feat: add disable cache middleware

middleware/disable-cache.go

+package middleware
+
+import "github.com/gin-gonic/gin"
+
+func DisableCache() gin.HandlerFunc {
+	return func(c *gin.Context) {
+		c.Header("Cache-Control", "no-store, no-cache, must-revalidate, private, max-age=0")
+		c.Header("Pragma", "no-cache")
+		c.Header("Expires", "0")
+		c.Next()
+	}
+}

router/api-router.go

@@ -114,7 +114,7 @@ func SetApiRouter(router *gin.Engine) {
 			channelRoute.GET("/models", controller.ChannelListModels)
 			channelRoute.GET("/models_enabled", controller.EnabledListModels)
 			channelRoute.GET("/:id", controller.GetChannel)
-			channelRoute.POST("/:id/key", middleware.CriticalRateLimit(), controller.GetChannelKey)
+			channelRoute.POST("/:id/key", middleware.CriticalRateLimit(), middleware.DisableCache(), controller.GetChannelKey)
 			channelRoute.GET("/test", controller.TestAllChannels)
 			channelRoute.GET("/test/:id", controller.TestChannel)
 			channelRoute.GET("/update_balance", controller.UpdateAllChannelsBalance)