aws presigned upload URL return json?

Question

Is there a way to make a presigned aws upload URL return a json response if there is a error rather then a xml response.

Currently it returns something like the following if the url is expired.

<?xml version="1.0" encoding="UTF-8"?>
<Error>
    <Code>AccessDenied</Code>
    <Message>Request has expired</Message>
    <X-Amz-Expires>900</X-Amz-Expires>
    <Expires>2020-02-06T20:13:39Z</Expires>
    <ServerTime>2020-02-06T20:26:33Z</ServerTime>
    <RequestId>2A23445454569</RequestId>
    <HostId>oi3j4o5ij346?3464556756567/5675685745yfghr5y4/456345345=</HostId>
</Error>

Would be nice if this was a json response instead.

Ersoy · Accepted Answer · 2020-06-18 21:13:40Z

1

No, there is no way. It is not specific to pre-signed-url endpoints but S3 doesn't return json but xml.

According to Error Responses documentation of s3;

REST Error Responses

When an error occurs, the header information contains the following:

Content-Type: application/xml
An appropriate 3xx, 4xx, or 5xx HTTP status code

Also you may check list of available methods from here, as it can be seen they are all XML.

answered Jun 18, 2020 at 21:13

Ersoy

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