初始化v1

utility/jwt/jwt.go

@@ -0,0 +1,73 @@
+package jwt
+
+import (
+	"time"
+
+	"github.com/golang-jwt/jwt/v5"
+	"github.com/gogf/gf/v2/frame/g"
+	"github.com/gogf/gf/v2/os/gctx"
+)
+
+// Claims JWT载荷
+type Claims struct {
+	UserID   uint   `json:"user_id"`
+	Username string `json:"username"`
+	UserType string `json:"user_type"` // user, admin
+	jwt.RegisteredClaims
+}
+
+// GenerateToken 生成Token
+func GenerateToken(userID uint, username, userType string) (string, error) {
+	var (
+		ctx        = gctx.New()
+		signingKey = g.Cfg().MustGet(ctx, "jwt.signingKey").String()
+		expire     = g.Cfg().MustGet(ctx, "jwt.expire").Int()
+	)
+
+	claims := Claims{
+		UserID:   userID,
+		Username: username,
+		UserType: userType,
+		RegisteredClaims: jwt.RegisteredClaims{
+			ExpiresAt: jwt.NewNumericDate(time.Now().Add(time.Duration(expire) * time.Second)),
+			IssuedAt:  jwt.NewNumericDate(time.Now()),
+			NotBefore: jwt.NewNumericDate(time.Now()),
+		},
+	}
+
+	token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
+	return token.SignedString([]byte(signingKey))
+}
+
+// ParseToken 解析Token
+func ParseToken(tokenString string) (*Claims, error) {
+	var (
+		ctx        = gctx.New()
+		signingKey = g.Cfg().MustGet(ctx, "jwt.signingKey").String()
+	)
+
+	token, err := jwt.ParseWithClaims(tokenString, &Claims{}, func(token *jwt.Token) (interface{}, error) {
+		return []byte(signingKey), nil
+	})
+
+	if err != nil {
+		return nil, err
+	}
+
+	if claims, ok := token.Claims.(*Claims); ok && token.Valid {
+		return claims, nil
+	}
+
+	return nil, jwt.ErrSignatureInvalid
+}
+
+// RefreshToken 刷新Token
+func RefreshToken(tokenString string) (string, error) {
+	claims, err := ParseToken(tokenString)
+	if err != nil {
+		return "", err
+	}
+
+	// 生成新的Token
+	return GenerateToken(claims.UserID, claims.Username, claims.UserType)
+}