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);
}
}
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);
}
}
