public async Task <ExtractedResponse> RouteRequest(ExtractedRequest request)
{
// Organise the path to the final endpoint
string basePath = '/' + request.Path.Split('/')[1];
ExtractedResponse response = new ExtractedResponse();
// Get the correct endpoint for the route requested
Route route;
try
{
route = Endpoints.First(r => r.Endpoint.Equals(basePath));
}
catch
{
throw new NotFoundCustomException("Route not found", $"Route matching {basePath} not found");
}
if (route.Destination.RequiresAuthentication)
{
// Auth stuff would go here, throwing exception for now
throw new NotAuthorizedCustomException("Unauthorized", "You do not have permission to access this resource");
}
if (route.TransportType == TransportType.Http)
{
response = await httpClient.SendRequest(request, route);
}
else if (route.TransportType == TransportType.MessageQueue)
{
messageClient.PushMessageIntoQueue(request.GetJsonBytes(), route.Destination.MessageQueue);
response.Body = "{message: \"Message client does not support responses at the moment\"}";
response.StatusCode = HttpStatusCode.OK;
}
return(response);
}
// This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
public void Configure(IApplicationBuilder app, IHostingEnvironment env, IMessageClient messageClient, IHttpClient httpClient)
{
if (env.IsDevelopment())
{
app.UseDeveloperExceptionPage();
}
Router router = new Router(messageClient, httpClient)
{
// Configuration included to help with HTTP API calls
Configuration = Configuration
};
// Ignore requests to specified endpoints
var ignoredRoutes = new List <string>()
{
"favicon.ico"
};
app.UseErrorHandler();
app.UseMiddleware <IgnoreRoute>(ignoredRoutes);
app.UseMiddleware <AddHeaders>();
app.Run(async(context) =>
{
var extractedRequest = new ExtractedRequest(context.Request);
messageClient.PushAuditMessage(extractedRequest.GetJsonBytes());
var content = await router.RouteRequest(extractedRequest);
context.Response.StatusCode = (int)content.StatusCode;
content.Headers = context.Response.Headers;
messageClient.PushAuditMessage(content.GetJsonBytes());
await context.Response.WriteAsync(content.Body);
});
}
