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2121c0fa23
Before this change there was lots of duplicated code in all the dircache using backends to support DirMove. This change factors this code into the dircache library.
1069 lines
30 KiB
Go
1069 lines
30 KiB
Go
package opendrive
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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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"net/url"
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"path"
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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/config/obscure"
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"github.com/rclone/rclone/fs/fserrors"
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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/readers"
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"github.com/rclone/rclone/lib/rest"
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)
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const (
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defaultEndpoint = "https://dev.opendrive.com/api/v1"
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minSleep = 10 * time.Millisecond
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maxSleep = 5 * time.Minute
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decayConstant = 1 // bigger for slower decay, exponential
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)
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// Register with Fs
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func init() {
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fs.Register(&fs.RegInfo{
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Name: "opendrive",
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Description: "OpenDrive",
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NewFs: NewFs,
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Options: []fs.Option{{
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Name: "username",
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Help: "Username",
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Required: true,
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}, {
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Name: "password",
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Help: "Password.",
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IsPassword: true,
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Required: 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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// List of replaced characters:
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// < (less than) -> '＜' // FULLWIDTH LESS-THAN SIGN
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// > (greater than) -> '＞' // FULLWIDTH GREATER-THAN SIGN
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// : (colon) -> '：' // FULLWIDTH COLON
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// " (double quote) -> '＂' // FULLWIDTH QUOTATION MARK
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// \ (backslash) -> '＼' // FULLWIDTH REVERSE SOLIDUS
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// | (vertical line) -> '｜' // FULLWIDTH VERTICAL LINE
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// ? (question mark) -> '？' // FULLWIDTH QUESTION MARK
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// * (asterisk) -> '＊' // FULLWIDTH ASTERISK
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//
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// Additionally names can't begin or end with an ASCII whitespace.
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// List of replaced characters:
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// (space) -> '␠' // SYMBOL FOR SPACE
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// (horizontal tab) -> '␉' // SYMBOL FOR HORIZONTAL TABULATION
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// (line feed) -> '␊' // SYMBOL FOR LINE FEED
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// (vertical tab) -> '␋' // SYMBOL FOR VERTICAL TABULATION
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// (carriage return) -> '␍' // SYMBOL FOR CARRIAGE RETURN
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//
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// Also encode invalid UTF-8 bytes as json doesn't handle them properly.
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//
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// https://www.opendrive.com/wp-content/uploads/guides/OpenDrive_API_guide.pdf
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Default: (encoder.Base |
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encoder.EncodeWin |
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encoder.EncodeLeftCrLfHtVt |
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encoder.EncodeRightCrLfHtVt |
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encoder.EncodeBackSlash |
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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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Name: "chunk_size",
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Help: `Files will be uploaded in chunks this size.
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Note that these chunks are buffered in memory so increasing them will
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increase memory use.`,
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Default: 10 * fs.MebiByte,
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Advanced: true,
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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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UserName string `config:"username"`
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Password string `config:"password"`
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Enc encoder.MultiEncoder `config:"encoding"`
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ChunkSize fs.SizeSuffix `config:"chunk_size"`
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}
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// Fs represents a remote server
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type Fs struct {
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name string // name of this remote
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root string // the path we are working on
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opt Options // parsed options
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features *fs.Features // optional features
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srv *rest.Client // the connection to the server
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pacer *fs.Pacer // To pace and retry the API calls
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session UserSessionInfo // contains the session data
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dirCache *dircache.DirCache // Map of directory path to directory id
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}
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// Object describes an object
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type Object struct {
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fs *Fs // what this object is part of
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remote string // The remote path
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id string // ID of the file
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modTime time.Time // The modified time of the object if known
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md5 string // MD5 hash if known
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size int64 // Size of the object
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}
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// parsePath parses an incoming 'url'
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func parsePath(path string) (root string) {
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root = strings.Trim(path, "/")
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return
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}
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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 converts this Fs to a string
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func (f *Fs) String() string {
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return fmt.Sprintf("OpenDrive root '%s'", f.root)
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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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// Hashes returns the supported hash sets.
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func (f *Fs) Hashes() hash.Set {
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return hash.Set(hash.MD5)
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}
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// DirCacheFlush resets the directory cache - used in testing as an
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// optional interface
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func (f *Fs) DirCacheFlush() {
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f.dirCache.ResetRoot()
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}
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// NewFs constructs an Fs from the path, bucket:path
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func NewFs(name, root string, m configmap.Mapper) (fs.Fs, error) {
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ctx := context.Background()
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// Parse config into Options struct
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opt := new(Options)
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err := configstruct.Set(m, opt)
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if err != nil {
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return nil, err
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}
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root = parsePath(root)
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if opt.UserName == "" {
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return nil, errors.New("username not found")
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}
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opt.Password, err = obscure.Reveal(opt.Password)
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if err != nil {
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return nil, errors.New("password could not revealed")
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}
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if opt.Password == "" {
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return nil, errors.New("password not found")
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}
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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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srv: rest.NewClient(fshttp.NewClient(fs.Config)).SetErrorHandler(errorHandler),
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pacer: fs.NewPacer(pacer.NewDefault(pacer.MinSleep(minSleep), pacer.MaxSleep(maxSleep), pacer.DecayConstant(decayConstant))),
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}
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f.dirCache = dircache.New(root, "0", f)
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// set the rootURL for the REST client
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f.srv.SetRoot(defaultEndpoint)
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// get sessionID
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var resp *http.Response
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err = f.pacer.Call(func() (bool, error) {
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account := Account{Username: opt.UserName, Password: opt.Password}
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opts := rest.Opts{
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Method: "POST",
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Path: "/session/login.json",
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}
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resp, err = f.srv.CallJSON(ctx, &opts, &account, &f.session)
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return f.shouldRetry(resp, err)
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})
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if err != nil {
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return nil, errors.Wrap(err, "failed to create session")
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}
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fs.Debugf(nil, "Starting OpenDrive session with ID: %s", f.session.SessionID)
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f.features = (&fs.Features{
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CaseInsensitive: true,
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CanHaveEmptyDirectories: true,
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}).Fill(f)
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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, "0", &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.newObjectWithInfo(ctx, remote, nil)
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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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// 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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// rootSlash returns root with a slash on if it is empty, otherwise empty string
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func (f *Fs) rootSlash() string {
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if f.root == "" {
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return f.root
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}
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return f.root + "/"
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}
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// errorHandler parses a non 2xx error response into an error
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func errorHandler(resp *http.Response) error {
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errResponse := new(Error)
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err := rest.DecodeJSON(resp, &errResponse)
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if err != nil {
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fs.Debugf(nil, "Couldn't decode error response: %v", err)
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}
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if errResponse.Info.Code == 0 {
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errResponse.Info.Code = resp.StatusCode
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}
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if errResponse.Info.Message == "" {
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errResponse.Info.Message = "Unknown " + resp.Status
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}
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return errResponse
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}
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// Mkdir creates the folder if it doesn't exist
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func (f *Fs) Mkdir(ctx context.Context, dir string) error {
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// fs.Debugf(nil, "Mkdir(\"%s\")", dir)
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_, err := f.dirCache.FindDir(ctx, dir, true)
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return err
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}
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// deleteObject removes an object by ID
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func (f *Fs) deleteObject(ctx context.Context, id string) error {
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return f.pacer.Call(func() (bool, error) {
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removeDirData := removeFolder{SessionID: f.session.SessionID, FolderID: id}
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opts := rest.Opts{
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Method: "POST",
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NoResponse: true,
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Path: "/folder/remove.json",
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}
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resp, err := f.srv.CallJSON(ctx, &opts, &removeDirData, nil)
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return f.shouldRetry(resp, err)
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})
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}
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// purgeCheck remotes the root directory, if check is set then it
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// refuses to do so if it has anything in
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func (f *Fs) purgeCheck(ctx context.Context, dir string, check bool) error {
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root := path.Join(f.root, dir)
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if root == "" {
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return errors.New("can't purge root directory")
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}
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dc := f.dirCache
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rootID, err := dc.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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item, err := f.readMetaDataForFolderID(ctx, rootID)
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if err != nil {
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return err
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}
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if check && len(item.Files) != 0 {
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return errors.New("folder not empty")
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}
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err = f.deleteObject(ctx, rootID)
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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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// Rmdir deletes the root folder
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//
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// Returns an error if it isn't empty
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func (f *Fs) Rmdir(ctx context.Context, dir string) error {
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// fs.Debugf(nil, "Rmdir(\"%s\")", path.Join(f.root, dir))
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return f.purgeCheck(ctx, dir, true)
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}
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// Precision of the remote
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func (f *Fs) Precision() time.Duration {
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return time.Second
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}
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// Copy src to this remote using server side copy operations.
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//
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// This is stored with the remote path given
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//
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// It returns the destination Object and a possible error
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//
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// Will only be called if src.Fs().Name() == f.Name()
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//
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// If it isn't possible then return fs.ErrorCantCopy
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func (f *Fs) Copy(ctx context.Context, src fs.Object, remote string) (fs.Object, error) {
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// fs.Debugf(nil, "Copy(%v)", remote)
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srcObj, ok := src.(*Object)
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if !ok {
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fs.Debugf(src, "Can't copy - not same remote type")
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return nil, fs.ErrorCantCopy
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}
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err := srcObj.readMetaData(ctx)
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if err != nil {
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return nil, err
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}
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srcPath := srcObj.fs.rootSlash() + srcObj.remote
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dstPath := f.rootSlash() + remote
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if strings.ToLower(srcPath) == strings.ToLower(dstPath) {
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return nil, errors.Errorf("Can't copy %q -> %q as are same name when lowercase", srcPath, dstPath)
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}
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// Create temporary object
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dstObj, leaf, directoryID, err := f.createObject(ctx, remote, srcObj.modTime, srcObj.size)
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if err != nil {
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return nil, err
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}
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// fs.Debugf(nil, "...%#v\n...%#v", remote, directoryID)
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// Copy the object
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var resp *http.Response
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response := moveCopyFileResponse{}
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err = f.pacer.Call(func() (bool, error) {
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copyFileData := moveCopyFile{
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SessionID: f.session.SessionID,
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SrcFileID: srcObj.id,
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DstFolderID: directoryID,
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Move: "false",
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OverwriteIfExists: "true",
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NewFileName: leaf,
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}
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opts := rest.Opts{
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Method: "POST",
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Path: "/file/move_copy.json",
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}
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resp, err = f.srv.CallJSON(ctx, &opts, ©FileData, &response)
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return f.shouldRetry(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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size, _ := strconv.ParseInt(response.Size, 10, 64)
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dstObj.id = response.FileID
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dstObj.size = size
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return dstObj, nil
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}
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// Move src to this remote using server side move operations.
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//
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// This is stored with the remote path given
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//
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// It returns the destination Object and a possible error
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//
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// Will only be called if src.Fs().Name() == f.Name()
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//
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// If it isn't possible then return fs.ErrorCantMove
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func (f *Fs) Move(ctx context.Context, src fs.Object, remote string) (fs.Object, error) {
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// fs.Debugf(nil, "Move(%v)", remote)
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srcObj, ok := src.(*Object)
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if !ok {
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fs.Debugf(src, "Can't move - not same remote type")
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return nil, fs.ErrorCantCopy
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}
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err := srcObj.readMetaData(ctx)
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if err != nil {
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return nil, err
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}
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// Create temporary object
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dstObj, leaf, directoryID, err := f.createObject(ctx, remote, srcObj.modTime, srcObj.size)
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if err != nil {
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return nil, err
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}
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// Copy the object
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var resp *http.Response
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response := moveCopyFileResponse{}
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err = f.pacer.Call(func() (bool, error) {
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copyFileData := moveCopyFile{
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SessionID: f.session.SessionID,
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SrcFileID: srcObj.id,
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DstFolderID: directoryID,
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Move: "true",
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OverwriteIfExists: "true",
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NewFileName: leaf,
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}
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opts := rest.Opts{
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Method: "POST",
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Path: "/file/move_copy.json",
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}
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resp, err = f.srv.CallJSON(ctx, &opts, ©FileData, &response)
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return f.shouldRetry(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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|
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size, _ := strconv.ParseInt(response.Size, 10, 64)
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dstObj.id = response.FileID
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dstObj.size = size
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return dstObj, nil
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}
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|
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// DirMove moves src, srcRemote to this remote at dstRemote
|
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// using server side move operations.
|
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//
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// Will only be called if src.Fs().Name() == f.Name()
|
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//
|
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// If it isn't possible then return fs.ErrorCantDirMove
|
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//
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// If destination exists then return fs.ErrorDirExists
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func (f *Fs) DirMove(ctx context.Context, src fs.Fs, srcRemote, dstRemote string) (err error) {
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srcFs, ok := src.(*Fs)
|
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if !ok {
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fs.Debugf(srcFs, "Can't move directory - not same remote type")
|
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return fs.ErrorCantDirMove
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}
|
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|
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srcID, _, _, dstDirectoryID, dstLeaf, err := f.dirCache.DirMove(ctx, srcFs.dirCache, srcFs.root, srcRemote, f.root, dstRemote)
|
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if err != nil {
|
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return err
|
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}
|
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|
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// Do the move
|
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var resp *http.Response
|
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response := moveCopyFolderResponse{}
|
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err = f.pacer.Call(func() (bool, error) {
|
||
moveFolderData := moveCopyFolder{
|
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SessionID: f.session.SessionID,
|
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FolderID: srcID,
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DstFolderID: dstDirectoryID,
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Move: "true",
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NewFolderName: dstLeaf,
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}
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opts := rest.Opts{
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||
Method: "POST",
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Path: "/folder/move_copy.json",
|
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}
|
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resp, err = f.srv.CallJSON(ctx, &opts, &moveFolderData, &response)
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||
return f.shouldRetry(resp, err)
|
||
})
|
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if err != nil {
|
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fs.Debugf(src, "DirMove error %v", err)
|
||
return err
|
||
}
|
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|
||
srcFs.dirCache.FlushDir(srcRemote)
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return nil
|
||
}
|
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|
||
// Purge deletes all the files and the container
|
||
//
|
||
// Optional interface: Only implement this if you have a way of
|
||
// deleting all the files quicker than just running Remove() on the
|
||
// result of List()
|
||
func (f *Fs) Purge(ctx context.Context) error {
|
||
return f.purgeCheck(ctx, "", false)
|
||
}
|
||
|
||
// Return an Object from a path
|
||
//
|
||
// If it can't be found it returns the error fs.ErrorObjectNotFound.
|
||
func (f *Fs) newObjectWithInfo(ctx context.Context, remote string, file *File) (fs.Object, error) {
|
||
// fs.Debugf(nil, "newObjectWithInfo(%s, %v)", remote, file)
|
||
|
||
var o *Object
|
||
if nil != file {
|
||
o = &Object{
|
||
fs: f,
|
||
remote: remote,
|
||
id: file.FileID,
|
||
modTime: time.Unix(file.DateModified, 0),
|
||
size: file.Size,
|
||
md5: file.FileHash,
|
||
}
|
||
} else {
|
||
o = &Object{
|
||
fs: f,
|
||
remote: remote,
|
||
}
|
||
|
||
err := o.readMetaData(ctx)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
}
|
||
return o, nil
|
||
}
|
||
|
||
// NewObject finds the Object at remote. If it can't be found
|
||
// it returns the error fs.ErrorObjectNotFound.
|
||
func (f *Fs) NewObject(ctx context.Context, remote string) (fs.Object, error) {
|
||
// fs.Debugf(nil, "NewObject(\"%s\")", remote)
|
||
return f.newObjectWithInfo(ctx, remote, nil)
|
||
}
|
||
|
||
// Creates from the parameters passed in a half finished Object which
|
||
// must have setMetaData called on it
|
||
//
|
||
// Returns the object, leaf, directoryID and error
|
||
//
|
||
// Used to create new objects
|
||
func (f *Fs) createObject(ctx context.Context, remote string, modTime time.Time, size int64) (o *Object, leaf string, directoryID string, err error) {
|
||
// Create the directory for the object if it doesn't exist
|
||
leaf, directoryID, err = f.dirCache.FindPath(ctx, remote, true)
|
||
if err != nil {
|
||
return nil, leaf, directoryID, err
|
||
}
|
||
// fs.Debugf(nil, "\n...leaf %#v\n...id %#v", leaf, directoryID)
|
||
// Temporary Object under construction
|
||
o = &Object{
|
||
fs: f,
|
||
remote: remote,
|
||
}
|
||
return o, f.opt.Enc.FromStandardName(leaf), directoryID, nil
|
||
}
|
||
|
||
// readMetaDataForPath reads the metadata from the path
|
||
func (f *Fs) readMetaDataForFolderID(ctx context.Context, id string) (info *FolderList, err error) {
|
||
var resp *http.Response
|
||
opts := rest.Opts{
|
||
Method: "GET",
|
||
Path: "/folder/list.json/" + f.session.SessionID + "/" + id,
|
||
}
|
||
err = f.pacer.Call(func() (bool, error) {
|
||
resp, err = f.srv.CallJSON(ctx, &opts, nil, &info)
|
||
return f.shouldRetry(resp, err)
|
||
})
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
if resp != nil {
|
||
}
|
||
|
||
return info, err
|
||
}
|
||
|
||
// Put the object into the bucket
|
||
//
|
||
// Copy the reader in to the new object which is returned
|
||
//
|
||
// The new object may have been created if an error is returned
|
||
func (f *Fs) Put(ctx context.Context, in io.Reader, src fs.ObjectInfo, options ...fs.OpenOption) (fs.Object, error) {
|
||
remote := src.Remote()
|
||
size := src.Size()
|
||
modTime := src.ModTime(ctx)
|
||
|
||
// fs.Debugf(nil, "Put(%s)", remote)
|
||
|
||
o, leaf, directoryID, err := f.createObject(ctx, remote, modTime, size)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
|
||
if "" == o.id {
|
||
// Attempt to read ID, ignore error
|
||
// FIXME is this correct?
|
||
_ = o.readMetaData(ctx)
|
||
}
|
||
|
||
if "" == o.id {
|
||
// We need to create an ID for this file
|
||
var resp *http.Response
|
||
response := createFileResponse{}
|
||
err := o.fs.pacer.Call(func() (bool, error) {
|
||
createFileData := createFile{
|
||
SessionID: o.fs.session.SessionID,
|
||
FolderID: directoryID,
|
||
Name: leaf,
|
||
}
|
||
opts := rest.Opts{
|
||
Method: "POST",
|
||
Options: options,
|
||
Path: "/upload/create_file.json",
|
||
}
|
||
resp, err = o.fs.srv.CallJSON(ctx, &opts, &createFileData, &response)
|
||
return o.fs.shouldRetry(resp, err)
|
||
})
|
||
if err != nil {
|
||
return nil, errors.Wrap(err, "failed to create file")
|
||
}
|
||
|
||
o.id = response.FileID
|
||
}
|
||
|
||
return o, o.Update(ctx, in, src, options...)
|
||
}
|
||
|
||
// retryErrorCodes is a slice of error codes that we will retry
|
||
var retryErrorCodes = []int{
|
||
400, // Bad request (seen in "Next token is expired")
|
||
401, // Unauthorized (seen in "Token has expired")
|
||
408, // Request Timeout
|
||
423, // Locked - get this on folders sometimes
|
||
429, // Rate exceeded.
|
||
500, // Get occasional 500 Internal Server Error
|
||
502, // Bad Gateway when doing big listings
|
||
503, // Service Unavailable
|
||
504, // Gateway Time-out
|
||
}
|
||
|
||
// shouldRetry returns a boolean as to whether this resp and err
|
||
// deserve to be retried. It returns the err as a convenience
|
||
func (f *Fs) shouldRetry(resp *http.Response, err error) (bool, error) {
|
||
return fserrors.ShouldRetry(err) || fserrors.ShouldRetryHTTP(resp, retryErrorCodes), err
|
||
}
|
||
|
||
// DirCacher methods
|
||
|
||
// CreateDir makes a directory with pathID as parent and name leaf
|
||
func (f *Fs) CreateDir(ctx context.Context, pathID, leaf string) (newID string, err error) {
|
||
// fs.Debugf(f, "CreateDir(%q, %q)\n", pathID, replaceReservedChars(leaf))
|
||
var resp *http.Response
|
||
response := createFolderResponse{}
|
||
err = f.pacer.Call(func() (bool, error) {
|
||
createDirData := createFolder{
|
||
SessionID: f.session.SessionID,
|
||
FolderName: f.opt.Enc.FromStandardName(leaf),
|
||
FolderSubParent: pathID,
|
||
FolderIsPublic: 0,
|
||
FolderPublicUpl: 0,
|
||
FolderPublicDisplay: 0,
|
||
FolderPublicDnl: 0,
|
||
}
|
||
opts := rest.Opts{
|
||
Method: "POST",
|
||
Path: "/folder.json",
|
||
}
|
||
resp, err = f.srv.CallJSON(ctx, &opts, &createDirData, &response)
|
||
return f.shouldRetry(resp, err)
|
||
})
|
||
if err != nil {
|
||
return "", err
|
||
}
|
||
|
||
return response.FolderID, nil
|
||
}
|
||
|
||
// FindLeaf finds a directory of name leaf in the folder with ID pathID
|
||
func (f *Fs) FindLeaf(ctx context.Context, pathID, leaf string) (pathIDOut string, found bool, err error) {
|
||
// fs.Debugf(nil, "FindLeaf(\"%s\", \"%s\")", pathID, leaf)
|
||
|
||
if pathID == "0" && leaf == "" {
|
||
// fs.Debugf(nil, "Found OpenDrive root")
|
||
// that's the root directory
|
||
return pathID, true, nil
|
||
}
|
||
|
||
// get the folderIDs
|
||
var resp *http.Response
|
||
folderList := FolderList{}
|
||
err = f.pacer.Call(func() (bool, error) {
|
||
opts := rest.Opts{
|
||
Method: "GET",
|
||
Path: "/folder/list.json/" + f.session.SessionID + "/" + pathID,
|
||
}
|
||
resp, err = f.srv.CallJSON(ctx, &opts, nil, &folderList)
|
||
return f.shouldRetry(resp, err)
|
||
})
|
||
if err != nil {
|
||
return "", false, errors.Wrap(err, "failed to get folder list")
|
||
}
|
||
|
||
leaf = f.opt.Enc.FromStandardName(leaf)
|
||
for _, folder := range folderList.Folders {
|
||
// fs.Debugf(nil, "Folder: %s (%s)", folder.Name, folder.FolderID)
|
||
|
||
if leaf == folder.Name {
|
||
// found
|
||
return folder.FolderID, true, nil
|
||
}
|
||
}
|
||
|
||
return "", false, nil
|
||
}
|
||
|
||
// List the objects and directories in dir into entries. The
|
||
// entries can be returned in any order but should be for a
|
||
// complete directory.
|
||
//
|
||
// dir should be "" to list the root, and should not have
|
||
// trailing slashes.
|
||
//
|
||
// This should return ErrDirNotFound if the directory isn't
|
||
// found.
|
||
func (f *Fs) List(ctx context.Context, dir string) (entries fs.DirEntries, err error) {
|
||
// fs.Debugf(nil, "List(%v)", dir)
|
||
directoryID, err := f.dirCache.FindDir(ctx, dir, false)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
|
||
var resp *http.Response
|
||
opts := rest.Opts{
|
||
Method: "GET",
|
||
Path: "/folder/list.json/" + f.session.SessionID + "/" + directoryID,
|
||
}
|
||
folderList := FolderList{}
|
||
err = f.pacer.Call(func() (bool, error) {
|
||
resp, err = f.srv.CallJSON(ctx, &opts, nil, &folderList)
|
||
return f.shouldRetry(resp, err)
|
||
})
|
||
if err != nil {
|
||
return nil, errors.Wrap(err, "failed to get folder list")
|
||
}
|
||
|
||
for _, folder := range folderList.Folders {
|
||
folder.Name = f.opt.Enc.ToStandardName(folder.Name)
|
||
// fs.Debugf(nil, "Folder: %s (%s)", folder.Name, folder.FolderID)
|
||
remote := path.Join(dir, folder.Name)
|
||
// cache the directory ID for later lookups
|
||
f.dirCache.Put(remote, folder.FolderID)
|
||
d := fs.NewDir(remote, time.Unix(folder.DateModified, 0)).SetID(folder.FolderID)
|
||
d.SetItems(int64(folder.ChildFolders))
|
||
entries = append(entries, d)
|
||
}
|
||
|
||
for _, file := range folderList.Files {
|
||
file.Name = f.opt.Enc.ToStandardName(file.Name)
|
||
// fs.Debugf(nil, "File: %s (%s)", file.Name, file.FileID)
|
||
remote := path.Join(dir, file.Name)
|
||
o, err := f.newObjectWithInfo(ctx, remote, &file)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
entries = append(entries, o)
|
||
}
|
||
|
||
return entries, nil
|
||
}
|
||
|
||
// ------------------------------------------------------------
|
||
|
||
// Fs returns the parent Fs
|
||
func (o *Object) Fs() fs.Info {
|
||
return o.fs
|
||
}
|
||
|
||
// Return a string version
|
||
func (o *Object) String() string {
|
||
if o == nil {
|
||
return "<nil>"
|
||
}
|
||
return o.remote
|
||
}
|
||
|
||
// Remote returns the remote path
|
||
func (o *Object) Remote() string {
|
||
return o.remote
|
||
}
|
||
|
||
// Hash returns the Md5sum of an object returning a lowercase hex string
|
||
func (o *Object) Hash(ctx context.Context, t hash.Type) (string, error) {
|
||
if t != hash.MD5 {
|
||
return "", hash.ErrUnsupported
|
||
}
|
||
return o.md5, nil
|
||
}
|
||
|
||
// Size returns the size of an object in bytes
|
||
func (o *Object) Size() int64 {
|
||
return o.size // Object is likely PENDING
|
||
}
|
||
|
||
// ModTime returns the modification time of the object
|
||
//
|
||
//
|
||
// It attempts to read the objects mtime and if that isn't present the
|
||
// LastModified returned in the http headers
|
||
func (o *Object) ModTime(ctx context.Context) time.Time {
|
||
return o.modTime
|
||
}
|
||
|
||
// SetModTime sets the modification time of the local fs object
|
||
func (o *Object) SetModTime(ctx context.Context, modTime time.Time) error {
|
||
// fs.Debugf(nil, "SetModTime(%v)", modTime.String())
|
||
opts := rest.Opts{
|
||
Method: "PUT",
|
||
NoResponse: true,
|
||
Path: "/file/filesettings.json",
|
||
}
|
||
update := modTimeFile{
|
||
SessionID: o.fs.session.SessionID,
|
||
FileID: o.id,
|
||
FileModificationTime: strconv.FormatInt(modTime.Unix(), 10),
|
||
}
|
||
err := o.fs.pacer.Call(func() (bool, error) {
|
||
resp, err := o.fs.srv.CallJSON(ctx, &opts, &update, nil)
|
||
return o.fs.shouldRetry(resp, err)
|
||
})
|
||
|
||
o.modTime = modTime
|
||
|
||
return err
|
||
}
|
||
|
||
// Open an object for read
|
||
func (o *Object) Open(ctx context.Context, options ...fs.OpenOption) (in io.ReadCloser, err error) {
|
||
// fs.Debugf(nil, "Open(\"%v\")", o.remote)
|
||
fs.FixRangeOption(options, o.size)
|
||
opts := rest.Opts{
|
||
Method: "GET",
|
||
Path: "/download/file.json/" + o.id + "?session_id=" + o.fs.session.SessionID,
|
||
Options: options,
|
||
}
|
||
var resp *http.Response
|
||
err = o.fs.pacer.Call(func() (bool, error) {
|
||
resp, err = o.fs.srv.Call(ctx, &opts)
|
||
return o.fs.shouldRetry(resp, err)
|
||
})
|
||
if err != nil {
|
||
return nil, errors.Wrap(err, "failed to open file)")
|
||
}
|
||
|
||
return resp.Body, nil
|
||
}
|
||
|
||
// Remove an object
|
||
func (o *Object) Remove(ctx context.Context) error {
|
||
// fs.Debugf(nil, "Remove(\"%s\")", o.id)
|
||
return o.fs.pacer.Call(func() (bool, error) {
|
||
opts := rest.Opts{
|
||
Method: "DELETE",
|
||
NoResponse: true,
|
||
Path: "/file.json/" + o.fs.session.SessionID + "/" + o.id,
|
||
}
|
||
resp, err := o.fs.srv.Call(ctx, &opts)
|
||
return o.fs.shouldRetry(resp, err)
|
||
})
|
||
}
|
||
|
||
// Storable returns a boolean showing whether this object storable
|
||
func (o *Object) Storable() bool {
|
||
return true
|
||
}
|
||
|
||
// Update the object with the contents of the io.Reader, modTime and size
|
||
//
|
||
// The new object may have been created if an error is returned
|
||
func (o *Object) Update(ctx context.Context, in io.Reader, src fs.ObjectInfo, options ...fs.OpenOption) error {
|
||
size := src.Size()
|
||
modTime := src.ModTime(ctx)
|
||
// fs.Debugf(nil, "Update(\"%s\", \"%s\")", o.id, o.remote)
|
||
|
||
// Open file for upload
|
||
var resp *http.Response
|
||
openResponse := openUploadResponse{}
|
||
err := o.fs.pacer.Call(func() (bool, error) {
|
||
openUploadData := openUpload{SessionID: o.fs.session.SessionID, FileID: o.id, Size: size}
|
||
// fs.Debugf(nil, "PreOpen: %#v", openUploadData)
|
||
opts := rest.Opts{
|
||
Method: "POST",
|
||
Options: options,
|
||
Path: "/upload/open_file_upload.json",
|
||
}
|
||
resp, err := o.fs.srv.CallJSON(ctx, &opts, &openUploadData, &openResponse)
|
||
return o.fs.shouldRetry(resp, err)
|
||
})
|
||
if err != nil {
|
||
return errors.Wrap(err, "failed to create file")
|
||
}
|
||
// resp.Body.Close()
|
||
// fs.Debugf(nil, "PostOpen: %#v", openResponse)
|
||
|
||
buf := make([]byte, o.fs.opt.ChunkSize)
|
||
chunkOffset := int64(0)
|
||
remainingBytes := size
|
||
chunkCounter := 0
|
||
|
||
for remainingBytes > 0 {
|
||
currentChunkSize := int64(o.fs.opt.ChunkSize)
|
||
if currentChunkSize > remainingBytes {
|
||
currentChunkSize = remainingBytes
|
||
}
|
||
remainingBytes -= currentChunkSize
|
||
fs.Debugf(o, "Uploading chunk %d, size=%d, remain=%d", chunkCounter, currentChunkSize, remainingBytes)
|
||
|
||
chunk := readers.NewRepeatableLimitReaderBuffer(in, buf, currentChunkSize)
|
||
var reply uploadFileChunkReply
|
||
err = o.fs.pacer.Call(func() (bool, error) {
|
||
// seek to the start in case this is a retry
|
||
if _, err = chunk.Seek(0, io.SeekStart); err != nil {
|
||
return false, err
|
||
}
|
||
opts := rest.Opts{
|
||
Method: "POST",
|
||
Path: "/upload/upload_file_chunk.json",
|
||
Body: chunk,
|
||
MultipartParams: url.Values{
|
||
"session_id": []string{o.fs.session.SessionID},
|
||
"file_id": []string{o.id},
|
||
"temp_location": []string{openResponse.TempLocation},
|
||
"chunk_offset": []string{strconv.FormatInt(chunkOffset, 10)},
|
||
"chunk_size": []string{strconv.FormatInt(currentChunkSize, 10)},
|
||
},
|
||
MultipartContentName: "file_data", // ..name of the parameter which is the attached file
|
||
MultipartFileName: o.remote, // ..name of the file for the attached file
|
||
|
||
}
|
||
resp, err = o.fs.srv.CallJSON(ctx, &opts, nil, &reply)
|
||
return o.fs.shouldRetry(resp, err)
|
||
})
|
||
if err != nil {
|
||
return errors.Wrap(err, "failed to create file")
|
||
}
|
||
if reply.TotalWritten != currentChunkSize {
|
||
return errors.Errorf("failed to create file: incomplete write of %d/%d bytes", reply.TotalWritten, currentChunkSize)
|
||
}
|
||
|
||
chunkCounter++
|
||
chunkOffset += currentChunkSize
|
||
}
|
||
|
||
// Close file for upload
|
||
closeResponse := closeUploadResponse{}
|
||
err = o.fs.pacer.Call(func() (bool, error) {
|
||
closeUploadData := closeUpload{SessionID: o.fs.session.SessionID, FileID: o.id, Size: size, TempLocation: openResponse.TempLocation}
|
||
// fs.Debugf(nil, "PreClose: %#v", closeUploadData)
|
||
opts := rest.Opts{
|
||
Method: "POST",
|
||
Path: "/upload/close_file_upload.json",
|
||
}
|
||
resp, err = o.fs.srv.CallJSON(ctx, &opts, &closeUploadData, &closeResponse)
|
||
return o.fs.shouldRetry(resp, err)
|
||
})
|
||
if err != nil {
|
||
return errors.Wrap(err, "failed to create file")
|
||
}
|
||
// fs.Debugf(nil, "PostClose: %#v", closeResponse)
|
||
|
||
o.id = closeResponse.FileID
|
||
o.size = closeResponse.Size
|
||
|
||
// Set the mod time now
|
||
err = o.SetModTime(ctx, modTime)
|
||
if err != nil {
|
||
return err
|
||
}
|
||
|
||
// Set permissions
|
||
err = o.fs.pacer.Call(func() (bool, error) {
|
||
update := permissions{SessionID: o.fs.session.SessionID, FileID: o.id, FileIsPublic: 0}
|
||
// fs.Debugf(nil, "Permissions : %#v", update)
|
||
opts := rest.Opts{
|
||
Method: "POST",
|
||
NoResponse: true,
|
||
Path: "/file/access.json",
|
||
}
|
||
resp, err = o.fs.srv.CallJSON(ctx, &opts, &update, nil)
|
||
return o.fs.shouldRetry(resp, err)
|
||
})
|
||
if err != nil {
|
||
return err
|
||
}
|
||
|
||
return o.readMetaData(ctx)
|
||
}
|
||
|
||
func (o *Object) readMetaData(ctx context.Context) (err error) {
|
||
leaf, directoryID, err := o.fs.dirCache.FindPath(ctx, o.remote, false)
|
||
if err != nil {
|
||
if err == fs.ErrorDirNotFound {
|
||
return fs.ErrorObjectNotFound
|
||
}
|
||
return err
|
||
}
|
||
var resp *http.Response
|
||
folderList := FolderList{}
|
||
err = o.fs.pacer.Call(func() (bool, error) {
|
||
opts := rest.Opts{
|
||
Method: "GET",
|
||
Path: fmt.Sprintf("/folder/itembyname.json/%s/%s?name=%s",
|
||
o.fs.session.SessionID, directoryID, url.QueryEscape(o.fs.opt.Enc.FromStandardName(leaf))),
|
||
}
|
||
resp, err = o.fs.srv.CallJSON(ctx, &opts, nil, &folderList)
|
||
return o.fs.shouldRetry(resp, err)
|
||
})
|
||
if err != nil {
|
||
return errors.Wrap(err, "failed to get folder list")
|
||
}
|
||
|
||
if len(folderList.Files) == 0 {
|
||
return fs.ErrorObjectNotFound
|
||
}
|
||
|
||
leafFile := folderList.Files[0]
|
||
o.id = leafFile.FileID
|
||
o.modTime = time.Unix(leafFile.DateModified, 0)
|
||
o.md5 = leafFile.FileHash
|
||
o.size = leafFile.Size
|
||
|
||
return nil
|
||
}
|
||
|
||
// ID returns the ID of the Object if known, or "" if not
|
||
func (o *Object) ID() string {
|
||
return o.id
|
||
}
|
||
|
||
// Check the interfaces are satisfied
|
||
var (
|
||
_ fs.Fs = (*Fs)(nil)
|
||
_ fs.Purger = (*Fs)(nil)
|
||
_ fs.Copier = (*Fs)(nil)
|
||
_ fs.Mover = (*Fs)(nil)
|
||
_ fs.DirMover = (*Fs)(nil)
|
||
_ fs.DirCacheFlusher = (*Fs)(nil)
|
||
_ fs.Object = (*Object)(nil)
|
||
_ fs.IDer = (*Object)(nil)
|
||
)
|