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/*
* Copyright 2010-2014 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License").
* You may not use this file except in compliance with the License.
* A copy of the License is located at
*
* http://aws.amazon.com/apache2.0
*
* or in the "license" file accompanying this file. This file is distributed
* on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
* express or implied. See the License for the specific language governing
* permissions and limitations under the License.
*/
package com.amazonaws.services.s3.model;
/**
* Specifies constants defining a canned access control list.
*
* Canned access control lists are commonly used access control lists (ACL) that can be
* used as a shortcut when applying an access control list to Amazon S3 buckets
* and objects. Only a few commonly used configurations are available, but they
* offer an alternative to manually creating a custom ACL. If more specific
* access control is desired, users can create a custom {@link AccessControlList}.
*
*
* @see AccessControlList
*/
public enum CannedAccessControlList {
/**
* Specifies the owner is granted {@link Permission#FullControl}. No one else has access rights.
*
* This is the default access control policy for any new buckets or objects.
*
*/
Private("private"),
/**
* Specifies the owner is granted {@link Permission#FullControl} and the
* {@link GroupGrantee#AllUsers} group grantee is granted
* {@link Permission#Read} access.
*
* If this policy is used on an object, it can be read from a browser without
* authentication.
*
*/
PublicRead("public-read"),
/**
* Specifies the owner is granted {@link Permission#FullControl} and the
* {@link GroupGrantee#AllUsers} group grantee is granted
* {@link Permission#Read} and {@link Permission#Write} access.
*
* This access policy is not recommended for general use.
*
*/
PublicReadWrite("public-read-write"),
/**
* Specifies the owner is granted {@link Permission#FullControl} and the
* {@link GroupGrantee#AuthenticatedUsers} group grantee is granted
* {@link Permission#Read} access.
*/
AuthenticatedRead("authenticated-read"),
/**
* Specifies the owner is granted {@link Permission#FullControl} and the
* {@link GroupGrantee#LogDelivery} group grantee is granted
* {@link Permission#Write} access so that access logs can be delivered.
*
* Use this access policy to enable Amazon S3 bucket logging for a bucket.
* The destination bucket requires these permissions so that access logs can
* be delivered.
*
*/
LogDeliveryWrite("log-delivery-write"),
/**
* Specifies the owner of the bucket, but not necessarily the same as the owner of the
* object, is granted {@link Permission#Read}.
*
* Use this access policy when uploading objects to another owner's bucket.
* This access policy grants the bucket owner read access to the object,
* but does not give read access for all users.
*
*/
BucketOwnerRead("bucket-owner-read"),
/**
* Specifies the owner of the bucket, but not necessarily the same as the owner of the
* object, is granted {@link Permission#FullControl}.
*
* Use this access policy to upload objects to another owner's bucket. This
* access policy grants the bucket owner full access to the object, but does
* not give full access to all users.
*
*/
BucketOwnerFullControl("bucket-owner-full-control");
/** The Amazon S3 x-amz-acl header value representing the canned acl */
private final String cannedAclHeader;
private CannedAccessControlList(String cannedAclHeader) {
this.cannedAclHeader = cannedAclHeader;
}
/**
* Returns the Amazon S3 x-amz-acl header value for this canned acl.
*/
public String toString() {
return cannedAclHeader;
}
}