当允许用户输入 markdown 内容时,如何防止跨域脚本攻击? Python 有没有相关的处理模块? - V2EX
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zmrenwu

当允许用户输入 markdown 内容时,如何防止跨域脚本攻击? Python 有没有相关的处理模块?

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  •   zmrenwu Nov 21, 2016 2669 views
    This topic created in 3443 days ago, the information mentioned may be changed or developed.

    比如 V2EX ,允许用户通过 markdown 格式发帖。现在我想做的是:

    转义用户输入的纯 html , js 代码。

    代码块中的 html , js 代码不被转义。

    一些 mardown 和 html 共同的标签不被转义。

    仔细思考发现这是一个挺麻烦的事情,需要考虑的情况比较多。

    有没有完善的第三方 python 模块已经做了这个事了?

    4 replies    2016-11-24 09:22:37 +08:00
    Ellen
        1
    Ellen  
       Nov 22, 2016
    项目里面使用的 js 编辑器 editor-md
    zmrenwu
        2
    zmrenwu  
    OP
       Nov 22, 2016 via iPad
    @Ellen 但这只是编辑器吧?对用户输入的内容做处理了么?
    rogwan
        3
    rogwan  
       Nov 22, 2016
    可以在转义的时候,自定义过滤器,用过 flask Bleach ,然后根据自己的需要修改。
    zmrenwu
        4
    zmrenwu  
    OP
       Nov 24, 2016
    @rogwan 自己写过滤挺复杂的,希望能有一个现成的框架。
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