mirror of
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113 lines
3.0 KiB
Go
113 lines
3.0 KiB
Go
/*
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* Minio Client (C) 2015 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 client
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import (
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"io"
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"os"
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"regexp"
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"time"
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"unicode/utf8"
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)
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// Client - client interface
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type Client interface {
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MultipartUpload
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// Common operations
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Stat() (content *Content, err error)
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List() <-chan ContentOnChannel
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ListRecursive() <-chan ContentOnChannel
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// Bucket operations
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PutBucket() error
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PutBucketACL(acl string) error
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// Object operations
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Get() (body io.ReadCloser, size int64, md5 string, err error)
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GetPartial(offset, length int64) (body io.ReadCloser, size int64, md5 string, err error)
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Put(md5 string, size int64) (io.WriteCloser, error)
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}
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// MultipartUpload - multi part upload interface
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type MultipartUpload interface {
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InitiateMultiPartUpload() (objectID string, err error)
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UploadPart(uploadID string, body io.ReadSeeker, contentLength, partNumber int64) (md5hex string, err error)
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CompleteMultiPartUpload(uploadID string) (location, md5hex string, err error)
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AbortMultiPartUpload(uploadID string) error
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ListParts(uploadID string) (contents *PartContents, err error)
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}
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// Part - part xml response
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type Part struct {
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ETag string
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LastModified time.Time
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PartNumber int64
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Size int64
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}
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// PartContents - part xml contents response
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type PartContents struct {
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Key string
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UploadID string
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IsTruncated bool
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Parts []*Part
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}
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// ContentOnChannel - List contents on channel
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type ContentOnChannel struct {
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Content *Content
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Err error
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}
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// Content - object content list
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type Content struct {
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Name string
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Time time.Time
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Size int64
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FileType os.FileMode
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}
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// IsValidBucketName reports whether bucket is a valid bucket name, per Amazon's naming restrictions.
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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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if match, _ := regexp.MatchString("\\.\\.", bucket); match == true {
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return false
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}
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// We don't support buckets with '.' in them
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match, _ := regexp.MatchString("^[a-z][a-z0-9\\-]+[a-z0-9]$", bucket)
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return match
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}
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// IsValidObject - verify object name in accordance with
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// - http://docs.aws.amazon.com/AmazonS3/latest/dev/UsingMetadata.html
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func IsValidObject(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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