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weihongmin1 285f8e4a64 OBS API 0826 Version

Reviewed-by: Sabelnikov, Dmitriy <dmitriy.sabelnikov@t-systems.com>
Co-authored-by: weihongmin1 <weihongmin1@huawei.com>
Co-committed-by: weihongmin1 <weihongmin1@huawei.com>

2025-10-28 10:02:29 +00:00

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Obtaining Object ACL Configuration

Functions

The implementation of this operation returns the ACL configuration of an object. You can perform this operation to view the ACL of an object, as long as you have the read permission for the object ACL.

Versioning

By default, this operation obtains the ACL of the latest version of an object. If the object has a delete marker, status code 404 is returned. To obtain the ACL of a specified version, the versionId parameter can be used to specify the desired version.

Request Syntax

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GET /ObjectName?acl HTTP/1.1 
Host: bucketname.obs.region.example.com
Date: date
Authorization: authorization

Request Parameters

The request parameters required are described in Table 1.

**Table 1** Request parameters
Parameter	Description	Mandatory (Yes/No)
versionId	Version number of an object. Type: string	No

Request Headers

This request uses common headers. For details, see Table 3.

In addition to the common request headers, the header listed in Table 2 may be used.

**Table 2** Additional request header
Header	Type	Mandatory (Yes/No)	Description
x-obs-request-payer	String	No	Definition: Indicates that the requester agrees to pay for the request and traffic. Constraints: If this header is not included in the request when the requester tries to access a requester-pays bucket, the authentication fails and error "403 Forbidden" is returned. Range: requester Default value: None

Request Elements

This request involves no elements.

Response Syntax

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HTTP/1.1 status_code
Date: date
Content-Length: length
Content-Type: application/xml 

<?xml version="1.0" encoding="UTF-8" standalone="yes"?> 
<AccessControlPolicy xmlns="http://obs.region.example.com/doc/2015-06-30/">
    <Owner> 
        <ID>id</ID> 
    </Owner> 
    <Delivered>true</Delivered>
    <AccessControlList> 
        <Grant> 
            <Grantee> 
                <ID>id</ID> 
            </Grantee> 
            <Permission>permission</Permission> 
        </Grant> 
    </AccessControlList> 
</AccessControlPolicy>

Response Headers

The response to the request uses common headers. For details, see Table 1.

In addition to the common response headers, the headers listed in Table 3 may be used.

**Table 3** Additional response headers
Parameter	Type	Description
x-obs-version-id	String	Definition: Version number of an object. Range: The value must contain 32 characters.
x-obs-request-payer	string	Definition: Indicates that the requester agrees to pay for the request and traffic. Constraints: If this header is not included in the request when the requester tries to access a requester-pays bucket, the authentication fails and error "403 Forbidden" is returned. Range: requester Default value: None

Response Elements

The response message of the request returns the ACL information of the object. Table 4 describes the elements.

**Table 4** Response elements
Element	Description
ID	User account ID Type: string
AccessControlList	List of users and their permissions for the bucket. Type: XML
Grant	Identifies the grantee and the permissions of the grantee. Type: XML
Grantee	Container for the details about the grantee. Type: XML
Delivered	Indicates whether an object ACL inherits the ACL of a bucket. Type: boolean
Permission	Permissions of a specified user for the bucket. Type: string

Error Responses

No special error responses are returned. For details about error responses, see Table 2.

Sample Request

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GET /object011?acl HTTP/1.1
User-Agent: curl/7.29.0
Host: examplebucket.obs.region.example.com
Accept: */*
Date: WED, 01 Jul 2015 04:45:55 GMT
Authorization: OBS H4IPJX0TQTHTHEBQQCEC:YcmvNQxItGjFeeC1K2HeUEp8MMM=

Sample Response

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HTTP/1.1 200 OK
Server: OBS
x-obs-request-id: 8DF400000163D3E650F3065C2295674C
x-obs-id-2: 32AAAQAAEAABAAAQAAEAABAAAQAAEAABCS+wsHqRuA2Tx+mXUpNtBbWLPMle9CIx
Content-Type: application/xml
Date: WED, 01 Jul 2015 04:45:55 GMT
Content-Length: 769

<?xml version="1.0" encoding="utf-8"?>
<AccessControlPolicy xmlns="http://obs.region.example.com/doc/2015-06-30/">
  <Owner> 
    <ID>b4bf1b36d9ca43d984fbcb9491b6fce9</ID> 
  </Owner>  
  <Delivered>false</Delivered> 
  <AccessControlList> 
    <Grant> 
      <Grantee> 
        <ID>b4bf1b36d9ca43d984fbcb9491b6fce9</ID> 
      </Grantee>  
      <Permission>FULL_CONTROL</Permission> 
    </Grant>  
    <Grant> 
      <Grantee> 
        <ID>783fc6652cf246c096ea836694f71855</ID> 
      </Grantee>  
      <Permission>READ</Permission>  
      </Grant>  
    <Grant> 
      <Grantee> 
        <Canned>Everyone</Canned> 
      </Grantee>  
      <Permission>READ_ACP</Permission> 
    </Grant> 
  </AccessControlList> 
</AccessControlPolicy>

Parent topic: Operations on Objects

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