/
upload.go
269 lines (251 loc) · 7.63 KB
/
upload.go
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package aliyundrive_open
import (
"bytes"
"context"
"encoding/base64"
"fmt"
"github.com/alist-org/alist/v3/pkg/http_range"
"io"
"math"
"net/http"
"strconv"
"strings"
"time"
"github.com/alist-org/alist/v3/drivers/base"
"github.com/alist-org/alist/v3/internal/driver"
"github.com/alist-org/alist/v3/internal/model"
"github.com/alist-org/alist/v3/pkg/utils"
"github.com/avast/retry-go"
"github.com/go-resty/resty/v2"
log "github.com/sirupsen/logrus"
)
func makePartInfos(size int) []base.Json {
partInfoList := make([]base.Json, size)
for i := 0; i < size; i++ {
partInfoList[i] = base.Json{"part_number": 1 + i}
}
return partInfoList
}
func calPartSize(fileSize int64) int64 {
var partSize int64 = 20 * utils.MB
if fileSize > partSize {
if fileSize > 1*utils.TB { // file Size over 1TB
partSize = 5 * utils.GB // file part size 5GB
} else if fileSize > 768*utils.GB { // over 768GB
partSize = 109951163 // ≈ 104.8576MB, split 1TB into 10,000 part
} else if fileSize > 512*utils.GB { // over 512GB
partSize = 82463373 // ≈ 78.6432MB
} else if fileSize > 384*utils.GB { // over 384GB
partSize = 54975582 // ≈ 52.4288MB
} else if fileSize > 256*utils.GB { // over 256GB
partSize = 41231687 // ≈ 39.3216MB
} else if fileSize > 128*utils.GB { // over 128GB
partSize = 27487791 // ≈ 26.2144MB
}
}
return partSize
}
func (d *AliyundriveOpen) getUploadUrl(count int, fileId, uploadId string) ([]PartInfo, error) {
partInfoList := makePartInfos(count)
var resp CreateResp
_, err := d.request("/adrive/v1.0/openFile/getUploadUrl", http.MethodPost, func(req *resty.Request) {
req.SetBody(base.Json{
"drive_id": d.DriveId,
"file_id": fileId,
"part_info_list": partInfoList,
"upload_id": uploadId,
}).SetResult(&resp)
})
return resp.PartInfoList, err
}
func (d *AliyundriveOpen) uploadPart(ctx context.Context, r io.Reader, partInfo PartInfo) error {
uploadUrl := partInfo.UploadUrl
if d.InternalUpload {
uploadUrl = strings.ReplaceAll(uploadUrl, "https://cn-beijing-data.aliyundrive.net/", "http://ccp-bj29-bj-1592982087.oss-cn-beijing-internal.aliyuncs.com/")
}
req, err := http.NewRequestWithContext(ctx, "PUT", uploadUrl, r)
if err != nil {
return err
}
res, err := base.HttpClient.Do(req)
if err != nil {
return err
}
res.Body.Close()
if res.StatusCode != http.StatusOK && res.StatusCode != http.StatusConflict {
return fmt.Errorf("upload status: %d", res.StatusCode)
}
return nil
}
func (d *AliyundriveOpen) completeUpload(fileId, uploadId string) (model.Obj, error) {
// 3. complete
var newFile File
_, err := d.request("/adrive/v1.0/openFile/complete", http.MethodPost, func(req *resty.Request) {
req.SetBody(base.Json{
"drive_id": d.DriveId,
"file_id": fileId,
"upload_id": uploadId,
}).SetResult(&newFile)
})
if err != nil {
return nil, err
}
return fileToObj(newFile), nil
}
type ProofRange struct {
Start int64
End int64
}
func getProofRange(input string, size int64) (*ProofRange, error) {
if size == 0 {
return &ProofRange{}, nil
}
tmpStr := utils.GetMD5EncodeStr(input)[0:16]
tmpInt, err := strconv.ParseUint(tmpStr, 16, 64)
if err != nil {
return nil, err
}
index := tmpInt % uint64(size)
pr := &ProofRange{
Start: int64(index),
End: int64(index) + 8,
}
if pr.End >= size {
pr.End = size
}
return pr, nil
}
func (d *AliyundriveOpen) calProofCode(stream model.FileStreamer) (string, error) {
proofRange, err := getProofRange(d.AccessToken, stream.GetSize())
if err != nil {
return "", err
}
length := proofRange.End - proofRange.Start
buf := bytes.NewBuffer(make([]byte, 0, length))
reader, err := stream.RangeRead(http_range.Range{Start: proofRange.Start, Length: length})
if err != nil {
return "", err
}
_, err = io.CopyN(buf, reader, length)
if err != nil {
return "", err
}
return base64.StdEncoding.EncodeToString(buf.Bytes()), nil
}
func (d *AliyundriveOpen) upload(ctx context.Context, dstDir model.Obj, stream model.FileStreamer, up driver.UpdateProgress) (model.Obj, error) {
// 1. create
// Part Size Unit: Bytes, Default: 20MB,
// Maximum number of slices 10,000, ≈195.3125GB
var partSize = calPartSize(stream.GetSize())
const dateFormat = "2006-01-02T15:04:05.000Z"
mtimeStr := stream.ModTime().UTC().Format(dateFormat)
ctimeStr := stream.CreateTime().UTC().Format(dateFormat)
createData := base.Json{
"drive_id": d.DriveId,
"parent_file_id": dstDir.GetID(),
"name": stream.GetName(),
"type": "file",
"check_name_mode": "ignore",
"local_modified_at": mtimeStr,
"local_created_at": ctimeStr,
}
count := int(math.Ceil(float64(stream.GetSize()) / float64(partSize)))
createData["part_info_list"] = makePartInfos(count)
// rapid upload
rapidUpload := stream.GetSize() > 100*utils.KB && d.RapidUpload
if rapidUpload {
log.Debugf("[aliyundrive_open] start cal pre_hash")
// read 1024 bytes to calculate pre hash
reader, err := stream.RangeRead(http_range.Range{Start: 0, Length: 1024})
if err != nil {
return nil, err
}
hash, err := utils.HashReader(utils.SHA1, reader)
if err != nil {
return nil, err
}
createData["size"] = stream.GetSize()
createData["pre_hash"] = hash
}
var createResp CreateResp
_, err, e := d.requestReturnErrResp("/adrive/v1.0/openFile/create", http.MethodPost, func(req *resty.Request) {
req.SetBody(createData).SetResult(&createResp)
})
var tmpF model.File
if err != nil {
if e.Code != "PreHashMatched" || !rapidUpload {
return nil, err
}
log.Debugf("[aliyundrive_open] pre_hash matched, start rapid upload")
hi := stream.GetHash()
hash := hi.GetHash(utils.SHA1)
if len(hash) <= 0 {
tmpF, err = stream.CacheFullInTempFile()
if err != nil {
return nil, err
}
hash, err = utils.HashFile(utils.SHA1, tmpF)
if err != nil {
return nil, err
}
}
delete(createData, "pre_hash")
createData["proof_version"] = "v1"
createData["content_hash_name"] = "sha1"
createData["content_hash"] = hash
createData["proof_code"], err = d.calProofCode(stream)
if err != nil {
return nil, fmt.Errorf("cal proof code error: %s", err.Error())
}
_, err = d.request("/adrive/v1.0/openFile/create", http.MethodPost, func(req *resty.Request) {
req.SetBody(createData).SetResult(&createResp)
})
if err != nil {
return nil, err
}
}
if !createResp.RapidUpload {
// 2. normal upload
log.Debugf("[aliyundive_open] normal upload")
preTime := time.Now()
var offset, length int64 = 0, partSize
//var length
for i := 0; i < len(createResp.PartInfoList); i++ {
if utils.IsCanceled(ctx) {
return nil, ctx.Err()
}
// refresh upload url if 50 minutes passed
if time.Since(preTime) > 50*time.Minute {
createResp.PartInfoList, err = d.getUploadUrl(count, createResp.FileId, createResp.UploadId)
if err != nil {
return nil, err
}
preTime = time.Now()
}
if remain := stream.GetSize() - offset; length > remain {
length = remain
}
//rd := utils.NewMultiReadable(io.LimitReader(stream, partSize))
rd, err := stream.RangeRead(http_range.Range{Start: offset, Length: length})
if err != nil {
return nil, err
}
err = retry.Do(func() error {
//rd.Reset()
return d.uploadPart(ctx, rd, createResp.PartInfoList[i])
},
retry.Attempts(3),
retry.DelayType(retry.BackOffDelay),
retry.Delay(time.Second))
if err != nil {
return nil, err
}
offset += partSize
}
} else {
log.Debugf("[aliyundrive_open] rapid upload success, file id: %s", createResp.FileId)
}
log.Debugf("[aliyundrive_open] create file success, resp: %+v", createResp)
// 3. complete
return d.completeUpload(createResp.FileId, createResp.UploadId)
}