82 lines
2.2 KiB
Go
82 lines
2.2 KiB
Go
package utils
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import (
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"context"
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"crypto/rsa"
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"errors"
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"fmt"
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"strconv"
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"time"
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"github.com/golang-jwt/jwt/v5"
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"github.com/xmdhs/authlib-skin/db/cache"
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"github.com/xmdhs/authlib-skin/db/ent"
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"github.com/xmdhs/authlib-skin/db/ent/user"
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"github.com/xmdhs/authlib-skin/db/ent/usertoken"
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"github.com/xmdhs/authlib-skin/model"
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"github.com/xmdhs/authlib-skin/model/yggdrasil"
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)
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var (
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ErrTokenInvalid = errors.New("token 无效")
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)
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func Auth(ctx context.Context, t yggdrasil.ValidateToken, client *ent.Client, c cache.Cache, pubkey *rsa.PublicKey, tmpInvalid bool) (*model.TokenClaims, error) {
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token, err := jwt.ParseWithClaims(t.AccessToken, &model.TokenClaims{}, func(t *jwt.Token) (interface{}, error) {
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return pubkey, nil
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})
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if err != nil {
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return nil, fmt.Errorf("Auth: %w", errors.Join(err, ErrTokenInvalid))
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}
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claims, ok := token.Claims.(*model.TokenClaims)
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if !ok || !token.Valid {
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return nil, fmt.Errorf("Auth: %w", ErrTokenInvalid)
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}
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if t.ClientToken != "" && t.ClientToken != claims.CID {
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return nil, fmt.Errorf("Auth: %w", ErrTokenInvalid)
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}
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if tmpInvalid {
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it, err := claims.GetIssuedAt()
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if err != nil {
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return nil, fmt.Errorf("Auth: %w", errors.Join(err, ErrTokenInvalid))
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}
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et, err := claims.GetExpirationTime()
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if err != nil {
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return nil, fmt.Errorf("Auth: %w", errors.Join(err, ErrTokenInvalid))
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}
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invalidTime := it.Add(et.Time.Sub(it.Time) / 2)
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if time.Now().After(invalidTime) {
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return nil, fmt.Errorf("Auth: %w", ErrTokenInvalid)
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}
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}
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tokenID, err := func() (uint64, error) {
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c := cache.CacheHelp[uint64]{Cache: c}
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key := []byte("auth" + strconv.Itoa(claims.UID))
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t, err := c.Get(key)
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if err != nil {
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return 0, err
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}
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if t != 0 {
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return t, nil
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}
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ut, err := client.UserToken.Query().Where(usertoken.HasUserWith(user.ID(claims.UID))).First(ctx)
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if err != nil {
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var ne *ent.NotFoundError
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if !errors.As(err, &ne) {
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return 0, errors.Join(err, ErrTokenInvalid)
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}
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return 0, err
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}
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return ut.TokenID, c.Put(key, ut.TokenID, time.Now().Add(20*time.Minute))
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}()
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if err != nil {
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return nil, fmt.Errorf("Auth: %w", err)
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}
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if strconv.FormatUint(tokenID, 10) != claims.Tid {
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return nil, fmt.Errorf("Auth: %w", ErrTokenInvalid)
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}
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return claims, nil
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}
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