如何在节点js的预签名url请求中发送内容md5标头

问题描述

我想检查上传到S3的对象的完整性.因此，我想包含md5标头，这样无论何时有人使用该URL，他们都应该仅上传有效内容.仅供参考:我将从用户界面中获取md5内容到我的服务.

I want to check the integrity of the object uploaded to S3.So I want to include the md5 header so whenever soomeone uses that url they should upload only the valid content.FYI: I would get the md5 content from the UI to my service.

const params = {
    Bucket: bucket,
      Key: id,
      Expires: 300,
      Metadata: metadata,
    };

this.s3ClientAccelerate.getSignedUrl('putObject', params);

推荐答案

只需添加ContentMD5即可.

Just add ContentMD5 like this.

const params = { Bucket: bucket, Key: id, Expires: 300, Metadata: metadata,ContentMD5: md5, };

并确保在客户端的标头中传递Content-MD5.

And make sure you pass Content-MD5 in headers of client.

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