string Thumbprint(string kty, string e, string n)
{
return(Base64Url.Encode(Util.Sha256Hash(Encoding.ASCII.GetBytes(
$"{{\"e\":\"{e}\",\"kty\":\"{kty}\",\"n\":\"{n}\"}}"))));
}
public void SetSignature(byte[] signature)
{
Signature = Base64Url.Encode(signature);
}
/// <summary>
/// Creates the JWK document.
/// </summary>
public virtual async Task <IEnumerable <Models.JsonWebKey> > CreateJwkDocumentAsync()
{
var webKeys = new List <Models.JsonWebKey>();
foreach (var key in await Keys.GetValidationKeysAsync())
{
if (key.Key is X509SecurityKey x509Key)
{
var cert64 = Convert.ToBase64String(x509Key.Certificate.RawData);
var thumbprint = Base64Url.Encode(x509Key.Certificate.GetCertHash());
if (x509Key.PublicKey is RSA rsa)
{
var parameters = rsa.ExportParameters(false);
var exponent = Base64Url.Encode(parameters.Exponent);
var modulus = Base64Url.Encode(parameters.Modulus);
var rsaJsonWebKey = new Models.JsonWebKey
{
kty = "RSA",
use = "sig",
kid = x509Key.KeyId,
x5t = thumbprint,
e = exponent,
n = modulus,
x5c = new[] { cert64 },
alg = key.SigningAlgorithm
};
webKeys.Add(rsaJsonWebKey);
}
else if (x509Key.PublicKey is ECDsa ecdsa)
{
var parameters = ecdsa.ExportParameters(false);
var x = Base64Url.Encode(parameters.Q.X);
var y = Base64Url.Encode(parameters.Q.Y);
var ecdsaJsonWebKey = new Models.JsonWebKey
{
kty = "EC",
use = "sig",
kid = x509Key.KeyId,
x5t = thumbprint,
x = x,
y = y,
crv = CryptoHelper.GetCrvValueFromCurve(parameters.Curve),
x5c = new[] { cert64 },
alg = key.SigningAlgorithm
};
webKeys.Add(ecdsaJsonWebKey);
}
else
{
throw new InvalidOperationException($"key type: {x509Key.PublicKey.GetType().Name} not supported.");
}
}
else if (key.Key is RsaSecurityKey rsaKey)
{
var parameters = rsaKey.Rsa?.ExportParameters(false) ?? rsaKey.Parameters;
var exponent = Base64Url.Encode(parameters.Exponent);
var modulus = Base64Url.Encode(parameters.Modulus);
var webKey = new Models.JsonWebKey
{
kty = "RSA",
use = "sig",
kid = rsaKey.KeyId,
e = exponent,
n = modulus,
alg = key.SigningAlgorithm
};
webKeys.Add(webKey);
}
else if (key.Key is ECDsaSecurityKey ecdsaKey)
{
var parameters = ecdsaKey.ECDsa.ExportParameters(false);
var x = Base64Url.Encode(parameters.Q.X);
var y = Base64Url.Encode(parameters.Q.Y);
var ecdsaJsonWebKey = new Models.JsonWebKey
{
kty = "EC",
use = "sig",
kid = ecdsaKey.KeyId,
x = x,
y = y,
crv = CryptoHelper.GetCrvValueFromCurve(parameters.Curve),
alg = key.SigningAlgorithm
};
webKeys.Add(ecdsaJsonWebKey);
}
else if (key.Key is JsonWebKey jsonWebKey)
{
var webKey = new Models.JsonWebKey
{
kty = jsonWebKey.Kty,
use = jsonWebKey.Use ?? "sig",
kid = jsonWebKey.Kid,
x5t = jsonWebKey.X5t,
e = jsonWebKey.E,
n = jsonWebKey.N,
x5c = jsonWebKey.X5c?.Count == 0 ? null : jsonWebKey.X5c.ToArray(),
alg = jsonWebKey.Alg,
crv = jsonWebKey.Crv,
x = jsonWebKey.X,
y = jsonWebKey.Y
};
webKeys.Add(webKey);
}
}
return(webKeys);
}
public void ConfigureServices(IServiceCollection services)
{
services.AddHttpClient();
services.AddMvc(options =>
{
var global = new AuthorizationPolicyBuilder()
.RequireAuthenticatedUser()
.Build();
options.Filters.Add(new AuthorizeFilter(global));
}).SetCompatibilityVersion(Microsoft.AspNetCore.Mvc.CompatibilityVersion.Version_2_1);
services.AddAuthentication(options =>
{
options.DefaultScheme = "cookies";
options.DefaultChallengeScheme = "oidc";
})
.AddCookie("cookies", options =>
{
options.AccessDeniedPath = "/account/denied";
})
.AddAutomaticTokenManagement()
.AddOpenIdConnect("oidc", options =>
{
options.Authority = "https://demo.identityserver.io";
options.ClientId = "native.code";
options.ClientSecret = "secret";
options.ResponseType = "code";
options.SaveTokens = true;
options.GetClaimsFromUserInfoEndpoint = true;
options.Scope.Clear();
options.Scope.Add("openid");
options.Scope.Add("profile");
options.Scope.Add("email");
options.Scope.Add("offline_access");
options.Scope.Add("api");
options.ClaimActions.MapAllExcept("iss", "nbf", "exp", "aud", "nonce", "iat", "c_hash", "at_hash");
options.TokenValidationParameters = new TokenValidationParameters
{
NameClaimType = "name",
RoleClaimType = "role"
};
options.Events.OnRedirectToIdentityProvider = context =>
{
// only modify requests to the authorization endpoint
if (context.ProtocolMessage.RequestType == OpenIdConnectRequestType.Authentication)
{
// generate code_verifier
var codeVerifier = CryptoRandom.CreateUniqueId(32);
// store codeVerifier for later use
context.Properties.Items.Add(OidcConstants.TokenRequest.CodeVerifier, codeVerifier);
// create code_challenge
string codeChallenge;
using (var sha256 = SHA256.Create())
{
var challengeBytes = sha256.ComputeHash(Encoding.UTF8.GetBytes(codeVerifier));
codeChallenge = Base64Url.Encode(challengeBytes);
}
// add code_challenge and code_challenge_method to request
context.ProtocolMessage.Parameters.Add(OidcConstants.AuthorizeRequest.CodeChallenge, codeChallenge);
context.ProtocolMessage.Parameters.Add(OidcConstants.AuthorizeRequest.CodeChallengeMethod, OidcConstants.CodeChallengeMethods.Sha256);
}
return(Task.CompletedTask);
};
options.Events.OnAuthorizationCodeReceived = context =>
{
// only when authorization code is being swapped for tokens
if (context.TokenEndpointRequest?.GrantType == OpenIdConnectGrantTypes.AuthorizationCode)
{
// get stored code_verifier
if (context.Properties.Items.TryGetValue(OidcConstants.TokenRequest.CodeVerifier, out var codeVerifier))
{
// add code_verifier to token request
context.TokenEndpointRequest.Parameters.Add(OidcConstants.TokenRequest.CodeVerifier, codeVerifier);
}
}
return(Task.CompletedTask);
};
});
}
public void SetProtected(JsonWebSignatureProtected @protected)
{
Protected = Base64Url.Encode(JsonConvert.SerializeObject(@protected));
}
public FinalizeOrderRequest(string url, byte[] csr)
{
Url = url ?? throw new ArgumentNullException(nameof(url));
Csr = Base64Url.Encode(csr);
}
/// <summary>
/// Converts a JSON web key to a URL safe string.
/// </summary>
/// <param name="key">The key.</param>
/// <returns></returns>
public static string ToJwkString(this JsonWebKey key)
{
var json = JsonConvert.SerializeObject(key);
return(Base64Url.Encode(Encoding.UTF8.GetBytes(json)));
}
public JsonWebEncyption(string message, JsonHeader protectedHeader, string aad = null)
{
_message = Base64Url.Encode(message);
_protectedHeader = protectedHeader;
_aad = aad != null?Base64Url.Encode(aad) : null;
}
/// <summary>
/// Calculates the key id for a given x509 certificate
/// </summary>
/// <param name="certificate"></param>
/// <returns>kid</returns>
public Task <string> GetKidAsync(X509Certificate2 certificate)
{
return(Task.FromResult(Base64Url.Encode(certificate.GetCertHash())));
}
public void ConfigureServices(IServiceCollection services)
{
services.AddMvc();
services.AddAuthentication(options =>
{
options.DefaultAuthenticateScheme = "cookie";
options.DefaultSignInScheme = "cookie";
options.DefaultChallengeScheme = "oidc";
})
.AddCookie("cookie")
.AddOpenIdConnect("oidc", options =>
{
options.Authority = "http://localhost:5000";
options.RequireHttpsMetadata = false; // dev only
options.ClientId = "pkce_client";
options.ClientSecret = "acf2ec6fb01a4b698ba240c2b10a0243";
options.ResponseType = "code";
options.ResponseMode = "form_post";
options.CallbackPath = "/signin-oidc";
options.Events.OnRedirectToIdentityProvider = context =>
{
// only modify requests to the authorization endpoint
if (context.ProtocolMessage.RequestType == OpenIdConnectRequestType.Authentication)
{
// generate code_verifier
var codeVerifier = CryptoRandom.CreateUniqueId(32);
// store codeVerifier for later use
context.Properties.Items.Add("code_verifier", codeVerifier);
// create code_challenge
string codeChallenge;
using (var sha256 = SHA256.Create())
{
var challengeBytes = sha256.ComputeHash(Encoding.UTF8.GetBytes(codeVerifier));
codeChallenge = Base64Url.Encode(challengeBytes);
}
// add code_challenge and code_challenge_method to request
context.ProtocolMessage.Parameters.Add("code_challenge", codeChallenge);
context.ProtocolMessage.Parameters.Add("code_challenge_method", "S256");
}
return(Task.CompletedTask);
};
options.Events.OnAuthorizationCodeReceived = context =>
{
// only when authorization code is being swapped for tokens
if (context.TokenEndpointRequest?.GrantType == OpenIdConnectGrantTypes.AuthorizationCode)
{
// get stored code_verifier
if (context.Properties.Items.TryGetValue("code_verifier", out var codeVerifier))
{
// add code_verifier to token request
context.TokenEndpointRequest.Parameters.Add("code_verifier", codeVerifier);
}
}
return(Task.CompletedTask);
};
});
}
public static string GetBase64UrlEncodedJson <T>(T instance)
{
byte[] utf8Bytes = JsonSerializer.SerializeToUtf8Bytes(instance, JSO.IgnoreNullValues);
return(Base64Url.Encode(utf8Bytes));
}
/// <summary>
/// Add custom authentication
/// </summary>
/// <param name="services">IServiceCollection</param>
/// <param name="appSettings">AppSettings</param>
/// <returns>Self</returns>
public static IServiceCollection AddOpenIdAuthentication(this IServiceCollection services, AppSettings appSettings)
{
IdentityModelEventSource.ShowPII = true;
JwtSecurityTokenHandler.DefaultInboundClaimTypeMap.Clear();
services.AddAuthentication(options =>
{
options.DefaultAuthenticateScheme = CookieAuthenticationDefaults.AuthenticationScheme; // "Cookies"
options.DefaultSignInScheme = CookieAuthenticationDefaults.AuthenticationScheme; // "Cookies"
options.DefaultChallengeScheme = "oidc";
})
.AddCookie(CookieAuthenticationDefaults.AuthenticationScheme)
.AddOpenIdConnect("oidc", options =>
{
const string CODE_VERIFIER_KEY = "code_verifier";
const string CODE_CHALLENGE_KEY = "code_challenge";
const string CODE_CHALLENGE_METHOD_KEY = "code_challenge_method";
// Get config values from AppSetting file
string oidcServerBaseUrl = appSettings?.Host.OidcServer;
bool isRequireHttpsMetadata = !string.IsNullOrEmpty(oidcServerBaseUrl) && oidcServerBaseUrl.StartsWith("https");
options.Authority = string.IsNullOrEmpty(oidcServerBaseUrl) ? "https://localhost:6001" : oidcServerBaseUrl;
options.RequireHttpsMetadata = isRequireHttpsMetadata;
options.MetadataAddress = $"{oidcServerBaseUrl}/.well-known/openid-configuration";
options.BackchannelHttpHandler = AuthMetadataUtils.GetHttpHandler();
options.ClientId = "PkceCodeBackend";
options.ClientSecret = "secret";
options.ResponseType = "code";
options.ResponseMode = "form_post";
options.CallbackPath = "/signin-oidc";
options.SaveTokens = true;
options.Scope.Add(appSettings?.AuthOptions?.Audience);
options.Scope.Add("offline_access"); // Get refresh token
options.Events.OnRedirectToIdentityProvider = context =>
{
// only modify requests to the authorization endpoint
if (context.ProtocolMessage.RequestType == OpenIdConnectRequestType.Authentication)
{
// generate code_verifier
var codeVerifier = CryptoRandom.CreateUniqueId(32);
// store codeVerifier for later use
context.Properties.Items.Remove(CODE_VERIFIER_KEY);
context.Properties.Items.Add(CODE_VERIFIER_KEY, codeVerifier);
// create code_challenge
string codeChallenge;
using (var sha256 = SHA256.Create())
{
var challengeBytes = sha256.ComputeHash(Encoding.UTF8.GetBytes(codeVerifier));
codeChallenge = Base64Url.Encode(challengeBytes);
}
// add code_challenge and code_challenge_method to request
context.ProtocolMessage.Parameters.Remove(CODE_CHALLENGE_KEY);
context.ProtocolMessage.Parameters.Remove(CODE_CHALLENGE_METHOD_KEY);
context.ProtocolMessage.Parameters.Add(CODE_CHALLENGE_KEY, codeChallenge);
context.ProtocolMessage.Parameters.Add(CODE_CHALLENGE_METHOD_KEY, "S256");
}
return(Task.CompletedTask);
};
options.Events.OnAuthorizationCodeReceived = context =>
{
// only when authorization code is being swapped for tokens
if (context.TokenEndpointRequest?.GrantType == OpenIdConnectGrantTypes.AuthorizationCode)
{
// get stored code_verifier
if (context.Properties.Items.TryGetValue(CODE_VERIFIER_KEY, out var codeVerifier))
{
// add code_verifier to token request
context.TokenEndpointRequest.Parameters.Add(CODE_VERIFIER_KEY, codeVerifier);
}
}
return(Task.CompletedTask);
};
});
return(services);
}
public void ConfigureServices(IServiceCollection services)
{
services.AddCors();
services.AddMvc();
services.AddAuthentication(options =>
{
options.DefaultAuthenticateScheme = "cookie";
options.DefaultSignInScheme = "cookie";
options.DefaultChallengeScheme = "oidc";
}).AddIdentityServerAuthentication(options =>
{
options.Authority = "http://localhost:5000"; // auth server base endpoint (will use to search for disco doc)
options.ApiName = "demo_api"; // required audience of access tokens
options.RequireHttpsMetadata = false; // dev only!
})
.AddCookie("cookie")
.AddOpenIdConnect("oidc", options =>
{
options.Authority = "http://localhost:5000";
options.RequireHttpsMetadata = false; // dev only
options.ClientId = "demo_api_swagger";
options.ClientSecret = "acf2ec6fb01a4b698ba240c2b10a0243";
options.ResponseType = "code";
options.ResponseMode = "form_post";
options.CallbackPath = "/oauth2-redirect.html";
options.Events.OnRedirectToIdentityProvider = context =>
{
// only modify requests to the authorization endpoint
if (context.ProtocolMessage.RequestType == OpenIdConnectRequestType.Authentication)
{
// generate code_verifier
var codeVerifier = CryptoRandom.CreateUniqueId(32);
// store codeVerifier for later use
context.Properties.Items.Add("code_verifier", codeVerifier);
// create code_challenge
string codeChallenge;
using (var sha256 = SHA256.Create())
{
var challengeBytes = sha256.ComputeHash(Encoding.UTF8.GetBytes(codeVerifier));
codeChallenge = Base64Url.Encode(challengeBytes);
}
// add code_challenge and code_challenge_method to request
context.ProtocolMessage.Parameters.Add("code_challenge", codeChallenge);
context.ProtocolMessage.Parameters.Add("code_challenge_method", "S256");
}
return(Task.CompletedTask);
};
options.Events.OnAuthorizationCodeReceived = context =>
{
// only when authorization code is being swapped for tokens
if (context.TokenEndpointRequest?.GrantType == OpenIdConnectGrantTypes.AuthorizationCode)
{
// get stored code_verifier
if (context.Properties.Items.TryGetValue("code_verifier", out var codeVerifier))
{
// add code_verifier to token request
context.TokenEndpointRequest.Parameters.Add("code_verifier", codeVerifier);
}
}
return(Task.CompletedTask);
};
});
services.AddSwaggerGen(options =>
{
options.SwaggerDoc("v1", new Info {
Title = "Protected API", Version = "v1"
});
options.AddSecurityDefinition("oauth2", new OAuth2Scheme
{
Flow = "authorizationCode", // just get token via browser (suitable for swagger SPA)
AuthorizationUrl = "http://localhost:5000/connect/authorize",
TokenUrl = "http://localhost:5000/connect/token",
Scopes = new Dictionary <string, string> {
{ "demo_api", "Demo API - full access" }
},
});
options.OperationFilter <AuthorizeCheckOperationFilter>(); // Required to use access token
});
}
public static byte[] EncodeSkinJwt(CngKey newKey)
{
byte[] t = ImportECDsaCngKeyFromCngKey(newKey.Export(CngKeyBlobFormat.EccPrivateBlob));
CngKey tk = CngKey.Import(t, CngKeyBlobFormat.EccPrivateBlob);
ECDiffieHellmanCng ecKey = new ECDiffieHellmanCng(newKey);
ecKey.HashAlgorithm = CngAlgorithm.Sha256;
ecKey.KeyDerivationFunction = ECDiffieHellmanKeyDerivationFunction.Hash;
var b64Key = Base64Url.Encode(ecKey.PublicKey.ToDerEncoded());
Skin skin = new Skin
{
Slim = false,
SkinData = Encoding.Default.GetBytes(new string('Z', 8192)),
SkinId = "Standard_Custom"
};
string skin64 = Convert.ToBase64String(skin.SkinData);
//{
// "ADRole": 2,
// "ClientRandomId": 4670680294016914277,
// "CurrentInputMode": 2,
// "DefaultInputMode": 2,
// "DeviceModel": "SAMSUNG GT-P5210",
// "DeviceOS": 1,
// "GameVersion": "1.1.0.4",
// "GuiScale": 0,
// "LanguageCode": "en_US",
// "ServerAddress": "yodamine.com:19132",
// "SkinData": "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// "SkinId": "Standard_Alex",
// "TenantId": "",
// "UIProfile": 1
//}
string skinData = $@"
{{
""ADRole"": 0,
""ClientRandomId"": {new Random().Next()},
""CurrentInputMode"": 1,
""DefaultInputMode"": 1,
""DeviceModel"": ""MINET CLIENT"",
""DeviceOS"": 7,
""GameVersion"": ""1.2.0.15"",
""GuiScale"": 0,
""LanguageCode"": ""en_US"",
""ServerAddress"": ""yodamine.com:19132"",
""SkinData"": ""{skin64}"",
""SkinId"": ""{skin.SkinId}"",
""TenantId"": ""75a3f792-a259-4428-9a8d-4e832fb960e4"",
""UIProfile"": 0
}}";
string val = JWT.Encode(skinData, tk, JwsAlgorithm.ES384, new Dictionary <string, object> {
{ "x5u", b64Key }
});
return(Encoding.UTF8.GetBytes(val));
}
void IJsonSerializable.WriteProperties(Utf8JsonWriter json)
{
json.WriteString(s_valuePropertyNameBytes, Base64Url.Encode(Value));
}
public static string EncodeBase64Url(this byte[] input)
{
return(Base64Url.Encode(input));
}
/// <summary>
/// Creates the JWK document.
/// </summary>
public virtual async Task <IEnumerable <Models.JsonWebKey> > CreateJwkDocumentAsync()
{
var webKeys = new List <Models.JsonWebKey>();
var signingCredentials = await Keys.GetSigningCredentialsAsync();
var algorithm = signingCredentials?.Algorithm ?? Constants.SigningAlgorithms.RSA_SHA_256;
foreach (var key in await Keys.GetValidationKeysAsync())
{
if (key is X509SecurityKey x509Key)
{
var cert64 = Convert.ToBase64String(x509Key.Certificate.RawData);
var thumbprint = Base64Url.Encode(x509Key.Certificate.GetCertHash());
var pubKey = x509Key.PublicKey as RSA;
var parameters = pubKey.ExportParameters(false);
var exponent = Base64Url.Encode(parameters.Exponent);
var modulus = Base64Url.Encode(parameters.Modulus);
var webKey = new Models.JsonWebKey
{
kty = "RSA",
use = "sig",
kid = x509Key.KeyId,
x5t = thumbprint,
e = exponent,
n = modulus,
x5c = new[] { cert64 },
alg = algorithm
};
webKeys.Add(webKey);
continue;
}
if (key is RsaSecurityKey rsaKey)
{
var parameters = rsaKey.Rsa?.ExportParameters(false) ?? rsaKey.Parameters;
var exponent = Base64Url.Encode(parameters.Exponent);
var modulus = Base64Url.Encode(parameters.Modulus);
var webKey = new Models.JsonWebKey
{
kty = "RSA",
use = "sig",
kid = rsaKey.KeyId,
e = exponent,
n = modulus,
alg = algorithm
};
webKeys.Add(webKey);
}
if (key is JsonWebKey jsonWebKey)
{
var webKey = new Models.JsonWebKey
{
kty = jsonWebKey.Kty,
use = jsonWebKey.Use ?? "sig",
kid = jsonWebKey.Kid,
x5t = jsonWebKey.X5t,
e = jsonWebKey.E,
n = jsonWebKey.N,
x5c = jsonWebKey.X5c?.Count == 0 ? null : jsonWebKey.X5c.ToArray(),
alg = jsonWebKey.Alg
};
webKeys.Add(webKey);
}
}
return(webKeys);
}
public void Configuration(IAppBuilder app)
{
app.UseCookieAuthentication(new CookieAuthenticationOptions
{
AuthenticationType = "cookie"
});
app.UseOpenIdConnectAuthentication(new OpenIdConnectAuthenticationOptions
{
ClientId = "mvc.owin",
Authority = "http://localhost:5000",
RedirectUri = "http://localhost:5001/",
Scope = "openid profile api1",
SignInAsAuthenticationType = "cookie",
RequireHttpsMetadata = false,
UseTokenLifetime = false,
RedeemCode = true,
SaveTokens = true,
ClientSecret = "secret",
ResponseType = "code",
ResponseMode = "query",
Notifications = new OpenIdConnectAuthenticationNotifications
{
RedirectToIdentityProvider = n =>
{
if (n.ProtocolMessage.RequestType == OpenIdConnectRequestType.Authentication)
{
// set PKCE parameters
var codeVerifier = CryptoRandom.CreateUniqueId(32);
string codeChallenge;
using (var sha256 = SHA256.Create())
{
var challengeBytes = sha256.ComputeHash(Encoding.UTF8.GetBytes(codeVerifier));
codeChallenge = Base64Url.Encode(challengeBytes);
}
n.ProtocolMessage.SetParameter("code_challenge", codeChallenge);
n.ProtocolMessage.SetParameter("code_challenge_method", "S256");
// remember code_verifier (adapted from OWIN nonce cookie)
RememberCodeVerifier(n, codeVerifier);
}
return(Task.CompletedTask);
},
AuthorizationCodeReceived = n =>
{
// get code_verifier
var codeVerifier = RetrieveCodeVerifier(n);
// attach code_verifier
n.TokenEndpointRequest.SetParameter("code_verifier", codeVerifier);
return(Task.CompletedTask);
}
}
});
}
//For more information on configuring authentication, please visit http://go.microsoft.com/fwlink/?LinkId=301864
public void ConfigureAuth(IAppBuilder app)
{
// Workaround Middleware for Katana Bug #197
// Bug fix: Do not attempt to update cookies if headers have been sent.
// https://github.com/Sustainsys/owin-cookie-saver
app.UseKentorOwinCookieSaver();
app.UseCookieAuthentication(new CookieAuthenticationOptions
{
// uses the AuthenticationType defined by OpenIDConnect middleware.
AuthenticationType = CookieAuthenticationDefaults.AuthenticationType,
ExpireTimeSpan = TimeSpan.FromMinutes(30),
SlidingExpiration = true
});
// Authorization Code Flow with Proof Key for Code Exchange (PKCE)
// https://auth0.com/docs/flows/concepts/auth-code-pkce
app.UseOpenIdConnectAuthentication(new OpenIdConnectAuthenticationOptions
{
Authority = "https://idp.example.com/",
ClientId = "myclient",
RedirectUri = "https://localhost:44361",
CallbackPath = new PathString("/"), // *** Critical to prevent infinite loop, when running in server *** Also dont forget to include virtual diretory name, if you have one.
PostLogoutRedirectUri = "https://localhost:44361",
// indicates idp to return authorization code. id_token is not returned, providing us the extra layer of security.
ResponseType = OpenIdConnectResponseType.Code,
// indicates idp to return code in querystring
ResponseMode = OpenIdConnectResponseMode.Query,
Scope = "openid profile partyAPI platformAPI offline_access",
// this value determines the value of the AuthenticationType property of the ClaimsPrincipal/ClaimsIdentity generated from the incoming token.
// if the cookie middleware finds this in an AuthenticationResponseGrant, that’s what the cookie middleware uses to determine whether such ClaimsPrincipal/ ClaimsIdentity should be used for creating a session.
SignInAsAuthenticationType = CookieAuthenticationDefaults.AuthenticationType,
// default is true, set it to false to decouple the session validity time from the token expires time.
UseTokenLifetime = false,
// default is true, but we explicitly set it, so that when working with local idp, we can change to false.
RequireHttpsMetadata = true,
RedeemCode = true, // required for PKCE
SaveTokens = true,
Notifications = new OpenIdConnectAuthenticationNotifications
{
RedirectToIdentityProvider = async n =>
{
if (n.ProtocolMessage.RequestType == OpenIdConnectRequestType.Authentication)
{
// generate code verifier and code challenge
var codeVerifier = CryptoRandom.CreateUniqueId(32);
string codeChallenge;
using (var sha256 = SHA256.Create())
{
var challengeBytes = sha256.ComputeHash(Encoding.UTF8.GetBytes(codeVerifier));
codeChallenge = Base64Url.Encode(challengeBytes);
}
// set code_challenge parameter on authorization request
n.ProtocolMessage.SetParameter("code_challenge", codeChallenge);
n.ProtocolMessage.SetParameter("code_challenge_method", "S256");
// remember code verifier in cookie (adapted from OWIN nonce cookie)
n.RememberCodeVerifier(codeVerifier);
}
// if signing out, add the id_token_hint
if (n.ProtocolMessage.RequestType == OpenIdConnectRequestType.Logout)
{
var result = await n.OwinContext.Authentication.AuthenticateAsync(CookieAuthenticationDefaults.AuthenticationType);
var idTokenHint = result.Properties.Dictionary[OpenIdConnectParameterNames.IdToken];
if (idTokenHint != null)
{
n.ProtocolMessage.IdTokenHint = idTokenHint;
}
}
await Task.FromResult(0);
},
AuthorizationCodeReceived = async n =>
{
// get code verifier from cookie
var codeVerifier = n.RetrieveCodeVerifier();
// attach code_verifier on token request
n.TokenEndpointRequest.SetParameter("code_verifier", codeVerifier);
await Task.FromResult(0);
},
// after authentication, inject custom agent claims to the OWIN Identity
SecurityTokenValidated = async n =>
{
var accessToken = n.ProtocolMessage.AccessToken;
// add custom claims
var claimsIdentify = n.AuthenticationTicket.Identity;
var customeClaims = new List <Claim>
{
new Claim(ClaimTypes.Role, "SystemAdmin"),
};
claimsIdentify.AddClaims(customeClaims);
await Task.FromResult(0);
}
}
});
}
public void JwtHeaderEncode(string base64, string raw)
{
var encode = Base64Url.Encode(raw);
encode.Should().Be(base64);
}
/// <summary>
/// Finalize order.
/// </summary>
/// <param name="AccountLocation">Account location.</param>
/// <param name="FinalizeLocation">Finalize location.</param>
/// <param name="CertificateRequest">Certificate request.</param>
/// <returns>New order object.</returns>
public async Task <AcmeOrder> FinalizeOrder(Uri AccountLocation, Uri FinalizeLocation, CertificateRequest CertificateRequest)
{
byte[] CSR = CertificateRequest.BuildCSR();
AcmeResponse Response = await this.POST(FinalizeLocation, AccountLocation,
new KeyValuePair <string, object>("csr", Base64Url.Encode(CSR)));
return(new AcmeOrder(this, AccountLocation, Response.Location, Response.Payload, Response.ResponseMessage));
}
private string BodyBase64()
{
return(Base64Url.Encode(Bytes.FromString(Configuration.Serializer.Serialize(this.BodyContent))));
}
public void TestJWTHandling()
{
CngKey newKey = CngKey.Create(CngAlgorithm.ECDiffieHellmanP384, null, new CngKeyCreationParameters()
{
ExportPolicy = CngExportPolicies.AllowPlaintextExport, KeyUsage = CngKeyUsages.AllUsages
});
byte[] t = CryptoUtils.ImportECDsaCngKeyFromCngKey(newKey.Export(CngKeyBlobFormat.EccPrivateBlob));
CngKey tk = CngKey.Import(t, CngKeyBlobFormat.EccPrivateBlob);
Assert.AreEqual(CngAlgorithmGroup.ECDsa, tk.AlgorithmGroup);
ECDiffieHellmanCng ecKey = new ECDiffieHellmanCng(newKey);
ecKey.HashAlgorithm = CngAlgorithm.Sha256;
ecKey.KeyDerivationFunction = ECDiffieHellmanKeyDerivationFunction.Hash;
var b64Key = Base64Url.Encode(ecKey.PublicKey.GetDerEncoded());
string test = $@"
{{
""exp"": 1464983845,
""extraData"": {{
""displayName"": ""gurunx"",
""identity"": ""af6f7c5e -fcea-3e43-bf3a-e005e400e578""
}},
""identityPublicKey"": ""{b64Key}"",
""nbf"": 1464983844
}}";
CertificateData certificateData = new CertificateData
{
Exp = 1464983845,
ExtraData = new ExtraData
{
DisplayName = "gurun",
Identity = "af6f7c5e -fcea-3e43-bf3a-e005e400e578",
},
IdentityPublicKey = b64Key,
Nbf = 1464983844,
};
JWT.JsonMapper = new NewtonsoftMapper();
string val = JWT.Encode(certificateData, tk, JwsAlgorithm.ES384, new Dictionary <string, object> {
{ "x5u", b64Key }
});
Console.WriteLine(val);
Assert.AreEqual(b64Key, JWT.Headers(val)["x5u"]);
//Assert.AreEqual("", string.Join(";", JWT.Headers(val)));
//Assert.AreEqual(test, JWT.Payload(val));
Console.WriteLine(JWT.Payload(val));
IDictionary <string, dynamic> headers = JWT.Headers(val);
if (headers.ContainsKey("x5u"))
{
string certString = headers["x5u"];
// Validate
CngKey importKey = CryptoUtils.ImportECDsaCngKeyFromString(certString);
CertificateData data = JWT.Decode <CertificateData>(val, importKey);
Assert.NotNull(data);
Assert.AreEqual(certificateData.Exp, data.Exp);
Assert.AreEqual(certificateData.IdentityPublicKey, data.IdentityPublicKey);
Assert.AreEqual(certificateData.Nbf, data.Nbf);
Assert.NotNull(data.ExtraData);
Assert.AreEqual(certificateData.ExtraData.DisplayName, data.ExtraData.DisplayName);
Assert.AreEqual(certificateData.ExtraData.Identity, data.ExtraData.Identity);
}
}
private string SignatureBase64()
{
return(Base64Url.Encode(this.SignatureData));
}
public void SetPayload(object payload)
{
Payload = Base64Url.Encode(JsonConvert.SerializeObject(payload));
}
public string Base64UrlEncode(byte[] arg)
{
return(Base64Url.Encode(arg));
}
private static string CreateUrl(string endpoint
, string clientId
, string scope
, string redirectUri
, string responseType
, string responseMode
, string maxAge
, string codeVerifier
, string state = null
, string prompt = null
, string nonce = null)
{
string str = string.Format("{0}?client_id={1}&scope={2}&redirect_uri={3}&response_type={4}"
, endpoint
, ApplicationSettings.UrlEncode(clientId)
, ApplicationSettings.UrlEncode(scope)
, ApplicationSettings.UrlEncode(redirectUri)
, ApplicationSettings.UrlEncode(responseType));
var codeChallengeMethod = ApplicationSettings.CodeChallengeMethod;
if (responseType.Contains("code") && codeChallengeMethod.ToLower() != "none")
{
var codeChallenge = codeVerifier;
if (codeChallengeMethod == "S256")
{
using (var sha256 = SHA256.Create())
{
var challengeBytes = sha256.ComputeHash(Encoding.UTF8.GetBytes(codeVerifier));
codeChallenge = Base64Url.Encode(challengeBytes);
}
}
str = string.Format("{0}&code_challenge={1}&code_challenge_method={2}", str,
ApplicationSettings.UrlEncode(codeChallenge),
ApplicationSettings.UrlEncode(codeChallengeMethod));
}
if (ApplicationSettings.UsingRequestObject != "true")
{
if (!string.IsNullOrEmpty(maxAge))
{
str = string.Format("{0}&max_age={1}", str, ApplicationSettings.UrlEncode(maxAge));
}
if (!string.IsNullOrEmpty(responseMode))
{
str = string.Format("{0}&response_mode={1}", str, ApplicationSettings.UrlEncode(responseMode));
}
if (!string.IsNullOrWhiteSpace(state))
{
str = string.Format("{0}&state={1}", str, ApplicationSettings.UrlEncode(state));
}
if (!string.IsNullOrWhiteSpace(prompt))
{
str = string.Format("{0}&prompt={1}", str, ApplicationSettings.UrlEncode(prompt));
}
if (!string.IsNullOrWhiteSpace(nonce))
{
str = string.Format("{0}&nonce={1}", str, ApplicationSettings.UrlEncode(nonce));
}
}
else
{
var claimsIdentify = new ClaimsIdentity();
claimsIdentify.AddClaim(new Claim("client_id", clientId));
claimsIdentify.AddClaim(new Claim("response_type", responseType));
claimsIdentify.AddClaim(new Claim("scope", scope));
claimsIdentify.AddClaim(new Claim("redirect_uri", redirectUri));
claimsIdentify.AddClaim(new Claim("max_age", maxAge));
claimsIdentify.AddClaim(new Claim("response_mode", responseMode));
claimsIdentify.AddClaim(new Claim("state", state));
claimsIdentify.AddClaim(new Claim("prompt", prompt));
claimsIdentify.AddClaim(new Claim("nonce", nonce));
string token;
if (ApplicationSettings.SignRequestObject == "true")
{
var securityTokenDescriptor = new SecurityTokenDescriptor
{
Subject = claimsIdentify,
Issuer = clientId,
IssuedAt = DateTime.UtcNow,
Expires = DateTime.UtcNow.AddYears(10),
Audience = endpoint
};
var signingCertificate = LoadCertificate(StoreName.My, StoreLocation.LocalMachine, ApplicationSettings.ClientCertificate);
securityTokenDescriptor.SigningCredentials = new X509SigningCredentials(signingCertificate, "http://www.w3.org/2001/04/xmldsig-more#rsa-sha256");
token = new JwtSecurityTokenHandler().CreateEncodedJwt(securityTokenDescriptor);
}
else
{
var jwtSecurityToken = new JwtSecurityTokenHandler().CreateJwtSecurityToken(clientId, endpoint, claimsIdentify, DateTime.UtcNow, DateTime.UtcNow.AddYears(10), DateTime.UtcNow);
token = "eyJhbGciOiJub25lIn0" + "." + jwtSecurityToken.EncodedPayload + ".";
}
str += "&request=" + token;
}
return(str);
}
// This method gets called by the runtime. Use this method to add services to the container.
public void ConfigureServices(IServiceCollection services)
{
JwtSecurityTokenHandler.DefaultInboundClaimTypeMap.Clear();
services.AddControllersWithViews();
services.AddAuthentication(options => {
options.DefaultScheme = "Cookies";
options.DefaultChallengeScheme = "oidc";
})
.AddCookie("Cookies")
.AddOpenIdConnect("oidc", options => {
options.Authority = "http://localhost:8000";
options.RequireHttpsMetadata = false;
options.ClientId = "mvc";
options.ClientSecret = "mvc-secret";
options.ResponseType = "code";
options.UsePkce = true;
options.SaveTokens = true;
options.GetClaimsFromUserInfoEndpoint = true;
options.Scope.Add("address");
options.ClaimActions.MapJsonKey("address", "address");
options.Scope.Add("security_info");
options.ClaimActions.MapJsonKey("sec_zone", "sec_zone");
options.ClaimActions.MapJsonKey("sec_exp", "sec_exp");
options.Scope.Add("offline_access");
options.Events = new OpenIdConnectEvents {
OnRemoteFailure = ctx => {
WriteLine(".....OnRemoteFailure");
WriteLine(ctx.Failure.Message);
ctx.HandleResponse();
return(Task.FromResult(0));
},
OnRedirectToIdentityProvider = ctx => {
// only modify requests to the authorization endpoint
if (ctx.ProtocolMessage.RequestType == OpenIdConnectRequestType.Authentication)
{
// generate code_verifier
var codeVerifier = CryptoRandom.CreateUniqueId(32);
// store codeVerifier for later use
if (ctx.Properties.Items.ContainsKey("code_verifier"))
{
ctx.Properties.Items["code_verifier"] = codeVerifier;
}
else
{
ctx.Properties.Items.Add("code_verifier", codeVerifier);
}
// create code_challenge
string codeChallenge;
using (var sha256 = SHA256.Create())
{
var challengeBytes = sha256.ComputeHash(Encoding.UTF8.GetBytes(codeVerifier));
codeChallenge = Base64Url.Encode(challengeBytes);
}
// add code_challenge and code_challenge_method to request
if (ctx.ProtocolMessage.Parameters.ContainsKey("code_challenge"))
{
ctx.ProtocolMessage.Parameters["code_challenge"] = codeChallenge;
ctx.ProtocolMessage.Parameters["code_challenge_method"] = "S256";
}
else
{
ctx.ProtocolMessage.Parameters.Add("code_challenge", codeChallenge);
ctx.ProtocolMessage.Parameters.Add("code_challenge_method", "S256");
}
}
return(Task.CompletedTask);
},
OnAuthorizationCodeReceived = ctx => {
// only when authorization code is being swapped for tokens
if (ctx.TokenEndpointRequest?.GrantType == OpenIdConnectGrantTypes.AuthorizationCode)
{
// get stored code_verifier
if (ctx.Properties.Items.TryGetValue("code_verifier", out var codeVerifier))
{
// add code_verifier to token request
ctx.TokenEndpointRequest.Parameters.Add("code_verifier", codeVerifier);
}
}
return(Task.CompletedTask);
}
};
});
private async Task <IEndpointResult> ExecuteJwksAsync(HttpContext context)
{
_logger.LogDebug("Start key discovery request");
if (_options.DiscoveryOptions.ShowKeySet == false)
{
_logger.LogInformation("Key discovery disabled. 404.");
return(new StatusCodeResult(404));
}
var webKeys = new List <Models.JsonWebKey>();
foreach (var key in await _keys.GetKeysAsync())
{
// todo
//if (!(key is AsymmetricSecurityKey) &&
// !key.IsSupportedAlgorithm(SecurityAlgorithms.RsaSha256Signature))
//{
// var error = "signing key is not asymmetric and does not support RS256";
// _logger.LogError(error);
// throw new InvalidOperationException(error);
//}
var x509Key = key as X509SecurityKey;
if (x509Key != null)
{
var cert64 = Convert.ToBase64String(x509Key.Certificate.RawData);
var thumbprint = Base64Url.Encode(x509Key.Certificate.GetCertHash());
var pubKey = x509Key.PublicKey as RSA;
var parameters = pubKey.ExportParameters(false);
var exponent = Base64Url.Encode(parameters.Exponent);
var modulus = Base64Url.Encode(parameters.Modulus);
var webKey = new Models.JsonWebKey
{
kty = "RSA",
use = "sig",
kid = x509Key.KeyId,
x5t = thumbprint,
e = exponent,
n = modulus,
x5c = new[] { cert64 }
};
webKeys.Add(webKey);
continue;
}
var rsaKey = key as RsaSecurityKey;
if (rsaKey != null)
{
var parameters = rsaKey.Rsa.ExportParameters(false);
var exponent = Base64Url.Encode(parameters.Exponent);
var modulus = Base64Url.Encode(parameters.Modulus);
var webKey = new Models.JsonWebKey
{
kty = "RSA",
use = "sig",
kid = rsaKey.KeyId,
e = exponent,
n = modulus,
};
webKeys.Add(webKey);
}
}
return(new JsonWebKeysResult(webKeys));
}
internal string GetKid()
{
RSAParameters parameters = mKey.ExportParameters(false);
return(Thumbprint("RSA", Base64Url.Encode(parameters.Exponent), Base64Url.Encode(parameters.Modulus)).Substring(0, 5));
}
