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golang http client form data

Restu Wahyu Saputra answered on April 11, 2023 Popularity 4/10 Helpfulness 2/10

answer golang http client form data

golang http client form data

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package main

import (
	"bytes"
	"context"
	"encoding/json"
	"fmt"
	"log"
	"net/http"
	"net/http/httputil"
	form "net/url"
	"time"
)

type HttpClientReq struct {
	Url string `json:"url"`
	Method string `json:"method"`
	DataJson interface{} `json:"dataJson,omitempty"`
	DataForm form.Values `json:"dataForm,omitempty"`
	Config struct{
		Headers map[string]string `json:"headers"`
	} `json:"config"`
}

type HttpClientRes struct {
	StatCode int `json:"stat_code"`
	StatusMessage string `json:"status_message"`
	Data interface{} `json:"data"`
}

func HttpClientNotFormData(req *HttpClientReq) (*HttpClientRes, error) {
	var res HttpClientRes = HttpClientRes{}
	var roundtrip http.RoundTripper = NewRoundTripper()
	var bodyBytes *bytes.Buffer = nil

	if req.Method != http.MethodGet && req.Method != http.MethodHead && req.Method != http.MethodOptions && req.DataJson != nil {
		body , err := json.Marshal(&req.DataJson)
		if err != nil {
			return nil, err
		}

		bodyBytes =	bytes.NewBuffer(body)
	} else {
		bodyBytes = bytes.NewBuffer(nil)
	}

	ctx, close := context.WithTimeout(context.Background(), time.Duration(time.Second * 60))
	defer close()

	httpReq, err := http.NewRequestWithContext(ctx, req.Method, req.Url, bodyBytes)
	if err != nil {
		return nil, err
	}

	if len(req.Config.Headers) > 0 {
		 for k, v := range req.Config.Headers {
		 	httpReq.Header.Set(k, v)
		 }
	}

	client := http.Client{Transport: roundtrip}
	httpRes, err := client.Do(httpReq)
	if err != nil {
		return  nil, err
	}

	if _, err := roundtrip.RoundTrip(httpReq); err != nil {
		return  nil, err
	}

	if err := json.NewDecoder(httpRes.Body).Decode(&res.Data); err != nil {
		return nil, err
	}

	res.StatCode = http.StatusOK
	res.StatusMessage = "HttpClient success"

	return &res, nil
}

func HttpClientFormData(req *HttpClientReq) (*HttpClientRes, error) {
	var res HttpClientRes = HttpClientRes{}
	var roundtrip http.RoundTripper = NewRoundTripper()

	ctx, close := context.WithTimeout(context.Background(), time.Duration(time.Second * 60))
	defer close()

	httpReq, err := http.NewRequestWithContext(ctx, req.Method, req.Url, bytes.NewBuffer([]byte(req.DataForm.Encode())))
	if err != nil {
		return nil, err
	}

	req.Config.Headers["Content-Type"] = "application/x-www-form-urlencoded"

	if len(req.Config.Headers) > 0 {
		 for k, v := range req.Config.Headers {
		 	httpReq.Header.Set(k, v)
		 }
	}

	client := http.Client{Transport: roundtrip}
	httpRes, err := client.Do(httpReq)
	if err != nil {
		return  nil, err
	}

	if _, err := roundtrip.RoundTrip(httpReq); err != nil {
		return  nil, err
	}

	if err := json.NewDecoder(httpRes.Body).Decode(&res.Data); err != nil {
		return nil, err
	}

	res.StatCode = http.StatusOK
	res.StatusMessage = "HttpClient success"

	return &res, nil
}

type InterfaceRoundTripper interface {
	RoundTrip(req *http.Request) (*http.Response, error)
	httpRequestDump(req *http.Request)
	httpResponseDump(res *http.Response)
}

type StructRoundTripper struct {}

func NewRoundTripper() InterfaceRoundTripper {
	return &StructRoundTripper{}
}

func (h *StructRoundTripper) RoundTrip(req *http.Request)  (*http.Response, error) {
	res, err :=  http.DefaultTransport.RoundTrip(req)

	h.httpRequestDump(req)
	h.httpResponseDump(res)

	return res, err
}

func (h *StructRoundTripper) httpRequestDump(req *http.Request) {
	dumpReq , err := httputil.DumpRequest(req, true)
	if err != nil {
		log.Println(err.Error())
		return
	}

  fmt.Println("=============== START DUMP HTTP REQUEST ================")
	fmt.Printf("\n")
	fmt.Println(string(dumpReq))
	fmt.Printf("\n")
	fmt.Println("=============== END DUMP HTTP REQUEST =================")
	fmt.Printf("\n")
}

func (h *StructRoundTripper) httpResponseDump(res *http.Response) {
	dumpRes , err := httputil.DumpResponse(res, true)
	if err != nil {
		log.Println(err.Error())
		return
	}

  fmt.Println("=============== START DUMP HTTP RESPONSE ================")
	fmt.Printf("\n")
	fmt.Println(string(dumpRes))
	fmt.Printf("\n")
	fmt.Println("=============== END DUMP HTTP RESPONSE =================")
	fmt.Printf("\n")
}

Popularity 4/10 Helpfulness 2/10 Language go

Source: Grepper

Tags: client form-data go http

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Contributed on Apr 11 2023

Restu Wahyu Saputra

0 Answers Avg Quality 2/10

golang http client form data

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