HTTP内容编码的base64 [英] HTTP content encoding, base64

问题描述

有没有办法知道HTTP响应的消息体带的Base64 codeD？

Is there any way to know if the message body of an HTTP response is encoded with Base64?

我了解到，内容传输编码不是HTTP头的一部分。

I learnt that content-transfer-encoding is not part of HTTP header.

所以，这HTTP标头表明内容带的Base64 codeD？我想编码内容仅用于COM pressions。

So, which HTTP header indicates that the content is encoded with Base64? I think Content-encoding is only used for compressions.

推荐答案

据我了解，一个HTTP的身体可能无法连接为Base64 codeD：

As far as I understand, an HTTP body may not be encoded in Base64:

HTTP不使用内容传送编码（CTE）场
     2045年的代理和网关的MIME兼容协议HTTP MUST
     删除所有无标识的CTE（引用可打印或的base64）编码
     之前提供的响应消息发送到HTTP客户端。

HTTP does not use the Content-Transfer-Encoding (CTE) field of RFC 2045. Proxies and gateways from MIME-compliant protocols to HTTP MUST remove any non-identity CTE ("quoted-printable" or "base64") encoding prior to delivering the response message to an HTTP client.

身份感：

默认（标识）的编码;使用否转型
          任何。

The default (identity) encoding; the use of no transformation whatsoever.

当然，你被允许使用HTTP传输的Base64恩codeD数据，但这应该是双方（客户端和服务器）同意，而且似乎没有要来形容这一个头行为。

Of course you're allowed to transport Base64-encoded data using HTTP, but that should be something both parties (client and server) agree on, and there doesn't seem to be a header to describe this behavior.

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