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package jottacloud
import (
"bytes"
"context"
"crypto/md5"
"encoding/hex"
"fmt"
"io"
"io/ioutil"
"log"
"math/rand"
"net/http"
"net/url"
"os"
"path"
"strconv"
"strings"
"time"
"github.com/pkg/errors"
"github.com/rclone/rclone/backend/jottacloud/api"
"github.com/rclone/rclone/fs"
"github.com/rclone/rclone/fs/accounting"
"github.com/rclone/rclone/fs/config"
"github.com/rclone/rclone/fs/config/configmap"
"github.com/rclone/rclone/fs/config/configstruct"
"github.com/rclone/rclone/fs/config/obscure"
"github.com/rclone/rclone/fs/fserrors"
"github.com/rclone/rclone/fs/fshttp"
"github.com/rclone/rclone/fs/hash"
"github.com/rclone/rclone/fs/walk"
"github.com/rclone/rclone/lib/oauthutil"
"github.com/rclone/rclone/lib/pacer"
"github.com/rclone/rclone/lib/rest"
"golang.org/x/oauth2"
)
// Globals
const (
minSleep = 10 * time.Millisecond
maxSleep = 2 * time.Second
decayConstant = 2 // bigger for slower decay, exponential
defaultDevice = "Jotta"
defaultMountpoint = "Archive"
rootURL = "https://www.jottacloud.com/jfs/"
apiURL = "https://api.jottacloud.com/"
baseURL = "https://www.jottacloud.com/"
tokenURL = "https://api.jottacloud.com/auth/v1/token"
registerURL = "https://api.jottacloud.com/auth/v1/register"
cachePrefix = "rclone-jcmd5-"
rcloneClientID = "nibfk8biu12ju7hpqomr8b1e40"
rcloneEncryptedClientSecret = "Vp8eAv7eVElMnQwN-kgU9cbhgApNDaMqWdlDi5qFydlQoji4JBxrGMF2"
configClientID = "client_id"
configClientSecret = "client_secret"
configDevice = "device"
configMountpoint = "mountpoint"
charset = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
)
var (
// Description of how to auth for this app for a personal account
oauthConfig = &oauth2.Config{
Endpoint: oauth2.Endpoint{
AuthURL: tokenURL,
TokenURL: tokenURL,
},
RedirectURL: oauthutil.RedirectLocalhostURL,
}
)
// Register with Fs
func init() {
// needs to be done early so we can use oauth during config
fs.Register(&fs.RegInfo{
Name: "jottacloud",
Description: "JottaCloud",
NewFs: NewFs,
Config: func(name string, m configmap.Mapper) {
ctx := context.TODO()
tokenString, ok := m.Get("token")
if ok && tokenString != "" {
fmt.Printf("Already have a token - refresh?\n")
if !config.Confirm() {
return
}
}
srv := rest.NewClient(fshttp.NewClient(fs.Config))
fmt.Printf("\nDo you want to create a machine specific API key?\n\nRclone has it's own Jottacloud API KEY which works fine as long as one only uses rclone on a single machine. When you want to use rclone with this account on more than one machine it's recommended to create a machine specific API key. These keys can NOT be shared between machines.\n\n")
if config.Confirm() {
deviceRegistration, err := registerDevice(ctx, srv)
if err != nil {
log.Fatalf("Failed to register device: %v", err)
}
m.Set(configClientID, deviceRegistration.ClientID)
m.Set(configClientSecret, obscure.MustObscure(deviceRegistration.ClientSecret))
fs.Debugf(nil, "Got clientID '%s' and clientSecret '%s'", deviceRegistration.ClientID, deviceRegistration.ClientSecret)
}
clientID, ok := m.Get(configClientID)
if !ok {
clientID = rcloneClientID
}
clientSecret, ok := m.Get(configClientSecret)
if !ok {
clientSecret = rcloneEncryptedClientSecret
}
oauthConfig.ClientID = clientID
oauthConfig.ClientSecret = obscure.MustReveal(clientSecret)
fmt.Printf("Username> ")
username := config.ReadLine()
password := config.GetPassword("Your Jottacloud password is only required during setup and will not be stored.")
token, err := doAuth(ctx, srv, username, password)
if err != nil {
log.Fatalf("Failed to get oauth token: %s", err)
}
err = oauthutil.PutToken(name, m, &token, true)
if err != nil {
log.Fatalf("Error while saving token: %s", err)
}
fmt.Printf("\nDo you want to use a non standard device/mountpoint e.g. for accessing files uploaded using the official Jottacloud client?\n\n")
if config.Confirm() {
oAuthClient, _, err := oauthutil.NewClient(name, m, oauthConfig)
if err != nil {
log.Fatalf("Failed to load oAuthClient: %s", err)
}
srv = rest.NewClient(oAuthClient).SetRoot(rootURL)
apiSrv := rest.NewClient(oAuthClient).SetRoot(apiURL)
device, mountpoint, err := setupMountpoint(ctx, srv, apiSrv)
if err != nil {
log.Fatalf("Failed to setup mountpoint: %s", err)
}
m.Set(configDevice, device)
m.Set(configMountpoint, mountpoint)
}
},
Options: []fs.Option{{
Name: "md5_memory_limit",
Help: "Files bigger than this will be cached on disk to calculate the MD5 if required.",
Default: fs.SizeSuffix(10 * 1024 * 1024),
Advanced: true,
}, {
Name: "hard_delete",
Help: "Delete files permanently rather than putting them into the trash.",
Default: false,
Advanced: true,
}, {
Name: "unlink",
Help: "Remove existing public link to file/folder with link command rather than creating.\nDefault is false, meaning link command will create or retrieve public link.",
Default: false,
Advanced: true,
}, {
Name: "upload_resume_limit",
Help: "Files bigger than this can be resumed if the upload fail's.",
Default: fs.SizeSuffix(10 * 1024 * 1024),
Advanced: true,
}},
})
}
// Options defines the configuration for this backend
type Options struct {
Device string `config:"device"`
Mountpoint string `config:"mountpoint"`
MD5MemoryThreshold fs.SizeSuffix `config:"md5_memory_limit"`
HardDelete bool `config:"hard_delete"`
Unlink bool `config:"unlink"`
UploadThreshold fs.SizeSuffix `config:"upload_resume_limit"`
}
// Fs represents a remote jottacloud
type Fs struct {
name string
root string
user string
opt Options
features *fs.Features
endpointURL string
srv *rest.Client
apiSrv *rest.Client
pacer *fs.Pacer
tokenRenewer *oauthutil.Renew // renew the token on expiry
}
// Object describes a jottacloud object
//
// Will definitely have info but maybe not meta
type Object struct {
fs *Fs
remote string
hasMetaData bool
size int64
modTime time.Time
md5 string
mimeType string
}
// ------------------------------------------------------------
// Name of the remote (as passed into NewFs)
func (f *Fs) Name() string {
return f.name
}
// Root of the remote (as passed into NewFs)
func (f *Fs) Root() string {
return f.root
}
// String converts this Fs to a string
func (f *Fs) String() string {
return fmt.Sprintf("jottacloud root '%s'", f.root)
}
// Features returns the optional features of this Fs
func (f *Fs) Features() *fs.Features {
return f.features
}
// parsePath parses an box 'url'
func parsePath(path string) (root string) {
root = strings.Trim(path, "/")
return
}
// retryErrorCodes is a slice of error codes that we will retry
var retryErrorCodes = []int{
429, // Too Many Requests.
500, // Internal Server Error
502, // Bad Gateway
503, // Service Unavailable
504, // Gateway Timeout
509, // Bandwidth Limit Exceeded
}
// shouldRetry returns a boolean as to whether this resp and err
// deserve to be retried. It returns the err as a convenience
func shouldRetry(resp *http.Response, err error) (bool, error) {
return fserrors.ShouldRetry(err) || fserrors.ShouldRetryHTTP(resp, retryErrorCodes), err
}
// registerDevice register a new device for use with the jottacloud API
func registerDevice(ctx context.Context, srv *rest.Client) (reg *api.DeviceRegistrationResponse, err error) {
// random generator to generate random device names
seededRand := rand.New(rand.NewSource(time.Now().UnixNano()))
randonDeviceNamePartLength := 21
randomDeviceNamePart := make([]byte, randonDeviceNamePartLength)
for i := range randomDeviceNamePart {
randomDeviceNamePart[i] = charset[seededRand.Intn(len(charset))]
}
randomDeviceName := "rclone-" + string(randomDeviceNamePart)
fs.Debugf(nil, "Trying to register device '%s'", randomDeviceName)
values := url.Values{}
values.Set("device_id", randomDeviceName)
opts := rest.Opts{
Method: "POST",
RootURL: registerURL,
ContentType: "application/x-www-form-urlencoded",
ExtraHeaders: map[string]string{"Authorization": "Bearer c2xrZmpoYWRsZmFramhkc2xma2phaHNkbGZramhhc2xkZmtqaGFzZGxrZmpobGtq"},
Parameters: values,
}
var deviceRegistration *api.DeviceRegistrationResponse
_, err = srv.CallJSON(ctx, &opts, nil, &deviceRegistration)
return deviceRegistration, err
}
// doAuth runs the actual token request
func doAuth(ctx context.Context, srv *rest.Client, username, password string) (token oauth2.Token, err error) {
// prepare out token request with username and password
values := url.Values{}
values.Set("grant_type", "PASSWORD")
values.Set("password", password)
values.Set("username", username)
values.Set("client_id", oauthConfig.ClientID)
values.Set("client_secret", oauthConfig.ClientSecret)
opts := rest.Opts{
Method: "POST",
RootURL: oauthConfig.Endpoint.AuthURL,
ContentType: "application/x-www-form-urlencoded",
Parameters: values,
}
// do the first request
var jsonToken api.TokenJSON
resp, err := srv.CallJSON(ctx, &opts, nil, &jsonToken)
if err != nil {
// if 2fa is enabled the first request is expected to fail. We will do another request with the 2fa code as an additional http header
if resp != nil {
if resp.Header.Get("X-JottaCloud-OTP") == "required; SMS" {
fmt.Printf("This account uses 2 factor authentication you will receive a verification code via SMS.\n")
fmt.Printf("Enter verification code> ")
authCode := config.ReadLine()
authCode = strings.Replace(authCode, "-", "", -1) // remove any "-" contained in the code so we have a 6 digit number
opts.ExtraHeaders = make(map[string]string)
opts.ExtraHeaders["X-Jottacloud-Otp"] = authCode
resp, err = srv.CallJSON(ctx, &opts, nil, &jsonToken)
}
}
}
token.AccessToken = jsonToken.AccessToken
token.RefreshToken = jsonToken.RefreshToken
token.TokenType = jsonToken.TokenType
token.Expiry = time.Now().Add(time.Duration(jsonToken.ExpiresIn) * time.Second)
return token, err
}
// setupMountpoint sets up a custom device and mountpoint if desired by the user
func setupMountpoint(ctx context.Context, srv *rest.Client, apiSrv *rest.Client) (device, mountpoint string, err error) {
cust, err := getCustomerInfo(ctx, apiSrv)
if err != nil {
return "", "", err
}
acc, err := getDriveInfo(ctx, srv, cust.Username)
if err != nil {
return "", "", err
}
var deviceNames []string
for i := range acc.Devices {
deviceNames = append(deviceNames, acc.Devices[i].Name)
}
fmt.Printf("Please select the device to use. Normally this will be Jotta\n")
device = config.Choose("Devices", deviceNames, nil, false)
dev, err := getDeviceInfo(ctx, srv, path.Join(cust.Username, device))
if err != nil {
return "", "", err
}
if len(dev.MountPoints) == 0 {
return "", "", errors.New("no mountpoints for selected device")
}
var mountpointNames []string
for i := range dev.MountPoints {
mountpointNames = append(mountpointNames, dev.MountPoints[i].Name)
}
fmt.Printf("Please select the mountpoint to user. Normally this will be Archive\n")
mountpoint = config.Choose("Mountpoints", mountpointNames, nil, false)
return device, mountpoint, err
}
// getCustomerInfo queries general information about the account
func getCustomerInfo(ctx context.Context, srv *rest.Client) (info *api.CustomerInfo, err error) {
opts := rest.Opts{
Method: "GET",
Path: "account/v1/customer",
}
_, err = srv.CallJSON(ctx, &opts, nil, &info)
if err != nil {
return nil, errors.Wrap(err, "couldn't get customer info")
}
return info, nil
}
// getDriveInfo queries general information about the account and the available devices and mountpoints.
func getDriveInfo(ctx context.Context, srv *rest.Client, username string) (info *api.DriveInfo, err error) {
opts := rest.Opts{
Method: "GET",
Path: username,
}
_, err = srv.CallXML(ctx, &opts, nil, &info)
if err != nil {
return nil, errors.Wrap(err, "couldn't get drive info")
}
return info, nil
}
// getDeviceInfo queries Information about a jottacloud device
func getDeviceInfo(ctx context.Context, srv *rest.Client, path string) (info *api.JottaDevice, err error) {
opts := rest.Opts{
Method: "GET",
Path: urlPathEscape(path),
}
_, err = srv.CallXML(ctx, &opts, nil, &info)
if err != nil {
return nil, errors.Wrap(err, "couldn't get device info")
}
return info, nil
}
// setEndpointURL generates the API endpoint URL
func (f *Fs) setEndpointURL() {
if f.opt.Device == "" {
f.opt.Device = defaultDevice
}
if f.opt.Mountpoint == "" {
f.opt.Mountpoint = defaultMountpoint
}
f.endpointURL = urlPathEscape(path.Join(f.user, f.opt.Device, f.opt.Mountpoint))
}
// readMetaDataForPath reads the metadata from the path
func (f *Fs) readMetaDataForPath(ctx context.Context, path string) (info *api.JottaFile, err error) {
opts := rest.Opts{
Method: "GET",
Path: f.filePath(path),
}
var result api.JottaFile
var resp *http.Response
err = f.pacer.Call(func() (bool, error) {
resp, err = f.srv.CallXML(ctx, &opts, nil, &result)
return shouldRetry(resp, err)
})
if apiErr, ok := err.(*api.Error); ok {
// does not exist
if apiErr.StatusCode == http.StatusNotFound {
return nil, fs.ErrorObjectNotFound
}
}
if err != nil {
return nil, errors.Wrap(err, "read metadata failed")
}
if result.XMLName.Local != "file" {
return nil, fs.ErrorNotAFile
}
return &result, nil
}
// errorHandler parses a non 2xx error response into an error
func errorHandler(resp *http.Response) error {
// Decode error response
errResponse := new(api.Error)
err := rest.DecodeXML(resp, &errResponse)
if err != nil {
fs.Debugf(nil, "Couldn't decode error response: %v", err)
}
if errResponse.Message == "" {
errResponse.Message = resp.Status
}
if errResponse.StatusCode == 0 {
errResponse.StatusCode = resp.StatusCode
}
return errResponse
}
// Jottacloud want's '+' to be URL encoded even though the RFC states it's not reserved
func urlPathEscape(in string) string {
return strings.Replace(rest.URLPathEscape(in), "+", "%2B", -1)
}
// filePathRaw returns an unescaped file path (f.root, file)
func (f *Fs) filePathRaw(file string) string {
return path.Join(f.endpointURL, replaceReservedChars(path.Join(f.root, file)))
}
// filePath returns a escaped file path (f.root, file)
func (f *Fs) filePath(file string) string {
return urlPathEscape(f.filePathRaw(file))
}
// Jottacloud requires the grant_type 'refresh_token' string
// to be uppercase and throws a 400 Bad Request if we use the
// lower case used by the oauth2 module
//
// This filter catches all refresh requests, reads the body,
// changes the case and then sends it on
func grantTypeFilter(req *http.Request) {
if tokenURL == req.URL.String() {
// read the entire body
refreshBody, err := ioutil.ReadAll(req.Body)
if err != nil {
return
}
_ = req.Body.Close()
// make the refresh token upper case
refreshBody = []byte(strings.Replace(string(refreshBody), "grant_type=refresh_token", "grant_type=REFRESH_TOKEN", 1))
// set the new ReadCloser (with a dummy Close())
req.Body = ioutil.NopCloser(bytes.NewReader(refreshBody))
}
}
// NewFs constructs an Fs from the path, container:path
func NewFs(name, root string, m configmap.Mapper) (fs.Fs, error) {
ctx := context.TODO()
// Parse config into Options struct
opt := new(Options)
err := configstruct.Set(m, opt)
if err != nil {
return nil, err
}
rootIsDir := strings.HasSuffix(root, "/")
root = parsePath(root)
clientID, ok := m.Get(configClientID)
if !ok {
clientID = rcloneClientID
}
clientSecret, ok := m.Get(configClientSecret)
if !ok {
clientSecret = rcloneEncryptedClientSecret
}
oauthConfig.ClientID = clientID
oauthConfig.ClientSecret = obscure.MustReveal(clientSecret)
// the oauth client for the api servers needs
// a filter to fix the grant_type issues (see above)
baseClient := fshttp.NewClient(fs.Config)
if do, ok := baseClient.Transport.(interface {
SetRequestFilter(f func(req *http.Request))
}); ok {
do.SetRequestFilter(grantTypeFilter)
} else {
fs.Debugf(name+":", "Couldn't add request filter - uploads will fail")
}
oAuthClient, ts, err := oauthutil.NewClientWithBaseClient(name, m, oauthConfig, baseClient)
if err != nil {
return nil, errors.Wrap(err, "Failed to configure Jottacloud oauth client")
}
f := &Fs{
name: name,
root: root,
opt: *opt,
srv: rest.NewClient(oAuthClient).SetRoot(rootURL),
apiSrv: rest.NewClient(oAuthClient).SetRoot(apiURL),
pacer: fs.NewPacer(pacer.NewDefault(pacer.MinSleep(minSleep), pacer.MaxSleep(maxSleep), pacer.DecayConstant(decayConstant))),
}
f.features = (&fs.Features{
CaseInsensitive: true,
CanHaveEmptyDirectories: true,
ReadMimeType: true,
WriteMimeType: true,
}).Fill(f)
f.srv.SetErrorHandler(errorHandler)
// Renew the token in the background
f.tokenRenewer = oauthutil.NewRenew(f.String(), ts, func() error {
_, err := f.readMetaDataForPath(ctx, "")
return err
})
cust, err := getCustomerInfo(ctx, f.apiSrv)
if err != nil {
return nil, err
}
f.user = cust.Username
f.setEndpointURL()
if root != "" && !rootIsDir {
// Check to see if the root actually an existing file
remote := path.Base(root)
f.root = path.Dir(root)
if f.root == "." {
f.root = ""
}
_, err := f.NewObject(context.TODO(), remote)
if err != nil {
if errors.Cause(err) == fs.ErrorObjectNotFound || errors.Cause(err) == fs.ErrorNotAFile {
// File doesn't exist so return old f
f.root = root
return f, nil
}
return nil, err
}
// return an error with an fs which points to the parent
return f, fs.ErrorIsFile
}
return f, nil
}
// 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, info *api.JottaFile) (fs.Object, error) {
o := &Object{
fs: f,
remote: remote,
}
var err error
if info != nil {
// Set info
err = o.setMetaData(info)
} else {
err = o.readMetaData(ctx, false) // reads info and meta, returning an error
}
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) {
return f.newObjectWithInfo(ctx, remote, nil)
}
// CreateDir makes a directory
func (f *Fs) CreateDir(ctx context.Context, path string) (jf *api.JottaFolder, err error) {
// fs.Debugf(f, "CreateDir(%q, %q)\n", pathID, leaf)
var resp *http.Response
opts := rest.Opts{
Method: "POST",
Path: f.filePath(path),
Parameters: url.Values{},
}
opts.Parameters.Set("mkDir", "true")
err = f.pacer.Call(func() (bool, error) {
resp, err = f.srv.CallXML(ctx, &opts, nil, &jf)
return shouldRetry(resp, err)
})
if err != nil {
//fmt.Printf("...Error %v\n", err)
return nil, err
}
// fmt.Printf("...Id %q\n", *info.Id)
return jf, 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) {
opts := rest.Opts{
Method: "GET",
Path: f.filePath(dir),
}
var resp *http.Response
var result api.JottaFolder
err = f.pacer.Call(func() (bool, error) {
resp, err = f.srv.CallXML(ctx, &opts, nil, &result)
return shouldRetry(resp, err)
})
if err != nil {
if apiErr, ok := err.(*api.Error); ok {
// does not exist
if apiErr.StatusCode == http.StatusNotFound {
return nil, fs.ErrorDirNotFound
}
}
return nil, errors.Wrap(err, "couldn't list files")
}
if result.Deleted {
return nil, fs.ErrorDirNotFound
}
for i := range result.Folders {
item := &result.Folders[i]
if item.Deleted {
continue
}
remote := path.Join(dir, restoreReservedChars(item.Name))
d := fs.NewDir(remote, time.Time(item.ModifiedAt))
entries = append(entries, d)
}
for i := range result.Files {
item := &result.Files[i]
if item.Deleted || item.State != "COMPLETED" {
continue
}
remote := path.Join(dir, restoreReservedChars(item.Name))
o, err := f.newObjectWithInfo(ctx, remote, item)
if err != nil {
continue
}
entries = append(entries, o)
}
return entries, nil
}
// listFileDirFn is called from listFileDir to handle an object.
type listFileDirFn func(fs.DirEntry) error
// List the objects and directories into entries, from a
// special kind of JottaFolder representing a FileDirLis
func (f *Fs) listFileDir(ctx context.Context, remoteStartPath string, startFolder *api.JottaFolder, fn listFileDirFn) error {
pathPrefix := "/" + f.filePathRaw("") // Non-escaped prefix of API paths to be cut off, to be left with the remote path including the remoteStartPath
pathPrefixLength := len(pathPrefix)
startPath := path.Join(pathPrefix, remoteStartPath) // Non-escaped API path up to and including remoteStartPath, to decide if it should be created as a new dir object
startPathLength := len(startPath)
for i := range startFolder.Folders {
folder := &startFolder.Folders[i]
if folder.Deleted {
return nil
}
folderPath := restoreReservedChars(path.Join(folder.Path, folder.Name))
folderPathLength := len(folderPath)
var remoteDir string
if folderPathLength > pathPrefixLength {
remoteDir = folderPath[pathPrefixLength+1:]
if folderPathLength > startPathLength {
d := fs.NewDir(remoteDir, time.Time(folder.ModifiedAt))
err := fn(d)
if err != nil {
return err
}
}
}
for i := range folder.Files {
file := &folder.Files[i]
if file.Deleted || file.State != "COMPLETED" {
continue
}
remoteFile := path.Join(remoteDir, restoreReservedChars(file.Name))
o, err := f.newObjectWithInfo(ctx, remoteFile, file)
if err != nil {
return err
}
err = fn(o)
if err != nil {
return err
}
}
}
return nil
}
// ListR lists the objects and directories of the Fs starting
// from dir recursively into out.
//
// dir should be "" to start from the root, and should not
// have trailing slashes.
func (f *Fs) ListR(ctx context.Context, dir string, callback fs.ListRCallback) (err error) {
opts := rest.Opts{
Method: "GET",
Path: f.filePath(dir),
Parameters: url.Values{},
}
opts.Parameters.Set("mode", "list")
var resp *http.Response
var result api.JottaFolder // Could be JottaFileDirList, but JottaFolder is close enough
err = f.pacer.Call(func() (bool, error) {
resp, err = f.srv.CallXML(ctx, &opts, nil, &result)
return shouldRetry(resp, err)
})
if err != nil {
if apiErr, ok := err.(*api.Error); ok {
// does not exist
if apiErr.StatusCode == http.StatusNotFound {
return fs.ErrorDirNotFound
}
}
return errors.Wrap(err, "couldn't list files")
}
list := walk.NewListRHelper(callback)
err = f.listFileDir(ctx, dir, &result, func(entry fs.DirEntry) error {
return list.Add(entry)
})
if err != nil {
return err
}
return list.Flush()
}
// Creates from the parameters passed in a half finished Object which
// must have setMetaData called on it
//
// Used to create new objects
func (f *Fs) createObject(remote string, modTime time.Time, size int64) (o *Object) {
// Temporary Object under construction
o = &Object{
fs: f,
remote: remote,
size: size,
modTime: modTime,
}
return o
}
// Put the object
//
// 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) {
if f.opt.Device != "Jotta" {
return nil, errors.New("upload not supported for devices other than Jotta")
}
o := f.createObject(src.Remote(), src.ModTime(ctx), src.Size())
return o, o.Update(ctx, in, src, options...)
}
// mkParentDir makes the parent of the native path dirPath if
// necessary and any directories above that
func (f *Fs) mkParentDir(ctx context.Context, dirPath string) error {
// defer log.Trace(dirPath, "")("")
// chop off trailing / if it exists
if strings.HasSuffix(dirPath, "/") {
dirPath = dirPath[:len(dirPath)-1]
}
parent := path.Dir(dirPath)
if parent == "." {
parent = ""
}
return f.Mkdir(ctx, parent)
}
// Mkdir creates the container if it doesn't exist
func (f *Fs) Mkdir(ctx context.Context, dir string) error {
_, err := f.CreateDir(ctx, dir)
return err
}
// purgeCheck removes the root directory, if check is set then it
// refuses to do so if it has anything in
func (f *Fs) purgeCheck(ctx context.Context, dir string, check bool) (err error) {
root := path.Join(f.root, dir)
if root == "" {
return errors.New("can't purge root directory")
}
// check that the directory exists
entries, err := f.List(ctx, dir)
if err != nil {
return err
}
if check {
if len(entries) != 0 {
return fs.ErrorDirectoryNotEmpty
}
}
opts := rest.Opts{
Method: "POST",
Path: f.filePath(dir),
Parameters: url.Values{},
NoResponse: true,
}
if f.opt.HardDelete {
opts.Parameters.Set("rmDir", "true")
} else {
opts.Parameters.Set("dlDir", "true")
}
var resp *http.Response
err = f.pacer.Call(func() (bool, error) {
resp, err = f.srv.Call(ctx, &opts)
return shouldRetry(resp, err)
})
if err != nil {
return errors.Wrap(err, "couldn't purge directory")
}
return nil
}
// Rmdir deletes the root folder
//
// Returns an error if it isn't empty
func (f *Fs) Rmdir(ctx context.Context, dir string) error {
return f.purgeCheck(ctx, dir, true)
}
// Precision return the precision of this Fs
func (f *Fs) Precision() time.Duration {
return time.Second
}
// Purge deletes all the files and the container
func (f *Fs) Purge(ctx context.Context) error {
return f.purgeCheck(ctx, "", false)
}
// copyOrMoves copies or moves directories or files depending on the method parameter
func (f *Fs) copyOrMove(ctx context.Context, method, src, dest string) (info *api.JottaFile, err error) {
opts := rest.Opts{
Method: "POST",
Path: src,
Parameters: url.Values{},
}
opts.Parameters.Set(method, "/"+path.Join(f.endpointURL, replaceReservedChars(path.Join(f.root, dest))))
var resp *http.Response
err = f.pacer.Call(func() (bool, error) {
resp, err = f.srv.CallXML(ctx, &opts, nil, &info)
return shouldRetry(resp, err)
})
if err != nil {
return nil, err
}
return info, nil
}
// Copy src to this remote using server side copy operations.
//
// This is stored with the remote path given
//
// It returns the destination Object and a possible error
//
// Will only be called if src.Fs().Name() == f.Name()
//
// If it isn't possible then return fs.ErrorCantCopy
func (f *Fs) Copy(ctx context.Context, src fs.Object, remote string) (fs.Object, error) {
srcObj, ok := src.(*Object)
if !ok {
fs.Debugf(src, "Can't copy - not same remote type")
return nil, fs.ErrorCantMove
}
err := f.mkParentDir(ctx, remote)
if err != nil {
return nil, err
}
info, err := f.copyOrMove(ctx, "cp", srcObj.filePath(), remote)
if err != nil {
return nil, errors.Wrap(err, "couldn't copy file")
}
return f.newObjectWithInfo(ctx, remote, info)
//return f.newObjectWithInfo(remote, &result)
}
// Move src to this remote using server side move operations.
//
// This is stored with the remote path given
//
// It returns the destination Object and a possible error
//
// Will only be called if src.Fs().Name() == f.Name()
//
// If it isn't possible then return fs.ErrorCantMove
func (f *Fs) Move(ctx context.Context, src fs.Object, remote string) (fs.Object, error) {
srcObj, ok := src.(*Object)
if !ok {
fs.Debugf(src, "Can't move - not same remote type")
return nil, fs.ErrorCantMove
}
err := f.mkParentDir(ctx, remote)
if err != nil {
return nil, err
}
info, err := f.copyOrMove(ctx, "mv", srcObj.filePath(), remote)
if err != nil {
return nil, errors.Wrap(err, "couldn't move file")
}
return f.newObjectWithInfo(ctx, remote, info)
//return f.newObjectWithInfo(remote, result)
}
// DirMove moves src, srcRemote to this remote at dstRemote
// using server side move operations.
//
// Will only be called if src.Fs().Name() == f.Name()
//
// If it isn't possible then return fs.ErrorCantDirMove
//
// If destination exists then return fs.ErrorDirExists
func (f *Fs) DirMove(ctx context.Context, src fs.Fs, srcRemote, dstRemote string) error {
srcFs, ok := src.(*Fs)
if !ok {
fs.Debugf(srcFs, "Can't move directory - not same remote type")
return fs.ErrorCantDirMove
}
srcPath := path.Join(srcFs.root, srcRemote)
dstPath := path.Join(f.root, dstRemote)
// Refuse to move to or from the root
if srcPath == "" || dstPath == "" {
fs.Debugf(src, "DirMove error: Can't move root")
return errors.New("can't move root directory")
}
//fmt.Printf("Move src: %s (FullPath %s), dst: %s (FullPath: %s)\n", srcRemote, srcPath, dstRemote, dstPath)
var err error
_, err = f.List(ctx, dstRemote)
if err == fs.ErrorDirNotFound {
// OK
} else if err != nil {
return err
} else {
return fs.ErrorDirExists
}
_, err = f.copyOrMove(ctx, "mvDir", path.Join(f.endpointURL, replaceReservedChars(srcPath))+"/", dstRemote)
if err != nil {
return errors.Wrap(err, "couldn't move directory")
}
return nil
}
// PublicLink generates a public link to the remote path (usually readable by anyone)
func (f *Fs) PublicLink(ctx context.Context, remote string) (link string, err error) {
opts := rest.Opts{
Method: "GET",
Path: f.filePath(remote),
Parameters: url.Values{},
}
if f.opt.Unlink {
opts.Parameters.Set("mode", "disableShare")
} else {
opts.Parameters.Set("mode", "enableShare")
}
var resp *http.Response
var result api.JottaFile
err = f.pacer.Call(func() (bool, error) {
resp, err = f.srv.CallXML(ctx, &opts, nil, &result)
return shouldRetry(resp, err)
})
if apiErr, ok := err.(*api.Error); ok {
// does not exist
if apiErr.StatusCode == http.StatusNotFound {
return "", fs.ErrorObjectNotFound
}
}
if err != nil {
if f.opt.Unlink {
return "", errors.Wrap(err, "couldn't remove public link")
}
return "", errors.Wrap(err, "couldn't create public link")
}
if f.opt.Unlink {
if result.PublicSharePath != "" {
return "", errors.Errorf("couldn't remove public link - %q", result.PublicSharePath)
}
return "", nil
}
if result.PublicSharePath == "" {
return "", errors.New("couldn't create public link - no link path received")
}
link = path.Join(baseURL, result.PublicSharePath)
return link, nil
}
// About gets quota information
func (f *Fs) About(ctx context.Context) (*fs.Usage, error) {
info, err := getDriveInfo(ctx, f.srv, f.user)
if err != nil {
return nil, err
}
usage := &fs.Usage{
Used: fs.NewUsageValue(info.Usage),
}
if info.Capacity > 0 {
usage.Total = fs.NewUsageValue(info.Capacity)
usage.Free = fs.NewUsageValue(info.Capacity - info.Usage)
}
return usage, nil
}
// Hashes returns the supported hash sets.
func (f *Fs) Hashes() hash.Set {
return hash.Set(hash.MD5)
}
// ---------------------------------------------
// 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
}
// filePath returns a escaped file path (f.root, remote)
func (o *Object) filePath() string {
return o.fs.filePath(o.remote)
}
// Hash returns the MD5 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 {
ctx := context.TODO()
err := o.readMetaData(ctx, false)
if err != nil {
fs.Logf(o, "Failed to read metadata: %v", err)
return 0
}
return o.size
}
// MimeType of an Object if known, "" otherwise
func (o *Object) MimeType(ctx context.Context) string {
return o.mimeType
}
// setMetaData sets the metadata from info
func (o *Object) setMetaData(info *api.JottaFile) (err error) {
o.hasMetaData = true
o.size = info.Size
o.md5 = info.MD5
o.mimeType = info.MimeType
o.modTime = time.Time(info.ModifiedAt)
return nil
}
// readMetaData reads and updates the metadata for an object
func (o *Object) readMetaData(ctx context.Context, force bool) (err error) {
if o.hasMetaData && !force {
return nil
}
info, err := o.fs.readMetaDataForPath(ctx, o.remote)
if err != nil {
return err
}
if info.Deleted {
return fs.ErrorObjectNotFound
}
return o.setMetaData(info)
}
// 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 {
err := o.readMetaData(ctx, false)
if err != nil {
fs.Logf(o, "Failed to read metadata: %v", err)
return time.Now()
}
return o.modTime
}
// SetModTime sets the modification time of the local fs object
func (o *Object) SetModTime(ctx context.Context, modTime time.Time) error {
return fs.ErrorCantSetModTime
}
// Storable returns a boolean showing whether this object storable
func (o *Object) Storable() bool {
return true
}
// Open an object for read
func (o *Object) Open(ctx context.Context, options ...fs.OpenOption) (in io.ReadCloser, err error) {
fs.FixRangeOption(options, o.size)
var resp *http.Response
opts := rest.Opts{
Method: "GET",
Path: o.filePath(),
Parameters: url.Values{},
Options: options,
}
opts.Parameters.Set("mode", "bin")
err = o.fs.pacer.Call(func() (bool, error) {
resp, err = o.fs.srv.Call(ctx, &opts)
return shouldRetry(resp, err)
})
if err != nil {
return nil, err
}
return resp.Body, err
}
// Read the md5 of in returning a reader which will read the same contents
//
// The cleanup function should be called when out is finished with
// regardless of whether this function returned an error or not.
func readMD5(in io.Reader, size, threshold int64) (md5sum string, out io.Reader, cleanup func(), err error) {
// we need a MD5
md5Hasher := md5.New()
// use the teeReader to write to the local file AND calculate the MD5 while doing so
teeReader := io.TeeReader(in, md5Hasher)
// nothing to clean up by default
cleanup = func() {}
// don't cache small files on disk to reduce wear of the disk
if size > threshold {
var tempFile *os.File
// create the cache file
tempFile, err = ioutil.TempFile("", cachePrefix)
if err != nil {
return
}
_ = os.Remove(tempFile.Name()) // Delete the file - may not work on Windows
// clean up the file after we are done downloading
cleanup = func() {
// the file should normally already be close, but just to make sure
_ = tempFile.Close()
_ = os.Remove(tempFile.Name()) // delete the cache file after we are done - may be deleted already
}
// copy the ENTIRE file to disc and calculate the MD5 in the process
if _, err = io.Copy(tempFile, teeReader); err != nil {
return
}
// jump to the start of the local file so we can pass it along
if _, err = tempFile.Seek(0, 0); err != nil {
return
}
// replace the already read source with a reader of our cached file
out = tempFile
} else {
// that's a small file, just read it into memory
var inData []byte
inData, err = ioutil.ReadAll(teeReader)
if err != nil {
return
}
// set the reader to our read memory block
out = bytes.NewReader(inData)
}
return hex.EncodeToString(md5Hasher.Sum(nil)), out, cleanup, nil
}
// Update the object with the contents of the io.Reader, modTime and size
//
// If existing is set then it updates the object rather than creating a new one
//
// 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) (err error) {
size := src.Size()
md5String, err := src.Hash(ctx, hash.MD5)
if err != nil || md5String == "" {
// unwrap the accounting from the input, we use wrap to put it
// back on after the buffering
var wrap accounting.WrapFn
in, wrap = accounting.UnWrap(in)
var cleanup func()
md5String, in, cleanup, err = readMD5(in, size, int64(o.fs.opt.MD5MemoryThreshold))
defer cleanup()
if err != nil {
return errors.Wrap(err, "failed to calculate MD5")
}
// Wrap the accounting back onto the stream
in = wrap(in)
}
// use the api to allocate the file first and get resume / deduplication info
var resp *http.Response
opts := rest.Opts{
Method: "POST",
Path: "files/v1/allocate",
ExtraHeaders: make(map[string]string),
}
fileDate := api.Time(src.ModTime(ctx)).APIString()
// the allocate request
var request = api.AllocateFileRequest{
Bytes: size,
Created: fileDate,
Modified: fileDate,
Md5: md5String,
Path: path.Join(o.fs.opt.Mountpoint, replaceReservedChars(path.Join(o.fs.root, o.remote))),
}
// send it
var response api.AllocateFileResponse
err = o.fs.pacer.CallNoRetry(func() (bool, error) {
resp, err = o.fs.apiSrv.CallJSON(ctx, &opts, &request, &response)
return shouldRetry(resp, err)
})
if err != nil {
return err
}
// If the file state is INCOMPLETE and CORRPUT, try to upload a then
if response.State != "COMPLETED" {
// how much do we still have to upload?
remainingBytes := size - response.ResumePos
opts = rest.Opts{
Method: "POST",
RootURL: response.UploadURL,
ContentLength: &remainingBytes,
ContentType: "application/octet-stream",
Body: in,
ExtraHeaders: make(map[string]string),
}
if response.ResumePos != 0 {
opts.ExtraHeaders["Range"] = "bytes=" + strconv.FormatInt(response.ResumePos, 10) + "-" + strconv.FormatInt(size-1, 10)
}
// copy the already uploaded bytes into the trash :)
var result api.UploadResponse
_, err = io.CopyN(ioutil.Discard, in, response.ResumePos)
if err != nil {
return err
}
// send the remaining bytes
resp, err = o.fs.apiSrv.CallJSON(ctx, &opts, nil, &result)
if err != nil {
return err
}
// finally update the meta data
o.hasMetaData = true
o.size = result.Bytes
o.md5 = result.Md5
o.modTime = time.Unix(result.Modified/1000, 0)
} else {
// If the file state is COMPLETE we don't need to upload it because the file was already found but we still ned to update our metadata
return o.readMetaData(ctx, true)
}
return nil
}
// Remove an object
func (o *Object) Remove(ctx context.Context) error {
opts := rest.Opts{
Method: "POST",
Path: o.filePath(),
Parameters: url.Values{},
NoResponse: true,
}
if o.fs.opt.HardDelete {
opts.Parameters.Set("rm", "true")
} else {
opts.Parameters.Set("dl", "true")
}
return o.fs.pacer.Call(func() (bool, error) {
resp, err := o.fs.srv.CallXML(ctx, &opts, nil, nil)
return shouldRetry(resp, err)
})
}
// 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.ListRer = (*Fs)(nil)
_ fs.PublicLinker = (*Fs)(nil)
_ fs.Abouter = (*Fs)(nil)
_ fs.Object = (*Object)(nil)
_ fs.MimeTyper = (*Object)(nil)
)
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