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feat: refactor offline download (#5408 close #4108)

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* wip: refactor offline download (#5331)

* base tool

* working: aria2

* refactor: change type of percentage to float64

* wip: adapt aria2

* wip: use items in offline_download

* wip: use tool manager

* wip: adapt qBittorrent

* chore: fix typo

* Squashed commit of the following:

commit 4fc0a77565
Author: Andy Hsu <i@nn.ci>
Date:   Fri Oct 20 21:06:25 2023 +0800

    fix(baidu_netdisk): upload file > 4GB (close #5392)

commit aaffaee2b5
Author: gmugu <94156510@qq.com>
Date:   Thu Oct 19 19:17:53 2023 +0800

    perf(webdav): support request with cookies (#5391)

commit 8ef8023c20
Author: NewbieOrange <NewbieOrange@users.noreply.github.com>
Date:   Thu Oct 19 19:17:09 2023 +0800

    fix(aliyundrive_open): upload progress for normal upload (#5398)

commit cdfbe6dcf2
Author: foxxorcat <95907542+foxxorcat@users.noreply.github.com>
Date:   Wed Oct 18 16:27:07 2023 +0800

    fix: hash gcid empty file (#5394)

commit 94d028743a
Author: Andy Hsu <i@nn.ci>
Date:   Sat Oct 14 13:17:51 2023 +0800

    ci: remove `pr-welcome` label when close issue [skip ci]

commit 7f7335435c
Author: itsHenry <2671230065@qq.com>
Date:   Sat Oct 14 13:12:46 2023 +0800

    feat(cloudreve): support thumbnail (#5373 close #5348)

    * feat(cloudreve): support thumbnail

    * chore: remove unnecessary code

commit b9e192b29c
Author: foxxorcat <95907542+foxxorcat@users.noreply.github.com>
Date:   Thu Oct 12 20:57:12 2023 +0800

    fix(115): limit request rate (#5367 close #5275)

    * fix(115):limit request rate

    * chore(115): fix unit of `limit_rate`

    ---------

    Co-authored-by: Andy Hsu <i@nn.ci>

commit 69a98eaef6
Author: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Date:   Wed Oct 11 22:01:55 2023 +0800

    fix(deps): update module github.com/aliyun/aliyun-oss-go-sdk to v2.2.9+incompatible (#5141)

    Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

commit 1ebc96a4e5
Author: Andy Hsu <i@nn.ci>
Date:   Tue Oct 10 18:32:00 2023 +0800

    fix(wopan): fatal error concurrent map writes (close #5352)

commit 66e2324cac
Author: Andy Hsu <i@nn.ci>
Date:   Tue Oct 10 18:23:11 2023 +0800

    chore(deps): upgrade dependencies

commit 7600dc28df
Author: Andy Hsu <i@nn.ci>
Date:   Tue Oct 10 18:13:58 2023 +0800

    fix(aliyundrive_open): change default api to raw server (close #5358)

commit 8ef89ad0a4
Author: foxxorcat <95907542+foxxorcat@users.noreply.github.com>
Date:   Tue Oct 10 18:08:27 2023 +0800

    fix(baidu_netdisk): hash and `error 2` (#5356)

    * fix(baidu):hash and error:2

    * fix:invalid memory address

commit 35d672217d
Author: jeffmingup <1960588251@qq.com>
Date:   Sun Oct 8 19:29:45 2023 +0800

    fix(onedrive_app): incorrect api on `_accessToken` (#5346)

commit 1a283bb272
Author: foxxorcat <95907542+foxxorcat@users.noreply.github.com>
Date:   Fri Oct 6 16:04:39 2023 +0800

    feat(google_drive): add `hash_info`, `ctime`, `thumbnail` (#5334)

commit a008f54f4d
Author: nkh0472 <67589323+nkh0472@users.noreply.github.com>
Date:   Thu Oct 5 13:10:51 2023 +0800

    docs: minor language improvements (#5329) [skip ci]

* fix: adapt update progress type

* Squashed commit of the following:

commit 65c5ec0c34
Author: itsHenry <2671230065@qq.com>
Date:   Sat Nov 4 13:35:09 2023 +0800

    feat(cloudreve): folder size count and switch (#5457 close #5395)

commit a6325967d0
Author: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Date:   Mon Oct 30 15:11:20 2023 +0800

    fix(deps): update module github.com/charmbracelet/lipgloss to v0.9.1 (#5234)

    Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

commit 4dff49470a
Author: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Date:   Mon Oct 30 15:10:36 2023 +0800

    fix(deps): update golang.org/x/exp digest to 7918f67 (#5366)

    Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

commit cc86d6f3d1
Author: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Date:   Sun Oct 29 14:45:55 2023 +0800

    fix(deps): update module golang.org/x/net to v0.17.0 [security] (#5370)

    Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

commit c0f9c8ebaf
Author: Andy Hsu <i@nn.ci>
Date:   Thu Oct 26 19:21:09 2023 +0800

    feat: add ignore direct link params (close #5434)
This commit is contained in:
Andy Hsu
2023-11-06 16:56:55 +08:00
committed by GitHub
parent 3bbdd4fa89
commit 769281bd40
48 changed files with 1238 additions and 258 deletions
Download Patch File Download Diff File Expand all files Collapse all files

84
internal/offline_download/tool/add.go Normal file
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package tool
import (
"context"
"fmt"
"path/filepath"
"github.com/alist-org/alist/v3/internal/conf"
"github.com/alist-org/alist/v3/internal/errs"
"github.com/alist-org/alist/v3/internal/op"
"github.com/alist-org/alist/v3/pkg/task"
"github.com/google/uuid"
"github.com/pkg/errors"
)
type AddURLArgs struct {
URL string
DstDirPath string
Tool string
}
func AddURL(ctx context.Context, args *AddURLArgs) error {
// get tool
tool, err := Tools.Get(args.Tool)
if err != nil {
return errors.Wrapf(err, "failed get tool")
}
// check tool is ready
if !tool.IsReady() {
// try to init tool
if _, err := tool.Init(); err != nil {
return errors.Wrapf(err, "failed init tool %s", args.Tool)
}
}
// check storage
storage, dstDirActualPath, err := op.GetStorageAndActualPath(args.DstDirPath)
if err != nil {
return errors.WithMessage(err, "failed get storage")
}
// check is it could upload
if storage.Config().NoUpload {
return errors.WithStack(errs.UploadNotSupported)
}
// check path is valid
obj, err := op.Get(ctx, storage, dstDirActualPath)
if err != nil {
if !errs.IsObjectNotFound(err) {
return errors.WithMessage(err, "failed get object")
}
} else {
if !obj.IsDir() {
// can't add to a file
return errors.WithStack(errs.NotFolder)
}
}
uid := uuid.NewString()
tempDir := filepath.Join(conf.Conf.TempDir, args.Tool, uid)
signal := make(chan int)
gid, err := tool.AddURL(&AddUrlArgs{
Url: args.URL,
UID: uid,
TempDir: tempDir,
Signal: signal,
})
if err != nil {
return errors.Wrapf(err, "[%s] failed to add uri %s", args.Tool, args.URL)
}
DownTaskManager.Submit(task.WithCancelCtx(&task.Task[string]{
ID: gid,
Name: fmt.Sprintf("download %s to [%s](%s)", args.URL, storage.GetStorage().MountPath, dstDirActualPath),
Func: func(tsk *task.Task[string]) error {
m := &Monitor{
tool: tool,
tsk: tsk,
tempDir: tempDir,
dstDirPath: args.DstDirPath,
signal: signal,
}
return m.Loop()
},
}))
return nil
}

17
internal/offline_download/tool/all_test.go Normal file
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@ -0,0 +1,17 @@
package tool_test
import (
"testing"
"github.com/alist-org/alist/v3/internal/offline_download/tool"
)
func TestGetFiles(t *testing.T) {
files, err := tool.GetFiles("..")
if err != nil {
t.Fatal(err)
}
for _, file := range files {
t.Log(file.Name, file.Size, file.Path, file.Modified)
}
}

59
internal/offline_download/tool/base.go Normal file
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@ -0,0 +1,59 @@
package tool
import (
"io"
"os"
"time"
"github.com/alist-org/alist/v3/internal/model"
)
type AddUrlArgs struct {
Url string
UID string
TempDir string
Signal chan int
}
type Status struct {
Progress float64
NewTID string
Completed bool
Status string
Err error
}
type Tool interface {
// Items return the setting items the tool need
Items() []model.SettingItem
Init() (string, error)
IsReady() bool
// AddURL add an uri to download, return the task id
AddURL(args *AddUrlArgs) (string, error)
// Remove the download if task been canceled
Remove(tid string) error
// Status return the status of the download task, if an error occurred, return the error in Status.Err
Status(tid string) (*Status, error)
// GetFiles return the files of the download task, if nil, means walk the temp dir to get the files
GetFiles(tid string) []File
}
type File struct {
// ReadCloser for http client
io.ReadCloser
Name string
Size int64
Path string
Modified time.Time
}
func (f *File) GetReadCloser() (io.ReadCloser, error) {
if f.ReadCloser != nil {
return f.ReadCloser, nil
}
file, err := os.Open(f.Path)
if err != nil {
return nil, err
}
return file, nil
}

159
internal/offline_download/tool/monitor.go Normal file
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@ -0,0 +1,159 @@
package tool
import (
"fmt"
"os"
"path/filepath"
"sync"
"sync/atomic"
"time"
"github.com/alist-org/alist/v3/internal/model"
"github.com/alist-org/alist/v3/internal/op"
"github.com/alist-org/alist/v3/internal/stream"
"github.com/alist-org/alist/v3/pkg/task"
"github.com/alist-org/alist/v3/pkg/utils"
"github.com/pkg/errors"
log "github.com/sirupsen/logrus"
)
type Monitor struct {
tool Tool
tsk *task.Task[string]
tempDir string
retried int
dstDirPath string
finish chan struct{}
signal chan int
}
func (m *Monitor) Loop() error {
m.finish = make(chan struct{})
var (
err error
ok bool
)
outer:
for {
select {
case <-m.tsk.Ctx.Done():
err := m.tool.Remove(m.tsk.ID)
return err
case <-m.signal:
ok, err = m.Update()
if ok {
break outer
}
case <-time.After(time.Second * 2):
ok, err = m.Update()
if ok {
break outer
}
}
}
if err != nil {
return err
}
m.tsk.SetStatus("aria2 download completed, transferring")
<-m.finish
m.tsk.SetStatus("completed")
return nil
}
// Update download status, return true if download completed
func (m *Monitor) Update() (bool, error) {
info, err := m.tool.Status(m.tsk.ID)
if err != nil {
m.retried++
log.Errorf("failed to get status of %s, retried %d times", m.tsk.ID, m.retried)
return false, nil
}
if m.retried > 5 {
return true, errors.Errorf("failed to get status of %s, retried %d times", m.tsk.ID, m.retried)
}
m.retried = 0
m.tsk.SetProgress(info.Progress)
m.tsk.SetStatus("tool: " + info.Status)
if info.NewTID != "" {
log.Debugf("followen by: %+v", info.NewTID)
DownTaskManager.RawTasks().Delete(m.tsk.ID)
m.tsk.ID = info.NewTID
DownTaskManager.RawTasks().Store(m.tsk.ID, m.tsk)
return false, nil
}
// if download completed
if info.Completed {
err := m.Complete()
return true, errors.WithMessage(err, "failed to transfer file")
}
// if download failed
if info.Err != nil {
return true, errors.Errorf("failed to download %s, error: %s", m.tsk.ID, info.Err.Error())
}
return false, nil
}
var TransferTaskManager = task.NewTaskManager(3, func(k *uint64) {
atomic.AddUint64(k, 1)
})
func (m *Monitor) Complete() error {
// check dstDir again
storage, dstDirActualPath, err := op.GetStorageAndActualPath(m.dstDirPath)
if err != nil {
return errors.WithMessage(err, "failed get storage")
}
var files []File
if f := m.tool.GetFiles(m.tsk.ID); f != nil {
files = f
} else {
files, err = GetFiles(m.tempDir)
if err != nil {
return errors.Wrapf(err, "failed to get files")
}
}
// upload files
var wg sync.WaitGroup
wg.Add(len(files))
go func() {
wg.Wait()
err := os.RemoveAll(m.tempDir)
m.finish <- struct{}{}
if err != nil {
log.Errorf("failed to remove aria2 temp dir: %+v", err.Error())
}
}()
for i, _ := range files {
file := files[i]
TransferTaskManager.Submit(task.WithCancelCtx(&task.Task[uint64]{
Name: fmt.Sprintf("transfer %s to [%s](%s)", file.Path, storage.GetStorage().MountPath, dstDirActualPath),
Func: func(tsk *task.Task[uint64]) error {
defer wg.Done()
mimetype := utils.GetMimeType(file.Path)
rc, err := file.GetReadCloser()
if err != nil {
return errors.Wrapf(err, "failed to open file %s", file.Path)
}
s := &stream.FileStream{
Ctx: nil,
Obj: &model.Object{
Name: filepath.Base(file.Path),
Size: file.Size,
Modified: file.Modified,
IsFolder: false,
},
Reader: rc,
Mimetype: mimetype,
Closers: utils.NewClosers(rc),
}
relDir, err := filepath.Rel(m.tempDir, filepath.Dir(file.Path))
if err != nil {
log.Errorf("find relation directory error: %v", err)
}
newDistDir := filepath.Join(dstDirActualPath, relDir)
return op.Put(tsk.Ctx, storage, newDistDir, s, tsk.SetProgress)
},
}))
}
return nil
}

42
internal/offline_download/tool/tools.go Normal file
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@ -0,0 +1,42 @@
package tool
import (
"fmt"
"github.com/alist-org/alist/v3/internal/model"
"github.com/alist-org/alist/v3/pkg/task"
)
var (
Tools = make(ToolsManager)
DownTaskManager = task.NewTaskManager[string](3)
)
type ToolsManager map[string]Tool
func (t ToolsManager) Get(name string) (Tool, error) {
if tool, ok := t[name]; ok {
return tool, nil
}
return nil, fmt.Errorf("tool %s not found", name)
}
func (t ToolsManager) Add(name string, tool Tool) {
t[name] = tool
}
func (t ToolsManager) Names() []string {
names := make([]string, 0, len(t))
for name := range t {
names = append(names, name)
}
return names
}
func (t ToolsManager) Items() []model.SettingItem {
var items []model.SettingItem
for _, tool := range t {
items = append(items, tool.Items()...)
}
return items
}

28
internal/offline_download/tool/util.go Normal file
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@ -0,0 +1,28 @@
package tool
import (
"os"
"path/filepath"
)
func GetFiles(dir string) ([]File, error) {
var files []File
err := filepath.Walk(dir, func(path string, info os.FileInfo, err error) error {
if err != nil {
return err
}
if !info.IsDir() {
files = append(files, File{
Name: info.Name(),
Size: info.Size(),
Path: path,
Modified: info.ModTime(),
})
}
return nil
})
if err != nil {
return nil, err
}
return files, nil
}