public void GenerateRequestToken_AuthenticatedWithoutUsername_WithAdditionalData()
        {
            // Arrange
            var cookieToken = new AntiforgeryToken()
            {
                IsCookieToken = true
            };

            var httpContext = new DefaultHttpContext();

            httpContext.User = new ClaimsPrincipal(new MyAuthenticatedIdentityWithoutUsername());

            var mockAdditionalDataProvider = new Mock <IAntiforgeryAdditionalDataProvider>();

            mockAdditionalDataProvider.Setup(o => o.GetAdditionalData(httpContext))
            .Returns("additional-data");

            var claimUidExtractor = new Mock <IClaimUidExtractor>().Object;

            var tokenProvider = new DefaultAntiforgeryTokenGenerator(
                claimUidExtractor: claimUidExtractor,
                additionalDataProvider: mockAdditionalDataProvider.Object);

            // Act
            var fieldToken = tokenProvider.GenerateRequestToken(httpContext, cookieToken);

            // Assert
            Assert.NotNull(fieldToken);
            Assert.Equal(cookieToken.SecurityToken, fieldToken.SecurityToken);
            Assert.False(fieldToken.IsCookieToken);
            Assert.Empty(fieldToken.Username);
            Assert.Null(fieldToken.ClaimUid);
            Assert.Equal("additional-data", fieldToken.AdditionalData);
        }
        public void TryValidateTokenSet_FieldAndCookieTokensSwapped_CookieDuplicated()
        {
            // Arrange
            var httpContext = new DefaultHttpContext();

            httpContext.User = new ClaimsPrincipal(new ClaimsIdentity());

            var cookieToken = new AntiforgeryToken()
            {
                IsCookieToken = true
            };
            var fieldtoken = new AntiforgeryToken()
            {
                IsCookieToken = false
            };

            var tokenProvider = new DefaultAntiforgeryTokenGenerator(
                claimUidExtractor: null,
                additionalDataProvider: null);

            string expectedMessage =
                "Validation of the provided antiforgery token failed. " +
                "The cookie token and the request token were swapped.";

            // Act
            string message;
            var    result = tokenProvider.TryValidateTokenSet(httpContext, cookieToken, cookieToken, out message);

            // Assert
            Assert.False(result);
            Assert.Equal(expectedMessage, message);
        }
        public void GenerateRequestToken_AuthenticatedWithoutUsernameAndNoAdditionalData_NoAdditionalData()
        {
            // Arrange
            var cookieToken = new AntiforgeryToken()
            {
                IsCookieToken = true
            };

            var httpContext = new DefaultHttpContext();

            httpContext.User = new ClaimsPrincipal(new MyAuthenticatedIdentityWithoutUsername());

            var options           = new AntiforgeryOptions();
            var claimUidExtractor = new Mock <IClaimUidExtractor>().Object;

            var tokenProvider = new DefaultAntiforgeryTokenGenerator(
                claimUidExtractor: claimUidExtractor,
                additionalDataProvider: null);

            // Act & assert
            var exception = Assert.Throws <InvalidOperationException>(
                () => tokenProvider.GenerateRequestToken(httpContext, cookieToken));

            Assert.Equal(
                "The provided identity of type " +
                $"'{typeof(MyAuthenticatedIdentityWithoutUsername).FullName}' " +
                "is marked IsAuthenticated = true but does not have a value for Name. " +
                "By default, the antiforgery system requires that all authenticated identities have a unique Name. " +
                "If it is not possible to provide a unique Name for this identity, " +
                "consider extending IAntiforgeryAdditionalDataProvider by overriding the " +
                "DefaultAntiforgeryAdditionalDataProvider " +
                "or a custom type that can provide some form of unique identifier for the current user.",
                exception.Message);
        }
        public void GenerateRequestToken_AnonymousUser()
        {
            // Arrange
            var cookieToken = new AntiforgeryToken()
            {
                IsCookieToken = true
            };
            var httpContext = new DefaultHttpContext();

            httpContext.User = new ClaimsPrincipal(new ClaimsIdentity());
            Assert.False(httpContext.User.Identity.IsAuthenticated);

            var tokenProvider = new DefaultAntiforgeryTokenGenerator(
                claimUidExtractor: null,
                additionalDataProvider: null);

            // Act
            var fieldToken = tokenProvider.GenerateRequestToken(httpContext, cookieToken);

            // Assert
            Assert.NotNull(fieldToken);
            Assert.Equal(cookieToken.SecurityToken, fieldToken.SecurityToken);
            Assert.False(fieldToken.IsCookieToken);
            Assert.Empty(fieldToken.Username);
            Assert.Null(fieldToken.ClaimUid);
            Assert.Empty(fieldToken.AdditionalData);
        }
        public void TryValidateTokenSet_FieldAndCookieTokensHaveDifferentSecurityKeys()
        {
            // Arrange
            var httpContext = new DefaultHttpContext();

            httpContext.User = new ClaimsPrincipal(new ClaimsIdentity());

            var cookieToken = new AntiforgeryToken()
            {
                IsCookieToken = true
            };
            var fieldtoken = new AntiforgeryToken()
            {
                IsCookieToken = false
            };

            var tokenProvider = new DefaultAntiforgeryTokenGenerator(
                claimUidExtractor: null,
                additionalDataProvider: null);

            string expectedMessage = "The antiforgery cookie token and request token do not match.";

            // Act
            string message;
            var    result = tokenProvider.TryValidateTokenSet(httpContext, cookieToken, fieldtoken, out message);

            // Assert
            Assert.False(result);
            Assert.Equal(expectedMessage, message);
        }
        public void GenerateRequestToken_RegularUserWithUsername()
        {
            // Arrange
            var cookieToken = new AntiforgeryToken()
            {
                IsCookieToken = true
            };

            var httpContext  = new DefaultHttpContext();
            var mockIdentity = new Mock <ClaimsIdentity>();

            mockIdentity.Setup(o => o.IsAuthenticated)
            .Returns(true);
            mockIdentity.Setup(o => o.Name)
            .Returns("my-username");

            httpContext.User = new ClaimsPrincipal(mockIdentity.Object);

            var claimUidExtractor = new Mock <IClaimUidExtractor>().Object;

            var tokenProvider = new DefaultAntiforgeryTokenGenerator(
                claimUidExtractor: claimUidExtractor,
                additionalDataProvider: null);

            // Act
            var fieldToken = tokenProvider.GenerateRequestToken(httpContext, cookieToken);

            // Assert
            Assert.NotNull(fieldToken);
            Assert.Equal(cookieToken.SecurityToken, fieldToken.SecurityToken);
            Assert.False(fieldToken.IsCookieToken);
            Assert.Equal("my-username", fieldToken.Username);
            Assert.Null(fieldToken.ClaimUid);
            Assert.Empty(fieldToken.AdditionalData);
        }
        public void TryValidateTokenSet_FieldTokenMissing()
        {
            // Arrange
            var httpContext = new DefaultHttpContext();

            httpContext.User = new ClaimsPrincipal(new ClaimsIdentity());

            var cookieToken = new AntiforgeryToken()
            {
                IsCookieToken = true
            };

            var tokenProvider = new DefaultAntiforgeryTokenGenerator(
                claimUidExtractor: null,
                additionalDataProvider: null);


            // Act & Assert
            string message;
            var    ex = Assert.Throws <ArgumentNullException>(
                () => tokenProvider.TryValidateTokenSet(httpContext, cookieToken, null, out message));

            var trimmed = ex.Message.Substring(0, ex.Message.IndexOf(Environment.NewLine));

            Assert.Equal("The required antiforgery request token must be provided.", trimmed);
        }
        public void GenerateCookieToken()
        {
            // Arrange
            var tokenProvider = new DefaultAntiforgeryTokenGenerator(
                claimUidExtractor: null,
                additionalDataProvider: null);

            // Act
            var token = tokenProvider.GenerateCookieToken();

            // Assert
            Assert.NotNull(token);
        }
        public void IsCookieTokenValid_NullToken_ReturnsFalse()
        {
            // Arrange
            AntiforgeryToken cookieToken = null;
            var tokenProvider            = new DefaultAntiforgeryTokenGenerator(
                claimUidExtractor: null,
                additionalDataProvider: null);

            // Act
            var isValid = tokenProvider.IsCookieTokenValid(cookieToken);

            // Assert
            Assert.False(isValid);
        }
        public void IsCookieTokenValid_ValidToken_ReturnsTrue()
        {
            // Arrange
            var cookieToken = new AntiforgeryToken()
            {
                IsCookieToken = true
            };

            var tokenProvider = new DefaultAntiforgeryTokenGenerator(
                claimUidExtractor: null,
                additionalDataProvider: null);

            // Act
            var isValid = tokenProvider.IsCookieTokenValid(cookieToken);

            // Assert
            Assert.True(isValid);
        }
        public void GenerateRequestToken_ClaimsBasedIdentity()
        {
            // Arrange
            var cookieToken = new AntiforgeryToken()
            {
                IsCookieToken = true
            };

            var identity    = GetAuthenticatedIdentity("some-identity");
            var httpContext = new DefaultHttpContext();

            httpContext.User = new ClaimsPrincipal(identity);

            byte[] data = new byte[256 / 8];
            using (var rng = RandomNumberGenerator.Create())
            {
                rng.GetBytes(data);
            }
            var base64ClaimUId   = Convert.ToBase64String(data);
            var expectedClaimUid = new BinaryBlob(256, data);

            var mockClaimUidExtractor = new Mock <IClaimUidExtractor>();

            mockClaimUidExtractor.Setup(o => o.ExtractClaimUid(It.Is <ClaimsPrincipal>(c => c.Identity == identity)))
            .Returns(base64ClaimUId);

            var tokenProvider = new DefaultAntiforgeryTokenGenerator(
                claimUidExtractor: mockClaimUidExtractor.Object,
                additionalDataProvider: null);

            // Act
            var fieldToken = tokenProvider.GenerateRequestToken(httpContext, cookieToken);

            // Assert
            Assert.NotNull(fieldToken);
            Assert.Equal(cookieToken.SecurityToken, fieldToken.SecurityToken);
            Assert.False(fieldToken.IsCookieToken);
            Assert.Equal("", fieldToken.Username);
            Assert.Equal(expectedClaimUid, fieldToken.ClaimUid);
            Assert.Equal("", fieldToken.AdditionalData);
        }
        public void TryValidateTokenSet_ClaimUidMismatch()
        {
            // Arrange
            var httpContext = new DefaultHttpContext();
            var identity    = GetAuthenticatedIdentity("the-user");

            httpContext.User = new ClaimsPrincipal(identity);

            var cookieToken = new AntiforgeryToken()
            {
                IsCookieToken = true
            };
            var fieldtoken = new AntiforgeryToken()
            {
                SecurityToken = cookieToken.SecurityToken,
                IsCookieToken = false,
                ClaimUid      = new BinaryBlob(256)
            };

            var differentToken        = new BinaryBlob(256);
            var mockClaimUidExtractor = new Mock <IClaimUidExtractor>();

            mockClaimUidExtractor.Setup(o => o.ExtractClaimUid(It.Is <ClaimsPrincipal>(c => c.Identity == identity)))
            .Returns(Convert.ToBase64String(differentToken.GetData()));

            var tokenProvider = new DefaultAntiforgeryTokenGenerator(
                claimUidExtractor: mockClaimUidExtractor.Object,
                additionalDataProvider: null);

            string expectedMessage =
                "The provided antiforgery token was meant for a different " +
                "claims-based user than the current user.";

            // Act
            string message;
            var    result = tokenProvider.TryValidateTokenSet(httpContext, cookieToken, fieldtoken, out message);

            // Assert
            Assert.False(result);
            Assert.Equal(expectedMessage, message);
        }
        public void TryValidateTokenSet_AdditionalDataRejected()
        {
            // Arrange
            var httpContext = new DefaultHttpContext();
            var identity    = new ClaimsIdentity();

            httpContext.User = new ClaimsPrincipal(identity);

            var cookieToken = new AntiforgeryToken()
            {
                IsCookieToken = true
            };
            var fieldtoken = new AntiforgeryToken()
            {
                SecurityToken  = cookieToken.SecurityToken,
                Username       = String.Empty,
                IsCookieToken  = false,
                AdditionalData = "some-additional-data"
            };

            var mockAdditionalDataProvider = new Mock <IAntiforgeryAdditionalDataProvider>();

            mockAdditionalDataProvider
            .Setup(o => o.ValidateAdditionalData(httpContext, "some-additional-data"))
            .Returns(false);

            var tokenProvider = new DefaultAntiforgeryTokenGenerator(
                claimUidExtractor: null,
                additionalDataProvider: mockAdditionalDataProvider.Object);

            string expectedMessage = "The provided antiforgery token failed a custom data check.";

            // Act
            string message;
            var    result = tokenProvider.TryValidateTokenSet(httpContext, cookieToken, fieldtoken, out message);

            // Assert
            Assert.False(result);
            Assert.Equal(expectedMessage, message);
        }
        public void TryValidateTokenSet_UsernameMismatch(string identityUsername, string embeddedUsername)
        {
            // Arrange
            var httpContext = new DefaultHttpContext();
            var identity    = GetAuthenticatedIdentity(identityUsername);

            httpContext.User = new ClaimsPrincipal(identity);

            var cookieToken = new AntiforgeryToken()
            {
                IsCookieToken = true
            };
            var fieldtoken = new AntiforgeryToken()
            {
                SecurityToken = cookieToken.SecurityToken,
                Username      = embeddedUsername,
                IsCookieToken = false
            };

            var mockClaimUidExtractor = new Mock <IClaimUidExtractor>();

            mockClaimUidExtractor.Setup(o => o.ExtractClaimUid(It.Is <ClaimsPrincipal>(c => c.Identity == identity)))
            .Returns((string)null);

            var tokenProvider = new DefaultAntiforgeryTokenGenerator(
                claimUidExtractor: mockClaimUidExtractor.Object,
                additionalDataProvider: null);

            string expectedMessage =
                $"The provided antiforgery token was meant for user \"{embeddedUsername}\", " +
                $"but the current user is \"{identityUsername}\".";

            // Act
            string message;
            var    result = tokenProvider.TryValidateTokenSet(httpContext, cookieToken, fieldtoken, out message);

            // Assert
            Assert.False(result);
            Assert.Equal(expectedMessage, message);
        }
        public void GenerateRequestToken_InvalidCookieToken()
        {
            // Arrange
            var cookieToken = new AntiforgeryToken()
            {
                IsCookieToken = false
            };
            var httpContext = new DefaultHttpContext();

            httpContext.User = new ClaimsPrincipal(new ClaimsIdentity());
            Assert.False(httpContext.User.Identity.IsAuthenticated);

            var tokenProvider = new DefaultAntiforgeryTokenGenerator(
                claimUidExtractor: null,
                additionalDataProvider: null);

            // Act & Assert
            ExceptionAssert.ThrowsArgument(
                () => tokenProvider.GenerateRequestToken(httpContext, cookieToken),
                "cookieToken",
                "The antiforgery cookie token is invalid.");
        }
        public void TryValidateTokenSet_CookieTokenMissing()
        {
            // Arrange
            var httpContext = new DefaultHttpContext();

            httpContext.User = new ClaimsPrincipal(new ClaimsIdentity());

            var fieldtoken = new AntiforgeryToken()
            {
                IsCookieToken = false
            };

            var tokenProvider = new DefaultAntiforgeryTokenGenerator(
                claimUidExtractor: null,
                additionalDataProvider: null);

            // Act & Assert
            string message;
            var    ex = Assert.Throws <ArgumentNullException>(
                () => tokenProvider.TryValidateTokenSet(httpContext, null, fieldtoken, out message));

            Assert.StartsWith(@"The required antiforgery cookie token must be provided.", ex.Message);
        }
        public void TryValidateTokenSet_Success_AuthenticatedUserWithUsername()
        {
            // Arrange
            var httpContext = new DefaultHttpContext();
            var identity    = GetAuthenticatedIdentity("the-user");

            httpContext.User = new ClaimsPrincipal(identity);

            var cookieToken = new AntiforgeryToken()
            {
                IsCookieToken = true
            };
            var fieldtoken = new AntiforgeryToken()
            {
                SecurityToken  = cookieToken.SecurityToken,
                Username       = "******",
                IsCookieToken  = false,
                AdditionalData = "some-additional-data"
            };

            var mockAdditionalDataProvider = new Mock <IAntiforgeryAdditionalDataProvider>();

            mockAdditionalDataProvider.Setup(o => o.ValidateAdditionalData(httpContext, "some-additional-data"))
            .Returns(true);

            var tokenProvider = new DefaultAntiforgeryTokenGenerator(
                claimUidExtractor: new Mock <IClaimUidExtractor>().Object,
                additionalDataProvider: mockAdditionalDataProvider.Object);

            // Act
            string message;
            var    result = tokenProvider.TryValidateTokenSet(httpContext, cookieToken, fieldtoken, out message);

            // Assert
            Assert.True(result);
            Assert.Null(message);
        }
        public void TryValidateTokenSet_Success_ClaimsBasedUser()
        {
            // Arrange
            var httpContext = new DefaultHttpContext();
            var identity    = GetAuthenticatedIdentity("the-user");

            httpContext.User = new ClaimsPrincipal(identity);

            var cookieToken = new AntiforgeryToken()
            {
                IsCookieToken = true
            };
            var fieldtoken = new AntiforgeryToken()
            {
                SecurityToken = cookieToken.SecurityToken,
                IsCookieToken = false,
                ClaimUid      = new BinaryBlob(256)
            };

            var mockClaimUidExtractor = new Mock <IClaimUidExtractor>();

            mockClaimUidExtractor.Setup(o => o.ExtractClaimUid(It.Is <ClaimsPrincipal>(c => c.Identity == identity)))
            .Returns(Convert.ToBase64String(fieldtoken.ClaimUid.GetData()));

            var tokenProvider = new DefaultAntiforgeryTokenGenerator(
                claimUidExtractor: mockClaimUidExtractor.Object,
                additionalDataProvider: null);

            // Act
            string message;
            var    result = tokenProvider.TryValidateTokenSet(httpContext, cookieToken, fieldtoken, out message);

            // Assert
            Assert.True(result);
            Assert.Null(message);
        }