#1836 未登录或者没有权限访问私有项目时，跳转到403页面

app/controllers/projects_controller.rb

@@ -558,6 +558,11 @@ class ProjectsController < ApplicationController
 
   # Show @project
   def show
+    if(@project && !@project.is_public && !User.current.member_of?(@project))
+      render_403
+      return
+    end
+
     @project_type = params[:project_type]
     
     # try to redirect to the requested menu item