将 HTTP Basic-Auth 与 Google App Engine URLFetch 服务结合使用

问题描述：

如何指定用于使用 App Engine 的 URLFetch 服务(在 Java 中)?

How can I specify the username and password for making Basic-Auth requests with App Engine's URLFetch service (in Java)?

似乎我可以设置 HTTP 标头:

It seems I can set HTTP headers:

URL url = new URL("http://www.example.com/comment");
HttpURLConnection connection = (HttpURLConnection) url.openConnection();
connection.setRequestProperty("X-MyApp-Version", "2.7.3");

Basic-Auth 的合适标头是什么?

What are the appropriate headers for Basic-Auth?

答

这是一个基于 http 的基本身份验证标头:

This is a basic auth header over http:

授权:基本 base64 编码(用户名:密码)

Authorization: Basic base64 encoded(username:password)

例如:

GET /private/index.html HTTP/1.0
Host: myhost.com
Authorization: Basic QWxhZGRpbjpvcGVuIHNlc2FtZQ==

您需要这样做:

URL url = new URL("http://www.example.com/comment");
HttpURLConnection connection = (HttpURLConnection) url.openConnection();
connection.setRequestProperty("Authorization",
"Basic "+codec.encodeBase64String(("username:password").getBytes());

为此，您需要获得一个 base64 编解码器 API，例如 Apache Commons Codec

And to do that you will want to get a base64 codec api, like the Apache Commons Codec

将 HTTP Basic-Auth 与 Google App Engine URLFetch 服务结合使用

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