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C# equivalent to the PHP authentication required for Redirection
using System;
using System.IO;
namespace AuthenticationRedirection
{
class Authentication
{
/**
* Example of use, in your code you can ignore this function
*/
static void Main(string[] args)
{
String login = "usuarioprueba";
String tranKey = "ABCD1234";
Authentication auth = new Authentication(login, tranKey);
// Example of the values to use. YOU NEED TO CHANGE FOR YOUR OWN LOGIN AND TRANKEY
System.Console.WriteLine("Login: " + auth.getLogin());
System.Console.WriteLine("TranKey: " + auth.getTranKey());
System.Console.WriteLine("Seed: " + auth.getSeed());
System.Console.WriteLine("Nonce: " + auth.getNonce());
// This is just a quick test, IGNORE IT
String nonce = "WmEyvut9GgvcMWrV";
String seed = "2016-08-30T16:21:35+00:00";
auth.setNonce(nonce).setSeed(seed);
if (auth.getTranKey().Equals("i/RFwSHAh8d7YgtO3HME5kCnYy8=") && auth.getNonce().Equals("V21FeXZ1dDlHZ3ZjTVdyVg=="))
{
System.Console.WriteLine("--- Quick test passed ---");
}
else
{
System.Console.WriteLine("--- Quick test FAILING ---");
}
Console.ReadLine();
}
String login;
String tranKey;
String seed;
String nonce;
public Authentication(String login, String tranKey)
{
this.login = login;
this.tranKey = tranKey;
Generate();
}
/**
* Invoque this function each time that you use this class to generate a WS call
* this will save the need to construct a new class every time
*/
public Authentication Generate()
{
nonce = (new Random()).GetHashCode().ToString();
seed = (DateTime.Now).ToString("yyyy-MM-ddTHH:mm:sszzz");
return this;
}
public String getLogin()
{
return this.login;
}
public String getTranKey()
{
return Base64(ToSha1(nonce + seed + tranKey));
}
public String getSeed()
{
return this.seed;
}
public String getNonce()
{
return Base64(nonce);
}
public Authentication setNonce(String nonce)
{
this.nonce = nonce;
return this;
}
public Authentication setSeed(String seed)
{
this.seed = seed;
return this;
}
static public String Base64(byte[] input)
{
return System.Convert.ToBase64String(input);
}
static public String Base64(String input)
{
if (input != null)
{
return System.Convert.ToBase64String(System.Text.Encoding.UTF8.GetBytes(input));
}
return "";
}
static public byte[] ToSha1(String text)
{
System.Security.Cryptography.SHA1 hashString = new System.Security.Cryptography.SHA1CryptoServiceProvider();
return hashString.ComputeHash(ToStream(text));
}
static public Stream ToStream(String text)
{
MemoryStream stream = new MemoryStream();
StreamWriter sw = new StreamWriter(stream);
sw.Write(text);
sw.Flush();
stream.Position = 0;
return stream;
}
}
}
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