项目初始化

internal/auth/jwt.go

@@ -0,0 +1,42 @@
+package auth
+
+import (
+	"FileRelay/internal/config"
+	"time"
+
+	"github.com/golang-jwt/jwt/v5"
+)
+
+type Claims struct {
+	AdminID uint `json:"admin_id"`
+	jwt.RegisteredClaims
+}
+
+func GenerateToken(adminID uint) (string, error) {
+	claims := Claims{
+		AdminID: adminID,
+		RegisteredClaims: jwt.RegisteredClaims{
+			ExpiresAt: jwt.NewNumericDate(time.Now().Add(24 * time.Hour)),
+			IssuedAt:  jwt.NewNumericDate(time.Now()),
+		},
+	}
+
+	token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
+	return token.SignedString([]byte(config.GlobalConfig.Security.JWTSecret))
+}
+
+func ParseToken(tokenString string) (*Claims, error) {
+	token, err := jwt.ParseWithClaims(tokenString, &Claims{}, func(token *jwt.Token) (interface{}, error) {
+		return []byte(config.GlobalConfig.Security.JWTSecret), nil
+	})
+
+	if err != nil {
+		return nil, err
+	}
+
+	if claims, ok := token.Claims.(*Claims); ok && token.Valid {
+		return claims, nil
+	}
+
+	return nil, jwt.ErrSignatureInvalid
+}