jottacloud: add support for reading and writing metadata
Most useful is the addition of the file created timestamp, but also a timestamp for when the file was uploaded. Currently supporting a rather minimalistic set of metadata items, see PR #6359 for some thoughts about possible extensions.
This commit is contained in:
albertony
parent
b296f37801
commit
19ad39fa1c
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@ -395,7 +395,7 @@ type JottaFile struct {
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State string `xml:"currentRevision>state"`
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CreatedAt JottaTime `xml:"currentRevision>created"`
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ModifiedAt JottaTime `xml:"currentRevision>modified"`
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Updated JottaTime `xml:"currentRevision>updated"`
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UpdatedAt JottaTime `xml:"currentRevision>updated"`
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Size int64 `xml:"currentRevision>size"`
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MimeType string `xml:"currentRevision>mime"`
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MD5 string `xml:"currentRevision>md5"`
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@ -92,6 +92,33 @@ func init() {
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Description: "Jottacloud",
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NewFs: NewFs,
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Config: Config,
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MetadataInfo: &fs.MetadataInfo{
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Help: `Jottacloud has limited support for metadata, currently an extended set of timestamps.`,
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System: map[string]fs.MetadataHelp{
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"btime": {
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Help: "Time of file birth (creation), read from rclone metadata",
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Type: "RFC 3339",
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Example: "2006-01-02T15:04:05.999999999Z07:00",
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},
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"mtime": {
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Help: "Time of last modification, read from rclone metadata",
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Type: "RFC 3339",
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Example: "2006-01-02T15:04:05.999999999Z07:00",
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},
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"utime": {
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Help: "Time of last upload, when current revision was created, generated by backend",
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Type: "RFC 3339",
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Example: "2006-01-02T15:04:05.999999999Z07:00",
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ReadOnly: true,
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},
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"content-type": {
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Help: "MIME type, also known as media type",
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Type: "string",
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Example: "text/plain",
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ReadOnly: true,
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},
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},
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},
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Options: append(oauthutil.SharedOptions, []fs.Option{{
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Name: "md5_memory_limit",
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Help: "Files bigger than this will be cached on disk to calculate the MD5 if required.",
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@ -497,7 +524,9 @@ type Object struct {
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remote string
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hasMetaData bool
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size int64
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createTime time.Time
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modTime time.Time
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updateTime time.Time
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md5 string
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mimeType string
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}
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@ -972,6 +1001,9 @@ func NewFs(ctx context.Context, name, root string, m configmap.Mapper) (fs.Fs, e
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CanHaveEmptyDirectories: true,
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ReadMimeType: true,
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WriteMimeType: false,
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ReadMetadata: true,
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WriteMetadata: true,
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UserMetadata: false,
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}).Fill(ctx, f)
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f.jfsSrv.SetErrorHandler(errorHandler)
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if opt.TrashedOnly { // we cannot support showing Trashed Files when using ListR right now
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@ -1158,6 +1190,7 @@ func parseListRStream(ctx context.Context, r io.Reader, filesystem *Fs, callback
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remote: filesystem.opt.Enc.ToStandardPath(path.Join(f.Path, f.Name)),
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size: f.Size,
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md5: f.Checksum,
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createTime: time.Time(f.Created),
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modTime: time.Time(f.Modified),
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})
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}
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@ -1387,7 +1420,7 @@ func (f *Fs) Purge(ctx context.Context, dir string) error {
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// is currently in trash, but can be made to match, it will be
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// restored. Returns ErrorObjectNotFound if upload will be necessary
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// to get a matching remote file.
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func (f *Fs) createOrUpdate(ctx context.Context, file string, modTime time.Time, size int64, md5 string) (info *api.JottaFile, err error) {
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func (f *Fs) createOrUpdate(ctx context.Context, file string, createTime time.Time, modTime time.Time, size int64, md5 string) (info *api.JottaFile, err error) {
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opts := rest.Opts{
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Method: "POST",
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Path: f.filePath(file),
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@ -1397,11 +1430,10 @@ func (f *Fs) createOrUpdate(ctx context.Context, file string, modTime time.Time,
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opts.Parameters.Set("cphash", "true")
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fileDate := api.JottaTime(modTime).String()
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opts.ExtraHeaders["JSize"] = strconv.FormatInt(size, 10)
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opts.ExtraHeaders["JMd5"] = md5
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opts.ExtraHeaders["JCreated"] = fileDate
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opts.ExtraHeaders["JModified"] = fileDate
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opts.ExtraHeaders["JCreated"] = api.JottaTime(createTime).String()
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opts.ExtraHeaders["JModified"] = api.JottaTime(modTime).String()
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var resp *http.Response
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err = f.pacer.Call(func() (bool, error) {
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@ -1464,7 +1496,7 @@ func (f *Fs) Copy(ctx context.Context, src fs.Object, remote string) (fs.Object,
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// if destination was a trashed file then after a successful copy the copied file is still in trash (bug in api?)
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if err == nil && bool(info.Deleted) && !f.opt.TrashedOnly && info.State == "COMPLETED" {
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fs.Debugf(src, "Server-side copied to trashed destination, restoring")
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info, err = f.createOrUpdate(ctx, remote, srcObj.modTime, srcObj.size, srcObj.md5)
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info, err = f.createOrUpdate(ctx, remote, srcObj.createTime, srcObj.modTime, srcObj.size, srcObj.md5)
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}
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if err != nil {
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@ -1727,7 +1759,9 @@ func (o *Object) setMetaData(info *api.JottaFile) (err error) {
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o.size = info.Size
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o.md5 = info.MD5
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o.mimeType = info.MimeType
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o.createTime = time.Time(info.CreatedAt)
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o.modTime = time.Time(info.ModifiedAt)
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o.updateTime = time.Time(info.UpdatedAt)
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return nil
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}
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@ -1772,7 +1806,7 @@ func (o *Object) SetModTime(ctx context.Context, modTime time.Time) error {
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// (note that if size/md5 does not match, the file content will
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// also be modified if deduplication is possible, i.e. it is
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// important to use correct/latest values)
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_, err = o.fs.createOrUpdate(ctx, o.remote, modTime, o.size, o.md5)
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_, err = o.fs.createOrUpdate(ctx, o.remote, o.createTime, modTime, o.size, o.md5)
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if err != nil {
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if err == fs.ErrorObjectNotFound {
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// file was modified (size/md5 changed) between readMetaData and createOrUpdate?
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@ -1909,6 +1943,37 @@ func (o *Object) Update(ctx context.Context, in io.Reader, src fs.ObjectInfo, op
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// Wrap the accounting back onto the stream
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in = wrap(in)
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}
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// Fetch metadata if --metadata is in use
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meta, err := fs.GetMetadataOptions(ctx, src, options)
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if err != nil {
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return fmt.Errorf("failed to read metadata from source object: %w", err)
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}
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var createdTime string
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var modTime string
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if meta != nil {
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if v, ok := meta["btime"]; ok {
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t, err := time.Parse(time.RFC3339Nano, v) // metadata stores RFC3339Nano timestamps
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if err != nil {
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fs.Debugf(o, "failed to parse metadata btime: %q: %v", v, err)
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} else {
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createdTime = api.Rfc3339Time(t).String() // jottacloud api wants RFC3339 timestamps
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}
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}
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if v, ok := meta["mtime"]; ok {
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t, err := time.Parse(time.RFC3339Nano, v)
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if err != nil {
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fs.Debugf(o, "failed to parse metadata mtime: %q: %v", v, err)
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} else {
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modTime = api.Rfc3339Time(t).String()
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}
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}
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}
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if modTime == "" { // prefer mtime in meta as Modified time, fallback to source ModTime
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modTime = api.Rfc3339Time(src.ModTime(ctx)).String()
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}
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if createdTime == "" { // if no Created time set same as Modified
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createdTime = modTime
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}
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// use the api to allocate the file first and get resume / deduplication info
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var resp *http.Response
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@ -1918,13 +1983,12 @@ func (o *Object) Update(ctx context.Context, in io.Reader, src fs.ObjectInfo, op
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Options: options,
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ExtraHeaders: make(map[string]string),
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}
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fileDate := api.Rfc3339Time(src.ModTime(ctx)).String()
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// the allocate request
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var request = api.AllocateFileRequest{
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Bytes: size,
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Created: fileDate,
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Modified: fileDate,
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Created: createdTime,
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Modified: modTime,
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Md5: md5String,
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Path: o.fs.allocatePathRaw(o.remote, true),
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}
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@ -1939,7 +2003,10 @@ func (o *Object) Update(ctx context.Context, in io.Reader, src fs.ObjectInfo, op
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return err
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}
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// If the file state is INCOMPLETE and CORRUPT, try to upload a then
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// If the file state is INCOMPLETE and CORRUPT, we must upload it.
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// Else, if the file state is COMPLETE, we don't need to upload it because
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// the content is already there, possibly it was created with deduplication,
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// and also any metadata changes are already performed by the allocate request.
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if response.State != "COMPLETED" {
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// how much do we still have to upload?
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remainingBytes := size - response.ResumePos
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@ -1963,22 +2030,18 @@ func (o *Object) Update(ctx context.Context, in io.Reader, src fs.ObjectInfo, op
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}
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// send the remaining bytes
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resp, err = o.fs.apiSrv.CallJSON(ctx, &opts, nil, &result)
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_, err = o.fs.apiSrv.CallJSON(ctx, &opts, nil, &result)
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if err != nil {
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return err
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}
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// finally update the meta data
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o.hasMetaData = true
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o.size = result.Bytes
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o.md5 = result.Md5
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o.modTime = time.Unix(result.Modified/1000, 0)
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} else {
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// If the file state is COMPLETE we don't need to upload it because the file was already found but we still need to update our metadata
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return o.readMetaData(ctx, true)
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// Upload response contains main metadata properties (size, md5 and modTime)
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// which could be set back to the object, but it does not contain the
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// necessary information to set the createTime and updateTime properties,
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// so must therefore perform a read instead.
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}
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return nil
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// in any case we must update the object meta data
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return o.readMetaData(ctx, true)
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}
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func (o *Object) remove(ctx context.Context, hard bool) error {
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@ -2013,6 +2076,22 @@ func (o *Object) Remove(ctx context.Context) error {
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return o.remove(ctx, o.fs.opt.HardDelete)
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}
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// Metadata returns metadata for an object
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//
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// It should return nil if there is no Metadata
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func (o *Object) Metadata(ctx context.Context) (metadata fs.Metadata, err error) {
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err = o.readMetaData(ctx, false)
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if err != nil {
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fs.Logf(o, "Failed to read metadata: %v", err)
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return nil, err
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}
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metadata.Set("btime", o.createTime.Format(time.RFC3339Nano)) // metadata timestamps should be RFC3339Nano
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metadata.Set("mtime", o.modTime.Format(time.RFC3339Nano))
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metadata.Set("utime", o.updateTime.Format(time.RFC3339Nano))
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metadata.Set("content-type", o.mimeType)
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return metadata, nil
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}
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// Check the interfaces are satisfied
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var (
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_ fs.Fs = (*Fs)(nil)
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@ -2027,4 +2106,5 @@ var (
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_ fs.CleanUpper = (*Fs)(nil)
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_ fs.Object = (*Object)(nil)
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_ fs.MimeTyper = (*Object)(nil)
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_ fs.Metadataer = (*Object)(nil)
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)
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@ -1,11 +1,17 @@
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package jottacloud
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import (
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"context"
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"crypto/md5"
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"fmt"
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"io"
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"testing"
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"time"
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"github.com/rclone/rclone/fs"
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"github.com/rclone/rclone/fstest"
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"github.com/rclone/rclone/fstest/fstests"
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"github.com/rclone/rclone/lib/random"
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"github.com/rclone/rclone/lib/readers"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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@ -40,3 +46,48 @@ func TestReadMD5(t *testing.T) {
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})
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}
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}
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func (f *Fs) InternalTestMetadata(t *testing.T) {
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ctx := context.Background()
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contents := random.String(1000)
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item := fstest.NewItem("test-metadata", contents, fstest.Time("2001-05-06T04:05:06.499999999Z"))
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utime := time.Now()
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metadata := fs.Metadata{
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"btime": "2009-05-06T04:05:06.499999999Z",
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"mtime": "2010-06-07T08:09:07.599999999Z",
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//"utime" - read-only
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//"content-type" - read-only
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}
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obj := fstests.PutTestContentsMetadata(ctx, t, f, &item, contents, true, "text/html", metadata)
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defer func() {
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assert.NoError(t, obj.Remove(ctx))
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}()
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o := obj.(*Object)
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gotMetadata, err := o.Metadata(ctx)
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require.NoError(t, err)
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for k, v := range metadata {
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got := gotMetadata[k]
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switch k {
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case "btime":
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assert.True(t, fstest.Time(v).Truncate(f.Precision()).Equal(fstest.Time(got)), fmt.Sprintf("btime not equal want %v got %v", v, got))
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case "mtime":
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assert.True(t, fstest.Time(v).Truncate(f.Precision()).Equal(fstest.Time(got)), fmt.Sprintf("btime not equal want %v got %v", v, got))
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case "utime":
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gotUtime := fstest.Time(got)
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dt := gotUtime.Sub(utime)
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assert.True(t, dt < time.Minute && dt > -time.Minute, fmt.Sprintf("utime more than 1 minute out want %v got %v delta %v", utime, gotUtime, dt))
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assert.True(t, fstest.Time(v).Equal(fstest.Time(got)))
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case "content-type":
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assert.True(t, o.MimeType(ctx) == got)
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default:
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assert.Equal(t, v, got, k)
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}
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}
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}
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func (f *Fs) InternalTest(t *testing.T) {
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t.Run("Metadata", f.InternalTestMetadata)
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}
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var _ fstests.InternalTester = (*Fs)(nil)
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@ -233,7 +233,7 @@ them. Generally you should avoid these, unless you know what you are doing.
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### --fast-list
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This remote supports `--fast-list` which allows you to use fewer
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This backend supports `--fast-list` which allows you to use fewer
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transactions in exchange for more memory. See the [rclone
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docs](/docs/#fast-list) for more details.
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@ -241,8 +241,9 @@ Note that the implementation in Jottacloud always uses only a single
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API request to get the entire list, so for large folders this could
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lead to long wait time before the first results are shown.
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Note also that with rclone version 1.58 and newer information about
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[MIME types](/overview/#mime-type) are not available when using `--fast-list`.
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Note also that with rclone version 1.58 and newer, information about
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[MIME types](/overview/#mime-type) and metadata item [utime](#metadata)
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are not available when using `--fast-list`.
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### Modified time and hashes
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@ -33,7 +33,7 @@ Here is an overview of the major features of each cloud storage system.
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| HiDrive | HiDrive ¹² | R/W | No | No | - | - |
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| HTTP | - | R | No | No | R | - |
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| Internet Archive | MD5, SHA1, CRC32 | R/W ¹¹ | No | No | - | RWU |
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| Jottacloud | MD5 | R/W | Yes | No | R | - |
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| Jottacloud | MD5 | R/W | Yes | No | R | RW |
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| Koofr | MD5 | - | Yes | No | - | - |
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| Mail.ru Cloud | Mailru ⁶ | R/W | Yes | No | - | - |
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| Mega | - | - | No | Yes | - | - |
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