如何在PlayFramework2中获取用户的IP? [英] How can you get a user's IP in PlayFramework2 ?

问题描述

出于安全原因，有时需要通过IP阻止用户.就我而言，我想在(SQL)数据库中管理IP黑名单.我想我可以根据动作组成来处理过滤器部分，但是为此，我需要用户的IP.

For security reasons, sometimes it is needed to block users by IP. In my case, I would like to manage the IP blacklist in a (SQL) database. I guess I can handle the filter part based on Action Composition but for that I need the user's IP.

那么，如何获取用户的IP?

PS:该应用程序在nginx代理后面运行.

PS : The application is running behind a nginx proxy.

推荐答案

现在可以在Play 2.0.2 + 中使用:

It's now possible with Play 2.0.2+ : RequestHeader.remoteAddress()

Java:

String ip = request().remoteAddress();

Scala:

Action { request =>
    val ip = request.remoteAddress()
}

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