Overview

This API is used to read the permission policy of a bucket.

Request

Sample request

GET /?policy HTTP/1.1
Host:<BucketName-APPID>.cos.<Region>.myqcloud.com
Date:date
Authorization: Auth String

Note：

• In Host: <bucketname-appid>.cos.<region>.myqcloud.com, is the bucket name followed by the APPID, such as examplebucket-1250000000 (see Bucket Overview > Basic Information and Bucket Overview > Bucket Naming Conventions), and is a COS region (see Regions and Access Endpoints).
• Authorization: Auth String (see Request Signature for more information).

Request headers

This API only uses Common Request Headers.

Request body

The request body of this request is empty.

Response

Response headers

This API only returns Common Response Headers.

Response body

The permission policy is returned in the response body.

{
"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"
}

Error codes

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

Sample

Request

GET /?policy HTTP/1.1
Host:examplebucket-1250000000.cos.ap-guangzhou.myqcloud.com
Authorization:q-sign-algorithm=sha1&q-ak=AKIDWtTCBYjM5OwLB9CAwA1Qb2ThTSUj****&q-sign-time=1484814099;32557710099&q-key-time=1484814099;32557710099&q-header-list=host&q-url-param-list=policy&q-signature=0523d7c6305b6676611c44798d2c48b659e6****

Response

HTTP/1.1 200 OK
Content-Type: application/xml
Content-Length: 237
Connection: keep-alive
Date: Thu Jan 19 16:21:46 2017
Server: tencent-cos
x-cos-request-id: NTg4MDc3MWFfOWIxZjRlXzZmNDVf****
{
"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"
}