Nodejs AWS开发工具包S3生成预签名URL

本文介绍了Nodejs AWS开发工具包S3生成预签名URL的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！ 问题描述

我正在使用NodeJS AWS开发工具包生成预签名的S3 URL.该文档给出了生成预签名URL的示例.

I am using the NodeJS AWS SDK to generate a presigned S3 URL. The docs give an example of generating a presigned URL.

这是我的确切代码(省略了敏感信息):

Here is my exact code (with sensitive info omitted):

const AWS = require('aws-sdk') const s3 = new AWS.S3() AWS.config.update({accessKeyId: 'id-omitted', secretAccessKey: 'key-omitted'}) // Tried with and without this. Since s3 is not region-specific, I don't // think it should be necessary. // AWS.config.update({region: 'us-west-2'}) const myBucket = 'bucket-name' const myKey = 'file-name.pdf' const signedUrlExpireSeconds = 60 * 5 const url = s3.getSignedUrl('getObject', { Bucket: myBucket, Key: myKey, Expires: signedUrlExpireSeconds }) console.log(url)

生成的URL如下:

bucket-name.s3-us-west-2.amazonaws/file-name.pdf?AWSAccessKeyId=[access-key-omitted]&Expires=1470666057&Signature=[signature-omitted]

我正在将该URL复制到浏览器中，并得到以下响应:

I am copying that URL into my browser and getting the following response:

<Error> <Code>NoSuchBucket</Code> <Message>The specified bucket does not exist</Message> <BucketName>[bucket-name-omitted]</BucketName> <RequestId>D1A358D276305A5C</RequestId> <HostId> bz2OxmZcEM2173kXEDbKIZrlX508qSv+CVydHz3w6FFPFwC0CtaCa/TqDQYDmHQdI1oMlc07wWk= </HostId> </Error>

我知道该存储桶存在.当我通过AWS Web GUI导航到该项目并双击时，它会打开带有URL的对象并可以正常工作:

I know the bucket exists. When I navigate to this item via the AWS Web GUI and double click on it, it opens the object with URL and works just fine:

s3-us-west-2.amazonaws/[bucket-name-omitted]/[file-name-omitted].pdf?X-Amz-Date=20160808T141832Z&X-Amz-Expires=300&X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Signature=[signature-omitted]&X-Amz-Credential=ASIAJKXDBR5CW3XXF5VQ/20160808/us-west-2/s3/aws4_request&X-Amz-SignedHeaders=Host&x-amz-security-token=[really-long-key]

因此，我被认为是我在使用SDK时一定做错了事.

So I am led to believe that I must be doing something wrong with how I'm using the SDK.

推荐答案

达斯汀(Dustin)

Dustin,

您的代码正确，请仔细检查以下内容:

Your code is correct, double check following:

您的存储桶访问策略.

Your bucket access policy.

通过您的API密钥的存储桶权限.

Your bucket permission via your API key.

您的API密钥和机密.

Your API key and secret.

您的存储桶名称和密钥.

Your bucket name and key.