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111 lines
2.9 KiB
111 lines
2.9 KiB
// Copyright © 2023 OpenIM. All rights reserved.
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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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package obj
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import (
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"context"
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"io"
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"net/http"
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"time"
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)
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type BucketObject struct {
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Bucket string `json:"bucket"`
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Name string `json:"name"`
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}
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type ApplyPutArgs struct {
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Bucket string
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Name string
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Effective time.Duration // 申请有效时间
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Header http.Header // header
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MaxObjectSize int64
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}
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type HeaderOption struct {
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ContentType string
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Filename string
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}
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type ObjectInfo struct {
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Size int64
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Hash string
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}
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type SizeReader interface {
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io.ReadCloser
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Size() int64
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}
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func NewSizeReader(r io.ReadCloser, size int64) SizeReader {
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if r == nil {
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return nil
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}
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return &sizeReader{
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size: size,
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ReadCloser: r,
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}
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}
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type sizeReader struct {
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size int64
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io.ReadCloser
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}
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func (r *sizeReader) Size() int64 {
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return r.size
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}
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type Interface interface {
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// Name 存储名字
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Name() string
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// MinFragmentSize 最小允许的分片大小
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MinFragmentSize() int64
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// MaxFragmentNum 最大允许的分片数量
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MaxFragmentNum() int
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// MinExpirationTime 最小过期时间
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MinExpirationTime() time.Duration
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// TempBucket 临时桶名，用于上传
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TempBucket() string
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// DataBucket 永久存储的桶名
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DataBucket() string
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// PresignedGetURL 通过桶名和对象名返回URL
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PresignedGetURL(
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ctx context.Context,
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bucket string,
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name string,
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expires time.Duration,
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opt *HeaderOption,
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) (string, error)
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// PresignedPutURL 申请上传,返回PUT的上传地址
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PresignedPutURL(ctx context.Context, args *ApplyPutArgs) (string, error)
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// GetObjectInfo 获取对象信息
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GetObjectInfo(ctx context.Context, args *BucketObject) (*ObjectInfo, error)
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// CopyObject 复制对象
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CopyObject(ctx context.Context, src *BucketObject, dst *BucketObject) error
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// DeleteObject 删除对象(不存在返回nil)
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DeleteObject(ctx context.Context, info *BucketObject) error
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// ComposeObject 合并对象
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ComposeObject(ctx context.Context, src []BucketObject, dst *BucketObject) error
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// IsNotFound 判断是不是不存在导致的错误
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IsNotFound(err error) bool
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// CheckName 检查名字是否可用
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CheckName(name string) error
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// PutObject 上传文件
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PutObject(ctx context.Context, info *BucketObject, reader io.Reader, size int64) (*ObjectInfo, error)
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// GetObject 下载文件
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GetObject(ctx context.Context, info *BucketObject) (SizeReader, error)
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}
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