mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2024-06-02 13:29:30 +00:00
810 lines
24 KiB
Go
810 lines
24 KiB
Go
/*
|
|
* MinIO Go Library for Amazon S3 Compatible Cloud Storage
|
|
* Copyright 2017 MinIO, Inc.
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
package minio
|
|
|
|
import (
|
|
"bytes"
|
|
"context"
|
|
"encoding/base64"
|
|
"fmt"
|
|
"hash/crc32"
|
|
"io"
|
|
"net/http"
|
|
"net/url"
|
|
"sort"
|
|
"strings"
|
|
"sync"
|
|
|
|
"github.com/google/uuid"
|
|
"github.com/minio/minio-go/v7/pkg/s3utils"
|
|
)
|
|
|
|
// putObjectMultipartStream - upload a large object using
|
|
// multipart upload and streaming signature for signing payload.
|
|
// Comprehensive put object operation involving multipart uploads.
|
|
//
|
|
// Following code handles these types of readers.
|
|
//
|
|
// - *minio.Object
|
|
// - Any reader which has a method 'ReadAt()'
|
|
func (c *Client) putObjectMultipartStream(ctx context.Context, bucketName, objectName string,
|
|
reader io.Reader, size int64, opts PutObjectOptions,
|
|
) (info UploadInfo, err error) {
|
|
if opts.ConcurrentStreamParts && opts.NumThreads > 1 {
|
|
info, err = c.putObjectMultipartStreamParallel(ctx, bucketName, objectName, reader, opts)
|
|
} else if !isObject(reader) && isReadAt(reader) && !opts.SendContentMd5 {
|
|
// Verify if the reader implements ReadAt and it is not a *minio.Object then we will use parallel uploader.
|
|
info, err = c.putObjectMultipartStreamFromReadAt(ctx, bucketName, objectName, reader.(io.ReaderAt), size, opts)
|
|
} else {
|
|
info, err = c.putObjectMultipartStreamOptionalChecksum(ctx, bucketName, objectName, reader, size, opts)
|
|
}
|
|
if err != nil {
|
|
errResp := ToErrorResponse(err)
|
|
// Verify if multipart functionality is not available, if not
|
|
// fall back to single PutObject operation.
|
|
if errResp.Code == "AccessDenied" && strings.Contains(errResp.Message, "Access Denied") {
|
|
// Verify if size of reader is greater than '5GiB'.
|
|
if size > maxSinglePutObjectSize {
|
|
return UploadInfo{}, errEntityTooLarge(size, maxSinglePutObjectSize, bucketName, objectName)
|
|
}
|
|
// Fall back to uploading as single PutObject operation.
|
|
return c.putObject(ctx, bucketName, objectName, reader, size, opts)
|
|
}
|
|
}
|
|
return info, err
|
|
}
|
|
|
|
// uploadedPartRes - the response received from a part upload.
|
|
type uploadedPartRes struct {
|
|
Error error // Any error encountered while uploading the part.
|
|
PartNum int // Number of the part uploaded.
|
|
Size int64 // Size of the part uploaded.
|
|
Part ObjectPart
|
|
}
|
|
|
|
type uploadPartReq struct {
|
|
PartNum int // Number of the part uploaded.
|
|
Part ObjectPart // Size of the part uploaded.
|
|
}
|
|
|
|
// putObjectMultipartFromReadAt - Uploads files bigger than 128MiB.
|
|
// Supports all readers which implements io.ReaderAt interface
|
|
// (ReadAt method).
|
|
//
|
|
// NOTE: This function is meant to be used for all readers which
|
|
// implement io.ReaderAt which allows us for resuming multipart
|
|
// uploads but reading at an offset, which would avoid re-read the
|
|
// data which was already uploaded. Internally this function uses
|
|
// temporary files for staging all the data, these temporary files are
|
|
// cleaned automatically when the caller i.e http client closes the
|
|
// stream after uploading all the contents successfully.
|
|
func (c *Client) putObjectMultipartStreamFromReadAt(ctx context.Context, bucketName, objectName string,
|
|
reader io.ReaderAt, size int64, opts PutObjectOptions,
|
|
) (info UploadInfo, err error) {
|
|
// Input validation.
|
|
if err = s3utils.CheckValidBucketName(bucketName); err != nil {
|
|
return UploadInfo{}, err
|
|
}
|
|
if err = s3utils.CheckValidObjectName(objectName); err != nil {
|
|
return UploadInfo{}, err
|
|
}
|
|
|
|
// Calculate the optimal parts info for a given size.
|
|
totalPartsCount, partSize, lastPartSize, err := OptimalPartInfo(size, opts.PartSize)
|
|
if err != nil {
|
|
return UploadInfo{}, err
|
|
}
|
|
|
|
withChecksum := c.trailingHeaderSupport
|
|
if withChecksum {
|
|
if opts.UserMetadata == nil {
|
|
opts.UserMetadata = make(map[string]string, 1)
|
|
}
|
|
opts.UserMetadata["X-Amz-Checksum-Algorithm"] = "CRC32C"
|
|
}
|
|
// Initiate a new multipart upload.
|
|
uploadID, err := c.newUploadID(ctx, bucketName, objectName, opts)
|
|
if err != nil {
|
|
return UploadInfo{}, err
|
|
}
|
|
delete(opts.UserMetadata, "X-Amz-Checksum-Algorithm")
|
|
|
|
// Aborts the multipart upload in progress, if the
|
|
// function returns any error, since we do not resume
|
|
// we should purge the parts which have been uploaded
|
|
// to relinquish storage space.
|
|
defer func() {
|
|
if err != nil {
|
|
c.abortMultipartUpload(ctx, bucketName, objectName, uploadID)
|
|
}
|
|
}()
|
|
|
|
// Total data read and written to server. should be equal to 'size' at the end of the call.
|
|
var totalUploadedSize int64
|
|
|
|
// Complete multipart upload.
|
|
var complMultipartUpload completeMultipartUpload
|
|
|
|
// Declare a channel that sends the next part number to be uploaded.
|
|
uploadPartsCh := make(chan uploadPartReq)
|
|
|
|
// Declare a channel that sends back the response of a part upload.
|
|
uploadedPartsCh := make(chan uploadedPartRes)
|
|
|
|
// Used for readability, lastPartNumber is always totalPartsCount.
|
|
lastPartNumber := totalPartsCount
|
|
|
|
partitionCtx, partitionCancel := context.WithCancel(ctx)
|
|
defer partitionCancel()
|
|
// Send each part number to the channel to be processed.
|
|
go func() {
|
|
defer close(uploadPartsCh)
|
|
|
|
for p := 1; p <= totalPartsCount; p++ {
|
|
select {
|
|
case <-partitionCtx.Done():
|
|
return
|
|
case uploadPartsCh <- uploadPartReq{PartNum: p}:
|
|
}
|
|
}
|
|
}()
|
|
|
|
// Receive each part number from the channel allowing three parallel uploads.
|
|
for w := 1; w <= opts.getNumThreads(); w++ {
|
|
go func(partSize int64) {
|
|
for {
|
|
var uploadReq uploadPartReq
|
|
var ok bool
|
|
select {
|
|
case <-ctx.Done():
|
|
return
|
|
case uploadReq, ok = <-uploadPartsCh:
|
|
if !ok {
|
|
return
|
|
}
|
|
// Each worker will draw from the part channel and upload in parallel.
|
|
}
|
|
|
|
// If partNumber was not uploaded we calculate the missing
|
|
// part offset and size. For all other part numbers we
|
|
// calculate offset based on multiples of partSize.
|
|
readOffset := int64(uploadReq.PartNum-1) * partSize
|
|
|
|
// As a special case if partNumber is lastPartNumber, we
|
|
// calculate the offset based on the last part size.
|
|
if uploadReq.PartNum == lastPartNumber {
|
|
readOffset = size - lastPartSize
|
|
partSize = lastPartSize
|
|
}
|
|
|
|
sectionReader := newHook(io.NewSectionReader(reader, readOffset, partSize), opts.Progress)
|
|
trailer := make(http.Header, 1)
|
|
if withChecksum {
|
|
crc := crc32.New(crc32.MakeTable(crc32.Castagnoli))
|
|
trailer.Set("x-amz-checksum-crc32c", base64.StdEncoding.EncodeToString(crc.Sum(nil)))
|
|
sectionReader = newHashReaderWrapper(sectionReader, crc, func(hash []byte) {
|
|
trailer.Set("x-amz-checksum-crc32c", base64.StdEncoding.EncodeToString(hash))
|
|
})
|
|
}
|
|
|
|
// Proceed to upload the part.
|
|
p := uploadPartParams{
|
|
bucketName: bucketName,
|
|
objectName: objectName,
|
|
uploadID: uploadID,
|
|
reader: sectionReader,
|
|
partNumber: uploadReq.PartNum,
|
|
size: partSize,
|
|
sse: opts.ServerSideEncryption,
|
|
streamSha256: !opts.DisableContentSha256,
|
|
sha256Hex: "",
|
|
trailer: trailer,
|
|
}
|
|
objPart, err := c.uploadPart(ctx, p)
|
|
if err != nil {
|
|
uploadedPartsCh <- uploadedPartRes{
|
|
Error: err,
|
|
}
|
|
// Exit the goroutine.
|
|
return
|
|
}
|
|
|
|
// Save successfully uploaded part metadata.
|
|
uploadReq.Part = objPart
|
|
|
|
// Send successful part info through the channel.
|
|
uploadedPartsCh <- uploadedPartRes{
|
|
Size: objPart.Size,
|
|
PartNum: uploadReq.PartNum,
|
|
Part: uploadReq.Part,
|
|
}
|
|
}
|
|
}(partSize)
|
|
}
|
|
|
|
// Gather the responses as they occur and update any
|
|
// progress bar.
|
|
for u := 1; u <= totalPartsCount; u++ {
|
|
select {
|
|
case <-ctx.Done():
|
|
return UploadInfo{}, ctx.Err()
|
|
case uploadRes := <-uploadedPartsCh:
|
|
if uploadRes.Error != nil {
|
|
return UploadInfo{}, uploadRes.Error
|
|
}
|
|
|
|
// Update the totalUploadedSize.
|
|
totalUploadedSize += uploadRes.Size
|
|
complMultipartUpload.Parts = append(complMultipartUpload.Parts, CompletePart{
|
|
ETag: uploadRes.Part.ETag,
|
|
PartNumber: uploadRes.Part.PartNumber,
|
|
ChecksumCRC32: uploadRes.Part.ChecksumCRC32,
|
|
ChecksumCRC32C: uploadRes.Part.ChecksumCRC32C,
|
|
ChecksumSHA1: uploadRes.Part.ChecksumSHA1,
|
|
ChecksumSHA256: uploadRes.Part.ChecksumSHA256,
|
|
})
|
|
}
|
|
}
|
|
|
|
// Verify if we uploaded all the data.
|
|
if totalUploadedSize != size {
|
|
return UploadInfo{}, errUnexpectedEOF(totalUploadedSize, size, bucketName, objectName)
|
|
}
|
|
|
|
// Sort all completed parts.
|
|
sort.Sort(completedParts(complMultipartUpload.Parts))
|
|
|
|
opts = PutObjectOptions{
|
|
ServerSideEncryption: opts.ServerSideEncryption,
|
|
}
|
|
if withChecksum {
|
|
// Add hash of hashes.
|
|
crc := crc32.New(crc32.MakeTable(crc32.Castagnoli))
|
|
for _, part := range complMultipartUpload.Parts {
|
|
cs, err := base64.StdEncoding.DecodeString(part.ChecksumCRC32C)
|
|
if err == nil {
|
|
crc.Write(cs)
|
|
}
|
|
}
|
|
opts.UserMetadata = map[string]string{"X-Amz-Checksum-Crc32c": base64.StdEncoding.EncodeToString(crc.Sum(nil))}
|
|
}
|
|
|
|
uploadInfo, err := c.completeMultipartUpload(ctx, bucketName, objectName, uploadID, complMultipartUpload, opts)
|
|
if err != nil {
|
|
return UploadInfo{}, err
|
|
}
|
|
|
|
uploadInfo.Size = totalUploadedSize
|
|
return uploadInfo, nil
|
|
}
|
|
|
|
func (c *Client) putObjectMultipartStreamOptionalChecksum(ctx context.Context, bucketName, objectName string,
|
|
reader io.Reader, size int64, opts PutObjectOptions,
|
|
) (info UploadInfo, err error) {
|
|
// Input validation.
|
|
if err = s3utils.CheckValidBucketName(bucketName); err != nil {
|
|
return UploadInfo{}, err
|
|
}
|
|
if err = s3utils.CheckValidObjectName(objectName); err != nil {
|
|
return UploadInfo{}, err
|
|
}
|
|
|
|
if !opts.SendContentMd5 {
|
|
if opts.UserMetadata == nil {
|
|
opts.UserMetadata = make(map[string]string, 1)
|
|
}
|
|
opts.UserMetadata["X-Amz-Checksum-Algorithm"] = "CRC32C"
|
|
}
|
|
|
|
// Calculate the optimal parts info for a given size.
|
|
totalPartsCount, partSize, lastPartSize, err := OptimalPartInfo(size, opts.PartSize)
|
|
if err != nil {
|
|
return UploadInfo{}, err
|
|
}
|
|
// Initiates a new multipart request
|
|
uploadID, err := c.newUploadID(ctx, bucketName, objectName, opts)
|
|
if err != nil {
|
|
return UploadInfo{}, err
|
|
}
|
|
delete(opts.UserMetadata, "X-Amz-Checksum-Algorithm")
|
|
|
|
// Aborts the multipart upload if the function returns
|
|
// any error, since we do not resume we should purge
|
|
// the parts which have been uploaded to relinquish
|
|
// storage space.
|
|
defer func() {
|
|
if err != nil {
|
|
c.abortMultipartUpload(ctx, bucketName, objectName, uploadID)
|
|
}
|
|
}()
|
|
|
|
// Create checksums
|
|
// CRC32C is ~50% faster on AMD64 @ 30GB/s
|
|
var crcBytes []byte
|
|
customHeader := make(http.Header)
|
|
crc := crc32.New(crc32.MakeTable(crc32.Castagnoli))
|
|
md5Hash := c.md5Hasher()
|
|
defer md5Hash.Close()
|
|
|
|
// Total data read and written to server. should be equal to 'size' at the end of the call.
|
|
var totalUploadedSize int64
|
|
|
|
// Initialize parts uploaded map.
|
|
partsInfo := make(map[int]ObjectPart)
|
|
|
|
// Create a buffer.
|
|
buf := make([]byte, partSize)
|
|
|
|
// Avoid declaring variables in the for loop
|
|
var md5Base64 string
|
|
|
|
// Part number always starts with '1'.
|
|
var partNumber int
|
|
for partNumber = 1; partNumber <= totalPartsCount; partNumber++ {
|
|
|
|
// Proceed to upload the part.
|
|
if partNumber == totalPartsCount {
|
|
partSize = lastPartSize
|
|
}
|
|
|
|
length, rerr := readFull(reader, buf)
|
|
if rerr == io.EOF && partNumber > 1 {
|
|
break
|
|
}
|
|
|
|
if rerr != nil && rerr != io.ErrUnexpectedEOF && err != io.EOF {
|
|
return UploadInfo{}, rerr
|
|
}
|
|
|
|
// Calculate md5sum.
|
|
if opts.SendContentMd5 {
|
|
md5Hash.Reset()
|
|
md5Hash.Write(buf[:length])
|
|
md5Base64 = base64.StdEncoding.EncodeToString(md5Hash.Sum(nil))
|
|
} else {
|
|
// Add CRC32C instead.
|
|
crc.Reset()
|
|
crc.Write(buf[:length])
|
|
cSum := crc.Sum(nil)
|
|
customHeader.Set("x-amz-checksum-crc32c", base64.StdEncoding.EncodeToString(cSum))
|
|
crcBytes = append(crcBytes, cSum...)
|
|
}
|
|
|
|
// Update progress reader appropriately to the latest offset
|
|
// as we read from the source.
|
|
hooked := newHook(bytes.NewReader(buf[:length]), opts.Progress)
|
|
p := uploadPartParams{bucketName: bucketName, objectName: objectName, uploadID: uploadID, reader: hooked, partNumber: partNumber, md5Base64: md5Base64, size: partSize, sse: opts.ServerSideEncryption, streamSha256: !opts.DisableContentSha256, customHeader: customHeader}
|
|
objPart, uerr := c.uploadPart(ctx, p)
|
|
if uerr != nil {
|
|
return UploadInfo{}, uerr
|
|
}
|
|
|
|
// Save successfully uploaded part metadata.
|
|
partsInfo[partNumber] = objPart
|
|
|
|
// Save successfully uploaded size.
|
|
totalUploadedSize += partSize
|
|
}
|
|
|
|
// Verify if we uploaded all the data.
|
|
if size > 0 {
|
|
if totalUploadedSize != size {
|
|
return UploadInfo{}, errUnexpectedEOF(totalUploadedSize, size, bucketName, objectName)
|
|
}
|
|
}
|
|
|
|
// Complete multipart upload.
|
|
var complMultipartUpload completeMultipartUpload
|
|
|
|
// Loop over total uploaded parts to save them in
|
|
// Parts array before completing the multipart request.
|
|
for i := 1; i < partNumber; i++ {
|
|
part, ok := partsInfo[i]
|
|
if !ok {
|
|
return UploadInfo{}, errInvalidArgument(fmt.Sprintf("Missing part number %d", i))
|
|
}
|
|
complMultipartUpload.Parts = append(complMultipartUpload.Parts, CompletePart{
|
|
ETag: part.ETag,
|
|
PartNumber: part.PartNumber,
|
|
ChecksumCRC32: part.ChecksumCRC32,
|
|
ChecksumCRC32C: part.ChecksumCRC32C,
|
|
ChecksumSHA1: part.ChecksumSHA1,
|
|
ChecksumSHA256: part.ChecksumSHA256,
|
|
})
|
|
}
|
|
|
|
// Sort all completed parts.
|
|
sort.Sort(completedParts(complMultipartUpload.Parts))
|
|
|
|
opts = PutObjectOptions{
|
|
ServerSideEncryption: opts.ServerSideEncryption,
|
|
}
|
|
if len(crcBytes) > 0 {
|
|
// Add hash of hashes.
|
|
crc.Reset()
|
|
crc.Write(crcBytes)
|
|
opts.UserMetadata = map[string]string{"X-Amz-Checksum-Crc32c": base64.StdEncoding.EncodeToString(crc.Sum(nil))}
|
|
}
|
|
uploadInfo, err := c.completeMultipartUpload(ctx, bucketName, objectName, uploadID, complMultipartUpload, opts)
|
|
if err != nil {
|
|
return UploadInfo{}, err
|
|
}
|
|
|
|
uploadInfo.Size = totalUploadedSize
|
|
return uploadInfo, nil
|
|
}
|
|
|
|
// putObjectMultipartStreamParallel uploads opts.NumThreads parts in parallel.
|
|
// This is expected to take opts.PartSize * opts.NumThreads * (GOGC / 100) bytes of buffer.
|
|
func (c *Client) putObjectMultipartStreamParallel(ctx context.Context, bucketName, objectName string,
|
|
reader io.Reader, opts PutObjectOptions,
|
|
) (info UploadInfo, err error) {
|
|
// Input validation.
|
|
if err = s3utils.CheckValidBucketName(bucketName); err != nil {
|
|
return UploadInfo{}, err
|
|
}
|
|
|
|
if err = s3utils.CheckValidObjectName(objectName); err != nil {
|
|
return UploadInfo{}, err
|
|
}
|
|
|
|
if !opts.SendContentMd5 {
|
|
if opts.UserMetadata == nil {
|
|
opts.UserMetadata = make(map[string]string, 1)
|
|
}
|
|
opts.UserMetadata["X-Amz-Checksum-Algorithm"] = "CRC32C"
|
|
}
|
|
|
|
// Cancel all when an error occurs.
|
|
ctx, cancel := context.WithCancel(ctx)
|
|
defer cancel()
|
|
|
|
// Calculate the optimal parts info for a given size.
|
|
totalPartsCount, partSize, _, err := OptimalPartInfo(-1, opts.PartSize)
|
|
if err != nil {
|
|
return UploadInfo{}, err
|
|
}
|
|
|
|
// Initiates a new multipart request
|
|
uploadID, err := c.newUploadID(ctx, bucketName, objectName, opts)
|
|
if err != nil {
|
|
return UploadInfo{}, err
|
|
}
|
|
delete(opts.UserMetadata, "X-Amz-Checksum-Algorithm")
|
|
|
|
// Aborts the multipart upload if the function returns
|
|
// any error, since we do not resume we should purge
|
|
// the parts which have been uploaded to relinquish
|
|
// storage space.
|
|
defer func() {
|
|
if err != nil {
|
|
c.abortMultipartUpload(ctx, bucketName, objectName, uploadID)
|
|
}
|
|
}()
|
|
|
|
// Create checksums
|
|
// CRC32C is ~50% faster on AMD64 @ 30GB/s
|
|
var crcBytes []byte
|
|
crc := crc32.New(crc32.MakeTable(crc32.Castagnoli))
|
|
|
|
// Total data read and written to server. should be equal to 'size' at the end of the call.
|
|
var totalUploadedSize int64
|
|
|
|
// Initialize parts uploaded map.
|
|
partsInfo := make(map[int]ObjectPart)
|
|
|
|
// Create a buffer.
|
|
nBuffers := int64(opts.NumThreads)
|
|
bufs := make(chan []byte, nBuffers)
|
|
all := make([]byte, nBuffers*partSize)
|
|
for i := int64(0); i < nBuffers; i++ {
|
|
bufs <- all[i*partSize : i*partSize+partSize]
|
|
}
|
|
|
|
var wg sync.WaitGroup
|
|
var mu sync.Mutex
|
|
errCh := make(chan error, opts.NumThreads)
|
|
|
|
reader = newHook(reader, opts.Progress)
|
|
|
|
// Part number always starts with '1'.
|
|
var partNumber int
|
|
for partNumber = 1; partNumber <= totalPartsCount; partNumber++ {
|
|
// Proceed to upload the part.
|
|
var buf []byte
|
|
select {
|
|
case buf = <-bufs:
|
|
case err = <-errCh:
|
|
cancel()
|
|
wg.Wait()
|
|
return UploadInfo{}, err
|
|
}
|
|
|
|
if int64(len(buf)) != partSize {
|
|
return UploadInfo{}, fmt.Errorf("read buffer < %d than expected partSize: %d", len(buf), partSize)
|
|
}
|
|
|
|
length, rerr := readFull(reader, buf)
|
|
if rerr == io.EOF && partNumber > 1 {
|
|
// Done
|
|
break
|
|
}
|
|
|
|
if rerr != nil && rerr != io.ErrUnexpectedEOF && err != io.EOF {
|
|
cancel()
|
|
wg.Wait()
|
|
return UploadInfo{}, rerr
|
|
}
|
|
|
|
// Calculate md5sum.
|
|
customHeader := make(http.Header)
|
|
if !opts.SendContentMd5 {
|
|
// Add CRC32C instead.
|
|
crc.Reset()
|
|
crc.Write(buf[:length])
|
|
cSum := crc.Sum(nil)
|
|
customHeader.Set("x-amz-checksum-crc32c", base64.StdEncoding.EncodeToString(cSum))
|
|
crcBytes = append(crcBytes, cSum...)
|
|
}
|
|
|
|
wg.Add(1)
|
|
go func(partNumber int) {
|
|
// Avoid declaring variables in the for loop
|
|
var md5Base64 string
|
|
|
|
if opts.SendContentMd5 {
|
|
md5Hash := c.md5Hasher()
|
|
md5Hash.Write(buf[:length])
|
|
md5Base64 = base64.StdEncoding.EncodeToString(md5Hash.Sum(nil))
|
|
md5Hash.Close()
|
|
}
|
|
|
|
defer wg.Done()
|
|
p := uploadPartParams{
|
|
bucketName: bucketName,
|
|
objectName: objectName,
|
|
uploadID: uploadID,
|
|
reader: bytes.NewReader(buf[:length]),
|
|
partNumber: partNumber,
|
|
md5Base64: md5Base64,
|
|
size: int64(length),
|
|
sse: opts.ServerSideEncryption,
|
|
streamSha256: !opts.DisableContentSha256,
|
|
customHeader: customHeader,
|
|
}
|
|
objPart, uerr := c.uploadPart(ctx, p)
|
|
if uerr != nil {
|
|
errCh <- uerr
|
|
return
|
|
}
|
|
|
|
// Save successfully uploaded part metadata.
|
|
mu.Lock()
|
|
partsInfo[partNumber] = objPart
|
|
mu.Unlock()
|
|
|
|
// Send buffer back so it can be reused.
|
|
bufs <- buf
|
|
}(partNumber)
|
|
|
|
// Save successfully uploaded size.
|
|
totalUploadedSize += int64(length)
|
|
}
|
|
wg.Wait()
|
|
|
|
// Collect any error
|
|
select {
|
|
case err = <-errCh:
|
|
return UploadInfo{}, err
|
|
default:
|
|
}
|
|
|
|
// Complete multipart upload.
|
|
var complMultipartUpload completeMultipartUpload
|
|
|
|
// Loop over total uploaded parts to save them in
|
|
// Parts array before completing the multipart request.
|
|
for i := 1; i < partNumber; i++ {
|
|
part, ok := partsInfo[i]
|
|
if !ok {
|
|
return UploadInfo{}, errInvalidArgument(fmt.Sprintf("Missing part number %d", i))
|
|
}
|
|
complMultipartUpload.Parts = append(complMultipartUpload.Parts, CompletePart{
|
|
ETag: part.ETag,
|
|
PartNumber: part.PartNumber,
|
|
ChecksumCRC32: part.ChecksumCRC32,
|
|
ChecksumCRC32C: part.ChecksumCRC32C,
|
|
ChecksumSHA1: part.ChecksumSHA1,
|
|
ChecksumSHA256: part.ChecksumSHA256,
|
|
})
|
|
}
|
|
|
|
// Sort all completed parts.
|
|
sort.Sort(completedParts(complMultipartUpload.Parts))
|
|
|
|
opts = PutObjectOptions{}
|
|
if len(crcBytes) > 0 {
|
|
// Add hash of hashes.
|
|
crc.Reset()
|
|
crc.Write(crcBytes)
|
|
opts.UserMetadata = map[string]string{"X-Amz-Checksum-Crc32c": base64.StdEncoding.EncodeToString(crc.Sum(nil))}
|
|
}
|
|
uploadInfo, err := c.completeMultipartUpload(ctx, bucketName, objectName, uploadID, complMultipartUpload, opts)
|
|
if err != nil {
|
|
return UploadInfo{}, err
|
|
}
|
|
|
|
uploadInfo.Size = totalUploadedSize
|
|
return uploadInfo, nil
|
|
}
|
|
|
|
// putObject special function used Google Cloud Storage. This special function
|
|
// is used for Google Cloud Storage since Google's multipart API is not S3 compatible.
|
|
func (c *Client) putObject(ctx context.Context, bucketName, objectName string, reader io.Reader, size int64, opts PutObjectOptions) (info UploadInfo, err error) {
|
|
// Input validation.
|
|
if err := s3utils.CheckValidBucketName(bucketName); err != nil {
|
|
return UploadInfo{}, err
|
|
}
|
|
if err := s3utils.CheckValidObjectName(objectName); err != nil {
|
|
return UploadInfo{}, err
|
|
}
|
|
|
|
// Size -1 is only supported on Google Cloud Storage, we error
|
|
// out in all other situations.
|
|
if size < 0 && !s3utils.IsGoogleEndpoint(*c.endpointURL) {
|
|
return UploadInfo{}, errEntityTooSmall(size, bucketName, objectName)
|
|
}
|
|
|
|
if opts.SendContentMd5 && s3utils.IsGoogleEndpoint(*c.endpointURL) && size < 0 {
|
|
return UploadInfo{}, errInvalidArgument("MD5Sum cannot be calculated with size '-1'")
|
|
}
|
|
|
|
var readSeeker io.Seeker
|
|
if size > 0 {
|
|
if isReadAt(reader) && !isObject(reader) {
|
|
seeker, ok := reader.(io.Seeker)
|
|
if ok {
|
|
offset, err := seeker.Seek(0, io.SeekCurrent)
|
|
if err != nil {
|
|
return UploadInfo{}, errInvalidArgument(err.Error())
|
|
}
|
|
reader = io.NewSectionReader(reader.(io.ReaderAt), offset, size)
|
|
readSeeker = reader.(io.Seeker)
|
|
}
|
|
}
|
|
}
|
|
|
|
var md5Base64 string
|
|
if opts.SendContentMd5 {
|
|
// Calculate md5sum.
|
|
hash := c.md5Hasher()
|
|
|
|
if readSeeker != nil {
|
|
if _, err := io.Copy(hash, reader); err != nil {
|
|
return UploadInfo{}, err
|
|
}
|
|
// Seek back to beginning of io.NewSectionReader's offset.
|
|
_, err = readSeeker.Seek(0, io.SeekStart)
|
|
if err != nil {
|
|
return UploadInfo{}, errInvalidArgument(err.Error())
|
|
}
|
|
} else {
|
|
// Create a buffer.
|
|
buf := make([]byte, size)
|
|
|
|
length, err := readFull(reader, buf)
|
|
if err != nil && err != io.ErrUnexpectedEOF && err != io.EOF {
|
|
return UploadInfo{}, err
|
|
}
|
|
|
|
hash.Write(buf[:length])
|
|
reader = bytes.NewReader(buf[:length])
|
|
}
|
|
|
|
md5Base64 = base64.StdEncoding.EncodeToString(hash.Sum(nil))
|
|
hash.Close()
|
|
}
|
|
|
|
// Update progress reader appropriately to the latest offset as we
|
|
// read from the source.
|
|
progressReader := newHook(reader, opts.Progress)
|
|
|
|
// This function does not calculate sha256 and md5sum for payload.
|
|
// Execute put object.
|
|
return c.putObjectDo(ctx, bucketName, objectName, progressReader, md5Base64, "", size, opts)
|
|
}
|
|
|
|
// putObjectDo - executes the put object http operation.
|
|
// NOTE: You must have WRITE permissions on a bucket to add an object to it.
|
|
func (c *Client) putObjectDo(ctx context.Context, bucketName, objectName string, reader io.Reader, md5Base64, sha256Hex string, size int64, opts PutObjectOptions) (UploadInfo, error) {
|
|
// Input validation.
|
|
if err := s3utils.CheckValidBucketName(bucketName); err != nil {
|
|
return UploadInfo{}, err
|
|
}
|
|
if err := s3utils.CheckValidObjectName(objectName); err != nil {
|
|
return UploadInfo{}, err
|
|
}
|
|
// Set headers.
|
|
customHeader := opts.Header()
|
|
|
|
// Add CRC when client supports it, MD5 is not set, not Google and we don't add SHA256 to chunks.
|
|
addCrc := c.trailingHeaderSupport && md5Base64 == "" && !s3utils.IsGoogleEndpoint(*c.endpointURL) && (opts.DisableContentSha256 || c.secure)
|
|
|
|
if addCrc {
|
|
// If user has added checksums, don't add them ourselves.
|
|
for k := range opts.UserMetadata {
|
|
if strings.HasPrefix(strings.ToLower(k), "x-amz-checksum-") {
|
|
addCrc = false
|
|
}
|
|
}
|
|
}
|
|
// Populate request metadata.
|
|
reqMetadata := requestMetadata{
|
|
bucketName: bucketName,
|
|
objectName: objectName,
|
|
customHeader: customHeader,
|
|
contentBody: reader,
|
|
contentLength: size,
|
|
contentMD5Base64: md5Base64,
|
|
contentSHA256Hex: sha256Hex,
|
|
streamSha256: !opts.DisableContentSha256,
|
|
addCrc: addCrc,
|
|
}
|
|
if opts.Internal.SourceVersionID != "" {
|
|
if opts.Internal.SourceVersionID != nullVersionID {
|
|
if _, err := uuid.Parse(opts.Internal.SourceVersionID); err != nil {
|
|
return UploadInfo{}, errInvalidArgument(err.Error())
|
|
}
|
|
}
|
|
urlValues := make(url.Values)
|
|
urlValues.Set("versionId", opts.Internal.SourceVersionID)
|
|
reqMetadata.queryValues = urlValues
|
|
}
|
|
|
|
// Execute PUT an objectName.
|
|
resp, err := c.executeMethod(ctx, http.MethodPut, reqMetadata)
|
|
defer closeResponse(resp)
|
|
if err != nil {
|
|
return UploadInfo{}, err
|
|
}
|
|
if resp != nil {
|
|
if resp.StatusCode != http.StatusOK {
|
|
return UploadInfo{}, httpRespToErrorResponse(resp, bucketName, objectName)
|
|
}
|
|
}
|
|
|
|
// extract lifecycle expiry date and rule ID
|
|
expTime, ruleID := amzExpirationToExpiryDateRuleID(resp.Header.Get(amzExpiration))
|
|
h := resp.Header
|
|
return UploadInfo{
|
|
Bucket: bucketName,
|
|
Key: objectName,
|
|
ETag: trimEtag(h.Get("ETag")),
|
|
VersionID: h.Get(amzVersionID),
|
|
Size: size,
|
|
Expiration: expTime,
|
|
ExpirationRuleID: ruleID,
|
|
|
|
// Checksum values
|
|
ChecksumCRC32: h.Get("x-amz-checksum-crc32"),
|
|
ChecksumCRC32C: h.Get("x-amz-checksum-crc32c"),
|
|
ChecksumSHA1: h.Get("x-amz-checksum-sha1"),
|
|
ChecksumSHA256: h.Get("x-amz-checksum-sha256"),
|
|
}, nil
|
|
}
|