public async Task <IActionResult> Exchange([ModelBinder(BinderType = typeof(OpenIddictMvcBinder))] OpenIdConnectRequest request)
{
if (request.IsClientCredentialsGrantType())
{
// Note: the client credentials are automatically validated by OpenIddict:
// if client_id or client_secret are invalid, this action won't be invoked.
var application = await _applicationManager.FindByClientIdAsync(request.ClientId, HttpContext.RequestAborted);
if (application == null)
{
return(BadRequest(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.InvalidClient,
ErrorDescription = "The client application was not found in the database."
}));
}
// Create a new authentication ticket.
var ticket = CreateTicket(application);
return(SignIn(ticket.Principal, ticket.Properties, ticket.AuthenticationScheme));
}
return(BadRequest(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.UnsupportedGrantType,
ErrorDescription = "The specified grant type is not supported."
}));
}
public async Task <IActionResult> Exchange(OpenIdConnectRequest request)
{
Debug.Assert(request.IsTokenRequest(),
"The OpenIddict binder for ASP.NET Core MVC is not registered. " +
"Make sure services.AddOpenIddict().AddMvcBinders() is correctly called.");
if (request.IsClientCredentialsGrantType())
{
// Note: the client credentials are automatically validated by OpenIddict:
// if client_id or client_secret are invalid, this action won't be invoked.
var application = await _applicationManager.FindByClientIdAsync(request.ClientId, HttpContext.RequestAborted);
if (application == null)
{
return(BadRequest(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.InvalidClient,
ErrorDescription = "The client application was not found in the database."
}));
}
// Create a new authentication ticket.
var ticket = CreateTicket(request, application);
return(SignIn(ticket.Principal, ticket.Properties, ticket.AuthenticationScheme));
}
return(BadRequest(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.UnsupportedGrantType,
ErrorDescription = "The specified grant type is not supported."
}));
}
public async Task <IActionResult> Token(OpenIdConnectRequest request)
{
// Warning: this action is decorated with IgnoreAntiforgeryTokenAttribute to override
// the global antiforgery token validation policy applied by the MVC modules stack,
// which is required for this stateless OAuth2/OIDC token endpoint to work correctly.
// To prevent effective CSRF/session fixation attacks, this action MUST NOT return
// an authentication cookie or try to establish an ASP.NET Core user session.
if (request.IsPasswordGrantType())
{
return(await ExchangePasswordGrantType(request));
}
if (request.IsClientCredentialsGrantType())
{
return(await ExchangeClientCredentialsGrantType(request));
}
if (request.IsAuthorizationCodeGrantType() || request.IsRefreshTokenGrantType())
{
return(await ExchangeAuthorizationCodeOrRefreshTokenGrantType(request));
}
throw new NotSupportedException("The specified grant type is not supported.");
}
public async Task <IActionResult> Exchange([ModelBinder(typeof(OpenIddictMvcBinder))] OpenIdConnectRequest request)
{
if (!request.IsClientCredentialsGrantType())
{
return(BadRequest(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.UnsupportedGrantType,
ErrorDescription = "The specified grant type is not supported."
}));
}
var application = await _applicationManager.FindByClientIdAsync(request.ClientId, HttpContext.RequestAborted);
if (application == null)
{
return(BadRequest(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.InvalidClient,
ErrorDescription = "The client application was not found in the database."
}));
}
var ticket = CreateTicket(application);
return(SignIn(ticket.Principal, ticket.Properties, ticket.AuthenticationScheme));
}
public async Task <IActionResult> Exchange(OpenIdConnectRequest request)
{
try
{
_logger.LogInformation("About to authorize user");
if (request.IsClientCredentialsGrantType())
{
var authenticationTicket = await CreateTicket(request);
//this occur when the client credentials are wrong
if (authenticationTicket == null)
{
var properties = new AuthenticationProperties(new Dictionary <string, string>
{
[Properties.Error] = Errors.InvalidGrant,
[Properties.ErrorDescription] = "The client id/secret couple is invalid."
});
return(Forbid(properties, OpenIddictServerDefaults.AuthenticationScheme));
}
_logger.LogInformation("Client Credentials authentication successfully.");
return(SignIn(authenticationTicket.Principal, authenticationTicket.Properties, authenticationTicket.AuthenticationScheme));
}
return(BadRequest("Invalid grant type"));
}
catch (Exception ex)
{
_logger.LogError(ex, ex.Message);
return(BadRequest(ex.Message));
}
}
public async Task <IActionResult> Exchange([ModelBinder(typeof(OpenIddictMvcBinder))]
OpenIdConnectRequest request)
{
try
{
if (request.IsClientCredentialsGrantType())
{
// Note: the client credentials are automatically validated by OpenIddict:
// if client_id or client_secret are invalid, this action will not be invoked
var ticket = await _mediator.Send(new ClientCredentialsRequest { ClientId = request.ClientId }, HttpContext.RequestAborted);
return(SignIn(ticket.Principal, ticket.Properties, ticket.AuthenticationScheme));
}
}
catch (IdentityException ex)
{
return(BadRequest(ex.Response));
}
return(BadRequest(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.UnsupportedGrantType,
ErrorDescription = "The specified grant type is not supported."
}));
}
public async Task <IActionResult> Login(OpenIdConnectRequest request, Profile profile)
{
if (request.IsClientCredentialsGrantType())
{
var application = await _applicationManager.FindByClientIdAsync(request.ClientId, HttpContext.RequestAborted);
if (application == null)
{
return(BadRequest(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.InvalidClient,
ErrorDescription = "Id Клиента не найден в базе данных."
}));
}
if (!await _repository.GetProfileAsync(profile.Login, profile.Password))
{
return(BadRequest(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.UnsupportedGrantType,
ErrorDescription = "Login or PAssword не совпадают."
}));
}
var idprofile = await _repository.GetProfileIdAsync(profile.Login, profile.Password);
var i = idprofile.ToString();
request.Username = i.ToString();
var ticket = CreateTicket(request, application);
return(SignIn(ticket.Principal, ticket.Properties, ticket.AuthenticationScheme));
}
else if (request.IsRefreshTokenGrantType())
{
var info = await HttpContext.AuthenticateAsync(OpenIdConnectServerDefaults.AuthenticationScheme);
var application = await _applicationManager.FindByClientIdAsync(request.ClientId, HttpContext.RequestAborted);
if (application == null)
{
return(BadRequest(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.InvalidClient,
ErrorDescription = "Id Клиента не найден в базе данных."
}));
}
var ticket = CreateTicket(request, application);
return(SignIn(ticket.Principal, ticket.Properties, ticket.AuthenticationScheme));
}
return(BadRequest(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.UnsupportedGrantType,
ErrorDescription = "The specified grant type is not supported."
}));
}
public void IsClientCredentialsGrantType_ReturnsExpectedResult(string type, bool result)
{
// Arrange
var request = new OpenIdConnectRequest();
request.GrantType = type;
// Act and assert
Assert.Equal(result, request.IsClientCredentialsGrantType());
}
private async Task <IActionResult> HandleAuthorizationFlow(OpenIdConnectRequest request)
{
if (request.IsClientCredentialsGrantType())
{
return(await HandleClientCredentialsGrantTypeFlow(request));
}
return(BadRequest(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.UnsupportedGrantType,
ErrorDescription = "The specified grant type is not supported."
}));
}
public async Task <ActionResult> Exchange(OpenIdConnectRequest request)
{
Debug.Assert(request.IsTokenRequest(),
"The OpenIddict binder for ASP.NET Core MVC is not registered. " +
"Make sure services.AddOpenIddict().AddMvcBinders() is correctly called.");
if (request.IsPasswordGrantType())
{
var user = await _userManager.FindByNameAsync(request.Username);
if (user == null)
{
return(BadRequest(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.InvalidGrant,
ErrorDescription = "The username/password couple is invalid."
}));
}
// Validate the username/password parameters and ensure the account is not locked out.
var result = await _signInManager.CheckPasswordSignInAsync(user, request.Password, lockoutOnFailure : true);
if (!result.Succeeded)
{
return(BadRequest(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.InvalidGrant,
ErrorDescription = "The username/password couple is invalid."
}));
}
// Create a new authentication ticket.
var ticket = await CreateTicketAsync(request, user);
var claimsPrincipal = await _userClaimsPrincipalFactory.CreateAsync(user);
var limitedPermissions = _authorizationOptions.LimitedCookiePermissions?.Split(PlatformConstants.Security.Claims.PermissionClaimTypeDelimiter, StringSplitOptions.RemoveEmptyEntries) ?? new string[0];
if (!user.IsAdministrator)
{
limitedPermissions = claimsPrincipal
.Claims
.Where(c => c.Type == PlatformConstants.Security.Claims.PermissionClaimType)
.Select(c => c.Value)
.Intersect(limitedPermissions, StringComparer.OrdinalIgnoreCase)
.ToArray();
}
if (limitedPermissions.Any())
{
// Set limited permissions and authenticate user with combined mode Cookies + Bearer.
//
// LimitedPermissions claims that will be granted to the user by cookies when bearer token authentication is enabled.
// This can help to authorize the user for direct(non - AJAX) GET requests to the VC platform API and / or to use some 3rd - party web applications for the VC platform(like Hangfire dashboard).
//
// If the user identity has claim named "limited_permissions", this attribute should authorize only permissions listed in that claim. Any permissions that are required by this attribute but
// not listed in the claim should cause this method to return false. However, if permission limits of user identity are not defined ("limited_permissions" claim is missing),
// then no limitations should be applied to the permissions.
((ClaimsIdentity)claimsPrincipal.Identity).AddClaim(new Claim(PlatformConstants.Security.Claims.LimitedPermissionsClaimType, string.Join(PlatformConstants.Security.Claims.PermissionClaimTypeDelimiter, limitedPermissions)));
await HttpContext.SignInAsync(IdentityConstants.ApplicationScheme, claimsPrincipal);
}
return(SignIn(ticket.Principal, ticket.Properties, ticket.AuthenticationScheme));
}
else if (request.IsAuthorizationCodeGrantType() || request.IsRefreshTokenGrantType())
{
// Retrieve the claims principal stored in the authorization code/refresh token.
var info = await HttpContext.AuthenticateAsync(OpenIdConnectServerDefaults.AuthenticationScheme);
// Retrieve the user profile corresponding to the authorization code/refresh token.
// Note: if you want to automatically invalidate the authorization code/refresh token
// when the user password/roles change, use the following line instead:
// var user = _signInManager.ValidateSecurityStampAsync(info.Principal);
var user = await _userManager.GetUserAsync(info.Principal);
if (user == null)
{
return(BadRequest(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.InvalidGrant,
ErrorDescription = "The token is no longer valid."
}));
}
// Ensure the user is still allowed to sign in.
if (!await _signInManager.CanSignInAsync(user))
{
return(BadRequest(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.InvalidGrant,
ErrorDescription = "The user is no longer allowed to sign in."
}));
}
// Create a new authentication ticket, but reuse the properties stored in the
// authorization code/refresh token, including the scopes originally granted.
var ticket = await CreateTicketAsync(request, user, info.Properties);
return(SignIn(ticket.Principal, ticket.Properties, ticket.AuthenticationScheme));
}
else if (request.IsClientCredentialsGrantType())
{
// Note: the client credentials are automatically validated by OpenIddict:
// if client_id or client_secret are invalid, this action won't be invoked.
var application = await _applicationManager.FindByClientIdAsync(request.ClientId, HttpContext.RequestAborted);
if (application == null)
{
return(BadRequest(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.InvalidClient,
ErrorDescription = "The client application was not found in the database."
}));
}
// Create a new authentication ticket.
var ticket = CreateTicket(request, application);
return(SignIn(ticket.Principal, ticket.Properties, ticket.AuthenticationScheme));
}
return(BadRequest(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.UnsupportedGrantType,
ErrorDescription = "The specified grant type is not supported."
}));
}
private async Task <bool> InvokeTokenEndpointAsync()
{
if (!string.Equals(Request.Method, "POST", StringComparison.OrdinalIgnoreCase))
{
Options.Logger.LogError("The token request was rejected because an invalid " +
"HTTP method was received: {Method}.", Request.Method);
return(await SendTokenResponseAsync(new OpenIdConnectResponse {
Error = OpenIdConnectConstants.Errors.InvalidRequest,
ErrorDescription = "A malformed token request has been received: make sure to use POST."
}));
}
// See http://openid.net/specs/openid-connect-core-1_0.html#FormSerialization
if (string.IsNullOrEmpty(Request.ContentType))
{
Options.Logger.LogError("The token request was rejected because the " +
"mandatory 'Content-Type' header was missing.");
return(await SendTokenResponseAsync(new OpenIdConnectResponse {
Error = OpenIdConnectConstants.Errors.InvalidRequest,
ErrorDescription = "A malformed token request has been received: " +
"the mandatory 'Content-Type' header was missing from the POST request."
}));
}
// May have media/type; charset=utf-8, allow partial match.
if (!Request.ContentType.StartsWith("application/x-www-form-urlencoded", StringComparison.OrdinalIgnoreCase))
{
Options.Logger.LogError("The token request was rejected because an invalid 'Content-Type' " +
"header was received: {ContentType}.", Request.ContentType);
return(await SendTokenResponseAsync(new OpenIdConnectResponse {
Error = OpenIdConnectConstants.Errors.InvalidRequest,
ErrorDescription = "A malformed token request has been received: " +
"the 'Content-Type' header contained an unexcepted value. " +
"Make sure to use 'application/x-www-form-urlencoded'."
}));
}
var request = new OpenIdConnectRequest(await Request.ReadFormAsync());
// Note: set the message type before invoking the ExtractTokenRequest event.
request.SetProperty(OpenIdConnectConstants.Properties.MessageType,
OpenIdConnectConstants.MessageTypes.Token);
// Store the token request in the OWIN context.
Context.SetOpenIdConnectRequest(request);
var @event = new ExtractTokenRequestContext(Context, Options, request);
await Options.Provider.ExtractTokenRequest(@event);
if (@event.HandledResponse)
{
return(true);
}
else if (@event.Skipped)
{
return(false);
}
else if (@event.IsRejected)
{
Options.Logger.LogError("The token request was rejected with the following error: {Error} ; {Description}",
/* Error: */ @event.Error ?? OpenIdConnectConstants.Errors.InvalidRequest,
/* Description: */ @event.ErrorDescription);
return(await SendTokenResponseAsync(new OpenIdConnectResponse {
Error = @event.Error ?? OpenIdConnectConstants.Errors.InvalidRequest,
ErrorDescription = @event.ErrorDescription,
ErrorUri = @event.ErrorUri
}));
}
// Reject token requests missing the mandatory grant_type parameter.
if (string.IsNullOrEmpty(request.GrantType))
{
Options.Logger.LogError("The token request was rejected because the grant type was missing.");
return(await SendTokenResponseAsync(new OpenIdConnectResponse {
Error = OpenIdConnectConstants.Errors.InvalidRequest,
ErrorDescription = "The mandatory 'grant_type' parameter was missing.",
}));
}
// Reject grant_type=authorization_code requests if the authorization endpoint is disabled.
else if (request.IsAuthorizationCodeGrantType() && !Options.AuthorizationEndpointPath.HasValue)
{
Options.Logger.LogError("The token request was rejected because the authorization code grant was disabled.");
return(await SendTokenResponseAsync(new OpenIdConnectResponse {
Error = OpenIdConnectConstants.Errors.UnsupportedGrantType,
ErrorDescription = "The authorization code grant is not allowed by this authorization server."
}));
}
// Reject grant_type=authorization_code requests missing the authorization code.
// See https://tools.ietf.org/html/rfc6749#section-4.1.3
else if (request.IsAuthorizationCodeGrantType() && string.IsNullOrEmpty(request.Code))
{
Options.Logger.LogError("The token request was rejected because the authorization code was missing.");
return(await SendTokenResponseAsync(new OpenIdConnectResponse {
Error = OpenIdConnectConstants.Errors.InvalidRequest,
ErrorDescription = "The mandatory 'code' parameter was missing."
}));
}
// Reject grant_type=refresh_token requests missing the refresh token.
// See https://tools.ietf.org/html/rfc6749#section-6
else if (request.IsRefreshTokenGrantType() && string.IsNullOrEmpty(request.RefreshToken))
{
Options.Logger.LogError("The token request was rejected because the refresh token was missing.");
return(await SendTokenResponseAsync(new OpenIdConnectResponse {
Error = OpenIdConnectConstants.Errors.InvalidRequest,
ErrorDescription = "The mandatory 'refresh_token' parameter was missing."
}));
}
// Reject grant_type=password requests missing username or password.
// See https://tools.ietf.org/html/rfc6749#section-4.3.2
else if (request.IsPasswordGrantType() && (string.IsNullOrEmpty(request.Username) ||
string.IsNullOrEmpty(request.Password)))
{
Options.Logger.LogError("The token request was rejected because the resource owner credentials were missing.");
return(await SendTokenResponseAsync(new OpenIdConnectResponse {
Error = OpenIdConnectConstants.Errors.InvalidRequest,
ErrorDescription = "The mandatory 'username' and/or 'password' parameters " +
"was/were missing from the request message."
}));
}
// When client_id and client_secret are both null, try to extract them from the Authorization header.
// See http://tools.ietf.org/html/rfc6749#section-2.3.1 and
// http://openid.net/specs/openid-connect-core-1_0.html#ClientAuthentication
if (string.IsNullOrEmpty(request.ClientId) && string.IsNullOrEmpty(request.ClientSecret))
{
var header = Request.Headers.Get("Authorization");
if (!string.IsNullOrEmpty(header) && header.StartsWith("Basic ", StringComparison.OrdinalIgnoreCase))
{
try {
var value = header.Substring("Basic ".Length).Trim();
var data = Encoding.UTF8.GetString(Convert.FromBase64String(value));
var index = data.IndexOf(':');
if (index >= 0)
{
request.ClientId = data.Substring(0, index);
request.ClientSecret = data.Substring(index + 1);
}
}
catch (FormatException) { }
catch (ArgumentException) { }
}
}
var context = new ValidateTokenRequestContext(Context, Options, request);
await Options.Provider.ValidateTokenRequest(context);
// If the validation context was set as fully validated,
// mark the OpenID Connect request as confidential.
if (context.IsValidated)
{
request.SetProperty(OpenIdConnectConstants.Properties.ConfidentialityLevel,
OpenIdConnectConstants.ConfidentialityLevels.Private);
}
if (context.HandledResponse)
{
return(true);
}
else if (context.Skipped)
{
return(false);
}
else if (context.IsRejected)
{
Options.Logger.LogError("The token request was rejected with the following error: {Error} ; {Description}",
/* Error: */ context.Error ?? OpenIdConnectConstants.Errors.InvalidRequest,
/* Description: */ context.ErrorDescription);
return(await SendTokenResponseAsync(new OpenIdConnectResponse {
Error = context.Error ?? OpenIdConnectConstants.Errors.InvalidRequest,
ErrorDescription = context.ErrorDescription,
ErrorUri = context.ErrorUri
}));
}
// Reject grant_type=client_credentials requests if validation was skipped.
else if (context.IsSkipped && request.IsClientCredentialsGrantType())
{
Options.Logger.LogError("The token request must be fully validated to use the client_credentials grant type.");
return(await SendTokenResponseAsync(new OpenIdConnectResponse {
Error = OpenIdConnectConstants.Errors.InvalidGrant,
ErrorDescription = "Client authentication is required when using client_credentials."
}));
}
// Ensure that the client_id has been set from the ValidateTokenRequest event.
else if (context.IsValidated && string.IsNullOrEmpty(request.ClientId))
{
Options.Logger.LogError("The token request was validated but the client_id was not set.");
return(await SendTokenResponseAsync(new OpenIdConnectResponse {
Error = OpenIdConnectConstants.Errors.ServerError,
ErrorDescription = "An internal server error occurred."
}));
}
// At this stage, client_id cannot be null for grant_type=authorization_code requests,
// as it must either be set in the ValidateTokenRequest notification
// by the developer or manually flowed by non-confidential client applications.
// See https://tools.ietf.org/html/rfc6749#section-4.1.3
if (request.IsAuthorizationCodeGrantType() && string.IsNullOrEmpty(request.ClientId))
{
Options.Logger.LogError("The token request was rejected because the mandatory 'client_id' was missing.");
return(await SendTokenResponseAsync(new OpenIdConnectResponse {
Error = OpenIdConnectConstants.Errors.InvalidRequest,
ErrorDescription = "client_id was missing from the token request"
}));
}
AuthenticationTicket ticket = null;
// See http://tools.ietf.org/html/rfc6749#section-4.1
// and http://tools.ietf.org/html/rfc6749#section-4.1.3 (authorization code grant).
// See http://tools.ietf.org/html/rfc6749#section-6 (refresh token grant).
if (request.IsAuthorizationCodeGrantType() || request.IsRefreshTokenGrantType())
{
ticket = request.IsAuthorizationCodeGrantType() ?
await DeserializeAuthorizationCodeAsync(request.Code, request) :
await DeserializeRefreshTokenAsync(request.RefreshToken, request);
if (ticket == null)
{
Options.Logger.LogError("The token request was rejected because the " +
"authorization code or the refresh token was invalid.");
return(await SendTokenResponseAsync(new OpenIdConnectResponse {
Error = OpenIdConnectConstants.Errors.InvalidGrant,
ErrorDescription = "Invalid ticket"
}));
}
// If the client was fully authenticated when retrieving its refresh token,
// the current request must be rejected if client authentication was not enforced.
if (request.IsRefreshTokenGrantType() && !context.IsValidated && ticket.IsConfidential())
{
Options.Logger.LogError("The token request was rejected because client authentication " +
"was required to use the confidential refresh token.");
return(await SendTokenResponseAsync(new OpenIdConnectResponse {
Error = OpenIdConnectConstants.Errors.InvalidGrant,
ErrorDescription = "Client authentication is required to use this ticket"
}));
}
if (ticket.Properties.ExpiresUtc.HasValue &&
ticket.Properties.ExpiresUtc < Options.SystemClock.UtcNow)
{
Options.Logger.LogError("The token request was rejected because the " +
"authorization code or the refresh token was expired.");
return(await SendTokenResponseAsync(new OpenIdConnectResponse {
Error = OpenIdConnectConstants.Errors.InvalidGrant,
ErrorDescription = "Expired ticket"
}));
}
// Note: presenters may be empty during a grant_type=refresh_token request if the refresh token
// was issued to a public client but cannot be null for an authorization code grant request.
var presenters = ticket.GetPresenters();
if (request.IsAuthorizationCodeGrantType() && !presenters.Any())
{
Options.Logger.LogError("The token request was rejected because the authorization " +
"code didn't contain any valid presenter.");
return(await SendTokenResponseAsync(new OpenIdConnectResponse {
Error = OpenIdConnectConstants.Errors.ServerError,
ErrorDescription = "An internal server error occurred."
}));
}
// Ensure the authorization code/refresh token was issued to the client application making the token request.
// Note: when using the refresh token grant, client_id is optional but must validated if present.
// As a consequence, this check doesn't depend on the actual status of client authentication.
// See https://tools.ietf.org/html/rfc6749#section-6
// and http://openid.net/specs/openid-connect-core-1_0.html#RefreshingAccessToken
if (!string.IsNullOrEmpty(request.ClientId) && presenters.Any() &&
!presenters.Contains(request.ClientId, StringComparer.Ordinal))
{
Options.Logger.LogError("The token request was rejected because the authorization " +
"code was issued to a different client application.");
return(await SendTokenResponseAsync(new OpenIdConnectResponse {
Error = OpenIdConnectConstants.Errors.InvalidGrant,
ErrorDescription = "Ticket does not contain matching client_id"
}));
}
// Validate the redirect_uri flowed by the client application during this token request.
// Note: for pure OAuth2 requests, redirect_uri is only mandatory if the authorization request
// contained an explicit redirect_uri. OpenID Connect requests MUST include a redirect_uri
// but the specifications allow proceeding the token request without returning an error
// if the authorization request didn't contain an explicit redirect_uri.
// See https://tools.ietf.org/html/rfc6749#section-4.1.3
// and http://openid.net/specs/openid-connect-core-1_0.html#TokenRequestValidation
var address = ticket.GetProperty(OpenIdConnectConstants.Properties.RedirectUri);
if (request.IsAuthorizationCodeGrantType() && !string.IsNullOrEmpty(address))
{
ticket.SetProperty(OpenIdConnectConstants.Properties.RedirectUri, null);
if (string.IsNullOrEmpty(request.RedirectUri))
{
Options.Logger.LogError("The token request was rejected because the mandatory 'redirect_uri' " +
"parameter was missing from the grant_type=authorization_code request.");
return(await SendTokenResponseAsync(new OpenIdConnectResponse {
Error = OpenIdConnectConstants.Errors.InvalidRequest,
ErrorDescription = "redirect_uri was missing from the token request"
}));
}
else if (!string.Equals(address, request.RedirectUri, StringComparison.Ordinal))
{
Options.Logger.LogError("The token request was rejected because the 'redirect_uri' " +
"parameter didn't correspond to the expected value.");
return(await SendTokenResponseAsync(new OpenIdConnectResponse {
Error = OpenIdConnectConstants.Errors.InvalidGrant,
ErrorDescription = "Authorization code does not contain matching redirect_uri"
}));
}
}
// If a code challenge was initially sent in the authorization request and associated with the
// code, validate the code verifier to ensure the token request is sent by a legit caller.
var challenge = ticket.GetProperty(OpenIdConnectConstants.Properties.CodeChallenge);
if (request.IsAuthorizationCodeGrantType() && !string.IsNullOrEmpty(challenge))
{
ticket.SetProperty(OpenIdConnectConstants.Properties.CodeChallenge, null);
// Get the code verifier from the token request.
// If it cannot be found, return an invalid_grant error.
var verifier = request.CodeVerifier;
if (string.IsNullOrEmpty(verifier))
{
Options.Logger.LogError("The token request was rejected because the required 'code_verifier' " +
"parameter was missing from the grant_type=authorization_code request.");
return(await SendTokenResponseAsync(new OpenIdConnectResponse {
Error = OpenIdConnectConstants.Errors.InvalidRequest,
ErrorDescription = "The required 'code_verifier' was missing from the token request."
}));
}
// Note: the code challenge method is always validated when receiving the authorization request.
var method = ticket.GetProperty(OpenIdConnectConstants.Properties.CodeChallengeMethod);
ticket.SetProperty(OpenIdConnectConstants.Properties.CodeChallengeMethod, null);
Debug.Assert(string.IsNullOrEmpty(method) ||
string.Equals(method, OpenIdConnectConstants.CodeChallengeMethods.Plain, StringComparison.Ordinal) ||
string.Equals(method, OpenIdConnectConstants.CodeChallengeMethods.Sha256, StringComparison.Ordinal),
"The specified code challenge method should be supported.");
// If the S256 challenge method was used, compute the hash corresponding to the code verifier.
if (string.Equals(method, OpenIdConnectConstants.CodeChallengeMethods.Sha256, StringComparison.Ordinal))
{
using (var algorithm = SHA256.Create()) {
// Compute the SHA-256 hash of the code verifier and encode it using base64-url.
// See https://tools.ietf.org/html/rfc7636#section-4.6 for more information.
var hash = algorithm.ComputeHash(Encoding.ASCII.GetBytes(request.CodeVerifier));
verifier = Base64UrlEncoder.Encode(hash);
}
}
// Compare the verifier and the code challenge: if the two don't match, return an error.
// Note: to prevent timing attacks, a time-constant comparer is always used.
if (!OpenIdConnectServerHelpers.AreEqual(verifier, challenge))
{
Options.Logger.LogError("The token request was rejected because the 'code_verifier' was invalid.");
return(await SendTokenResponseAsync(new OpenIdConnectResponse {
Error = OpenIdConnectConstants.Errors.InvalidGrant,
ErrorDescription = "The specified 'code_verifier' was invalid."
}));
}
}
if (request.IsRefreshTokenGrantType() && !string.IsNullOrEmpty(request.Resource))
{
// When an explicit resource parameter has been included in the token request
// but was missing from the initial request, the request MUST be rejected.
var resources = ticket.GetResources();
if (!resources.Any())
{
Options.Logger.LogError("The token request was rejected because the 'resource' parameter was not allowed.");
return(await SendTokenResponseAsync(new OpenIdConnectResponse {
Error = OpenIdConnectConstants.Errors.InvalidGrant,
ErrorDescription = "Token request cannot contain a resource parameter " +
"if the authorization request didn't contain one"
}));
}
// When an explicit resource parameter has been included in the token request,
// the authorization server MUST ensure that it doesn't contain resources
// that were not allowed during the initial authorization/token request.
else if (!new HashSet <string>(resources).IsSupersetOf(request.GetResources()))
{
Options.Logger.LogError("The token request was rejected because the 'resource' parameter was not valid.");
return(await SendTokenResponseAsync(new OpenIdConnectResponse {
Error = OpenIdConnectConstants.Errors.InvalidGrant,
ErrorDescription = "Token request doesn't contain a valid resource parameter"
}));
}
}
if (request.IsRefreshTokenGrantType() && !string.IsNullOrEmpty(request.Scope))
{
// When an explicit scope parameter has been included in the token request
// but was missing from the initial request, the request MUST be rejected.
// See http://tools.ietf.org/html/rfc6749#section-6
var scopes = ticket.GetScopes();
if (!scopes.Any())
{
Options.Logger.LogError("The token request was rejected because the 'scope' parameter was not allowed.");
return(await SendTokenResponseAsync(new OpenIdConnectResponse {
Error = OpenIdConnectConstants.Errors.InvalidGrant,
ErrorDescription = "Token request cannot contain a scope parameter " +
"if the authorization request didn't contain one"
}));
}
// When an explicit scope parameter has been included in the token request,
// the authorization server MUST ensure that it doesn't contain scopes
// that were not allowed during the initial authorization/token request.
// See https://tools.ietf.org/html/rfc6749#section-6
else if (!new HashSet <string>(scopes).IsSupersetOf(request.GetScopes()))
{
Options.Logger.LogError("The token request was rejected because the 'scope' parameter was not valid.");
return(await SendTokenResponseAsync(new OpenIdConnectResponse {
Error = OpenIdConnectConstants.Errors.InvalidGrant,
ErrorDescription = "Token request doesn't contain a valid scope parameter"
}));
}
}
}
var notification = new HandleTokenRequestContext(Context, Options, request, ticket);
await Options.Provider.HandleTokenRequest(notification);
if (notification.HandledResponse)
{
return(true);
}
else if (notification.Skipped)
{
return(false);
}
else if (notification.IsRejected)
{
Options.Logger.LogError("The token request was rejected with the following error: {Error} ; {Description}",
/* Error: */ notification.Error ?? OpenIdConnectConstants.Errors.InvalidGrant,
/* Description: */ notification.ErrorDescription);
return(await SendTokenResponseAsync(new OpenIdConnectResponse {
Error = notification.Error ?? OpenIdConnectConstants.Errors.InvalidGrant,
ErrorDescription = notification.ErrorDescription,
ErrorUri = notification.ErrorUri
}));
}
// Flow the changes made to the ticket.
ticket = notification.Ticket;
// Ensure an authentication ticket has been provided or return
// an error code indicating that the grant type is not supported.
if (ticket == null)
{
Options.Logger.LogError("The token request was rejected because no authentication " +
"ticket was returned by application code.");
return(await SendTokenResponseAsync(new OpenIdConnectResponse {
Error = OpenIdConnectConstants.Errors.UnsupportedGrantType,
ErrorDescription = "The specified grant_type parameter is not supported."
}));
}
return(await HandleSignInAsync(ticket));
}
public async Task <IActionResult> Exchange(OpenIdConnectRequest request)
{
Debug.Assert(request.IsTokenRequest(),
"The OpenIddict binder for ASP.NET Core MVC is not registered. " +
"Make sure services.AddOpenIddict().AddMvcBinders() is correctly called.");
if (request.IsPasswordGrantType())
{
var user = await _userManager.FindByNameAsync(request.Username);
if (user == null)
{
return(BadRequest(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.InvalidGrant,
ErrorDescription = "The username/password couple is invalid."
}));
}
// Validate the username/password parameters and ensure the account is not locked out.
var result = await _signInManager.CheckPasswordSignInAsync(user, request.Password, lockoutOnFailure : true);
if (!result.Succeeded)
{
return(BadRequest(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.InvalidGrant,
ErrorDescription = "The username/password couple is invalid."
}));
}
// Create a new authentication ticket.
var ticket = await CreateTicketAsync(request, user);
return(SignIn(ticket.Principal, ticket.Properties, ticket.AuthenticationScheme));
}
else if (request.IsAuthorizationCodeGrantType() || request.IsRefreshTokenGrantType())
{
// Retrieve the claims principal stored in the authorization code/refresh token.
var info = await HttpContext.AuthenticateAsync(OpenIdConnectServerDefaults.AuthenticationScheme);
// Retrieve the user profile corresponding to the authorization code/refresh token.
// Note: if you want to automatically invalidate the authorization code/refresh token
// when the user password/roles change, use the following line instead:
// var user = _signInManager.ValidateSecurityStampAsync(info.Principal);
var user = await _userManager.GetUserAsync(info.Principal);
if (user == null)
{
return(BadRequest(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.InvalidGrant,
ErrorDescription = "The token is no longer valid."
}));
}
// Ensure the user is still allowed to sign in.
if (!await _signInManager.CanSignInAsync(user))
{
return(BadRequest(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.InvalidGrant,
ErrorDescription = "The user is no longer allowed to sign in."
}));
}
// Create a new authentication ticket, but reuse the properties stored in the
// authorization code/refresh token, including the scopes originally granted.
var ticket = await CreateTicketAsync(request, user, info.Properties);
return(SignIn(ticket.Principal, ticket.Properties, ticket.AuthenticationScheme));
}
else if (request.IsClientCredentialsGrantType())
{
// Note: the client credentials are automatically validated by OpenIddict:
// if client_id or client_secret are invalid, this action won't be invoked.
var application = await _applicationManager.FindByClientIdAsync(request.ClientId, HttpContext.RequestAborted);
if (application == null)
{
return(BadRequest(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.InvalidClient,
ErrorDescription = "The client application was not found in the database."
}));
}
// Create a new authentication ticket.
var ticket = CreateTicket(request, application);
return(SignIn(ticket.Principal, ticket.Properties, ticket.AuthenticationScheme));
}
return(BadRequest(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.UnsupportedGrantType,
ErrorDescription = "The specified grant type is not supported."
}));
}
private async Task <bool> InvokeTokenEndpointAsync()
{
if (!HttpMethods.IsPost(Request.Method))
{
Logger.LogError("The token request was rejected because an invalid " +
"HTTP method was specified: {Method}.", Request.Method);
return(await SendTokenResponseAsync(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.InvalidRequest,
ErrorDescription = "The specified HTTP method is not valid."
}));
}
// See http://openid.net/specs/openid-connect-core-1_0.html#FormSerialization
if (string.IsNullOrEmpty(Request.ContentType))
{
Logger.LogError("The token request was rejected because the " +
"mandatory 'Content-Type' header was missing.");
return(await SendTokenResponseAsync(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.InvalidRequest,
ErrorDescription = "The mandatory 'Content-Type' header must be specified."
}));
}
// May have media/type; charset=utf-8, allow partial match.
if (!Request.ContentType.StartsWith("application/x-www-form-urlencoded", StringComparison.OrdinalIgnoreCase))
{
Logger.LogError("The token request was rejected because an invalid 'Content-Type' " +
"header was specified: {ContentType}.", Request.ContentType);
return(await SendTokenResponseAsync(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.InvalidRequest,
ErrorDescription = "The specified 'Content-Type' header is not valid."
}));
}
var request = new OpenIdConnectRequest(await Request.ReadFormAsync(Context.RequestAborted));
// Note: set the message type before invoking the ExtractTokenRequest event.
request.SetProperty(OpenIdConnectConstants.Properties.MessageType,
OpenIdConnectConstants.MessageTypes.TokenRequest);
// Store the token request in the ASP.NET context.
Context.SetOpenIdConnectRequest(request);
var @event = new ExtractTokenRequestContext(Context, Scheme, Options, request);
await Provider.ExtractTokenRequest(@event);
if (@event.Result != null)
{
if (@event.Result.Handled)
{
Logger.LogDebug("The token request was handled in user code.");
return(true);
}
else if (@event.Result.Skipped)
{
Logger.LogDebug("The default token request handling was skipped from user code.");
return(false);
}
}
else if (@event.IsRejected)
{
Logger.LogError("The token request was rejected with the following error: {Error} ; {Description}",
/* Error: */ @event.Error ?? OpenIdConnectConstants.Errors.InvalidRequest,
/* Description: */ @event.ErrorDescription);
return(await SendTokenResponseAsync(new OpenIdConnectResponse
{
Error = @event.Error ?? OpenIdConnectConstants.Errors.InvalidRequest,
ErrorDescription = @event.ErrorDescription,
ErrorUri = @event.ErrorUri
}));
}
Logger.LogInformation("The token request was successfully extracted " +
"from the HTTP request: {Request}.", request);
// Reject token requests missing the mandatory grant_type parameter.
if (string.IsNullOrEmpty(request.GrantType))
{
Logger.LogError("The token request was rejected because the grant type was missing.");
return(await SendTokenResponseAsync(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.InvalidRequest,
ErrorDescription = "The mandatory 'grant_type' parameter is missing.",
}));
}
// Reject grant_type=authorization_code requests if the authorization endpoint is disabled.
else if (request.IsAuthorizationCodeGrantType() && !Options.AuthorizationEndpointPath.HasValue)
{
Logger.LogError("The token request was rejected because the authorization code grant was disabled.");
return(await SendTokenResponseAsync(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.UnsupportedGrantType,
ErrorDescription = "The authorization code grant is not allowed by this authorization server."
}));
}
// Reject grant_type=authorization_code requests missing the authorization code.
// See https://tools.ietf.org/html/rfc6749#section-4.1.3
else if (request.IsAuthorizationCodeGrantType() && string.IsNullOrEmpty(request.Code))
{
Logger.LogError("The token request was rejected because the authorization code was missing.");
return(await SendTokenResponseAsync(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.InvalidRequest,
ErrorDescription = "The mandatory 'code' parameter is missing."
}));
}
// Reject grant_type=refresh_token requests missing the refresh token.
// See https://tools.ietf.org/html/rfc6749#section-6
else if (request.IsRefreshTokenGrantType() && string.IsNullOrEmpty(request.RefreshToken))
{
Logger.LogError("The token request was rejected because the refresh token was missing.");
return(await SendTokenResponseAsync(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.InvalidRequest,
ErrorDescription = "The mandatory 'refresh_token' parameter is missing."
}));
}
// Reject grant_type=password requests missing username or password.
// See https://tools.ietf.org/html/rfc6749#section-4.3.2
else if (request.IsPasswordGrantType() && (string.IsNullOrEmpty(request.Username) ||
string.IsNullOrEmpty(request.Password)))
{
Logger.LogError("The token request was rejected because the resource owner credentials were missing.");
return(await SendTokenResponseAsync(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.InvalidRequest,
ErrorDescription = "The mandatory 'username' and/or 'password' parameters are missing."
}));
}
// Try to resolve the client credentials specified in the 'Authorization' header.
// If they cannot be extracted, fallback to the client_id/client_secret parameters.
var credentials = Request.Headers.GetClientCredentials();
if (credentials != null)
{
// Reject requests that use multiple client authentication methods.
// See https://tools.ietf.org/html/rfc6749#section-2.3 for more information.
if (!string.IsNullOrEmpty(request.ClientSecret))
{
Logger.LogError("The token request was rejected because multiple client credentials were specified.");
return(await SendTokenResponseAsync(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.InvalidRequest,
ErrorDescription = "Multiple client credentials cannot be specified."
}));
}
request.ClientId = credentials?.Key;
request.ClientSecret = credentials?.Value;
}
var context = new ValidateTokenRequestContext(Context, Scheme, Options, request);
await Provider.ValidateTokenRequest(context);
// If the validation context was set as fully validated,
// mark the OpenID Connect request as confidential.
if (context.IsValidated)
{
request.SetProperty(OpenIdConnectConstants.Properties.ConfidentialityLevel,
OpenIdConnectConstants.ConfidentialityLevels.Private);
}
if (context.Result != null)
{
if (context.Result.Handled)
{
Logger.LogDebug("The token request was handled in user code.");
return(true);
}
else if (context.Result.Skipped)
{
Logger.LogDebug("The default token request handling was skipped from user code.");
return(false);
}
}
else if (context.IsRejected)
{
Logger.LogError("The token request was rejected with the following error: {Error} ; {Description}",
/* Error: */ context.Error ?? OpenIdConnectConstants.Errors.InvalidRequest,
/* Description: */ context.ErrorDescription);
return(await SendTokenResponseAsync(new OpenIdConnectResponse
{
Error = context.Error ?? OpenIdConnectConstants.Errors.InvalidRequest,
ErrorDescription = context.ErrorDescription,
ErrorUri = context.ErrorUri
}));
}
// Reject grant_type=client_credentials requests if validation was skipped.
else if (context.IsSkipped && request.IsClientCredentialsGrantType())
{
Logger.LogError("The token request must be fully validated to use the client_credentials grant type.");
return(await SendTokenResponseAsync(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.InvalidGrant,
ErrorDescription = "Client authentication is required when using the client credentials grant."
}));
}
// At this stage, client_id cannot be null for grant_type=authorization_code requests,
// as it must either be set in the ValidateTokenRequest notification
// by the developer or manually flowed by non-confidential client applications.
// See https://tools.ietf.org/html/rfc6749#section-4.1.3
if (request.IsAuthorizationCodeGrantType() && string.IsNullOrEmpty(context.ClientId))
{
Logger.LogError("The token request was rejected because the mandatory 'client_id' was missing.");
return(await SendTokenResponseAsync(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.InvalidRequest,
ErrorDescription = "The mandatory 'client_id' parameter is missing."
}));
}
// Store the validated client_id as a request property.
request.SetProperty(OpenIdConnectConstants.Properties.ValidatedClientId, context.ClientId);
Logger.LogInformation("The token request was successfully validated.");
AuthenticationTicket ticket = null;
// See http://tools.ietf.org/html/rfc6749#section-4.1
// and http://tools.ietf.org/html/rfc6749#section-4.1.3 (authorization code grant).
// See http://tools.ietf.org/html/rfc6749#section-6 (refresh token grant).
if (request.IsAuthorizationCodeGrantType() || request.IsRefreshTokenGrantType())
{
ticket = request.IsAuthorizationCodeGrantType() ?
await DeserializeAuthorizationCodeAsync(request.Code, request) :
await DeserializeRefreshTokenAsync(request.RefreshToken, request);
if (ticket == null)
{
Logger.LogError("The token request was rejected because the " +
"authorization code or the refresh token was invalid.");
return(await SendTokenResponseAsync(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.InvalidGrant,
ErrorDescription = request.IsAuthorizationCodeGrantType() ?
"The specified authorization code is invalid." :
"The specified refresh token is invalid."
}));
}
// If the client was fully authenticated when retrieving its refresh token,
// the current request must be rejected if client authentication was not enforced.
if (request.IsRefreshTokenGrantType() && !context.IsValidated && ticket.IsConfidential())
{
Logger.LogError("The token request was rejected because client authentication " +
"was required to use the confidential refresh token.");
return(await SendTokenResponseAsync(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.InvalidGrant,
ErrorDescription = "Client authentication is required to use the specified refresh token."
}));
}
if (ticket.Properties.ExpiresUtc.HasValue &&
ticket.Properties.ExpiresUtc < Options.SystemClock.UtcNow)
{
Logger.LogError("The token request was rejected because the " +
"authorization code or the refresh token was expired.");
return(await SendTokenResponseAsync(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.InvalidGrant,
ErrorDescription = request.IsAuthorizationCodeGrantType() ?
"The specified authorization code is no longer valid." :
"The specified refresh token is no longer valid."
}));
}
// Note: presenters may be empty during a grant_type=refresh_token request if the refresh token
// was issued to a public client but cannot be null for an authorization code grant request.
var presenters = ticket.GetPresenters();
if (request.IsAuthorizationCodeGrantType() && !presenters.Any())
{
throw new InvalidOperationException("The presenters list cannot be extracted from the authorization code.");
}
// Ensure the authorization code/refresh token was issued to the client application making the token request.
// Note: when using the refresh token grant, client_id is optional but must validated if present.
// As a consequence, this check doesn't depend on the actual status of client authentication.
// See https://tools.ietf.org/html/rfc6749#section-6
// and http://openid.net/specs/openid-connect-core-1_0.html#RefreshingAccessToken
//if (!string.IsNullOrEmpty(context.ClientId) && presenters.Any() &&
// !presenters.Contains(context.ClientId, StringComparer.Ordinal))
//{
// Logger.LogError("The token request was rejected because the authorization " +
// "code was issued to a different client application.");
// return await SendTokenResponseAsync(new OpenIdConnectResponse
// {
// Error = OpenIdConnectConstants.Errors.InvalidGrant,
// ErrorDescription = request.IsAuthorizationCodeGrantType() ?
// "The specified authorization code cannot be used by this client application." :
// "The specified refresh token cannot be used by this client application."
// });
//}
// Validate the redirect_uri flowed by the client application during this token request.
// Note: for pure OAuth2 requests, redirect_uri is only mandatory if the authorization request
// contained an explicit redirect_uri. OpenID Connect requests MUST include a redirect_uri
// but the specifications allow proceeding the token request without returning an error
// if the authorization request didn't contain an explicit redirect_uri.
// See https://tools.ietf.org/html/rfc6749#section-4.1.3
// and http://openid.net/specs/openid-connect-core-1_0.html#TokenRequestValidation
var address = ticket.GetProperty(OpenIdConnectConstants.Properties.OriginalRedirectUri);
if (request.IsAuthorizationCodeGrantType() && !string.IsNullOrEmpty(address))
{
if (string.IsNullOrEmpty(request.RedirectUri))
{
Logger.LogError("The token request was rejected because the mandatory 'redirect_uri' " +
"parameter was missing from the grant_type=authorization_code request.");
return(await SendTokenResponseAsync(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.InvalidRequest,
ErrorDescription = "The mandatory 'redirect_uri' parameter is missing."
}));
}
else if (!string.Equals(address, request.RedirectUri, StringComparison.Ordinal))
{
Logger.LogError("The token request was rejected because the 'redirect_uri' " +
"parameter didn't correspond to the expected value.");
return(await SendTokenResponseAsync(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.InvalidGrant,
ErrorDescription = "The specified 'redirect_uri' parameter doesn't match the client " +
"redirection endpoint the authorization code was initially sent to."
}));
}
}
// If a code challenge was initially sent in the authorization request and associated with the
// code, validate the code verifier to ensure the token request is sent by a legit caller.
var challenge = ticket.GetProperty(OpenIdConnectConstants.Properties.CodeChallenge);
if (request.IsAuthorizationCodeGrantType() && !string.IsNullOrEmpty(challenge))
{
// Get the code verifier from the token request.
// If it cannot be found, return an invalid_grant error.
var verifier = request.CodeVerifier;
if (string.IsNullOrEmpty(verifier))
{
Logger.LogError("The token request was rejected because the required 'code_verifier' " +
"parameter was missing from the grant_type=authorization_code request.");
return(await SendTokenResponseAsync(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.InvalidRequest,
ErrorDescription = "The mandatory 'code_verifier' parameter is missing."
}));
}
// Note: the code challenge method is always validated when receiving the authorization request.
var method = ticket.GetProperty(OpenIdConnectConstants.Properties.CodeChallengeMethod);
Debug.Assert(string.IsNullOrEmpty(method) ||
string.Equals(method, OpenIdConnectConstants.CodeChallengeMethods.Plain, StringComparison.Ordinal) ||
string.Equals(method, OpenIdConnectConstants.CodeChallengeMethods.Sha256, StringComparison.Ordinal),
"The specified code challenge method should be supported.");
// If the S256 challenge method was used, compute the hash corresponding to the code verifier.
if (string.Equals(method, OpenIdConnectConstants.CodeChallengeMethods.Sha256, StringComparison.Ordinal))
{
using (var algorithm = SHA256.Create())
{
// Compute the SHA-256 hash of the code verifier and encode it using base64-url.
// See https://tools.ietf.org/html/rfc7636#section-4.6 for more information.
var hash = algorithm.ComputeHash(Encoding.ASCII.GetBytes(request.CodeVerifier));
verifier = Base64UrlEncoder.Encode(hash);
}
}
// Compare the verifier and the code challenge: if the two don't match, return an error.
// Note: to prevent timing attacks, a time-constant comparer is always used.
if (!OpenIdConnectServerHelpers.AreEqual(verifier, challenge))
{
Logger.LogError("The token request was rejected because the 'code_verifier' was invalid.");
return(await SendTokenResponseAsync(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.InvalidGrant,
ErrorDescription = "The specified 'code_verifier' parameter is invalid."
}));
}
}
if (request.IsRefreshTokenGrantType() && !string.IsNullOrEmpty(request.Scope))
{
// When an explicit scope parameter has been included in the token request
// but was missing from the initial request, the request MUST be rejected.
// See http://tools.ietf.org/html/rfc6749#section-6
var scopes = ticket.GetScopes();
if (!scopes.Any())
{
Logger.LogError("The token request was rejected because the 'scope' parameter was not allowed.");
return(await SendTokenResponseAsync(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.InvalidGrant,
ErrorDescription = "The 'scope' parameter is not valid in this context."
}));
}
// When an explicit scope parameter has been included in the token request,
// the authorization server MUST ensure that it doesn't contain scopes
// that were not allowed during the initial authorization/token request.
// See https://tools.ietf.org/html/rfc6749#section-6
else if (!new HashSet <string>(scopes).IsSupersetOf(request.GetScopes()))
{
Logger.LogError("The token request was rejected because the 'scope' parameter was not valid.");
return(await SendTokenResponseAsync(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.InvalidGrant,
ErrorDescription = "The specified 'scope' parameter is invalid."
}));
}
}
}
var notification = new HandleTokenRequestContext(Context, Scheme, Options, request, ticket);
await Provider.HandleTokenRequest(notification);
if (notification.Result != null)
{
if (notification.Result.Handled)
{
Logger.LogDebug("The token request was handled in user code.");
return(true);
}
else if (notification.Result.Skipped)
{
Logger.LogDebug("The default token request handling was skipped from user code.");
return(false);
}
}
else if (notification.IsRejected)
{
Logger.LogError("The token request was rejected with the following error: {Error} ; {Description}",
/* Error: */ notification.Error ?? OpenIdConnectConstants.Errors.InvalidGrant,
/* Description: */ notification.ErrorDescription);
return(await SendTokenResponseAsync(new OpenIdConnectResponse
{
Error = notification.Error ?? OpenIdConnectConstants.Errors.InvalidGrant,
ErrorDescription = notification.ErrorDescription,
ErrorUri = notification.ErrorUri
}));
}
// Flow the changes made to the ticket.
ticket = notification.Ticket;
// Ensure an authentication ticket has been provided or return
// an error code indicating that the request was rejected.
if (ticket == null)
{
Logger.LogError("The token request was rejected because it was not handled by the user code.");
return(await SendTokenResponseAsync(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.InvalidRequest,
ErrorDescription = "The token request was rejected by the authorization server."
}));
}
return(await SignInAsync(ticket));
}
public async Task <IActionResult> Exchange(OpenIdConnectRequest request)
{
Debug.Assert(request.IsTokenRequest(),
"The OpenIddict binder for ASP.NET Core MVC is not registered. " +
"Make sure services.AddOpenIddict().AddMvcBinders() is correctly called.");
if (request.IsPasswordGrantType())
{
var user = await _userManager.FindByEmailAsync(request.Username) ??
await _userManager.FindByNameAsync(request.Username);
if (user == null)
{
return(BadRequest(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.InvalidGrant,
ErrorDescription = "Please check that your email and password is correct"
}));
}
// Ensure the user is enabled.
if (!user.IsEnabled)
{
return(BadRequest(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.InvalidGrant,
ErrorDescription = "The specified user account is disabled"
}));
}
// Validate the username/password parameters and ensure the account is not locked out.
var result = await _signInManager.CheckPasswordSignInAsync(user, request.Password, true);
// Ensure the user is not already locked out.
if (result.IsLockedOut)
{
return(BadRequest(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.InvalidGrant,
ErrorDescription = "The specified user account has been suspended"
}));
}
// Reject the token request if two-factor authentication has been enabled by the user.
if (result.RequiresTwoFactor)
{
return(BadRequest(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.InvalidGrant,
ErrorDescription = "Invalid login procedure"
}));
}
// Ensure the user is allowed to sign in.
if (result.IsNotAllowed)
{
return(BadRequest(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.InvalidGrant,
ErrorDescription = "The specified user is not allowed to sign in"
}));
}
if (!result.Succeeded)
{
return(BadRequest(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.InvalidGrant,
ErrorDescription = "Please check that your email and password is correct"
}));
}
// Create a new authentication ticket.
var ticket = await CreateTicketAsync(request, user);
return(SignIn(ticket.Principal, ticket.Properties, ticket.AuthenticationScheme));
}
else if (request.IsRefreshTokenGrantType())
{
// Retrieve the claims principal stored in the refresh token.
var info = await HttpContext.AuthenticateAsync(OpenIdConnectServerDefaults.AuthenticationScheme);
// Retrieve the user profile corresponding to the refresh token.
// Note: if you want to automatically invalidate the refresh token
// when the user password/roles change, use the following line instead:
// var user = _signInManager.ValidateSecurityStampAsync(info.Principal);
var user = await _userManager.GetUserAsync(info.Principal);
if (user == null)
{
return(BadRequest(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.InvalidGrant,
ErrorDescription = "The refresh token is no longer valid"
}));
}
// Ensure the user is still allowed to sign in.
if (!await _signInManager.CanSignInAsync(user))
{
return(BadRequest(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.InvalidGrant,
ErrorDescription = "The user is no longer allowed to sign in"
}));
}
// Create a new authentication ticket, but reuse the properties stored
// in the refresh token, including the scopes originally granted.
var ticket = await CreateTicketAsync(request, user);
return(SignIn(ticket.Principal, ticket.Properties, ticket.AuthenticationScheme));
}
else if (request.IsClientCredentialsGrantType())
{
var application = await _applicationManager.FindByClientIdAsync(request.ClientId, HttpContext.RequestAborted);
if (application == null)
{
return(BadRequest(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.InvalidClient,
ErrorDescription = "The client application was not found in the database."
}));
}
var ticket = CreateWorkplaceSignInTicket(request, application);
return(SignIn(ticket.Principal, ticket.Properties, ticket.AuthenticationScheme));
}
return(BadRequest(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.UnsupportedGrantType,
ErrorDescription = "The specified grant type is not supported"
}));
}
public async Task <IActionResult> Exchange(OpenIdConnectRequest request)
{
Debug.Assert(request.IsTokenRequest(),
"The OpenIddict binder for ASP.NET Core MVC is not registered. " +
"Make sure services.AddOpenIddict().AddMvcBinders() is correctly called.");
if (request.IsPasswordGrantType())
{
var user = await _userManager.FindByNameAsync(request.Username);
if (user == null)
{
return(BadRequest(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.InvalidGrant,
ErrorDescription = "用户名或密码错误"
}));
}
if (user.IsDeleted)
{
return(BadRequest(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.InvalidGrant,
ErrorDescription = "用户名或密码错误"
}));
}
// Validate the username/password parameters and ensure the account is not locked out.
var result = await _signInManager.CheckPasswordSignInAsync(user, request.Password, lockoutOnFailure : true);
if (!result.Succeeded)
{
return(BadRequest(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.InvalidGrant,
ErrorDescription = "用户名或密码错误"
}));
}
// Create a new authentication ticket.
var ticket = await CreateTicketAsync(request, user);
await _userLoginLogManager.CreateAsync(new UserLoginLog
{
LoginTime = DateTime.Now,
TrueName = user.TrueName,
UserId = user.Id,
UserName = user.UserName,
OrganizationId = user.OrganizationId,
LoginApplication = request.ClientId,
LoginIp = HttpContext.Connection.RemoteIpAddress.ToString(),
}, CancellationToken.None);
return(SignIn(ticket.Principal, ticket.Properties, ticket.AuthenticationScheme));
}
else if (request.IsAuthorizationCodeGrantType() || request.IsRefreshTokenGrantType())
{
// Retrieve the claims principal stored in the authorization code/refresh token.
var info = await HttpContext.AuthenticateAsync(OpenIdConnectServerDefaults.AuthenticationScheme);
// Retrieve the user profile corresponding to the authorization code/refresh token.
// Note: if you want to automatically invalidate the authorization code/refresh token
// when the user password/roles change, use the following line instead:
// var user = _signInManager.ValidateSecurityStampAsync(info.Principal);
var user = await _userManager.GetUserAsync(info.Principal);
if (user == null)
{
return(BadRequest(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.InvalidGrant,
ErrorDescription = "The token is no longer valid."
}));
}
if (user.IsDeleted)
{
return(BadRequest(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.InvalidGrant,
ErrorDescription = "The token is no longer valid."
}));
}
// Ensure the user is still allowed to sign in.
if (!await _signInManager.CanSignInAsync(user))
{
return(BadRequest(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.InvalidGrant,
ErrorDescription = "The user is no longer allowed to sign in."
}));
}
// Create a new authentication ticket, but reuse the properties stored in the
// authorization code/refresh token, including the scopes originally granted.
var ticket = await CreateTicketAsync(request, user, info.Properties);
await _userLoginLogManager.CreateAsync(new UserLoginLog
{
LoginTime = DateTime.Now,
TrueName = user.TrueName,
UserId = user.Id,
UserName = user.UserName,
OrganizationId = user.OrganizationId,
LoginApplication = request.ClientId,
LoginIp = HttpContext.Connection.RemoteIpAddress.ToString(),
}, CancellationToken.None);
return(SignIn(ticket.Principal, ticket.Properties, ticket.AuthenticationScheme));
}
else if (request.GrantType == "openid")
{
var oid = request["openid"];
if (oid.HasValue)
{
string openId = oid.Value.Value.ToString();
string hasOpenid = _cache.GetString(openId);
if (hasOpenid == "1")
{
_cache.Remove(oid.Value.Value.ToString());
}
else
{
return(BadRequest(new OpenIdConnectResponse
{
Error = "illegal_request",
ErrorDescription = "非法请求"
}));
}
var user = _dbContext.Users.Where(x => x.WXOpenId == openId).FirstOrDefault();
if (user == null)
{
return(BadRequest(new OpenIdConnectResponse
{
Error = "login_error",
ErrorDescription = "用户不存在"
}));
}
if (user.IsDeleted)
{
return(BadRequest(new OpenIdConnectResponse
{
Error = "login_error",
ErrorDescription = "用户不存在"
}));
}
var ticket = await CreateTicketAsync(request, user);
await _userLoginLogManager.CreateAsync(new UserLoginLog
{
LoginTime = DateTime.Now,
TrueName = user.TrueName,
UserId = user.Id,
UserName = user.UserName,
OrganizationId = user.OrganizationId,
LoginApplication = request.ClientId,
LoginIp = HttpContext.Connection.RemoteIpAddress.ToString(),
}, CancellationToken.None);
return(SignIn(ticket.Principal, ticket.Properties, ticket.AuthenticationScheme));
}
}
else if (request.IsClientCredentialsGrantType())
{
var application = await _applicationManager.FindByClientIdAsync(request.ClientId, HttpContext.RequestAborted);
if (application == null)
{
return(BadRequest(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.InvalidClient,
ErrorDescription = "The client application was not found in the database."
}));
}
// Create a new authentication ticket.
var ticket = CreateApplicationTicket(request, application);
return(SignIn(ticket.Principal, ticket.Properties, ticket.AuthenticationScheme));
}
else if (request.GrantType == "face")
{
var faceImage = request["image"];
var username = request["username"];
if (faceImage.HasValue && username.HasValue)
{
string image = faceImage.Value.Value.ToString();
string uid = username.Value.Value.ToString();
BDFaceVerifyRequest faceRequest = new BDFaceVerifyRequest();
faceRequest.uid = uid;
faceRequest.topNum = 1;
faceRequest.image = image;
var r = await restClient.Post <ResponseMessage <BDFaceVerifyResponse> >("/baidu/face/verify", faceRequest);
if (r.IsSuccess() && r.Extension != null && r.Extension.result != null && r.Extension.result[0] >= 80)
{
var user = _dbContext.Users.Where(x => x.UserName.ToLower() == uid.ToLower()).FirstOrDefault();
if (user == null)
{
return(BadRequest(new OpenIdConnectResponse
{
Error = "login_error",
ErrorDescription = "用户不存在"
}));
}
if (user.IsDeleted)
{
return(BadRequest(new OpenIdConnectResponse
{
Error = "login_error",
ErrorDescription = "用户不存在"
}));
}
var ticket = await CreateTicketAsync(request, user);
await _userLoginLogManager.CreateAsync(new UserLoginLog
{
LoginTime = DateTime.Now,
TrueName = user.TrueName,
UserId = user.Id,
UserName = user.UserName,
OrganizationId = user.OrganizationId,
LoginApplication = request.ClientId,
LoginIp = HttpContext.Connection.RemoteIpAddress.ToString()
}, CancellationToken.None);
return(SignIn(ticket.Principal, ticket.Properties, ticket.AuthenticationScheme));
}
else
{
return(BadRequest(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.InvalidGrant,
ErrorDescription = "人脸认证失败"
}));
}
}
}
return(BadRequest(new OpenIdConnectResponse
{
Error = OpenIdConnectConstants.Errors.UnsupportedGrantType,
ErrorDescription = "The specified grant type is not supported."
}));
}