Description

This API (PUT Bucket policy) is used to write a permission policy for a Bucket. The policy passed in will overwrite the existing permission policy.

Request

Request example

PUT /?policy HTTP/1.1
Host:<BucketName-APPID>.cos.<Region>.myqcloud.com
Date: date
Content-Type:application/json
Content-MD5:MD5
Authorization: Auth String

Authorization: Auth String (For more information, see Request Signature).

Request headers

Common headers

Common request headers are used for the implementation of this request operation. For more information, see Common Request Headers.

Request parameters

No special request parameter is needed.

Request body

{
    "Statement": [
        {
            "Principal": {
                "qcs": [
                    "qcs::cam::uin/${owner_uin}:uin/${sub_uin}"
                ]
            },
            "Effect": "${effect}",
            "Action": [
                "name/cos:${action}"
            ],
            "Resource": [
                "qcs::cos:${region}:uid/${appid}:${bucket}/*"
            ]
        }
    ],
    "version": "2.0"
}

Response

Response headers

Common response headers

This response uses common response header. For more information, see Common Response Headers.

Special response headers

No special response header is used for this request operation.

Response body

The response body is empty.

Error codes

No special error code is returned. For common error codes, 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=AKIDWtTCBYjM5OwLB9CAwA1Qb2ThTSUjfGFO&q-sign-time=1484813288;32557709288&q-key-time=1484813288;32557709288&q-header-list=host&q-url-param-list=policy&q-signature=05f7fc936369f910a94a0c815e1f1752f034d47a
Content-Type: application/json
Content-Length: 233

{
  "Statement": [
    {
      "Principal": {
        "qcs": [
          "qcs::cam::uin/1250000000:uin/1250000000"
        ]
      },
      "Effect": "allow",
      "Action": [
        "name/cos:GetBucket"
      ],
      "Resource": [
        "qcs::cos:ap-chengdu: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: NTg4MDc2OGFfNDUyMDRlXzc3NTlfZTc4