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437 lines
11 KiB
Go
437 lines
11 KiB
Go
package fichier
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import (
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"context"
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"fmt"
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"io"
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"net/http"
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"strconv"
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"strings"
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"time"
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"github.com/pkg/errors"
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"github.com/rclone/rclone/fs"
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"github.com/rclone/rclone/fs/config"
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"github.com/rclone/rclone/fs/config/configmap"
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"github.com/rclone/rclone/fs/config/configstruct"
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"github.com/rclone/rclone/fs/fshttp"
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"github.com/rclone/rclone/fs/hash"
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"github.com/rclone/rclone/lib/dircache"
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"github.com/rclone/rclone/lib/encoder"
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"github.com/rclone/rclone/lib/pacer"
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"github.com/rclone/rclone/lib/rest"
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)
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const (
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rootID = "0"
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apiBaseURL = "https://api.1fichier.com/v1"
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minSleep = 400 * time.Millisecond // api is extremely rate limited now
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maxSleep = 5 * time.Second
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decayConstant = 2 // bigger for slower decay, exponential
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attackConstant = 0 // start with max sleep
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)
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func init() {
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fs.Register(&fs.RegInfo{
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Name: "fichier",
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Description: "1Fichier",
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Config: func(name string, config configmap.Mapper) {
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},
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NewFs: NewFs,
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Options: []fs.Option{{
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Help: "Your API Key, get it from https://1fichier.com/console/params.pl",
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Name: "api_key",
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}, {
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Help: "If you want to download a shared folder, add this parameter",
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Name: "shared_folder",
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Required: false,
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Advanced: true,
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}, {
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Name: config.ConfigEncoding,
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Help: config.ConfigEncodingHelp,
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Advanced: true,
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// Characters that need escaping
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//
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// '\\': '＼', // FULLWIDTH REVERSE SOLIDUS
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// '<': '＜', // FULLWIDTH LESS-THAN SIGN
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// '>': '＞', // FULLWIDTH GREATER-THAN SIGN
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// '"': '＂', // FULLWIDTH QUOTATION MARK - not on the list but seems to be reserved
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// '\'': '＇', // FULLWIDTH APOSTROPHE
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// '$': '＄', // FULLWIDTH DOLLAR SIGN
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// '`': '｀', // FULLWIDTH GRAVE ACCENT
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//
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// Leading space and trailing space
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Default: (encoder.Display |
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encoder.EncodeBackSlash |
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encoder.EncodeSingleQuote |
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encoder.EncodeBackQuote |
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encoder.EncodeDoubleQuote |
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encoder.EncodeLtGt |
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encoder.EncodeDollar |
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encoder.EncodeLeftSpace |
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encoder.EncodeRightSpace |
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encoder.EncodeInvalidUtf8),
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}},
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})
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}
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// Options defines the configuration for this backend
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type Options struct {
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APIKey string `config:"api_key"`
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SharedFolder string `config:"shared_folder"`
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Enc encoder.MultiEncoder `config:"encoding"`
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}
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// Fs is the interface a cloud storage system must provide
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type Fs struct {
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root string
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name string
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features *fs.Features
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opt Options
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dirCache *dircache.DirCache
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baseClient *http.Client
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pacer *fs.Pacer
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rest *rest.Client
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}
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// FindLeaf finds a directory of name leaf in the folder with ID pathID
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func (f *Fs) FindLeaf(ctx context.Context, pathID, leaf string) (pathIDOut string, found bool, err error) {
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folderID, err := strconv.Atoi(pathID)
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if err != nil {
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return "", false, err
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}
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folders, err := f.listFolders(ctx, folderID)
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if err != nil {
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return "", false, err
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}
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for _, folder := range folders.SubFolders {
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if folder.Name == leaf {
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pathIDOut := strconv.Itoa(folder.ID)
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return pathIDOut, true, nil
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}
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}
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return "", false, nil
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}
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// CreateDir makes a directory with pathID as parent and name leaf
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func (f *Fs) CreateDir(ctx context.Context, pathID, leaf string) (newID string, err error) {
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folderID, err := strconv.Atoi(pathID)
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if err != nil {
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return "", err
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}
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resp, err := f.makeFolder(ctx, leaf, folderID)
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if err != nil {
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return "", err
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}
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return strconv.Itoa(resp.FolderID), err
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}
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// Name of the remote (as passed into NewFs)
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func (f *Fs) Name() string {
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return f.name
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}
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// Root of the remote (as passed into NewFs)
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func (f *Fs) Root() string {
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return f.root
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}
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// String returns a description of the FS
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func (f *Fs) String() string {
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return fmt.Sprintf("1Fichier root '%s'", f.root)
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}
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// Precision of the ModTimes in this Fs
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func (f *Fs) Precision() time.Duration {
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return fs.ModTimeNotSupported
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}
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// Hashes returns the supported hash types of the filesystem
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func (f *Fs) Hashes() hash.Set {
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return hash.Set(hash.Whirlpool)
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}
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// Features returns the optional features of this Fs
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func (f *Fs) Features() *fs.Features {
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return f.features
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}
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// NewFs makes a new Fs object from the path
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//
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// The path is of the form remote:path
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//
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// Remotes are looked up in the config file. If the remote isn't
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// found then NotFoundInConfigFile will be returned.
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//
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// On Windows avoid single character remote names as they can be mixed
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// up with drive letters.
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func NewFs(name string, root string, config configmap.Mapper) (fs.Fs, error) {
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opt := new(Options)
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err := configstruct.Set(config, opt)
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if err != nil {
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return nil, err
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}
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// If using a Shared Folder override root
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if opt.SharedFolder != "" {
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root = ""
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}
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//workaround for wonky parser
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root = strings.Trim(root, "/")
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f := &Fs{
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name: name,
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root: root,
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opt: *opt,
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pacer: fs.NewPacer(pacer.NewDefault(pacer.MinSleep(minSleep), pacer.MaxSleep(maxSleep), pacer.DecayConstant(decayConstant), pacer.AttackConstant(attackConstant))),
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baseClient: &http.Client{},
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}
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f.features = (&fs.Features{
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DuplicateFiles: true,
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CanHaveEmptyDirectories: true,
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}).Fill(f)
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client := fshttp.NewClient(fs.Config)
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f.rest = rest.NewClient(client).SetRoot(apiBaseURL)
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f.rest.SetHeader("Authorization", "Bearer "+f.opt.APIKey)
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f.dirCache = dircache.New(root, rootID, f)
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ctx := context.Background()
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// Find the current root
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err = f.dirCache.FindRoot(ctx, false)
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if err != nil {
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// Assume it is a file
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newRoot, remote := dircache.SplitPath(root)
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tempF := *f
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tempF.dirCache = dircache.New(newRoot, rootID, &tempF)
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tempF.root = newRoot
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// Make new Fs which is the parent
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err = tempF.dirCache.FindRoot(ctx, false)
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if err != nil {
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// No root so return old f
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return f, nil
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}
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_, err := tempF.NewObject(ctx, remote)
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if err != nil {
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if err == fs.ErrorObjectNotFound {
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// File doesn't exist so return old f
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return f, nil
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}
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return nil, err
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}
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f.features.Fill(&tempF)
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// XXX: update the old f here instead of returning tempF, since
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// `features` were already filled with functions having *f as a receiver.
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// See https://github.com/rclone/rclone/issues/2182
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f.dirCache = tempF.dirCache
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f.root = tempF.root
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// return an error with an fs which points to the parent
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return f, fs.ErrorIsFile
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}
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return f, nil
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}
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// List the objects and directories in dir into entries. The
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// entries can be returned in any order but should be for a
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// complete directory.
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//
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// dir should be "" to list the root, and should not have
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// trailing slashes.
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//
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// This should return ErrDirNotFound if the directory isn't
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// found.
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func (f *Fs) List(ctx context.Context, dir string) (entries fs.DirEntries, err error) {
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if f.opt.SharedFolder != "" {
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return f.listSharedFiles(ctx, f.opt.SharedFolder)
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}
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dirContent, err := f.listDir(ctx, dir)
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if err != nil {
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return nil, err
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}
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return dirContent, nil
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}
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// NewObject finds the Object at remote. If it can't be found
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// it returns the error ErrorObjectNotFound.
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func (f *Fs) NewObject(ctx context.Context, remote string) (fs.Object, error) {
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leaf, directoryID, err := f.dirCache.FindRootAndPath(ctx, remote, false)
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if err != nil {
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if err == fs.ErrorDirNotFound {
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return nil, fs.ErrorObjectNotFound
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}
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return nil, err
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}
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folderID, err := strconv.Atoi(directoryID)
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if err != nil {
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return nil, err
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}
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files, err := f.listFiles(ctx, folderID)
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if err != nil {
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return nil, err
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}
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for _, file := range files.Items {
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if file.Filename == leaf {
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path, ok := f.dirCache.GetInv(directoryID)
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if !ok {
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return nil, errors.New("Cannot find dir in dircache")
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}
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return f.newObjectFromFile(ctx, path, file), nil
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}
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}
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return nil, fs.ErrorObjectNotFound
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}
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// Put in to the remote path with the modTime given of the given size
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//
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// When called from outside a Fs by rclone, src.Size() will always be >= 0.
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// But for unknown-sized objects (indicated by src.Size() == -1), Put should either
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// return an error or upload it properly (rather than e.g. calling panic).
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//
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// May create the object even if it returns an error - if so
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// will return the object and the error, otherwise will return
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// nil and the error
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func (f *Fs) Put(ctx context.Context, in io.Reader, src fs.ObjectInfo, options ...fs.OpenOption) (fs.Object, error) {
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exisitingObj, err := f.NewObject(ctx, src.Remote())
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switch err {
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case nil:
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return exisitingObj, exisitingObj.Update(ctx, in, src, options...)
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case fs.ErrorObjectNotFound:
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// Not found so create it
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return f.PutUnchecked(ctx, in, src, options...)
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default:
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return nil, err
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}
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}
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// putUnchecked uploads the object with the given name and size
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//
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// This will create a duplicate if we upload a new file without
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// checking to see if there is one already - use Put() for that.
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func (f *Fs) putUnchecked(ctx context.Context, in io.Reader, remote string, size int64, options ...fs.OpenOption) (fs.Object, error) {
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if size > int64(100e9) {
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return nil, errors.New("File too big, cant upload")
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} else if size == 0 {
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return nil, fs.ErrorCantUploadEmptyFiles
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}
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nodeResponse, err := f.getUploadNode(ctx)
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if err != nil {
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return nil, err
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}
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leaf, directoryID, err := f.dirCache.FindRootAndPath(ctx, remote, true)
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if err != nil {
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return nil, err
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}
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_, err = f.uploadFile(ctx, in, size, leaf, directoryID, nodeResponse.ID, nodeResponse.URL, options...)
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if err != nil {
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return nil, err
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}
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fileUploadResponse, err := f.endUpload(ctx, nodeResponse.ID, nodeResponse.URL)
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if err != nil {
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return nil, err
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}
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if len(fileUploadResponse.Links) != 1 {
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return nil, errors.New("unexpected amount of files")
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}
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link := fileUploadResponse.Links[0]
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fileSize, err := strconv.ParseInt(link.Size, 10, 64)
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if err != nil {
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return nil, err
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}
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return &Object{
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fs: f,
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remote: remote,
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file: File{
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ACL: 0,
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CDN: 0,
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Checksum: link.Whirlpool,
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ContentType: "",
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Date: time.Now().Format("2006-01-02 15:04:05"),
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Filename: link.Filename,
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Pass: 0,
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Size: fileSize,
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URL: link.Download,
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},
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}, nil
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}
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// PutUnchecked uploads the object
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//
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// This will create a duplicate if we upload a new file without
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// checking to see if there is one already - use Put() for that.
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func (f *Fs) PutUnchecked(ctx context.Context, in io.Reader, src fs.ObjectInfo, options ...fs.OpenOption) (fs.Object, error) {
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return f.putUnchecked(ctx, in, src.Remote(), src.Size(), options...)
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}
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// Mkdir makes the directory (container, bucket)
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//
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// Shouldn't return an error if it already exists
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func (f *Fs) Mkdir(ctx context.Context, dir string) error {
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err := f.dirCache.FindRoot(ctx, true)
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if err != nil {
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return err
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}
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if dir != "" {
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_, err = f.dirCache.FindDir(ctx, dir, true)
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}
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return err
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}
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// Rmdir removes the directory (container, bucket) if empty
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//
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// Return an error if it doesn't exist or isn't empty
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func (f *Fs) Rmdir(ctx context.Context, dir string) error {
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err := f.dirCache.FindRoot(ctx, false)
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if err != nil {
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return err
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}
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directoryID, err := f.dirCache.FindDir(ctx, dir, false)
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if err != nil {
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return err
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}
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folderID, err := strconv.Atoi(directoryID)
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if err != nil {
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return err
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}
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_, err = f.removeFolder(ctx, dir, folderID)
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if err != nil {
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return err
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}
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f.dirCache.FlushDir(dir)
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return nil
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}
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// Check the interfaces are satisfied
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var (
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_ fs.Fs = (*Fs)(nil)
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_ fs.PutUncheckeder = (*Fs)(nil)
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_ dircache.DirCacher = (*Fs)(nil)
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)
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