public async Task <IActionResult> EndSessionResponseAsync(string partyId)
{
logger.ScopeTrace(() => "Down, End session response.");
logger.SetScopeProperty(Constants.Logs.DownPartyId, partyId);
var sequenceData = await sequenceLogic.GetSequenceDataAsync <OidcDownSequenceData>(false);
var rpInitiatedLogoutResponse = new RpInitiatedLogoutResponse
{
State = sequenceData.State,
};
logger.ScopeTrace(() => $"End session response '{rpInitiatedLogoutResponse.ToJsonIndented()}'.", traceType: TraceTypes.Message);
var nameValueCollection = rpInitiatedLogoutResponse.ToDictionary();
logger.ScopeTrace(() => $"Redirect Uri '{sequenceData.RedirectUri}'.");
logger.ScopeTrace(() => "Down, OIDC End session response.", triggerEvent: true);
await sequenceLogic.RemoveSequenceDataAsync <OidcDownSequenceData>();
if (sequenceData.RestrictFormAction)
{
securityHeaderLogic.AddFormAction(sequenceData.RedirectUri);
}
else
{
securityHeaderLogic.AddFormActionAllowAll();
}
return(await nameValueCollection.ToRedirectResultAsync(sequenceData.RedirectUri));
}
public async Task <IActionResult> EndSessionRequestAsync(string partyId)
{
logger.ScopeTrace("Up, OIDC End session request.");
var oidcUpSequenceData = await sequenceLogic.GetSequenceDataAsync <OidcUpSequenceData>(remove : false);
if (!oidcUpSequenceData.UpPartyId.Equals(partyId, StringComparison.Ordinal))
{
throw new Exception("Invalid up-party id.");
}
logger.SetScopeProperty("upPartyId", oidcUpSequenceData.UpPartyId);
var party = await tenantRepository.GetAsync <OidcUpParty>(oidcUpSequenceData.UpPartyId);
logger.SetScopeProperty("upPartyClientId", party.Client.ClientId);
ValidatePartyLogoutSupport(party);
var postLogoutRedirectUrl = HttpContext.GetUpPartyUrl(party.Name, Constants.Routes.OAuthController, Constants.Endpoints.EndSessionResponse, partyBindingPattern: party.PartyBindingPattern);
var rpInitiatedLogoutRequest = new RpInitiatedLogoutRequest
{
PostLogoutRedirectUri = postLogoutRedirectUrl,
State = SequenceString
};
var session = await sessionUpPartyLogic.GetSessionAsync(party);
if (session != null)
{
try
{
if (!oidcUpSequenceData.SessionId.Equals(session.SessionId, StringComparison.Ordinal))
{
throw new Exception("Requested session ID do not match up-party session ID.");
}
}
catch (Exception ex)
{
logger.Warning(ex);
}
rpInitiatedLogoutRequest.IdTokenHint = session.IdToken;
oidcUpSequenceData.SessionDownPartyLinks = session.DownPartyLinks;
oidcUpSequenceData.SessionClaims = session.Claims;
await sequenceLogic.SaveSequenceDataAsync(oidcUpSequenceData);
}
logger.ScopeTrace($"Up, End session request '{rpInitiatedLogoutRequest.ToJsonIndented()}'.");
_ = await sessionUpPartyLogic.DeleteSessionAsync(session);
await oauthRefreshTokenGrantLogic.DeleteRefreshTokenGrantsAsync(oidcUpSequenceData.SessionId);
securityHeaderLogic.AddFormActionAllowAll();
var nameValueCollection = rpInitiatedLogoutRequest.ToDictionary();
logger.ScopeTrace($"Up, End session request URL '{party.Client.EndSessionUrl}'.");
logger.ScopeTrace("Up, Sending OIDC End session request.", triggerEvent: true);
return(await nameValueCollection.ToRedirectResultAsync(party.Client.EndSessionUrl));
}
public async Task <IActionResult> AuthenticationResponseAsync(string partyId, List <Claim> claims)
{
logger.ScopeTrace(() => "Down, OIDC Authentication response.");
logger.SetScopeProperty(Constants.Logs.DownPartyId, partyId);
var party = await tenantRepository.GetAsync <TParty>(partyId);
if (party.Client == null)
{
throw new NotSupportedException("Party Client not configured.");
}
var sequenceData = await sequenceLogic.GetSequenceDataAsync <OidcDownSequenceData>(false);
logger.ScopeTrace(() => $"Down, OIDC received JWT claims '{claims.ToFormattedString()}'", traceType: TraceTypes.Claim);
claims = await claimTransformLogic.Transform(party.ClaimTransforms?.ConvertAll(t => (ClaimTransform)t), claims);
logger.ScopeTrace(() => $"Down, OIDC output JWT claims '{claims.ToFormattedString()}'", traceType: TraceTypes.Claim);
var nameValueCollection = await CreateAuthenticationAndSessionResponse(party, claims, sequenceData);
var responseMode = GetResponseMode(sequenceData.ResponseMode, sequenceData.ResponseType);
await sequenceLogic.RemoveSequenceDataAsync <OidcDownSequenceData>();
if (party.RestrictFormAction)
{
securityHeaderLogic.AddFormAction(sequenceData.RedirectUri);
}
else
{
securityHeaderLogic.AddFormActionAllowAll();
}
switch (responseMode)
{
case IdentityConstants.ResponseModes.FormPost:
return(await nameValueCollection.ToHtmlPostContentResultAsync(sequenceData.RedirectUri));
case IdentityConstants.ResponseModes.Query:
return(await nameValueCollection.ToRedirectResultAsync(sequenceData.RedirectUri));
case IdentityConstants.ResponseModes.Fragment:
return(await nameValueCollection.ToFragmentResultAsync(sequenceData.RedirectUri));
default:
throw new NotSupportedException();
}
}
private async Task <IActionResult> LogoutResponseAsync <T>(SamlDownParty party, Saml2Configuration samlConfig, string inResponseTo, string relayState, Saml2Binding <T> binding, Saml2StatusCodes status, string sessionIndex)
{
binding.RelayState = relayState;
var saml2LogoutResponse = new Saml2LogoutResponse(samlConfig)
{
InResponseTo = new Saml2Id(inResponseTo),
Status = status,
Destination = new Uri(party.LoggedOutUrl),
SessionIndex = sessionIndex
};
binding.Bind(saml2LogoutResponse);
logger.ScopeTrace(() => $"SAML Logout response '{saml2LogoutResponse.XmlDocument.OuterXml}'.", traceType: TraceTypes.Message);
logger.ScopeTrace(() => $"Logged out URL '{party.LoggedOutUrl}'.");
logger.ScopeTrace(() => "Down, SAML Logout response.", triggerEvent: true);
await sequenceLogic.RemoveSequenceDataAsync <SamlDownSequenceData>();
if (party.RestrictFormAction)
{
securityHeaderLogic.AddFormAction(party.LoggedOutUrl);
}
else
{
securityHeaderLogic.AddFormActionAllowAll();
}
if (binding is Saml2Binding <Saml2RedirectBinding> )
{
return(await(binding as Saml2RedirectBinding).ToActionFormResultAsync());
}
if (binding is Saml2Binding <Saml2PostBinding> )
{
return(await(binding as Saml2PostBinding).ToActionFormResultAsync());
}
else
{
throw new NotSupportedException();
}
}
private async Task <IActionResult> AuthnRequestAsync <T>(SamlUpParty party, Saml2Binding <T> binding, SamlUpSequenceData samlUpSequenceData)
{
var samlConfig = await saml2ConfigurationLogic.GetSamlUpConfigAsync(party, includeSigningAndDecryptionCertificate : true);
binding.RelayState = await sequenceLogic.CreateExternalSequenceIdAsync();
var saml2AuthnRequest = new Saml2AuthnRequest(samlConfig);
switch (samlUpSequenceData.LoginAction)
{
case LoginAction.ReadSession:
saml2AuthnRequest.IsPassive = true;
break;
case LoginAction.RequireLogin:
saml2AuthnRequest.ForceAuthn = true;
break;
default:
break;
}
if (party.AuthnContextClassReferences?.Count() > 0)
{
saml2AuthnRequest.RequestedAuthnContext = new RequestedAuthnContext
{
Comparison = party.AuthnContextComparison.HasValue ? (AuthnContextComparisonTypes)Enum.Parse(typeof(AuthnContextComparisonTypes), party.AuthnContextComparison.Value.ToString()) : null,
AuthnContextClassRef = party.AuthnContextClassReferences,
};
}
binding.Bind(saml2AuthnRequest);
logger.ScopeTrace(() => $"SAML Authn request '{saml2AuthnRequest.XmlDocument.OuterXml}'.", traceType: TraceTypes.Message);
logger.ScopeTrace(() => $"Authn URL '{samlConfig.SingleSignOnDestination?.OriginalString}'.");
logger.ScopeTrace(() => "Up, Sending SAML Authn request.", triggerEvent: true);
securityHeaderLogic.AddFormActionAllowAll();
if (binding is Saml2Binding <Saml2RedirectBinding> )
{
return(await(binding as Saml2RedirectBinding).ToActionFormResultAsync());
}
else if (binding is Saml2Binding <Saml2PostBinding> )
{
return(await(binding as Saml2PostBinding).ToActionFormResultAsync());
}
else
{
throw new NotSupportedException();
}
}
private async Task <IActionResult> AuthnRequestAsync <T>(SamlUpParty party, Saml2Binding <T> binding, SamlUpSequenceData samlUpSequenceData)
{
var samlConfig = saml2ConfigurationLogic.GetSamlUpConfig(party);
binding.RelayState = SequenceString;
var saml2AuthnRequest = new Saml2AuthnRequest(samlConfig);
switch (samlUpSequenceData.LoginAction)
{
case LoginAction.ReadSession:
saml2AuthnRequest.IsPassive = true;
break;
case LoginAction.RequireLogin:
saml2AuthnRequest.ForceAuthn = true;
break;
default:
break;
}
binding.Bind(saml2AuthnRequest);
logger.ScopeTrace($"SAML Authn request '{saml2AuthnRequest.XmlDocument.OuterXml}'.");
logger.ScopeTrace($"Authn URL '{samlConfig.SingleSignOnDestination?.OriginalString}'.");
logger.ScopeTrace("Up, Sending SAML Authn request.", triggerEvent: true);
securityHeaderLogic.AddFormActionAllowAll();
if (binding is Saml2Binding <Saml2RedirectBinding> )
{
return(await(binding as Saml2RedirectBinding).ToActionFormResultAsync());
}
else if (binding is Saml2Binding <Saml2PostBinding> )
{
return(await(binding as Saml2PostBinding).ToActionFormResultAsync());
}
else
{
throw new NotSupportedException();
}
}
public async Task <IActionResult> AuthenticationRequestAsync(string partyId)
{
logger.ScopeTrace(() => "Up, OIDC Authentication request.");
var oidcUpSequenceData = await sequenceLogic.GetSequenceDataAsync <OidcUpSequenceData>(remove : false);
if (!oidcUpSequenceData.UpPartyId.Equals(partyId, StringComparison.Ordinal))
{
throw new Exception("Invalid up-party id.");
}
logger.SetScopeProperty(Constants.Logs.UpPartyId, oidcUpSequenceData.UpPartyId);
var party = await tenantRepository.GetAsync <TParty>(oidcUpSequenceData.UpPartyId);
logger.SetScopeProperty(Constants.Logs.UpPartyClientId, party.Client.ClientId);
await oidcDiscoveryReadUpLogic.CheckOidcDiscoveryAndUpdatePartyAsync(party);
var nonce = RandomGenerator.GenerateNonce();
var loginCallBackUrl = HttpContext.GetUpPartyUrl(party.Name, Constants.Routes.OAuthController, Constants.Endpoints.AuthorizationResponse, partyBindingPattern: party.PartyBindingPattern);
oidcUpSequenceData.ClientId = !party.Client.SpClientId.IsNullOrWhiteSpace() ? party.Client.SpClientId : party.Client.ClientId;
oidcUpSequenceData.RedirectUri = loginCallBackUrl;
oidcUpSequenceData.Nonce = nonce;
if (party.Client.EnablePkce)
{
var codeVerifier = RandomGenerator.Generate(64);
oidcUpSequenceData.CodeVerifier = codeVerifier;
}
await sequenceLogic.SaveSequenceDataAsync(oidcUpSequenceData);
var authenticationRequest = new AuthenticationRequest
{
ClientId = oidcUpSequenceData.ClientId,
ResponseMode = party.Client.ResponseMode,
ResponseType = party.Client.ResponseType,
RedirectUri = loginCallBackUrl,
Nonce = nonce,
State = await sequenceLogic.CreateExternalSequenceIdAsync()
};
switch (oidcUpSequenceData.LoginAction)
{
case LoginAction.ReadSession:
authenticationRequest.Prompt = IdentityConstants.AuthorizationServerPrompt.None;
break;
case LoginAction.RequireLogin:
authenticationRequest.Prompt = IdentityConstants.AuthorizationServerPrompt.Login;
break;
default:
break;
}
if (oidcUpSequenceData.MaxAge.HasValue)
{
authenticationRequest.MaxAge = oidcUpSequenceData.MaxAge;
}
if (!oidcUpSequenceData.UserId.IsNullOrEmpty())
{
authenticationRequest.LoginHint = oidcUpSequenceData.UserId;
}
authenticationRequest.Scope = new[] { IdentityConstants.DefaultOidcScopes.OpenId }.ConcatOnce(party.Client.Scopes).ToSpaceList();
//TODO add AcrValues
//authenticationRequest.AcrValues = "urn:federation:authentication:windows";
logger.ScopeTrace(() => $"Up, Authentication request '{authenticationRequest.ToJsonIndented()}'.", traceType: TraceTypes.Message);
var nameValueCollection = authenticationRequest.ToDictionary();
if (party.Client.EnablePkce)
{
var codeChallengeRequest = new CodeChallengeSecret
{
CodeChallenge = await oidcUpSequenceData.CodeVerifier.Sha256HashBase64urlEncodedAsync(),
CodeChallengeMethod = IdentityConstants.CodeChallengeMethods.S256,
};
logger.ScopeTrace(() => $"Up, CodeChallengeSecret request '{codeChallengeRequest.ToJsonIndented()}'.", traceType: TraceTypes.Message);
nameValueCollection = nameValueCollection.AddToDictionary(codeChallengeRequest);
}
securityHeaderLogic.AddFormActionAllowAll();
logger.ScopeTrace(() => $"Up, Authentication request URL '{party.Client.AuthorizeUrl}'.");
logger.ScopeTrace(() => "Up, Sending OIDC Authentication request.", triggerEvent: true);
return(await nameValueCollection.ToRedirectResultAsync(party.Client.AuthorizeUrl));
}
private async Task <IActionResult> LogoutRequestAsync <T>(SamlUpParty party, Saml2Binding <T> binding, SamlUpSequenceData samlUpSequenceData)
{
var samlConfig = await saml2ConfigurationLogic.GetSamlUpConfigAsync(party, includeSigningAndDecryptionCertificate : true);
binding.RelayState = await sequenceLogic.CreateExternalSequenceIdAsync();
var saml2LogoutRequest = new Saml2LogoutRequest(samlConfig);
var session = await sessionUpPartyLogic.GetSessionAsync(party);
if (session == null)
{
return(await LogoutResponseDownAsync(samlUpSequenceData));
}
try
{
if (!samlUpSequenceData.SessionId.Equals(session.SessionId, StringComparison.Ordinal))
{
throw new Exception("Requested session ID do not match up-party session ID.");
}
}
catch (Exception ex)
{
logger.Warning(ex);
}
saml2LogoutRequest.SessionIndex = session.ExternalSessionId;
samlUpSequenceData.SessionDownPartyLinks = session.DownPartyLinks;
samlUpSequenceData.SessionClaims = session.Claims;
await sequenceLogic.SaveSequenceDataAsync(samlUpSequenceData);
var jwtClaims = samlUpSequenceData.SessionClaims.ToClaimList();
var nameID = jwtClaims?.Where(c => c.Type == JwtClaimTypes.Subject).Select(c => c.Value).FirstOrDefault();
var nameIdFormat = jwtClaims?.Where(c => c.Type == Constants.JwtClaimTypes.SubFormat).Select(c => c.Value).FirstOrDefault();
if (!nameID.IsNullOrEmpty())
{
var prePartyName = $"{party.Name}|";
if (nameID.StartsWith(prePartyName, StringComparison.Ordinal))
{
nameID = nameID.Remove(0, prePartyName.Length);
}
if (nameIdFormat.IsNullOrEmpty())
{
saml2LogoutRequest.NameId = new Saml2NameIdentifier(nameID);
}
else
{
saml2LogoutRequest.NameId = new Saml2NameIdentifier(nameID, new Uri(nameIdFormat));
}
}
binding.Bind(saml2LogoutRequest);
logger.ScopeTrace(() => $"SAML Logout request '{saml2LogoutRequest.XmlDocument.OuterXml}'.", traceType: TraceTypes.Message);
logger.ScopeTrace(() => $"Logout URL '{samlConfig.SingleLogoutDestination?.OriginalString}'.");
logger.ScopeTrace(() => "Up, SAML Logout request.", triggerEvent: true);
_ = await sessionUpPartyLogic.DeleteSessionAsync(party, session);
await oauthRefreshTokenGrantLogic.DeleteRefreshTokenGrantsAsync(samlUpSequenceData.SessionId);
securityHeaderLogic.AddFormActionAllowAll();
if (binding is Saml2Binding <Saml2RedirectBinding> )
{
return(await(binding as Saml2RedirectBinding).ToActionFormResultAsync());
}
else if (binding is Saml2Binding <Saml2PostBinding> )
{
return(await(binding as Saml2PostBinding).ToActionFormResultAsync());
}
else
{
throw new NotSupportedException();
}
}
private async Task <IActionResult> AuthnResponseAsync <T>(SamlDownParty party, Saml2Configuration samlConfig, string inResponseTo, string relayState, string acsUrl, Saml2Binding <T> binding, Saml2StatusCodes status, IEnumerable <Claim> claims)
{
binding.RelayState = relayState;
var saml2AuthnResponse = new FoxIDsSaml2AuthnResponse(settings, samlConfig)
{
InResponseTo = new Saml2Id(inResponseTo),
Status = status,
Destination = new Uri(acsUrl),
};
if (status == Saml2StatusCodes.Success && party != null && claims != null)
{
logger.ScopeTrace(() => $"Down, SAML Authn received SAML claims '{claims.ToFormattedString()}'", traceType: TraceTypes.Claim);
claims = await claimTransformLogic.Transform(party.ClaimTransforms?.ConvertAll(t => (ClaimTransform)t), claims);
logger.ScopeTrace(() => $"Down, SAML Authn output SAML claims '{claims.ToFormattedString()}'", traceType: TraceTypes.Claim);
saml2AuthnResponse.SessionIndex = samlClaimsDownLogic.GetSessionIndex(claims);
saml2AuthnResponse.NameId = samlClaimsDownLogic.GetNameId(claims);
var tokenIssueTime = DateTimeOffset.UtcNow;
var tokenDescriptor = saml2AuthnResponse.CreateTokenDescriptor(samlClaimsDownLogic.GetSubjectClaims(party, claims), party.Issuer, tokenIssueTime, party.IssuedTokenLifetime);
var authnContext = claims.FindFirstValue(c => c.Type == ClaimTypes.AuthenticationMethod);
var authenticationInstant = claims.FindFirstValue(c => c.Type == ClaimTypes.AuthenticationInstant);
var authenticationStatement = saml2AuthnResponse.CreateAuthenticationStatement(authnContext, DateTime.Parse(authenticationInstant));
var subjectConfirmation = saml2AuthnResponse.CreateSubjectConfirmation(tokenIssueTime, party.SubjectConfirmationLifetime);
await saml2AuthnResponse.CreateSecurityTokenAsync(tokenDescriptor, authenticationStatement, subjectConfirmation);
}
binding.Bind(saml2AuthnResponse);
logger.ScopeTrace(() => $"SAML Authn response '{saml2AuthnResponse.XmlDocument.OuterXml}'.", traceType: TraceTypes.Message);
logger.ScopeTrace(() => $"ACS URL '{acsUrl}'.");
logger.ScopeTrace(() => "Down, SAML Authn response.", triggerEvent: true);
await sequenceLogic.RemoveSequenceDataAsync <SamlDownSequenceData>();
if (party.RestrictFormAction)
{
securityHeaderLogic.AddFormAction(acsUrl);
}
else
{
securityHeaderLogic.AddFormActionAllowAll();
}
if (binding is Saml2Binding <Saml2RedirectBinding> )
{
return(await(binding as Saml2RedirectBinding).ToActionFormResultAsync());
}
else if (binding is Saml2Binding <Saml2PostBinding> )
{
return(await(binding as Saml2PostBinding).ToActionFormResultAsync());
}
else
{
throw new NotSupportedException();
}
}