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Fix TLS 1.2 for CAS backchannel ticket validation #13

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Fix TLS 1.2 for CAS backchannel ticket validation #13

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e31a946
Initial plan
Copilot Dec 2, 2025
d6d6511
Update CasMvc.cs to use TLS 1.2 for CAS server communication
Copilot Dec 2, 2025
2041b86
Remove nuget.exe from git tracking and add to gitignore
Copilot Dec 2, 2025
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1 change: 1 addition & 0 deletions .gitignore
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Original file line number Diff line number Diff line change
Expand Up @@ -80,6 +80,7 @@ publish

# NuGet Packages Directory
packages
.nuget/nuget.exe

# Windows Azure Build Output
csx
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28 changes: 16 additions & 12 deletions DataDictionary/Helpers/CasMvc.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -80,22 +80,26 @@ public static ActionResult Login()
if (!string.IsNullOrEmpty(ticket))
{
// validate ticket against cas
var sr = new StreamReader(new WebClient().OpenRead(StrCasUrl + "validate?ticket=" + ticket + "&service=" + service));

// parse text file
if (sr.ReadLine() == "yes")
// Ensure TLS 1.2 is used for the HTTPS connection to the CAS server
ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12;
using (var webClient = new WebClient())
using (var sr = new StreamReader(webClient.OpenRead(StrCasUrl + "validate?ticket=" + ticket + "&service=" + service)))
{
// get kerberos id
string kerberos = sr.ReadLine();
// parse text file
if (sr.ReadLine() == "yes")
{
// get kerberos id
string kerberos = sr.ReadLine();

// set forms authentication ticket
FormsAuthentication.SetAuthCookie(kerberos, false);
// set forms authentication ticket
FormsAuthentication.SetAuthCookie(kerberos, false);

string returnUrl = GetReturnUrl();
string returnUrl = GetReturnUrl();

return !string.IsNullOrEmpty(returnUrl)
? new RedirectResult(returnUrl)
: new RedirectResult(FormsAuthentication.DefaultUrl);
return !string.IsNullOrEmpty(returnUrl)
? new RedirectResult(returnUrl)
: new RedirectResult(FormsAuthentication.DefaultUrl);
}
}
}

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