Consumer API: Prevent messages to identities to be deleted

Backbone.Tests.ArchUnit/CleanArchitecture.cs

@@ -12,6 +12,11 @@ public class CleanArchitecture
             .ResideInAssembly("Backbone.Modules.*", true)
             .As("All Modules");
 
+    private static readonly IObjectProvider<IType> CONSUMER_API_ASSEMBLIES =
+        Types().That()
+            .ResideInAssembly("Backbone.Modules.*.ConsumerApi", true)
+            .As("ConsumerApi Assemblies");
+
     private static readonly IObjectProvider<IType> APPLICATION_ASSEMBLIES =
         Types().That()
             .ResideInAssembly("Backbone.Modules.*.Application", true)
@@ -34,6 +39,7 @@ public void ModulesShouldNotDependOnOtherModules(IObjectProvider<IType> module)
         Types()
             .That().Are(module)
             .And().AreNot(Backbone.TEST_TYPES)
+            .And().AreNot(CONSUMER_API_ASSEMBLIES)
             .Should().NotDependOnAny(otherModules)
             .Because("modules should be self-contained.")
             .Check(Backbone.ARCHITECTURE);

BuildingBlocks/src/BuildingBlocks.API/Mvc/ExceptionFilters/CustomExceptionFilter.cs

@@ -143,7 +143,7 @@ private HttpError CreateHttpErrorForDomainException(DomainException domainExcept
             });
         }
 
-        return null;
+        return applicationException.AdditionalData;
     }
 
     private static HttpStatusCode GetStatusCodeForInfrastructureException(InfrastructureException _)

BuildingBlocks/src/BuildingBlocks.Application.Abstractions/Exceptions/ApplicationError.cs

@@ -2,12 +2,14 @@ namespace Backbone.BuildingBlocks.Application.Abstractions.Exceptions;
 
 public class ApplicationError
 {
-    public ApplicationError(string code, string message)
+    public ApplicationError(string code, string message, dynamic? additionalData = null)
     {
         Code = code;
         Message = message;
+        AdditionalData = additionalData;
     }
 
     public string Code { get; }
     public string Message { get; }
+    public dynamic? AdditionalData { get; }
 }

BuildingBlocks/src/BuildingBlocks.Application.Abstractions/Exceptions/ApplicationException.cs

@@ -5,13 +5,16 @@ public class ApplicationException : Exception
     public ApplicationException(ApplicationError error) : base(error.Message)
     {
         Code = error.Code;
+        AdditionalData = error.AdditionalData;
     }
 
     public ApplicationException(ApplicationError error, Exception innerException) : base(error.Message,
         innerException)
     {
         Code = error.Code;
+        AdditionalData = error.AdditionalData;
     }
 
     public string Code { get; set; }
+    public dynamic? AdditionalData { get; }
 }

BuildingBlocks/src/BuildingBlocks.SDK/Endpoints/Common/EndpointClient.cs

@@ -5,7 +5,6 @@
 using System.Text.Json;
 using System.Web;
 using Backbone.BuildingBlocks.SDK.Endpoints.Common.Types;
-using Backbone.Tooling.JsonConverters;
 using JsonSerializer = System.Text.Json.JsonSerializer;
 
 namespace Backbone.BuildingBlocks.SDK.Endpoints.Common;
@@ -34,7 +33,6 @@ public EndpointClient(HttpClient httpClient, IAuthenticator authenticator, JsonS
         _httpClient = httpClient;
         _authenticator = authenticator;
         _jsonSerializerOptions = jsonSerializerOptions;
-        jsonSerializerOptions.Converters.Add(new UrlSafeBase64ToByteArrayJsonConverter());
     }
 
     public async Task<ApiResponse<T>> Post<T>(string url, object? requestContent = null)

BuildingBlocks/src/BuildingBlocks.SDK/Endpoints/Common/Types/ApiError.cs

@@ -1,4 +1,7 @@
-namespace Backbone.BuildingBlocks.SDK.Endpoints.Common.Types;
+using System.Text.Json;
+using System.Text.Json.Serialization;
+
+namespace Backbone.BuildingBlocks.SDK.Endpoints.Common.Types;
 
 public class ApiError
 {
@@ -7,4 +10,37 @@ public class ApiError
     public required string Message { get; set; }
     public required string Docs { get; set; }
     public required DateTime Time { get; set; }
+    public ApiErrorData? Data { get; set; }
+}
+
+public class ApiErrorData
+{
+    private readonly JsonElement _data;
+    private readonly JsonSerializerOptions _optionsUsedToDeserializeThis;
+
+    private ApiErrorData(JsonElement data, JsonSerializerOptions options)
+    {
+        _data = data;
+        _optionsUsedToDeserializeThis = options; // we need to keep the options to be able to deserialize the data later
+    }
+
+    public T As<T>()
+    {
+        var json = _data.GetRawText();
+        return JsonSerializer.Deserialize<T>(json, _optionsUsedToDeserializeThis)!;
+    }
+
+    public class JsonConverter : JsonConverter<ApiErrorData>
+    {
+        public override ApiErrorData Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+        {
+            var element = JsonSerializer.Deserialize<JsonElement>(ref reader, options);
+            return new ApiErrorData(element, options);
+        }
+
+        public override void Write(Utf8JsonWriter writer, ApiErrorData value, JsonSerializerOptions options)
+        {
+            JsonSerializer.Serialize(writer, value.As<JsonElement>(), options);
+        }
+    }
 }

ConsumerApi.Sdk/Configuration.cs

@@ -1,12 +1,21 @@
 using System.Text.Json;
+using Backbone.BuildingBlocks.SDK.Endpoints.Common.Types;
 using Backbone.ConsumerApi.Sdk.Authentication;
+using Backbone.Tooling.JsonConverters;
 
 namespace Backbone.ConsumerApi.Sdk;
 
 public class Configuration
 {
+    public Configuration()
+    {
+        JsonSerializerOptions = new JsonSerializerOptions { PropertyNameCaseInsensitive = true };
+        JsonSerializerOptions.Converters.Add(new UrlSafeBase64ToByteArrayJsonConverter());
+        JsonSerializerOptions.Converters.Add(new ApiErrorData.JsonConverter());
+    }
+
     public required AuthenticationConfiguration Authentication { get; init; }
-    public JsonSerializerOptions JsonSerializerOptions { get; init; } = new() { PropertyNameCaseInsensitive = true };
+    public JsonSerializerOptions JsonSerializerOptions { get; init; }
 
     public class AuthenticationConfiguration
     {

ConsumerApi.Tests.Integration/Features/Messages/POST.feature

@@ -0,0 +1,18 @@
+@Integration
+Feature: POST Message
+
+User sends a Message
+
+Scenario: Sending a Message
+	Given Identities i1 and i2 with an established Relationship
+	When i1 sends a POST request to the /Messages endpoint with i2 as recipient
+	Then the response status code is 201 (Created)
+	And the response contains a SendMessageResponse
+
+Scenario: Sending a Message to Identity to be deleted
+	Given Identities i1 and i2 with an established Relationship
+	And i2 is in status "ToBeDeleted"
+	When i1 sends a POST request to the /Messages endpoint with i2 as recipient
+	Then the response status code is 400 (Bad Request)
+	And the response content contains an error with the error code "error.platform.validation.message.recipientToBeDeleted"
+	And the error contains a list of Identities to be deleted that includes i2

ConsumerApi.Tests.Integration/Helpers/Utils.cs

@@ -0,0 +1,38 @@
+using Backbone.ConsumerApi.Sdk;
+using Backbone.ConsumerApi.Sdk.Endpoints.Relationships.Types.Requests;
+using Backbone.ConsumerApi.Sdk.Endpoints.RelationshipTemplates.Types.Requests;
+using Backbone.ConsumerApi.Tests.Integration.Extensions;
+using Backbone.Crypto;
+
+namespace Backbone.ConsumerApi.Tests.Integration.Helpers;
+
+public static class Utils
+{
+    public static async Task EstablishRelationshipBetween(Client client1, Client client2)
+    {
+        var createRelationshipTemplateRequest = new CreateRelationshipTemplateRequest
+        {
+            Content = ConvertibleString.FromUtf8("AAA").BytesRepresentation
+        };
+
+        var relationshipTemplateResponse = await client1.RelationshipTemplates.CreateTemplate(createRelationshipTemplateRequest);
+        relationshipTemplateResponse.Should().BeASuccess();
+
+        var createRelationshipRequest = new CreateRelationshipRequest
+        {
+            RelationshipTemplateId = relationshipTemplateResponse.Result!.Id,
+            Content = ConvertibleString.FromUtf8("AAA").BytesRepresentation
+        };
+
+        var createRelationshipResponse = await client2.Relationships.CreateRelationship(createRelationshipRequest);
+        createRelationshipResponse.Should().BeASuccess();
+
+        var completeRelationshipChangeRequest = new CompleteRelationshipChangeRequest
+        {
+            Content = ConvertibleString.FromUtf8("AAA").BytesRepresentation
+        };
+        var acceptRelationChangeResponse =
+            await client1.Relationships.AcceptChange(createRelationshipResponse.Result!.Id, createRelationshipResponse.Result.Changes.First().Id, completeRelationshipChangeRequest);
+        acceptRelationChangeResponse.Should().BeASuccess();
+    }
+}

ConsumerApi.Tests.Integration/StepDefinitions/MessagesStepDefinitions.cs

@@ -0,0 +1,99 @@
+using Backbone.BuildingBlocks.SDK.Endpoints.Common.Types;
+using Backbone.ConsumerApi.Sdk;
+using Backbone.ConsumerApi.Sdk.Authentication;
+using Backbone.ConsumerApi.Sdk.Endpoints.Messages.Types.Requests;
+using Backbone.ConsumerApi.Sdk.Endpoints.Messages.Types.Responses;
+using Backbone.ConsumerApi.Tests.Integration.Configuration;
+using Backbone.ConsumerApi.Tests.Integration.Extensions;
+using Backbone.ConsumerApi.Tests.Integration.Helpers;
+using Backbone.ConsumerApi.Tests.Integration.Support;
+using Backbone.Crypto;
+using Microsoft.Extensions.Options;
+
+namespace Backbone.ConsumerApi.Tests.Integration.StepDefinitions;
+
+[Binding]
+[Scope(Feature = "POST Message")]
+internal class MessagesStepDefinitions
+{
+    private Client _client1 = null!;
+    private Client _client2 = null!;
+    private ApiResponse<SendMessageResponse>? _sendMessageResponse;
+    private readonly ClientCredentials _clientCredentials;
+    private readonly HttpClient _httpClient;
+
+    public MessagesStepDefinitions(HttpClientFactory factory, IOptions<HttpConfiguration> httpConfiguration)
+    {
+        _httpClient = factory.CreateClient();
+        _clientCredentials = new ClientCredentials(httpConfiguration.Value.ClientCredentials.ClientId, httpConfiguration.Value.ClientCredentials.ClientSecret);
+    }
+
+    [Given("Identities i1 and i2 with an established Relationship")]
+    public async Task GivenIdentitiesI1AndI2WithAnEstablishedRelationship()
+    {
+        _client1 = await Client.CreateForNewIdentity(_httpClient, _clientCredentials, Constants.DEVICE_PASSWORD);
+        _client2 = await Client.CreateForNewIdentity(_httpClient, _clientCredentials, Constants.DEVICE_PASSWORD);
+
+        await Utils.EstablishRelationshipBetween(_client1, _client2);
+    }
+
+    [Given("i2 is in status \"ToBeDeleted\"")]
+    public async Task GivenIdentityI2IsToBeDeleted()
+    {
+        var startDeletionProcessResponse = await _client2.Identities.StartDeletionProcess();
+        startDeletionProcessResponse.Should().BeASuccess();
+    }
+
+    [When("i1 sends a POST request to the /Messages endpoint with i2 as recipient")]
+    public async Task WhenAPostRequestIsSentToTheMessagesEndpoint()
+    {
+        var sendMessageRequest = new SendMessageRequest
+        {
+            Attachments = [],
+            Body = ConvertibleString.FromUtf8("Some Message").BytesRepresentation,
+            Recipients =
+            [
+                new SendMessageRequestRecipientInformation
+                {
+                    Address = _client2.IdentityData!.Address,
+                    EncryptedKey = ConvertibleString.FromUtf8("AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA").BytesRepresentation
+                }
+            ]
+        };
+        _sendMessageResponse = await _client1.Messages.SendMessage(sendMessageRequest);
+    }
+
+    [Then(@"the response status code is (\d\d\d) \(.+\)")]
+    public void ThenTheResponseStatusCodeIs(int expectedStatusCode)
+    {
+        ((int)_sendMessageResponse!.Status).Should().Be(expectedStatusCode);
+    }
+
+    [Then("the response contains a SendMessageResponse")]
+    public void ThenTheResponseContainsASendMessageResponse()
+    {
+        _sendMessageResponse!.Result.Should().NotBeNull();
+        _sendMessageResponse.Should().BeASuccess();
+        _sendMessageResponse.Should().ComplyWithSchema();
+    }
+
+    [Then(@"the response content contains an error with the error code ""([^""]*)""")]
+    public void ThenTheResponseContentIncludesAnErrorWithTheErrorCode(string errorCode)
+    {
+        _sendMessageResponse!.Error.Should().NotBeNull();
+        _sendMessageResponse.Error!.Code.Should().Be(errorCode);
+    }
+
+    [Then(@"the error contains a list of Identities to be deleted that includes i2")]
+    public void ThenTheErrorContainsAListOfIdentitiesToBeDeletedThatIncludesIdentityI2()
+    {
+        var data = _sendMessageResponse!.Error!.Data?.As<PeersToBeDeletedErrorData>();
+        data.Should().NotBeNull();
+        data!.PeersToBeDeleted.Contains(_client2.IdentityData!.Address).Should().BeTrue();
+    }
+}
+
+public class PeersToBeDeletedErrorData
+{
+    public required List<string> PeersToBeDeleted { get; set; }
+}

Modules/Devices/src/Devices.Application/DTOs/IdentitySummaryDTO.cs

@@ -12,6 +12,7 @@ public IdentitySummaryDTO(Identity identity)
         Address = identity.Address.ToString();
         PublicKey = identity.PublicKey;
         CreatedAt = identity.CreatedAt;
+        Status = identity.Status;
 
         Devices = identity.Devices.Select(d => new DeviceDTO
         {
@@ -33,6 +34,7 @@ public IdentitySummaryDTO(Identity identity)
     public string? ClientId { get; set; }
     public byte[] PublicKey { get; set; }
     public DateTime CreatedAt { get; set; }
+    public IdentityStatus Status { get; set; }
 
     public IEnumerable<DeviceDTO> Devices { get; set; }
     public int NumberOfDevices { get; set; }

Modules/Devices/src/Devices.Application/Identities/Queries/ListIdentities/Handler.cs

@@ -1,8 +1,11 @@
+using System.Linq.Expressions;
 using Backbone.Modules.Devices.Application.DTOs;
 using Backbone.Modules.Devices.Application.Infrastructure.Persistence.Repository;
+using Backbone.Modules.Devices.Domain.Entities.Identities;
 using MediatR;
 
 namespace Backbone.Modules.Devices.Application.Identities.Queries.ListIdentities;
+
 public class Handler : IRequestHandler<ListIdentitiesQuery, ListIdentitiesResponse>
 {
     private readonly IIdentitiesRepository _identitiesRepository;
@@ -14,9 +17,12 @@ public Handler(IIdentitiesRepository repository)
 
     public async Task<ListIdentitiesResponse> Handle(ListIdentitiesQuery request, CancellationToken cancellationToken)
     {
-        var dbPaginationResult = await _identitiesRepository.FindAll(request.PaginationFilter, cancellationToken);
-        var identityDtos = dbPaginationResult.ItemsOnPage.Select(el => new IdentitySummaryDTO(el)).ToList();
+        Expression<Func<Identity, bool>> filter = i => (request.Addresses == null || request.Addresses.Contains(i.Address)) &&
+                                                       (request.Status == null || i.Status == request.Status);
+
+        var identities = await _identitiesRepository.Find(filter, cancellationToken);
+        var identityDtos = identities.Select(i => new IdentitySummaryDTO(i)).ToList();
 
-        return new ListIdentitiesResponse(identityDtos, request.PaginationFilter, dbPaginationResult.TotalNumberOfItems);
+        return new ListIdentitiesResponse(identityDtos);
     }
 }