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[Golang] HTTP Request With Cookies

 2 years ago
source link: http://siongui.github.io/2018/03/03/go-http-request-with-cookie/
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[Golang] HTTP Request With Cookies

March 03, 2018

Example of sending HTTP request with cookies via Go standard net/http package.

package main

import (
      "errors"
      "io/ioutil"
      "net/http"
      "strconv"
)

func HTTPwithCookies(url, ds_user_id, sessionid, csrftoken string) (b []byte, err error) {
      req, err := http.NewRequest("GET", url, nil)
      if err != nil {
              return
      }

      req.AddCookie(&http.Cookie{Name: "ds_user_id", Value: ds_user_id})
      req.AddCookie(&http.Cookie{Name: "sessionid", Value: sessionid})
      req.AddCookie(&http.Cookie{Name: "csrftoken", Value: csrftoken})

      client := &http.Client{}
      resp, err := client.Do(req)
      if err != nil {
              return
      }
      defer resp.Body.Close()

      if resp.StatusCode != 200 {
              err = errors.New(url +
                      "\nresp.StatusCode: " + strconv.Itoa(resp.StatusCode))
              return
      }

      return ioutil.ReadAll(resp.Body)
}

func main() {
      b, err := HTTPwithCookies("https://www.instagram.com/", "my_id", "my_sessionid", "my_csrftoken")
      if err != nil {
              panic(err)
      }
      println(string(b))
}

If you want to know how to send HTTP request with headers, for example, User-Agent header, please see [1].

Tested on: Ubuntu Linux 17.10, Go 1.10.

References:

[2]soup - Web Scraper for Go with a similar interface to BeautifulSoup : golang

[3]Context propagation over HTTP in Go – JBD – Medium : golang

[4]GitHub - arrufat/papago: Unofficial wrapper around the Naver translating tool, Papago : golang


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