2023-09-08 22:22:43 +08:00

67 lines
1.8 KiB
Go

package utils
import (
"context"
"crypto/rsa"
"errors"
"fmt"
"strconv"
"time"
"github.com/golang-jwt/jwt/v5"
"github.com/xmdhs/authlib-skin/db/ent"
"github.com/xmdhs/authlib-skin/db/ent/user"
"github.com/xmdhs/authlib-skin/db/ent/usertoken"
"github.com/xmdhs/authlib-skin/model"
"github.com/xmdhs/authlib-skin/model/yggdrasil"
)
var (
ErrTokenInvalid = errors.New("token 无效")
)
func Auth(ctx context.Context, t yggdrasil.ValidateToken, client *ent.Client, pubkey *rsa.PublicKey, tmpInvalid bool) (*model.TokenClaims, error) {
token, err := jwt.ParseWithClaims(t.AccessToken, &model.TokenClaims{}, func(t *jwt.Token) (interface{}, error) {
return pubkey, nil
})
if err != nil {
return nil, fmt.Errorf("Auth: %w", errors.Join(err, ErrTokenInvalid))
}
claims, ok := token.Claims.(*model.TokenClaims)
if !ok || !token.Valid {
return nil, fmt.Errorf("Auth: %w", ErrTokenInvalid)
}
if t.ClientToken != "" && t.ClientToken != claims.CID {
return nil, fmt.Errorf("Auth: %w", ErrTokenInvalid)
}
if tmpInvalid {
it, err := claims.GetIssuedAt()
if err != nil {
return nil, fmt.Errorf("Auth: %w", errors.Join(err, ErrTokenInvalid))
}
et, err := claims.GetExpirationTime()
if err != nil {
return nil, fmt.Errorf("Auth: %w", errors.Join(err, ErrTokenInvalid))
}
invalidTime := it.Add(et.Time.Sub(it.Time) / 2)
if time.Now().After(invalidTime) {
return nil, fmt.Errorf("Auth: %w", ErrTokenInvalid)
}
}
ut, err := client.UserToken.Query().Where(usertoken.HasUserWith(user.ID(claims.UID))).First(ctx)
if err != nil {
var ne *ent.NotFoundError
if !errors.As(err, &ne) {
return nil, fmt.Errorf("Auth: %w", errors.Join(err, ErrTokenInvalid))
}
return nil, fmt.Errorf("Auth: %w", err)
}
if strconv.FormatUint(ut.TokenID, 10) != claims.Tid {
return nil, fmt.Errorf("Auth: %w", ErrTokenInvalid)
}
return claims, nil
}