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如何使用Ruby SDK在AWS S3对象上设置Access-Control-Allow-Origin标头？

[英]How to set the Access-Control-Allow-Origin header on an AWS S3 object using Ruby SDK?

原文 2015-10-02 17:27:40 8 1 ruby/ amazon-web-services/ amazon-s3

How do you set the Access-Control-Allow-Origin header of an S3 object using version 1 of the AWS SDK for Ruby. 如何使用适用于Ruby的AWS开发工具包的版本1设置S3对象的Access-Control-Allow-Origin标头。 The docs here show how to set a variety of headers, but there doesn't seem to be anything for the access control header. 此处的文档显示了如何设置各种标头，但访问控制标头似乎没有任何内容。 It does mention a :metadata option, but that prefixes the values with x-amz-meta , which is not what I'm looking for. 它的确提到了:metadata选项，但是该值以x-amz-meta ，这不是我想要的。

The reason I ask is because I'm trying to download a publicly readable file in S3 (which I put there) by making an Ajax call from Javascript. 我问的原因是因为我试图通过从Javascript进行Ajax调用来下载S3中的公共可读文件（放置在该文件中）。 I have set the ACL to public read, which means I can view it in a browser, but I get the No 'Access-Control-Allow-Origin' header is present on the requested resource error from the Ajax call. 我已经将ACL设置为公共读取，这意味着我可以在浏览器中查看它，但是在Ajax调用No 'Access-Control-Allow-Origin' header is present on the requested resource错误中，我No 'Access-Control-Allow-Origin' header is present on the requested resource 。

1 个解决方案

Well, is that the only way to do it? 好吧，这是唯一的方法吗？

Yes, that's the only way to do it. 是的，那是唯一的方法。 CORS in S3 is only configurable at the bucket level. S3中的CORS只能在存储桶级别进行配置。

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