mirror of
https://github.com/superseriousbusiness/gotosocial.git
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810 lines
24 KiB
Go
810 lines
24 KiB
Go
/*
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* MinIO Go Library for Amazon S3 Compatible Cloud Storage
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* Copyright 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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"fmt"
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"hash/crc32"
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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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"strings"
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"sync"
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"github.com/google/uuid"
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"github.com/minio/minio-go/v7/pkg/s3utils"
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)
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// putObjectMultipartStream - upload a large object using
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// multipart upload and streaming signature for signing payload.
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// Comprehensive put object operation involving multipart uploads.
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//
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// Following code handles these types of readers.
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//
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// - *minio.Object
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// - Any reader which has a method 'ReadAt()'
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func (c *Client) putObjectMultipartStream(ctx context.Context, bucketName, objectName string,
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reader io.Reader, size int64, opts PutObjectOptions,
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) (info UploadInfo, err error) {
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if opts.ConcurrentStreamParts && opts.NumThreads > 1 {
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info, err = c.putObjectMultipartStreamParallel(ctx, bucketName, objectName, reader, opts)
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} else if !isObject(reader) && isReadAt(reader) && !opts.SendContentMd5 {
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// Verify if the reader implements ReadAt and it is not a *minio.Object then we will use parallel uploader.
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info, err = c.putObjectMultipartStreamFromReadAt(ctx, bucketName, objectName, reader.(io.ReaderAt), size, opts)
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} else {
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info, err = c.putObjectMultipartStreamOptionalChecksum(ctx, bucketName, objectName, reader, size, opts)
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}
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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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// uploadedPartRes - the response received from a part upload.
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type uploadedPartRes struct {
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Error error // Any error encountered while uploading the part.
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PartNum int // Number of the part uploaded.
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Size int64 // Size of the part uploaded.
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Part ObjectPart
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}
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type uploadPartReq struct {
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PartNum int // Number of the part uploaded.
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Part ObjectPart // Size of the part uploaded.
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}
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// putObjectMultipartFromReadAt - Uploads files bigger than 128MiB.
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// Supports all readers which implements io.ReaderAt interface
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// (ReadAt method).
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//
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// NOTE: This function is meant to be used for all readers which
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// implement io.ReaderAt which allows us for resuming multipart
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// uploads but reading at an offset, which would avoid re-read the
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// data which was already uploaded. Internally this function uses
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// temporary files for staging all the data, these temporary files are
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// cleaned automatically when the caller i.e http client closes the
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// stream after uploading all the contents successfully.
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func (c *Client) putObjectMultipartStreamFromReadAt(ctx context.Context, bucketName, objectName string,
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reader io.ReaderAt, size int64, opts PutObjectOptions,
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) (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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// Calculate the optimal parts info for a given size.
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totalPartsCount, partSize, lastPartSize, err := OptimalPartInfo(size, opts.PartSize)
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if err != nil {
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return UploadInfo{}, err
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}
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withChecksum := c.trailingHeaderSupport
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if withChecksum {
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if opts.UserMetadata == nil {
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opts.UserMetadata = make(map[string]string, 1)
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}
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opts.UserMetadata["X-Amz-Checksum-Algorithm"] = "CRC32C"
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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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// Aborts the multipart upload in progress, if the
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// function returns any error, since we do not resume
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// we should purge the parts which have been uploaded
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// to relinquish storage space.
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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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// Total data read and written to server. should be equal to '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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// Declare a channel that sends the next part number to be uploaded.
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uploadPartsCh := make(chan uploadPartReq)
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// Declare a channel that sends back the response of a part upload.
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uploadedPartsCh := make(chan uploadedPartRes)
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// Used for readability, lastPartNumber is always totalPartsCount.
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lastPartNumber := totalPartsCount
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partitionCtx, partitionCancel := context.WithCancel(ctx)
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defer partitionCancel()
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// Send each part number to the channel to be processed.
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go func() {
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defer close(uploadPartsCh)
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for p := 1; p <= totalPartsCount; p++ {
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select {
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case <-partitionCtx.Done():
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return
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case uploadPartsCh <- uploadPartReq{PartNum: p}:
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}
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}
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}()
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// Receive each part number from the channel allowing three parallel uploads.
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for w := 1; w <= opts.getNumThreads(); w++ {
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go func(partSize int64) {
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for {
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var uploadReq uploadPartReq
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var ok bool
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select {
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case <-ctx.Done():
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return
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case uploadReq, ok = <-uploadPartsCh:
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if !ok {
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return
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}
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// Each worker will draw from the part channel and upload in parallel.
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}
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// If partNumber was not uploaded we calculate the missing
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// part offset and size. For all other part numbers we
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// calculate offset based on multiples of partSize.
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readOffset := int64(uploadReq.PartNum-1) * partSize
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// As a special case if partNumber is lastPartNumber, we
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// calculate the offset based on the last part size.
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if uploadReq.PartNum == lastPartNumber {
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readOffset = size - lastPartSize
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partSize = lastPartSize
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}
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sectionReader := newHook(io.NewSectionReader(reader, readOffset, partSize), opts.Progress)
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trailer := make(http.Header, 1)
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if withChecksum {
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crc := crc32.New(crc32.MakeTable(crc32.Castagnoli))
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trailer.Set("x-amz-checksum-crc32c", base64.StdEncoding.EncodeToString(crc.Sum(nil)))
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sectionReader = newHashReaderWrapper(sectionReader, crc, func(hash []byte) {
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trailer.Set("x-amz-checksum-crc32c", base64.StdEncoding.EncodeToString(hash))
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})
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}
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// Proceed to upload the part.
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p := uploadPartParams{
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bucketName: bucketName,
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objectName: objectName,
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uploadID: uploadID,
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reader: sectionReader,
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partNumber: uploadReq.PartNum,
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size: partSize,
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sse: opts.ServerSideEncryption,
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streamSha256: !opts.DisableContentSha256,
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sha256Hex: "",
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trailer: trailer,
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}
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objPart, err := c.uploadPart(ctx, p)
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if err != nil {
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uploadedPartsCh <- uploadedPartRes{
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Error: err,
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}
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// Exit the goroutine.
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return
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}
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// Save successfully uploaded part metadata.
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uploadReq.Part = objPart
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// Send successful part info through the channel.
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uploadedPartsCh <- uploadedPartRes{
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Size: objPart.Size,
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PartNum: uploadReq.PartNum,
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Part: uploadReq.Part,
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}
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}
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}(partSize)
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}
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// Gather the responses as they occur and update any
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// progress bar.
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for u := 1; u <= totalPartsCount; u++ {
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select {
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case <-ctx.Done():
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return UploadInfo{}, ctx.Err()
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case uploadRes := <-uploadedPartsCh:
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if uploadRes.Error != nil {
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return UploadInfo{}, uploadRes.Error
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}
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// Update the totalUploadedSize.
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totalUploadedSize += uploadRes.Size
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complMultipartUpload.Parts = append(complMultipartUpload.Parts, CompletePart{
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ETag: uploadRes.Part.ETag,
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PartNumber: uploadRes.Part.PartNumber,
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ChecksumCRC32: uploadRes.Part.ChecksumCRC32,
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ChecksumCRC32C: uploadRes.Part.ChecksumCRC32C,
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ChecksumSHA1: uploadRes.Part.ChecksumSHA1,
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ChecksumSHA256: uploadRes.Part.ChecksumSHA256,
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})
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}
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}
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// Verify if we uploaded all the data.
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if totalUploadedSize != size {
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return UploadInfo{}, errUnexpectedEOF(totalUploadedSize, size, bucketName, objectName)
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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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}
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if withChecksum {
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// Add hash of hashes.
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crc := crc32.New(crc32.MakeTable(crc32.Castagnoli))
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for _, part := range complMultipartUpload.Parts {
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cs, err := base64.StdEncoding.DecodeString(part.ChecksumCRC32C)
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if err == nil {
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crc.Write(cs)
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}
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}
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opts.UserMetadata = map[string]string{"X-Amz-Checksum-Crc32c": base64.StdEncoding.EncodeToString(crc.Sum(nil))}
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}
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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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func (c *Client) putObjectMultipartStreamOptionalChecksum(ctx context.Context, bucketName, objectName string,
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reader io.Reader, size int64, opts PutObjectOptions,
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) (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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if !opts.SendContentMd5 {
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if opts.UserMetadata == nil {
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opts.UserMetadata = make(map[string]string, 1)
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}
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opts.UserMetadata["X-Amz-Checksum-Algorithm"] = "CRC32C"
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}
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// Calculate the optimal parts info for a given size.
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totalPartsCount, partSize, lastPartSize, err := OptimalPartInfo(size, opts.PartSize)
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if err != nil {
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return UploadInfo{}, err
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}
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// Initiates a new multipart request
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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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// Aborts the multipart upload if the function returns
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// any error, since we do not resume we should purge
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// the parts which have been uploaded to relinquish
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// storage space.
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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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// Create checksums
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// CRC32C is ~50% faster on AMD64 @ 30GB/s
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var crcBytes []byte
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customHeader := make(http.Header)
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crc := crc32.New(crc32.MakeTable(crc32.Castagnoli))
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md5Hash := c.md5Hasher()
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defer md5Hash.Close()
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// Total data read and written to server. should be equal to 'size' at the end of the call.
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var totalUploadedSize int64
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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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// Avoid declaring variables in the for loop
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var md5Base64 string
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// Part number always starts with '1'.
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var partNumber int
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for partNumber = 1; partNumber <= totalPartsCount; partNumber++ {
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// Proceed to upload the part.
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if partNumber == totalPartsCount {
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partSize = lastPartSize
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}
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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 && err != io.EOF {
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return UploadInfo{}, rerr
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}
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// Calculate md5sum.
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if opts.SendContentMd5 {
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md5Hash.Reset()
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md5Hash.Write(buf[:length])
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md5Base64 = base64.StdEncoding.EncodeToString(md5Hash.Sum(nil))
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} else {
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// Add CRC32C instead.
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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("x-amz-checksum-crc32c", base64.StdEncoding.EncodeToString(cSum))
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crcBytes = append(crcBytes, cSum...)
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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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hooked := newHook(bytes.NewReader(buf[:length]), opts.Progress)
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p := uploadPartParams{bucketName: bucketName, objectName: objectName, uploadID: uploadID, reader: hooked, partNumber: partNumber, md5Base64: md5Base64, size: partSize, sse: opts.ServerSideEncryption, streamSha256: !opts.DisableContentSha256, customHeader: customHeader}
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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 += partSize
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}
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// Verify if we uploaded all the data.
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if size > 0 {
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if totalUploadedSize != size {
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return UploadInfo{}, errUnexpectedEOF(totalUploadedSize, size, bucketName, objectName)
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}
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}
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// Complete multipart upload.
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var complMultipartUpload completeMultipartUpload
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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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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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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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})
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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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}
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if len(crcBytes) > 0 {
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// Add hash of hashes.
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crc.Reset()
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crc.Write(crcBytes)
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opts.UserMetadata = map[string]string{"X-Amz-Checksum-Crc32c": base64.StdEncoding.EncodeToString(crc.Sum(nil))}
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}
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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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// putObjectMultipartStreamParallel uploads opts.NumThreads parts in parallel.
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// This is expected to take opts.PartSize * opts.NumThreads * (GOGC / 100) bytes of buffer.
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func (c *Client) putObjectMultipartStreamParallel(ctx context.Context, bucketName, objectName string,
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reader io.Reader, opts PutObjectOptions,
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) (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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if !opts.SendContentMd5 {
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if opts.UserMetadata == nil {
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opts.UserMetadata = make(map[string]string, 1)
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}
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opts.UserMetadata["X-Amz-Checksum-Algorithm"] = "CRC32C"
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}
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// Cancel all when an error occurs.
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ctx, cancel := context.WithCancel(ctx)
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defer cancel()
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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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// Initiates a new multipart request
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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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// Aborts the multipart upload if the function returns
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// any error, since we do not resume we should purge
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// the parts which have been uploaded to relinquish
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// storage space.
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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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// Create checksums
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// CRC32C is ~50% faster on AMD64 @ 30GB/s
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var crcBytes []byte
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crc := crc32.New(crc32.MakeTable(crc32.Castagnoli))
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|
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// 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
|
|
}
|