Created
May 17, 2012 11:08
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SSO Login for Freshdesk support portal - ASP.Net C# Sample Code
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protected void Page_Load(object sender, EventArgs e) | |
{ | |
string url = GetSsoUrl(ConfigurationManager.AppSettings["FreshDesk.BaseUrl"], //including trailing slash | |
ConfigurationManager.AppSettings["FreshDesk.Secert"], user.UserName, user.Email); | |
Response.Redirect(url); | |
} | |
string GetSsoUrl(string baseUrl, string secert, string name, string email) | |
{ | |
return String.Format("{0}login/sso/?name={1}&email={2}&hash={3}", baseUrl, Server.UrlEncode(name), | |
Server.UrlEncode(email), GetHash(secert, name, email)); | |
} | |
static string GetHash(string secert, string name, string email) | |
{ | |
string input = name + email + secert; | |
MD5 md5 = System.Security.Cryptography.MD5.Create(); | |
byte[] inputBytes = System.Text.Encoding.ASCII.GetBytes(input); | |
byte[] hash = md5.ComputeHash(inputBytes); | |
StringBuilder sb = new StringBuilder(); | |
foreach (byte b in hash) | |
{ | |
string hexValue = b.ToString("X").ToLower(); // Lowercase for compatibility on case-sensitive systems | |
sb.Append((hexValue.Length == 1 ? "0" : "") + hexValue); | |
} | |
return sb.ToString(); | |
} |
I had some Encoding trouble with European Culture and Special Characters.
Here is a "Global" working version of @GrahamEHughes Code.
There are two Changes:
- Usage of Encoding.UTF8 instead of Encoding.Default in GetHash
private static string GetHash(string secret, string name, string email, string timems)
{
var input = name + secret + email + timems;
var keybytes = Encoding.UTF8.GetBytes(secret);
var inputBytes = Encoding.UTF8.GetBytes(input);
var crypto = new HMACMD5(keybytes);
var hash = crypto.ComputeHash(inputBytes);
return hash.Select(b => b.ToString("x2"))
.Aggregate(new StringBuilder(),
(current, next) => current.Append(next),
current => current.ToString());
}
- Change of datetime Calculation:
string timems = DateTimeOffset.UtcNow.ToUnixTimeSeconds().ToString();
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in python
http://www.abhiy.com/single-sign-on-remote-authentication-in-freshdesk-by-python/