luhaoling
2 years ago
commit
36f13eadde
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// 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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// docURL: https://docs.aws.amazon.com/AmazonS3/latest/API/Welcome.html
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package aws
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import (
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"context"
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"errors"
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"fmt"
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"time"
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"github.com/aws/aws-sdk-go/aws"
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"github.com/aws/aws-sdk-go/aws/awserr"
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"github.com/aws/aws-sdk-go/aws/credentials"
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"github.com/aws/aws-sdk-go/aws/session"
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sdk "github.com/aws/aws-sdk-go/service/s3"
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"github.com/openimsdk/open-im-server/v3/pkg/common/config"
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"github.com/openimsdk/open-im-server/v3/pkg/common/db/s3"
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)
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const (
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minPartSize int64 = 1024 * 1024 * 1 // 1MB
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maxPartSize int64 = 1024 * 1024 * 1024 * 5 // 5GB
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maxNumSize int64 = 10000
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)
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// const (
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// imagePng = "png"
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// imageJpg = "jpg"
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// imageJpeg = "jpeg"
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// imageGif = "gif"
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// imageWebp = "webp"
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// )
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// const successCode = http.StatusOK
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// const (
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// videoSnapshotImagePng = "png"
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// videoSnapshotImageJpg = "jpg"
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// )
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func NewAWS() (s3.Interface, error) {
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conf := config.Config.Object.Aws
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credential := credentials.NewStaticCredentials(
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conf.AccessKeyID, // accessKey
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conf.AccessKeySecret, // secretKey
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"") // sts的临时凭证
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sess, err := session.NewSession(&aws.Config{
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Region: aws.String(conf.Region), // 桶所在的区域
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Credentials: credential,
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})
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if err != nil {
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return nil, err
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}
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return &Aws{
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bucket: conf.Bucket,
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client: sdk.New(sess),
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credential: credential,
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}, nil
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}
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type Aws struct {
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bucket string
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client *sdk.S3
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credential *credentials.Credentials
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}
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func (a *Aws) Engine() string {
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return "aws"
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}
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func (a *Aws) InitiateMultipartUpload(ctx context.Context, name string) (*s3.InitiateMultipartUploadResult, error) {
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input := &sdk.CreateMultipartUploadInput{
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Bucket: aws.String(a.bucket), // TODO: To be verified whether it is required
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Key: aws.String(name),
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}
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result, err := a.client.CreateMultipartUploadWithContext(ctx, input)
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if err != nil {
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return nil, err
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}
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return &s3.InitiateMultipartUploadResult{
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Bucket: *result.Bucket,
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Key: *result.Key,
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UploadID: *result.UploadId,
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}, nil
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}
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func (a *Aws) CompleteMultipartUpload(ctx context.Context, uploadID string, name string, parts []s3.Part) (*s3.CompleteMultipartUploadResult, error) {
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sdkParts := make([]*sdk.CompletedPart, len(parts))
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for i, part := range parts {
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sdkParts[i] = &sdk.CompletedPart{
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ETag: aws.String(part.ETag),
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PartNumber: aws.Int64(int64(part.PartNumber)),
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}
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}
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input := &sdk.CompleteMultipartUploadInput{
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Bucket: aws.String(a.bucket), // TODO: To be verified whether it is required
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Key: aws.String(name),
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UploadId: aws.String(uploadID),
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MultipartUpload: &sdk.CompletedMultipartUpload{
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Parts: sdkParts,
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},
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}
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result, err := a.client.CompleteMultipartUploadWithContext(ctx, input)
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if err != nil {
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return nil, err
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}
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return &s3.CompleteMultipartUploadResult{
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Location: *result.Location,
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Bucket: *result.Bucket,
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Key: *result.Key,
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ETag: *result.ETag,
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}, nil
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}
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func (a *Aws) PartSize(ctx context.Context, size int64) (int64, error) {
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if size <= 0 {
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return 0, errors.New("size must be greater than 0")
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}
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if size > maxPartSize*maxNumSize {
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return 0, fmt.Errorf("AWS size must be less than the maximum allowed limit")
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}
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if size <= minPartSize*maxNumSize {
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return minPartSize, nil
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}
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partSize := size / maxNumSize
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if size%maxNumSize != 0 {
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partSize++
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}
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return partSize, nil
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}
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func (a *Aws) DeleteObject(ctx context.Context, name string) error {
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_, err := a.client.DeleteObjectWithContext(ctx, &sdk.DeleteObjectInput{
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Bucket: aws.String(a.bucket),
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Key: aws.String(name),
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})
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return err
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}
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func (a *Aws) CopyObject(ctx context.Context, src string, dst string) (*s3.CopyObjectInfo, error) {
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result, err := a.client.CopyObjectWithContext(ctx, &sdk.CopyObjectInput{
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Bucket: aws.String(a.bucket),
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Key: aws.String(dst),
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CopySource: aws.String(src),
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})
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if err != nil {
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return nil, err
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}
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return &s3.CopyObjectInfo{
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ETag: *result.CopyObjectResult.ETag,
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Key: dst,
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}, nil
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}
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func (a *Aws) IsNotFound(err error) bool {
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if err == nil {
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return false
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}
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if aerr, ok := err.(awserr.Error); ok {
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switch aerr.Code() {
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case sdk.ErrCodeNoSuchKey:
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return true
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default:
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return false
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}
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}
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return false
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}
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func (a *Aws) AbortMultipartUpload(ctx context.Context, uploadID string, name string) error {
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_, err := a.client.AbortMultipartUploadWithContext(ctx, &sdk.AbortMultipartUploadInput{
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Bucket: aws.String(a.bucket),
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Key: aws.String(name),
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UploadId: aws.String(uploadID),
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})
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return err
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}
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func (a *Aws) ListUploadedParts(ctx context.Context, uploadID string, name string, partNumberMarker int, maxParts int) (*s3.ListUploadedPartsResult, error) {
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result, err := a.client.ListPartsWithContext(ctx, &sdk.ListPartsInput{
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Bucket: aws.String(a.bucket),
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Key: aws.String(name),
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UploadId: aws.String(uploadID),
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MaxParts: aws.Int64(int64(maxParts)),
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PartNumberMarker: aws.Int64(int64(partNumberMarker)),
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})
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if err != nil {
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return nil, err
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}
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parts := make([]s3.UploadedPart, len(result.Parts))
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for i, part := range result.Parts {
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parts[i] = s3.UploadedPart{
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PartNumber: int(*part.PartNumber),
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LastModified: *part.LastModified,
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Size: *part.Size,
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ETag: *part.ETag,
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}
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}
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return &s3.ListUploadedPartsResult{
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Key: *result.Key,
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UploadID: *result.UploadId,
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NextPartNumberMarker: int(*result.NextPartNumberMarker),
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MaxParts: int(*result.MaxParts),
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UploadedParts: parts,
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}, nil
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}
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func (a *Aws) PartLimit() *s3.PartLimit {
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return &s3.PartLimit{
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MinPartSize: minPartSize,
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MaxPartSize: maxPartSize,
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MaxNumSize: maxNumSize,
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}
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}
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func (a *Aws) PresignedPutObject(ctx context.Context, name string, expire time.Duration) (string, error) {
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req, _ := a.client.PutObjectRequest(&sdk.PutObjectInput{
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Bucket: aws.String(a.bucket),
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Key: aws.String(name),
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})
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url, err := req.Presign(expire)
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if err != nil {
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return "", err
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}
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return url, nil
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}
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func (a *Aws) StatObject(ctx context.Context, name string) (*s3.ObjectInfo, error) {
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result, err := a.client.GetObjectWithContext(ctx, &sdk.GetObjectInput{
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Bucket: aws.String(a.bucket),
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Key: aws.String(name),
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})
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if err != nil {
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return nil, err
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}
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res := &s3.ObjectInfo{
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Key: name,
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ETag: *result.ETag,
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Size: *result.ContentLength,
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LastModified: *result.LastModified,
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}
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return res, nil
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}
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// AccessURL todo
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func (a *Aws) AccessURL(ctx context.Context, name string, expire time.Duration, opt *s3.AccessURLOption) (string, error) {
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// todo
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return "", nil
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}
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func (a *Aws) FormData(ctx context.Context, name string, size int64, contentType string, duration time.Duration) (*s3.FormData, error) {
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// todo
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return nil, nil
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}
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func (a *Aws) AuthSign(ctx context.Context, uploadID string, name string, expire time.Duration, partNumbers []int) (*s3.AuthSignResult, error) {
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// todo
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return nil, nil
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}
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