新增七牛回调接口并接入验签校验

internal/routes/common_routes.go

@@ -6,6 +6,11 @@ import (
 	qiniuhandler "wx_service/internal/common/qiniu/handler"
 )
 
+func registerCommonPublicRoutes(api *gin.RouterGroup, uploadHandler *qiniuhandler.UploadHandler) {
+	// 七牛上传回调：由七牛服务端调用，不能挂登录鉴权。
+	api.POST("/common/upload/qiniu/callback", uploadHandler.QiniuCallback)
+}
+
 func registerCommonRoutes(protected *gin.RouterGroup, uploadHandler *qiniuhandler.UploadHandler) {
 	// 公共接口（所有小程序共用）
 	common := protected.Group("/common")