public void ToObjectThrowsExceptionOnIncompatibleType()
{
TestModel payload = new TestModel {
A = "value", B = 5, C = true
};
BinaryData data = BinaryData.FromObjectAsJson(payload);
Assert.ThrowsAny <Exception>(() => data.ToObjectFromJson <string>());
Assert.ThrowsAny <Exception>(() => data.ToObjectFromJson <MismatchedTestModel>(jsonTypeInfo: MismatchedTestModelJsonContext.Default.MismatchedTestModel));
}
public async Task GetUnsecuredAttestationToken()
{
object tokenBody = new StoredAttestationPolicy {
AttestationPolicy = "Foo",
};
var token = new AttestationToken(BinaryData.FromObjectAsJson(tokenBody));
string serializedToken = token.Serialize();
await ValidateSerializedToken(serializedToken, tokenBody);
}
public void Send(string methodName, string argument)
{
sender.SendMessageAsync(new ServiceBusMessage(BinaryData.FromObjectAsJson(new AzureInvalidationMessage
{
CreationDate = DateTime.UtcNow,
OriginMachineName = Environment.MachineName,
OriginApplicationName = Schema.Current.ApplicationName,
MethodName = methodName,
Argument = argument,
}, EntityJsonContext.FullJsonSerializerOptions))).Wait();
}
public async Task SettingAttestationPolicy()
{
var endpoint = TestEnvironment.AadAttestationUrl;
#region Snippet:GetPolicy
var client = new AttestationAdministrationClient(new Uri(endpoint), new DefaultAzureCredential());
AttestationResponse <string> policyResult = await client.GetPolicyAsync(AttestationType.SgxEnclave);
string result = policyResult.Value;
#endregion
#region Snippet:SetPolicy
string attestationPolicy = "version=1.0; authorizationrules{=> permit();}; issuancerules{};";
//@@ X509Certificate2 policyTokenCertificate = new X509Certificate2(<Attestation Policy Signing Certificate>);
//@@ AsymmetricAlgorithm policyTokenKey = <Attestation Policy Signing Key>;
/*@@*/ var policyTokenCertificate = TestEnvironment.PolicyCertificate0;
/*@@*/ var policyTokenKey = TestEnvironment.PolicySigningKey0;
var setResult = client.SetPolicy(AttestationType.SgxEnclave, attestationPolicy, new AttestationTokenSigningKey(policyTokenKey, policyTokenCertificate));
#endregion
#region Snippet:VerifySigningHash
// The SetPolicyAsync API will create an AttestationToken signed with the TokenSigningKey to transmit the policy.
// To verify that the policy specified by the caller was received by the service inside the enclave, we
// verify that the hash of the policy document returned from the Attestation Service matches the hash
// of an attestation token created locally.
//@@ TokenSigningKey signingKey = new TokenSigningKey(<Customer provided signing key>, <Customer provided certificate>)
/*@@*/ AttestationTokenSigningKey signingKey = new AttestationTokenSigningKey(policyTokenKey, policyTokenCertificate);
var policySetToken = new AttestationToken(
BinaryData.FromObjectAsJson(new StoredAttestationPolicy {
AttestationPolicy = attestationPolicy
}),
signingKey);
using var shaHasher = SHA256.Create();
byte[] attestationPolicyHash = shaHasher.ComputeHash(Encoding.UTF8.GetBytes(policySetToken.Serialize()));
Debug.Assert(attestationPolicyHash.SequenceEqual(setResult.Value.PolicyTokenHash.ToArray()));
#endregion
var resetResult = client.ResetPolicy(AttestationType.SgxEnclave);
// When the attestation instance is in Isolated mode, the ResetPolicy API requires using a signing key/certificate to authorize the user.
var resetResult2 = client.ResetPolicy(
AttestationType.SgxEnclave,
new AttestationTokenSigningKey(TestEnvironment.PolicySigningKey0, policyTokenCertificate));
return;
}
public void ToFromCustomType()
{
#region Snippet:BinaryDataToFromCustomModel
var model = new CustomModel
{
A = "some text",
B = 5,
C = true
};
var data = BinaryData.FromObjectAsJson(model);
model = data.ToObjectFromJson <CustomModel>();
#endregion
}
public async Task GetSecuredAttestationToken()
{
X509Certificate2 fullCertificate = TestEnvironment.PolicyManagementCertificate;
AsymmetricAlgorithm privateKey = TestEnvironment.PolicyManagementKey;
object tokenBody = new StoredAttestationPolicy {
AttestationPolicy = "Foo",
};
var token = new AttestationToken(BinaryData.FromObjectAsJson(tokenBody), new AttestationTokenSigningKey(privateKey, fullCertificate));
string serializedToken = token.Serialize();
await ValidateSerializedToken(serializedToken, tokenBody);
}
public async Task SetPolicyUnsecuredAad()
{
var adminclient = TestEnvironment.GetAadAdministrationClient(this);
// Reset the current attestation policy to a known state. Necessary if there were previous runs that failed.
await ResetAttestationPolicy(adminclient, AttestationType.OpenEnclave, false, false);
string originalPolicy;
{
originalPolicy = await adminclient.GetPolicyAsync(AttestationType.OpenEnclave);
}
byte[] disallowDebuggingHash;
{
var policySetResult = await adminclient.SetPolicyAsync(AttestationType.OpenEnclave, disallowDebugging);
// The SetPolicyAsync API will create an UnsecuredAttestationToken to transmit the policy.
var shaHasher = SHA256.Create();
var policySetToken = new AttestationToken(BinaryData.FromObjectAsJson(new StoredAttestationPolicy {
AttestationPolicy = disallowDebugging
}));
disallowDebuggingHash = shaHasher.ComputeHash(Encoding.UTF8.GetBytes(policySetToken.Serialize()));
Assert.AreEqual(200, policySetResult.GetRawResponse().Status);
Assert.AreEqual(PolicyModification.Updated, policySetResult.Value.PolicyResolution);
CollectionAssert.AreEqual(disallowDebuggingHash, policySetResult.Value.PolicyTokenHash.ToArray());
}
{
string policyResult = await adminclient.GetPolicyAsync(AttestationType.OpenEnclave);
Assert.AreEqual(disallowDebugging, policyResult);
}
{
var policySetResult = await adminclient.ResetPolicyAsync(AttestationType.OpenEnclave);
Assert.AreEqual(200, policySetResult.GetRawResponse().Status);
Assert.AreEqual(PolicyModification.Removed, policySetResult.Value.PolicyResolution);
}
{
var policyResult = await adminclient.GetPolicyAsync(AttestationType.OpenEnclave);
// And when we're done, policy should be reset to the original value.
Assert.AreEqual(originalPolicy, policyResult.Value);
}
}
protected static GenericResourceData ConstructGenericAvailabilitySet()
{
var data = new GenericResourceData(AzureLocation.WestUS2);
data.Sku = new ResourcesSku()
{
Name = "Aligned"
};
var propertyBag = new Dictionary <string, object>();
propertyBag.Add("platformUpdateDomainCount", 5);
propertyBag.Add("platformFaultDomainCount", 2);
data.Properties = BinaryData.FromObjectAsJson(propertyBag);
return(data);
}
protected static ArmDeploymentProperties CreateDeploymentProperties()
{
ArmDeploymentProperties tmpDeploymentProperties = new ArmDeploymentProperties(ArmDeploymentMode.Incremental);
tmpDeploymentProperties.TemplateLink = new ArmDeploymentTemplateLink();
tmpDeploymentProperties.TemplateLink.Uri = new Uri("https://raw.githubusercontent.com/Azure/azure-quickstart-templates/master/quickstarts/microsoft.storage/storage-account-create/azuredeploy.json");
tmpDeploymentProperties.Parameters = BinaryData.FromObjectAsJson(new JsonObject()
{
{ "storageAccountType", new JsonObject()
{
{ "value", "Standard_GRS" }
} }
});
return(tmpDeploymentProperties);
}
public WebPubSubConnectionContext(WebPubSubEventType eventType, string eventName, string hub, string connectionId, string userId, string signature, string origin, IReadOnlyDictionary <string, object> states, IReadOnlyDictionary <string, string[]> headers)
: this(
eventType,
eventName,
hub,
connectionId,
userId,
signature,
origin,
states?.ToDictionary(
p => p.Key,
p => p.Value as BinaryData ?? BinaryData.FromObjectAsJson(p.Value)),
headers)
{
}
public BinaryData GeneratePayload()
{
double currentTemperature = minTemperature + Random.Shared.NextDouble() * 15;
double currentHumidity = minHumidity + Random.Shared.NextDouble() * 20;
object telemetryDataPoint = new
{
createdAt = DateTime.UtcNow,
deviceId = "EventHubDevice" + Random.Shared.Next(1, 300000),
temperature = currentTemperature,
humidity = currentHumidity,
};
return(BinaryData.FromObjectAsJson(telemetryDataPoint));
}
public async Task TestStateChanges()
{
_adaptor.RegisterHub <TestHub>();
var initState = new Dictionary <string, BinaryData>
{
{ "counter", BinaryData.FromObjectAsJson(2) }
};
var context = PrepareHttpContext(httpMethod: HttpMethods.Post, type: WebPubSubEventType.User, eventName: "message", body: "1", connectionState: initState);
// 1 to update counter to 10.
await _adaptor.HandleRequest(context);
context.Response.Headers.TryGetValue(Constants.Headers.CloudEvents.State, out var states);
Assert.NotNull(states);
var updated = states[0].DecodeConnectionStates();
Assert.AreEqual(1, updated.Count);
Assert.AreEqual(10, updated["counter"].ToObjectFromJson <int>());
// 2 to add a new state.
context = PrepareHttpContext(httpMethod: HttpMethods.Post, type: WebPubSubEventType.User, eventName: "message", body: "2", connectionState: initState);
_adaptor.RegisterHub <TestHub>();
await _adaptor.HandleRequest(context);
context.Response.Headers.TryGetValue(Constants.Headers.CloudEvents.State, out states);
Assert.NotNull(states);
updated = states[0].DecodeConnectionStates();
Assert.AreEqual(2, updated.Count);
Assert.AreEqual("new", updated["new"].ToObjectFromJson <string>());
// 3 to clear states
context = PrepareHttpContext(httpMethod: HttpMethods.Post, type: WebPubSubEventType.User, eventName: "message", body: "3", connectionState: initState);
await _adaptor.HandleRequest(context);
var exist = context.Response.Headers.TryGetValue(Constants.Headers.CloudEvents.State, out _);
Assert.False(exist);
// 4 clar and add
context = PrepareHttpContext(httpMethod: HttpMethods.Post, type: WebPubSubEventType.User, eventName: "message", body: "4", connectionState: initState);
await _adaptor.HandleRequest(context);
context.Response.Headers.TryGetValue(Constants.Headers.CloudEvents.State, out states);
Assert.NotNull(states);
updated = states[0].DecodeConnectionStates();
Assert.AreEqual(2, updated.Count);
Assert.AreEqual("new1", updated["new1"].ToObjectFromJson <string>());
}
public async Task GetSecuredAttestationTokenWithPrivateKey()
{
X509Certificate2 fullCertificate = TestEnvironment.PolicyManagementCertificate;
fullCertificate.PrivateKey = TestEnvironment.PolicyManagementKey;
// The body of attestation token MUST be a JSON object.
TestBody body = new TestBody {
StringField = "Foo",
};
var token = new AttestationToken(BinaryData.FromObjectAsJson(body), new AttestationTokenSigningKey(fullCertificate));
string serializedToken = token.Serialize();
await ValidateSerializedToken(serializedToken, body);
}
public void TestEncodeAndDecodeState()
{
var state = new Dictionary <string, BinaryData>
{
{ "aaa", BinaryData.FromObjectAsJson("aaa") },
{ "bbb", BinaryData.FromObjectAsJson("bbb") }
};
var encoded = state.EncodeConnectionStates();
var decoded = encoded.DecodeConnectionStates();
CollectionAssert.AreEquivalent(
state.Values.Select(d => d.ToObjectFromJson <string>()),
decoded.Values.Select(d => d.ToObjectFromJson <string>()));
}
protected static ArmApplicationData CreateApplicationData(ResourceIdentifier applicationDefinitionId, ResourceIdentifier managedResourceGroupId, string storageAccountPrefix) => new ArmApplicationData(AzureLocation.WestUS2, "ServiceCatalog")
{
ApplicationDefinitionId = applicationDefinitionId,
ManagedResourceGroupId = managedResourceGroupId,
Parameters = BinaryData.FromObjectAsJson(new JsonObject()
{
{ "storageAccountNamePrefix", new JsonObject()
{
{ "value", storageAccountPrefix }
} },
{ "storageAccountType", new JsonObject()
{
{ "value", "Standard_LRS" }
} }
})
};
public void CreateVmExtension()
{
#region Snippet:Changelog_CreateVMExtension
var vmExtension = new VirtualMachineExtensionData(AzureLocation.WestUS)
{
Tags = { { "extensionTag1", "1" }, { "extensionTag2", "2" } },
Publisher = "Microsoft.Compute",
ExtensionType = "VMAccessAgent",
TypeHandlerVersion = "2.0",
AutoUpgradeMinorVersion = true,
ForceUpdateTag = "RerunExtension",
Settings = BinaryData.FromObjectAsJson(new { }),
ProtectedSettings = BinaryData.FromObjectAsJson(new { })
};
#endregion
}
public async Task ValidateJustExpiredAttestationToken()
{
// Create a JWT whose body has just expired.
object tokenBody = new JwtTestBody {
StringField = "Foo",
ExpiresAt = DateTimeOffset.Now.Subtract(TimeSpan.FromSeconds(5)).ToUnixTimeSeconds(),
};
var token = new AttestationToken(BinaryData.FromObjectAsJson(tokenBody));
string serializedToken = token.Serialize();
// This check should fail since the token expired 5 seconds ago.
Assert.ThrowsAsync(typeof(Exception), async() => await ValidateSerializedToken(serializedToken, tokenBody));
// This check should succeed since the token slack is greater than the 5 second expiration time.
await ValidateSerializedToken(serializedToken, tokenBody, new AttestationTokenValidationOptions { TimeValidationSlack = 10 });
}
public async Task WriteToBlob(
BlobContainerClient client,
string blobName,
object content)
{
var blob = client.GetBlobClient(blobName);
if (_useCompression)
{
var serializedContent = AvroConvert.Serialize(content);
await blob.UploadAsync(new BinaryData(serializedContent));
}
else
{
await blob.UploadAsync(BinaryData.FromObjectAsJson(content));
}
}
// WEIRD: second level resources cannot use GenericResourceCollection to create.
// Exception thrown: System.InvalidOperationException : An invalid resource id was given /subscriptions/db1ab6f0-4769-4b27-930e-01e2ef9c123c/resourceGroups/testRG-4544/providers/Microsoft.Network/virtualNetworks/testVNet-9796/subnets/testSubnet-1786
private async Task <GenericResource> CreateSubnet(ResourceIdentifier vnetId)
{
var subnetName = Recording.GenerateAssetName("testSubnet-");
ResourceIdentifier subnetId = new ResourceIdentifier($"{vnetId}/subnets/{subnetName}");
var input = new GenericResourceData(DefaultLocation)
{
Properties = BinaryData.FromObjectAsJson(new Dictionary <string, object>()
{
{ "addressPrefixes", new List <string>()
{
"10.0.2.0/24"
} }
})
};
var operation = await _genericResourceCollection.CreateOrUpdateAsync(WaitUntil.Completed, subnetId, input);
return(operation.Value);
}
protected static ArmDeploymentProperties CreateDeploymentPropertiesAtSub()
{
ArmDeploymentProperties tmpDeploymentProperties = new ArmDeploymentProperties(ArmDeploymentMode.Incremental);
tmpDeploymentProperties.TemplateLink = new ArmDeploymentTemplateLink();
tmpDeploymentProperties.TemplateLink.Uri = new Uri("https://raw.githubusercontent.com/Azure/azure-docs-json-samples/master/azure-resource-manager/emptyrg.json");
tmpDeploymentProperties.Parameters = BinaryData.FromObjectAsJson(new JsonObject()
{
{ "rgName", new JsonObject()
{
{ "value", "testDeployAtSub" }
} },
{ "rgLocation", new JsonObject()
{
{ "value", $"{AzureLocation.CentralUS}" }
} },
});
return(tmpDeploymentProperties);
}
public void SerailizeUsingDictStringObject()
{
var expected = File.ReadAllText(GetFileName("JsonFormattedString.json")).TrimEnd();
var payload = new ModelWithBinaryData {
A = "a.value"
};
var properties = new Dictionary <string, object>();
var innerProperties = new Dictionary <string, object>();
properties.Add("a", "properties.a.value");
innerProperties.Add("a", "properties.innerProperties.a.value");
properties.Add("innerProperties", innerProperties);
payload.Properties = BinaryData.FromObjectAsJson(properties);
string actual = GetSerializedString(payload);
Assert.AreEqual(expected, actual);
}
private GenericResourceData ConstructGenericVirtualNetworkData()
{
var properties = new JsonObject()
{
{ "addressSpace", new JsonObject()
{
{ "addressPrefixes", new List <string>()
{
"10.0.0.0/16"
} }
} }
};
var virtualNetwork = new GenericResourceData(AzureLocation.WestUS2)
{
Properties = BinaryData.FromObjectAsJson(properties),
};
return(virtualNetwork);
}
public void TestConnectionStatesConverter_SystemText()
{
var jsonOption = new SystemJson.JsonSerializerOptions();
jsonOption.Converters.Add(new ConnectionStatesConverter());
IReadOnlyDictionary <string, BinaryData> input =
new Dictionary <string, BinaryData>
{
{ "aKey", BinaryData.FromString("aValue") },
{ "bKey", BinaryData.FromObjectAsJson(123) },
{ "cKey", BinaryData.FromObjectAsJson(new StateTestClass()) }
};
var serialized = SystemJson.JsonSerializer.Serialize(input, jsonOption);
var deserialized = SystemJson.JsonSerializer.Deserialize <IReadOnlyDictionary <string, BinaryData> >(serialized, jsonOption);
Assert.AreEqual(3, deserialized.Count);
Assert.AreEqual("aValue", deserialized["aKey"].ToString());
Assert.AreEqual(123, deserialized["bKey"].ToObjectFromJson <int>());
}
public static async Task <IActionResult> RunAsync(
[HttpTrigger(AuthorizationLevel.Function, "post", Route = Constants.Routes.EventConfigs)] HttpRequest req,
ILogger log,
CancellationToken cancellationToken)
{
string requestBody = await new StreamReader(req.Body).ReadToEndAsync();
var entity = JsonConvert.DeserializeObject <PseudoEvent>(requestBody);
if (entity == null)
{
return(new BadRequestResult());
}
var timestamp = entity.EventTimestamp.AddMinutes(-entity.LeadTimeInMinutes);
if (timestamp < DateTimeOffset.UtcNow)
{
return(new NoContentResult());
}
var payload = new EventDispatchTrigger
{
DispatchedAt = DateTimeOffset.UtcNow,
Payload = entity,
PayloadType = nameof(PseudoEvent),
EntityId = entity.Id.ToString(),
EntityTag = DateTimeOffset.UtcNow.ToString("O") // For Cosmos DB entities this could be the ETag value
};
var message = new ServiceBusMessage
{
Subject = nameof(EventDispatchTrigger),
MessageId = entity.Id.ToString(),
Body = BinaryData.FromObjectAsJson(payload),
ContentType = "application/json",
CorrelationId = Guid.NewGuid().ToString()
};
await FunctionHelper.ScheduleTrigger(message, timestamp, log, cancellationToken);
return(new OkResult());
}
private static PolicyDefinitionData ConstructPolicyDefinitionData(string displayName) => new PolicyDefinitionData
{
DisplayName = $"Test ${displayName}",
PolicyRule = BinaryData.FromObjectAsJson(new Dictionary <string, object>
{
{
"if", new Dictionary <string, object>
{
{ "source", "action" },
{ "equals", "ResourceProviderTestHost/TestResourceType/TestResourceTypeNestedOne/write" }
}
},
{
"then", new Dictionary <string, object>
{
{ "effect", "deny" }
}
}
})
};
public void CanSerializeNullData()
{
BinaryData data = new BinaryData(jsonSerializable: null);
Assert.Null(data.ToObjectFromJson <object>());
data = BinaryData.FromObjectAsJson <object>(null);
Assert.Null(data.ToObjectFromJson <object>());
data = new BinaryData(jsonSerializable: null, type: typeof(TestModel));
Assert.Null(data.ToObjectFromJson <TestModel>());
data = new BinaryData(jsonSerializable: null);
Assert.Null(data.ToObjectFromJson <TestModel>());
data = new BinaryData(jsonSerializable: null, type: null);
Assert.Null(data.ToObjectFromJson <TestModel>());
data = BinaryData.FromObjectAsJson <TestModel>(null);
Assert.Null(data.ToObjectFromJson <TestModel>());
}
public void CanSerializeBaseType()
{
DerivedModel payload = new DerivedModel {
A = "value", B = 5, C = true, D = null, E = "derived property"
};
BinaryData data = new BinaryData(jsonSerializable: payload, type: typeof(TestModel));
Assert.Null(data.ToObjectFromJson <DerivedModel>().E);
data = new BinaryData(jsonSerializable: payload, type: typeof(DerivedModel));
Assert.Equal("derived property", data.ToObjectFromJson <DerivedModel>().E);
data = new BinaryData(jsonSerializable: payload);
Assert.Equal("derived property", data.ToObjectFromJson <DerivedModel>().E);
data = BinaryData.FromObjectAsJson <TestModel>(payload);
Assert.Null(data.ToObjectFromJson <DerivedModel>().E);
data = BinaryData.FromObjectAsJson <DerivedModel>(payload);
Assert.Equal("derived property", data.ToObjectFromJson <DerivedModel>().E);
}
public void TestConnectionStatesEncodeDecode()
{
var testTime = DateTime.Parse("2021-11-10 4:23:55");
var input =
new Dictionary <string, object>
{
{ "aKey", BinaryData.FromString("aValue") },
{ "bKey", BinaryData.FromObjectAsJson(123) },
{ "cKey", BinaryData.FromObjectAsJson(new StateTestClass()) },
{ "dKey", JObject.FromObject(new StateTestClass()) },
{ "eKey", BinaryData.FromObjectAsJson(testTime) }
};
var encoded = input.EncodeConnectionStates();
var decoded = encoded.DecodeConnectionStates();
Assert.AreEqual(5, decoded.Count);
Assert.AreEqual("aValue", decoded["aKey"].ToString());
Assert.AreEqual(123, ((BinaryData)decoded["bKey"]).ToObjectFromJson <int>());
Assert.NotNull(((BinaryData)decoded["cKey"]).ToObjectFromJson <StateTestClass>());
Assert.NotNull(((BinaryData)decoded["dKey"]).ToObjectFromJson <StateTestClass>());
Assert.AreEqual(testTime, ((BinaryData)decoded["eKey"]).ToObjectFromJson <DateTime>());
}
/// <summary>
/// Sets the attesttion policy for the specified <see cref="AttestationType"/>.
/// </summary>
/// <param name="attestationType"><see cref="AttestationType"/> whose policy should be set.</param>
/// <param name="policyToSet">Specifies the attestation policy to set.</param>
/// <param name="signingKey">If provided, specifies the signing key used to sign the request to the attestation service.</param>
/// <param name="cancellationToken">Cancellation token used to cancel this operation.</param>
/// <returns>An <see cref="AttestationResponse{PolicyResult}"/> with the policy for the specified attestation type.</returns>
/// <remarks>
/// If the <paramref name="signingKey"/> parameter is not provided, then the policy document sent to the
/// attestation service will be unsigned. Unsigned attestation policies are only allowed when the attestation instance is running in AAD mode - if the
/// attestation instance is running in Isolated mode, then a signing key and signing certificate MUST be provided to ensure that the caller of the API is authorized to change policy.
/// The <see cref="AttestationTokenSigningKey.Certificate"/> field MUST be one of the certificates returned by the <see cref="GetPolicyManagementCertificates(CancellationToken)"/> API.
/// <para/>
/// Clients need to be able to verify that the attestation policy document was not modified before the policy document was received by the attestation service's enclave.
/// There are two properties provided in the [PolicyResult][attestation_policy_result] that can be used to verify that the service received the policy document:
/// <list type="bullet">
/// <item>
/// <description><see cref="PolicyModificationResult.PolicySigner"/> - if the <see cref="SetPolicy(AttestationType, string, AttestationTokenSigningKey, CancellationToken)"/> call included a signing certificate, this will be the certificate provided at the time of the `SetPolicy` call. If no policy signer was set, this will be null. </description>
/// </item>
/// <item>
/// <description><see cref="PolicyModificationResult.PolicyTokenHash"/> - this is the hash of the [JSON Web Token][json_web_token] sent to the service</description>
/// </item>
/// </list>
/// To verify the hash, clients can generate an attestation token and verify the hash generated from that token:
/// <code snippet="Snippet:VerifySigningHash">
/// // The SetPolicyAsync API will create an AttestationToken signed with the TokenSigningKey to transmit the policy.
/// // To verify that the policy specified by the caller was received by the service inside the enclave, we
/// // verify that the hash of the policy document returned from the Attestation Service matches the hash
/// // of an attestation token created locally.
/// TokenSigningKey signingKey = new TokenSigningKey(<Customer provided signing key>, <Customer provided certificate>)
/// var policySetToken = new AttestationToken(
/// BinaryData.FromObjectAsJson(new StoredAttestationPolicy { AttestationPolicy = attestationPolicy }),
/// signingKey);
///
/// using var shaHasher = SHA256Managed.Create();
/// byte[] attestationPolicyHash = shaHasher.ComputeHash(Encoding.UTF8.GetBytes(policySetToken.Serialize()));
///
/// Debug.Assert(attestationPolicyHash.SequenceEqual(setResult.Value.PolicyTokenHash.ToArray()));
/// </code>
///
/// If the signing key and certificate are not provided, then the SetPolicyAsync API will create an unsecured attestation token
/// wrapping the attestation policy. To validate the <see cref="PolicyModificationResult.PolicyTokenHash"/> return value, a developer
/// can create their own <see cref="AttestationToken"/> and create the hash of that.
/// <code>
/// using var shaHasher = SHA256Managed.Create();
/// var policySetToken = new AttestationToken(new StoredAttestationPolicy { AttestationPolicy = disallowDebugging });
/// disallowDebuggingHash = shaHasher.ComputeHash(Encoding.UTF8.GetBytes(policySetToken.ToString()));
/// </code>
/// </remarks>
public virtual async Task <AttestationResponse <PolicyModificationResult> > SetPolicyAsync(
AttestationType attestationType,
string policyToSet,
AttestationTokenSigningKey signingKey = default,
CancellationToken cancellationToken = default)
{
if (string.IsNullOrEmpty(policyToSet))
{
throw new ArgumentException($"'{nameof(policyToSet)}' cannot be null or empty.", nameof(policyToSet));
}
using DiagnosticScope scope = _clientDiagnostics.CreateScope($"{nameof(AttestationAdministrationClient)}.{nameof(SetPolicy)}");
scope.Start();
try
{
AttestationToken tokenToSet = new AttestationToken(BinaryData.FromObjectAsJson(new StoredAttestationPolicy {
AttestationPolicy = policyToSet,
}), signingKey);
var result = await _policyClient.SetAsync(attestationType, tokenToSet.Serialize(), cancellationToken).ConfigureAwait(false);
var token = AttestationToken.Deserialize(result.Value.Token, _clientDiagnostics);
if (_options.TokenOptions.ValidateToken)
{
var signers = await GetSignersAsync(true, cancellationToken).ConfigureAwait(false);
if (!await token.ValidateTokenAsync(_options.TokenOptions, signers, cancellationToken).ConfigureAwait(false))
{
AttestationTokenValidationFailedException.ThrowFailure(signers, token);
}
}
return(new AttestationResponse <PolicyModificationResult>(result.GetRawResponse(), token));
}
catch (Exception ex)
{
scope.Failed(ex);
throw;
}
}
public async Task ValidateTooEarlyAttestationToken()
{
// Create a JWT whose body will become valid 5 seconds from now.
object tokenBody = new JwtTestBody
{
StringField = "Foo",
NotBefore = DateTimeOffset.Now.AddSeconds(5).ToUnixTimeSeconds(),
ExpiresAt = DateTimeOffset.Now.AddSeconds(60).ToUnixTimeSeconds(),
};
X509Certificate2 fullCertificate = TestEnvironment.PolicyManagementCertificate;
AsymmetricAlgorithm privateKey = TestEnvironment.PolicyManagementKey;
var token = new AttestationToken(BinaryData.FromObjectAsJson(tokenBody), new AttestationTokenSigningKey(privateKey, fullCertificate));
string serializedToken = token.Serialize();
// This check should fail since the token won't be valid for another 5 seconds.
Assert.ThrowsAsync(typeof(Exception), async() => await ValidateSerializedToken(serializedToken, tokenBody));
// This check should succeed since the token slack is greater than the 10 seconds before it becomes valid.
await ValidateSerializedToken(serializedToken, tokenBody, new AttestationTokenValidationOptions { TimeValidationSlack = 10 });
}