// This method gets called by the runtime. Use this method to configure the HTTP request pipeline. public void Configure(IApplicationBuilder app, IWebHostEnvironment env, IDBservice dbservice) { if (env.IsDevelopment()) { app.UseDeveloperExceptionPage(); } app.UseMiddleware <LoggingMiddleware>(); app.Use(async(context, next) => { if (!context.Request.Headers.ContainsKey("Index")) { context.Response.StatusCode = StatusCodes.Status401Unauthorized; await context.Response.WriteAsync("There is no index header in the request here"); return; } else { var indexnum = context.Request.Headers["Index"].ToString(); var existStud = dbservice.existIndexNumber(indexnum); if (!existStud) { context.Response.StatusCode = StatusCodes.Status401Unauthorized; await context.Response.WriteAsync("There is no student here with that index number"); return; } await context.Response.WriteAsync("This Student is in the database"); } await next(); }); app.UseHttpsRedirection(); app.UseRouting(); app.UseAuthorization(); app.UseEndpoints(endpoints => { endpoints.MapControllers(); }); }