48 lines
1.4 KiB
Go
48 lines
1.4 KiB
Go
package security
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import (
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"errors"
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"time"
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"github.com/golang-jwt/jwt/v5"
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)
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type WebClaims struct {
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UserID string `json:"user_id"`
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UID string `json:"uid"`
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Username string `json:"username"`
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SessionVersion int64 `json:"session_version"`
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TokenType string `json:"token_type"`
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jwt.RegisteredClaims
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}
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type WebTokenService struct {
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Secret []byte
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AccessTTL time.Duration
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}
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func (s WebTokenService) NewAccessToken(userID, uid, username string, sessionVersion int64) (string, time.Time, error) {
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now := time.Now()
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expires := now.Add(s.AccessTTL)
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claims := WebClaims{
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UserID: userID, UID: uid, Username: username, SessionVersion: sessionVersion, TokenType: "web_access",
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RegisteredClaims: jwt.RegisteredClaims{Subject: userID, IssuedAt: jwt.NewNumericDate(now), ExpiresAt: jwt.NewNumericDate(expires)},
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}
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token, err := jwt.NewWithClaims(jwt.SigningMethodHS256, claims).SignedString(s.Secret)
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return token, expires, err
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}
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func (s WebTokenService) ParseAccessToken(raw string) (*WebClaims, error) {
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claims := new(WebClaims)
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token, err := jwt.ParseWithClaims(raw, claims, func(token *jwt.Token) (any, error) {
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if token.Method != jwt.SigningMethodHS256 {
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return nil, errors.New("不支持的签名算法")
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}
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return s.Secret, nil
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})
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if err != nil || !token.Valid || claims.TokenType != "web_access" {
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return nil, errors.New("登录凭证无效或已过期")
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}
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return claims, nil
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}
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