Paseto scratch

main.go

import (
	"fmt"
	"time"

	paseto "github.com/o1egl/paseto/v2"
)

func main() {
	key := []byte("YELLOW SUBMARINE, BLACK WIZARDRY")

	claims := paseto.JSONToken{
		Audience:   "test",
		IssuedAt:   time.Now(),
		Expiration: time.Now().Add(10 * time.Second),
	}

	fmt.Println(claims)

	token, err := paseto.Encrypt(key, claims, nil)

	fmt.Println(token)

	var decrypted paseto.JSONToken

	err = paseto.Decrypt(token, key, &decrypted, nil)

	fmt.Println("decrypted", err, decrypted)

	err = decrypted.Validate(paseto.ForAudience("test"),
		paseto.ValidAt(time.Now()))

	fmt.Println("validated", err)

	err = decrypted.Validate(paseto.ForAudience("test2"),
		paseto.ValidAt(time.Now()))

	fmt.Println("validated wrong audience", err)

	err = decrypted.Validate(paseto.ForAudience("test"),
		paseto.ValidAt(time.Now().Add(30*time.Second)))

	fmt.Println("validated expired", err)

	err = decrypted.Validate(paseto.ForAudience("test2"),
		paseto.ValidAt(time.Now().Add(30*time.Second)))

	fmt.Println("validated expired/wrong audience", err)
}

$ go run main.go
{test    2020-07-06 13:08:51.721898 +1000 AEST m=+10.000284824 2020-07-06 13:08:41.721897 +1000 AEST m=+0.000283411 0001-01-01 00:00:00 +0000 UTC map[]}
v2.local.Vnryy5FszZMab-tpJUj2qrBxhDKYGAgW1z4JB-x1Sz5xFvYNFUzb1CIfjNML198wN_CzklWS-35CoKLl-c86b5CKH1Osrsa-JXe5aHCNtk8DRTgFjOkmSMDkrLfKTHSkQ8xpnt1zFPU5j4V4puRCtyCRQM_SQqjgdlA.bnVsbA
decrypted <nil> {test    2020-07-06 13:08:51 +1000 AEST 2020-07-06 13:08:41 +1000 AEST 0001-01-01 00:00:00 +0000 UTC map[aud:test exp:2020-07-06T13:08:51+10:00 iat:2020-07-06T13:08:41+10:00]}
validated <nil>
validated wrong audience token was not intended for "test2" audience: token validation error
validated expired token has expired: token validation error
validated expired/wrong audience token was not intended for "test2" audience: token validation error