private async Task <IActionResult> AuthnResponseAsync <T>(SamlUpParty party, Saml2Binding <T> binding)
{
var request = HttpContext.Request;
var samlConfig = await saml2ConfigurationLogic.GetSamlUpConfigAsync(party, includeSigningAndDecryptionCertificate : true);
var saml2AuthnResponse = new Saml2AuthnResponse(samlConfig);
try
{
binding.ReadSamlResponse(request.ToGenericHttpRequest(), saml2AuthnResponse);
}
catch (Exception ex)
{
if (samlConfig.SecondaryDecryptionCertificate != null && binding is Saml2PostBinding && ex.Source.Contains("cryptography", StringComparison.OrdinalIgnoreCase))
{
samlConfig.DecryptionCertificate = samlConfig.SecondaryDecryptionCertificate;
saml2AuthnResponse = new Saml2AuthnResponse(samlConfig);
binding.ReadSamlResponse(request.ToGenericHttpRequest(), saml2AuthnResponse);
logger.ScopeTrace(() => $"SAML Authn response decrypted with secondary certificate.", traceType: TraceTypes.Message);
}
else
{
throw;
}
}
if (binding.RelayState.IsNullOrEmpty())
{
throw new ArgumentNullException(nameof(binding.RelayState), binding.GetTypeName());
}
await sequenceLogic.ValidateExternalSequenceIdAsync(binding.RelayState);
var sequenceData = await sequenceLogic.GetSequenceDataAsync <SamlUpSequenceData>();
try
{
logger.ScopeTrace(() => $"SAML Authn response '{saml2AuthnResponse.XmlDocument.OuterXml}'.", traceType: TraceTypes.Message);
logger.SetScopeProperty(Constants.Logs.UpPartyStatus, saml2AuthnResponse.Status.ToString());
logger.ScopeTrace(() => "Up, SAML Authn response.", triggerEvent: true);
if (saml2AuthnResponse.Status != Saml2StatusCodes.Success)
{
throw new SamlRequestException("Unsuccessful Authn response.")
{
RouteBinding = RouteBinding, Status = saml2AuthnResponse.Status
};
}
try
{
binding.Unbind(request.ToGenericHttpRequest(), saml2AuthnResponse);
logger.ScopeTrace(() => "Up, Successful SAML Authn response.", triggerEvent: true);
}
catch (Exception ex)
{
var isex = saml2ConfigurationLogic.GetInvalidSignatureValidationCertificateException(samlConfig, ex);
if (isex != null)
{
throw isex;
}
throw;
}
if (saml2AuthnResponse.ClaimsIdentity?.Claims?.Count() <= 0)
{
throw new SamlRequestException("Empty claims collection.")
{
RouteBinding = RouteBinding, Status = Saml2StatusCodes.Responder
};
}
var claims = new List <Claim>(saml2AuthnResponse.ClaimsIdentity.Claims.Where(c => c.Type != ClaimTypes.NameIdentifier));
var nameIdClaim = GetNameIdClaim(party.Name, saml2AuthnResponse.ClaimsIdentity.Claims);
if (nameIdClaim != null)
{
claims.Add(nameIdClaim);
}
logger.ScopeTrace(() => $"Up, SAML Authn received SAML claims '{claims.ToFormattedString()}'", traceType: TraceTypes.Claim);
var externalSessionId = claims.FindFirstValue(c => c.Type == Saml2ClaimTypes.SessionIndex);
externalSessionId.ValidateMaxLength(IdentityConstants.MessageLength.SessionIdMax, nameof(externalSessionId), "Session index claim");
claims = claims.Where(c => c.Type != Saml2ClaimTypes.SessionIndex && c.Type != Constants.SamlClaimTypes.UpParty && c.Type != Constants.SamlClaimTypes.UpPartyType).ToList();
claims.AddClaim(Constants.SamlClaimTypes.UpParty, party.Name);
claims.AddClaim(Constants.SamlClaimTypes.UpPartyType, party.Type.ToString().ToLower());
var transformedClaims = await claimTransformLogic.Transform(party.ClaimTransforms?.ConvertAll(t => (ClaimTransform)t), claims);
var validClaims = ValidateClaims(party, transformedClaims);
logger.ScopeTrace(() => $"Up, SAML Authn output SAML claims '{validClaims.ToFormattedString()}'", traceType: TraceTypes.Claim);
var jwtValidClaims = await claimsDownLogic.FromSamlToJwtClaimsAsync(validClaims);
var sessionId = await sessionUpPartyLogic.CreateOrUpdateSessionAsync(party, party.DisableSingleLogout?null : sequenceData.DownPartyLink, jwtValidClaims, externalSessionId);
if (!sessionId.IsNullOrEmpty())
{
jwtValidClaims.AddClaim(JwtClaimTypes.SessionId, sessionId);
}
logger.ScopeTrace(() => $"Up, SAML Authn output JWT claims '{jwtValidClaims.ToFormattedString()}'", traceType: TraceTypes.Claim);
return(await AuthnResponseDownAsync(sequenceData, saml2AuthnResponse.Status, jwtValidClaims));
}
catch (StopSequenceException)
{
throw;
}
catch (SamlRequestException ex)
{
logger.Error(ex);
return(await AuthnResponseDownAsync(sequenceData, ex.Status));
}
catch (Exception ex)
{
logger.Error(ex);
return(await AuthnResponseDownAsync(sequenceData, Saml2StatusCodes.Responder));
}
}
private async Task <IActionResult> AuthnResponseAsync <T>(SamlUpParty party, Saml2Binding <T> binding)
{
var request = HttpContext.Request;
var samlConfig = saml2ConfigurationLogic.GetSamlUpConfig(party);
var saml2AuthnResponse = new Saml2AuthnResponse(samlConfig);
binding.ReadSamlResponse(request.ToGenericHttpRequest(), saml2AuthnResponse);
if (binding.RelayState.IsNullOrEmpty())
{
throw new ArgumentNullException(nameof(binding.RelayState), binding.GetTypeName());
}
await sequenceLogic.ValidateSequenceAsync(binding.RelayState);
var sequenceData = await sequenceLogic.GetSequenceDataAsync <SamlUpSequenceData>();
try
{
logger.ScopeTrace($"SAML Authn response '{saml2AuthnResponse.XmlDocument.OuterXml}'.");
logger.SetScopeProperty("upPartyStatus", saml2AuthnResponse.Status.ToString());
logger.ScopeTrace("Up, SAML Authn response.", triggerEvent: true);
if (saml2AuthnResponse.Status != Saml2StatusCodes.Success)
{
throw new SamlRequestException("Unsuccessful Authn response.")
{
RouteBinding = RouteBinding, Status = saml2AuthnResponse.Status
};
}
binding.Unbind(request.ToGenericHttpRequest(), saml2AuthnResponse);
logger.ScopeTrace("Up, Successful SAML Authn response.", triggerEvent: true);
if (saml2AuthnResponse.ClaimsIdentity?.Claims?.Count() <= 0)
{
throw new SamlRequestException("Empty claims collection.")
{
RouteBinding = RouteBinding, Status = Saml2StatusCodes.Responder
};
}
var claims = new List <Claim>(saml2AuthnResponse.ClaimsIdentity.Claims.Where(c => c.Type != ClaimTypes.NameIdentifier));
var nameIdClaim = GetNameIdClaim(party.Name, saml2AuthnResponse.ClaimsIdentity.Claims);
if (nameIdClaim != null)
{
claims.Add(nameIdClaim);
}
var externalSessionId = claims.FindFirstValue(c => c.Type == Saml2ClaimTypes.SessionIndex);
externalSessionId.ValidateMaxLength(IdentityConstants.MessageLength.SessionIdMax, nameof(externalSessionId), "Session index claim");
claims = claims.Where(c => c.Type != Saml2ClaimTypes.SessionIndex && c.Type != Constants.SamlClaimTypes.UpPary && c.Type != Constants.SamlClaimTypes.UpParyType).ToList();
claims.AddClaim(Constants.SamlClaimTypes.UpPary, party.Name);
claims.AddClaim(Constants.SamlClaimTypes.UpParyType, party.Type.ToString().ToLower());
var transformedClaims = await claimTransformationsLogic.Transform(party.ClaimTransforms?.ConvertAll(t => (ClaimTransform)t), claims);
var validClaims = ValidateClaims(party, transformedClaims);
var jwtValidClaims = await claimsDownLogic.FromSamlToJwtClaimsAsync(validClaims);
var sessionId = await sessionUpPartyLogic.CreateOrUpdateSessionAsync(party, party.DisableSingleLogout?null : sequenceData.DownPartyLink, jwtValidClaims, externalSessionId);
if (!sessionId.IsNullOrEmpty())
{
jwtValidClaims.AddClaim(JwtClaimTypes.SessionId, sessionId);
}
return(await AuthnResponseDownAsync(sequenceData, saml2AuthnResponse.Status, jwtValidClaims));
}
catch (StopSequenceException)
{
throw;
}
catch (SamlRequestException ex)
{
logger.Error(ex);
return(await AuthnResponseDownAsync(sequenceData, ex.Status));
}
catch (Exception ex)
{
logger.Error(ex);
return(await AuthnResponseDownAsync(sequenceData, Saml2StatusCodes.Responder));
}
}