Google Cloud Storage

BucketAccessControls

The BucketAccessControls resources represent the Access Control Lists (ACLs) for buckets within Google Cloud Storage. ACLs let you specify who has access to your data and to what extent.

There are three roles that can be assigned to an entity:

  • READERs can get the bucket, though no acl property will be returned, and list the bucket's objects.
  • WRITERs are READERs, and they can insert objects into the bucket and delete the bucket's objects.
  • OWNERs are WRITERs, and they can get the acl property of a bucketupdate a bucket and call all bucketAccessControls methods on the bucket.
For more information, see Access Control, with the caveat that this API uses READER, WRITER, and OWNER instead of READ, WRITE, and FULL_CONTROL.

For a list of methods for this resource, see the end of this page.

Resource representations

An access-control entry.

{
  "kind": "storage#bucketAccessControl",
  "id": string,
  "selfLink": string,
  "bucket": string,
  "entity": string,
  "role": string,
  "email": string,
  "entityId": string,
  "domain": string,
  "etag": string
}
Property name Value Description Notes
bucket string The name of the bucket.
domain string The domain associated with the entity, if any.
email string The email address associated with the entity, if any.
entity string The entity holding the permission, in one of the following forms:
  • user-userId
  • user-email
  • group-groupId
  • group-email
  • domain-domain
  • allUsers
  • allAuthenticatedUsers
Examples:
  • The user liz@example.com would be user-liz@example.com.
  • The group example@googlegroups.com would be group-example@googlegroups.com.
  • To refer to all members of the Google Apps for Business domain example.com, the entity would be domain-example.com.
writable
entityId string The ID for the entity, if any.
etag string HTTP 1.1 Entity tag for the access-control entry.
id string The ID of the access-control entry.
kind string The kind of item this is. For bucket access control entries, this is always storage#bucketAccessControl.
role string The access permission for the entity. Can be READER, WRITER, or OWNER. writable

Methods

Every bucket in Google Cloud Storage has an Access Control List. The methods for working with a bucket's access controls are as follows:

delete
Permanently deletes the ACL entry for the specified entity on the specified bucket.
get
Returns the ACL entry for the specified entity on the specified bucket.
insert
Creates a new ACL entry on the specified bucket.
list
Retrieves ACL entries on a specified bucket.
patch
Updates an ACL entry on the specified bucket. This method supports patch semantics.
update
Updates an ACL entry on the specified bucket.

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