从Play目录结构外部直接投放文件 [英] Direct serving files from outside of Play directories structure

问题描述

你好玩家

我需要为小型应用程序创建类似于自定义CDN的解决方案，并想知道用Play直接提供文件而不放在应用程序的public目录下的最佳方法是什么?我需要访问FTP上传文件夹.

I need to crate custom CDN-like solution for small app purposes and wonder what is the best way to serving files directly with Play, but not placed under the public directory of the application? I need to gain access to FTP-upload folder.

假设我的应用程序是从/home/myaccount/playapps/app201文件夹运行的，并且可以从http://somedomain.tld地址获得.我也有一个普通的FTP帐户，其文件夹指向/home/myaccount/ftp_upload.

Let's say that my app is run from /home/myaccount/playapps/app201 folder and is available at http://somedomain.tld address. I have also a common FTP account with folder pointing to /home/myaccount/ftp_upload.

将文件/home/myaccount/ftp_upload/folder_1/sub_2/file.txt作为 http://somedomain.tld/ftp_upload/folder_1/sub_2/file.txt(没有任何检查和限制)?

What is the best way to serve file /home/myaccount/ftp_upload/folder_1/sub_2/file.txt as http://somedomain.tld/ftp_upload/folder_1/sub_2/file.txt (without any checks and restrictions)?

• 一种选择是使用HTTP服务器并为ftp folder设置单独的host或alias，但是我想避免在某些节点上使用其他服务器( ref: 如果您正在寻找服务器解决方案，请检查示例配置 ).
• 第二个正在编写Application.serve(String filepath)操作+路由，但是在提供文件之前我不需要任何其他操作.使用这种方法有意义吗?

• One option is to use HTTP server and set separate host or alias for ftp folder , but I would like to avoid using additional servers on some nodes (ref: if you're looking for server solution check the sample config).
• Second is writing Application.serve(String filepath) action + route, but I don't need any additional actions before serving files. Is that make sense to use this approach?

还有其他选择吗?

(此问题也可通过 Google网上论坛)

推荐答案

如果您的Play文件夹和FTP文件夹位于同一主机上，则可以使用公共资产.从文档:

If your Play folder and FTP folder are on the same host, you can use the public assets. From the documentation:

请注意，如果您在公共"之外定义资产映射，则需要告知 关于它的sbt如果您愿意:

Note, if you define asset mappings outside "public," you’ll need to tell sbt about it, e.g. if you want:

GET  /assets/*file               controllers.Assets.at("/public", file)
GET  /liabilities/*file          controllers.Assets.at("/foo", file)

您应该将此添加到project/Build.scala

// Add your own project settings here
playAssetsDirectories <+= baseDirectory / "foo"

我没有测试它，但是值得一试:-)

I did not test it, but it's worth a try :-)

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