDateTime(long timeStamp, bool inMilli = false)

Helpers/DecryptionHelper.cs

@@ -136,24 +136,9 @@ namespace WechatBakTool.Helpers
                     throw new Exception("搜索不到微信账号，请确认用户名是否正确，如错误请重新新建工作区，务必确认账号是否正确");
                 }
             }
-            else if (find_key_type == 3)
-            {
-                string searchString = "-----BEGIN PUBLIC KEY-----";
-            }
             return null;
         }
-        public static string GetMD5(string text)
-        {
-            MD5 md5 = MD5.Create();
-            byte[] bs = Encoding.UTF8.GetBytes(text);
-            byte[] hs = md5.ComputeHash(bs);
-            StringBuilder sb = new StringBuilder();
-            foreach(byte b in hs)
-            {
-                sb.Append(b.ToString("x2"));
-            }
-            return sb.ToString();
-        }
+
         public static void DecryptDB(string file, string to_file, byte[] password_bytes)
         {
             //数据库头16字节是盐值
@@ -203,6 +188,7 @@ namespace WechatBakTool.Helpers
 
                         // 分页标志
                         var page_bytes = BitConverter.GetBytes(page_no + 1);
+                        page_bytes = page_bytes.Take(4).ToArray();
                         page_bytes.CopyTo(going_to_hashed, DEFAULT_PAGESIZE - reserved - offset + IV_SIZE);
                         var hash_mac_compute = hmac_sha1.ComputeHash(going_to_hashed, 0, going_to_hashed.Length);
 
@@ -241,7 +227,7 @@ namespace WechatBakTool.Helpers
                             byte[] reserved_byte = new byte[reserved];
                             fileStream.Seek((page_no * DEFAULT_PAGESIZE) + DEFAULT_PAGESIZE - reserved, SeekOrigin.Begin);
                             fileStream.Read(reserved_byte, 0, Convert.ToInt32(reserved));
-                            reserved_byte.CopyTo(decryped_page_bytes, DEFAULT_PAGESIZE - reserved);
+                            reserved_byte.CopyTo(decryped_page_bytes, Convert.ToInt32(DEFAULT_PAGESIZE - reserved));
 
                             tofileStream.Write(decryped_page_bytes, 0, decryped_page_bytes.Length);
 

Pages/CreateWork.xaml.cs

@@ -156,13 +156,7 @@ namespace WechatBakTool.Pages
             {
                 if (File.Exists("auth.txt"))
                 {
-                    string auth = File.ReadAllText("auth.txt");
-                    // 我已知晓手动模式可能潜在的法律及道德风险，我明白非法使用将要承担相关法律责任。
-                    if (DecryptionHelper.GetMD5(auth) == "295f634af60d61dfa52a5f35849ac42b")
-                    {
-                        MessageBox.Show("已经创建空的配置文件，请完善该配置文件后，点击开始解密","提示");
-                        MessageBox.Show("该功能现阶段暂未启用","错误");
-                    }
+
                 }
                 else
                 {

Pages/Manager.xaml.cs

@@ -6,7 +6,6 @@ using System.IO;
 using System.Linq;
 using System.Net.Http;
 using System.Text;
-using System.Text.RegularExpressions;
 using System.Threading;
 using System.Threading.Tasks;
 using System.Windows;
@@ -31,8 +30,6 @@ namespace WechatBakTool.Pages
     {
         private WorkspaceViewModel workspaceViewModel = new WorkspaceViewModel();
         public WXUserReader? UserReader;
-        private List<WXContact>? ExpContacts;
-        private bool Suspend = false;
         public Manager()
         {
             DataContext = workspaceViewModel;
@@ -64,25 +61,15 @@ namespace WechatBakTool.Pages
                 });
                 if (UserReader != null)
                 {
-                    if (!Suspend)
-                        ExpContacts = UserReader.GetWXContacts().ToList();
-                    else
-                        Suspend = false;
-
-                    foreach (var contact in ExpContacts!)
+                    List<WXContact>? contacts = UserReader.GetWXContacts().ToList();
+                    foreach (var contact in contacts)
                     {
-                        if (Suspend)
-                        {
-                            workspaceViewModel.ExportCount = "已暂停";
-                            return;
-                        }
-                            
                         if (group && contact.UserName.Contains("@chatroom"))
                         {
                             workspaceViewModel.WXContact = contact;
                             ExportMsg(contact);
                         }
-                        if (user && !contact.UserName.Contains("@chatroom") && !contact.UserName.Contains("gh_"))
+                        if (user)
                         {
                             workspaceViewModel.WXContact = contact;
                             ExportMsg(contact);
@@ -96,27 +83,12 @@ namespace WechatBakTool.Pages
         private void ExportMsg(WXContact contact)
         {
             workspaceViewModel.ExportCount = "";
-            // string path = Path.Combine(Main2.CurrentUserBakConfig!.UserWorkspacePath, contact.UserName + ".html");
-            string name = contact.NickName;
-            name = name.Replace(@"\", "");
-            name = Regex.Replace(name, "[ \\[ \\] \\^ \\-_*×――(^)$%~!/@#$…&%￥—+=<>《》|!！??？:：•`·、。，；,.;\"‘’“”-]", "");
-            string path = Path.Combine(
-                Main2.CurrentUserBakConfig!.UserWorkspacePath,
-                string.Format(
-                    "{0}-{1}.html",
-                    contact.UserName,
-                    contact.Remark == "" ? name : contact.Remark
-                )
-            );
-
+            string path = Path.Combine(Main2.CurrentUserBakConfig!.UserWorkspacePath, contact.UserName + ".html");
             IExport export = new HtmlExport();
             export.InitTemplate(contact, path);
-            if(export.SetMsg(UserReader!, contact, workspaceViewModel))
-            {
-                export.SetEnd();
-                export.Save(path);
-            }
-            
+            export.SetMsg(UserReader!, contact, workspaceViewModel);
+            export.SetEnd();
+            export.Save(path);
         }
 
         private void btn_emoji_download_Click(object sender, RoutedEventArgs e)

Pages/Workspace.xaml.cs

@@ -328,6 +328,61 @@ namespace WechatBakTool.Pages
                     MessageBox.Show("用户所有表情预下载完毕");
                 });
             }
+            /*
+            if (UserReader != null && ViewModel.WXContact != null)
+            {
+                Task.Run(() =>
+                {
+                    List<WXMsg> msgs = UserReader.GetWXMsgs(ViewModel.WXContact.UserName).ToList();
+                    List<WXContactHT> users = new List<WXContactHT>();
+                    if (File.Exists("WXContact.json"))
+                    {
+                        string text = File.ReadAllText("WXContact.json");
+                        text = text.Substring(8, text.Length - 8);
+                        users = JsonConvert.DeserializeObject<List<WXContactHT>>(text);
+                    }
+
+                    int i = 1; int all = 1;
+                    List<WXMsg> tmp = new List<WXMsg>();
+                    foreach (WXMsg m in msgs)
+                    {
+                        m.BytesExtra = null;
+                        tmp.Add(m);
+                        if (all % 10000 == 0)
+                        {
+                            File.WriteAllText(ViewModel.WXContact.UserName + "-" + i.ToString() + ".json", string.Format("showMsg({0})", JsonConvert.SerializeObject(tmp)));
+                            tmp.Clear();
+                            i++;
+                        }
+                        all++;
+                    }
+
+                    if (users!.Find(x => x.UserName == ViewModel.WXContact.UserName) == null)
+                    {
+                        WXContactHT html = new WXContactHT();
+                        html.NickName = ViewModel.WXContact.NickName;
+                        html.UserName = ViewModel.WXContact.UserName;
+                        html.LastMsg = ViewModel.WXContact.LastMsg;
+                        if (ViewModel.WXContact.Avatar != null)
+                        {
+                            using (var ms = new MemoryStream())
+                            {
+                                ViewModel.WXContact.Avatar.StreamSource.CopyTo(ms);
+                                byte[] bytes = new byte[ms.Length];
+                                ms.Write(bytes, 0, bytes.Length);
+                                html.AvatarString = Convert.ToBase64String(bytes);
+                            }
+                        }
+                        html.FileCount = i;
+                        users.Add(html);
+                    }
+
+                    File.WriteAllText(ViewModel.WXContact.UserName + "-" + i.ToString() + ".json", string.Format("showMsg({0})", JsonConvert.SerializeObject(tmp)));
+                    File.WriteAllText("WXContact.json", string.Format("getUser({0})", JsonConvert.SerializeObject(users)));
+                    MessageBox.Show("json已导出");
+                });
+            }
+            */
         }
 
         private void list_msg_ScrollChanged(object sender, ScrollChangedEventArgs e)

README.md

@@ -22,7 +22,6 @@
 > [!NOTE]
 > 反馈群：815054692<br/>
 > 如果觉得不错，欢迎右上角点个star！这是对作者的鼓励，谢谢！<br/>
-> 进群请先Star项目，然后问答消息留id<br/>
 <br/>
 
 ### 免责声明
@@ -74,7 +73,7 @@ A：基本上都是因为刚迁移完，缓存没写入到数据库导致的，
 ### 参考/引用
 项目在开发过程中参考了以下项目或资料，有引用相关代码，如有需要，推荐您可以去参考下相关资料：
 
-1. C#使用OpenSSL解密微信数据库，这里注意一下64位适配问题，注意dll引用，另外解密的资源优化不是很好，可以参考一下我改写的，C#还需要注意一下超大文件的问题： [Mr0x01/WXDBDecrypt.NET](https://github.com/Mr0x01/WXDBDecrypt.NET)<br/>
+1. C#使用OpenSSL解密微信数据库，这里注意一下64位适配问题，注意dll引用： [Mr0x01/WXDBDecrypt.NET](https://github.com/Mr0x01/WXDBDecrypt.NET)<br/>
 2. C#使用地址获取微信Key： [AdminTest0/SharpWxDump](https://github.com/AdminTest0/SharpWxDump)
 3. 解密微信语音，我是直接调用解密，反正都要ffmpeg，多一个也是多，多两个也是多，懒得头铁实现： [kn007/silk-v3-decoder](https://github.com/kn007/silk-v3-decoder)
 4. 解密微信图片 [吾爱破解chenhahacjl/微信 DAT 图片解密 （C#）](https://www.52pojie.cn/forum.php?mod=viewthread&tid=1507922)

WechatBakTool.csproj

@@ -6,9 +6,9 @@
     <Nullable>enable</Nullable>
     <UseWPF>true</UseWPF>
     <AllowUnsafeBlocks>True</AllowUnsafeBlocks>
-    <AssemblyVersion>0.9.6.4</AssemblyVersion>
-    <FileVersion>0.9.6.4</FileVersion>
-    <Version>0.9.6.4</Version>
+    <AssemblyVersion>0.9.7.0</AssemblyVersion>
+    <FileVersion>0.9.7.0</FileVersion>
+    <Version>0.9.7.0</Version>
   </PropertyGroup>
 
   <ItemGroup>