engigu
47 lines
1.1 KiB
Go
47 lines
1.1 KiB
Go
package utils
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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 Claims struct {
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UserID uint `json:"user_id"`
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Username string `json:"username"`
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jwt.RegisteredClaims
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}
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// GenerateToken 生成 JWT token
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func GenerateToken(userID uint, username string, expireDays int, secret string) (string, error) {
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claims := Claims{
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UserID: userID,
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Username: username,
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RegisteredClaims: jwt.RegisteredClaims{
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ExpiresAt: jwt.NewNumericDate(time.Now().Add(time.Duration(expireDays) * 24 * time.Hour)),
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IssuedAt: jwt.NewNumericDate(time.Now()),
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},
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}
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token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
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return token.SignedString([]byte(secret))
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}
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// ParseToken 解析 JWT token
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func ParseToken(tokenString string, secret string) (uint, string, error) {
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token, err := jwt.ParseWithClaims(tokenString, &Claims{}, func(token *jwt.Token) (any, error) {
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return []byte(secret), nil
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})
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if err != nil {
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return 0, "", err
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}
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if claims, ok := token.Claims.(*Claims); ok && token.Valid {
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return claims.UserID, claims.Username, nil
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}
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return 0, "", errors.New("invalid token")
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}
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