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driver.go
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driver.go
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package _115
import (
"context"
"strings"
driver115 "github.com/SheltonZhu/115driver/pkg/driver"
"github.com/alist-org/alist/v3/internal/driver"
"github.com/alist-org/alist/v3/internal/model"
"github.com/alist-org/alist/v3/pkg/http_range"
"github.com/alist-org/alist/v3/pkg/utils"
"github.com/pkg/errors"
"golang.org/x/time/rate"
)
type Pan115 struct {
model.Storage
Addition
client *driver115.Pan115Client
limiter *rate.Limiter
}
func (d *Pan115) Config() driver.Config {
return config
}
func (d *Pan115) GetAddition() driver.Additional {
return &d.Addition
}
func (d *Pan115) Init(ctx context.Context) error {
if d.LimitRate > 0 {
d.limiter = rate.NewLimiter(rate.Limit(d.LimitRate), 1)
}
return d.login()
}
func (d *Pan115) WaitLimit(ctx context.Context) error {
if d.limiter != nil {
return d.limiter.Wait(ctx)
}
return nil
}
func (d *Pan115) Drop(ctx context.Context) error {
return nil
}
func (d *Pan115) List(ctx context.Context, dir model.Obj, args model.ListArgs) ([]model.Obj, error) {
if err := d.WaitLimit(ctx); err != nil {
return nil, err
}
files, err := d.getFiles(dir.GetID())
if err != nil && !errors.Is(err, driver115.ErrNotExist) {
return nil, err
}
return utils.SliceConvert(files, func(src FileObj) (model.Obj, error) {
return &src, nil
})
}
func (d *Pan115) Link(ctx context.Context, file model.Obj, args model.LinkArgs) (*model.Link, error) {
if err := d.WaitLimit(ctx); err != nil {
return nil, err
}
var userAgent = args.Header.Get("User-Agent")
downloadInfo, err := d.
DownloadWithUA(file.(*FileObj).PickCode, userAgent)
if err != nil {
return nil, err
}
link := &model.Link{
URL: downloadInfo.Url.Url,
Header: downloadInfo.Header,
}
return link, nil
}
func (d *Pan115) MakeDir(ctx context.Context, parentDir model.Obj, dirName string) error {
if err := d.WaitLimit(ctx); err != nil {
return err
}
if _, err := d.client.Mkdir(parentDir.GetID(), dirName); err != nil {
return err
}
return nil
}
func (d *Pan115) Move(ctx context.Context, srcObj, dstDir model.Obj) error {
if err := d.WaitLimit(ctx); err != nil {
return err
}
return d.client.Move(dstDir.GetID(), srcObj.GetID())
}
func (d *Pan115) Rename(ctx context.Context, srcObj model.Obj, newName string) error {
if err := d.WaitLimit(ctx); err != nil {
return err
}
return d.client.Rename(srcObj.GetID(), newName)
}
func (d *Pan115) Copy(ctx context.Context, srcObj, dstDir model.Obj) error {
if err := d.WaitLimit(ctx); err != nil {
return err
}
return d.client.Copy(dstDir.GetID(), srcObj.GetID())
}
func (d *Pan115) Remove(ctx context.Context, obj model.Obj) error {
if err := d.WaitLimit(ctx); err != nil {
return err
}
return d.client.Delete(obj.GetID())
}
func (d *Pan115) Put(ctx context.Context, dstDir model.Obj, stream model.FileStreamer, up driver.UpdateProgress) error {
if err := d.WaitLimit(ctx); err != nil {
return err
}
var (
fastInfo *driver115.UploadInitResp
dirID = dstDir.GetID()
)
if ok, err := d.client.UploadAvailable(); err != nil || !ok {
return err
}
if stream.GetSize() > d.client.UploadMetaInfo.SizeLimit {
return driver115.ErrUploadTooLarge
}
//if digest, err = d.client.GetDigestResult(stream); err != nil {
// return err
//}
const PreHashSize int64 = 128 * utils.KB
hashSize := PreHashSize
if stream.GetSize() < PreHashSize {
hashSize = stream.GetSize()
}
reader, err := stream.RangeRead(http_range.Range{Start: 0, Length: hashSize})
if err != nil {
return err
}
preHash, err := utils.HashReader(utils.SHA1, reader)
if err != nil {
return err
}
preHash = strings.ToUpper(preHash)
fullHash := stream.GetHash().GetHash(utils.SHA1)
if len(fullHash) <= 0 {
tmpF, err := stream.CacheFullInTempFile()
if err != nil {
return err
}
fullHash, err = utils.HashFile(utils.SHA1, tmpF)
if err != nil {
return err
}
}
fullHash = strings.ToUpper(fullHash)
// rapid-upload
// note that 115 add timeout for rapid-upload,
// and "sig invalid" err is thrown even when the hash is correct after timeout.
if fastInfo, err = d.rapidUpload(stream.GetSize(), stream.GetName(), dirID, preHash, fullHash, stream); err != nil {
return err
}
if matched, err := fastInfo.Ok(); err != nil {
return err
} else if matched {
return nil
}
// 闪传失败,上传
if stream.GetSize() <= utils.KB { // 文件大小小于1KB,改用普通模式上传
return d.client.UploadByOSS(&fastInfo.UploadOSSParams, stream, dirID)
}
// 分片上传
return d.UploadByMultipart(&fastInfo.UploadOSSParams, stream.GetSize(), stream, dirID)
}
var _ driver.Driver = (*Pan115)(nil)