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efc80343e3
ObjectAPI interface brings in changes needed for XL ObjectAPI layer.
The new interface for any ObjectAPI layer is as below
```
// ObjectAPI interface.
type ObjectAPI interface {
// Bucket resource API.
DeleteBucket(bucket string) *probe.Error
ListBuckets() ([]BucketInfo, *probe.Error)
MakeBucket(bucket string) *probe.Error
GetBucketInfo(bucket string) (BucketInfo, *probe.Error)
// Bucket query API.
ListObjects(bucket, prefix, marker, delimiter string, maxKeys int) (ListObjectsResult, *probe.Error)
ListMultipartUploads(bucket string, resources BucketMultipartResourcesMetadata) (BucketMultipartResourcesMetadata, *probe.Error)
// Object resource API.
GetObject(bucket, object string, startOffset int64) (io.ReadCloser, *probe.Error)
GetObjectInfo(bucket, object string) (ObjectInfo, *probe.Error)
PutObject(bucket string, object string, size int64, data io.Reader, metadata map[string]string) (ObjectInfo, *probe.Error)
DeleteObject(bucket, object string) *probe.Error
// Object query API.
NewMultipartUpload(bucket, object string) (string, *probe.Error)
PutObjectPart(bucket, object, uploadID string, partID int, size int64, data io.Reader, md5Hex string) (string, *probe.Error)
ListObjectParts(bucket, object string, resources ObjectResourcesMetadata) (ObjectResourcesMetadata, *probe.Error)
CompleteMultipartUpload(bucket string, object string, uploadID string, parts []CompletePart) (ObjectInfo, *probe.Error)
AbortMultipartUpload(bucket, object, uploadID string) *probe.Error
}
```
66 lines
1.9 KiB
Go
66 lines
1.9 KiB
Go
/*
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* Minio Cloud Storage, (C) 2015, 2016 Minio, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package main
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import (
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"regexp"
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"unicode/utf8"
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)
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// validBucket regexp.
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var validBucket = regexp.MustCompile(`^[a-z0-9][a-z0-9\.\-]{1,61}[a-z0-9]$`)
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// IsValidBucketName verifies a bucket name in accordance with Amazon's
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// requirements. It must be 3-63 characters long, can contain dashes
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// and periods, but must begin and end with a lowercase letter or a number.
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// See: http://docs.aws.amazon.com/AmazonS3/latest/dev/BucketRestrictions.html
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func IsValidBucketName(bucket string) bool {
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if len(bucket) < 3 || len(bucket) > 63 {
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return false
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}
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if bucket[0] == '.' || bucket[len(bucket)-1] == '.' {
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return false
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}
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return validBucket.MatchString(bucket)
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}
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// IsValidObjectName verifies an object name in accordance with Amazon's
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// requirements. It cannot exceed 1024 characters and must be a valid UTF8
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// string.
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// See: http://docs.aws.amazon.com/AmazonS3/latest/dev/UsingMetadata.html
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func IsValidObjectName(object string) bool {
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if len(object) > 1024 || len(object) == 0 {
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return false
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}
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if !utf8.ValidString(object) {
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return false
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}
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return true
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}
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// IsValidObjectPrefix verifies whether the prefix is a valid object name.
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// Its valid to have a empty prefix.
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func IsValidObjectPrefix(object string) bool {
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// Prefix can be empty.
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if object == "" {
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return true
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}
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// Verify if prefix is a valid object name.
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return IsValidObjectName(object)
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}
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