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minio/pkg/fs/fs-bucket-acl.go

96 lines
2.4 KiB

/*
* Minio Cloud Storage, (C) 2015, 2016 Minio, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License 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 fs
// IsPrivateBucket - is private bucket
func (fs Filesystem) IsPrivateBucket(bucket string) bool {
fs.rwLock.Lock()
defer fs.rwLock.Unlock()
bucketMetadata, ok := fs.buckets.Metadata[bucket]
if !ok {
return true
}
return bucketMetadata.ACL.IsPrivate()
}
// IsPublicBucket - is public bucket
func (fs Filesystem) IsPublicBucket(bucket string) bool {
fs.rwLock.Lock()
defer fs.rwLock.Unlock()
bucketMetadata, ok := fs.buckets.Metadata[bucket]
if !ok {
return true
}
return bucketMetadata.ACL.IsPublicReadWrite()
}
// IsReadOnlyBucket - is read only bucket
func (fs Filesystem) IsReadOnlyBucket(bucket string) bool {
fs.rwLock.Lock()
defer fs.rwLock.Unlock()
bucketMetadata, ok := fs.buckets.Metadata[bucket]
if !ok {
return true
}
return bucketMetadata.ACL.IsPublicRead()
}
// BucketACL - bucket level access control
type BucketACL string
// different types of ACL's currently supported for buckets
const (
BucketPrivate = BucketACL("private")
BucketPublicRead = BucketACL("public-read")
BucketPublicReadWrite = BucketACL("public-read-write")
)
func (b BucketACL) String() string {
return string(b)
}
// IsPrivate - is acl Private
func (b BucketACL) IsPrivate() bool {
return b == BucketACL("private")
}
// IsPublicRead - is acl PublicRead
func (b BucketACL) IsPublicRead() bool {
return b == BucketACL("public-read")
}
// IsPublicReadWrite - is acl PublicReadWrite
func (b BucketACL) IsPublicReadWrite() bool {
return b == BucketACL("public-read-write")
}
// IsValidBucketACL - is provided acl string supported
func IsValidBucketACL(acl string) bool {
switch acl {
case "private":
fallthrough
case "public-read":
fallthrough
case "public-read-write":
return true
case "":
// by default its "private"
return true
default:
return false
}
}