Flask模拟实现CSRF攻击的方法

https://www.jb51.net/article/144371.htm

https://www.cnblogs.com/888888CN/p/9489345.html

http://xiaorui.cc/2015/01/19/flask%E4%BD%BF%E7%94%A8token%E6%9D%A5%E9%98%B2%E5%BE%A1csrf%E8%B7%A8%E7%AB%99%E6%94%BB%E5%87%BB/

https://www.cnblogs.com/sellsa/p/9369019.html