drive

package
v1.67.3 Latest Latest
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 Go to latest Published: Apr 23, 2024 License: MIT Imports: 46 Imported by: 0

Documentation

Overview

Package drive interfaces with the Google Drive object storage system

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func NewFs 

func NewFs(ctx context.Context, name, path string, m configmap.Mapper) (fs.Fs, error)

NewFs constructs an Fs from the path, container:path

Types

type Directory added in v1.67.2 

type Directory struct {
	// contains filtered or unexported fields
}

Directory describes a drive directory

func (*Directory) Fs added in v1.67.2 

func (o *Directory) Fs() fs.Info

Fs returns the parent Fs

func (*Directory) Hash added in v1.67.2 

func (d *Directory) Hash()

Hash does nothing on a directory

This method is implemented with the incorrect type signature to stop the Directory type asserting to fs.Object or fs.ObjectInfo

func (*Directory) ID added in v1.67.2 

func (o *Directory) ID() string

ID returns the ID of the Object if known, or "" if not

func (*Directory) Items added in v1.67.2 

func (d *Directory) Items() int64

Items returns the count of items in this directory or this directory and subdirectories if known, -1 for unknown

func (*Directory) Metadata added in v1.67.2 

func (o *Directory) Metadata(ctx context.Context) (metadata fs.Metadata, err error)

Metadata returns metadata for an object

It should return nil if there is no Metadata

func (*Directory) MimeType added in v1.67.2 

func (o *Directory) MimeType(ctx context.Context) string

MimeType of an Object if known, "" otherwise

func (*Directory) ModTime added in v1.67.2 

func (o *Directory) ModTime(ctx context.Context) time.Time

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 (*Directory) ParentID added in v1.67.2 

func (o *Directory) ParentID() string

ParentID returns the ID of the Object parent if known, or "" if not

func (*Directory) Remote added in v1.67.2 

func (o *Directory) Remote() string

Remote returns the remote path

func (*Directory) Remove added in v1.67.2 

func (o *Directory) Remove(ctx context.Context) error

Remove an object

func (*Directory) SetMetadata added in v1.67.2 

func (d *Directory) SetMetadata(ctx context.Context, metadata fs.Metadata) error

SetMetadata sets metadata for a Directory

It should return fs.ErrorNotImplemented if it can't set metadata

func (*Directory) SetModTime added in v1.67.2 

func (o *Directory) SetModTime(ctx context.Context, modTime time.Time) error

SetModTime sets the modification time of the drive fs object

func (*Directory) Size added in v1.67.2 

func (o *Directory) Size() int64

Size returns the size of an object in bytes

func (*Directory) Storable added in v1.67.2 

func (o *Directory) Storable() bool

Storable returns a boolean as to whether this object is storable

func (*Directory) String added in v1.67.2 

func (o *Directory) String() string

Return a string version

type Fs 

type Fs struct {
	// contains filtered or unexported fields
}

Fs represents a remote drive server

func (*Fs) About 

func (f *Fs) About(ctx context.Context) (*fs.Usage, error)

About gets quota information

func (*Fs) ChangeNotify 

func (f *Fs) ChangeNotify(ctx context.Context, notifyFunc func(string, fs.EntryType), pollIntervalChan <-chan time.Duration)

ChangeNotify calls the passed function with a path that has had changes. If the implementation uses polling, it should adhere to the given interval.

Automatically restarts itself in case of unexpected behavior of the remote.

Close the returned channel to stop being notified.

func (*Fs) CleanUp 

func (f *Fs) CleanUp(ctx context.Context) error

CleanUp empties the trash

func (*Fs) Command added in v1.50.20 

func (f *Fs) Command(ctx context.Context, name string, arg []string, opt map[string]string) (out interface{}, err error)

Command the backend to run a named command

The command run is name args may be used to read arguments from opts may be used to read optional arguments from

The result should be capable of being JSON encoded If it is a string or a []string it will be shown to the user otherwise it will be JSON encoded and shown to the user like that

func (*Fs) Copy 

func (f *Fs) Copy(ctx context.Context, src fs.Object, remote string) (fs.Object, error)

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 (*Fs) CreateDir 

func (f *Fs) CreateDir(ctx context.Context, pathID, leaf string) (newID string, err error)

CreateDir makes a directory with pathID as parent and name leaf

func (*Fs) DirCacheFlush 

func (f *Fs) DirCacheFlush()

DirCacheFlush resets the directory cache - used in testing as an optional interface

func (*Fs) DirMove 

func (f *Fs) DirMove(ctx context.Context, src fs.Fs, srcRemote, dstRemote string) error

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 (*Fs) DirSetModTime added in v1.67.2 

func (f *Fs) DirSetModTime(ctx context.Context, dir string, modTime time.Time) error

DirSetModTime sets the directory modtime for dir

func (*Fs) Features 

func (f *Fs) Features() *fs.Features

Features returns the optional features of this Fs

func (*Fs) FindLeaf 

func (f *Fs) FindLeaf(ctx context.Context, pathID, leaf string) (pathIDOut string, found bool, err error)

FindLeaf finds a directory of name leaf in the folder with ID pathID

func (*Fs) Hashes 

func (f *Fs) Hashes() hash.Set

Hashes returns the supported hash sets.

func (*Fs) List 

func (f *Fs) List(ctx context.Context, dir string) (entries fs.DirEntries, err error)

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 (*Fs) ListR 

func (f *Fs) ListR(ctx context.Context, dir string, callback fs.ListRCallback) (err error)

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.

This should return ErrDirNotFound if the directory isn't found.

It should call callback for each tranche of entries read. These need not be returned in any particular order. If callback returns an error then the listing will stop immediately.

Don't implement this unless you have a more efficient way of listing recursively that doing a directory traversal.

func (*Fs) MergeDirs 

func (f *Fs) MergeDirs(ctx context.Context, dirs []fs.Directory) error

MergeDirs merges the contents of all the directories passed in into the first one and rmdirs the other directories.

func (*Fs) Mkdir 

func (f *Fs) Mkdir(ctx context.Context, dir string) error

Mkdir creates the container if it doesn't exist

func (*Fs) MkdirMetadata added in v1.67.2 

func (f *Fs) MkdirMetadata(ctx context.Context, dir string, metadata fs.Metadata) (fs.Directory, error)

MkdirMetadata makes the directory passed in as dir.

It shouldn't return an error if it already exists.

If the metadata is not nil it is set.

It returns the directory that was created.

func (*Fs) Move 

func (f *Fs) Move(ctx context.Context, src fs.Object, remote string) (fs.Object, error)

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 (*Fs) Name 

func (f *Fs) Name() string

Name of the remote (as passed into NewFs)

func (*Fs) NewObject 

func (f *Fs) NewObject(ctx context.Context, remote string) (fs.Object, error)

NewObject finds the Object at remote. If it can't be found it returns the error fs.ErrorObjectNotFound.

func (*Fs) Precision 

func (f *Fs) Precision() time.Duration

Precision of the object storage system 

func (f *Fs) PublicLink(ctx context.Context, remote string, expire fs.Duration, unlink bool) (link string, err error)

PublicLink adds a "readable by anyone with link" permission on the given file or folder.

func (*Fs) Purge 

func (f *Fs) Purge(ctx context.Context, dir string) error

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 (*Fs) Put 

func (f *Fs) Put(ctx context.Context, in io.Reader, src fs.ObjectInfo, options ...fs.OpenOption) (fs.Object, error)

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 (*Fs) PutStream 

func (f *Fs) PutStream(ctx context.Context, in io.Reader, src fs.ObjectInfo, options ...fs.OpenOption) (fs.Object, error)

PutStream uploads to the remote path with the modTime given of indeterminate size

func (*Fs) PutUnchecked 

func (f *Fs) PutUnchecked(ctx context.Context, in io.Reader, src fs.ObjectInfo, options ...fs.OpenOption) (fs.Object, error)

PutUnchecked uploads the object

This will create a duplicate if we upload a new file without checking to see if there is one already - use Put() for that.

func (*Fs) Rmdir 

func (f *Fs) Rmdir(ctx context.Context, dir string) error

Rmdir deletes a directory

Returns an error if it isn't empty

func (*Fs) Root 

func (f *Fs) Root() string

Root of the remote (as passed into NewFs)

func (*Fs) String 

func (f *Fs) String() string

String converts this Fs to a string

func (*Fs) Upload 

func (f *Fs) Upload(ctx context.Context, in io.Reader, size int64, contentType, fileID, remote string, info *drive.File) (*drive.File, error)

Upload the io.Reader in of size bytes with contentType and info

type Object 

type Object struct {
	// contains filtered or unexported fields
}

Object describes a drive object

func (*Object) Fs 

func (o *Object) Fs() fs.Info

Fs returns the parent Fs

func (*Object) Hash 

func (o *Object) Hash(ctx context.Context, t hash.Type) (string, error)

Hash returns the Md5sum of an object returning a lowercase hex string

func (*Object) ID 

func (o *Object) ID() string

ID returns the ID of the Object if known, or "" if not

func (*Object) Metadata added in v1.62.1 

func (o *Object) Metadata(ctx context.Context) (metadata fs.Metadata, err error)

Metadata returns metadata for an object

It should return nil if there is no Metadata

func (*Object) MimeType 

func (o *Object) MimeType(ctx context.Context) string

MimeType of an Object if known, "" otherwise

func (*Object) ModTime 

func (o *Object) ModTime(ctx context.Context) time.Time

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 (*Object) Open 

func (o *Object) Open(ctx context.Context, options ...fs.OpenOption) (in io.ReadCloser, err error)

Open an object for read

func (*Object) ParentID added in v1.55.0 

func (o *Object) ParentID() string

ParentID returns the ID of the Object parent if known, or "" if not

func (*Object) Remote 

func (o *Object) Remote() string

Remote returns the remote path

func (*Object) Remove 

func (o *Object) Remove(ctx context.Context) error

Remove an object

func (*Object) SetModTime 

func (o *Object) SetModTime(ctx context.Context, modTime time.Time) error

SetModTime sets the modification time of the drive fs object

func (*Object) Size 

func (o *Object) Size() int64

Size returns the size of an object in bytes

func (*Object) Storable 

func (o *Object) Storable() bool

Storable returns a boolean as to whether this object is storable

func (*Object) String 

func (o *Object) String() string

Return a string version

func (*Object) Update 

func (o *Object) Update(ctx context.Context, in io.Reader, src fs.ObjectInfo, options ...fs.OpenOption) error

Update the already existing object

Copy the reader into the object updating modTime and size.

The new object may have been created if an error is returned

type Options 

type Options struct {
	Scope                     string               `config:"scope"`
	RootFolderID              string               `config:"root_folder_id"`
	ServiceAccountFile        string               `config:"service_account_file"`
	ServiceAccountCredentials string               `config:"service_account_credentials"`
	TeamDriveID               string               `config:"team_drive"`
	AuthOwnerOnly             bool                 `config:"auth_owner_only"`
	UseTrash                  bool                 `config:"use_trash"`
	CopyShortcutContent       bool                 `config:"copy_shortcut_content"`
	SkipGdocs                 bool                 `config:"skip_gdocs"`
	ShowAllGdocs              bool                 `config:"show_all_gdocs"`
	SkipChecksumGphotos       bool                 `config:"skip_checksum_gphotos"`
	SharedWithMe              bool                 `config:"shared_with_me"`
	TrashedOnly               bool                 `config:"trashed_only"`
	StarredOnly               bool                 `config:"starred_only"`
	Extensions                string               `config:"formats"`
	ExportExtensions          string               `config:"export_formats"`
	ImportExtensions          string               `config:"import_formats"`
	AllowImportNameChange     bool                 `config:"allow_import_name_change"`
	UseCreatedDate            bool                 `config:"use_created_date"`
	UseSharedDate             bool                 `config:"use_shared_date"`
	ListChunk                 int64                `config:"list_chunk"`
	Impersonate               string               `config:"impersonate"`
	UploadCutoff              fs.SizeSuffix        `config:"upload_cutoff"`
	ChunkSize                 fs.SizeSuffix        `config:"chunk_size"`
	AcknowledgeAbuse          bool                 `config:"acknowledge_abuse"`
	KeepRevisionForever       bool                 `config:"keep_revision_forever"`
	SizeAsQuota               bool                 `config:"size_as_quota"`
	V2DownloadMinSize         fs.SizeSuffix        `config:"v2_download_min_size"`
	PacerMinSleep             fs.Duration          `config:"pacer_min_sleep"`
	PacerBurst                int                  `config:"pacer_burst"`
	ServerSideAcrossConfigs   bool                 `config:"server_side_across_configs"`
	DisableHTTP2              bool                 `config:"disable_http2"`
	StopOnUploadLimit         bool                 `config:"stop_on_upload_limit"`
	StopOnDownloadLimit       bool                 `config:"stop_on_download_limit"`
	SkipShortcuts             bool                 `config:"skip_shortcuts"`
	SkipDanglingShortcuts     bool                 `config:"skip_dangling_shortcuts"`
	ResourceKey               string               `config:"resource_key"`
	FastListBugFix            bool                 `config:"fast_list_bug_fix"`
	MetadataOwner             rwChoice             `config:"metadata_owner"`
	MetadataPermissions       rwChoice             `config:"metadata_permissions"`
	MetadataLabels            rwChoice             `config:"metadata_labels"`
	Enc                       encoder.MultiEncoder `config:"encoding"`
	EnvAuth                   bool                 `config:"env_auth"`
}

Options defines the configuration for this backend

Source Files

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