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    GET Bucket Object Versions

    Last updated: 2021-10-22 12:50:22
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      Overview

      This API is used to get all objects in a bucket and their historical version information. You can also filter certain objects and their version information by specifying relevant parameters. To call this API, you need to have permission to read the bucket.

      API Explorer is recommended.
      Debug
      API Explorer makes it easy to make online API calls, verify signatures, generate SDK code, search for APIs, etc. You can also use it to query the content of each request as well as its response.

      Request

      Sample request

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

      Request parameters

      Header Description Type Required
      prefix Matching prefix for object keys. The response will contain only object keys with the specified prefix. string No
      delimiter A character delimiter used to group object keys. Keys that contain identical paths between the prefix (or, if no prefix is specified, the beginning of the string) and the first delimiter are grouped and defined as a Prefix node under CommonPrefixes. The grouped object keys will no longer appear in the subsequent object list. For specific scenarios and usage, see the examples below string No
      encoding-type Encoding type of the returned value. Valid value: url, meaning that the returned object keys are URL-encoded (percent-encoded) values. For example, "Tencent Cloud" will be encoded to %E8%85%BE%E8%AE%AF%E4%BA%91. string No
      key-marker Marker for the starting object key. Object version entries after this marker will be returned in UTF-8 lexicographical order. string No
      version-id-marker Marker for the starting version ID. Object version entries after this marker will be returned. If NextVersionIdMarker is empty in the last ListVersionsResult response, leave this parameter empty. string No
      max-keys The maximum number (up to 1,000) of keys returned in a response. Defaults to 1000.
      Note: This parameter limits the maximum number of keys (the sum of CommonPrefixes, Version, and DeleteMarker’) COS can return in eachListVersionsResultresponse. If not all objects are listed in a single response, COS will return theNextKeyMarkerandNextVersionIdMarkernodes, the values of which can be used to specifykey-markerandversion-id-marker`, respectively, so that the remaining versions can be listed in your next request.      		 integer No

      Request headers

      This API only uses Common Request Headers.

      Request body

      This API does not have a request body.

      Response

      Response headers

      This API only returns Common Response Headers.

      Response body

      A successful query returns application/xml data, which contains information about object versions in the bucket. For the response bodies of different scenarios, see the examples below.

      <ListVersionsResult>
<EncodingType>string</EncodingType>
<Name>string</Name>
<Prefix>string</Prefix>
<KeyMarker>string</KeyMarker>
<VersionIdMarker>string</VersionIdMarker>
<MaxKeys>integer</MaxKeys>
<IsTruncated>boolean</IsTruncated>
<NextKeyMarker>string</NextKeyMarker>
<NextVersionIdMarker>string</NextVersionIdMarker>
<Delimiter>string</Delimiter>
<CommonPrefixes>
    <Prefix>string</Prefix>
</CommonPrefixes>
<CommonPrefixes>
    <Prefix>string</Prefix>
</CommonPrefixes>
<Version>
    <Key>string</Key>
    <VersionId>string</VersionId>
    <IsLatest>boolean</IsLatest>
    <LastModified>date</LastModified>
    <ETag>string</ETag>
    <Size>integer</Size>
    <StorageClass>Enum</StorageClass>
    <StorageTier>Enum</StorageTier>
    <Owner>
        <ID>string</ID>
        <DisplayName>string</DisplayName>
    </Owner>
</Version>
<DeleteMarker>
    <Key>string</Key>
    <VersionId>string</VersionId>
    <IsLatest>boolean</IsLatest>
    <LastModified>date</LastModified>
    <Owner>
        <ID>string</ID>
        <DisplayName>string</DisplayName>
    </Owner>
</DeleteMarker>
<Version>
    <Key>string</Key>
    <VersionId>string</VersionId>
    <IsLatest>boolean</IsLatest>
    <LastModified>date</LastModified>
    <ETag>string</ETag>
    <Size>integer</Size>
    <StorageClass>Enum</StorageClass>
    <StorageTier>Enum</StorageTier>
    <Owner>
        <ID>string</ID>
        <DisplayName>string</DisplayName>
    </Owner>
</Version>
<DeleteMarker>
    <Key>string</Key>
    <VersionId>string</VersionId>
    <IsLatest>boolean</IsLatest>
    <LastModified>date</LastModified>
    <Owner>
        <ID>string</ID>
        <DisplayName>string</DisplayName>
    </Owner>
</DeleteMarker>
</ListVersionsResult>

      The nodes are described as follows:

      Node Name (Keyword) Parent Node Description Type
      ListVersionsResult None Stores the result of GET Bucket Object versions. Container

      Content of ListVersionsResult:

      Node Name (Keyword) Parent Node Description Type
      EncodingType ListVersionsResult Encoding type, which corresponds to the encoding-type parameter in the request. This node will be returned only when the encoding-type parameter is specified in the request. string
      Name ListVersionsResult Bucket name, formatted as <bucketname-appid>, such as examplebucket-1250000000 string
      Prefix ListVersionsResult Matching prefix to filter object keys. This node corresponds to the Prefix parameter in the request. string
      KeyMarker ListVersionsResult Marks the object key to start with. Object version entries after the marker will be returned in UTF-8 lexicographical order. This node corresponds to the key-marker parameter in the request. string
      VersionIdMarker ListVersionsResult Marks the version ID to start with. Object version entries after the marker will be returned. This node corresponds to the version-id-marker parameter in the request. string
      MaxKeys ListVersionsResult Maximum number of keys returned in a single response. This node corresponds to the max-keys parameter in the request. integer
      IsTruncated ListVersionsResult Indicates whether the returned list is truncated. Valid values: true, false boolean
      NextKeyMarker ListVersionsResult This node will be returned only if the returned list is truncated (i.e., the value of IsTruncated is true). The value of this node is the last object key in the current response. If you need to request subsequent entries, the value can be passed in as the value of the key-marker parameter in the next request. string
      NextVersionIdMarker ListVersionsResult This node will be returned only if the returned list is truncated (i.e., the value of IsTruncated is true). The value of this node is the last version ID in the current response. If you need to request subsequent entries, the value can be passed in as the value of the version-id-marker parameter in the next request. If this node is left empty, version-id-marker in the next request should also be left empty. string
      Delimiter ListVersionsResult Delimiter, which corresponds to the delimiter parameter in the request and will be returned only if the delimiter parameter is specified in the request. string
      CommonPrefixes ListVersionsResult The identical paths between the prefix (or, if no prefix is specified, the beginning of the string) and the first delimiter are grouped and defined as a common prefix. This node will be returned only if the delimiter parameter is specified in the request. Container
      Version ListVersionsResult Object version entry Container
      DeleteMarker ListVersionsResult Object delete marker entry Container

      Content of CommonPrefixes:

      Node Name (Keyword) Parent Node Description Type
      Prefix ListVersionsResult.CommonPrefixes A single common prefix string

      Content of Version:

      Node Name (Keyword) Parent Node Description Type
      Key ListVersionsResult.Version Object key string
      VersionId ListVersionsResult.Version Version ID of the object
    • If versioning is disabled, the value of this node is an empty string.
    • If versioning is enabled, the value of this node is null for an object uploaded before you enable versioning.
    • If versioning is suspended, the value of this node is null for an object uploaded after you suspend versioning. Note that each object can have only one object version whose ID is null.
      		•  string
      IsLatest ListVersionsResult.Version Indicates whether the current version is the latest one of the object. boolean
      LastModified ListVersionsResult.Version Last modified time of the current version, in ISO 8601 format (for example, 2019-05-24T10:56:40Z) date
      ETag ListBucketResult.Contents Entity tag of the object. It indicates the content of the object when it is created and can be used to verify whether the object content is changed.
      Example: "8e0b617ca298a564c3331da28dcb50df"
      The value of ETag is not necessarily the MD5 checksum of the object. The value will be different if the uploaded object is encrypted.      		 string
      Size ListVersionsResult.Version Object size, in bytes integer
      StorageClass ListVersionsResult.Version Object storage class, such as STANDARD_IA or ARCHIVE. For enumerated values, please see Storage Class Overview. Enum
      StorageTier ListVersionsResult.Version Access tier (for INTELLIGENT TIERING) the object is currently stored in. Enumerated values: FREQUENT, INFREQUENT. This node is returned only when StorageClass is set to INTELLIGENT_TIERING. Enum
      Owner ListVersionsResult.Version Information of the object owner Container

      Content of Version.Owner:

      Node Name (Keyword) Parent Node Description Type
      ID ListVersionsResult.Version.Owner APPID of the object owner string
      DisplayName ListVersionsResult.Version.Owner Name of the object owner string

      Content of DeleteMarker:

      Node Name (Keyword) Parent Node Description Type
      Key ListVersionsResult.DeleteMarker Object key string
      VersionId ListVersionsResult.DeleteMarker Version ID of the object delete marker string
      IsLatest ListVersionsResult.DeleteMarker Indicates whether the current delete marker version is the latest one of the object. boolean
      LastModified ListVersionsResult.DeleteMarker Last modified time of the current delete marker, in ISO 8601 format (for example, 2019-05-24T10:56:40Z) date
      Owner ListVersionsResult.DeleteMarker Information of the object owner Container

      Content of DeleteMarker.Owner:

      Node Name (Keyword) Parent Node Description Type
      ID ListVersionsResult.DeleteMarker.Owner APPID of the object owner string
      DisplayName ListVersionsResult.DeleteMarker.Owner Name of the object owner string

      Error codes

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

      Examples

      Example 1: versioning not enabled

      Request

      GET /?versions HTTP/1.1
Host: examplebucket-1250000000.cos.ap-beijing.myqcloud.com
Date: Thu, 10 Dec 2020 03:35:34 GMT
Authorization: q-sign-algorithm=sha1&q-ak=AKID8A0fBVtYFrNm02oY1g1JQQF0c3JO****&q-sign-time=1607571334;1607578534&q-key-time=1607571334;1607578534&q-header-list=date;host&q-url-param-list=versions&q-signature=1c39a124c84ec844e56cb1031a511568c16f****
Connection: close

      Response

      HTTP/1.1 200 OK
Content-Type: application/xml
Content-Length: 952
Connection: close
Date: Thu, 10 Dec 2020 03:35:34 GMT
Server: tencent-cos
x-cos-request-id: NWZkMTk3ODZfZDUyNzVkNjRfNDgxYl8xNjU5****

<ListVersionsResult>
  <Name>examplebucket-1250000000</Name>
  <Prefix/>
  <KeyMarker/>
  <VersionIdMarker/>
  <MaxKeys>1000</MaxKeys>
  <IsTruncated>false</IsTruncated>
  <Version>
      <Key>example-object-1.jpg</Key>
      <VersionId/>
      <IsLatest>true</IsLatest>
      <LastModified>2020-12-10T03:35:24.000Z</LastModified>
      <ETag>&quot;0f0cd12c48979d1bf3f95255a36cb861&quot;</ETag>
      <Size>20</Size>
      <StorageClass>STANDARD</StorageClass>
      <Owner>
    <ID>1250000000</ID>
    <DisplayName>1250000000</DisplayName>
      </Owner>
  </Version>
  <Version>
      <Key>example-object-2.jpg</Key>
      <VersionId/>
      <IsLatest>true</IsLatest>
      <LastModified>2020-12-10T03:35:24.000Z</LastModified>
      <ETag>&quot;dcffaafe67632b2bd2dd0b9456eafca7&quot;</ETag>
      <Size>23</Size>
      <StorageClass>INTELLIGENT_TIERING</StorageClass>
      <StorageTier>FREQUENT</StorageTier>
      <Owner>
    <ID>1250000000</ID>
    <DisplayName>1250000000</DisplayName>
      </Owner>
  </Version>
</ListVersionsResult>

      Example 2. Uploading an object and then enabling versioning, making its version ID null (a continuity of example 1)

      Request

      GET /?versions HTTP/1.1
Host: examplebucket-1250000000.cos.ap-beijing.myqcloud.com
Date: Thu, 10 Dec 2020 03:36:05 GMT
Authorization: q-sign-algorithm=sha1&q-ak=AKID8A0fBVtYFrNm02oY1g1JQQF0c3JO****&q-sign-time=1607571365;1607578565&q-key-time=1607571365;1607578565&q-header-list=date;host&q-url-param-list=versions&q-signature=569318dd515c682db22c704d61314156e790****
Connection: close

      Response

      HTTP/1.1 200 OK
Content-Type: application/xml
Content-Length: 2070
Connection: close
Date: Thu, 10 Dec 2020 03:36:05 GMT
Server: tencent-cos
x-cos-request-id: NWZkMTk3YTVfYjFiODJhMDlfNTg0MDZfMTdj****

<ListVersionsResult>
  <Name>examplebucket-1250000000</Name>
  <Prefix/>
  <KeyMarker/>
  <VersionIdMarker/>
  <MaxKeys>1000</MaxKeys>
  <IsTruncated>false</IsTruncated>
  <Version>
      <Key>example-object-1.jpg</Key>
      <VersionId>null</VersionId>
      <IsLatest>true</IsLatest>
      <LastModified>2020-12-10T03:35:24.000Z</LastModified>
      <ETag>&quot;0f0cd12c48979d1bf3f95255a36cb861&quot;</ETag>
      <Size>20</Size>
      <StorageClass>STANDARD</StorageClass>
      <Owner>
          <ID>1250000000</ID>
          <DisplayName>1250000000</DisplayName>
      </Owner>
  </Version>
  <Version>
      <Key>example-object-2.jpg</Key>
      <VersionId>MTg0NDUxMzY1MDIzNjQ3NTcwMDk</VersionId>
      <IsLatest>true</IsLatest>
      <LastModified>2020-12-10T03:35:44.000Z</LastModified>
      <ETag>&quot;51ffadb19b3bf062ecd0c6f044a4d4ce&quot;</ETag>
      <Size>23</Size>
      <StorageClass>STANDARD_IA</StorageClass>
      <Owner>
          <ID>1250000000</ID>
          <DisplayName>1250000000</DisplayName>
      </Owner>
  </Version>
  <Version>
      <Key>example-object-2.jpg</Key>
      <VersionId>null</VersionId>
      <IsLatest>false</IsLatest>
      <LastModified>2020-12-10T03:35:24.000Z</LastModified>
      <ETag>&quot;dcffaafe67632b2bd2dd0b9456eafca7&quot;</ETag>
      <Size>23</Size>
      <StorageClass>INTELLIGENT_TIERING</StorageClass>
      <StorageTier>FREQUENT</StorageTier>
      <Owner>
          <ID>1250000000</ID>
          <DisplayName>1250000000</DisplayName>
      </Owner>
  </Version>
  <DeleteMarker>
      <Key>example-object-3.jpg</Key>
      <VersionId>MTg0NDUxMzY1MDIzNTQ1ODM2NjE</VersionId>
      <IsLatest>true</IsLatest>
      <LastModified>2020-12-10T03:35:54.000Z</LastModified>
      <Owner>
          <ID>1250000000</ID>
          <DisplayName>1250000000</DisplayName>
      </Owner>
  </DeleteMarker>
  <Version>
      <Key>example-object-3.jpg</Key>
      <VersionId>MTg0NDUxMzY1MDIzNjQ3NjM2MDY</VersionId>
      <IsLatest>false</IsLatest>
      <LastModified>2020-12-10T03:35:44.000Z</LastModified>
      <ETag>&quot;b2f1d893c5fde000ee8ea6eca18ed81f&quot;</ETag>
      <Size>20</Size>
      <StorageClass>STANDARD</StorageClass>
      <Owner>
          <ID>1250000000</ID>
          <DisplayName>1250000000</DisplayName>
      </Owner>
  </Version>
</ListVersionsResult>

      Example 3. Suspending versioning and then uploading an object, making its version ID null (each object can have only one object version whose ID is null) (a continuity of example 2)

      Request

      GET /?versions HTTP/1.1
Host: examplebucket-1250000000.cos.ap-beijing.myqcloud.com
Date: Thu, 10 Dec 2020 03:36:25 GMT
Authorization: q-sign-algorithm=sha1&q-ak=AKID8A0fBVtYFrNm02oY1g1JQQF0c3JO****&q-sign-time=1607571385;1607578585&q-key-time=1607571385;1607578585&q-header-list=date;host&q-url-param-list=versions&q-signature=a42ed543ef094e42c8159d8788c509933f20****
Connection: close

      Response

      HTTP/1.1 200 OK
Content-Type: application/xml
Content-Length: 2396
Connection: close
Date: Thu, 10 Dec 2020 03:36:25 GMT
Server: tencent-cos
x-cos-request-id: NWZkMTk3YjlfNDhhOTBiMDlfMTYzNTZfMTIw****

<ListVersionsResult>
  <Name>examplebucket-1250000000</Name>
  <Prefix/>
  <KeyMarker/>
  <VersionIdMarker/>
  <MaxKeys>1000</MaxKeys>
  <IsTruncated>false</IsTruncated>
  <Version>
      <Key>example-object-1.jpg</Key>
      <VersionId>null</VersionId>
      <IsLatest>true</IsLatest>
      <LastModified>2020-12-10T03:35:24.000Z</LastModified>
      <ETag>&quot;0f0cd12c48979d1bf3f95255a36cb861&quot;</ETag>
      <Size>20</Size>
      <StorageClass>STANDARD</StorageClass>
      <Owner>
          <ID>1250000000</ID>
          <DisplayName>1250000000</DisplayName>
      </Owner>
  </Version>
  <Version>
      <Key>example-object-2.jpg</Key>
      <VersionId>null</VersionId>
      <IsLatest>true</IsLatest>
      <LastModified>2020-12-10T03:36:15.000Z</LastModified>
      <ETag>&quot;51ffadb19b3bf062ecd0c6f044a4d4ce&quot;</ETag>
      <Size>23</Size>
      <StorageClass>STANDARD</StorageClass>
      <Owner>
          <ID>1250000000</ID>
          <DisplayName>1250000000</DisplayName>
      </Owner>
  </Version>
  <Version>
      <Key>example-object-2.jpg</Key>
      <VersionId>MTg0NDUxMzY1MDIzNjQ3NTcwMDk</VersionId>
      <IsLatest>false</IsLatest>
      <LastModified>2020-12-10T03:35:44.000Z</LastModified>
      <ETag>&quot;51ffadb19b3bf062ecd0c6f044a4d4ce&quot;</ETag>
      <Size>23</Size>
      <StorageClass>STANDARD_IA</StorageClass>
      <Owner>
          <ID>1250000000</ID>
          <DisplayName>1250000000</DisplayName>
      </Owner>
  </Version>
  <Version>
      <Key>example-object-3.jpg</Key>
      <VersionId>null</VersionId>
      <IsLatest>true</IsLatest>
      <LastModified>2020-12-10T03:36:15.000Z</LastModified>
      <ETag>&quot;b2f1d893c5fde000ee8ea6eca18ed81f&quot;</ETag>
      <Size>20</Size>
      <StorageClass>STANDARD</StorageClass>
      <Owner>
          <ID>1250000000</ID>
          <DisplayName>1250000000</DisplayName>
      </Owner>
  </Version>
  <DeleteMarker>
      <Key>example-object-3.jpg</Key>
      <VersionId>MTg0NDUxMzY1MDIzNTQ1ODM2NjE</VersionId>
      <IsLatest>false</IsLatest>
      <LastModified>2020-12-10T03:35:54.000Z</LastModified>
      <Owner>
          <ID>1250000000</ID>
          <DisplayName>1250000000</DisplayName>
      </Owner>
  </DeleteMarker>
  <Version>
      <Key>example-object-3.jpg</Key>
      <VersionId>MTg0NDUxMzY1MDIzNjQ3NjM2MDY</VersionId>
      <IsLatest>false</IsLatest>
      <LastModified>2020-12-10T03:35:44.000Z</LastModified>
      <ETag>&quot;b2f1d893c5fde000ee8ea6eca18ed81f&quot;</ETag>
      <Size>20</Size>
      <StorageClass>STANDARD</StorageClass>
      <Owner>
          <ID>1250000000</ID>
          <DisplayName>1250000000</DisplayName>
      </Owner>
  </Version>
</ListVersionsResult>

      Example 4. Specifying the encoding-type parameter (object keys are URL-encoded)

      Request

      GET /?versions&encoding-type=url HTTP/1.1
Host: examplebucket-1250000000.cos.ap-beijing.myqcloud.com
Date: Thu, 10 Dec 2020 04:54:22 GMT
Authorization: q-sign-algorithm=sha1&q-ak=AKID8A0fBVtYFrNm02oY1g1JQQF0c3JO****&q-sign-time=1607576062;1607583262&q-key-time=1607576062;1607583262&q-header-list=date;host&q-url-param-list=encoding-type;versions&q-signature=9dd5519032837d42fd3bf89fcdeed3889e7c****
Connection: close

      Response

      HTTP/1.1 200 OK
Content-Type: application/xml
Content-Length: 2167
Connection: close
Date: Thu, 10 Dec 2020 04:54:22 GMT
Server: tencent-cos
x-cos-request-id: NWZkMWE5ZmVfZTdjODJhMDlfMzgxZl8xMzQ1****

<ListVersionsResult>
  <EncodingType>url</EncodingType>
  <Name>examplebucket-1250000000</Name>
  <Prefix/>
  <KeyMarker/>
  <VersionIdMarker/>
  <MaxKeys>1000</MaxKeys>
  <IsTruncated>false</IsTruncated>
  <Version>
      <Key>Tencent%20Cloud.jpg</Key>
      <VersionId>MTg0NDUxMzY0OTc2NjcxNzE4NjA</VersionId>
      <IsLatest>true</IsLatest>
      <LastModified>2020-12-10T04:54:02.000Z</LastModified>
      <ETag>&quot;ee8de918d05640145b18f70f4c3aa602&quot;</ETag>
      <Size>16</Size>
      <StorageClass>STANDARD</StorageClass>
      <Owner>
          <ID>1250000000</ID>
          <DisplayName>1250000000</DisplayName>
      </Owner>
  </Version>
  <DeleteMarker>
      <Key>%E7%85%A7%E7%89%87/2020%E5%B9%B4/IMG0001.jpg</Key>
      <VersionId>MTg0NDUxMzY0OTc2NTY5MDU3OTc</VersionId>
      <IsLatest>true</IsLatest>
      <LastModified>2020-12-10T04:54:12.000Z</LastModified>
      <Owner>
          <ID>1250000000</ID>
          <DisplayName>1250000000</DisplayName>
      </Owner>
  </DeleteMarker>
  <Version>
      <Key>%E7%85%A7%E7%89%87/2020%E5%B9%B4/IMG0001.jpg</Key>
      <VersionId>MTg0NDUxMzY0OTc2NjcwNjMwMDQ</VersionId>
      <IsLatest>false</IsLatest>
      <LastModified>2020-12-10T04:54:02.000Z</LastModified>
      <ETag>&quot;ee8de918d05640145b18f70f4c3aa602&quot;</ETag>
      <Size>16</Size>
      <StorageClass>STANDARD</StorageClass>
      <Owner>
          <ID>1250000000</ID>
          <DisplayName>1250000000</DisplayName>
      </Owner>
  </Version>
  <Version>
      <Key>%E8%85%BE%E8%AE%AF%E4%BA%91.jpg</Key>
      <VersionId>MTg0NDUxMzY0OTc2NTY5MDA4NzU</VersionId>
      <IsLatest>true</IsLatest>
      <LastModified>2020-12-10T04:54:12.000Z</LastModified>
      <ETag>&quot;8bb76a43f75d3b96442c470f8ec23b89&quot;</ETag>
      <Size>16</Size>
      <StorageClass>STANDARD</StorageClass>
      <Owner>
          <ID>1250000000</ID>
          <DisplayName>1250000000</DisplayName>
      </Owner>
  </Version>
  <Version>
      <Key>%E8%85%BE%E8%AE%AF%E4%BA%91.jpg</Key>
      <VersionId>MTg0NDUxMzY0OTc2NjcxNzA2ODg</VersionId>
      <IsLatest>false</IsLatest>
      <LastModified>2020-12-10T04:54:02.000Z</LastModified>
      <ETag>&quot;dcc880c5eba9e002bc4567c733b0e63e&quot;</ETag>
      <Size>13</Size>
      <StorageClass>STANDARD</StorageClass>
      <Owner>
          <ID>1250000000</ID>
          <DisplayName>1250000000</DisplayName>
      </Owner>
  </Version>
</ListVersionsResult>

      Example 5. Specifying the delimiter parameter (listing object versions and subdirectories in the root directory)

      Request

      GET /?versions&delimiter=%2F HTTP/1.1
Host: examplebucket-1250000000.cos.ap-beijing.myqcloud.com
Date: Thu, 10 Dec 2020 07:04:03 GMT
Authorization: q-sign-algorithm=sha1&q-ak=AKID8A0fBVtYFrNm02oY1g1JQQF0c3JO****&q-sign-time=1607583843;1607591043&q-key-time=1607583843;1607591043&q-header-list=date;host&q-url-param-list=delimiter;versions&q-signature=9eaea1e6072c7175cb593e08b69223521217****
Connection: close

      Response

      HTTP/1.1 200 OK
Content-Type: application/xml
Content-Length: 1893
Connection: close
Date: Thu, 10 Dec 2020 07:04:03 GMT
Server: tencent-cos
x-cos-request-id: NWZkMWM4NjNfNzFjODJhMDlfMjlhZTRfMTg5****

<ListVersionsResult>
  <Name>examplebucket-1250000000</Name>
  <Prefix/>
  <KeyMarker/>
  <VersionIdMarker/>
  <MaxKeys>1000</MaxKeys>
  <IsTruncated>false</IsTruncated>
  <Delimiter>/</Delimiter>
  <CommonPrefixes>
      <Prefix>example-folder-1/</Prefix>
  </CommonPrefixes>
  <CommonPrefixes>
      <Prefix>example-folder-2/</Prefix>
  </CommonPrefixes>
  <DeleteMarker>
      <Key>example-object-1.jpg</Key>
      <VersionId>MTg0NDUxMzY0ODk4NzYzNTE4Nzk</VersionId>
      <IsLatest>true</IsLatest>
      <LastModified>2020-12-10T07:03:53.000Z</LastModified>
      <Owner>
          <ID>1250000000</ID>
          <DisplayName>1250000000</DisplayName>
      </Owner>
  </DeleteMarker>
  <Version>
      <Key>example-object-1.jpg</Key>
      <VersionId>MTg0NDUxMzY0ODk4ODY2NTcxMzY</VersionId>
      <IsLatest>false</IsLatest>
      <LastModified>2020-12-10T07:03:42.000Z</LastModified>
      <ETag>&quot;0f0cd12c48979d1bf3f95255a36cb861&quot;</ETag>
      <Size>20</Size>
      <StorageClass>STANDARD</StorageClass>
      <Owner>
          <ID>1250000000</ID>
          <DisplayName>1250000000</DisplayName>
      </Owner>
  </Version>
  <Version>
      <Key>example-object-2.jpg</Key>
      <VersionId>MTg0NDUxMzY0ODk4NzYzODYyODA</VersionId>
      <IsLatest>true</IsLatest>
      <LastModified>2020-12-10T07:03:53.000Z</LastModified>
      <ETag>&quot;51ffadb19b3bf062ecd0c6f044a4d4ce&quot;</ETag>
      <Size>23</Size>
      <StorageClass>INTELLIGENT_TIERING</StorageClass>
      <StorageTier>FREQUENT</StorageTier>
      <Owner>
          <ID>1250000000</ID>
          <DisplayName>1250000000</DisplayName>
      </Owner>
  </Version>
  <Version>
      <Key>example-object-2.jpg</Key>
      <VersionId>MTg0NDUxMzY0ODk4ODY2NTA0Mjk</VersionId>
      <IsLatest>false</IsLatest>
      <LastModified>2020-12-10T07:03:42.000Z</LastModified>
      <ETag>&quot;dcffaafe67632b2bd2dd0b9456eafca7&quot;</ETag>
      <Size>23</Size>
      <StorageClass>STANDARD_IA</StorageClass>
      <Owner>
          <ID>1250000000</ID>
          <DisplayName>1250000000</DisplayName>
      </Owner>
  </Version>
</ListVersionsResult>

      Example 6. Specifying the prefix and delimiter parameters (listing object versions and subdirectories in a specified subdirectory)

      Request

      GET /?versions&prefix=example-folder-1%2F&delimiter=%2F HTTP/1.1
Host: examplebucket-1250000000.cos.ap-beijing.myqcloud.com
Date: Thu, 10 Dec 2020 07:04:03 GMT
Authorization: q-sign-algorithm=sha1&q-ak=AKID8A0fBVtYFrNm02oY1g1JQQF0c3JO****&q-sign-time=1607583843;1607591043&q-key-time=1607583843;1607591043&q-header-list=date;host&q-url-param-list=delimiter;prefix;versions&q-signature=c09ffca0377304f9a12cb2d8e223ede35569****
Connection: close

      Response

      HTTP/1.1 200 OK
Content-Type: application/xml
Content-Length: 1960
Connection: close
Date: Thu, 10 Dec 2020 07:04:03 GMT
Server: tencent-cos
x-cos-request-id: NWZkMWM4NjNfZWVjODJhMDlfNTNmN18xNWNj****

<ListVersionsResult>
  <Name>examplebucket-1250000000</Name>
  <Prefix>example-folder-1/</Prefix>
  <KeyMarker/>
  <VersionIdMarker/>
  <MaxKeys>1000</MaxKeys>
  <IsTruncated>false</IsTruncated>
  <Delimiter>/</Delimiter>
  <CommonPrefixes>
      <Prefix>example-folder-1/sub-folder-1/</Prefix>
  </CommonPrefixes>
  <CommonPrefixes>
      <Prefix>example-folder-1/sub-folder-2/</Prefix>
  </CommonPrefixes>
  <DeleteMarker>
      <Key>example-folder-1/example-object-1.jpg</Key>
      <VersionId>MTg0NDUxMzY0ODk4NzYzNjE4NzA</VersionId>
      <IsLatest>true</IsLatest>
      <LastModified>2020-12-10T07:03:53.000Z</LastModified>
      <Owner>
    <ID>1250000000</ID>
    <DisplayName>1250000000</DisplayName>
      </Owner>
  </DeleteMarker>
  <Version>
      <Key>example-folder-1/example-object-1.jpg</Key>
      <VersionId>MTg0NDUxMzY0ODk4ODY2NTAzOTY</VersionId>
      <IsLatest>false</IsLatest>
      <LastModified>2020-12-10T07:03:42.000Z</LastModified>
      <ETag>&quot;f173c1199e3d3b53dd91223cae16fb42&quot;</ETag>
      <Size>37</Size>
      <StorageClass>STANDARD</StorageClass>
      <Owner>
    <ID>1250000000</ID>
    <DisplayName>1250000000</DisplayName>
      </Owner>
  </Version>
  <Version>
      <Key>example-folder-1/example-object-2.jpg</Key>
      <VersionId>MTg0NDUxMzY0ODk4NzYzNzc2ODY</VersionId>
      <IsLatest>true</IsLatest>
      <LastModified>2020-12-10T07:03:53.000Z</LastModified>
      <ETag>&quot;f52cc0bc2042d201b852385927bcab95&quot;</ETag>
      <Size>40</Size>
      <StorageClass>STANDARD</StorageClass>
      <Owner>
    <ID>1250000000</ID>
    <DisplayName>1250000000</DisplayName>
      </Owner>
  </Version>
  <Version>
      <Key>example-folder-1/example-object-2.jpg</Key>
      <VersionId>MTg0NDUxMzY0ODk4ODY2NjQ2NDc</VersionId>
      <IsLatest>false</IsLatest>
      <LastModified>2020-12-10T07:03:42.000Z</LastModified>
      <ETag>&quot;7b3be6c39746a970d628e6ab9f250342&quot;</ETag>
      <Size>40</Size>
      <StorageClass>STANDARD</StorageClass>
      <Owner>
    <ID>1250000000</ID>
    <DisplayName>1250000000</DisplayName>
      </Owner>
  </Version>
</ListVersionsResult>

      Example 7. Obtaining the first page of keys when there are more than one page (this example specifies max-keys. If not specified, the value 1000 is used by default. The sum of Version and DeleteMarker cannot exceed the value of max-keys)

      Request

      GET /?versions&max-keys=3 HTTP/1.1
Host: examplebucket-1250000000.cos.ap-beijing.myqcloud.com
Date: Tue, 08 Dec 2020 12:46:40 GMT
Authorization: q-sign-algorithm=sha1&q-ak=AKID8A0fBVtYFrNm02oY1g1JQQF0c3JO****&q-sign-time=1607431600;1607438800&q-key-time=1607431600;1607438800&q-header-list=date;host&q-url-param-list=max-keys;versions&q-signature=eddd43e98a9001e92f52896de6f8ce88bff5****
Connection: close

      Response

      HTTP/1.1 200 OK
Content-Type: application/xml
Content-Length: 1390
Connection: close
Date: Tue, 08 Dec 2020 12:46:40 GMT
Server: tencent-cos
x-cos-request-id: NWZjZjc1YjBfYjBhODBiMDlfZDU5Yl9jYjBl****

<ListVersionsResult>
  <Name>examplebucket-1250000000</Name>
  <Prefix/>
  <KeyMarker/>
  <VersionIdMarker/>
  <MaxKeys>3</MaxKeys>
  <IsTruncated>true</IsTruncated>
  <NextKeyMarker>example-object-2.jpg</NextKeyMarker>
  <NextVersionIdMarker>MTg0NDUxMzY2NDIxMjk3MzMwOTM</NextVersionIdMarker>
  <Version>
      <Key>example-object-1.jpg</Key>
      <VersionId>MTg0NDUxMzY2NDIxNTAwOTk4NzA</VersionId>
      <IsLatest>true</IsLatest>
      <LastModified>2020-12-08T12:45:59.000Z</LastModified>
      <ETag>&quot;15f0f671f04af108023b5603bea2bfda&quot;</ETag>
      <Size>23</Size>
      <StorageClass>STANDARD</StorageClass>
      <Owner>
    <ID>1250000000</ID>
    <DisplayName>1250000000</DisplayName>
      </Owner>
  </Version>
  <Version>
      <Key>example-object-1.jpg</Key>
      <VersionId>MTg0NDUxMzY2NDIxNjAyODcyNzk</VersionId>
      <IsLatest>false</IsLatest>
      <LastModified>2020-12-08T12:45:49.000Z</LastModified>
      <ETag>&quot;601389434817e2781d8efb35c0e44717&quot;</ETag>
      <Size>23</Size>
      <StorageClass>STANDARD</StorageClass>
      <Owner>
    <ID>1250000000</ID>
    <DisplayName>1250000000</DisplayName>
      </Owner>
  </Version>
  <DeleteMarker>
      <Key>example-object-2.jpg</Key>
      <VersionId>MTg0NDUxMzY2NDIxMjk3MzMwOTM</VersionId>
      <IsLatest>true</IsLatest>
      <LastModified>2020-12-08T12:46:19.000Z</LastModified>
      <Owner>
    <ID>1250000000</ID>
    <DisplayName>1250000000</DisplayName>
      </Owner>
  </DeleteMarker>
</ListVersionsResult>

      Example 8: Obtaining the subsequent pages with key-marker and version-id-marker specified (a continuity of example 7)

      Request

      GET /?versions&max-keys=3&key-marker=example-object-2.jpg&version-id-marker=MTg0NDUxMzY2NDIxMjk3MzMwOTM HTTP/1.1
Host: examplebucket-1250000000.cos.ap-beijing.myqcloud.com
Date: Tue, 08 Dec 2020 12:46:41 GMT
Authorization: q-sign-algorithm=sha1&q-ak=AKID8A0fBVtYFrNm02oY1g1JQQF0c3JO****&q-sign-time=1607431601;1607438801&q-key-time=1607431601;1607438801&q-header-list=date;host&q-url-param-list=key-marker;max-keys;version-id-marker;versions&q-signature=ad52682a1febcc068b6420432017daee8145****
Connection: close

      Response

      HTTP/1.1 200 OK
Content-Type: application/xml
Content-Length: 1052
Connection: close
Date: Tue, 08 Dec 2020 12:46:41 GMT
Server: tencent-cos
x-cos-request-id: NWZjZjc1YjFfNjljMDBiMDlfNjQwOV8xYjM2****

<ListVersionsResult>
  <Name>examplebucket-1250000000</Name>
  <Prefix/>
  <KeyMarker>example-object-2.jpg</KeyMarker>
  <VersionIdMarker>MTg0NDUxMzY2NDIxMjk3MzMwOTM</VersionIdMarker>
  <MaxKeys>3</MaxKeys>
  <IsTruncated>false</IsTruncated>
  <Version>
      <Key>example-object-2.jpg</Key>
      <VersionId>MTg0NDUxMzY2NDIxMzk5MDk1NzU</VersionId>
      <IsLatest>false</IsLatest>
      <LastModified>2020-12-08T12:46:09.000Z</LastModified>
      <ETag>&quot;51370fc64b79d0d3c7c609635be1c41f&quot;</ETag>
      <Size>20</Size>
      <StorageClass>STANDARD</StorageClass>
      <Owner>
    <ID>1250000000</ID>
    <DisplayName>1250000000</DisplayName>
      </Owner>
  </Version>
  <Version>
      <Key>example-object-3.jpg</Key>
      <VersionId>MTg0NDUxMzY2NDIxMTk1NTEyNDI</VersionId>
      <IsLatest>true</IsLatest>
      <LastModified>2020-12-08T12:46:30.000Z</LastModified>
      <ETag>&quot;b2f1d893c5fde000ee8ea6eca18ed81f&quot;</ETag>
      <Size>20</Size>
      <StorageClass>STANDARD</StorageClass>
      <Owner>
    <ID>1250000000</ID>
    <DisplayName>1250000000</DisplayName>
      </Owner>
  </Version>
</ListVersionsResult>

      Example 9. Specifying the object to start with using the key-marker parameter but not the version-id-marker parameter (a continuity of example 7)

      Request

      GET /?versions&max-keys=3&key-marker=example-object-2.jpg HTTP/1.1
Host: examplebucket-1250000000.cos.ap-beijing.myqcloud.com
Date: Tue, 08 Dec 2020 12:46:41 GMT
Authorization: q-sign-algorithm=sha1&q-ak=AKID8A0fBVtYFrNm02oY1g1JQQF0c3JO****&q-sign-time=1607431601;1607438801&q-key-time=1607431601;1607438801&q-header-list=date;host&q-url-param-list=key-marker;max-keys;versions&q-signature=0ed7ce0e8402e35b0ffd2fac429a638a56ea****
Connection: close

      Response

      HTTP/1.1 200 OK
Content-Type: application/xml
Content-Length: 610
Connection: close
Date: Tue, 08 Dec 2020 12:46:42 GMT
Server: tencent-cos
x-cos-request-id: NWZjZjc1YjJfZGZjMTBiMDlfNzAyYl8xMzkx****

<ListVersionsResult>
<Name>examplebucket-1250000000</Name>
<Prefix/>
<KeyMarker>example-object-2.jpg</KeyMarker>
<VersionIdMarker/>
<MaxKeys>3</MaxKeys>
<IsTruncated>false</IsTruncated>
<Version>
      <Key>example-object-3.jpg</Key>
      <VersionId>MTg0NDUxMzY2NDIxMTk1NTEyNDI</VersionId>
      <IsLatest>true</IsLatest>
      <LastModified>2020-12-08T12:46:30.000Z</LastModified>
      <ETag>&quot;b2f1d893c5fde000ee8ea6eca18ed81f&quot;</ETag>
      <Size>20</Size>
      <StorageClass>STANDARD</StorageClass>
      <Owner>
          <ID>1250000000</ID>
          <DisplayName>1250000000</DisplayName>
      </Owner>
</Version>
</ListVersionsResult>

      Example 10. Obtaining the first page of keys when there are more than one page (with delimiter specified and the sum of CommonPrefixes, Version, and DeleteMarker not exceeding the value of max-keys)

      Request

      GET /?versions&delimiter=%2F&max-keys=3 HTTP/1.1
Host: examplebucket-1250000000.cos.ap-beijing.myqcloud.com
Date: Wed, 09 Dec 2020 13:40:24 GMT
Authorization: q-sign-algorithm=sha1&q-ak=AKID8A0fBVtYFrNm02oY1g1JQQF0c3JO****&q-sign-time=1607521224;1607528424&q-key-time=1607521224;1607528424&q-header-list=date;host&q-url-param-list=delimiter;max-keys;versions&q-signature=fdd9031684c544bca32fae81da75b9216079****
Connection: close

      Response

      HTTP/1.1 200 OK
Content-Type: application/xml
Content-Length: 503
Connection: close
Date: Wed, 09 Dec 2020 13:40:24 GMT
Server: tencent-cos
x-cos-request-id: NWZkMGQzYzhfYmIwMmEwOV83OGU4XzZj****
<ListVersionsResult>
  <Name>examplebucket-1250000000</Name>
  <Prefix/>
  <KeyMarker/>
  <VersionIdMarker/>
  <MaxKeys>3</MaxKeys>
  <IsTruncated>true</IsTruncated>
  <NextKeyMarker>example-folder-3/</NextKeyMarker>
  <NextVersionIdMarker/>
  <Delimiter>/</Delimiter>
  <CommonPrefixes>
      <Prefix>example-folder-1/</Prefix>
  </CommonPrefixes>
  <CommonPrefixes>
      <Prefix>example-folder-2/</Prefix>
  </CommonPrefixes>
  <CommonPrefixes>
      <Prefix>example-folder-3/</Prefix>
  </CommonPrefixes>
</ListVersionsResult>

      Example 11. Obtaining the subsequent pages with delimiter specified and version-id-marker left empty (as the value of NextVersionIdMarker is empty on the first page) (a continuity of example 10)

      Request

      GET /?versions&delimiter=%2F&max-keys=3&key-marker=example-folder-3%2F&version-id-marker= HTTP/1.1
Host: examplebucket-1250000000.cos.ap-beijing.myqcloud.com
Date: Wed, 09 Dec 2020 14:02:32 GMT
Authorization: q-sign-algorithm=sha1&q-ak=AKID8A0fBVtYFrNm02oY1g1JQQF0c3JO****&q-sign-time=1607522552;1607529752&q-key-time=1607522552;1607529752&q-header-list=date;host&q-url-param-list=delimiter;key-marker;max-keys;version-id-marker;versions&q-signature=fd4b2ab426e4531be2e52c02d5bd0e747ee7****
Connection: close

      Response

      HTTP/1.1 200 OK
Content-Type: application/xml
Content-Length: 1115
Connection: close
Date: Wed, 09 Dec 2020 14:02:32 GMT
Server: tencent-cos
x-cos-request-id: NWZkMGQ4ZjhfZmVhODBiMDlfMTI3NzVfMTBj****

<ListVersionsResult>
  <Name>examplebucket-1250000000</Name>
  <Prefix/>
  <KeyMarker>example-folder-3/</KeyMarker>
  <VersionIdMarker/>
  <MaxKeys>3</MaxKeys>
  <IsTruncated>true</IsTruncated>
  <NextKeyMarker>example-object.jpg</NextKeyMarker>
  <NextVersionIdMarker>MTg0NDUxMzY1NTExNzc4NTYzMTk</NextVersionIdMarker>
  <Delimiter>/</Delimiter>
  <CommonPrefixes>
      <Prefix>example-folder-4/</Prefix>
  </CommonPrefixes>
  <Version>
      <Key>example-object.jpg</Key>
      <VersionId>MTg0NDUxMzY1NTExNjc2OTk4MjE</VersionId>
      <IsLatest>true</IsLatest>
      <LastModified>2020-12-09T14:02:21.000Z</LastModified>
      <ETag>&quot;3979f6bb23f827d258be64cc0d8df5fb&quot;</ETag>
      <Size>21</Size>
      <StorageClass>STANDARD</StorageClass>
      <Owner>
    <ID>1250000000</ID>
    <DisplayName>1250000000</DisplayName>
      </Owner>
  </Version>
  <DeleteMarker>
      <Key>example-object.jpg</Key>
      <VersionId>MTg0NDUxMzY1NTExNzc4NTYzMTk</VersionId>
      <IsLatest>false</IsLatest>
      <LastModified>2020-12-09T14:02:11.000Z</LastModified>
      <Owner>
    <ID>1250000000</ID>
    <DisplayName>1250000000</DisplayName>
      </Owner>
  </DeleteMarker>
</ListVersionsResult>
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