(#333) events service udpate

MiniSpace.APIGateway.Ocelot/Dockerfile

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+FROM mcr.microsoft.com/dotnet/sdk:8.0 AS build
+WORKDIR /app
+
+COPY . .
+
+RUN dotnet publish src/MiniSpace.APIGateway.Ocelot -c Release -o out
+
+FROM mcr.microsoft.com/dotnet/aspnet:8.0
+WORKDIR /app
+
+COPY --from=build /app/out .
+
+ENV ASPNETCORE_URLS=http://*:80
+ENV ASPNETCORE_ENVIRONMENT=docker
+ENV NTRADA_CONFIG=ntrada.docker
+
+ENTRYPOINT ["dotnet", "MiniSpace.APIGateway.Ocelot.dll"]

MiniSpace.APIGateway.Ocelot/LICENSE

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+                                 Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+## TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+### 1. Definitions.
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+
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+### 5. Submission of Contributions.
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+### 6. Trademarks.
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+This License does not grant permission to use the trade names, trademarks, service marks, or product names of the Licensor, except as required for reasonable and customary use in describing the origin of the Work and reproducing the content of the NOTICE file.
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+### 9. Accepting Warranty or Additional Liability.
+
+While redistributing the Work or Derivative Works thereof, You may choose to offer, and charge a fee for, acceptance of support, warranty, protection, or other liability obligations and/or rights consistent with this License. However, in accepting such obligations, You may act only on Your own behalf and on Your sole responsibility, not on behalf of any other Contributor, and only if You agree to indemnify, defend, and hold each Contributor harmless for any liability incurred by, or claims asserted against, such Contributor by reason of your accepting any such warranty or additional liability.
+
+## END OF TERMS AND CONDITIONS
+
+### Appendix: How to apply the Apache License to your work.
+
+To apply the Apache License to your work, attach the following boilerplate notice, with the fields enclosed by brackets "[]" replaced with your own identifying information. (Don't include the brackets!)  The text should be placed in the LICENSE file in the root directory of your source code (if not already present):
+
+    Copyright 2024 distributed_minispace_team
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
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+
+        http://www.apache.org/licenses/LICENSE-2.0
+
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+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.

MiniSpace.APIGateway.Ocelot/README.md

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+# MiniSpace ApiGateway for the microinfrastructure

MiniSpace.APIGateway.Ocelot/scripts/build.sh

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+#!/bin/bash
+dotnet build -c release

MiniSpace.APIGateway.Ocelot/scripts/dockerize-tag-push.sh

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+#!/bin/bash
+
+export ASPNETCORE_ENVIRONMENT=docker
+
+cd ..
+
+docker build -t minispace.apigateway:latest .
+
+docker tag minispace.apigateway:latest adrianvsaint/minispace.apigateway:latest
+
+docker push adrianvsaint/minispace.apigateway:latest

MiniSpace.APIGateway.Ocelot/scripts/dockerize.sh

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+#!/bin/bash
+TAG=''
+VERSION_TAG=
+
+case "$TRAVIS_BRANCH" in
+  "master")
+    TAG=latest
+    VERSION_TAG=$TRAVIS_BUILD_NUMBER
+    ;;
+  "develop")
+    TAG=dev
+    VERSION_TAG=$TAG-$TRAVIS_BUILD_NUMBER
+    ;;    
+esac
+
+REPOSITORY=$DOCKER_USERNAME/minispace.apigateway
+
+docker login -u $DOCKER_USERNAME -p $DOCKER_PASSWORD
+docker build -t $REPOSITORY:$TAG -t $REPOSITORY:$VERSION_TAG .
+docker push $REPOSITORY:$TAG
+docker push $REPOSITORY:$VERSION_TAG

MiniSpace.APIGateway.Ocelot/scripts/start-async.sh

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+#!/bin/bash
+export ASPNETCORE_ENVIRONMENT=local
+export NTRADA_CONFIG=ntrada-async
+cd src/MiniSpace.APIGateway
+dotnet run

MiniSpace.APIGateway.Ocelot/scripts/start.sh

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+#!/bin/bash
+export ASPNETCORE_ENVIRONMENT=local
+cd ../src/MiniSpace.APIGateway
+dotnet run

MiniSpace.APIGateway.Ocelot/scripts/test.sh

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+#!/bin/bash
+dotnet test

MiniSpace.APIGateway.Ocelot/src/MiniSpace.APIGateway.Ocelot/.gitignore

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+appsettings.local.json
+appsettings.docker.json
+appsettings.json

MiniSpace.APIGateway.Ocelot/src/MiniSpace.APIGateway.Ocelot/Infrastructure/AnonymousRouteOptions.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace MiniSpace.APIGateway.Ocelot.Infrastructure
+{
+    public class AnonymousRouteOptions
+    {
+        public IEnumerable<string> Routes { get; set; }
+    }
+}

MiniSpace.APIGateway.Ocelot/src/MiniSpace.APIGateway.Ocelot/Infrastructure/AnonymousRouteValidator.cs

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+using System.Collections.Generic;
+using System.Linq;
+using System.Text.RegularExpressions;
+using Microsoft.Extensions.Options;
+
+namespace MiniSpace.APIGateway.Ocelot.Infrastructure
+{
+    internal sealed class AnonymousRouteValidator : IAnonymousRouteValidator
+    {
+        private readonly HashSet<string> _routes;
+
+        public AnonymousRouteValidator(IOptions<AnonymousRouteOptions> options)
+        {
+            _routes = new HashSet<string>(options.Value.Routes ?? Enumerable.Empty<string>());
+        }
+
+        public bool HasAccess(string path) => _routes.Contains(path);
+    }
+}

MiniSpace.APIGateway.Ocelot/src/MiniSpace.APIGateway.Ocelot/Infrastructure/ApplicationBuilderExtensions.cs

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+using System;
+using System.Collections.Generic;
+using Microsoft.AspNetCore.Http;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Linq;
+using Newtonsoft.Json.Serialization;
+
+namespace MiniSpace.APIGateway.Ocelot
+{
+    internal static class ApplicationBuilderExtensions
+    {
+        private const string OperationHeader = "X-Operation";
+        private const string ResourceIdKey = "resource-id";
+        private static readonly JsonSerializerSettings JsonSerializerSettings = new JsonSerializerSettings
+        {
+            ContractResolver = new CamelCasePropertyNamesContractResolver()
+        };
+
+        public static void SetResourceId(this JObject jObject, string id)
+        {
+            var idProperty = jObject.Property("id", StringComparison.InvariantCultureIgnoreCase);
+            if (idProperty is null)
+            {
+                jObject.Add("id", id);
+                return;
+            }
+
+            idProperty.Value = id;
+        }
+
+        public static void SetResourceIdFoRequest(this HttpContext context, string id)
+            => context.Items.TryAdd(ResourceIdKey, id);
+
+        public static string GetResourceIdFoRequest(this HttpContext context)
+            => context.Items.TryGetValue(ResourceIdKey, out var id) ? id as string : string.Empty;
+
+        public static void SetOperationHeader(this HttpResponse response, string id)
+            => response.Headers[OperationHeader] = $"operations/{id}";
+    }
+}

MiniSpace.APIGateway.Ocelot/src/MiniSpace.APIGateway.Ocelot/Infrastructure/AsyncRoutesMiddleware.cs

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+using System;
+using System.Collections.Concurrent;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using Convey.MessageBrokers.RabbitMQ;
+using Convey.MessageBrokers.RabbitMQ.Conventions;
+using Microsoft.AspNetCore.Authentication;
+using Microsoft.Extensions.Options;
+using Newtonsoft.Json.Linq;
+using OpenTracing;
+
+
+namespace MiniSpace.APIGateway.Ocelot.Infrastructure
+{
+    internal sealed class AsyncRoutesMiddleware : IMiddleware
+    {
+        private static readonly ConcurrentDictionary<string, IConventions> Conventions =
+            new ConcurrentDictionary<string, IConventions>();
+
+        private readonly IRabbitMqClient _rabbitMqClient;
+        private readonly IPayloadBuilder _payloadBuilder;
+        private readonly ITracer _tracer;
+        private readonly ICorrelationContextBuilder _correlationContextBuilder;
+        private readonly IAnonymousRouteValidator _anonymousRouteValidator;
+        private readonly IDictionary<string, RouteOptions> _routes;
+        private readonly bool _authenticate;
+
+        public AsyncRoutesMiddleware(IRabbitMqClient rabbitMqClient, IPayloadBuilder payloadBuilder, ITracer tracer,
+            ICorrelationContextBuilder correlationContextBuilder, IAnonymousRouteValidator anonymousRouteValidator,
+            IOptions<AsyncRoutesOptions> asyncRoutesOptions)
+        {
+            _rabbitMqClient = rabbitMqClient;
+            _payloadBuilder = payloadBuilder;
+            _tracer = tracer;
+            _correlationContextBuilder = correlationContextBuilder;
+            _anonymousRouteValidator = anonymousRouteValidator;
+            _routes = asyncRoutesOptions.Value.Routes;
+            _authenticate = asyncRoutesOptions.Value.Authenticate == true;
+        }
+
+        public async Task InvokeAsync(HttpContext context, RequestDelegate next)
+        {
+            if (_routes is null || !_routes.Any())
+            {
+                await next(context);
+                return;
+            }
+
+            var key = GetKey(context);
+            if (!_routes.TryGetValue(key, out var route))
+            {
+                await next(context);
+                return;
+            }
+
+            if ((_authenticate && route.Authenticate != false || route.Authenticate == true) &&
+                !_anonymousRouteValidator.HasAccess(context.Request.Path))
+            {
+                var authenticateResult = await context.AuthenticateAsync();
+                if (!authenticateResult.Succeeded)
+                {
+                    context.Response.StatusCode = 401;
+                    return;
+                }
+
+                context.User = authenticateResult.Principal;
+            }
+
+            if (!Conventions.TryGetValue(key, out var conventions))
+            {
+                conventions = new MessageConventions(typeof(object), route.RoutingKey, route.Exchange, null);
+                Conventions.TryAdd(key, conventions);
+            }
+
+            var spanContext = _tracer.ActiveSpan?.Context.ToString() ?? string.Empty;
+
+            var message = await _payloadBuilder.BuildFromJsonAsync<object>(context.Request);
+            var resourceId = Guid.NewGuid().ToString("N");
+            if (context.Request.Method == "POST" && message is JObject jObject)
+            {
+                jObject.SetResourceId(resourceId);
+            }
+
+            var messageId = Guid.NewGuid().ToString("N");
+            var correlationId = Guid.NewGuid().ToString("N");
+            var correlationContext = _correlationContextBuilder.Build(context, correlationId, spanContext,
+                route.RoutingKey, resourceId);
+            _rabbitMqClient.Send(message, conventions, messageId, correlationId, spanContext, correlationContext);
+            context.Response.StatusCode = 202;
+            context.Response.SetOperationHeader(correlationId);
+        }
+
+        private static string GetKey(HttpContext context) => $"{context.Request.Method} {context.Request.Path}";
+    }
+}

MiniSpace.APIGateway.Ocelot/src/MiniSpace.APIGateway.Ocelot/Infrastructure/AsyncRoutesOptions.cs

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+namespace MiniSpace.APIGateway.Ocelot.Infrastructure
+{
+    internal sealed class AsyncRoutesOptions
+    {
+        public bool? Authenticate { get; set; }
+        public string Exchange { get; set; }
+        public string RoutingKey { get; set; }
+        public Dictionary<string, RouteOptions> Routes { get; set; } 
+    }
+
+    public class RouteOptions
+    {
+        public string RoutingKey { get; set; }
+        public string Exchange { get; set; }
+        public bool? Authenticate { get; set; }
+    }
+}

MiniSpace.APIGateway.Ocelot/src/MiniSpace.APIGateway.Ocelot/Infrastructure/CorrelationContext.cs

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+using System;
+using System.Collections.Generic;
+
+namespace MiniSpace.APIGateway.Ocelot.Infrastructure
+{
+    internal class CorrelationContext
+    {
+        public string CorrelationId { get; set; }
+        public string SpanContext { get; set; }
+        public UserContext User { get; set; }
+        public string ResourceId { get; set; }
+        public string TraceId { get; set; }
+        public string ConnectionId { get; set; }
+        public string Name { get; set; }
+        public DateTime CreatedAt { get; set; }
+
+        public class UserContext
+        {
+            public string Id { get; set; }
+            public bool IsAuthenticated { get; set; }
+            public string Role { get; set; }
+            public IDictionary<string, string> Claims { get; set; }
+        }
+    }
+}