Suomi.fi e-identification client for .NET
Depends on Sustainsys.Saml2.AspNetCore2.
Note: The client was created for a specific use case and is provided "as is". Pull requests and suggestions for generalizing the usage are welcome.
- Targets .NET Standard 2.1, see other release branches for 2.0 support
- Only HTTP Redirect binding is supported.
- Supports new AES-GCM encryption algorithm
- Supports 2 Idp certificates
- Supports 2 Service certificates
First make sure SamlConfig is configured, for example in appsettings.json (replace ENTITYID and CERTIFICATE_NAME as necessary):
You can also add a secondary Idp certificate when You know that the Idp is about to change their signing certificate. The configuration also supports 2 service certificates.
"Saml": {
"Saml2EntityId": "ENTITYID",
"Saml2SSOUrl": "https://testi.apro.tunnistus.fi/idp/profile/SAML2/Redirect/SSO",
"Saml2SLOUrl": "https://testi.apro.tunnistus.fi/idp/profile/SAML2/Redirect/SLO",
"Saml2IdpEntityId": "https://testi.apro.tunnistus.fi/idp1",
"Saml2IdpCertificate": "apro-test.cer",
"Saml2SecondaryIdpCertificate": "",
"Saml2Certificate": "CERTIFICATE_NAME",
"Saml2SecondaryCertificate": "",
"Saml2CertificateStoreLocation": "CurrentUser"
},Add your certificate to certificate manager, for example Current user -> Personal -> Certificates. Make sure the private key is exportable. When using the standard certificate store, CERTIFICATE_NAME above must match certificate friendly name. The certificate store loading can be customized by replacing it with your own implementation of the ICertificateStore interface.
In Startup.cs:
public void ConfigureServices(IServiceCollection services) {
// ...
services.Configure<SamlConfig>(Configuration.GetSection("Saml"));
services.AddOptions();
services.AddScoped<ICertificateStore>(x => new CertificateStore(x.GetService<IOptions<SamlConfig>>().Value));
services.AddSuomiFiIdentificationClient();
}In your controller (for example SuomiFiIdentificationController):
[AllowAnonymous]
[HttpGet("authenticate")]
public ActionResult AuthenticateWithSaml(Saml2Action samlAction, string language = "") {
var returnUrl = "http://example.com/ACSPost";
var redirectUrl = client.Authenticate(returnUrl, language, new RelayState(Saml2Action.Register, string.Empty, language));
return new RedirectResult(redirectUrl);
}
[HttpPost("ACSPost")]
public async Task<ActionResult> ACSPost(string samlResponse, string relayState = "") {
var errorUrl = "/#/login?error=true";
var saml2Response = validator.Validate(samlResponse, true);
if (!saml2Response.Success) {
return new RedirectResult(errorUrl);
}
var parsedState = RelayState.Parse(relayState);
// Log in user, store session claims etc.
}
[HttpGet("logout")]
public async Task<ActionResult> Logout() {
// Fetch stored session claims to end session properly
var sessionNameIdentifier = "";
var sessionIndex = "";
await HttpContext.SignOutAsync();
var redirectUrl = client.Logout(sessionNameIdentifier, sessionIndex);
return new RedirectResult(redirectUrl);
}
[HttpGet("SLORedirect")]
public ActionResult SLORedirect(string samlResponse) {
authStateAccessor.Delete();
return new RedirectResult("/");
}
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