public static int createUser(String firstname, String lastname, String password, bool superuser)
{
XmlDocument doc = new XmlDocument();
doc.Load(userXML);
XmlNodeList elemList = doc.GetElementsByTagName("user");
int newid = elemList.Count + 1;
XmlElement e = doc.CreateElement("user");
XmlAttribute a = doc.CreateAttribute("id");
a.Value = newid.ToString();
e.Attributes.Append(a);
XmlElement fchild = doc.CreateElement("firstname");
fchild.AppendChild(doc.CreateTextNode(firstname));
XmlElement lchild = doc.CreateElement("lastname");
lchild.AppendChild(doc.CreateTextNode(lastname));
XmlElement pchild = doc.CreateElement("password");
pchild.AppendChild(doc.CreateTextNode(password));
XmlElement schild = doc.CreateElement("superuser");
schild.AppendChild(doc.CreateTextNode(superuser.ToString()));
XmlElement goldchild = doc.CreateElement("gold");
goldchild.AppendChild(doc.CreateTextNode(Convert.ToString(0)));
XmlElement manachild = doc.CreateElement("mana");
manachild.AppendChild(doc.CreateTextNode(Convert.ToString(100)));
XmlElement xpchild = doc.CreateElement("xp");
xpchild.AppendChild(doc.CreateTextNode(Convert.ToString(0)));
XmlElement groupchild = doc.CreateElement("group");
groupchild.AppendChild(doc.CreateTextNode("None"));
XmlElement avatarchild = doc.CreateElement("avatar");
avatarchild.AppendChild(doc.CreateTextNode("None"));
XmlElement emailchild = doc.CreateElement("email");
emailchild.AppendChild(doc.CreateTextNode("None"));
for (int i = 0; i < Missions.getMissionNumber(); i++)
{
XmlElement nodee = doc.CreateElement("mission");
XmlAttribute nodea = doc.CreateAttribute("id");
nodea.Value = i.ToString();
nodee.Attributes.Append(nodea);
XmlElement gradechild = doc.CreateElement("grade");
gradechild.AppendChild(doc.CreateTextNode("N/A"));
XmlElement attemptschild = doc.CreateElement("attempts");
attemptschild.AppendChild(doc.CreateTextNode("0"));
nodee.AppendChild(gradechild);
nodee.AppendChild(attemptschild);
e.AppendChild(nodee);
}
e.AppendChild(fchild);
e.AppendChild(lchild);
e.AppendChild(pchild);
e.AppendChild(schild);
e.AppendChild(goldchild);
e.AppendChild(manachild);
e.AppendChild(xpchild);
e.AppendChild(groupchild);
e.AppendChild(avatarchild);
e.AppendChild(emailchild);
doc.ChildNodes.Item(1).AppendChild(e);
doc.Save(userXML);
//doc.FirstChild.AppendChild
return(newid);
}
public static void ReadCallback(IAsyncResult ar)
{
try
{
String content = String.Empty;
// Retrieve the state object and the handler socket
// from the asynchronous state object.
StateObject state = (StateObject)ar.AsyncState;
Socket handler = state.workSocket;
// Read data from the client socket.
int bytesRead = handler.EndReceive(ar);
Console.WriteLine("Processing Packet of " + bytesRead + " bytes");
if (bytesRead > 0)
{
// There might be more data, so store the data received so far.
state.sb.Append(Encoding.ASCII.GetString(
state.buffer, 0, bytesRead));
// Check for end-of-file tag. If it is not there, read
// more data.
content = state.sb.ToString();
Console.WriteLine(content);
if (content.IndexOf("<EOF>") > -1)
{
Console.WriteLine("<EOF> Found with a buffer of " + state.buffer[0]);
//Process data here:
byte[] loginpacket = new byte[6];
if (state.buffer[0] == 1)
{
//Packet type: Login verification protocol
Console.WriteLine("Loading login data...");
//String packet = Encoding.ASCII.GetString(state.buffer, 1, state.buffer.Length-1);
String[] items = content.Split('\0');
String firstname = items[0];
firstname = firstname.Substring(1);
String lastname = items[1]; //NEEDS TRY CATCH
String password = items[2];
// String lastname = Encoding.ASCII.GetString(state.buffer, 22, Int32.Parse(Encoding.ASCII.GetString(state.buffer, 21, 1)););
//String password = Encoding.ASCII.GetString(state.buffer, 42, Int32.Parse(Encoding.ASCII.GetString(state.buffer, 41, 1)););
Console.WriteLine("Received login protocol: " + firstname + ", " + lastname + ", " + password);
//Check if the credentials correspond to actual
int id = findUser(firstname, lastname, password);
Console.WriteLine(id);
loginpacket[0] = 1;
if (id == 0 || id == -1)
{
loginpacket[1] = 0;
}
else
{
Random random = new Random();
loginpacket[1] = 1;
loginpacket[2] = Convert.ToByte(random.Next(0, 256));
loginpacket[3] = Convert.ToByte(random.Next(0, 256));
loginpacket[4] = Convert.ToByte(random.Next(0, 256));
byte[] userpacket = new byte[3];
userpacket[0] = loginpacket[2];
userpacket[1] = loginpacket[3];
userpacket[2] = loginpacket[4];
if (User.getSuperUser(id))
{
loginpacket[5] = 1;
}
else
{
loginpacket[5] = 0;
}
//USER FOUND WITH ID 'id'
Console.WriteLine("ID IS" + id);
userList.Add(userpacket, id);
}
SendBytes(handler, loginpacket);
}
else if (state.buffer[0] == 2)
{
//Received XP protocol
byte[] userpacket = new byte[3];
byte[] xppacket = new byte[15];
xppacket[0] = 2;
userpacket[0] = state.buffer[1];
userpacket[1] = state.buffer[2];
userpacket[2] = state.buffer[3];
int id = 0;
if (userList.TryGetValue(userpacket, out id))
{
xppacket[1] = 1; //Indicates success
xppacket[2] = userpacket[0];
xppacket[3] = userpacket[1];
xppacket[4] = userpacket[2];
int xp = User.getXP(id);
//retrieve xp from xml!
byte[] fnl = Encoding.ASCII.GetBytes("\0");
fnl.CopyTo(xppacket, 5);
byte[] temp = Encoding.ASCII.GetBytes(xp.ToString());
temp.CopyTo(xppacket, 6);
fnl.CopyTo(xppacket, 6 + Encoding.ASCII.GetByteCount(xp.ToString()));
}
else
{
Console.WriteLine("Failure");
xppacket[1] = 0; //Indicates failure
xppacket[2] = 0;
xppacket[3] = 0;
xppacket[4] = 0;
}
SendBytes(handler, xppacket);
}
else if (state.buffer[0] == 6)
{
//Received String Array protocol
byte[] userpacket = new byte[3];
byte[] finalpacket = new byte[60];
finalpacket[0] = 6;
String[] b = content.Split('\0');
String fn = b[0].Substring(1);
int fnn = Convert.ToInt32(fn);
userpacket[0] = state.buffer[1];
userpacket[1] = state.buffer[2];
userpacket[2] = state.buffer[3];
int id = 0;
if (userList.TryGetValue(userpacket, out id))
{
Console.WriteLine("Confirmed string array protocol");
finalpacket[1] = 1; //Indicates success
finalpacket[2] = userpacket[0];
finalpacket[3] = userpacket[1];
finalpacket[4] = userpacket[2];
byte[] fnl = Encoding.ASCII.GetBytes("\0");
fnl.CopyTo(finalpacket, 5);
//Add payload (String array) here:
String[] payload = new String[2];
payload[0] = User.getFirstName(fnn);
payload[1] = User.getLastName(fnn);
int arcount = 6;
foreach (String s in payload)
{
if (s != null && s != String.Empty)
{
byte[] tempa = Encoding.ASCII.GetBytes(s);
tempa.CopyTo(finalpacket, arcount);
fnl.CopyTo(finalpacket, tempa.Length + arcount + 1);
arcount += tempa.Length + 2;
}
}
byte[] tempb = Encoding.ASCII.GetBytes("<EOF>");
tempb.CopyTo(finalpacket, arcount);
}
else
{
Console.WriteLine("Failure");
finalpacket[1] = 0; //Indicates failure
finalpacket[2] = 0;
finalpacket[3] = 0;
finalpacket[4] = 0;
}
SendBytes(handler, finalpacket);
}
else if (state.buffer[0] == 7)
{
//Remove user from logged in user's list
byte[] userpacket = new byte[3];
byte[] userdeletepacket = new byte[2];
userdeletepacket[0] = 7;
userpacket[0] = state.buffer[1];
userpacket[1] = state.buffer[2];
userpacket[2] = state.buffer[3];
int id = 0;
if (userList.TryGetValue(userpacket, out id))
{
userdeletepacket[1] = 1;
userList.Remove(userpacket);
}
else
{
userdeletepacket[1] = 0;
}
SendBytes(handler, userdeletepacket);
}
else if (state.buffer[0] == 3)
{
//Level transmission processing
byte[] userpacket = new byte[3];
byte[] payload = new byte[5];
payload[0] = 3;
userpacket[0] = state.buffer[1];
userpacket[1] = state.buffer[2];
userpacket[2] = state.buffer[3];
payload[1] = userpacket[0];
payload[2] = userpacket[1];
payload[3] = userpacket[2];
int id = 0;
if (userList.TryGetValue(userpacket, out id))
{
int lvl = Settings.getLevel(User.getXP(id));
if (lvl > 0 && lvl < 256)
{
payload[4] = 1;
}
}
else
{
payload[4] = 0;
}
SendBytes(handler, payload);
}
else if (state.buffer[0] == 4)
{
//MinXP transmission processing
byte[] userpacket = new byte[3];
byte[] payload = new byte[9];
payload[0] = 4;
userpacket[0] = state.buffer[1];
userpacket[1] = state.buffer[2];
userpacket[2] = state.buffer[3];
payload[1] = userpacket[0];
payload[2] = userpacket[1];
payload[3] = userpacket[2];
int id = 0;
if (userList.TryGetValue(userpacket, out id))
{
int lvl = Settings.getLevel(User.getXP(id));
byte[] fnl = Encoding.ASCII.GetBytes("\0");
byte[] xp = Encoding.ASCII.GetBytes(Settings.getXp(lvl).ToString());
fnl.CopyTo(payload, 4);
xp.CopyTo(payload, 5);
fnl.CopyTo(payload, xp.Length + 5);
if (xp.Length > 3)
{
Console.WriteLine("FATAL: Byte overflow error in packet type 4 processing! XP length too long!");
}
}
else
{
payload[4] = 0;
}
SendBytes(handler, payload);
}
else if (state.buffer[0] == 5)
{
//MaxXP transmission processing
byte[] userpacket = new byte[3];
byte[] payload = new byte[9];
payload[0] = 5;
userpacket[0] = state.buffer[1];
userpacket[1] = state.buffer[2];
userpacket[2] = state.buffer[3];
payload[1] = userpacket[0];
payload[2] = userpacket[1];
payload[3] = userpacket[2];
int id = 0;
if (userList.TryGetValue(userpacket, out id))
{
int lvl = Settings.getLevel(User.getXP(id)) + 1;
byte[] fnl = Encoding.ASCII.GetBytes("\0");
byte[] xp = Encoding.ASCII.GetBytes(Settings.getXp(lvl).ToString());
fnl.CopyTo(payload, 4);
xp.CopyTo(payload, 5);
fnl.CopyTo(payload, xp.Length + 5);
if (xp.Length > 3)
{
Console.WriteLine("FATAL: Byte overflow error in packet type 5 processing! XP length too long!");
}
}
else
{
payload[4] = 0;
}
SendBytes(handler, payload);
}
else if (state.buffer[0] == 8)
{
//Modify password
byte[] userpacket = new byte[3];
byte[] payload = new byte[5];
payload[0] = 8;
userpacket[0] = state.buffer[1];
userpacket[1] = state.buffer[2];
userpacket[2] = state.buffer[3];
payload[1] = userpacket[0];
payload[2] = userpacket[1];
payload[3] = userpacket[2];
int id = 0;
if (userList.TryGetValue(userpacket, out id))
{
Console.WriteLine("HERE");
String[] items = content.Split('\0');
//items[1] is the new password and items[2] is the old password
Console.WriteLine(items[1]);
Console.WriteLine(User.getPassword(id));
Console.WriteLine(items[2]);
if (items[2].Equals(User.getPassword(id)))
{
Console.WriteLine("REACHED");
User.setPassword(id, items[1]);
payload[4] = 1;
//Indicates succcess
}
else
{
//Indicates wrong old password entered
payload[4] = 2;
}
}
else
{
//Means that could not verify user based on logincode authorization
payload[4] = 0;
}
Console.WriteLine("HI");
SendBytes(handler, payload);
}
else if (state.buffer[0] == 13)
{
//Return positive that mission was successfully created
byte[] userpacket = new byte[3];
byte[] payload = new byte[5];
payload[0] = 13;
userpacket[0] = state.buffer[1];
userpacket[1] = state.buffer[2];
userpacket[2] = state.buffer[3];
payload[1] = userpacket[0];
payload[2] = userpacket[1];
payload[3] = userpacket[2];
int id = 0;
if (userList.TryGetValue(userpacket, out id))
{
payload[4] = 1;
byte[] missionpacket = new byte[state.buffer.Length - 9];
try
{
Array.Copy(state.buffer, 4, missionpacket, 0, state.buffer.Length - 9);
Object obj = ByteArrayToObject(missionpacket);
Mission mis = (Mission)obj;
Missions.createMission(mis);
}
catch (Exception f)
{
Console.WriteLine(f.ToString());
}
}
else
{
payload[4] = 0;
}
SendBytes(handler, payload);
}
else if (state.buffer[0] == 23)
{
//Gold transmision processing
byte[] userpacket = new byte[3];
byte[] payload = new byte[9];
payload[0] = 23;
userpacket[0] = state.buffer[1];
userpacket[1] = state.buffer[2];
userpacket[2] = state.buffer[3];
payload[1] = userpacket[0];
payload[2] = userpacket[1];
payload[3] = userpacket[2];
int id = 0;
if (userList.TryGetValue(userpacket, out id))
{
int gold = User.getGold(id);
byte[] fnl = Encoding.ASCII.GetBytes("\0");
byte[] goldpacket = Encoding.ASCII.GetBytes(gold.ToString());
fnl.CopyTo(payload, 4);
goldpacket.CopyTo(payload, 5);
fnl.CopyTo(payload, goldpacket.Length + 5);
if (goldpacket.Length > 3)
{
Console.WriteLine("FATAL: Byte overflow error in packet type 5 processing! Gold length too long!");
}
}
else
{
payload[4] = 0;
}
SendBytes(handler, payload);
}
else if (state.buffer[0] == 24)
{
//Mana transmission processing
byte[] userpacket = new byte[3];
byte[] payload = new byte[9];
payload[0] = 24;
userpacket[0] = state.buffer[1];
userpacket[1] = state.buffer[2];
userpacket[2] = state.buffer[3];
payload[1] = userpacket[0];
payload[2] = userpacket[1];
payload[3] = userpacket[2];
int id = 0;
if (userList.TryGetValue(userpacket, out id))
{
int mana = User.getMana(id);
byte[] fnl = Encoding.ASCII.GetBytes("\0");
byte[] manapacket = Encoding.ASCII.GetBytes(mana.ToString());
fnl.CopyTo(payload, 4);
manapacket.CopyTo(payload, 5);
fnl.CopyTo(payload, manapacket.Length + 5);
if (manapacket.Length > 3)
{
Console.WriteLine("FATAL: Byte overflow error in packet type 5 processing! Mana length too long!");
}
}
else
{
payload[4] = 0;
}
SendBytes(handler, payload);
}
else if (state.buffer[0] == 29)
{
//Request for list of users
byte[] userpacket = new byte[3];
byte[] finalpacket = new byte[1024 + 5];
finalpacket[0] = 29;
userpacket[0] = state.buffer[1];
userpacket[1] = state.buffer[2];
userpacket[2] = state.buffer[3];
int id = 0;
if (userList.TryGetValue(userpacket, out id))
{
finalpacket[1] = userpacket[0];
finalpacket[2] = userpacket[1];
finalpacket[3] = userpacket[2];
byte[] fnl = Encoding.ASCII.GetBytes("\0");
fnl.CopyTo(finalpacket, 4);
byte[] users = User.getUserList();
users.CopyTo(finalpacket, 5);
}
else
{
Console.WriteLine("Failure");
finalpacket[1] = 0; //Indicates failure
finalpacket[2] = 0;
finalpacket[3] = 0;
finalpacket[4] = 0;
}
SendBytes(handler, finalpacket);
}
// All the data has been read from the
// client. Display it on the console.
Console.WriteLine("Read {0} bytes from socket. \n Data : {1}",
content.Length, content);
// Echo the data back to the client.
}
else
{
// Not all data received. Get more.
handler.BeginReceive(state.buffer, 0, StateObject.BufferSize, 0,
new AsyncCallback(ReadCallback), state);
}
}
}
catch
{
return;
}
}