QWQLwToo
53 lines
1.2 KiB
Go
53 lines
1.2 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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var jwtSecret = []byte("your-secret-key-change-in-production") // 生产环境应该使用环境变量
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// Claims JWT 声明
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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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IsAdmin bool `json:"is_admin"`
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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, isAdmin bool) (string, error) {
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claims := Claims{
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UserID: userID,
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Username: username,
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IsAdmin: isAdmin,
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RegisteredClaims: jwt.RegisteredClaims{
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ExpiresAt: jwt.NewNumericDate(time.Now().Add(24 * time.Hour)),
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IssuedAt: jwt.NewNumericDate(time.Now()),
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NotBefore: 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(jwtSecret)
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}
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// ParseToken 解析 JWT Token
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func ParseToken(tokenString string) (*Claims, error) {
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token, err := jwt.ParseWithClaims(tokenString, &Claims{}, func(token *jwt.Token) (interface{}, error) {
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return jwtSecret, nil
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})
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if err != nil {
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return nil, err
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}
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if claims, ok := token.Claims.(*Claims); ok && token.Valid {
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return claims, nil
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}
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return nil, errors.New("无效的 token")
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}
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