/
instance.go
78 lines (68 loc) · 1.64 KB
/
instance.go
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package auth
import (
"errors"
"fmt"
"time"
"github.com/golang-jwt/jwt/v5"
)
type Builder[
S SigningKey,
V VerifyKey,
M SigningMethod,
T Alg[S, V, M],
] struct {
manager *TokenManager[S, V, M, T]
}
// InstanceBuilder returns a Builder instance.
func InstanceBuilder[
S SigningKey,
V VerifyKey,
M SigningMethod,
T Alg[S, V, M],
](alg T) *Builder[S, V, M, T] {
return &Builder[S, V, M, T]{
manager: &TokenManager[S, V, M, T]{
alg: alg,
timeout: time.Minute * 5,
refreshTimeout: time.Hour * 24 * 7,
},
}
}
// SetTimeout sets the timeout for the Instance.
func (b *Builder[S, V, M, T]) SetTimeout(timeout time.Duration) *Builder[S, V, M, T] {
b.manager.timeout = timeout
return b
}
// SetRefreshTimeout sets the refresh timeout for the Instance.
func (b *Builder[S, V, M, T]) SetRefreshTimeout(timeout time.Duration) *Builder[S, V, M, T] {
b.manager.refreshTimeout = timeout
return b
}
func (b *Builder[S, V, M, T]) Build() *Instance {
return &Instance{
ITokenManager: b.manager,
}
}
type Instance struct {
ITokenManager
}
// Sign returns a signed jwt string.
func (e *Instance) Sign(uid string) (token string, err error) {
return e.SignWithClaims(uid, nil)
}
// CheckToken accept a jwt token and returns the uid in token.
func (e *Instance) CheckToken(token string) (userID string, err error) {
t, err := e.ParseToken(token)
if err != nil {
return "", fmt.Errorf("parse token: %w", err)
}
claims, ok := t.Claims.(jwt.MapClaims)
if !ok || !t.Valid {
return "", errors.New("unexpected token")
}
_uid, ok := claims["uid"].(string)
if !ok {
return "", errors.New("not available uid")
}
return _uid, nil
}