253 lines
6.9 KiB
Go
253 lines
6.9 KiB
Go
package pikpak
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import (
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"bytes"
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"context"
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"crypto/sha1"
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"encoding/hex"
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"errors"
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"fmt"
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"io"
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"net/http"
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"os"
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"github.com/rclone/rclone/backend/pikpak/api"
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"github.com/rclone/rclone/lib/rest"
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)
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// Globals
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const (
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cachePrefix = "rclone-pikpak-sha1sum-"
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)
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// requestDecompress requests decompress of compressed files
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func (f *Fs) requestDecompress(ctx context.Context, file *api.File, password string) (info *api.DecompressResult, err error) {
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req := &api.RequestDecompress{
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Gcid: file.Hash,
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Password: password,
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FileID: file.ID,
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Files: []*api.FileInArchive{},
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DefaultParent: true,
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}
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opts := rest.Opts{
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Method: "POST",
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Path: "/decompress/v1/decompress",
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}
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var resp *http.Response
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err = f.pacer.Call(func() (bool, error) {
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resp, err = f.rst.CallJSON(ctx, &opts, &req, &info)
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return f.shouldRetry(ctx, resp, err)
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})
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return
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}
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// getUserInfo gets UserInfo from API
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func (f *Fs) getUserInfo(ctx context.Context) (info *api.User, err error) {
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opts := rest.Opts{
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Method: "GET",
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RootURL: "https://user.mypikpak.com/v1/user/me",
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}
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var resp *http.Response
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err = f.pacer.Call(func() (bool, error) {
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resp, err = f.rst.CallJSON(ctx, &opts, nil, &info)
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return f.shouldRetry(ctx, resp, err)
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})
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if err != nil {
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return nil, fmt.Errorf("failed to get userinfo: %w", err)
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}
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return
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}
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// getVIPInfo gets VIPInfo from API
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func (f *Fs) getVIPInfo(ctx context.Context) (info *api.VIP, err error) {
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opts := rest.Opts{
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Method: "GET",
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RootURL: "https://api-drive.mypikpak.com/drive/v1/privilege/vip",
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}
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var resp *http.Response
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err = f.pacer.Call(func() (bool, error) {
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resp, err = f.rst.CallJSON(ctx, &opts, nil, &info)
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return f.shouldRetry(ctx, resp, err)
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})
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if err != nil {
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return nil, fmt.Errorf("failed to get vip info: %w", err)
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}
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return
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}
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// requestBatchAction requests batch actions to API
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//
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// action can be one of batch{Copy,Delete,Trash,Untrash}
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func (f *Fs) requestBatchAction(ctx context.Context, action string, req *api.RequestBatch) (err error) {
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opts := rest.Opts{
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Method: "POST",
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Path: "/drive/v1/files:" + action,
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NoResponse: true, // Only returns `{"task_id":""}
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}
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var resp *http.Response
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err = f.pacer.Call(func() (bool, error) {
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resp, err = f.rst.CallJSON(ctx, &opts, &req, nil)
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return f.shouldRetry(ctx, resp, err)
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})
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if err != nil {
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return fmt.Errorf("batch action %q failed: %w", action, err)
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}
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return nil
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}
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// requestNewTask requests a new api.NewTask and returns api.Task
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func (f *Fs) requestNewTask(ctx context.Context, req *api.RequestNewTask) (info *api.Task, err error) {
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opts := rest.Opts{
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Method: "POST",
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Path: "/drive/v1/files",
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}
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var newTask api.NewTask
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var resp *http.Response
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err = f.pacer.Call(func() (bool, error) {
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resp, err = f.rst.CallJSON(ctx, &opts, &req, &newTask)
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return f.shouldRetry(ctx, resp, err)
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})
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if err != nil {
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return nil, err
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}
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return newTask.Task, nil
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}
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// requestNewFile requests a new api.NewFile and returns api.File
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func (f *Fs) requestNewFile(ctx context.Context, req *api.RequestNewFile) (info *api.NewFile, err error) {
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opts := rest.Opts{
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Method: "POST",
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Path: "/drive/v1/files",
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}
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var resp *http.Response
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err = f.pacer.Call(func() (bool, error) {
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resp, err = f.rst.CallJSON(ctx, &opts, &req, &info)
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return f.shouldRetry(ctx, resp, err)
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})
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return
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}
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// getFile gets api.File from API for the ID passed
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// and returns rich information containing additional fields below
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// * web_content_link
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// * thumbnail_link
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// * links
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// * medias
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func (f *Fs) getFile(ctx context.Context, ID string) (info *api.File, err error) {
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opts := rest.Opts{
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Method: "GET",
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Path: "/drive/v1/files/" + ID,
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}
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var resp *http.Response
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err = f.pacer.Call(func() (bool, error) {
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resp, err = f.rst.CallJSON(ctx, &opts, nil, &info)
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if err == nil && info.Phase != api.PhaseTypeComplete {
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// could be pending right after file is created/uploaded.
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return true, errors.New("not PHASE_TYPE_COMPLETE")
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}
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return f.shouldRetry(ctx, resp, err)
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})
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return
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}
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// patchFile updates attributes of the file by ID
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//
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// currently known patchable fields are
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// * name
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func (f *Fs) patchFile(ctx context.Context, ID string, req *api.File) (info *api.File, err error) {
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opts := rest.Opts{
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Method: "PATCH",
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Path: "/drive/v1/files/" + ID,
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}
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var resp *http.Response
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err = f.pacer.Call(func() (bool, error) {
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resp, err = f.rst.CallJSON(ctx, &opts, &req, &info)
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return f.shouldRetry(ctx, resp, err)
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})
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return
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}
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// getAbout gets drive#quota information from server
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func (f *Fs) getAbout(ctx context.Context) (info *api.About, err error) {
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opts := rest.Opts{
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Method: "GET",
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Path: "/drive/v1/about",
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}
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var resp *http.Response
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err = f.pacer.Call(func() (bool, error) {
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resp, err = f.rst.CallJSON(ctx, &opts, nil, &info)
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return f.shouldRetry(ctx, resp, err)
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})
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return
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}
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// requestShare returns information about sharable links
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func (f *Fs) requestShare(ctx context.Context, req *api.RequestShare) (info *api.Share, err error) {
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opts := rest.Opts{
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Method: "POST",
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Path: "/drive/v1/share",
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}
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var resp *http.Response
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err = f.pacer.Call(func() (bool, error) {
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resp, err = f.rst.CallJSON(ctx, &opts, &req, &info)
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return f.shouldRetry(ctx, resp, err)
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})
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return
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}
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// Read the sha1 of in returning a reader which will read the same contents
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//
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// The cleanup function should be called when out is finished with
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// regardless of whether this function returned an error or not.
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func readSHA1(in io.Reader, size, threshold int64) (sha1sum string, out io.Reader, cleanup func(), err error) {
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// we need an SHA1
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hash := sha1.New()
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// use the teeReader to write to the local file AND calculate the SHA1 while doing so
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teeReader := io.TeeReader(in, hash)
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// nothing to clean up by default
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cleanup = func() {}
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// don't cache small files on disk to reduce wear of the disk
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if size > threshold {
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var tempFile *os.File
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// create the cache file
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tempFile, err = os.CreateTemp("", cachePrefix)
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if err != nil {
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return
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}
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_ = os.Remove(tempFile.Name()) // Delete the file - may not work on Windows
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// clean up the file after we are done downloading
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cleanup = func() {
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// the file should normally already be close, but just to make sure
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_ = tempFile.Close()
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_ = os.Remove(tempFile.Name()) // delete the cache file after we are done - may be deleted already
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}
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// copy the ENTIRE file to disc and calculate the SHA1 in the process
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if _, err = io.Copy(tempFile, teeReader); err != nil {
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return
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}
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// jump to the start of the local file so we can pass it along
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if _, err = tempFile.Seek(0, 0); err != nil {
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return
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}
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// replace the already read source with a reader of our cached file
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out = tempFile
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} else {
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// that's a small file, just read it into memory
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var inData []byte
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inData, err = io.ReadAll(teeReader)
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if err != nil {
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return
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}
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// set the reader to our read memory block
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out = bytes.NewReader(inData)
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}
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return hex.EncodeToString(hash.Sum(nil)), out, cleanup, nil
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}
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