kauth/config.go


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34


package kauth

import (
	"encoding/hex"
	"errors"
	"os"

	"github.com/martinlehoux/kagamigo/kcore"
	"golang.org/x/exp/slog"
)

var (
	ErrCookieBadLength = errors.New("cookie secret must be 32 bytes")
)

type AuthConfig struct {
	Domain       string
	CookieSecret []byte
}

func LoadCookieSecret(cookieSecretString string) []byte {
	cookiesSecret, err := hex.DecodeString(cookieSecretString)
	if err != nil {
		err = kcore.Wrap(err, "error decoding cookie secret")
		slog.Error(err.Error())
		os.Exit(1)
	}
	if len(cookiesSecret) != 32 {
		slog.Error(ErrCookieBadLength.Error())
		os.Exit(1)
	}
	slog.Info("cookie secret loaded")
	return cookiesSecret
}