mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2025-11-03 17:52:24 -06:00
293053f58c
Reviewed-on: https://codeberg.org/superseriousbusiness/gotosocial/pulls/4075 Co-authored-by: kim <grufwub@gmail.com> Co-committed-by: kim <grufwub@gmail.com>
462 lines
15 KiB
Go
462 lines
15 KiB
Go
/*
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* MinIO Go Library for Amazon S3 Compatible Cloud Storage
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* Copyright 2015-2017 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 minio
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import (
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"bytes"
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"context"
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"encoding/base64"
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"encoding/hex"
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"encoding/xml"
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"fmt"
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"io"
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"net/http"
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"net/url"
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"sort"
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"strconv"
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"strings"
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"github.com/google/uuid"
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"github.com/minio/minio-go/v7/pkg/encrypt"
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"github.com/minio/minio-go/v7/pkg/s3utils"
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)
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func (c *Client) putObjectMultipart(ctx context.Context, bucketName, objectName string, reader io.Reader, size int64,
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opts PutObjectOptions,
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) (info UploadInfo, err error) {
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info, err = c.putObjectMultipartNoStream(ctx, bucketName, objectName, reader, opts)
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if err != nil {
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errResp := ToErrorResponse(err)
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// Verify if multipart functionality is not available, if not
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// fall back to single PutObject operation.
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if errResp.Code == "AccessDenied" && strings.Contains(errResp.Message, "Access Denied") {
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// Verify if size of reader is greater than '5GiB'.
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if size > maxSinglePutObjectSize {
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return UploadInfo{}, errEntityTooLarge(size, maxSinglePutObjectSize, bucketName, objectName)
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}
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// Fall back to uploading as single PutObject operation.
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return c.putObject(ctx, bucketName, objectName, reader, size, opts)
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}
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}
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return info, err
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}
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func (c *Client) putObjectMultipartNoStream(ctx context.Context, bucketName, objectName string, reader io.Reader, opts PutObjectOptions) (info UploadInfo, err error) {
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// Input validation.
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if err = s3utils.CheckValidBucketName(bucketName); err != nil {
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return UploadInfo{}, err
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}
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if err = s3utils.CheckValidObjectName(objectName); err != nil {
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return UploadInfo{}, err
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}
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// Total data read and written to server. should be equal to
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// 'size' at the end of the call.
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var totalUploadedSize int64
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// Complete multipart upload.
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var complMultipartUpload completeMultipartUpload
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// Calculate the optimal parts info for a given size.
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totalPartsCount, partSize, _, err := OptimalPartInfo(-1, opts.PartSize)
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if err != nil {
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return UploadInfo{}, err
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}
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// Choose hash algorithms to be calculated by hashCopyN,
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// avoid sha256 with non-v4 signature request or
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// HTTPS connection.
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hashAlgos, hashSums := c.hashMaterials(opts.SendContentMd5, !opts.DisableContentSha256)
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if len(hashSums) == 0 {
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addAutoChecksumHeaders(&opts)
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}
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// Initiate a new multipart upload.
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uploadID, err := c.newUploadID(ctx, bucketName, objectName, opts)
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if err != nil {
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return UploadInfo{}, err
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}
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delete(opts.UserMetadata, "X-Amz-Checksum-Algorithm")
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defer func() {
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if err != nil {
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c.abortMultipartUpload(ctx, bucketName, objectName, uploadID)
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}
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}()
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// Part number always starts with '1'.
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partNumber := 1
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// Initialize parts uploaded map.
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partsInfo := make(map[int]ObjectPart)
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// Create a buffer.
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buf := make([]byte, partSize)
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// Create checksums
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// CRC32C is ~50% faster on AMD64 @ 30GB/s
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customHeader := make(http.Header)
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crc := opts.AutoChecksum.Hasher()
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for partNumber <= totalPartsCount {
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length, rErr := readFull(reader, buf)
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if rErr == io.EOF && partNumber > 1 {
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break
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}
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if rErr != nil && rErr != io.ErrUnexpectedEOF && rErr != io.EOF {
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return UploadInfo{}, rErr
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}
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// Calculates hash sums while copying partSize bytes into cw.
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for k, v := range hashAlgos {
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v.Write(buf[:length])
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hashSums[k] = v.Sum(nil)
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v.Close()
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}
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// Update progress reader appropriately to the latest offset
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// as we read from the source.
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rd := newHook(bytes.NewReader(buf[:length]), opts.Progress)
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// Checksums..
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var (
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md5Base64 string
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sha256Hex string
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)
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if hashSums["md5"] != nil {
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md5Base64 = base64.StdEncoding.EncodeToString(hashSums["md5"])
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}
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if hashSums["sha256"] != nil {
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sha256Hex = hex.EncodeToString(hashSums["sha256"])
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}
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if len(hashSums) == 0 {
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crc.Reset()
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crc.Write(buf[:length])
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cSum := crc.Sum(nil)
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customHeader.Set(opts.AutoChecksum.Key(), base64.StdEncoding.EncodeToString(cSum))
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}
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p := uploadPartParams{bucketName: bucketName, objectName: objectName, uploadID: uploadID, reader: rd, partNumber: partNumber, md5Base64: md5Base64, sha256Hex: sha256Hex, size: int64(length), sse: opts.ServerSideEncryption, streamSha256: !opts.DisableContentSha256, customHeader: customHeader}
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// Proceed to upload the part.
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objPart, uerr := c.uploadPart(ctx, p)
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if uerr != nil {
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return UploadInfo{}, uerr
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}
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// Save successfully uploaded part metadata.
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partsInfo[partNumber] = objPart
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// Save successfully uploaded size.
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totalUploadedSize += int64(length)
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// Increment part number.
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partNumber++
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// For unknown size, Read EOF we break away.
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// We do not have to upload till totalPartsCount.
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if rErr == io.EOF {
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break
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}
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}
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// Loop over total uploaded parts to save them in
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// Parts array before completing the multipart request.
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allParts := make([]ObjectPart, 0, len(partsInfo))
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for i := 1; i < partNumber; i++ {
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part, ok := partsInfo[i]
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if !ok {
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return UploadInfo{}, errInvalidArgument(fmt.Sprintf("Missing part number %d", i))
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}
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allParts = append(allParts, part)
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complMultipartUpload.Parts = append(complMultipartUpload.Parts, CompletePart{
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ETag: part.ETag,
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PartNumber: part.PartNumber,
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ChecksumCRC32: part.ChecksumCRC32,
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ChecksumCRC32C: part.ChecksumCRC32C,
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ChecksumSHA1: part.ChecksumSHA1,
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ChecksumSHA256: part.ChecksumSHA256,
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ChecksumCRC64NVME: part.ChecksumCRC64NVME,
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})
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}
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// Sort all completed parts.
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sort.Sort(completedParts(complMultipartUpload.Parts))
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opts = PutObjectOptions{
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ServerSideEncryption: opts.ServerSideEncryption,
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AutoChecksum: opts.AutoChecksum,
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}
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applyAutoChecksum(&opts, allParts)
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uploadInfo, err := c.completeMultipartUpload(ctx, bucketName, objectName, uploadID, complMultipartUpload, opts)
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if err != nil {
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return UploadInfo{}, err
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}
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uploadInfo.Size = totalUploadedSize
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return uploadInfo, nil
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}
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// initiateMultipartUpload - Initiates a multipart upload and returns an upload ID.
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func (c *Client) initiateMultipartUpload(ctx context.Context, bucketName, objectName string, opts PutObjectOptions) (initiateMultipartUploadResult, error) {
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// Input validation.
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if err := s3utils.CheckValidBucketName(bucketName); err != nil {
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return initiateMultipartUploadResult{}, err
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}
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if err := s3utils.CheckValidObjectName(objectName); err != nil {
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return initiateMultipartUploadResult{}, err
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}
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// Initialize url queries.
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urlValues := make(url.Values)
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urlValues.Set("uploads", "")
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if opts.Internal.SourceVersionID != "" {
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if opts.Internal.SourceVersionID != nullVersionID {
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if _, err := uuid.Parse(opts.Internal.SourceVersionID); err != nil {
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return initiateMultipartUploadResult{}, errInvalidArgument(err.Error())
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}
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}
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urlValues.Set("versionId", opts.Internal.SourceVersionID)
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}
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// Set ContentType header.
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customHeader := opts.Header()
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reqMetadata := requestMetadata{
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bucketName: bucketName,
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objectName: objectName,
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queryValues: urlValues,
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customHeader: customHeader,
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}
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// Execute POST on an objectName to initiate multipart upload.
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resp, err := c.executeMethod(ctx, http.MethodPost, reqMetadata)
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defer closeResponse(resp)
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if err != nil {
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return initiateMultipartUploadResult{}, err
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}
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if resp != nil {
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if resp.StatusCode != http.StatusOK {
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return initiateMultipartUploadResult{}, httpRespToErrorResponse(resp, bucketName, objectName)
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}
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}
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// Decode xml for new multipart upload.
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initiateMultipartUploadResult := initiateMultipartUploadResult{}
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err = xmlDecoder(resp.Body, &initiateMultipartUploadResult)
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if err != nil {
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return initiateMultipartUploadResult, err
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}
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return initiateMultipartUploadResult, nil
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}
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type uploadPartParams struct {
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bucketName string
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objectName string
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uploadID string
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reader io.Reader
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partNumber int
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md5Base64 string
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sha256Hex string
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size int64
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sse encrypt.ServerSide
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streamSha256 bool
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customHeader http.Header
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trailer http.Header
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}
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// uploadPart - Uploads a part in a multipart upload.
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func (c *Client) uploadPart(ctx context.Context, p uploadPartParams) (ObjectPart, error) {
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// Input validation.
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if err := s3utils.CheckValidBucketName(p.bucketName); err != nil {
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return ObjectPart{}, err
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}
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if err := s3utils.CheckValidObjectName(p.objectName); err != nil {
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return ObjectPart{}, err
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}
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if p.size > maxPartSize {
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return ObjectPart{}, errEntityTooLarge(p.size, maxPartSize, p.bucketName, p.objectName)
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}
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if p.size <= -1 {
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return ObjectPart{}, errEntityTooSmall(p.size, p.bucketName, p.objectName)
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}
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if p.partNumber <= 0 {
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return ObjectPart{}, errInvalidArgument("Part number cannot be negative or equal to zero.")
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}
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if p.uploadID == "" {
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return ObjectPart{}, errInvalidArgument("UploadID cannot be empty.")
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}
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// Get resources properly escaped and lined up before using them in http request.
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urlValues := make(url.Values)
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// Set part number.
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urlValues.Set("partNumber", strconv.Itoa(p.partNumber))
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// Set upload id.
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urlValues.Set("uploadId", p.uploadID)
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// Set encryption headers, if any.
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if p.customHeader == nil {
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p.customHeader = make(http.Header)
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}
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// https://docs.aws.amazon.com/AmazonS3/latest/API/mpUploadUploadPart.html
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// Server-side encryption is supported by the S3 Multipart Upload actions.
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// Unless you are using a customer-provided encryption key, you don't need
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// to specify the encryption parameters in each UploadPart request.
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if p.sse != nil && p.sse.Type() == encrypt.SSEC {
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p.sse.Marshal(p.customHeader)
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}
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reqMetadata := requestMetadata{
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bucketName: p.bucketName,
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objectName: p.objectName,
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queryValues: urlValues,
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customHeader: p.customHeader,
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contentBody: p.reader,
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contentLength: p.size,
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contentMD5Base64: p.md5Base64,
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contentSHA256Hex: p.sha256Hex,
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streamSha256: p.streamSha256,
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trailer: p.trailer,
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}
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// Execute PUT on each part.
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resp, err := c.executeMethod(ctx, http.MethodPut, reqMetadata)
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defer closeResponse(resp)
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if err != nil {
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return ObjectPart{}, err
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}
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if resp != nil {
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if resp.StatusCode != http.StatusOK {
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return ObjectPart{}, httpRespToErrorResponse(resp, p.bucketName, p.objectName)
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}
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}
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// Once successfully uploaded, return completed part.
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h := resp.Header
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objPart := ObjectPart{
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ChecksumCRC32: h.Get(ChecksumCRC32.Key()),
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ChecksumCRC32C: h.Get(ChecksumCRC32C.Key()),
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ChecksumSHA1: h.Get(ChecksumSHA1.Key()),
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ChecksumSHA256: h.Get(ChecksumSHA256.Key()),
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ChecksumCRC64NVME: h.Get(ChecksumCRC64NVME.Key()),
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}
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objPart.Size = p.size
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objPart.PartNumber = p.partNumber
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// Trim off the odd double quotes from ETag in the beginning and end.
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objPart.ETag = trimEtag(h.Get("ETag"))
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return objPart, nil
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}
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// completeMultipartUpload - Completes a multipart upload by assembling previously uploaded parts.
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func (c *Client) completeMultipartUpload(ctx context.Context, bucketName, objectName, uploadID string,
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complete completeMultipartUpload, opts PutObjectOptions,
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) (UploadInfo, error) {
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// Input validation.
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if err := s3utils.CheckValidBucketName(bucketName); err != nil {
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return UploadInfo{}, err
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}
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if err := s3utils.CheckValidObjectName(objectName); err != nil {
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return UploadInfo{}, err
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}
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// Initialize url queries.
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urlValues := make(url.Values)
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urlValues.Set("uploadId", uploadID)
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// Marshal complete multipart body.
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completeMultipartUploadBytes, err := xml.Marshal(complete)
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if err != nil {
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return UploadInfo{}, err
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}
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headers := opts.Header()
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if s3utils.IsAmazonEndpoint(*c.endpointURL) {
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headers.Del(encrypt.SseKmsKeyID) // Remove X-Amz-Server-Side-Encryption-Aws-Kms-Key-Id not supported in CompleteMultipartUpload
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headers.Del(encrypt.SseGenericHeader) // Remove X-Amz-Server-Side-Encryption not supported in CompleteMultipartUpload
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headers.Del(encrypt.SseEncryptionContext) // Remove X-Amz-Server-Side-Encryption-Context not supported in CompleteMultipartUpload
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}
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// Instantiate all the complete multipart buffer.
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completeMultipartUploadBuffer := bytes.NewReader(completeMultipartUploadBytes)
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reqMetadata := requestMetadata{
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bucketName: bucketName,
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objectName: objectName,
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queryValues: urlValues,
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contentBody: completeMultipartUploadBuffer,
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contentLength: int64(len(completeMultipartUploadBytes)),
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contentSHA256Hex: sum256Hex(completeMultipartUploadBytes),
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customHeader: headers,
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}
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// Execute POST to complete multipart upload for an objectName.
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resp, err := c.executeMethod(ctx, http.MethodPost, reqMetadata)
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defer closeResponse(resp)
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if err != nil {
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return UploadInfo{}, err
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}
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if resp != nil {
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if resp.StatusCode != http.StatusOK {
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return UploadInfo{}, httpRespToErrorResponse(resp, bucketName, objectName)
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}
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}
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// Read resp.Body into a []bytes to parse for Error response inside the body
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var b []byte
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b, err = io.ReadAll(resp.Body)
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if err != nil {
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return UploadInfo{}, err
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}
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// Decode completed multipart upload response on success.
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completeMultipartUploadResult := completeMultipartUploadResult{}
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err = xmlDecoder(bytes.NewReader(b), &completeMultipartUploadResult)
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if err != nil {
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// xml parsing failure due to presence an ill-formed xml fragment
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return UploadInfo{}, err
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} else if completeMultipartUploadResult.Bucket == "" {
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// xml's Decode method ignores well-formed xml that don't apply to the type of value supplied.
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// In this case, it would leave completeMultipartUploadResult with the corresponding zero-values
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// of the members.
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// Decode completed multipart upload response on failure
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completeMultipartUploadErr := ErrorResponse{}
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err = xmlDecoder(bytes.NewReader(b), &completeMultipartUploadErr)
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if err != nil {
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// xml parsing failure due to presence an ill-formed xml fragment
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return UploadInfo{}, err
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}
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return UploadInfo{}, completeMultipartUploadErr
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}
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// extract lifecycle expiry date and rule ID
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expTime, ruleID := amzExpirationToExpiryDateRuleID(resp.Header.Get(amzExpiration))
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return UploadInfo{
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Bucket: completeMultipartUploadResult.Bucket,
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Key: completeMultipartUploadResult.Key,
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ETag: trimEtag(completeMultipartUploadResult.ETag),
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VersionID: resp.Header.Get(amzVersionID),
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Location: completeMultipartUploadResult.Location,
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Expiration: expTime,
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ExpirationRuleID: ruleID,
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ChecksumSHA256: completeMultipartUploadResult.ChecksumSHA256,
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ChecksumSHA1: completeMultipartUploadResult.ChecksumSHA1,
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ChecksumCRC32: completeMultipartUploadResult.ChecksumCRC32,
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ChecksumCRC32C: completeMultipartUploadResult.ChecksumCRC32C,
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ChecksumCRC64NVME: completeMultipartUploadResult.ChecksumCRC64NVME,
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ChecksumMode: completeMultipartUploadResult.ChecksumType,
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}, nil
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}
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