public static Config decodeConfig(string data)
{
Config c = new Config();
data = data.Replace("\"", "");
data = data.Replace("{", "");
data = data.Replace("}", "");
string[] fields = data.Split(',');
foreach (string field in fields)
{
string[] info = field.Split(':');
if (info[0].Equals("TSL"))
{
c.threadSleep = Convert.ToInt32(info[1]);
}
else if (info[0].Equals("GTW"))
{
c.consultGateway = info[1]+":"+info[2];
c.consultGateway = c.consultGateway.Replace("\\","");
}
else if (info[0].Equals("LMD"))
{
c.lastModified = Convert.ToDouble(info[1]);
}
}
return c;
}
public string getConfigs(string token)
{
string status = "OK";
string json = JSON.getConfigUpdate(token);
string key = Cryptography.randomString(32);
string iv = Cryptography.randomString(32);
string encryptedContent = Cryptography.encryptRJ256(json, key, iv);
string sendData = encryptedContent + key + iv;
Dictionary<string, string> data = new Dictionary<string, string>();
data.Add("CTT", sendData);
string webResponse = HttpComm.httpPostData(data, this.consultGateway);
if (webResponse.Length <= 6)
{
status = HttpComm.treatHttpError(webResponse, "CCF");
}
else
{
string encryptedData = "";
string decodeKey = webResponse.Substring(0, 32);
string decodeIv = webResponse.Substring(webResponse.Length - 32);
int keyIndex = webResponse.IndexOf(decodeKey);
encryptedData = webResponse.Remove(keyIndex, decodeKey.Length);
int ivIndex = encryptedData.IndexOf(decodeIv);
encryptedData = encryptedData.Remove(ivIndex, decodeIv.Length);
string configData = Cryptography.decryptRJ256(encryptedData, decodeKey, decodeIv);
Config c = new Config();
c = JSON.decodeConfig(configData);
if(c.lastModified > this.lastModified)
{
this.consultGateway = c.consultGateway;
this.threadSleep = c.threadSleep;
this.lastModified = c.lastModified;
try
{
this.saveConfigs();
}
catch(Exception e)
{
status = "Impossível salvar as configurações";
}
}
}
return status;
}
private void proccessLogin()
{
this.configs = new Config();
this.updateDialogLabel("Carregando configurações");
string status = this.configs.loadConfigs();
if (status.Equals("OK"))
{
this.httpFunc = "LGN";
if (loginErrorLabel.InvokeRequired)
{
loginErrorLabel.Invoke(new MethodInvoker(delegate { loginErrorLabel.Text = "Autenticando usuário"; }));
}
string user = username.Text;
string pass = password.Text;
byte[] keyBytes = Encoding.UTF8.GetBytes(this.hashKey);
byte[] passBytes = Encoding.UTF8.GetBytes(pass);
var md5 = new HMACMD5(keyBytes);
byte[] hashedBytesPass = md5.ComputeHash(passBytes);
string md5Pass = BitConverter.ToString(hashedBytesPass).Replace("-", "").ToLower();
Dictionary<string, string> fields = new Dictionary<string, string>();
fields.Add("FNC", this.httpFunc);
fields.Add("USR", user);
fields.Add("PWD", md5Pass);
string json = this.generateJson(fields);
string randomKey = Cryptography.randomString(32);
string randomIV = Cryptography.randomString(32);
string encryptedData = Cryptography.encryptRJ256(json, randomKey, randomIV);
encryptedData += randomKey;
encryptedData += randomIV;
Dictionary<string, string> sendData = new Dictionary<string, string>();
sendData.Add("CTT", encryptedData);
string webResponse = HttpComm.httpPostData(sendData, this.configs.consultGateway);
if (webResponse.Length <= 6)
{
string message = HttpComm.treatHttpError(webResponse, this.httpFunc);
this.updateDialogLabel(message);
}
else
{
this.performLogin(webResponse);
}
}
else
{
this.updateDialogLabel(status);
}
}