POST Start provider authorization

curl --proto "=https" --tlsv1.2 --fail-with-body --max-time 60 --request POST --header @"$HOME/.config/metribeacon/headers.txt" --header "Content-Type: application/json" --data-binary @"$HOME/.config/metribeacon/request.json" 'https://metribeacon.com/api/v1/logs/oauth/start'

import json
from pathlib import Path
from urllib.request import Request, urlopen
base=Path.home()/".config/metribeacon"
headers=json.loads((base/"headers.json").read_text())
headers["Content-Type"]="application/json"
request=Request('https://metribeacon.com/api/v1/logs/oauth/start',headers=headers,method='POST',data=(base/"request.json").read_bytes())
with urlopen(request,timeout=60) as response:
    print(response.status)

import {readFile} from "node:fs/promises";
import {homedir} from "node:os";
const base=homedir()+"/.config/metribeacon/";
const headers=JSON.parse(await readFile(base+"headers.json","utf8"));
headers["Content-Type"]="application/json";
const response=await fetch("https://metribeacon.com/api/v1/logs/oauth/start",{method:"POST",headers,redirect:"error",signal:AbortSignal.timeout(60000),body:await readFile(base+"request.json")});
console.log(response.status);await response.body?.cancel();

package main
import("bytes";"encoding/json";"fmt";"net/http";"os";"path/filepath";"time")
func main(){home,_:=os.UserHomeDir();base:=filepath.Join(home,".config/metribeacon");raw,e:=os.ReadFile(filepath.Join(base,"headers.json"));if e!=nil{panic("headers unavailable")};var headers map[string]string;if json.Unmarshal(raw,&headers)!=nil{panic("invalid headers")};var body []byte;body,e=os.ReadFile(filepath.Join(base,"request.json"));if e!=nil{panic("request unavailable")};request,e:=http.NewRequest("POST","https://metribeacon.com/api/v1/logs/oauth/start",bytes.NewReader(body));if e!=nil{panic("request failed")};for k,v:=range headers{request.Header.Set(k,v)};request.Header.Set("Content-Type","application/json");client:=&http.Client{Timeout:60*time.Second,CheckRedirect:func(*http.Request,[]*http.Request)error{return http.ErrUseLastResponse}};response,e:=client.Do(request);if e!=nil{panic("request failed")};defer response.Body.Close();fmt.Println(response.StatusCode)}