mirror of
https://github.com/minio/minio.git
synced 2024-12-26 23:25:54 -05:00
110 lines
2.7 KiB
Go
110 lines
2.7 KiB
Go
/*
|
|
* 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 donut
|
|
|
|
import (
|
|
"regexp"
|
|
"strings"
|
|
"unicode/utf8"
|
|
)
|
|
|
|
// 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
|
|
}
|
|
}
|
|
|
|
// IsValidBucket - verify bucket name in accordance with
|
|
// - http://docs.aws.amazon.com/AmazonS3/latest/dev/UsingBucket.html
|
|
func IsValidBucket(bucket string) bool {
|
|
if len(bucket) < 3 || len(bucket) > 63 {
|
|
return false
|
|
}
|
|
if bucket[0] == '.' || bucket[len(bucket)-1] == '.' {
|
|
return false
|
|
}
|
|
if match, _ := regexp.MatchString("\\.\\.", bucket); match == true {
|
|
return false
|
|
}
|
|
// We don't support buckets with '.' in them
|
|
match, _ := regexp.MatchString("^[a-zA-Z][a-zA-Z0-9\\-]+[a-zA-Z0-9]$", bucket)
|
|
return match
|
|
}
|
|
|
|
// IsValidObjectName - verify object name in accordance with
|
|
// - http://docs.aws.amazon.com/AmazonS3/latest/dev/UsingMetadata.html
|
|
func IsValidObjectName(object string) bool {
|
|
if strings.TrimSpace(object) == "" {
|
|
return false
|
|
}
|
|
if len(object) > 1024 || len(object) == 0 {
|
|
return false
|
|
}
|
|
if !utf8.ValidString(object) {
|
|
return false
|
|
}
|
|
return true
|
|
}
|
|
|
|
// IsValidPrefix - verify prefix name is correct, an empty prefix is valid
|
|
func IsValidPrefix(prefix string) bool {
|
|
if strings.TrimSpace(prefix) == "" {
|
|
return true
|
|
}
|
|
return IsValidObjectName(prefix)
|
|
}
|