初始化

server/utils/jwt.go

@@ -0,0 +1,50 @@
+package utils
+
+import (
+	"errors"
+	"time"
+
+	"github.com/golang-jwt/jwt/v5"
+)
+
+// JWTClaims 自定义JWT声明
+type JWTClaims struct {
+	UserID   uint64 `json:"user_id"`
+	Username string `json:"username"`
+	Role     string `json:"role"`
+	jwt.RegisteredClaims
+}
+
+// GenerateToken 生成JWT Token
+// userID: 用户ID, username: 用户名, role: 角色, secret: 密钥, expirationHours: 过期时间(小时)
+func GenerateToken(userID uint64, username, role, secret string, expirationHours int) (string, error) {
+	claims := JWTClaims{
+		UserID:   userID,
+		Username: username,
+		Role:     role,
+		RegisteredClaims: jwt.RegisteredClaims{
+			ExpiresAt: jwt.NewNumericDate(time.Now().Add(time.Duration(expirationHours) * time.Hour)),
+			IssuedAt:  jwt.NewNumericDate(time.Now()),
+			Issuer:    "seeyon-filesystem",
+		},
+	}
+
+	token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
+	return token.SignedString([]byte(secret))
+}
+
+// ParseToken 解析JWT Token
+func ParseToken(tokenString, secret string) (*JWTClaims, error) {
+	token, err := jwt.ParseWithClaims(tokenString, &JWTClaims{}, func(token *jwt.Token) (interface{}, error) {
+		return []byte(secret), nil
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	if claims, ok := token.Claims.(*JWTClaims); ok && token.Valid {
+		return claims, nil
+	}
+
+	return nil, errors.New("invalid token")
+}