public async Task Should_Get_Object_Signal_By_Name_And_Tag()
{
// Arrange
var value = new TestObject {
Value = Value
};
await _context.Signals.AddAsync(new Signal
{
Id = 2,
ResourceId = Guid.NewGuid(),
Name = $"{Name}_object",
Value = JsonConvert.SerializeObject(value),
ValueType = value.GetSignalValueType(),
IsBaseType = value.IsBaseType(),
Tags = Tags,
DateCreated = DateTime.Now,
DateLastUpdated = DateTime.Now
}).ConfigureAwait(false);
await _context.SaveChangesAsync().ConfigureAwait(false);
var request = new GetSignalByNameAndTagRequest
{
Name = $"{Name}_object",
Tag = "Test"
};
// Act
var result = await _sut.Handle(request, CancellationToken.None).ConfigureAwait(false);
// Assert
result.ShouldNotBeNull();
result.Value.ShouldBeOfType <TestObject>();
}
public async Task Should_Update_Signal_With_New_Unencrypted_Base_Object()
{
// Arrange
var id = Guid.NewGuid();
const string newValue = "New Test Value";
await _context.Signals.AddAsync(new Signal
{
Id = 1,
DateCreated = DateTime.UtcNow,
DateLastUpdated = DateTime.UtcNow,
IsBaseType = true,
Name = "Test",
ResourceId = id,
Value = "Test Value",
ValueType = typeof(string).FullName
}).ConfigureAwait(false);
await _context.SaveChangesAsync().ConfigureAwait(false);
var request = new PatchSignalRequest
{
Id = id,
Patch = new JsonPatchDocument <SignalWriteModel>()
.Replace(x => x.Tags, new List <string> {
"Tag1", "Tag2"
})
.Replace(x => x.Value, newValue)
};
// Act
await _sut.Execute(request, CancellationToken.None).ConfigureAwait(false);
// Assert
var signal = await _context.Signals.FirstOrDefaultAsync(s => s.ResourceId == id).ConfigureAwait(false);
signal.Value.ShouldBe(newValue);
signal.Tags.ShouldNotBeNull();
}
public async Task <byte[]> Handle(GenerateKeysRequest request, CancellationToken cancellationToken)
{
var rsaKeyPairGenerator = new RsaKeyPairGenerator();
var randomGenerator = new CryptoApiRandomGenerator();
rsaKeyPairGenerator.Init(new KeyGenerationParameters(new SecureRandom(randomGenerator), request.KeySize));
var keys = rsaKeyPairGenerator.GenerateKeyPair();
var privateKeyInfo = PrivateKeyInfoFactory.CreatePrivateKeyInfo(keys.Private);
var publicKeyInfo = SubjectPublicKeyInfoFactory.CreateSubjectPublicKeyInfo(keys.Public);
var publicKey = publicKeyInfo.ToAsn1Object().GetDerEncoded();
var publicKeyValue = Convert.ToBase64String(publicKey);
await UpdateSetting(PublicKeySettingName, publicKeyValue, cancellationToken).ConfigureAwait(false);
await _context.SaveChangesAsync(cancellationToken).ConfigureAwait(false);
return(privateKeyInfo.ToAsn1Object().GetDerEncoded());
}
public async Task <Guid> Handle(CreateFeatureFlagRequest request, CancellationToken cancellationToken)
{
var feature = new Feature
{
ResourceId = RT.Comb.Provider.PostgreSql.Create(),
Name = request.Name,
Signals = new List <Signal>
{
new Signal
{
Value = request.Setting.ToString(),
Tags = string.Join(",", request.Tags)
}
}
};
await _context.Features.AddAsync(feature, cancellationToken).ConfigureAwait(false);
await _context.SaveChangesAsync(cancellationToken).ConfigureAwait(false);
return(feature.ResourceId);
}
public async Task <string> Handle(RollKeysRequest request, CancellationToken cancellationToken)
{
// Get all encrypted signals
var encryptedSignals = await _context.Signals.Where(signal => signal.Tags.Contains(Constants.EncryptedTag))
.ToArrayAsync(cancellationToken)
.ConfigureAwait(false);
// Decrypt the signals
foreach (var signal in encryptedSignals)
{
signal.Value = await _mediator.Send(new DecryptionRequest
{
PrivateKey = request.PrivateKey,
ToDecrypt = signal.Value
}, cancellationToken).ConfigureAwait(false);
}
// Generate New Keys
var privateKey = await _mediator.Send(new GenerateKeysRequest(), cancellationToken).ConfigureAwait(false);
var publicKey = await _mediator.Send(new GetSettingRequest
{
Name = GenerateKeysRequestHandler.PublicKeySettingName
}, cancellationToken).ConfigureAwait(false);
// Re-encrypt the signals
foreach (var signal in encryptedSignals)
{
signal.Value = await _mediator.Send(new EncryptionRequest
{
PublicKey = Convert.FromBase64String(publicKey),
ToEncrypt = signal.Value
}, cancellationToken).ConfigureAwait(false);
}
await _context.SaveChangesAsync(cancellationToken).ConfigureAwait(false);
return(Convert.ToBase64String(privateKey));
}
public async Task <Guid> Handle(CreateSignalRequest request, CancellationToken cancellationToken)
{
var tags = request.Tags.ToList();
var isBaseType = request.Value.IsBaseType();
var valueType = request.Value.GetSignalValueType();
var value = isBaseType ? request.Value.ToString() : JsonConvert.SerializeObject(request.Value);
if (request.Encrypted)
{
var publicKey = await _mediator.Send(new GetSettingRequest
{
Name = GenerateKeysRequestHandler.PublicKeySettingName
}, cancellationToken).ConfigureAwait(false);
value = await _mediator.Send(new EncryptionRequest
{
PublicKey = Convert.FromBase64String(publicKey),
ToEncrypt = value
}, cancellationToken).ConfigureAwait(false);
if (!tags.Contains(Constants.EncryptedTag))
{
tags.Add(Constants.EncryptedTag);
}
}
var joinedTags = string.Join(",", tags);
// We check here to make sure we're not creating a duplicate
var duplicate = tags.Any()
? await _mediator.Send(new GetSignalByNameAndTagRequest
{
Name = request.Name,
Tag = joinedTags
}, cancellationToken).ConfigureAwait(false)
: await _mediator.Send(new GetSignalByNameRequest
{
Name = request.Name
}, cancellationToken).ConfigureAwait(false);
if (duplicate != null)
{
throw new InvalidOperationException(SignalAlreadyExistsErrorMessage);
}
var signal = new Signal
{
ResourceId = RT.Comb.Provider.PostgreSql.Create(),
Name = request.Name,
Tags = joinedTags,
Value = value,
ValueType = valueType,
IsBaseType = isBaseType
};
await _context.Signals.AddAsync(signal, cancellationToken).ConfigureAwait(false);
await _context.SaveChangesAsync(cancellationToken).ConfigureAwait(false);
return(signal.ResourceId.Value);
}
internal async Task Execute(PatchSignalRequest request, CancellationToken cancellationToken)
{
var domainModel = await _semaphoreContext.Signals.FirstOrDefaultAsync(signal => signal.ResourceId == request.Id, cancellationToken).ConfigureAwait(false);
if (domainModel == null)
{
throw new InvalidOperationException(string.Format(SignalNotFoundMessage, request.Id));
}
var wasEncrypted = domainModel.IsEncrypted();
if (wasEncrypted && !request.PrivateKey.IsNullOrBlank())
{
domainModel.Value = await _mediator.Send(new DecryptionRequest
{
PrivateKey = request.PrivateKey,
ToDecrypt = domainModel.Value
}, cancellationToken).ConfigureAwait(false);
}
// Because the request needs to be the abstracted SignalWriteModel we have to perform some necessary steps
// 1) Map the domain model to a write model
// 2) Use the Microsoft JSON Patch framework to apply the changes requested
// 3) Populate the domain model with the given changes
// 4) If requested, encrypt the value
// 5) Save changes
// 1)
var writeModel = domainModel.ToWriteModel();
// 2)
request.Patch.ApplyTo(writeModel);
if ((writeModel.Tags.IsNullOrEmpty() || !writeModel.Tags.Contains(Constants.EncryptedTag)) && (wasEncrypted || writeModel.Encrypted))
{
writeModel.Tags = (writeModel.Tags ?? Enumerable.Empty <string>()).Union(new[] { Constants.EncryptedTag }).ToList();
}
// 3)
domainModel.PopulateFromWriteModel(writeModel);
// 4)
if (request.Patch.Operations.Any(operation => CultureInfo.CurrentCulture.CompareInfo.IndexOf(operation.path, nameof(SignalWriteModel.Value), CompareOptions.OrdinalIgnoreCase) >= 0 ||
CultureInfo.CurrentCulture.CompareInfo.IndexOf(operation.path, nameof(SignalWriteModel.Tags), CompareOptions.OrdinalIgnoreCase) >= 0))
{
if (writeModel.Encrypted || (writeModel.Tags ?? new List <string>()).Contains(Constants.EncryptedTag))
{
var publicKey = await _mediator.Send(new GetSettingRequest
{
Name = GenerateKeysRequestHandler.PublicKeySettingName
}, cancellationToken).ConfigureAwait(false);
domainModel.Value = await _mediator.Send(new EncryptionRequest
{
PublicKey = Convert.FromBase64String(publicKey),
ToEncrypt = domainModel.Value
}, cancellationToken).ConfigureAwait(false);
}
}
// 5)
await _semaphoreContext.SaveChangesAsync(cancellationToken).ConfigureAwait(false);
}