コード例 #1
0
ファイル: DotvvmPresenter.cs プロジェクト: jdiss/dotvvm
        public async Task ProcessStaticCommandRequest(IDotvvmRequestContext context)
        {
            JObject postData;

            using (var jsonReader = new JsonTextReader(new StreamReader(context.HttpContext.Request.Body)))
            {
                postData = JObject.Load(jsonReader);
            }
            // validate csrf token
            context.CsrfToken = postData["$csrfToken"].Value <string>();
            CsrfProtector.VerifyToken(context, context.CsrfToken);

            var command    = postData["command"].Value <string>();
            var arguments  = postData["args"] as JArray;
            var lastDot    = command.LastIndexOf('.');
            var typeName   = command.Remove(lastDot);
            var methodName = command.Substring(lastDot + 1);
            var methodInfo = Type.GetType(typeName).GetMethod(methodName);

            if (!methodInfo.IsDefined(typeof(AllowStaticCommandAttribute)))
            {
                throw new DotvvmHttpException($"This method cannot be called from the static command. If you need to call this method, add the '{nameof(AllowStaticCommandAttribute)}' to the method.");
            }
            var target          = methodInfo.IsStatic ? null : arguments[0].ToObject(methodInfo.DeclaringType);
            var methodArguments =
                arguments.Skip(methodInfo.IsStatic ? 0 : 1)
                .Zip(methodInfo.GetParameters(), (arg, parameter) => arg.ToObject(parameter.ParameterType))
                .ToArray();
            var actionInfo = new ActionInfo
            {
                IsControlCommand = false,
                Action           = () => methodInfo.Invoke(target, methodArguments)
            };
            var filters = context.Configuration.Runtime.GlobalFilters.OfType <ICommandActionFilter>()
                          .Concat(ActionFilterHelper.GetActionFilters <ICommandActionFilter>(methodInfo))
                          .ToArray();

            var result = await ExecuteCommand(actionInfo, context, filters);

            using (var writer = new StreamWriter(context.HttpContext.Response.Body))
            {
                var json = ViewModelSerializer.BuildStaticCommandResponse(context, result);
                writer.WriteLine(json);
            }
        }
コード例 #2
0
ファイル: DotvvmPresenter.cs プロジェクト: vstribrny/dotvvm
        public async Task ProcessStaticCommandRequest(IDotvvmRequestContext context)
        {
            try
            {
                JObject postData;
                using (var jsonReader = new JsonTextReader(new StreamReader(context.HttpContext.Request.Body)))
                {
                    postData = JObject.Load(jsonReader);
                }

                // validate csrf token
                context.CsrfToken = postData["$csrfToken"].Value <string>();
                CsrfProtector.VerifyToken(context, context.CsrfToken);

                var command       = postData["command"].Value <string>();
                var arguments     = postData["args"] as JArray;
                var executionPlan =
                    StaticCommandBindingCompiler.DecryptJson(Convert.FromBase64String(command), context.Services.GetService <IViewModelProtector>())
                    .Apply(StaticCommandBindingCompiler.DeserializePlan);

                var actionInfo = new ActionInfo {
                    IsControlCommand = false,
                    Action           = () => { return(ExecuteStaticCommandPlan(executionPlan, new Queue <JToken>(arguments), context)); }
                };
                var filters = context.Configuration.Runtime.GlobalFilters.OfType <ICommandActionFilter>()
                              .Concat(executionPlan.GetAllMethods().SelectMany(m => ActionFilterHelper.GetActionFilters <ICommandActionFilter>(m)))
                              .ToArray();

                var result = await ExecuteCommand(actionInfo, context, filters);

                await OutputRenderer.WriteStaticCommandResponse(context,
                                                                ViewModelSerializer.BuildStaticCommandResponse(context, result));
            }
            finally
            {
                StaticCommandServiceLoader.DisposeStaticCommandServices(context);
            }
        }