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Access Control

Terakhir diperbarui:2024-02-04 16:24:44

    Overview

    This document provides an overview of APIs and SDK code samples for for the ACL of buckets and objects.
    Bucket ACL
    API
    Operation
    Description
    Setting bucket ACL
    Sets the ACL for the specified bucket
    Querying bucket ACL
    Queries the ACL of a specified bucket
    Object ACL
    API
    Operation
    Description
    Setting an object ACL
    Sets an ACL for an object in a bucket
    Querying an object ACL
    Queries the ACL of an object

    Bucket ACL

    Setting a bucket ACL

    Description

    The API (PUT Bucket acl) is used to set the ACL for a specified bucket. The AccessControlPolicy parameter and other permission parameters are mutually exclusive and cannot be specified at the same time.

    Method prototype

    put_bucket_acl(Bucket, AccessControlPolicy={}, **kwargs)

    Sample request

    # -*- coding=utf-8
    from qcloud_cos import CosConfig
    from qcloud_cos import CosS3Client
    import sys
    import os
    import logging
    
    # In most cases, set the log level to INFO. If you need to debug, you can set it to DEBUG and the SDK will print the communication information of the client.
    logging.basicConfig(level=logging.INFO, stream=sys.stdout)
    
    # 1. Set user attributes such as secret_id, secret_key, and region. Appid has been removed from CosConfig and thus needs to be specified in Bucket, which is formatted as BucketName-Appid.
    secret_id = os.environ['COS_SECRET_ID'] # User `SecretId`. We recommend you use a sub-account key and follow the principle of least privilege to reduce risks. For information about how to obtain a sub-account key, visit https://www.tencentcloud.com/document/product/598/32675.
    secret_key = os.environ['COS_SECRET_KEY'] # User `SecretKey`. We recommend you use a sub-account key and follow the principle of least privilege to reduce risks. For information about how to obtain a sub-account key, visit https://www.tencentcloud.com/document/product/598/32675.
    
    region = 'ap-beijing' # Replace it with the actual region, which can be viewed in the console at https://console.tencentcloud.com/cos5/bucket
    # For the list of regions supported by COS, see https://www.tencentcloud.com/document/product/436/6224
    token = None # Token is required for temporary keys but not permanent keys. For more information about how to generate and use a temporary key, visit https://www.tencentcloud.com/document/product/436/14048
    scheme = 'https' # Specify whether to use HTTP or HTTPS protocol to access COS. This field is optional and is `https` by default
    
    config = CosConfig(Region=region, SecretId=secret_id, SecretKey=secret_key, Token=token, Scheme=scheme)
    client = CosS3Client(config)
    
    response = client.put_bucket_acl(
    Bucket='examplebucket-1250000000',
    ACL='public-read'
    )

    Sample request with all parameters

    response = client.put_bucket_acl(
    Bucket='examplebucket-1250000000',
    ACL='private'|'public-read'|'public-read-write',
    GrantFullControl='id="100000000002"',
    GrantRead='id="100000000003",id="100000000004"',
    GrantWrite='id="100000000005"',
    AccessControlPolicy={
    'AccessControlList': {
    'Grant': [
    {
    'Grantee': {
    'DisplayName': 'qcs::cam::uin/100000000002:uin/100000000002',
    'Type': 'CanonicalUser'|'Group',
    'ID': 'qcs::cam::uin/100000000002:uin/100000000002', # The ID is required when `Type` is `CanonicalUser`
    'URI': 'http://cam.qcloud.com/groups/global/AllUsers' # The URI is required when `Type` is `Group`
    },
    'Permission': 'FULL_CONTROL'|'WRITE'|'READ'
    },
    ]
    },
    'Owner': {
    'DisplayName': 'qcs::cam::uin/100000000001:uin/100000000001',
    'ID': 'qcs::cam::uin/100000000001:uin/100000000001' # It must be the ID of the bucket owner
    }
    }
    )

    Parameter description

    Parameter
    Description
    Type
    Required
    Bucket
    Bucket name in the format of BucketName-APPID
    String
    Yes
    ACL
    ACL of the bucket, such as private, public-read, and public-read-write. For more information, see ACL.
    String
    No
    GrantFullControl
    Grants a specified account read/write permission for a bucket in the format of id="OwnerUin". You can use commas (,) to separate multiple users, for example, id="100000000001",id="100000000002".
    string
    No
    GrantRead
    Grants a specified account read permission for a bucket in the format of id="OwnerUin". You can use commas (,) to separate multiple users, for example, id="100000000001",id="100000000002".
    string
    No
    GrantWrite
    Grants a specified account write permission for a bucket in the format of id="OwnerUin". You can use commas (,) to separate multiple users, for example, id="100000000001",id="100000000002".
    string
    No
    AccessControlPolicy
    Grants a specified account access permission for a bucket. This parameter and other permission parameters are mutually exclusive and cannot be specified at the same time.
    Dict
    No
    AccessControlPolicy parameter description:
    Parameter
    Description
    Type
    Required
    Owner
    Information on the bucket owner, including DisplayName and ID
    Dict
    Yes
    AccessControlList
    Information on the user to whom a bucket permission is granted, including Grant list
    Dict
    Yes
    Owner parameter description:
    Parameter
    Description
    Type
    Required
    ID
    ID of the grantee when Type is CanonicalUser, in the format of qcs::cam::uin/[OwnerUin]:uin/[OwnerUin], for example, qcs::cam::uin/100000000001:uin/100000000001.
    string
    Yes
    DisplayName
    Name of the grantee. This parameter can be left empty or be consistent with the value of ID
    String
    No
    AccessControlList parameter description:
    Parameter
    Description
    Type
    Required
    Grant
    Information on the user to whom a bucket permission is granted, including Grantee and Permission
    List
    Yes
    Grantee
    Information on the grantee, including DisplayName, Type, ID, and URI
    Dict
    Yes
    Type
    Type of the grantee: CanonicalUser or Group
    String
    Yes
    ID
    ID of the grantee when Type is CanonicalUser, in the format of qcs::cam::uin/[OwnerUin]:uin/[OwnerUin], for example, qcs::cam::uin/100000000001:uin/100000000001.
    String
    Yes when Type is CanonicalUser
    URI
    URI of the preset user group when Type is Group, for example, http://cam.qcloud.com/groups/global/AllUsers. For more information, see ACL.
    String
    Yes when Type is Group
    Permission
    Bucket permissions granted to the grantee. Valid values: FULL_CONTROL (read/write permission), WRITE (write permission), and READ (read permission)
    String
    Yes

    Response description

    This API returns None.

    Querying a bucket ACL

    Description

    This API is used to query the ACL of a specified bucket.

    Method prototype

    get_bucket_acl(Bucket, **kwargs)

    Sample request

    # -*- coding=utf-8
    from qcloud_cos import CosConfig
    from qcloud_cos import CosS3Client
    import sys
    import os
    import logging
    
    # In most cases, set the log level to INFO. If you need to debug, you can set it to DEBUG and the SDK will print the communication information of the client.
    logging.basicConfig(level=logging.INFO, stream=sys.stdout)
    
    # 1. Set user attributes such as secret_id, secret_key, and region. Appid has been removed from CosConfig and thus needs to be specified in Bucket, which is formatted as BucketName-Appid.
    secret_id = os.environ['COS_SECRET_ID'] # User `SecretId`. We recommend you use a sub-account key and follow the principle of least privilege to reduce risks. For information about how to obtain a sub-account key, visit https://www.tencentcloud.com/document/product/598/32675.
    secret_key = os.environ['COS_SECRET_KEY'] # User `SecretKey`. We recommend you use a sub-account key and follow the principle of least privilege to reduce risks. For information about how to obtain a sub-account key, visit https://www.tencentcloud.com/document/product/598/32675.
    
    region = 'ap-beijing' # Replace it with the actual region, which can be viewed in the console at https://console.tencentcloud.com/cos5/bucket
    # For the list of regions supported by COS, see https://www.tencentcloud.com/document/product/436/6224
    token = None # Token is required for temporary keys but not permanent keys. For more information about how to generate and use a temporary key, visit https://www.tencentcloud.com/document/product/436/14048
    scheme = 'https' # Specify whether to use HTTP or HTTPS protocol to access COS. This field is optional and is `https` by default
    
    config = CosConfig(Region=region, SecretId=secret_id, SecretKey=secret_key, Token=token, Scheme=scheme)
    client = CosS3Client(config)
    
    response = client.get_bucket_acl(
    Bucket='examplebucket-1250000000'
    )

    Parameter description

    Parameter
    Description
    Type
    Required
    Bucket
    Bucket name in the format of BucketName-APPID
    String
    Yes

    Response description

    This response returns bucket ACL information in Dict format.
    {
    'Owner': {
    'DisplayName': 'qcs::cam::uin/100000000001:uin/100000000001',
    'ID': 'qcs::cam::uin/100000000001:uin/100000000001'
    },
    'AccessControlList': {
    'Grant': [
    {
    'Grantee': {
    'DisplayName': 'qcs::cam::uin/100000000002:uin/100000000002',
    'Type': 'CanonicalUser'|'Group',
    'ID': 'qcs::cam::uin/100000000002:uin/100000000002',
    'URI': 'http://cam.qcloud.com/groups/global/AllUsers'
    },
    'Permission': 'FULL_CONTROL'|'WRITE'|'READ'
    },
    ]
    }
    }
    Parameter
    Description
    Type
    Owner
    Information on the bucket owner, including DisplayName and ID. For more information, see PUT Bucket acl.
    Dict
    AccessControlList
    Information on the user to whom a bucket permission is granted, including Grant list. For more information, see PUT Bucket acl.
    Dict

    Object ACL

    Setting an object ACL

    Description

    The API is used to set the ACL for an object in a bucket. The AccessControlPolicy parameter and other permission parameters cannot be specified at the same time.

    Method prototype

    put_object_acl(Bucket, Key, AccessControlPolicy={}, **kwargs)

    Sample request

    # -*- coding=utf-8
    from qcloud_cos import CosConfig
    from qcloud_cos import CosS3Client
    import sys
    import os
    import logging
    
    # In most cases, set the log level to INFO. If you need to debug, you can set it to DEBUG and the SDK will print the communication information of the client.
    logging.basicConfig(level=logging.INFO, stream=sys.stdout)
    
    # 1. Set user attributes such as secret_id, secret_key, and region. Appid has been removed from CosConfig and thus needs to be specified in Bucket, which is formatted as BucketName-Appid.
    secret_id = os.environ['COS_SECRET_ID'] # User `SecretId`. We recommend you use a sub-account key and follow the principle of least privilege to reduce risks. For information about how to obtain a sub-account key, visit https://www.tencentcloud.com/document/product/598/32675.
    secret_key = os.environ['COS_SECRET_KEY'] # User `SecretKey`. We recommend you use a sub-account key and follow the principle of least privilege to reduce risks. For information about how to obtain a sub-account key, visit https://www.tencentcloud.com/document/product/598/32675.
    
    region = 'ap-beijing' # Replace it with the actual region, which can be viewed in the console at https://console.tencentcloud.com/cos5/bucket
    # For the list of regions supported by COS, see https://www.tencentcloud.com/document/product/436/6224
    token = None # Token is required for temporary keys but not permanent keys. For more information about how to generate and use a temporary key, visit https://www.tencentcloud.com/document/product/436/14048
    scheme = 'https' # Specify whether to use HTTP or HTTPS protocol to access COS. This field is optional and is `https` by default
    
    config = CosConfig(Region=region, SecretId=secret_id, SecretKey=secret_key, Token=token, Scheme=scheme)
    client = CosS3Client(config)
    
    response = client.put_object_acl(
    Bucket='examplebucket-1250000000',
    Key='exampleobject',
    ACL='public-read'
    )

    Sample request with all parameters

    response = client.put_object_acl(
    Bucket='examplebucket-1250000000',
    Key='exampleobject',
    ACL='default'|'private'|'public-read',
    GrantFullControl='id="100000000003"',
    GrantRead='id="100000000003",id="100000000004"',
    AccessControlPolicy={
    'AccessControlList': {
    'Grant': [
    {
    'Grantee': {
    'DisplayName': 'qcs::cam::uin/100000000002:uin/100000000002',
    'Type': 'CanonicalUser'|'Group',
    'ID': 'qcs::cam::uin/100000000002:uin/100000000002', # The ID is required when `Type` is `CanonicalUser`
    'URI': 'http://cam.qcloud.com/groups/global/AllUsers' # The URI is required when `Type` is `Group`
    },
    'Permission': 'FULL_CONTROL'|'READ'
    },
    ]
    },
    'Owner': {
    'DisplayName': 'qcs::cam::uin/100000000001:uin/100000000001',
    'ID': 'qcs::cam::uin/100000000001:uin/100000000001'
    }
    }
    )

    Parameter description

    Parameter
    Description
    Type
    Required
    Bucket
    Bucket name in the format of BucketName-APPID
    String
    Yes
    Key
    Object key, which uniquely identifies an object in a bucket. For example, if an object's access endpoint is examplebucket-1250000000.cos.ap-guangzhou.myqcloud.com/doc/pic.jpg, its key is doc/pic.jpg.
    String
    Yes
    ACL
    ACL of the object, such as default, private, and public-read. For more information, see ACL.
    String
    No
    GrantFullControl
    Grants a specified account full permission for an object in the format of id="OwnerUin". You can use commas (,) to separate multiple users, for example, id="100000000001",id="100000000002".
    string
    No
    GrantRead
    Grants a specified account read permission for an object in the format of id="OwnerUin". You can use commas (,) to separate multiple users, for example, id="100000000001",id="100000000002".
    string
    No
    AccessControlPolicy
    Grants a specified account access permission for an object. This parameter and other permission parameters are mutually exclusive and cannot be specified at the same time.
    Dict
    No
    AccessControlPolicy parameter description:
    Parameter
    Description
    Type
    Required
    Owner
    Information on the bucket owner, including DisplayName and ID
    Dict
    Yes
    AccessControlList
    Information on the user to whom a bucket permission is granted, including Grant list
    Dict
    Yes
    Owner parameter description:
    Parameter
    Description
    Type
    Required
    ID
    ID of the grantee when Type is CanonicalUser, in the format of qcs::cam::uin/[OwnerUin]:uin/[OwnerUin], for example, qcs::cam::uin/100000000001:uin/100000000001.
    string
    Yes
    DisplayName
    Name of the grantee. This parameter can be left empty or be consistent with the value of ID
    String
    No
    AccessControlList parameter description:
    Parameter
    Description
    Type
    Required
    Grant
    Information on the user to whom a bucket permission is granted, including Grantee and Permission
    List
    Yes
    Grantee
    Information on the grantee, including DisplayName, Type, ID, and URI
    Dict
    Yes
    Type
    Type of the grantee: CanonicalUser or Group
    String
    Yes
    ID
    ID of the grantee when Type is CanonicalUser, in the format of qcs::cam::uin/[OwnerUin]:uin/[OwnerUin], for example, qcs::cam::uin/100000000001:uin/100000000001.
    String
    Yes when Type is CanonicalUser
    URI
    URI of the preset user group when Type is Group, for example, http://cam.qcloud.com/groups/global/AllUsers. For more information, see ACL.
    String
    Yes when Type is Group
    Permission
    Permissions granted to the grantee. Valid values: FULL_CONTROL (full access) and READ (read permission)
    String
    Yes

    Response description

    This API returns None.

    Querying an object ACL

    Description

    The API is used to query the ACL of an object.

    Method prototype

    get_object_acl(Bucket, Key, **kwargs)

    Sample request

    # -*- coding=utf-8
    from qcloud_cos import CosConfig
    from qcloud_cos import CosS3Client
    import sys
    import os
    import logging
    
    # In most cases, set the log level to INFO. If you need to debug, you can set it to DEBUG and the SDK will print the communication information of the client.
    logging.basicConfig(level=logging.INFO, stream=sys.stdout)
    
    # 1. Set user attributes such as secret_id, secret_key, and region. Appid has been removed from CosConfig and thus needs to be specified in Bucket, which is formatted as BucketName-Appid.
    secret_id = os.environ['COS_SECRET_ID'] # User `SecretId`. We recommend you use a sub-account key and follow the principle of least privilege to reduce risks. For information about how to obtain a sub-account key, visit https://www.tencentcloud.com/document/product/598/32675.
    secret_key = os.environ['COS_SECRET_KEY'] # User `SecretKey`. We recommend you use a sub-account key and follow the principle of least privilege to reduce risks. For information about how to obtain a sub-account key, visit https://www.tencentcloud.com/document/product/598/32675.
    
    region = 'ap-beijing' # Replace it with the actual region, which can be viewed in the console at https://console.tencentcloud.com/cos5/bucket
    # For the list of regions supported by COS, see https://www.tencentcloud.com/document/product/436/6224
    token = None # Token is required for temporary keys but not permanent keys. For more information about how to generate and use a temporary key, visit https://www.tencentcloud.com/document/product/436/14048
    scheme = 'https' # Specify whether to use HTTP or HTTPS protocol to access COS. This field is optional and is `https` by default
    
    config = CosConfig(Region=region, SecretId=secret_id, SecretKey=secret_key, Token=token, Scheme=scheme)
    client = CosS3Client(config)
    
    response = client.get_object_acl(
    Bucket='examplebucket-1250000000',
    Key='exampleobject'
    )

    Parameter description

    Parameter
    Description
    Type
    Required
    Bucket
    Bucket name in the format of BucketName-APPID
    String
    Yes
    Key
    Object key, which uniquely identifies an object in a bucket. For example, if an object's access endpoint is examplebucket-1250000000.cos.ap-guangzhou.myqcloud.com/doc/pic.jpg, its key is doc/pic.jpg.
    String
    Yes

    Response description

    Object ACL information in dict type:
    {
    'Owner': {
    'DisplayName': 'qcs::cam::uin/100000000001:uin/100000000001',
    'ID': 'qcs::cam::uin/100000000001:uin/100000000001'
    },
    'AccessControlList': {
    'Grant': [
    {
    'Grantee': {
    'DisplayName': 'qcs::cam::uin/100000000002:uin/100000000002',
    'Type': 'CanonicalUser'|'Group',
    'ID': 'qcs::cam::uin/100000000002:uin/100000000002',
    'URI': 'http://cam.qcloud.com/groups/global/AllUsers'
    },
    'Permission': 'FULL_CONTROL'|'READ'
    },
    ]
    }
    }
    Parameter
    Description
    Type
    Owner
    Information on the object owner, including DisplayName and ID. For more information, see PUT Object acl.
    Dict
    AccessControlList
    Information on the user to whom an object permission is granted, including Grant list. For more information, see PUT Object acl.
    Dict
    
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