Go (`golang` 1.22+) High-Concurrency Cloud Worker Client

package davinci

import (
	"bytes"
	"crypto/hmac"
	"crypto/sha256"
	"encoding/hex"
	"io"
	"mime/multipart"
	"net/http"
	"os"
	"path/filepath"
)

func SubmitVirginBin(apiKey, filePath, brand, family, services string) ([]byte, error) {
	f, err := os.Open(filePath)
	if err != nil { return nil, err }
	defer f.Close()

	var body bytes.Buffer
	w := multipart.NewWriter(&body)
	part, err := w.CreateFormFile("file", filepath.Base(filePath))
	if err != nil { return nil, err }
	if _, err = io.Copy(part, f); err != nil { return nil, err }
	_ = w.WriteField("ecu_brand", brand)
	_ = w.WriteField("ecu_family", family)
	_ = w.WriteField("services", services)
	_ = w.Close()

	req, _ := http.NewRequest("POST", "https://www.davincideluxe.fr/api/v1/cloud/jobs", &body)
	req.Header.Set("Authorization", "Bearer "+apiKey)
	req.Header.Set("Content-Type", w.FormDataContentType())
	resp, err := http.DefaultClient.Do(req)
	if err != nil { return nil, err }
	defer resp.Body.Close()
	return io.ReadAll(resp.Body)
}

func VerifyWebhook(raw []byte, sigHeader, secret string) bool {
	mac := hmac.New(sha256.New, []byte(secret))
	mac.Write(raw)
	expected := "sha256=" + hex.EncodeToString(mac.Sum(nil))
	return hmac.Equal([]byte(expected), []byte(sigHeader))
}