private void buttonRegister_Click(object sender, EventArgs e)
{
try
{
textBoxUserName.Text = textBoxUserName.Text.Trim();
if (textBoxUserName.Text == "")
{
throw new Exception("请输入用户名");
}
if (textBoxPassword.Text == "")
{
throw new Exception("请输入密码");
}
if (textBoxVerbPasswrod.Text == "")
{
throw new Exception("请输入确认密码");
}
if (textBoxPassword.Text != textBoxVerbPasswrod.Text)
{
throw new Exception("两次输入密码不一样");
}
JObject json = JObject.Parse("{\"action\":\"register\",\"username\":\"\",\"password\":\"\"}");
json["username"] = textBoxUserName.Text;
json["password"] = textBoxPassword.Text;
NetworkStreamProcessing.WriteBase64BytesEncodedJObjectToNetworkStream(Client.Stream, json);
}
catch (Exception ex) { MessageBox.Show(ex.Message); return; }
}
/// <summary>
/// 显示登陆框并返回用户
/// </summary>
/// <returns></returns>
public new User ShowDialog()
{
new Thread(() =>
{
UdpClient client;
try { client = new UdpClient(new IPEndPoint(IPAddress.Any, 16999)); } catch { return; }
client.EnableBroadcast = true;
IPEndPoint ipep = new IPEndPoint(IPAddress.Any, 0);
byte[] receive;
try { receive = client.Receive(ref ipep); } catch { try { client.Close(); } catch { } return; }
try { client.Close(); } catch { }
Newtonsoft.Json.Linq.JObject json;
try { json = NetworkStreamProcessing.GetJObjectFromBase64Bytes(receive); }
catch { return; }
IPAddress ipaddr = null;
int port = (int)json["port"];
foreach (IPAddress tmp in Dns.GetHostAddresses((string)json["hostname"]))
{
try { TcpClient tmp1 = new TcpClient(); tmp1.Connect(tmp, port); tmp1.Close(); ipaddr = tmp; break; } catch { }
}
this.Invoke(new Action(() =>
{
try
{
serverSettingIpAddressTextBox.Text = ipaddr.ToString();
serverSettingPortTextBox.Text = port.ToString();
}
catch { }
}));
})
{
IsBackground = true
}.Start();
if (base.ShowDialog() == DialogResult.OK)
{
return(user);
}
else
{
return(null);
}
}
private void 发起会话ToolStripMenuItem_Click(object sender, EventArgs e)
{
if (onlineUserTreeView.SelectedNode != null)
{
if (onlineUserTreeView.SelectedNode.Tag is User)
{
if (((User)onlineUserTreeView.SelectedNode.Tag).Id == Client.User.Id)
{
return;
}
PrivateChatSession tmp;
try
{
tmp = new PrivateChatSession(this, (User)onlineUserTreeView.SelectedNode.Tag, Client.User, (from, to, msg) =>
{
Chat.SendChatToStream(from, to, msg, Client.Stream);
}, (filename, to) =>
{
int hash;
try { hash = File.ReadAllBytes(filename).GetHashCode(); } catch (Exception ex) { MessageBox.Show(ex.Message); return; }
try { var tmp1 = Client.SendFilePool[hash]; MessageBox.Show("正在发送此文件"); return; }
catch
{
Client.SendFilePool.Add(hash, filename);
Newtonsoft.Json.Linq.JObject json = Newtonsoft.Json.Linq.JObject.Parse($"{{\"action\":\"file\",\"hash\":{hash},\"filename\":\"\",\"toUser\":{to}}}");
json["filename"] = filename.Substring(filename.LastIndexOf('\\') + 1);
NetworkStreamProcessing.WriteBase64BytesEncodedJObjectToNetworkStream(Client.Stream, json);
}
});
}
catch { return; }
Client.ReceiveChat += tmp.ReceiveChat;
Client.UserLogout += tmp.UserLogout;
tmp.FormClosed += (a, b) =>
{
Client.ReceiveChat -= tmp.ReceiveChat;
Client.UserLogout -= tmp.UserLogout;
};
tmp.Show();
}
}
}
/// <summary>
/// 登陆
/// </summary>
/// <param name="username"></param>
/// <param name="password"></param>
public static User Login(string username, string password)
{
if (IsLogined)
{
throw new Exception("已经登陆了");
}
JObject tmp = JObject.Parse("{\"action\":\"login\",\"username\":\"\",\"password\":\"\"}");
tmp["username"] = username;
tmp["password"] = password;
NetworkStreamProcessing.WriteBase64BytesEncodedJObjectToNetworkStream(client.GetStream(), tmp);
while (User == null)
{
if (lastError == "login")
{
Exception e = new Exception(lastError); lastError = null; throw e;
}
}
NetworkStreamProcessing.WriteBase64BytesEncodedJObjectToNetworkStream(client.GetStream(), JObject.Parse("{\"action\":\"getAllUser\"}"));
return(User);
}
/// <summary>
/// 处理客户端的方法
/// </summary>
public static void ProcessTcpClient()
{
using (NetworkStream ns = client.GetStream())
{
string receiveError = "";
while (client.Connected)
{
JObject json;
try { json = NetworkStreamProcessing.GetJObjectFromBase64Bytes(NetworkStreamProcessing.ReadDataFromNetworkStream(ns)); } catch (Exception e) { receiveError = e.Message; break; }
if ((string)json["application"] != "LNC")
{
client.Close();
}
try
{
if ((bool)json["error"] == true)
{
#region error
string action = (string)json["action"];
string errorMessage = (string)json["errorMessage"];
string errorType = (string)json["errorType"];
new Thread(() =>
{
System.Windows.Forms.MessageBox.Show($"详细信息如下：\n\n执行的动作: {action}\n\n错误类型:{errorType}\n\n错误信息:\n{errorMessage}", "错误", System.Windows.Forms.MessageBoxButtons.OK, System.Windows.Forms.MessageBoxIcon.Error);
lastError = (string)json["action"];
})
{
IsBackground = true
}.Start();
#endregion
}
else
{
switch ((string)json["action"])
{
#region login
case "login":
User = User.GetUserFromJObject((JObject)json["user"]);
break;
#endregion
#region changeUserInfo
case "changeUserInfo":
User tmp04 = User.GetUserFromJObject((JObject)json["user"]);
if (tmp04.Id == User.Id)
{
User.ChangeInformation(tmp04);
}
else
{
LoginedUser[tmp04.Id].ChangeInformation(tmp04);
}
Program.mainForm.Invoke(new Action(() => { UserInformationChanged?.Invoke(null, tmp04); }));
break;
#endregion
#region chat
case "chat":
Chat tmp = Chat.GetChatFromJObject(JObject.Parse(json["chat"].ToString()));
try { tmp.User = LoginedUser[tmp.UserId]; } catch { break; }
if (tmp.ToUserId == -1)
{
_chatMessages.Add(tmp);
}
else
{
LoginedUser[tmp.UserId].Messages.Add(tmp);
}
Program.mainForm.Invoke(new Action(() => { ReceiveChat?.Invoke(null, tmp); }));
break;
#endregion
#region getAllUser
case "getAllUser":
List <User> tmp1 = new List <User>();
foreach (JToken t in JArray.Parse(json["users"].ToString()))
{
User u = User.GetUserFromJObject(JObject.Parse(t.ToString()));
LoginedUser.Add(u.Id, u);
tmp1.Add(u);
}
Program.mainForm.Invoke(new Action(() => { ReceiveOnlineUser?.Invoke(null, tmp1.ToArray()); }));
break;
#endregion
#region login2
case "login2":
User user = User.GetUserFromJObject(JObject.Parse(json["user"].ToString()));
LoginedUser.Add(user.Id, user);
Program.mainForm.Invoke(new Action(() => { UserLogin?.Invoke(null, user); }));
break;
#endregion
#region logout
case "logout":
User user2 = User.GetUserFromJObject(JObject.Parse(json["user"].ToString()));
var tmp3 = LoginedUser[user2.Id];
LoginedUser.Remove(user2.Id);
Program.mainForm.Invoke(new Action(() => { UserLogout?.Invoke(null, tmp3); }));
break;
#endregion
#region file
case "file":
string filename = (string)json["filename"];
int hash = (int)json["hash"];
int toUser = (int)json["toUser"];
int fromUser = (int)json["fromUser"];
int port = (int)json["port"];
new Thread(() =>
{
TcpClient tmp0 = new TcpClient();
tmp0.Connect(new IPEndPoint(serverIP, port));
//Thread.Sleep(1000);
JObject json1 = JObject.Parse("{\"type\":\"\"}");
if (fromUser == User.Id)
{
json["type"] = "send";
}
else
{
json["type"] = "receive";
}
NetworkStreamProcessing.WriteBase64BytesEncodedJObjectToNetworkStream(tmp0.GetStream(), json);
JObject json2 = NetworkStreamProcessing.GetJObjectFromBase64Bytes(NetworkStreamProcessing.ReadDataFromNetworkStream(tmp0.GetStream()));
if ((int)json2["hash"] != hash)
{
return;
}
NetworkStream ns0 = tmp0.GetStream();
if (fromUser == User.Id)
{
FileStream fs;
try { fs = new FileStream(SendFilePool[hash], FileMode.Open); } catch { if (tmp0.Connected)
{
tmp0.Close();
}
return; }
while (fs.Position < fs.Length)
{
byte[] buffer = new byte[8192];
try
{
int s = fs.Read(buffer, 0, 8192);
ns0.Write(buffer, 0, s);
}
catch { if (tmp0.Connected)
{
tmp0.Close();
}
fs.Dispose(); return; }
}
try { fs.Close(); } catch { }
}
else
{
if (!Directory.Exists("ReceiveFiles"))
{
Directory.CreateDirectory("ReceiveFiles");
}
FileStream fs;
try { fs = new FileStream(@"ReceiveFiles\" + filename, FileMode.CreateNew); } catch { if (tmp0.Connected)
{
tmp0.Close();
}
return; }
while (tmp0.Connected)
{
try
{
byte[] buffer = NetworkStreamProcessing.ReadDataFromNetworkStream(ns0);
if (buffer.Length == 0)
{
tmp0.Close();
}
fs.Write(buffer, 0, buffer.Length);
}
catch { if (tmp0.Connected)
{
tmp0.Close();
}
fs.Dispose(); }
}
try { fs.Close(); } catch { }
if (tmp0.Connected)
{
tmp0.Close();
}
if (File.ReadAllBytes(@"ReceiveFiles\" + filename).GetHashCode() != hash)
{
System.Windows.Forms.MessageBox.Show($"\"{filename}\" 文件已损坏！");
}
}
})
{
IsBackground = true
}.Start();
break;
#endregion
#region register
case "register":
if ((string)json["status"] == "success")
{
Registered?.Invoke(null, EventArgs.Empty);
}
break;
#endregion
#region getNotVerifiedUsers
case "getNotVerifiedUsers":
List <User> tmp01 = new List <User>();
foreach (JObject t in JArray.Parse(json["users"].ToString()))
{
tmp01.Add(User.GetUserFromJObject(t));
}
User[] tmp03 = tmp01.ToArray();
new Thread(() =>
{
VerifyUserForm tmp02 = new VerifyUserForm(null, tmp03);
tmp02.AcceptUser += (a, b) =>
{
b.ChangeInformationAndPushToServer(b.Name, b.Age, b.Birth, b.Telephone, b.Pay, b.Unit, b.Number, 1, b.Banned, Client.Stream);
};
tmp02.DenyUser += (a, b) =>
{
b.ChangeInformationAndPushToServer(b.Name, b.Age, b.Birth, b.Telephone, b.Pay, b.Unit, b.Number, -1, b.Banned, Client.Stream);
};
tmp02.InformationOpened += (a, b) =>
{
new Thread(() => { try { new PersonalInfomation(b, User).ShowDialog(); } catch (Exception ex) { System.Windows.Forms.MessageBox.Show(ex.Message); } }).Start();
};
tmp02.ShowDialog();
})
{
IsBackground = true
}.Start();
break;
#endregion
#region getAllUserFromDatabase
case "getAllUserFromDatabase":
List <User> tmp001 = new List <User>();
foreach (JObject t in JArray.Parse(json["users"].ToString()))
{
tmp001.Add(User.GetUserFromJObject(t));
}
User[] tmp003 = tmp001.ToArray();
new Thread(() =>
{
ChangeAllUsersInformationForm cauif = null;
(cauif = new ChangeAllUsersInformationForm(User, tmp003, (a) => { try { new PersonalInfomation(a, User).ShowDialog(); } catch (Exception ex) { System.Windows.Forms.MessageBox.Show(ex.Message); } cauif.Refresh(); })).ShowDialog();
})
{
IsBackground = true
}.Start();
break;
#endregion
}
}
}
catch { }
}
if (receiveError != "")
{
System.Windows.Forms.MessageBox.Show($"与服务器断开连接！\n\n详细信息：{receiveError}");
}
else
{
System.Windows.Forms.MessageBox.Show($"与服务器断开连接！");
}
Disconnected?.Invoke(null, EventArgs.Empty);
}
}
/// <summary>
/// 处理客户端
/// </summary>
/// <param name="obj">客户端 (TcpClient)</param>
public static void ProcessTcpClient(object obj)
{
TcpClient client = obj as TcpClient;
if (client == null)
{
return;
}
using (NetworkStream ns = client.GetStream())
{
User user = null;
while (client.Connected)
{
try
{
JObject json = NetworkStreamProcessing.GetJObjectFromBase64Bytes(NetworkStreamProcessing.ReadDataFromNetworkStream(ns));
if ((string)json["application"] != "LNC")
{
client.Close();
}
try
{
if (user == null)
{
switch ((string)json["action"])
{
#region login
case "login":
if (User.Name == (string)json["username"])
{
throw new Exception("该用户已经登陆了");
}
foreach (KeyValuePair <int, KeyValuePair <User, TcpClient> > tmp1 in LoginedUser)
{
if (tmp1.Value.Key.UserName == (string)json["username"])
{
throw new Exception("该用户已经登陆了");
}
}
if (!User.CanLogin((string)json["username"], (string)json["password"]))
{
throw new Exception("账号或密码错误");
}
else
{
user = User.GetUserByUserNameFromDatabase((string)json["username"]);
if (user.Level == 0)
{
throw new Exception("你还没有审核");
}
if (user.Level == -1)
{
throw new Exception("用户审核未通过");
}
JObject tmp = JObject.Parse("{\"action\":\"login\",\"result\":\"success\",\"user\":null}");
tmp["user"] = user.ToJObject();
NetworkStreamProcessing.WriteBase64BytesEncodedJObjectToNetworkStream(ns, tmp);
JObject json3 = JObject.Parse("{\"action\":\"login2\",\"user\":null}");
json3["user"] = user.ToJObject();
foreach (KeyValuePair <int, KeyValuePair <User, TcpClient> > kvp in LoginedUser)
{
new Thread(() => { try { NetworkStreamProcessing.WriteBase64BytesEncodedJObjectToNetworkStream(kvp.Value.Value.GetStream(), json3); } catch { } })
{
IsBackground = true
}
}
.Start();
LoginedUser.Add(user.Id, new KeyValuePair <User, TcpClient>(user, client));
Program.mainForm.Invoke(new Action(() => { UserLogin?.Invoke(null, user); }));
}
break;
#endregion
#region register
case "register":
string tmp01 = (string)json["username"];
string tmp02 = (string)json["password"];
User.RegisterAndPushToDatabase(tmp01, tmp02);
json.Add("result", "success");
json.Remove("username");
json.Remove("password");
NetworkStreamProcessing.WriteBase64BytesEncodedJObjectToNetworkStream(ns, json);
break;
private void userInformationButton_Click(object sender, EventArgs e)
{
NetworkStreamProcessing.WriteBase64BytesEncodedJObjectToNetworkStream(Client.Stream, Newtonsoft.Json.Linq.JObject.Parse("{\"action\":\"getAllUserFromDatabase\"}"));
}
private void verifyUserButton_Click(object sender, EventArgs e)
{
NetworkStreamProcessing.WriteBase64BytesEncodedJObjectToNetworkStream(Client.Stream, Newtonsoft.Json.Linq.JObject.Parse("{\"action\":\"getNotVerifiedUsers\"}"));
}
private void Client_ReceiveChat(object sender, Chat e)
{
if (e.ToUserId == -1)
{
chatRichTextBox.Invoke(new Action(() =>
{
chatRichTextBox.SelectionLength = 0;
chatRichTextBox.ReadOnly = false;
chatRichTextBox.SelectionStart = chatRichTextBox.Text.Length;
chatRichTextBox.SelectionBackColor = Color.Empty;
chatRichTextBox.SelectionIndent = 0;
chatRichTextBox.SelectionHangingIndent = 0;
chatRichTextBox.SelectionFont = new Font("微软雅黑", 8);
chatRichTextBox.AppendText("\n");
if (e.UserId == Client.User.Id)
{
chatRichTextBox.SelectionColor = Color.DarkGreen;
}
else
{
chatRichTextBox.SelectionColor = Color.Blue;
}
chatRichTextBox.AppendText($"{e.User.Name} ({e.User.UserName}) {DateTime.Now.ToString("yyyy/MM/dd H:mm:ss")}\n");
chatRichTextBox.SelectionColor = Color.Black;
chatRichTextBox.SelectionHangingIndent = 20;
chatRichTextBox.SelectionFont = new Font("微软雅黑", 10);
chatRichTextBox.AppendText(" ");
chatRichTextBox.SelectionStart--;
chatRichTextBox.SelectionLength = 1;
chatRichTextBox.SelectedRtf = e.Message;
chatRichTextBox.ReadOnly = true;
chatRichTextBox.ScrollToCaret();
}));
}
else if (e.ToUserId == Client.User.Id)
{
foreach (Form frm in Application.OpenForms)
{
if (frm != this)
{
if (frm is PrivateChatSession)
{
if (((PrivateChatSession)frm).ToUser.Id == e.User.Id)
{
frm.Focus(); return;
}
}
}
}
PrivateChatSession tmp;
try
{
tmp = new PrivateChatSession(this, e.User, Client.User, (from, to, msg) =>
{
Chat.SendChatToStream(from, to, msg, Client.Stream);
}, (filename, to) =>
{
int hash;
try { hash = File.ReadAllBytes(filename).GetHashCode(); } catch (Exception ex) { MessageBox.Show(ex.Message); return; }
try { var tmp1 = Client.SendFilePool[hash]; MessageBox.Show("正在发送此文件"); return; }
catch
{
Client.SendFilePool.Add(hash, filename);
Newtonsoft.Json.Linq.JObject json = Newtonsoft.Json.Linq.JObject.Parse($"{{\"action\":\"file\",\"hash\":{hash},\"filename\":\"\",\"toUser\":{to}}}");
json["filename"] = filename.Substring(filename.LastIndexOf('\\') + 1);
NetworkStreamProcessing.WriteBase64BytesEncodedJObjectToNetworkStream(Client.Stream, json);
}
});
}
catch { return; }
Client.ReceiveChat += tmp.ReceiveChat;
Client.UserLogout += tmp.UserLogout;
tmp.FormClosed += (a, b) =>
{
Client.ReceiveChat -= tmp.ReceiveChat;
Client.UserLogout -= tmp.UserLogout;
};
tmp.Show();
}
}