private bool CheckUserToken(STC_MSG msg)
{
// L'orchestration et la gestion transactionnelle doivent être mise en oeuvre ici.
/* To handle with database connection
* int count = -1;
*
* this.sql = new SQL_Request();
* this.msg = this.sql.SelectByUserToken(this.msg);
*
* this.msg.data = new object[2] { this.msg.data[0], (object)"resultat" };
* this.msg = this.db.GetRows(this.msg);
*
* count = ((System.Data.DataTable)this.msg.data[0]).Rows.Count;
*
* if (count == 1)
*/
if (true)
{
this.msg.op_info = "succes";
this.msg.op_statut = true;
}
else
{
this.msg.op_info = "fail";
this.msg.op_statut = false;
}
return(this.msg.op_statut);
}
public STC_MSG SelectByLoginPsw(STC_MSG msg)
{
this.msg = msg;
string log = msg.user_login;
string psw = msg.user_psw;
using (SqlConnection cnx = new SqlConnection(this.cnx.ConnectionString))
{
try
{
cnx.Open();
//querie to check if the user's informations match
SqlCommand sqlcmd = new SqlCommand("select count(1) from InfoUser where login=@login and pwd = sha1(@pwd)", this.cnx);
sqlcmd.Parameters.AddWithValue("@login", log);
sqlcmd.Parameters.AddWithValue("@pwd", psw);
Console.Write("Response request SQL " + sqlcmd.ExecuteScalar());
this.msg.op_statut = Convert.ToInt32(sqlcmd.ExecuteScalar()) == 1;
}
catch (Exception ex)
{
throw new Exception(ex.ToString());
}
}
return(this.msg);
}
public STC_MSG Exec(STC_MSG msg)
{
this.msg = msg;
// Set auth at false before db auth
this.msg.op_statut = false;
this.msg = this.db.SelectByLoginPsw(this.msg);
if (this.msg.op_statut)
// if (msg.user_login == "theo" && msg.user_psw =="123")
{
this.msg.op_info = "succes";
this.msg.op_statut = true;
this.msg.user_token = new Guid().ToString();
}
else
{
this.msg.op_info = "fail";
this.msg.op_statut = false;
}
this.msg.app_name = null;
this.msg.app_token = null;
this.msg.app_version = null;
this.msg.data = null;
this.msg.op_name = null;
this.msg.user_login = null;
this.msg.user_psw = null;
return(this.msg);
}
public STC_MSG Crack(STC_MSG msg)
{
string text = msg.data[1].ToString();
// Then send those files to the JEE app
ProjetService req = new ProjetService();
string[] d = new string[5];
Parallel.ForEach(keyList, (item) =>
{
string key = item;
byte[] bytes = Encoding.ASCII.GetBytes(text);
string[] binaryText = bytes.Select(x => Convert.ToString(x, 2).PadLeft(8, '0')).ToArray();
byte[] bytesKey = Encoding.ASCII.GetBytes(key);
string[] binaryKey = bytesKey.Select(x => Convert.ToString(x, 2).PadLeft(8, '0')).ToArray();
string txtDecode = "";
for (int i = 0; i < binaryText.Length; i++)
{
txtDecode += (char)Convert.ToInt16(XOR(binaryText[i], binaryKey[i % 4]), 2);
}
// 0 = file name
d[0] = msg.data[0].ToString();
// 1 = file content crypted
d[1] = msg.data[1].ToString();
// 2 = file content décrypted
d[2] = txtDecode;
// 3 = Key
d[3] = key;
msg.data = d;
// Method to get trust value
try
{
// 4 = string result of JEE
d[4] = req.decodage(GenerateXml(msg));
}
catch (Exception e)
{
throw new Exception("Code JEE error " + e);
}
});
msg.data = d;
return(msg);
}
public Database()
{
this.msg = new STC_MSG();
this.cnx = new SqlConnection();
//information about the remote server
string server = "51.210.103.59";
string port = "3306";
string database = "ProjetDev_db";
string username = "******";
string password = "******";
this.cnx.ConnectionString = "Data Source=" + server + "," + port + ";Initial Catalog=" + database + ";User Id=" + username + ";Password="******";";
}
public STC_MSG DecryptFiles(STC_MSG msg)
{
this.msg = msg;
if (new Auth().CheckRequest(this.msg))
{
if (msg.op_name == "decrypter")
{
if (CheckUserToken(this.msg))
{
// Method used to decrypt files
Semaphore _pool = new Semaphore(0, 6);
List <string> keyList = new GenKey().GetList();
this.msg = new XorCracker(keyList).Crack(msg);
/*
* Task.Run(() => {
* _pool.WaitOne();
*
* this.msg = new XorCracker(keyList).Crack(msg);
*
* _pool.Release();
* });
*/
}
else
{
this.msg.op_info = "User token invalid";
this.msg.user_token = "";
}
}
else
{
this.msg.op_info = "Operation invalid";
this.msg.op_statut = false;
this.msg.op_name = "";
}
}
return(msg);
}
public STC_MSG Login(STC_MSG msg)
{
this.msg = msg;
if (CheckRequest(this.msg))
{
if (msg.op_name == "authentifier")
{
this.msg = new CTRL_Auth().Exec(this.msg);
}
else
{
this.msg.op_info = "Operation invalid";
this.msg.op_statut = false;
this.msg.op_name = "";
}
}
return(this.msg);
}
public Decrypt()
{
this.msg = new STC_MSG();
}
private string GenerateXml(STC_MSG msg)
{
XmlDocument doc = new XmlDocument();
XmlNode docNode = doc.CreateXmlDeclaration("1.0", "UTF-8", "yes");
doc.AppendChild(docNode);
XmlNode msgNode = doc.CreateElement("stcMSG");
doc.AppendChild(msgNode);
// op_statut
XmlNode statutNode = doc.CreateElement("op_statut");
statutNode.AppendChild(doc.CreateTextNode(msg.op_statut.ToString()));
msgNode.AppendChild(statutNode);
// op_name
XmlNode opNameNode = doc.CreateElement("op_name");
opNameNode.AppendChild(doc.CreateTextNode(msg.op_name.ToString()));
msgNode.AppendChild(opNameNode);
//op_info
XmlNode infoNode = doc.CreateElement("op_info");
infoNode.AppendChild(doc.CreateTextNode(msg.op_info.ToString()));
msgNode.AppendChild(infoNode);
//app_name
XmlNode appNameNode = doc.CreateElement("app_name");
appNameNode.AppendChild(doc.CreateTextNode(msg.app_name.ToString()));
msgNode.AppendChild(appNameNode);
// app_version
XmlNode nameNode = doc.CreateElement("app_version");
nameNode.AppendChild(doc.CreateTextNode(msg.app_version.ToString()));
msgNode.AppendChild(nameNode);
// app_token
XmlNode appTokenNode = doc.CreateElement("app_token");
appTokenNode.AppendChild(doc.CreateTextNode(msg.app_token.ToString()));
msgNode.AppendChild(appTokenNode);
// user_login
XmlNode loginNode = doc.CreateElement("user_login");
loginNode.AppendChild(doc.CreateTextNode(msg.user_login.ToString()));
msgNode.AppendChild(loginNode);
// user_psw
XmlNode pwdNode = doc.CreateElement("user_psw");
pwdNode.AppendChild(doc.CreateTextNode(msg.user_psw.ToString()));
msgNode.AppendChild(pwdNode);
// user_token
XmlNode userTokenNode = doc.CreateElement("user_token");
userTokenNode.AppendChild(doc.CreateTextNode(msg.user_token.ToString()));
msgNode.AppendChild(userTokenNode);
// data
XmlNode dataNode = doc.CreateElement("data");
msgNode.AppendChild(dataNode);
if (msg.data != null)
{
// attributs
XmlNode fileNode = doc.CreateElement("file");
// Get name prop and value from the object
XmlNode fileNameAttribute = doc.CreateElement("name");
fileNameAttribute.AppendChild(doc.CreateTextNode(msg.data[0].ToString()));
fileNode.AppendChild(fileNameAttribute);
// Get text prop and value from the object
XmlNode fileTextAttribute = doc.CreateElement("text");
fileTextAttribute.AppendChild(doc.CreateTextNode(msg.data[2].ToString()));
fileNode.AppendChild(fileTextAttribute);
// Get text prop and value from the object
XmlNode fileKeyAttribute = doc.CreateElement("key");
fileKeyAttribute.AppendChild(doc.CreateTextNode(msg.data[3].ToString()));
fileNode.AppendChild(fileKeyAttribute);
dataNode.AppendChild(fileNode);
}
string xml = doc.InnerXml.ToString();
return(xml);
}
public CTRL_Auth()
{
this.msg = new STC_MSG();
this.db = new Database();
}
public bool CheckRequest(STC_MSG msg)
{
OperationContext context = OperationContext.Current;
MessageProperties msgProp = context.IncomingMessageProperties;
RemoteEndpointMessageProperty remoteProp = msgProp[RemoteEndpointMessageProperty.Name] as RemoteEndpointMessageProperty;
ServiceSecurityContext ssc = ServiceSecurityContext.Current;
Console.ForegroundColor = ConsoleColor.Blue;
Console.WriteLine("Demande entrente : " + "<" + ssc.WindowsIdentity.Name + ">" + ssc.WindowsIdentity.User);
Console.WriteLine("Adresse cliente : " + remoteProp.Address);
Console.WriteLine("Port client : " + remoteProp.Port);
Console.WriteLine("Détail du message ->");
Console.WriteLine("Application cliente : " + msg.app_name);
Console.WriteLine("Application token : " + msg.app_token);
Console.WriteLine("Application version : " + msg.app_version);
Console.WriteLine("Opération info : " + msg.op_info);
Console.WriteLine("Opération nom : " + msg.op_name);
Console.WriteLine("Opération statut : " + msg.op_statut);
Console.WriteLine("Utilisteur login : "******"Utilisteur password : "******"Utilisteur token : " + msg.user_token);
if (msg.data != null)
{
int i = msg.data.Length;
Console.WriteLine("Le message contient {0} donnée(s) spécifique(s)", i + 1);
}
else
{
Console.WriteLine("Le message ne contient pas de données spécifiques");
}
if (msg.app_token == "apptoken") // App token to change
{
if (msg.app_name == "Middleware") //tmp app_name
{
if (msg.app_version == "2.0") //tmp app_version
{
return(true);
}
else
{
this.msg.op_info = "App version invalid";
this.msg.op_statut = false;
this.msg.app_version = "";
}
}
else
{
this.msg.op_info = "This plateforme doesn't handle this application.";
this.msg.op_statut = false;
this.msg.app_name = "";
}
}
else
{
this.msg.op_info = "App token invalid";
this.msg.op_statut = false;
this.msg.app_token = "";
}
this.msg.data = null;
this.msg.op_name = "";
this.msg.user_login = "";
this.msg.user_psw = "";
this.msg.user_token = "";
return(false);
}
public Auth()
{
this.msg = new STC_MSG();
}
