client.js

const unirest = require('unirest')
headers = {
	'Accept': 'application/x-thrift',
	'Content-Type': 'application/x-thrift',
	'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3683.86 Safari/537.36',
	'X-Line-Application': 'ANDROIDLITE\t8.2.4\tAndroid\tOS\t6.0',
	'X-LE': "18",
	'X-LST': 1e3 * 1,
	'X-LAL': "en",
	'X-LHM': 'POST',
	'X-LCS': "0005fF9u99g+fCJaX0CiyHrj+/nhwDV2k72si+qxjA9ZNcR/zlgE4W1i1DQL3/zhNBC4UDFlwGz5K+TN9iB0L3AhBJ8+FA9OrY9P/4CHtkrqvJmubO37mXmlXnNCyYk2vbb864it3sxbcl5B1HahIh9SkfHgZUvKek6hcobn/c3+GG033xuYvjBt/DzgfrkPcj4Gu3SFxKSGppTobvtkT/YZocTz+U9Hm0DalRsQr1DadjreZgUdSBlAv2DLd59SqEbsx8fIXIvkHZ8s/84ujTEIeA6t9mv2YA0GFobqejP0PSlNvlW5rN+EN/XVdfbF9YKyNxJIzjjFkPpy/F/1D3T13A==",
}
unirest
	.post("https://gf.line.naver.jp/enc")
	.encoding("latin1")
	.headers(headers)
	.send(Buffer.from([106, 204, 139, 83, 126, 106, 65, 96, 38, 202, 93, 211, 200, 152, 32, 20, 244, 204, 205, 230, 148, 131, 53, 220, 206, 144, 100, 11, 173, 82, 161, 230, 225, 166, 91, 215, 34, 78, 211, 88, 149, 111, 42, 6, 176, 239, 98, 100, 77, 158, 167, 94, 114, 197, 173, 160, 21, 2, 152, 212, 186, 134, 35, 166, 20, 95, 128, 59, 230, 149, 82, 59, 234, 80, 0, 241, 165, 53, 90, 231, 34, 163, 145, 90, 175, 184, 201, 133, 21, 138, 158, 73, 244, 181, 48, 49, 20, 237, 54, 122, 159, 94, 5, 62, 239, 221, 100, 234, 110, 106, 250, 188, 80, 209, 119, 255, 68, 227, 207, 17, 84, 13, 210, 1, 37, 67, 2, 13, 65, 1, 44, 155, 218, 247, 157, 190, 168, 111, 89, 182, 40, 105, 189, 90, 193, 67, 251, 218]))
	.end(function(r){
		console.log("raw response w/o decrypt:", JSON.stringify((Buffer.from(r.body, 'latin1'))))
		console.log("status code:", r.status, r.code)
		console.log("response header:", r.headers)
	})

http_client.go

package http
import (
	"io"
	"net/http"
	"io/ioutil"
)

const (
	GET = "GET"
	POST = "POST"
	PUT = "PUT"
	DELETE = "DELET"
)

type OBSHttpClient struct {
	url			string
	headers		map[string]string
	body		io.Reader
	client 		*http.Client
	req 		*http.Request
}
type Options struct {
	Url 		string
	Headers 	map[string]string
	Body 		io.Reader
}

func NewOBSHttpClient(opt Options) *OBSHttpClient {
	o := &OBSHttpClient{
		url: opt.Url,
		headers: opt.Headers,
		body: opt.Body,
		client: &http.Client{},
	}
	return o
}

type ResponseReader struct {
	Response 	*http.Response
}
func (self *ResponseReader) Content() (body []byte, err error) {
	defer self.Response.Body.Close()
	body, err = ioutil.ReadAll(self.Response.Body)
	return
}
func (self *ResponseReader) Text() (body string, err error) {
	t, err := self.Content()
	body = string(t)
	return
}


func (self *OBSHttpClient) New() (*OBSHttpClient) {
	self.client = &http.Client{}
	return self
}
func (self *OBSHttpClient) setupHeaders() {
	for k, v := range self.headers {
		self.req.Header.Add(k, v)
	}
}
func (self *OBSHttpClient) Get() (*OBSHttpClient) {
	self.req, _ = http.NewRequest(GET, self.url, self.body)
	self.setupHeaders()
	return self
}
func (self *OBSHttpClient) Post() (*OBSHttpClient) {
	self.req, _ = http.NewRequest(POST, self.url, self.body)
	self.setupHeaders()
	return self
}
func (self *OBSHttpClient) Put() (*OBSHttpClient) {
	self.req, _ = http.NewRequest(PUT, self.url, self.body)
	self.setupHeaders()
	return self
}
func (self *OBSHttpClient) Delete() (*OBSHttpClient) {
	self.req, _ = http.NewRequest(DELETE, self.url, self.body)
	self.setupHeaders()
	return self
}

func (self *OBSHttpClient) Exec() (r *ResponseReader, e error) {
	o, e := self.client.Do(self.req)
	r = &ResponseReader{o}
	return
}

main.go

package main
import (
  "../http"
  "bytes"
)
func main() {
	cl := http.NewOBSHttpClient(http.Options{
		Url: "https://gfs.line.naver.jp/enc",
		Headers: map[string]string{
			"content-type": "application/x-thrift",
			"accept": "application/x-thrift; charset=latin1",
			"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3683.86 Safari/537.36",
			"x-line-application": "ANDROIDLITE\t8.2.4\tAndroid\tOS\t6.0",
			"x-le": "18",
			"x-lst": "1000",
			"x-lal": "en",
			"x-lcs": "0005fF9u99g+fCJaX0CiyHrj+/nhwDV2k72si+qxjA9ZNcR/zlgE4W1i1DQL3/zhNBC4UDFlwGz5K+TN9iB0L3AhBJ8+FA9OrY9P/4CHtkrqvJmubO37mXmlXnNCyYk2vbb864it3sxbcl5B1HahIh9SkfHgZUvKek6hcobn/c3+GG033xuYvjBt/DzgfrkPcj4Gu3SFxKSGppTobvtkT/YZocTz+U9Hm0DalRsQr1DadjreZgUdSBlAv2DLd59SqEbsx8fIXIvkHZ8s/84ujTEIeA6t9mv2YA0GFobqejP0PSlNvlW5rN+EN/XVdfbF9YKyNxJIzjjFkPpy/F/1D3T13A==",
			"x-lhm": "POST",
		},
		Body: bytes.NewReader([]byte{106, 204, 139, 83, 126, 106, 65, 96, 38, 202, 93, 211, 200, 152, 32, 20, 244, 204, 205, 230, 148, 131, 53, 220, 206, 144, 100, 11, 173, 82, 161, 230, 225, 166, 91, 215, 34, 78, 211, 88, 149, 111, 42, 6, 176, 239, 98, 100, 77, 158, 167, 94, 114, 197, 173, 160, 21, 2, 152, 212, 186, 134, 35, 166, 20, 95, 128, 59, 230, 149, 82, 59, 234, 80, 0, 241, 165, 53, 90, 231, 34, 163, 145, 90, 175, 184, 201, 133, 21, 138, 158, 73, 244, 181, 48, 49, 20, 237, 54, 122, 159, 94, 5, 62, 239, 221, 100, 234, 110, 106, 250, 188, 80, 209, 119, 255, 68, 227, 207, 17, 84, 13, 210, 1, 37, 67, 2, 13, 65, 1, 44, 155, 218, 247, 157, 190, 168, 111, 89, 182, 40, 105, 189, 90, 193, 67, 251, 218}),
	})
	r, e := cl.Post().Exec()
	if e != nil {
		panic(e)
	}
	fmt.Printf("%#+v\n", r.Response.StatusCode)
	fmt.Printf("%#+v\n", r.Response.Proto)
	fmt.Printf("%#+v\n", r.Response.Header)
	cp, _ := r.Content()
	fmt.Println("resp: ", cp)
}

Golang response: [1, 138, 85, 127, 229, 133, 219, 167, 11, 33, 236, 243, 64, 40, 38, 87, 21, 106, 138, 133, 123, 248, 47, 3, 142, 241, 185, 181, 84, 224, 210, 106, 9, 115, 251, 134, 72, 57, 201, 193, 181, 148, 130, 55, 195, 114, 96, 225, 182, 219, 199, 18, 58, 11, 54, 115, 152, 236, 51, 132, 83, 20, 194, 55, 247, 168, 42, 226, 185, 91, 35, 224, 155, 226, 234, 170, 178, 112, 40, 62, 103, 228, 174, 222, 83, 119, 248, 69, 190]

Nodejs response: [1,138,85,127,229,133,219,167,11,33,236,243,64,40,38,87,21,106,138,133,123,248,47,3,142,241,185,181,84,224,210,106,9,115,251,134,72,57,201,193,181,148,130,55,195,114,96,225,182,219,199,18,58,11,54,115,152,236,51,132,83,20,194,55,247,168,42,226,185,91,35,224,155,226,234,170,178,112,40,62,103,228,174,222,83,119,248,69,190,54,39,91,233,140,239,160,195,158,211,0]

54, 39, 91, 233, 140, 239, 160, 195, 158, 211, 0
is missing from the golang's response body

golang/go#32728