66 lines
1.5 KiB
Go
66 lines
1.5 KiB
Go
package models
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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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// JWT密钥
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var jwtSecret = []byte("yunzer_jwt_secret_key") // 在实际应用中应从配置文件读取
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// Claims 定义JWT的claims结构
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type Claims struct {
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UserID int `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 int, username string) (string, error) {
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// 设置token过期时间
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expirationTime := time.Now().Add(24 * time.Hour) // 24小时后过期
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// 创建claims
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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(expirationTime),
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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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// 创建token对象，指定签名算法和claims
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token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
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// 生成签名并获取完整的编码后的字符串token
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tokenString, err := token.SignedString(jwtSecret)
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return tokenString, err
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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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// 解析token
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claims := &Claims{}
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token, err := jwt.ParseWithClaims(tokenString, claims, func(token *jwt.Token) (interface{}, error) {
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// 验证签名算法
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if _, ok := token.Method.(*jwt.SigningMethodHMAC); !ok {
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return nil, errors.New("unexpected signing method")
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}
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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 !token.Valid {
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return nil, errors.New("invalid token")
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}
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return claims, nil
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} |