config.go

package main

import (
	"context"
	"fmt"
	"strings"

	voucher "github.com/grafeas/voucher/v2"
	"github.com/grafeas/voucher/v2/client"
)

type config struct {
	Server   string
	Username string
	Password string
	Timeout  int
	Check    string
	Auth     string
}

var defaultConfig = &config{}

func getCheck() string {
	return defaultConfig.Check
}

func getVoucherClient(ctx context.Context) (voucher.Interface, error) {
	options := []client.Option{
		client.WithUserAgent(fmt.Sprintf("voucher-client/%s", version)),
	}
	switch strings.ToLower(defaultConfig.Auth) {
	case "basic":
		options = append(options, client.WithBasicAuth(defaultConfig.Username, defaultConfig.Password))
	case "idtoken":
		options = append(options, client.WithIDTokenAuth())
	case "default-access-token":
		options = append(options, client.WithDefaultIDTokenAuth())
	default:
		return nil, fmt.Errorf("invalid auth value: %q", defaultConfig.Auth)
	}
	return client.NewClientContext(ctx, defaultConfig.Server, options...)
}