feat: 部署初版测试

server/internal/middleware/jwt.go

@@ -0,0 +1,65 @@
+package middleware
+
+import (
+	"context"
+	"net/http"
+	"os"
+	"strings"
+
+	"github.com/golang-jwt/jwt/v5"
+)
+
+type contextKey string
+
+const UserIDKey contextKey = "userID"
+
+func JWTAuth(next http.Handler) http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		authHeader := r.Header.Get("Authorization")
+		if authHeader == "" {
+			http.Error(w, `{"code":401, "message":"Unauthorized: missing token"}`, http.StatusUnauthorized)
+			return
+		}
+
+		parts := strings.Split(authHeader, " ")
+		if len(parts) != 2 || parts[0] != "Bearer" {
+			http.Error(w, `{"code":401, "message":"Unauthorized: invalid token format"}`, http.StatusUnauthorized)
+			return
+		}
+
+		tokenString := parts[1]
+		secret := os.Getenv("JWT_SECRET")
+
+		token, err := jwt.Parse(tokenString, func(t *jwt.Token) (interface{}, error) {
+			if _, ok := t.Method.(*jwt.SigningMethodHMAC); !ok {
+				return nil, jwt.ErrSignatureInvalid
+			}
+			return []byte(secret), nil
+		})
+
+		if err != nil || !token.Valid {
+			http.Error(w, `{"code":401, "message":"Unauthorized: invalid or expired token"}`, http.StatusUnauthorized)
+			return
+		}
+
+		claims, ok := token.Claims.(jwt.MapClaims)
+		if !ok {
+			http.Error(w, `{"code":401, "message":"Unauthorized: invalid token claims"}`, http.StatusUnauthorized)
+			return
+		}
+
+		userID, ok := claims["sub"].(string)
+		if !ok || userID == "" {
+			// fallback check inside user_id or id if sub doesn't exist
+			userID, _ = claims["user_id"].(string)
+		}
+
+		if userID == "" {
+			http.Error(w, `{"code":401, "message":"Unauthorized: user ID not found in token"}`, http.StatusUnauthorized)
+			return
+		}
+
+		ctx := context.WithValue(r.Context(), UserIDKey, userID)
+		next.ServeHTTP(w, r.WithContext(ctx))
+	})
+}