为什么 Symfony2 URL 验证器会跳过 TLD? [英] Why does the Symfony2 URL validator skip the TLD?

问题描述

所以，我正在 Symfony2 中开发一个简单的 URL 缩短器 - 要求的一件事是输入必须是一个有效的 URL.

So, I'm developing a simple URL shortener in Symfony2 - one of the things that is required is the input must be a valid URL.

所以我已经设置了所有内容并且正在验证它，但是它没有验证 TLD！它将通过诸如A"之类的东西作为有效域！

So I've set everything up and it's being validated, but it doesn't validate the TLD! It will pass things through such as "A" as being a valid domain!

怎么回事?

推荐答案

您不仅要验证 TLD，还要验证 TLD 是否在公共后缀列表中:

You do not only want to validate the TLD, but also if the TLD is within the public suffix list:

• 公共后缀列表

另请参阅有关库列表的相关问题:从 URL 获取子域

Also please see a related question for a list of libraries: Get the subdomain from a URL

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