✨ add jwt / complete the rotation verification

utils/jwt.go

@@ -0,0 +1,49 @@
+package utils
+
+import (
+	"github.com/golang-jwt/jwt/v5"
+	"schisandra-cloud-album/global"
+	"time"
+)
+
+type JWTPayload struct {
+	UserID   int    `json:"user_id"`
+	Role     string `json:"role"`
+	Username string `json:"username"`
+}
+
+type JWTClaims struct {
+	JWTPayload
+	jwt.RegisteredClaims
+}
+
+var MySecret = []byte(global.CONFIG.JWT.Secret)
+
+// GenerateToken generates a JWT token with the given payload
+func GenerateToken(payload JWTPayload) (string, error) {
+	claims := JWTClaims{
+		JWTPayload: payload,
+		RegisteredClaims: jwt.RegisteredClaims{
+			ExpiresAt: jwt.NewNumericDate(time.Now().Add(time.Hour * 24)),
+			IssuedAt:  jwt.NewNumericDate(time.Now()),
+			NotBefore: jwt.NewNumericDate(time.Now()),
+		},
+	}
+	token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
+	return token.SignedString(MySecret)
+}
+
+// ParseToken parses a JWT token and returns the payload
+func ParseToken(tokenString string) (*JWTPayload, error) {
+	token, err := jwt.ParseWithClaims(tokenString, &JWTClaims{}, func(token *jwt.Token) (interface{}, error) {
+		return MySecret, nil
+	})
+	if err != nil {
+		global.LOG.Error(err)
+		return nil, err
+	}
+	if claims, ok := token.Claims.(*JWTClaims); ok && token.Valid {
+		return &claims.JWTPayload, nil
+	}
+	return nil, err
+}