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/*
* Minimalist Object Storage, (C) 2015 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 api
import "net/http"
// Please read for more information - http://docs.aws.amazon.com/AmazonS3/latest/dev/acl-overview.html#canned-acl
//
// Here We are only supporting 'acl's through request headers not through their request body
// http://docs.aws.amazon.com/AmazonS3/latest/dev/acl-overview.html#setting-acls
// Minio only supports three types for now i.e 'private, public-read, public-read-write'
// ACLType - different acl types
type ACLType int
const (
unsupportedACLType ACLType = iota
privateACLType
publicReadACLType
publicReadWriteACLType
)
// Get acl type requested from 'x-amz-acl' header
func getACLType(req *http.Request) ACLType {
aclHeader := req.Header.Get("x-amz-acl")
if aclHeader != "" {
switch {
case aclHeader == "private":
return privateACLType
case aclHeader == "public-read":
return publicReadACLType
case aclHeader == "public-read-write":
return publicReadWriteACLType
default:
return unsupportedACLType
}
}
// make it default private
return privateACLType
}
// ACL type to human readable string
func getACLTypeString(acl ACLType) string {
switch acl {
case privateACLType:
{
return "private"
}
case publicReadACLType:
{
return "public-read"
}
case publicReadWriteACLType:
{
return "public-read-write"
}
case unsupportedACLType:
{
return ""
}
default:
return "private"
}
}