/// <summary>
/// registration
/// </summary>
/// <param name="userid"></param>
/// <param name="password"></param>
/// <param name="power">power</param>
/// state = 0:to be confirmed 1:confirmed but disabled 2:normal
/// <returns></returns>
public bool Registration(UserInfo userinfo)
{
Mutex.WaitAll(M);
SQLiteCommand cmd = new System.Data.SQLite.SQLiteCommand();
cmd.Connection = conn;
string sql = "INSERT INTO users VALUES('" + userinfo.Id + "','" + userinfo.Password + "','" + ((int)userinfo.Power).ToString() + "','" + "2','" + DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss") + "', '0')";
cmd.CommandText = sql;
try
{
cmd.ExecuteNonQuery();
cmd.Dispose();
Read.ReleaseMutex();
Write.ReleaseMutex();
return true;
}
catch (Exception e)
{
log.Error(e.ToString());
cmd.Dispose();
Read.ReleaseMutex();
Write.ReleaseMutex();
return false;
}
}
public bool Update_Count(ref List<Corpus> list_corpus, UserInfo userinfo)
{
Mutex.WaitAll(M);
SQLiteCommand cmd = new System.Data.SQLite.SQLiteCommand();
cmd.Connection = conn;
string sql = "SELECT count FROM users " + "WHERE username = '******'";
try
{
cmd.CommandText = sql;
SQLiteDataReader reader = cmd.ExecuteReader();
if (reader.Read())
{
int count = list_corpus.Count + Int32.Parse(reader.GetString(0));
sql = "UPDATE users SET count = '" + count.ToString() + "' WHERE username = '******';";
sql = sql + "INSERT INTO users_tid VALUES ";
string tmp = "";
foreach (Corpus item in list_corpus)
{
tmp = tmp + "('" + item.Id + "', '" + userinfo.Id + "'),";
}
sql = sql + tmp.Substring(0, tmp.Length - 1) + ";";
cmd.CommandText = sql;
cmd.ExecuteNonQuery();
cmd.Dispose();
Read.ReleaseMutex();
Write.ReleaseMutex();
return true;
}
cmd.Dispose();
Read.ReleaseMutex();
Write.ReleaseMutex();
return false;
}
catch (Exception e)
{
cmd.Dispose();
Read.ReleaseMutex();
Write.ReleaseMutex();
log.Debug(e.ToString());
throw;
}
}
public List<UserInfo> GetAllInfo()
{
Write.WaitOne();
SQLiteCommand cmd = new System.Data.SQLite.SQLiteCommand();
cmd.Connection = conn;
string sql = "SELECT * FROM users";
try
{
cmd.CommandText = sql;
SQLiteDataReader reader = cmd.ExecuteReader();
List<UserInfo> List_u = new List<UserInfo>();
while (reader.Read())
{
UserInfo tmp = new UserInfo(reader.GetString(0), reader.GetString(1), (power)Int32.Parse((reader.GetString(2))), reader.GetString(3), reader.GetString(4), Int32.Parse(reader.GetString(5)));
List_u.Add(tmp);
}
cmd.Dispose();
Write.ReleaseMutex();
return List_u;
}
catch (Exception e)
{
log.Debug(e.ToString());
cmd.Dispose();
Write.ReleaseMutex();
throw;
}
}
//public bool ConfirmAndEnable_State(UserInfo userinfo)
//{
// Mutex.WaitAll(M);
// SQLiteCommand cmd = new System.Data.SQLite.SQLiteCommand();
// cmd.Connection = conn;
// string sql = "UPDATE users SET state = '2' WHERE username = '******'";
// try
// {
// cmd.CommandText = sql;
// cmd.ExecuteNonQuery();
// cmd.Dispose();
// Read.ReleaseMutex();
// Write.ReleaseMutex();
// return true;
// }
// catch (Exception e)
// {
// log.Error(e.ToString());
// cmd.Dispose();
// Read.ReleaseMutex();
// Write.ReleaseMutex();
// return false;
// }
//}
//public bool ConfirmAndEnable_State(ref List<UserInfo> list_userinfo)
//{
// string value = "";
// foreach (UserInfo item in list_userinfo)
// {
// value = value + "'" + item.Id + "',";
// }
// value = value.Substring(0, value.Length - 1);
// Mutex.WaitAll(M);
// SQLiteCommand cmd = new System.Data.SQLite.SQLiteCommand();
// cmd.Connection = conn;
// try
// {
// string sql = "UPDATE users SET state = '2' WHERE username IN (" + value + ")";
// cmd.CommandText = sql;
// cmd.ExecuteNonQuery();
// cmd.Dispose();
// Read.ReleaseMutex();
// Write.ReleaseMutex();
// return true;
// }
// catch (Exception e)
// {
// log.Error(e.ToString());
// cmd.Dispose();
// Read.ReleaseMutex();
// Write.ReleaseMutex();
// return false;
// }
//}
//public bool Disable_State(UserInfo userinfo)
//{
// Mutex.WaitAll(M);
// SQLiteCommand cmd = new System.Data.SQLite.SQLiteCommand();
// cmd.Connection = conn;
// string sql = "UPDATE users SET state = '1' WHERE username = '******'";
// try
// {
// cmd.CommandText = sql;
// cmd.ExecuteNonQuery();
// cmd.Dispose();
// Read.ReleaseMutex();
// Write.ReleaseMutex();
// return true;
// }
// catch (Exception e)
// {
// log.Error(e.ToString());
// cmd.Dispose();
// Read.ReleaseMutex();
// Write.ReleaseMutex();
// return false;
// }
//}
//public bool Disable_State(ref List<UserInfo> list_userinfo)
//{
// string value = "";
// foreach (UserInfo item in list_userinfo)
// {
// value = value + "'" + item.Id + "',";
// }
// value = value.Substring(0, value.Length - 1);
// Mutex.WaitAll(M);
// SQLiteCommand cmd = new System.Data.SQLite.SQLiteCommand();
// cmd.Connection = conn;
// try
// {
// string sql = "UPDATE users SET state = '1' WHERE username IN (" + value + ")";
// cmd.CommandText = sql;
// cmd.ExecuteNonQuery();
// cmd.Dispose();
// Read.ReleaseMutex();
// Write.ReleaseMutex();
// return true;
// }
// catch (Exception e)
// {
// log.Error(e.ToString());
// cmd.Dispose();
// Read.ReleaseMutex();
// Write.ReleaseMutex();
// return false;
// }
//}
//public bool Enable_State(UserInfo userinfo)
//{
// Mutex.WaitAll(M);
// SQLiteCommand cmd = new System.Data.SQLite.SQLiteCommand();
// cmd.Connection = conn;
// string sql = "UPDATE users SET state = '2' WHERE username = '******'";
// try
// {
// cmd.CommandText = sql;
// cmd.ExecuteNonQuery();
// cmd.Dispose();
// Read.ReleaseMutex();
// Write.ReleaseMutex();
// return true;
// }
// catch (Exception e)
// {
// log.Error(e.ToString());
// cmd.Dispose();
// return false;
// }
//}
//public bool Enable_State(ref List<UserInfo> list_userinfo)
//{
// string value = "";
// foreach (UserInfo item in list_userinfo)
// {
// value = value + "'" + item.Id + "',";
// }
// value = value.Substring(0, value.Length - 1);
// Mutex.WaitAll(M);
// SQLiteCommand cmd = new System.Data.SQLite.SQLiteCommand();
// cmd.Connection = conn;
// try
// {
// string sql = "UPDATE users SET state = '2' WHERE username IN (" + value + ")";
// cmd.CommandText = sql;
// cmd.ExecuteNonQuery();
// cmd.Dispose();
// Read.ReleaseMutex();
// Write.ReleaseMutex();
// return true;
// }
// catch (Exception e)
// {
// log.Error(e.ToString());
// cmd.Dispose();
// Read.ReleaseMutex();
// Write.ReleaseMutex();
// return false;
// }
//}
public state Get_State(UserInfo userinfo)
{
Write.WaitOne();
SQLiteCommand cmd = new System.Data.SQLite.SQLiteCommand();
cmd.Connection = conn;
string sql = "SELECT state FROM users" + "WHERE username = '******'";
try
{
cmd.CommandText = sql;
SQLiteDataReader reader = cmd.ExecuteReader();
if (reader.Read())
{
state t = (state)Int32.Parse(reader.GetString(0));
cmd.Dispose();
Write.ReleaseMutex();
return t;
}
cmd.Dispose();
Write.ReleaseMutex();
return state.tobeconfirm;
}
catch (Exception e)
{
cmd.Dispose();
Write.ReleaseMutex();
log.Debug(e.ToString());
throw;
}
}
public bool Del_User(UserInfo userinfo)
{
Mutex.WaitAll(M);
SQLiteCommand cmd = new System.Data.SQLite.SQLiteCommand();
cmd.Connection = conn;
string sql = "DELETE FROM users WHERE username = '******'";
try
{
cmd.CommandText = sql;
cmd.ExecuteNonQuery();
cmd.Dispose();
Read.ReleaseMutex();
Write.ReleaseMutex();
return true;
}
catch (Exception e)
{
log.Error(e.ToString());
cmd.Dispose();
Read.ReleaseMutex();
Write.ReleaseMutex();
return false;
}
}
public bool Check(UserInfo userinfo)
{
Mutex.WaitAll(M);
SQLiteCommand cmd = new System.Data.SQLite.SQLiteCommand();
cmd.Connection = conn;
string sql = "UPDATE users SET lastlogin = '******' WHERE username = '******' AND password = '******'";
try
{
cmd.CommandText = sql;
cmd.ExecuteNonQuery();
cmd.Dispose();
Read.ReleaseMutex();
Write.ReleaseMutex();
return true;
}
catch (Exception e)
{
log.Error(e.ToString());
cmd.Dispose();
Read.ReleaseMutex();
Write.ReleaseMutex();
return false;
}
}
private void Interaction(object oclient)
{
int recv;
byte[] data = new byte[1024];
Socket client = (Socket)oclient;
IPEndPoint clientip = (IPEndPoint)client.RemoteEndPoint;
recv = client.Receive(data);
string enter_info = Encoding.UTF8.GetString(data, 0, recv);
UserInfo userinfo = new UserInfo();
try
{
#region login
if (enter_info.IndexOf("&#LOG") != -1)
{
if (Get_userinfo(enter_info, ref userinfo))
{
//user has logined at somewhere
if (LoginUser2Socket.ContainsKey(userinfo.Id))
{
string confirm_info = "2";
data = Encoding.UTF8.GetBytes(confirm_info);
client.Send(data, SocketFlags.None);
recv = client.Receive(data);
string feedback = Encoding.UTF8.GetString(data, 0, recv);
if (feedback == "1")
{
Socket c = (Socket)LoginUser2Socket[userinfo.Id];
c.Dispose();
c.Close();
LoginUser2Socket.Remove(userinfo.Id);
}
client.Dispose();
client.Close();
return;
}
if (Authenticate(userinfo))
{
log.Info("client IP: " + clientip.Address + "client port: " + clientip.Port + "userid: " + userinfo.Id + " is connected\n");
string confirm_info = "1";
data = Encoding.UTF8.GetBytes(confirm_info);
client.Send(data, SocketFlags.None);
LoginUser2Socket[userinfo.Id] = client;
#region translator
if (userinfo.Power == power.translator)
{
while (true)
{
data = new byte[1024 * 1024];
recv = client.Receive(data);
if (recv == 0)
{
break;
}
string tmp = Encoding.UTF8.GetString(data, 0, recv);
if (tmp.IndexOf("&#GET") != -1)
{
try
{
int get_textnum = Int32.Parse(tmp.Substring(5));
List<Corpus> list_C = DB.Access_read(get_textnum);
if (list_C != null)
{
string texts = "&#";
foreach (Corpus item in list_C)
{
texts = texts +
item.Id + "::" + //text id
item.Title + "::" + //text title
item.Body + "&#"; //text body
}
byte[] corpusdata = Encoding.UTF8.GetBytes(texts);
client.Send(corpusdata, SocketFlags.None);
}
else
{
client.Send(Encoding.UTF8.GetBytes("NO data to be translated!"), SocketFlags.None);
}
}
catch (Exception e)
{
LoginUser2Socket.Remove(userinfo.Id);
client.Dispose();
client.Close();
log.Error(e.ToString());
}
}
else if (tmp.IndexOf("&#POST") != -1)
{ //protocol:&#POST(NUM)&#corpus1(id::checker::translator::title::body)&#corpus2()&#...&#
string[] texts_data = tmp.Split(new string[] { "&#" }, StringSplitOptions.RemoveEmptyEntries);
int post_textnum = Int32.Parse(texts_data[0].Substring(4));
List<Corpus> list_c = new List<Corpus>();
for (int i = 1; i < post_textnum+1; i++)
{
Corpus C_tmp = new Corpus();
string[] items = texts_data[i].Split(new string[] { "::" }, StringSplitOptions.RemoveEmptyEntries);
C_tmp.Id = items[0];
C_tmp.Checker = items[1];
C_tmp.Translator = items[2];
C_tmp.Title = items[3];
C_tmp.Body = items[4];
C_tmp.State = "2";
C_tmp.Submit = DateTime.Now.ToString();
list_c.Add(C_tmp);
}
DB.Access_write(ref list_c);
UserOP.Update_Count(ref list_c, userinfo);
}
}
LoginUser2Socket.Remove(userinfo.Id);
client.Dispose();
client.Close();
}
#endregion
#region administrator
else if (userinfo.Power == power.admin)
{
while (true)
{
data = new byte[1024 * 1024];
recv = client.Receive(data);
if (recv == 0)
{
break;
}
string tmp = Encoding.UTF8.GetString(data, 0, recv);
if (tmp.IndexOf("&#GET") != -1)
{
try
{
List<UserInfo> list_u = UserOP.GetAllInfo();
if (list_u != null)
{
string users = "&#";
foreach (UserInfo item in list_u)
{
string Online = "0";
if (LoginUser2Socket.ContainsKey(item.Id))
{
Online = "1";
}
users = users +
item.Id + "::" + //id
item.Password + "::" + //password
((int)item.Power) + "::" + //power
item.State+ "::" +
item.Lastlogin + "::" +
item.Count + "::" +
Online + "&#"; //
}
data = Encoding.UTF8.GetBytes(users);
client.Send(data, SocketFlags.None);
}
else
{
client.Send(Encoding.UTF8.GetBytes("NO data to be translated!"), SocketFlags.None);
}
}
catch (Exception e)
{
LoginUser2Socket.Remove(userinfo.Id);
client.Dispose();
client.Close();
log.Error(e.ToString());
}
}
else
{
//protocol:&#D(C)sum&#user1(id::password::power::state)&#user2()&#...&#
string[] post_data = tmp.Split(new string[] { "&#" }, StringSplitOptions.RemoveEmptyEntries);
char tag = post_data[0][0];
int post_usernum = Int32.Parse(post_data[0].Substring(1));
List<UserInfo> list_u = new List<UserInfo>();
for (int i = 1; i < post_usernum+1; i++)
{
UserInfo U_tmp = new UserInfo();
string[] li_item = post_data[i].Split(new string[] { "::" }, StringSplitOptions.RemoveEmptyEntries);
U_tmp.Id = li_item[0];
U_tmp.Password = li_item[1];
U_tmp.Power = (power)Int32.Parse(li_item[2]);
U_tmp.State = li_item[3];
list_u.Add(U_tmp);
}
switch (tag)
{
case 'D'://delete user info
if (UserOP.Del_User(ref list_u))
client.Send(Encoding.UTF8.GetBytes("1"), SocketFlags.None);
else
client.Send(Encoding.UTF8.GetBytes("0"), SocketFlags.None);
break;
case 'C'://disable user
if (UserOP.Update_State(ref list_u))
{
client.Send(Encoding.UTF8.GetBytes("1"), SocketFlags.None);
}
else
client.Send(Encoding.UTF8.GetBytes("0"), SocketFlags.None);
break;
default:
break;
}
}
}
LoginUser2Socket.Remove(userinfo.Id);
client.Dispose();
client.Close();
}
#endregion
}
else
{
string Error = "0";
data = Encoding.UTF8.GetBytes(Error);
client.Send(data, SocketFlags.None);
client.Dispose();
client.Close();
}
}
else
{
string Error = "0";
data = Encoding.UTF8.GetBytes(Error);
client.Send(data, SocketFlags.None);
client.Dispose();
client.Close();
}
}
#endregion
#region user registration
else if (enter_info.IndexOf("&#REG") != -1)
{
if (Get_userinfo(enter_info, ref userinfo))
{
if (UserOP.Registration(userinfo))
{
string Success = "1";
data = Encoding.UTF8.GetBytes(Success);
client.Send(data, SocketFlags.None);
client.Dispose();
client.Close();
}
else
{
string fail = "0";
data = Encoding.UTF8.GetBytes(fail);
client.Send(data, SocketFlags.None);
client.Dispose();
client.Close();
}
}
else
{
string fail = "0";
data = Encoding.UTF8.GetBytes(fail);
client.Send(data, SocketFlags.None);
client.Dispose();
client.Close();
}
}
#endregion
}
catch (Exception exc)
{
client.Dispose();
client.Close();
log.Debug(exc.ToString());
}
}
/// <summary>
/// get the user name and password from the string
/// </summary>
/// <param name="str">example:&#REG&#IDusera&#PW1234&#PO2&#</param>
/// <param name="user_name"></param>
/// <param name="password"></param>
/// <returns></returns>
private bool Get_userinfo(string str, ref UserInfo userinfo)
{
if (str.IndexOf("&#") == -1)
{
return false;
}
string[] tmp = str.Split(new string[] { "&#" }, StringSplitOptions.RemoveEmptyEntries);
userinfo.Id = tmp[1];
userinfo.Password = tmp[2];
userinfo.Power = (power)Int32.Parse(tmp[3]);
return true;
}
private bool Authenticate(UserInfo userinfo)
{
if (UserOP.Check(userinfo))
{
return true;
}
return false;
}