1 files changed, 117 insertions, 0 deletions
diff --git a/Utilities/LibMatrix.HomeserverEmulator/Program.cs b/Utilities/LibMatrix.HomeserverEmulator/Program.cs
new file mode 100644
index 0000000..9ea6fce
--- /dev/null
+++ b/Utilities/LibMatrix.HomeserverEmulator/Program.cs
@@ -0,0 +1,117 @@
+using System.Net.Mime;
+using System.Text.Json.Serialization;
+using LibMatrix;
+using LibMatrix.HomeserverEmulator.Extensions;
+using LibMatrix.HomeserverEmulator.Services;
+using LibMatrix.Services;
+using Microsoft.AspNetCore.Diagnostics;
+using Microsoft.AspNetCore.Http.Timeouts;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.OpenApi.Models;
+
+var builder = WebApplication.CreateBuilder(args);
+
+builder.Services.Configure<ApiBehaviorOptions>(options =>
+{
+    options.SuppressModelStateInvalidFilter = true;
+});
+
+builder.Services.AddControllers(options => {
+    options.MaxValidationDepth = null;
+    options.MaxIAsyncEnumerableBufferLimit = 100;
+}).AddJsonOptions(options => { options.JsonSerializerOptions.DefaultIgnoreCondition = JsonIgnoreCondition.WhenWritingNull; });
+
+builder.Services.AddEndpointsApiExplorer();
+builder.Services.AddSwaggerGen(c => {
+    c.SwaggerDoc("v1", new OpenApiInfo() {
+        Version = "v1",
+        Title = "Rory&::LibMatrix.HomeserverEmulator",
+        Description = "Partial Matrix homeserver implementation"
+    });
+    c.IncludeXmlComments(Path.Combine(AppContext.BaseDirectory, "LibMatrix.HomeserverEmulator.xml"));
+});
+
+builder.Services.AddSingleton<IHttpContextAccessor, HttpContextAccessor>();
+builder.Services.AddSingleton<HSEConfiguration>();
+builder.Services.AddSingleton<UserStore>();
+builder.Services.AddSingleton<RoomStore>();
+builder.Services.AddSingleton<MediaStore>();
+
+builder.Services.AddScoped<TokenService>();
+
+builder.Services.AddSingleton<HomeserverProviderService>();
+builder.Services.AddSingleton<HomeserverResolverService>();
+builder.Services.AddSingleton<PaginationTokenResolverService>();
+
+builder.Services.AddRequestTimeouts(x => {
+    x.DefaultPolicy = new RequestTimeoutPolicy {
+        Timeout = TimeSpan.FromMinutes(10),
+        WriteTimeoutResponse = async context => {
+            context.Response.StatusCode = 504;
+            context.Response.ContentType = "application/json";
+            await context.Response.StartAsync();
+            await context.Response.WriteAsJsonAsync(new MatrixException() {
+                ErrorCode = "M_TIMEOUT",
+                Error = "Request timed out"
+            }.GetAsJson());
+            await context.Response.CompleteAsync();
+        }
+    };
+});
+builder.Services.AddCors(options => {
+    options.AddPolicy(
+        "Open",
+        policy => policy.AllowAnyOrigin().AllowAnyHeader().AllowAnyMethod());
+});
+var app = builder.Build();
+
+// Configure the HTTP request pipeline.
+if (app.Environment.IsDevelopment() || true) {
+    app.UseSwagger();
+    app.UseSwaggerUI();
+}
+
+app.UseCors("Open");
+app.UseExceptionHandler(exceptionHandlerApp => {
+    exceptionHandlerApp.Run(async context => {
+        var exceptionHandlerPathFeature =
+            context.Features.Get<IExceptionHandlerPathFeature>();
+        if (exceptionHandlerPathFeature?.Error is not null)
+            Console.WriteLine(exceptionHandlerPathFeature.Error.ToString()!);
+
+        if (exceptionHandlerPathFeature?.Error is MatrixException mxe) {
+            context.Response.StatusCode = mxe.ErrorCode switch {
+                "M_NOT_FOUND" => StatusCodes.Status404NotFound,
+                "M_UNAUTHORIZED" => StatusCodes.Status401Unauthorized,
+                _ => StatusCodes.Status500InternalServerError
+            };
+            context.Response.ContentType = MediaTypeNames.Application.Json;
+            await context.Response.WriteAsync(mxe.GetAsJson()!);
+        }
+        else {
+            context.Response.StatusCode = StatusCodes.Status500InternalServerError;
+            context.Response.ContentType = MediaTypeNames.Application.Json;
+            await context.Response.WriteAsync(new MatrixException() {
+                ErrorCode = "M_UNKNOWN",
+                Error = exceptionHandlerPathFeature?.Error.ToString()
+            }.GetAsJson());
+        }
+    });
+});
+
+app.UseAuthorization();
+
+app.MapControllers();
+
+app.Map("/_matrix/{*_}", (HttpContext ctx, ILogger<Program> logger) => {
+    logger.LogWarning("Client hit non-existing route: {Method} {Path}{Query}", ctx.Request.Method, ctx.Request.Path, ctx.Request.Query);
+    // Console.WriteLine($"Client hit non-existing route: {ctx.Request.Method} {ctx.Request.Path}");
+    ctx.Response.StatusCode = StatusCodes.Status404NotFound;
+    ctx.Response.ContentType = MediaTypeNames.Application.Json;
+    return ctx.Response.WriteAsJsonAsync(new MatrixException() {
+        ErrorCode = MatrixException.ErrorCodes.M_UNRECOGNISED,
+        Error = "Endpoint not implemented"
+    });
+});
+
+app.Run();
\ No newline at end of file