🏗️ microservice fabric splitting

common/middleware/nonce_middleware.go

@@ -0,0 +1,32 @@
+package middleware
+
+import (
+	"github.com/redis/go-redis/v9"
+	"net/http"
+	"schisandra-album-cloud-microservices/common/constant"
+	"schisandra-album-cloud-microservices/common/errors"
+	"schisandra-album-cloud-microservices/common/xhttp"
+	"time"
+)
+
+func NonceMiddleware(w http.ResponseWriter, r *http.Request, redisClient *redis.Client) {
+	nonce := r.Header.Get("X-Nonce")
+	if nonce == "" {
+		xhttp.JsonBaseResponseCtx(r.Context(), w, errors.New(http.StatusBadRequest, "bad request!"))
+		return
+	}
+	if len(nonce) != 32 {
+		xhttp.JsonBaseResponseCtx(r.Context(), w, errors.New(http.StatusBadRequest, "bad request!"))
+		return
+	}
+	result := redisClient.Get(r.Context(), constant.SystemApiNoncePrefix+nonce).Val()
+	if result != "" {
+		xhttp.JsonBaseResponseCtx(r.Context(), w, errors.New(http.StatusBadRequest, "bad request!"))
+		return
+	}
+	err := redisClient.Set(r.Context(), constant.SystemApiNoncePrefix+nonce, nonce, time.Minute*1).Err()
+	if err != nil {
+		xhttp.JsonBaseResponseCtx(r.Context(), w, errors.New(http.StatusInternalServerError, "internal server error!"))
+		return
+	}
+}