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PUT Bucket policy

Last updated: 2024-03-28 18:08:33

    Overview

    This API is used to write a permission policy for a bucket. The policy passed in this API will overwrite the existing one (if any) in the bucket.
    

    Request

    Sample request

    PUT /?policy HTTP/1.1
    Host:<BucketName-APPID>.cos.<Region>.myqcloud.com
    Date: date
    Content-Type:application/json
    Content-MD5:MD5
    Authorization: Auth String
    Note:
    In Host: <BucketName-APPID>.cos.<Region>.myqcloud.com, <BucketName-APPID> is the bucket name followed by the APPID, such as examplebucket-1250000000 (see Bucket Overview > Basic Information and Bucket Overview > Bucket Naming Conventions), and <Region> is a COS region (see Regions and Access Endpoints).
    Authorization: Auth String (See Request Signature for details.)

    Request headers

    This API only uses Common Request Headers.

    Request body

    In the following example, the root account (100000000001) grants permission to its sub-account (100000000011) to query the list of objects in the examplebucket-1250000000 bucket. For more information about the elements used in access policy settings, please see Access Policy Language Overview. For the policy-granting example, please see Working with COS API Access Policies.
    {
      "Statement": [
        {
          "Principal": {
            "qcs": [
              "qcs::cam::uin/100000000001:uin/100000000011"
            ]
          },
          "Effect": "allow",
          "Action": [
            "name/cos:GetBucket"
          ],
          "Resource": [
            "qcs::cos:ap-guangzhou:uid/1250000000:examplebucket-1250000000/*"
          ]
        }
      ],
      "version": "2.0"
    }

    Response

    Response headers

    This API only returns Common Response Headers.

    Response body

    The response body is empty.

    Error codes

    This API returns common error responses and error codes. For more information, please see Error Codes.

    Example

    Request

    PUT /?policy HTTP/1.1
    Host: examplebucket-1250000000.cos.ap-guangzhou.myqcloud.com
    Authorization:q-sign-algorithm=sha1&q-ak=AKIDWtTCBYjM5OwLB9CAwA1Qb2ThTSUj****&q-sign-time=1484813288;32557709288&q-key-time=1484813288;32557709288&q-header-list=host&q-url-param-list=policy&q-signature=05f7fc936369f910a94a0c815e1f1752f034****
    Content-Type: application/json
    Content-Length: 233
    
    {
      "Statement": [
        {
          "Principal": {
            "qcs": [
              "qcs::cam::uin/100000000001:uin/100000000001"
            ]
          },
          "Effect": "allow",
          "Action": [
            "name/cos:GetBucket"
          ],
          "Resource": [
            "qcs::cos:ap-guangzhou:uid/1250000000:examplebucket-1250000000/*"
          ]
        }
      ],
      "version": "2.0"
    }

    Response

    HTTP/1.1 204 No Content
    Content-Type: application/xml
    Content-Length: 0
    Connection: keep-alive
    Date: Thu Jan 19 16:19:22 2017
    Server: tencent-cos
    x-cos-request-id: NTg4MDc2OGFfNDUyMDRlXzc3NTlf****
    
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