Object Storage Service:0002-00000503

Problem description

The request does not contain a valid date header that is used for signature authentication.

Causes

You initiated a request, but the request does not contain a valid x-oss-date header or Date header.

Examples

You initiated a request that includes the signature in the Authorization header, but the request does not contain a valid Date header or the x-oss-date header.

GET /oss.jpg HTTP/1.1
Host: oss-example.oss-cn-hangzhou.aliyuncs.com
Authorization:OSS LTAI****************:UNQD*************************

Solutions

Use one of the following methods to add a valid date header for signature authentication to the request:

• Add the Date header to the request

  GET /oss.jpg HTTP/1.1
  Host: oss-example.oss-cn-hangzhou.aliyuncs.com
  Authorization:OSS LTAI****************:UNQD*************************
  Date: Tue, 20 Dec 2022 08:48:18 GMT

• Add the x-oss-date header to the request

  GET /oss.jpg HTTP/1.1
  Host: oss-example.oss-cn-hangzhou.aliyuncs.com
  Authorization:OSS LTAI****************:UNQD*************************
  x-oss-date: 20221220T084818Z

References

• For information about how to use Object Storage Service (OSS) SDKs to initiate a request that uses the V4 signature, see Calculate V4 signature by using OSS SDK for Python.

• For information about how to specify the signature logic based on the V1 signature, see Overview.