Golang RawMessage.MarshalJSON方法代码示例

func unmarshalRawJson(input *json.RawMessage, output interface{}) (err error) {
	raw, err := input.MarshalJSON()
	if err != nil {
		return
	}

	err = json.Unmarshal(raw, &output)
	if err != nil {
		return
	}

	return
}

func (h *H) PayloadOptions(w http.ResponseWriter, req *http.Request) {
	p := req.URL.Query().Get("payload")
	if p == "" {
		h.JSON400(w, errors.New("payload query parameter missing"))
		return
	}
	var options [][]string
	var thing json.RawMessage
	err := h.C.Call("payload_options", []string{p}, &thing)
	if err != nil {
		h.JSON400(w, err)
		return
	}
	d, err := thing.MarshalJSON()
	if err != nil {
		h.JSON400(w, err)
	}
	if err := json.Unmarshal(d, &options); err != nil {
		h.JSON400(w, err)
		return
	}
	opts := []PayloadOption{}
	for _, o := range options {
		if len(o) < 3 {
			continue
		}
		opts = append(opts, PayloadOption{Key: o[0], DefaultValue: o[1], Value: o[2]})
	}
	opts = append(opts, PayloadOption{
		Key:          "pwnstaller",
		DefaultValue: "N",
		Value:        "Use pwnstaller",
	})
	opts = append(opts, PayloadOption{
		Key:          "outputbase",
		DefaultValue: "",
		Value:        "Output base for generated payloads",
	})
	opts = append(opts, PayloadOption{
		Key:          "overwrite",
		DefaultValue: "true",
		Value:        "Overwrite existing files",
	})
	h.JSON(w, opts)
}

//.........这里部分代码省略.........
	var service, method, address string
	var request interface{}

	// response content type
	w.Header().Set("Content-Type", "application/json")

	ct := r.Header.Get("Content-Type")

	// Strip charset from Content-Type (like `application/json; charset=UTF-8`)
	if idx := strings.IndexRune(ct, ';'); idx >= 0 {
		ct = ct[:idx]
	}

	switch ct {
	case "application/json":
		var rpcReq rpcRequest

		d := json.NewDecoder(r.Body)
		d.UseNumber()

		if err := d.Decode(&rpcReq); err != nil {
			badRequest(err.Error())
			return
		}

		service = rpcReq.Service
		method = rpcReq.Method
		address = rpcReq.Address
		request = rpcReq.Request

		// JSON as string
		if req, ok := rpcReq.Request.(string); ok {
			d := json.NewDecoder(strings.NewReader(req))
			d.UseNumber()

			if err := d.Decode(&request); err != nil {
				badRequest("error decoding request string: " + err.Error())
				return
			}
		}
	default:
		r.ParseForm()
		service = r.Form.Get("service")
		method = r.Form.Get("method")
		address = r.Form.Get("address")

		d := json.NewDecoder(strings.NewReader(r.Form.Get("request")))
		d.UseNumber()

		if err := d.Decode(&request); err != nil {
			badRequest("error decoding request string: " + err.Error())
			return
		}
	}

	if len(service) == 0 {
		badRequest("invalid service")
		return
	}

	if len(method) == 0 {
		badRequest("invalid method")
		return
	}

	// create request/response
	var response json.RawMessage
	var err error
	req := (*cmd.DefaultOptions().Client).NewJsonRequest(service, method, request)

	// create context
	ctx := helper.RequestToContext(r)

	// remote call
	if len(address) > 0 {
		err = (*cmd.DefaultOptions().Client).CallRemote(ctx, address, req, &response)
	} else {
		err = (*cmd.DefaultOptions().Client).Call(ctx, req, &response)
	}
	if err != nil {
		ce := errors.Parse(err.Error())
		switch ce.Code {
		case 0:
			// assuming it's totally screwed
			ce.Code = 500
			ce.Id = "go.micro.rpc"
			ce.Status = http.StatusText(500)
			ce.Detail = "error during request: " + ce.Detail
			w.WriteHeader(500)
		default:
			w.WriteHeader(int(ce.Code))
		}
		w.Write([]byte(ce.Error()))
		return
	}

	b, _ := response.MarshalJSON()
	w.Header().Set("Content-Length", strconv.Itoa(len(b)))
	w.Write(b)
}

// RPCX Handler is an alternative handler which passes through an RPC request without modification
func (h *rpcxHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
	if r.Method != "POST" {
		http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
		return
	}
	defer r.Body.Close()

	// get service/method
	service, method := pathToReceiver(h.Namespace, r.URL.Path)
	ct := r.Header.Get("Content-Type")

	// Strip charset from Content-Type (like `application/json; charset=UTF-8`)
	if idx := strings.IndexRune(ct, ';'); idx >= 0 {
		ct = ct[:idx]
	}

	switch ct {
	case "application/json":
		// response content type
		w.Header().Set("Content-Type", "application/json")

		// get request
		br, err := ioutil.ReadAll(r.Body)
		if err != nil {
			e := errors.InternalServerError("go.micro.api", err.Error())
			http.Error(w, e.Error(), 500)
			return
		}
		// use as raw json
		request := json.RawMessage(br)

		// create request/response
		var response json.RawMessage
		req := (*cmd.DefaultOptions().Client).NewJsonRequest(service, method, &request)

		// create context
		ctx := helper.RequestToContext(r)

		// make the call
		if err := (*cmd.DefaultOptions().Client).Call(ctx, req, &response); err != nil {
			ce := errors.Parse(err.Error())
			switch ce.Code {
			case 0:
				// assuming it's totally screwed
				ce.Code = 500
				ce.Id = "go.micro.api"
				ce.Status = http.StatusText(500)
				ce.Detail = "error during request: " + ce.Detail
				w.WriteHeader(500)
			default:
				w.WriteHeader(int(ce.Code))
			}
			w.Write([]byte(ce.Error()))
			return
		}

		b, _ := response.MarshalJSON()
		w.Header().Set("Content-Length", strconv.Itoa(len(b)))
		w.Write(b)
	case "application/proto", "application/protobuf":
		// get request
		br, err := ioutil.ReadAll(r.Body)
		if err != nil {
			e := errors.InternalServerError("go.micro.api", err.Error())
			http.Error(w, e.Error(), 500)
			return
		}

		// use as raw proto
		request := proto.NewMessage(br)

		// create request/response
		response := &proto.Message{}
		req := (*cmd.DefaultOptions().Client).NewProtoRequest(service, method, request)

		// create context
		ctx := helper.RequestToContext(r)

		// make the call
		if err := (*cmd.DefaultOptions().Client).Call(ctx, req, response); err != nil {
			ce := errors.Parse(err.Error())
			switch ce.Code {
			case 0:
				// assuming it's totally screwed
				ce.Code = 500
				ce.Id = "go.micro.api"
				ce.Status = http.StatusText(500)
				ce.Detail = "error during request: " + ce.Detail
				w.WriteHeader(500)
			default:
				w.WriteHeader(int(ce.Code))
			}

			// response content type
			w.Header().Set("Content-Type", "application/json")
			w.Write([]byte(ce.Error()))
			return
		}

//.........这里部分代码省略.........