protected virtual Task <TokenValidationResult> ValidateJwtAccessTokenAsync(string jwt)
{
var handler = new JwtSecurityTokenHandler();
handler.Configuration = new SecurityTokenHandlerConfiguration();
handler.Configuration.CertificateValidationMode = X509CertificateValidationMode.None;
handler.Configuration.CertificateValidator = X509CertificateValidator.None;
var parameters = new TokenValidationParameters
{
ValidIssuer = _settings.GetIssuerUri(),
SigningToken = new X509SecurityToken(_settings.GetSigningCertificate()),
AllowedAudience = string.Format(Constants.AccessTokenAudience, _settings.GetIssuerUri())
};
try
{
var id = handler.ValidateToken(jwt, parameters);
return(Task.FromResult(new TokenValidationResult
{
Claims = id.Claims
}));
}
catch (Exception ex)
{
_logger.ErrorFormat("JWT token validation error: {0}", ex.ToString());
return(Task.FromResult(new TokenValidationResult
{
IsError = true,
Error = Constants.ProtectedResourceErrors.InvalidToken
}));
}
}
public virtual async Task <Token> CreateIdentityTokenAsync(ClaimsPrincipal subject, Client client, IEnumerable <Scope> scopes, bool includeAllIdentityClaims, NameValueCollection request, string accessTokenToHash = null)
{
// host provided claims
var claims = new List <Claim>();
// if nonce was sent, must be mirrored in id token
var nonce = request.Get(Constants.AuthorizeRequest.Nonce);
if (nonce.IsPresent())
{
claims.Add(new Claim(Constants.ClaimTypes.Nonce, nonce));
}
// add iat claim
claims.Add(new Claim(Constants.ClaimTypes.IssuedAt, DateTime.UtcNow.ToEpochTime().ToString(), ClaimValueTypes.Integer));
// add at_hash claim
if (accessTokenToHash.IsPresent())
{
claims.Add(new Claim(Constants.ClaimTypes.AccessTokenHash, HashAccessToken(accessTokenToHash)));
}
claims.AddRange(await _claimsProvider.GetIdentityTokenClaimsAsync(
subject,
client,
scopes,
_settings,
includeAllIdentityClaims,
_users,
request));
var token = new Token(Constants.TokenTypes.IdentityToken)
{
Audience = client.ClientId,
Issuer = _settings.GetIssuerUri(),
Lifetime = client.IdentityTokenLifetime,
Claims = claims.Distinct(new ClaimComparer()).ToList(),
Client = client
};
return(token);
}
public async Task <dynamic> GetConfiguration()
{
var baseUrl = Request.GetBaseUrl(_settings.GetPublicHost());
var scopes = await _settings.GetScopesAsync();
return(new
{
issuer = _settings.GetIssuerUri(),
jwks_uri = baseUrl + ".well-known/jwks",
authorization_endpoint = baseUrl + "connect/authorize",
token_endpoint = baseUrl + "connect/token",
userinfo_endpoint = baseUrl + "connect/userinfo",
end_session_endpoint = baseUrl + "connect/logout",
scopes_supported = scopes.Select(s => s.Name),
response_types_supported = Constants.SupportedResponseTypes,
response_modes_supported = Constants.SupportedResponseModes,
grant_types_supported = Constants.SupportedGrantTypes,
subject_types_support = new string[] { "pairwise", "public" },
id_token_signing_alg_values_supported = "RS256"
});
}
