// Package onedrive provides an interface to the Microsoft OneDrive // object storage system. package onedrive import ( "context" "encoding/base64" "encoding/hex" "encoding/json" "errors" "fmt" "io" "net/http" "net/url" "path" "regexp" "strconv" "strings" "sync" "time" "github.com/rclone/rclone/backend/onedrive/api" "github.com/rclone/rclone/backend/onedrive/quickxorhash" "github.com/rclone/rclone/fs" "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/hash" "github.com/rclone/rclone/fs/operations" "github.com/rclone/rclone/fs/walk" "github.com/rclone/rclone/lib/atexit" "github.com/rclone/rclone/lib/dircache" "github.com/rclone/rclone/lib/encoder" "github.com/rclone/rclone/lib/oauthutil" "github.com/rclone/rclone/lib/pacer" "github.com/rclone/rclone/lib/readers" "github.com/rclone/rclone/lib/rest" "golang.org/x/oauth2" ) const ( rcloneClientID = "b15665d9-eda6-4092-8539-0eec376afd59" rcloneEncryptedClientSecret = "_JUdzh3LnKNqSPcf4Wu5fgMFIQOI8glZu_akYgR8yf6egowNBg-R" minSleep = 10 * time.Millisecond maxSleep = 2 * time.Second decayConstant = 2 // bigger for slower decay, exponential configDriveID = "drive_id" configDriveType = "drive_type" driveTypePersonal = "personal" driveTypeBusiness = "business" driveTypeSharepoint = "documentLibrary" defaultChunkSize = 10 * fs.Mebi chunkSizeMultiple = 320 * fs.Kibi regionGlobal = "global" regionUS = "us" regionDE = "de" regionCN = "cn" ) // Globals var ( authPath = "/common/oauth2/v2.0/authorize" tokenPath = "/common/oauth2/v2.0/token" scopeAccess = fs.SpaceSepList{"Files.Read", "Files.ReadWrite", "Files.Read.All", "Files.ReadWrite.All", "Sites.Read.All", "offline_access"} scopeAccessWithoutSites = fs.SpaceSepList{"Files.Read", "Files.ReadWrite", "Files.Read.All", "Files.ReadWrite.All", "offline_access"} // Description of how to auth for this app for a business account oauthConfig = &oauth2.Config{ Scopes: scopeAccess, ClientID: rcloneClientID, ClientSecret: obscure.MustReveal(rcloneEncryptedClientSecret), RedirectURL: oauthutil.RedirectLocalhostURL, } graphAPIEndpoint = map[string]string{ "global": "https://graph.microsoft.com", "us": "https://graph.microsoft.us", "de": "https://graph.microsoft.de", "cn": "https://microsoftgraph.chinacloudapi.cn", } authEndpoint = map[string]string{ "global": "https://login.microsoftonline.com", "us": "https://login.microsoftonline.us", "de": "https://login.microsoftonline.de", "cn": "https://login.chinacloudapi.cn", } // QuickXorHashType is the hash.Type for OneDrive QuickXorHashType hash.Type ) // Register with Fs func init() { QuickXorHashType = hash.RegisterHash("quickxor", "QuickXorHash", 40, quickxorhash.New) fs.Register(&fs.RegInfo{ Name: "onedrive", Description: "Microsoft OneDrive", NewFs: NewFs, Config: Config, Options: append(oauthutil.SharedOptions, []fs.Option{{ Name: "region", Help: "Choose national cloud region for OneDrive.", Default: "global", Examples: []fs.OptionExample{ { Value: regionGlobal, Help: "Microsoft Cloud Global", }, { Value: regionUS, Help: "Microsoft Cloud for US Government", }, { Value: regionDE, Help: "Microsoft Cloud Germany", }, { Value: regionCN, Help: "Azure and Office 365 operated by Vnet Group in China", }, }, }, { Name: "chunk_size", Help: `Chunk size to upload files with - must be multiple of 320k (327,680 bytes). Above this size files will be chunked - must be multiple of 320k (327,680 bytes) and should not exceed 250M (262,144,000 bytes) else you may encounter \"Microsoft.SharePoint.Client.InvalidClientQueryException: The request message is too big.\" Note that the chunks will be buffered into memory.`, Default: defaultChunkSize, Advanced: true, }, { Name: "drive_id", Help: "The ID of the drive to use.", Default: "", Advanced: true, }, { Name: "drive_type", Help: "The type of the drive (" + driveTypePersonal + " | " + driveTypeBusiness + " | " + driveTypeSharepoint + ").", Default: "", Advanced: true, }, { Name: "root_folder_id", Help: `ID of the root folder. This isn't normally needed, but in special circumstances you might know the folder ID that you wish to access but not be able to get there through a path traversal. `, Advanced: true, }, { Name: "access_scopes", Help: `Set scopes to be requested by rclone. Choose or manually enter a custom space separated list with all scopes, that rclone should request. `, Default: scopeAccess, Advanced: true, Examples: []fs.OptionExample{ { Value: "Files.Read Files.ReadWrite Files.Read.All Files.ReadWrite.All Sites.Read.All offline_access", Help: "Read and write access to all resources", }, { Value: "Files.Read Files.Read.All Sites.Read.All offline_access", Help: "Read only access to all resources", }, { Value: "Files.Read Files.ReadWrite Files.Read.All Files.ReadWrite.All offline_access", Help: "Read and write access to all resources, without the ability to browse SharePoint sites. \nSame as if disable_site_permission was set to true", }, }}, { Name: "disable_site_permission", Help: `Disable the request for Sites.Read.All permission. If set to true, you will no longer be able to search for a SharePoint site when configuring drive ID, because rclone will not request Sites.Read.All permission. Set it to true if your organization didn't assign Sites.Read.All permission to the application, and your organization disallows users to consent app permission request on their own.`, Default: false, Advanced: true, Hide: fs.OptionHideBoth, }, { Name: "expose_onenote_files", Help: `Set to make OneNote files show up in directory listings. By default, rclone will hide OneNote files in directory listings because operations like "Open" and "Update" won't work on them. But this behaviour may also prevent you from deleting them. If you want to delete OneNote files or otherwise want them to show up in directory listing, set this option.`, Default: false, Advanced: true, }, { Name: "server_side_across_configs", Default: false, Help: `Allow server-side operations (e.g. copy) to work across different onedrive configs. This will only work if you are copying between two OneDrive *Personal* drives AND the files to copy are already shared between them. In other cases, rclone will fall back to normal copy (which will be slightly slower).`, Advanced: true, }, { Name: "list_chunk", Help: "Size of listing chunk.", Default: 1000, Advanced: true, }, { Name: "no_versions", Default: false, Help: `Remove all versions on modifying operations. Onedrive for business creates versions when rclone uploads new files overwriting an existing one and when it sets the modification time. These versions take up space out of the quota. This flag checks for versions after file upload and setting modification time and removes all but the last version. **NB** Onedrive personal can't currently delete versions so don't use this flag there. `, Advanced: true, }, { Name: "link_scope", Default: "anonymous", Help: `Set the scope of the links created by the link command.`, Advanced: true, Examples: []fs.OptionExample{{ Value: "anonymous", Help: "Anyone with the link has access, without needing to sign in.\nThis may include people outside of your organization.\nAnonymous link support may be disabled by an administrator.", }, { Value: "organization", Help: "Anyone signed into your organization (tenant) can use the link to get access.\nOnly available in OneDrive for Business and SharePoint.", }}, }, { Name: "link_type", Default: "view", Help: `Set the type of the links created by the link command.`, Advanced: true, Examples: []fs.OptionExample{{ Value: "view", Help: "Creates a read-only link to the item.", }, { Value: "edit", Help: "Creates a read-write link to the item.", }, { Value: "embed", Help: "Creates an embeddable link to the item.", }}, }, { Name: "link_password", Default: "", Help: `Set the password for links created by the link command. At the time of writing this only works with OneDrive personal paid accounts. `, Advanced: true, }, { Name: config.ConfigEncoding, Help: config.ConfigEncodingHelp, Advanced: true, // List of replaced characters: // < (less than) -> '＜' // FULLWIDTH LESS-THAN SIGN // > (greater than) -> '＞' // FULLWIDTH GREATER-THAN SIGN // : (colon) -> '：' // FULLWIDTH COLON // " (double quote) -> '＂' // FULLWIDTH QUOTATION MARK // \ (backslash) -> '＼' // FULLWIDTH REVERSE SOLIDUS // | (vertical line) -> '｜' // FULLWIDTH VERTICAL LINE // ? (question mark) -> '？' // FULLWIDTH QUESTION MARK // * (asterisk) -> '＊' // FULLWIDTH ASTERISK // // Folder names cannot begin with a tilde ('~') // List of replaced characters: // ~ (tilde) -> '～' // FULLWIDTH TILDE // // Additionally names can't begin with a space ( ) or end with a period (.) or space ( ). // List of replaced characters: // . (period) -> '．' // FULLWIDTH FULL STOP // (space) -> '␠' // SYMBOL FOR SPACE // // Also encode invalid UTF-8 bytes as json doesn't handle them. // // The OneDrive API documentation lists the set of reserved characters, but // testing showed this list is incomplete. This are the differences: // - " (double quote) is rejected, but missing in the documentation // - space at the end of file and folder names is rejected, but missing in the documentation // - period at the end of file names is rejected, but missing in the documentation // // Adding these restrictions to the OneDrive API documentation yields exactly // the same rules as the Windows naming conventions. // // https://docs.microsoft.com/en-us/onedrive/developer/rest-api/concepts/addressing-driveitems?view=odsp-graph-online#path-encoding Default: (encoder.Display | encoder.EncodeBackSlash | encoder.EncodeLeftSpace | encoder.EncodeLeftTilde | encoder.EncodeRightPeriod | encoder.EncodeRightSpace | encoder.EncodeWin | encoder.EncodeInvalidUtf8), }}...), }) } type driveResource struct { DriveID string `json:"id"` DriveName string `json:"name"` DriveType string `json:"driveType"` } type drivesResponse struct { Drives []driveResource `json:"value"` } type siteResource struct { SiteID string `json:"id"` SiteName string `json:"displayName"` SiteURL string `json:"webUrl"` } type siteResponse struct { Sites []siteResource `json:"value"` } type deltaResponse struct { DeltaLink string `json:"@odata.deltaLink"` Value []api.Item `json:"value"` } // Get the region and graphURL from the config func getRegionURL(m configmap.Mapper) (region, graphURL string) { region, _ = m.Get("region") graphURL = graphAPIEndpoint[region] + "/v1.0" return region, graphURL } // Config for chooseDrive type chooseDriveOpt struct { opts rest.Opts finalDriveID string siteID string relativePath string } // chooseDrive returns a query to choose which drive the user is interested in func chooseDrive(ctx context.Context, name string, m configmap.Mapper, srv *rest.Client, opt chooseDriveOpt) (*fs.ConfigOut, error) { _, graphURL := getRegionURL(m) // if we use server-relative URL for finding the drive if opt.relativePath != "" { opt.opts = rest.Opts{ Method: "GET", RootURL: graphURL, Path: "/sites/root:" + opt.relativePath, } site := siteResource{} _, err := srv.CallJSON(ctx, &opt.opts, nil, &site) if err != nil { return fs.ConfigError("choose_type", fmt.Sprintf("Failed to query available site by relative path: %v", err)) } opt.siteID = site.SiteID } // if we have a siteID we need to ask for the drives if opt.siteID != "" { opt.opts = rest.Opts{ Method: "GET", RootURL: graphURL, Path: "/sites/" + opt.siteID + "/drives", } } drives := drivesResponse{} // We don't have the final ID yet? // query Microsoft Graph if opt.finalDriveID == "" { _, err := srv.CallJSON(ctx, &opt.opts, nil, &drives) if err != nil { return fs.ConfigError("choose_type", fmt.Sprintf("Failed to query available drives: %v", err)) } // Also call /me/drive as sometimes /me/drives doesn't return it #4068 if opt.opts.Path == "/me/drives" { opt.opts.Path = "/me/drive" meDrive := driveResource{} _, err := srv.CallJSON(ctx, &opt.opts, nil, &meDrive) if err != nil { return fs.ConfigError("choose_type", fmt.Sprintf("Failed to query available drives: %v", err)) } found := false for _, drive := range drives.Drives { if drive.DriveID == meDrive.DriveID { found = true break } } // add the me drive if not found already if !found { fs.Debugf(nil, "Adding %v to drives list from /me/drive", meDrive) drives.Drives = append(drives.Drives, meDrive) } } } else { drives.Drives = append(drives.Drives, driveResource{ DriveID: opt.finalDriveID, DriveName: "Chosen Drive ID", DriveType: "drive", }) } if len(drives.Drives) == 0 { return fs.ConfigError("choose_type", "No drives found") } return fs.ConfigChoose("driveid_final", "config_driveid", "Select drive you want to use", len(drives.Drives), func(i int) (string, string) { drive := drives.Drives[i] return drive.DriveID, fmt.Sprintf("%s (%s)", drive.DriveName, drive.DriveType) }) } // Config the backend func Config(ctx context.Context, name string, m configmap.Mapper, config fs.ConfigIn) (*fs.ConfigOut, error) { region, graphURL := getRegionURL(m) if config.State == "" { var accessScopes fs.SpaceSepList accessScopesString, _ := m.Get("access_scopes") err := accessScopes.Set(accessScopesString) if err != nil { return nil, fmt.Errorf("failed to parse access_scopes: %w", err) } oauthConfig.Scopes = []string(accessScopes) disableSitePermission, _ := m.Get("disable_site_permission") if disableSitePermission == "true" { oauthConfig.Scopes = scopeAccessWithoutSites } oauthConfig.Endpoint = oauth2.Endpoint{ AuthURL: authEndpoint[region] + authPath, TokenURL: authEndpoint[region] + tokenPath, } return oauthutil.ConfigOut("choose_type", &oauthutil.Options{ OAuth2Config: oauthConfig, }) } oAuthClient, _, err := oauthutil.NewClient(ctx, name, m, oauthConfig) if err != nil { return nil, fmt.Errorf("failed to configure OneDrive: %w", err) } srv := rest.NewClient(oAuthClient) switch config.State { case "choose_type": return fs.ConfigChooseExclusiveFixed("choose_type_done", "config_type", "Type of connection", []fs.OptionExample{{ Value: "onedrive", Help: "OneDrive Personal or Business", }, { Value: "sharepoint", Help: "Root Sharepoint site", }, { Value: "url", Help: "Sharepoint site name or URL\nE.g. mysite or https://contoso.sharepoint.com/sites/mysite", }, { Value: "search", Help: "Search for a Sharepoint site", }, { Value: "driveid", Help: "Type in driveID (advanced)", }, { Value: "siteid", Help: "Type in SiteID (advanced)", }, { Value: "path", Help: "Sharepoint server-relative path (advanced)\nE.g. /teams/hr", }}) case "choose_type_done": // Jump to next state according to config chosen return fs.ConfigGoto(config.Result) case "onedrive": return chooseDrive(ctx, name, m, srv, chooseDriveOpt{ opts: rest.Opts{ Method: "GET", RootURL: graphURL, Path: "/me/drives", }, }) case "sharepoint": return chooseDrive(ctx, name, m, srv, chooseDriveOpt{ opts: rest.Opts{ Method: "GET", RootURL: graphURL, Path: "/sites/root/drives", }, }) case "driveid": return fs.ConfigInput("driveid_end", "config_driveid_fixed", "Drive ID") case "driveid_end": return chooseDrive(ctx, name, m, srv, chooseDriveOpt{ finalDriveID: config.Result, }) case "siteid": return fs.ConfigInput("siteid_end", "config_siteid", "Site ID") case "siteid_end": return chooseDrive(ctx, name, m, srv, chooseDriveOpt{ siteID: config.Result, }) case "url": return fs.ConfigInput("url_end", "config_site_url", `Site URL Example: "https://contoso.sharepoint.com/sites/mysite" or "mysite" `) case "url_end": siteURL := config.Result re := regexp.MustCompile(`https://.*\.sharepoint.com/sites/(.*)`) match := re.FindStringSubmatch(siteURL) if len(match) == 2 { return chooseDrive(ctx, name, m, srv, chooseDriveOpt{ relativePath: "/sites/" + match[1], }) } return chooseDrive(ctx, name, m, srv, chooseDriveOpt{ relativePath: "/sites/" + siteURL, }) case "path": return fs.ConfigInput("path_end", "config_sharepoint_url", `Server-relative URL`) case "path_end": return chooseDrive(ctx, name, m, srv, chooseDriveOpt{ relativePath: config.Result, }) case "search": return fs.ConfigInput("search_end", "config_search_term", `Search term`) case "search_end": searchTerm := config.Result opts := rest.Opts{ Method: "GET", RootURL: graphURL, Path: "/sites?search=" + searchTerm, } sites := siteResponse{} _, err := srv.CallJSON(ctx, &opts, nil, &sites) if err != nil { return fs.ConfigError("choose_type", fmt.Sprintf("Failed to query available sites: %v", err)) } if len(sites.Sites) == 0 { return fs.ConfigError("choose_type", fmt.Sprintf("search for %q returned no results", searchTerm)) } return fs.ConfigChoose("search_sites", "config_site", `Select the Site you want to use`, len(sites.Sites), func(i int) (string, string) { site := sites.Sites[i] return site.SiteID, fmt.Sprintf("%s (%s)", site.SiteName, site.SiteURL) }) case "search_sites": return chooseDrive(ctx, name, m, srv, chooseDriveOpt{ siteID: config.Result, }) case "driveid_final": finalDriveID := config.Result // Test the driveID and get drive type opts := rest.Opts{ Method: "GET", RootURL: graphURL, Path: "/drives/" + finalDriveID + "/root"} var rootItem api.Item _, err = srv.CallJSON(ctx, &opts, nil, &rootItem) if err != nil { return fs.ConfigError("choose_type", fmt.Sprintf("Failed to query root for drive %q: %v", finalDriveID, err)) } m.Set(configDriveID, finalDriveID) m.Set(configDriveType, rootItem.ParentReference.DriveType) return fs.ConfigConfirm("driveid_final_end", true, "config_drive_ok", fmt.Sprintf("Drive OK?\n\nFound drive %q of type %q\nURL: %s\n", rootItem.Name, rootItem.ParentReference.DriveType, rootItem.WebURL)) case "driveid_final_end": if config.Result == "true" { return nil, nil } return fs.ConfigGoto("choose_type") } return nil, fmt.Errorf("unknown state %q", config.State) } // Options defines the configuration for this backend type Options struct { Region string `config:"region"` ChunkSize fs.SizeSuffix `config:"chunk_size"` DriveID string `config:"drive_id"` DriveType string `config:"drive_type"` RootFolderID string `config:"root_folder_id"` DisableSitePermission bool `config:"disable_site_permission"` AccessScopes fs.SpaceSepList `config:"access_scopes"` ExposeOneNoteFiles bool `config:"expose_onenote_files"` ServerSideAcrossConfigs bool `config:"server_side_across_configs"` ListChunk int64 `config:"list_chunk"` NoVersions bool `config:"no_versions"` LinkScope string `config:"link_scope"` LinkType string `config:"link_type"` LinkPassword string `config:"link_password"` Enc encoder.MultiEncoder `config:"encoding"` } // Fs represents a remote one drive type Fs struct { name string // name of this remote root string // the path we are working on opt Options // parsed options ci *fs.ConfigInfo // global config features *fs.Features // optional features srv *rest.Client // the connection to the one drive server dirCache *dircache.DirCache // Map of directory path to directory id pacer *fs.Pacer // pacer for API calls tokenRenewer *oauthutil.Renew // renew the token on expiry driveID string // ID to use for querying Microsoft Graph driveType string // https://developer.microsoft.com/en-us/graph/docs/api-reference/v1.0/resources/drive } // Object describes a one drive object // // Will definitely have info but maybe not meta type Object struct { fs *Fs // what this object is part of remote string // The remote path hasMetaData bool // whether info below has been set isOneNoteFile bool // Whether the object is a OneNote file size int64 // size of the object modTime time.Time // modification time of the object id string // ID of the object sha1 string // SHA-1 of the object content quickxorhash string // QuickXorHash of the object content mimeType string // Content-Type of object from server (may not be as uploaded) } // ------------------------------------------------------------ // 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("One drive root '%s'", f.root) } // Features returns the optional features of this Fs func (f *Fs) Features() *fs.Features { return f.features } // parsePath parses a one drive '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 } var gatewayTimeoutError sync.Once var errAsyncJobAccessDenied = errors.New("async job failed - access denied") // shouldRetry returns a boolean as to whether this resp and err // deserve to be retried. It returns the err as a convenience func shouldRetry(ctx context.Context, resp *http.Response, err error) (bool, error) { if fserrors.ContextError(ctx, &err) { return false, err } retry := false if resp != nil { switch resp.StatusCode { case 400: if apiErr, ok := err.(*api.Error); ok { if apiErr.ErrorInfo.InnerError.Code == "pathIsTooLong" { return false, fserrors.NoRetryError(err) } } case 401: if len(resp.Header["Www-Authenticate"]) == 1 && strings.Contains(resp.Header["Www-Authenticate"][0], "expired_token") { retry = true fs.Debugf(nil, "Should retry: %v", err) } else if err != nil && strings.Contains(err.Error(), "Unable to initialize RPS") { retry = true fs.Debugf(nil, "HTTP 401: Unable to initialize RPS. Trying again.") } case 429: // Too Many Requests. // see https://docs.microsoft.com/en-us/sharepoint/dev/general-development/how-to-avoid-getting-throttled-or-blocked-in-sharepoint-online if values := resp.Header["Retry-After"]; len(values) == 1 && values[0] != "" { retryAfter, parseErr := strconv.Atoi(values[0]) if parseErr != nil { fs.Debugf(nil, "Failed to parse Retry-After: %q: %v", values[0], parseErr) } else { duration := time.Second * time.Duration(retryAfter) retry = true err = pacer.RetryAfterError(err, duration) fs.Debugf(nil, "Too many requests. Trying again in %d seconds.", retryAfter) } } case 504: // Gateway timeout gatewayTimeoutError.Do(func() { fs.Errorf(nil, "%v: upload chunks may be taking too long - try reducing --onedrive-chunk-size or decreasing --transfers", err) }) case 507: // Insufficient Storage return false, fserrors.FatalError(err) } } return retry || fserrors.ShouldRetry(err) || fserrors.ShouldRetryHTTP(resp, retryErrorCodes), err } // readMetaDataForPathRelativeToID reads the metadata for a path relative to an item that is addressed by its normalized ID. // if `relPath` == "", it reads the metadata for the item with that ID. // // We address items using the pattern `drives/driveID/items/itemID:/relativePath` // instead of simply using `drives/driveID/root:/itemPath` because it works for // "shared with me" folders in OneDrive Personal (See #2536, #2778) // This path pattern comes from https://github.com/OneDrive/onedrive-api-docs/issues/908#issuecomment-417488480 // // If `relPath` == ”, do not append the slash (See #3664) func (f *Fs) readMetaDataForPathRelativeToID(ctx context.Context, normalizedID string, relPath string) (info *api.Item, resp *http.Response, err error) { opts, _ := f.newOptsCallWithIDPath(normalizedID, relPath, true, "GET", "") err = f.pacer.Call(func() (bool, error) { resp, err = f.srv.CallJSON(ctx, &opts, nil, &info) return shouldRetry(ctx, resp, err) }) return info, resp, err } // readMetaDataForPath reads the metadata from the path (relative to the absolute root) func (f *Fs) readMetaDataForPath(ctx context.Context, path string) (info *api.Item, resp *http.Response, err error) { firstSlashIndex := strings.IndexRune(path, '/') if f.driveType != driveTypePersonal || firstSlashIndex == -1 { opts := f.newOptsCallWithPath(ctx, path, "GET", "") opts.Path = strings.TrimSuffix(opts.Path, ":") err = f.pacer.Call(func() (bool, error) { resp, err = f.srv.CallJSON(ctx, &opts, nil, &info) return shouldRetry(ctx, resp, err) }) return info, resp, err } // The following branch handles the case when we're using OneDrive Personal and the path is in a folder. // For OneDrive Personal, we need to consider the "shared with me" folders. // An item in such a folder can only be addressed by its ID relative to the sharer's driveID or // by its path relative to the folder's ID relative to the sharer's driveID. // Note: A "shared with me" folder can only be placed in the sharee's absolute root. // So we read metadata relative to a suitable folder's normalized ID. var dirCacheFoundRoot bool var rootNormalizedID string if f.dirCache != nil { rootNormalizedID, err = f.dirCache.RootID(ctx, false) dirCacheRootIDExists := err == nil if f.root == "" { // if f.root == "", it means f.root is the absolute root of the drive // and its ID should have been found in NewFs dirCacheFoundRoot = dirCacheRootIDExists } else if _, err := f.dirCache.RootParentID(ctx, false); err == nil { // if root is in a folder, it must have a parent folder, and // if dirCache has found root in NewFs, the parent folder's ID // should be present. // This RootParentID() check is a fix for #3164 which describes // a possible case where the root is not found. dirCacheFoundRoot = dirCacheRootIDExists } } relPath, insideRoot := getRelativePathInsideBase(f.root, path) var firstDir, baseNormalizedID string if !insideRoot || !dirCacheFoundRoot { // We do not have the normalized ID in dirCache for our query to base on. Query it manually. firstDir, relPath = path[:firstSlashIndex], path[firstSlashIndex+1:] info, resp, err := f.readMetaDataForPath(ctx, firstDir) if err != nil { return info, resp, err } baseNormalizedID = info.GetID() } else { if f.root != "" { // Read metadata based on root baseNormalizedID = rootNormalizedID } else { // Read metadata based on firstDir firstDir, relPath = path[:firstSlashIndex], path[firstSlashIndex+1:] baseNormalizedID, err = f.dirCache.FindDir(ctx, firstDir, false) if err != nil { return nil, nil, err } } } return f.readMetaDataForPathRelativeToID(ctx, baseNormalizedID, relPath) } // 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.DecodeJSON(resp, &errResponse) if err != nil { fs.Debugf(nil, "Couldn't decode error response: %v", err) } if errResponse.ErrorInfo.Code == "" { errResponse.ErrorInfo.Code = resp.Status } return errResponse } func checkUploadChunkSize(cs fs.SizeSuffix) error { const minChunkSize = fs.SizeSuffixBase if cs%chunkSizeMultiple != 0 { return fmt.Errorf("%s is not a multiple of %s", cs, chunkSizeMultiple) } if cs < minChunkSize { return fmt.Errorf("%s is less than %s", cs, minChunkSize) } return nil } func (f *Fs) setUploadChunkSize(cs fs.SizeSuffix) (old fs.SizeSuffix, err error) { err = checkUploadChunkSize(cs) if err == nil { old, f.opt.ChunkSize = f.opt.ChunkSize, cs } return } // NewFs constructs an Fs from the path, container:path func NewFs(ctx context.Context, name, root string, m configmap.Mapper) (fs.Fs, error) { // Parse config into Options struct opt := new(Options) err := configstruct.Set(m, opt) if err != nil { return nil, err } err = checkUploadChunkSize(opt.ChunkSize) if err != nil { return nil, fmt.Errorf("onedrive: chunk size: %w", err) } if opt.DriveID == "" || opt.DriveType == "" { return nil, errors.New("unable to get drive_id and drive_type - if you are upgrading from older versions of rclone, please run `rclone config` and re-configure this backend") } rootURL := graphAPIEndpoint[opt.Region] + "/v1.0" + "/drives/" + opt.DriveID oauthConfig.Scopes = opt.AccessScopes if opt.DisableSitePermission { oauthConfig.Scopes = scopeAccessWithoutSites } oauthConfig.Endpoint = oauth2.Endpoint{ AuthURL: authEndpoint[opt.Region] + authPath, TokenURL: authEndpoint[opt.Region] + tokenPath, } root = parsePath(root) oAuthClient, ts, err := oauthutil.NewClient(ctx, name, m, oauthConfig) if err != nil { return nil, fmt.Errorf("failed to configure OneDrive: %w", err) } ci := fs.GetConfig(ctx) f := &Fs{ name: name, root: root, opt: *opt, ci: ci, driveID: opt.DriveID, driveType: opt.DriveType, srv: rest.NewClient(oAuthClient).SetRoot(rootURL), pacer: fs.NewPacer(ctx, pacer.NewDefault(pacer.MinSleep(minSleep), pacer.MaxSleep(maxSleep), pacer.DecayConstant(decayConstant))), } f.features = (&fs.Features{ CaseInsensitive: true, ReadMimeType: true, CanHaveEmptyDirectories: true, ServerSideAcrossConfigs: opt.ServerSideAcrossConfigs, }).Fill(ctx, 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 }) // Get rootID var rootID = opt.RootFolderID if rootID == "" { rootInfo, _, err := f.readMetaDataForPath(ctx, "") if err != nil { return nil, fmt.Errorf("failed to get root: %w", err) } rootID = rootInfo.GetID() } if rootID == "" { return nil, errors.New("failed to get root: ID was empty") } f.dirCache = dircache.New(root, rootID, f) // Find the current root err = f.dirCache.FindRoot(ctx, false) if err != nil { // Assume it is a file newRoot, remote := dircache.SplitPath(root) tempF := *f tempF.dirCache = dircache.New(newRoot, rootID, &tempF) tempF.root = newRoot // Make new Fs which is the parent err = tempF.dirCache.FindRoot(ctx, false) if err != nil { // No root so return old f return f, nil } _, err := tempF.newObjectWithInfo(ctx, remote, nil) if err != nil { if err == fs.ErrorObjectNotFound { // File doesn't exist so return old f return f, nil } return nil, err } // XXX: update the old f here instead of returning tempF, since // `features` were already filled with functions having *f as a receiver. // See https://github.com/rclone/rclone/issues/2182 f.dirCache = tempF.dirCache f.root = tempF.root // return an error with an fs which points to the parent return f, fs.ErrorIsFile } return f, nil } // rootSlash returns root with a slash on if it is empty, otherwise empty string func (f *Fs) rootSlash() string { if f.root == "" { return f.root } return f.root + "/" } // 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.Item) (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) // 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) } // 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(f, "FindLeaf(%q, %q)", pathID, leaf) _, ok := f.dirCache.GetInv(pathID) if !ok { return "", false, errors.New("couldn't find parent ID") } info, resp, err := f.readMetaDataForPathRelativeToID(ctx, pathID, leaf) if err != nil { if resp != nil && resp.StatusCode == http.StatusNotFound { return "", false, nil } return "", false, err } if info.GetPackageType() == api.PackageTypeOneNote { return "", false, errors.New("found OneNote file when looking for folder") } if info.GetFolder() == nil { return "", false, errors.New("found file when looking for folder") } return info.GetID(), true, nil } // CreateDir makes a directory with pathID as parent and name leaf func (f *Fs) CreateDir(ctx context.Context, dirID, leaf string) (newID string, err error) { // fs.Debugf(f, "CreateDir(%q, %q)\n", dirID, leaf) var resp *http.Response var info *api.Item opts := f.newOptsCall(dirID, "POST", "/children") mkdir := api.CreateItemRequest{ Name: f.opt.Enc.FromStandardName(leaf), ConflictBehavior: "fail", } err = f.pacer.Call(func() (bool, error) { resp, err = f.srv.CallJSON(ctx, &opts, &mkdir, &info) return shouldRetry(ctx, resp, err) }) if err != nil { //fmt.Printf("...Error %v\n", err) return "", err } //fmt.Printf("...Id %q\n", *info.Id) return info.GetID(), nil } // list the objects into the function supplied // // If directories is set it only sends directories // User function to process a File item from listAll // // Should return true to finish processing type listAllFn func(*api.Item) bool // Lists the directory required calling the user function on each item found // // If the user fn ever returns true then it early exits with found = true func (f *Fs) listAll(ctx context.Context, dirID string, directoriesOnly bool, filesOnly bool, fn listAllFn) (found bool, err error) { // Top parameter asks for bigger pages of data // https://dev.onedrive.com/odata/optional-query-parameters.htm opts := f.newOptsCall(dirID, "GET", fmt.Sprintf("/children?$top=%d", f.opt.ListChunk)) OUTER: for { var result api.ListChildrenResponse var resp *http.Response err = f.pacer.Call(func() (bool, error) { resp, err = f.srv.CallJSON(ctx, &opts, nil, &result) return shouldRetry(ctx, resp, err) }) if err != nil { return found, fmt.Errorf("couldn't list files: %w", err) } if len(result.Value) == 0 { break } for i := range result.Value { item := &result.Value[i] isFolder := item.GetFolder() != nil if isFolder { if filesOnly { continue } } else { if directoriesOnly { continue } } if item.Deleted != nil { continue } item.Name = f.opt.Enc.ToStandardName(item.GetName()) if fn(item) { found = true break OUTER } } if result.NextLink == "" { break } opts.Path = "" opts.RootURL = result.NextLink } return } // 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) { directoryID, err := f.dirCache.FindDir(ctx, dir, false) if err != nil { return nil, err } var iErr error _, err = f.listAll(ctx, directoryID, false, false, func(info *api.Item) bool { if !f.opt.ExposeOneNoteFiles && info.GetPackageType() == api.PackageTypeOneNote { fs.Debugf(info.Name, "OneNote file not shown in directory listing") return false } remote := path.Join(dir, info.GetName()) folder := info.GetFolder() if folder != nil { // cache the directory ID for later lookups id := info.GetID() f.dirCache.Put(remote, id) d := fs.NewDir(remote, time.Time(info.GetLastModifiedDateTime())).SetID(id) d.SetItems(folder.ChildCount) entries = append(entries, d) } else { o, err := f.newObjectWithInfo(ctx, remote, info) if err != nil { iErr = err return true } entries = append(entries, o) } return false }) if err != nil { return nil, err } if iErr != nil { return nil, iErr } return entries, 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 } // Temporary Object under construction o = &Object{ fs: f, remote: remote, } return o, leaf, directoryID, nil } // Put the object into the container // // 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) o, _, _, err := f.createObject(ctx, remote, modTime, size) if err != nil { return nil, err } return o, o.Update(ctx, in, src, options...) } // Mkdir creates the container if it doesn't exist func (f *Fs) Mkdir(ctx context.Context, dir string) error { _, err := f.dirCache.FindDir(ctx, dir, true) return err } // deleteObject removes an object by ID func (f *Fs) deleteObject(ctx context.Context, id string) error { opts := f.newOptsCall(id, "DELETE", "") opts.NoResponse = true return f.pacer.Call(func() (bool, error) { resp, err := f.srv.Call(ctx, &opts) return shouldRetry(ctx, resp, 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) error { root := path.Join(f.root, dir) if root == "" { return errors.New("can't purge root directory") } dc := f.dirCache rootID, err := dc.FindDir(ctx, dir, false) if err != nil { return err } if check { // check to see if there are any items found, err := f.listAll(ctx, rootID, false, false, func(item *api.Item) bool { return true }) if err != nil { return err } if found { return fs.ErrorDirectoryNotEmpty } } err = f.deleteObject(ctx, rootID) if err != nil { return err } f.dirCache.FlushDir(dir) 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 } // waitForJob waits for the job with status in url to complete func (f *Fs) waitForJob(ctx context.Context, location string, o *Object) error { deadline := time.Now().Add(f.ci.TimeoutOrInfinite()) for time.Now().Before(deadline) { var resp *http.Response var err error var body []byte err = f.pacer.Call(func() (bool, error) { resp, err = http.Get(location) if err != nil { return fserrors.ShouldRetry(err), err } body, err = rest.ReadBody(resp) return fserrors.ShouldRetry(err), err }) if err != nil { return err } // Try to decode the body first as an api.AsyncOperationStatus var status api.AsyncOperationStatus err = json.Unmarshal(body, &status) if err != nil { return fmt.Errorf("async status result not JSON: %q: %w", body, err) } switch status.Status { case "failed": if strings.HasPrefix(status.ErrorCode, "AccessDenied_") { return errAsyncJobAccessDenied } fallthrough case "deleteFailed": return fmt.Errorf("%s: async operation returned %q", o.remote, status.Status) case "completed": err = o.readMetaData(ctx) if err != nil { return fmt.Errorf("async operation completed but readMetaData failed: %w", err) } return nil } time.Sleep(1 * time.Second) } return fmt.Errorf("async operation didn't complete after %v", f.ci.TimeoutOrInfinite()) } // 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.ErrorCantCopy } if f.driveType != srcObj.fs.driveType { fs.Debugf(src, "Can't server-side copy - drive types differ") return nil, fs.ErrorCantCopy } // For OneDrive Business, this is only supported within the same drive if f.driveType != driveTypePersonal && srcObj.fs.driveID != f.driveID { fs.Debugf(src, "Can't server-side copy - cross-drive but not OneDrive Personal") return nil, fs.ErrorCantCopy } err := srcObj.readMetaData(ctx) if err != nil { return nil, err } // Check we aren't overwriting a file on the same remote if srcObj.fs == f { srcPath := srcObj.rootPath() dstPath := f.rootPath(remote) if strings.EqualFold(srcPath, dstPath) { return nil, fmt.Errorf("can't copy %q -> %q as are same name when lowercase", srcPath, dstPath) } } // Create temporary object dstObj, leaf, directoryID, err := f.createObject(ctx, remote, srcObj.modTime, srcObj.size) if err != nil { return nil, err } // Copy the object // The query param is a workaround for OneDrive Business for #4590 opts := f.newOptsCall(srcObj.id, "POST", "/copy?@microsoft.graph.conflictBehavior=replace") opts.ExtraHeaders = map[string]string{"Prefer": "respond-async"} opts.NoResponse = true id, dstDriveID, _ := f.parseNormalizedID(directoryID) replacedLeaf := f.opt.Enc.FromStandardName(leaf) copyReq := api.CopyItemRequest{ Name: &replacedLeaf, ParentReference: api.ItemReference{ DriveID: dstDriveID, ID: id, }, } var resp *http.Response err = f.pacer.Call(func() (bool, error) { resp, err = f.srv.CallJSON(ctx, &opts, ©Req, nil) return shouldRetry(ctx, resp, err) }) if err != nil { return nil, err } // read location header location := resp.Header.Get("Location") if location == "" { return nil, errors.New("didn't receive location header in copy response") } // Wait for job to finish err = f.waitForJob(ctx, location, dstObj) if err == errAsyncJobAccessDenied { fs.Debugf(src, "Server-side copy failed - file not shared between drives") return nil, fs.ErrorCantCopy } if err != nil { return nil, err } // Copy does NOT copy the modTime from the source and there seems to // be no way to set date before // This will create TWO versions on OneDrive err = dstObj.SetModTime(ctx, srcObj.ModTime(ctx)) if err != nil { return nil, err } return dstObj, nil } // Purge deletes all the files in the directory // // 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, dir string) error { return f.purgeCheck(ctx, dir, false) } // 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 } // Create temporary object dstObj, leaf, directoryID, err := f.createObject(ctx, remote, srcObj.modTime, srcObj.size) if err != nil { return nil, err } id, dstDriveID, _ := f.parseNormalizedID(directoryID) _, srcObjDriveID, _ := f.parseNormalizedID(srcObj.id) if f.canonicalDriveID(dstDriveID) != srcObj.fs.canonicalDriveID(srcObjDriveID) { // https://docs.microsoft.com/en-us/graph/api/driveitem-move?view=graph-rest-1.0 // "Items cannot be moved between Drives using this request." fs.Debugf(f, "Can't move files between drives (%q != %q)", dstDriveID, srcObjDriveID) return nil, fs.ErrorCantMove } // Move the object opts := f.newOptsCall(srcObj.id, "PATCH", "") move := api.MoveItemRequest{ Name: f.opt.Enc.FromStandardName(leaf), ParentReference: &api.ItemReference{ DriveID: dstDriveID, ID: id, }, // We set the mod time too as it gets reset otherwise FileSystemInfo: &api.FileSystemInfoFacet{ CreatedDateTime: api.Timestamp(srcObj.modTime), LastModifiedDateTime: api.Timestamp(srcObj.modTime), }, } var resp *http.Response var info api.Item err = f.pacer.Call(func() (bool, error) { resp, err = f.srv.CallJSON(ctx, &opts, &move, &info) return shouldRetry(ctx, resp, err) }) if err != nil { return nil, err } err = dstObj.setMetaData(&info) if err != nil { return nil, err } return dstObj, nil } // 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 } srcID, _, _, dstDirectoryID, dstLeaf, err := f.dirCache.DirMove(ctx, srcFs.dirCache, srcFs.root, srcRemote, f.root, dstRemote) if err != nil { return err } parsedDstDirID, dstDriveID, _ := f.parseNormalizedID(dstDirectoryID) _, srcDriveID, _ := f.parseNormalizedID(srcID) if f.canonicalDriveID(dstDriveID) != srcFs.canonicalDriveID(srcDriveID) { // https://docs.microsoft.com/en-us/graph/api/driveitem-move?view=graph-rest-1.0 // "Items cannot be moved between Drives using this request." fs.Debugf(f, "Can't move directories between drives (%q != %q)", dstDriveID, srcDriveID) return fs.ErrorCantDirMove } // Get timestamps of src so they can be preserved srcInfo, _, err := srcFs.readMetaDataForPathRelativeToID(ctx, srcID, "") if err != nil { return err } // Do the move opts := f.newOptsCall(srcID, "PATCH", "") move := api.MoveItemRequest{ Name: f.opt.Enc.FromStandardName(dstLeaf), ParentReference: &api.ItemReference{ DriveID: dstDriveID, ID: parsedDstDirID, }, // We set the mod time too as it gets reset otherwise FileSystemInfo: &api.FileSystemInfoFacet{ CreatedDateTime: srcInfo.CreatedDateTime, LastModifiedDateTime: srcInfo.LastModifiedDateTime, }, } var resp *http.Response var info api.Item err = f.pacer.Call(func() (bool, error) { resp, err = f.srv.CallJSON(ctx, &opts, &move, &info) return shouldRetry(ctx, resp, err) }) if err != nil { return err } srcFs.dirCache.FlushDir(srcRemote) return nil } // DirCacheFlush resets the directory cache - used in testing as an // optional interface func (f *Fs) DirCacheFlush() { f.dirCache.ResetRoot() } // About gets quota information func (f *Fs) About(ctx context.Context) (usage *fs.Usage, err error) { var drive api.Drive opts := rest.Opts{ Method: "GET", Path: "", } var resp *http.Response err = f.pacer.Call(func() (bool, error) { resp, err = f.srv.CallJSON(ctx, &opts, nil, &drive) return shouldRetry(ctx, resp, err) }) if err != nil { return nil, err } q := drive.Quota // On (some?) Onedrive sharepoints these are all 0 so return unknown in that case if q.Total == 0 && q.Used == 0 && q.Deleted == 0 && q.Remaining == 0 { return &fs.Usage{}, nil } usage = &fs.Usage{ Total: fs.NewUsageValue(q.Total), // quota of bytes that can be used Used: fs.NewUsageValue(q.Used), // bytes in use Trashed: fs.NewUsageValue(q.Deleted), // bytes in trash Free: fs.NewUsageValue(q.Remaining), // bytes which can be uploaded before reaching the quota } return usage, nil } // Hashes returns the supported hash sets. func (f *Fs) Hashes() hash.Set { if f.driveType == driveTypePersonal { return hash.Set(hash.SHA1) } return hash.Set(QuickXorHashType) } // PublicLink returns a link for downloading without account. func (f *Fs) PublicLink(ctx context.Context, remote string, expire fs.Duration, unlink bool) (link string, err error) { info, _, err := f.readMetaDataForPath(ctx, f.rootPath(remote)) if err != nil { return "", err } opts := f.newOptsCall(info.GetID(), "POST", "/createLink") share := api.CreateShareLinkRequest{ Type: f.opt.LinkType, Scope: f.opt.LinkScope, Password: f.opt.LinkPassword, } if expire < fs.DurationOff { expiry := time.Now().Add(time.Duration(expire)) share.Expiry = &expiry } var resp *http.Response var result api.CreateShareLinkResponse err = f.pacer.Call(func() (bool, error) { resp, err = f.srv.CallJSON(ctx, &opts, &share, &result) return shouldRetry(ctx, resp, err) }) if err != nil { if resp != nil && resp.StatusCode == 400 && f.driveType != driveTypePersonal { return "", fmt.Errorf("%v (is making public links permitted by the org admin?)", err) } return "", err } shareURL := result.Link.WebURL // Convert share link to direct download link if target is not a folder // Not attempting to do the conversion for regional versions, just to be safe if f.opt.Region != regionGlobal { return shareURL, nil } if info.Folder != nil { fs.Debugf(nil, "Can't convert share link for folder to direct link - returning the link as is") return shareURL, nil } cnvFailMsg := "Don't know how to convert share link to direct link - returning the link as is" directURL := "" segments := strings.Split(shareURL, "/") switch f.driveType { case driveTypePersonal: // Method: https://stackoverflow.com/questions/37951114/direct-download-link-to-onedrive-file if len(segments) != 5 { fs.Logf(f, cnvFailMsg) return shareURL, nil } enc := base64.StdEncoding.EncodeToString([]byte(shareURL)) enc = strings.ReplaceAll(enc, "/", "_") enc = strings.ReplaceAll(enc, "+", "-") enc = strings.ReplaceAll(enc, "=", "") directURL = fmt.Sprintf("https://api.onedrive.com/v1.0/shares/u!%s/root/content", enc) case driveTypeBusiness: // Method: https://docs.microsoft.com/en-us/sharepoint/dev/spfx/shorter-share-link-format // Example: // https://{tenant}-my.sharepoint.com/:t:/g/personal/{user_email}/{Opaque_String} // --convert to-> // https://{tenant}-my.sharepoint.com/personal/{user_email}/_layouts/15/download.aspx?share={Opaque_String} if len(segments) != 8 { fs.Logf(f, cnvFailMsg) return shareURL, nil } directURL = fmt.Sprintf("https://%s/%s/%s/_layouts/15/download.aspx?share=%s", segments[2], segments[5], segments[6], segments[7]) case driveTypeSharepoint: // Method: Similar to driveTypeBusiness // Example: // https://{tenant}.sharepoint.com/:t:/s/{site_name}/{Opaque_String} // --convert to-> // https://{tenant}.sharepoint.com/sites/{site_name}/_layouts/15/download.aspx?share={Opaque_String} // // https://{tenant}.sharepoint.com/:t:/t/{team_name}/{Opaque_String} // --convert to-> // https://{tenant}.sharepoint.com/teams/{team_name}/_layouts/15/download.aspx?share={Opaque_String} // // https://{tenant}.sharepoint.com/:t:/g/{Opaque_String} // --convert to-> // https://{tenant}.sharepoint.com/_layouts/15/download.aspx?share={Opaque_String} if len(segments) < 6 || len(segments) > 7 { fs.Logf(f, cnvFailMsg) return shareURL, nil } pathPrefix := "" switch segments[4] { case "s": // Site pathPrefix = "/sites/" + segments[5] case "t": // Team pathPrefix = "/teams/" + segments[5] case "g": // Root site default: fs.Logf(f, cnvFailMsg) return shareURL, nil } directURL = fmt.Sprintf("https://%s%s/_layouts/15/download.aspx?share=%s", segments[2], pathPrefix, segments[len(segments)-1]) } return directURL, nil } // CleanUp deletes all the hidden files. func (f *Fs) CleanUp(ctx context.Context) error { token := make(chan struct{}, f.ci.Checkers) var wg sync.WaitGroup err := walk.Walk(ctx, f, "", true, -1, func(path string, entries fs.DirEntries, err error) error { err = entries.ForObjectError(func(obj fs.Object) error { o, ok := obj.(*Object) if !ok { return errors.New("internal error: not a onedrive object") } wg.Add(1) token <- struct{}{} go func() { defer func() { <-token wg.Done() }() err := o.deleteVersions(ctx) if err != nil { fs.Errorf(o, "Failed to remove versions: %v", err) } }() return nil }) wg.Wait() return err }) return err } // Finds and removes any old versions for o func (o *Object) deleteVersions(ctx context.Context) error { opts := o.fs.newOptsCall(o.id, "GET", "/versions") var versions api.VersionsResponse err := o.fs.pacer.Call(func() (bool, error) { resp, err := o.fs.srv.CallJSON(ctx, &opts, nil, &versions) return shouldRetry(ctx, resp, err) }) if err != nil { return err } if len(versions.Versions) < 2 { return nil } for _, version := range versions.Versions[1:] { err = o.deleteVersion(ctx, version.ID) if err != nil { return err } } return nil } // Finds and removes any old versions for o func (o *Object) deleteVersion(ctx context.Context, ID string) error { if operations.SkipDestructive(ctx, fmt.Sprintf("%s of %s", ID, o.remote), "delete version") { return nil } fs.Infof(o, "removing version %q", ID) opts := o.fs.newOptsCall(o.id, "DELETE", "/versions/"+ID) opts.NoResponse = true return o.fs.pacer.Call(func() (bool, error) { resp, err := o.fs.srv.Call(ctx, &opts) return shouldRetry(ctx, resp, err) }) } // ------------------------------------------------------------ // 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 "" } return o.remote } // Remote returns the remote path func (o *Object) Remote() string { return o.remote } // rootPath returns a path for use in server given a remote func (f *Fs) rootPath(remote string) string { return f.rootSlash() + remote } // rootPath returns a path for use in local functions func (o *Object) rootPath() string { return o.fs.rootPath(o.remote) } // Hash returns the SHA-1 of an object returning a lowercase hex string func (o *Object) Hash(ctx context.Context, t hash.Type) (string, error) { if o.fs.driveType == driveTypePersonal { if t == hash.SHA1 { return o.sha1, nil } } else { if t == QuickXorHashType { return o.quickxorhash, nil } } return "", hash.ErrUnsupported } // Size returns the size of an object in bytes func (o *Object) Size() int64 { err := o.readMetaData(context.TODO()) if err != nil { fs.Logf(o, "Failed to read metadata: %v", err) return 0 } return o.size } // setMetaData sets the metadata from info func (o *Object) setMetaData(info *api.Item) (err error) { if info.GetFolder() != nil { return fs.ErrorIsDir } o.hasMetaData = true o.size = info.GetSize() o.isOneNoteFile = info.GetPackageType() == api.PackageTypeOneNote // Docs: https://docs.microsoft.com/en-us/onedrive/developer/rest-api/resources/hashes // // We use SHA1 for onedrive personal and QuickXorHash for onedrive for business file := info.GetFile() if file != nil { o.mimeType = file.MimeType if file.Hashes.Sha1Hash != "" { o.sha1 = strings.ToLower(file.Hashes.Sha1Hash) } if file.Hashes.QuickXorHash != "" { h, err := base64.StdEncoding.DecodeString(file.Hashes.QuickXorHash) if err != nil { fs.Errorf(o, "Failed to decode QuickXorHash %q: %v", file.Hashes.QuickXorHash, err) } else { o.quickxorhash = hex.EncodeToString(h) } } } fileSystemInfo := info.GetFileSystemInfo() if fileSystemInfo != nil { o.modTime = time.Time(fileSystemInfo.LastModifiedDateTime) } else { o.modTime = time.Time(info.GetLastModifiedDateTime()) } o.id = info.GetID() return nil } // readMetaData gets the metadata if it hasn't already been fetched // // it also sets the info func (o *Object) readMetaData(ctx context.Context) (err error) { if o.hasMetaData { return nil } info, _, err := o.fs.readMetaDataForPath(ctx, o.rootPath()) if err != nil { if apiErr, ok := err.(*api.Error); ok { if apiErr.ErrorInfo.Code == "itemNotFound" { return fs.ErrorObjectNotFound } } return err } 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) 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) (*api.Item, error) { opts := o.fs.newOptsCallWithPath(ctx, o.remote, "PATCH", "") update := api.SetFileSystemInfo{ FileSystemInfo: api.FileSystemInfoFacet{ CreatedDateTime: api.Timestamp(modTime), LastModifiedDateTime: api.Timestamp(modTime), }, } var info *api.Item err := o.fs.pacer.Call(func() (bool, error) { resp, err := o.fs.srv.CallJSON(ctx, &opts, &update, &info) return shouldRetry(ctx, resp, err) }) // Remove versions if required if o.fs.opt.NoVersions { err := o.deleteVersions(ctx) if err != nil { fs.Errorf(o, "Failed to remove versions: %v", err) } } return info, err } // SetModTime sets the modification time of the local fs object func (o *Object) SetModTime(ctx context.Context, modTime time.Time) error { info, err := o.setModTime(ctx, modTime) if err != nil { return err } return o.setMetaData(info) } // 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) { if o.id == "" { return nil, errors.New("can't download - no id") } if o.isOneNoteFile { return nil, errors.New("can't open a OneNote file") } fs.FixRangeOption(options, o.size) var resp *http.Response opts := o.fs.newOptsCall(o.id, "GET", "/content") opts.Options = options err = o.fs.pacer.Call(func() (bool, error) { resp, err = o.fs.srv.Call(ctx, &opts) return shouldRetry(ctx, resp, err) }) if err != nil { return nil, err } if resp.StatusCode == http.StatusOK && resp.ContentLength > 0 && resp.Header.Get("Content-Range") == "" { //Overwrite size with actual size since size readings from Onedrive is unreliable. o.size = resp.ContentLength } return resp.Body, err } // createUploadSession creates an upload session for the object func (o *Object) createUploadSession(ctx context.Context, modTime time.Time) (response *api.CreateUploadResponse, err error) { opts := o.fs.newOptsCallWithPath(ctx, o.remote, "POST", "/createUploadSession") createRequest := api.CreateUploadRequest{} createRequest.Item.FileSystemInfo.CreatedDateTime = api.Timestamp(modTime) createRequest.Item.FileSystemInfo.LastModifiedDateTime = api.Timestamp(modTime) var resp *http.Response err = o.fs.pacer.Call(func() (bool, error) { resp, err = o.fs.srv.CallJSON(ctx, &opts, &createRequest, &response) if apiErr, ok := err.(*api.Error); ok { if apiErr.ErrorInfo.Code == "nameAlreadyExists" { // Make the error more user-friendly err = errors.New(err.Error() + " (is it a OneNote file?)") } } return shouldRetry(ctx, resp, err) }) return response, err } // getPosition gets the current position in a multipart upload func (o *Object) getPosition(ctx context.Context, url string) (pos int64, err error) { opts := rest.Opts{ Method: "GET", RootURL: url, } var info api.UploadFragmentResponse var resp *http.Response err = o.fs.pacer.Call(func() (bool, error) { resp, err = o.fs.srv.CallJSON(ctx, &opts, nil, &info) return shouldRetry(ctx, resp, err) }) if err != nil { return 0, err } if len(info.NextExpectedRanges) != 1 { return 0, fmt.Errorf("bad number of ranges in upload position: %v", info.NextExpectedRanges) } position := info.NextExpectedRanges[0] i := strings.IndexByte(position, '-') if i < 0 { return 0, fmt.Errorf("no '-' in next expected range: %q", position) } position = position[:i] pos, err = strconv.ParseInt(position, 10, 64) if err != nil { return 0, fmt.Errorf("bad expected range: %q: %w", position, err) } return pos, nil } // uploadFragment uploads a part func (o *Object) uploadFragment(ctx context.Context, url string, start int64, totalSize int64, chunk io.ReadSeeker, chunkSize int64, options ...fs.OpenOption) (info *api.Item, err error) { // var response api.UploadFragmentResponse var resp *http.Response var body []byte var skip = int64(0) err = o.fs.pacer.Call(func() (bool, error) { toSend := chunkSize - skip opts := rest.Opts{ Method: "PUT", RootURL: url, ContentLength: &toSend, ContentRange: fmt.Sprintf("bytes %d-%d/%d", start+skip, start+chunkSize-1, totalSize), Body: chunk, Options: options, } _, _ = chunk.Seek(skip, io.SeekStart) resp, err = o.fs.srv.Call(ctx, &opts) if err != nil && resp != nil && resp.StatusCode == http.StatusRequestedRangeNotSatisfiable { fs.Debugf(o, "Received 416 error - reading current position from server: %v", err) pos, posErr := o.getPosition(ctx, url) if posErr != nil { fs.Debugf(o, "Failed to read position: %v", posErr) return false, posErr } skip = pos - start fs.Debugf(o, "Read position %d, chunk is %d..%d, bytes to skip = %d", pos, start, start+chunkSize, skip) switch { case skip < 0: return false, fmt.Errorf("sent block already (skip %d < 0), can't rewind: %w", skip, err) case skip > chunkSize: return false, fmt.Errorf("position is in the future (skip %d > chunkSize %d), can't skip forward: %w", skip, chunkSize, err) case skip == chunkSize: fs.Debugf(o, "Skipping chunk as already sent (skip %d == chunkSize %d)", skip, chunkSize) return false, nil } return true, fmt.Errorf("retry this chunk skipping %d bytes: %w", skip, err) } if err != nil { return shouldRetry(ctx, resp, err) } body, err = rest.ReadBody(resp) if err != nil { return shouldRetry(ctx, resp, err) } if resp.StatusCode == 200 || resp.StatusCode == 201 { // we are done :) // read the item info = &api.Item{} return false, json.Unmarshal(body, info) } return false, nil }) return info, err } // cancelUploadSession cancels an upload session func (o *Object) cancelUploadSession(ctx context.Context, url string) (err error) { opts := rest.Opts{ Method: "DELETE", RootURL: url, NoResponse: true, } var resp *http.Response err = o.fs.pacer.Call(func() (bool, error) { resp, err = o.fs.srv.Call(ctx, &opts) return shouldRetry(ctx, resp, err) }) return } // uploadMultipart uploads a file using multipart upload func (o *Object) uploadMultipart(ctx context.Context, in io.Reader, size int64, modTime time.Time, options ...fs.OpenOption) (info *api.Item, err error) { if size <= 0 { return nil, errors.New("unknown-sized upload not supported") } // Create upload session fs.Debugf(o, "Starting multipart upload") session, err := o.createUploadSession(ctx, modTime) if err != nil { return nil, err } uploadURL := session.UploadURL // Cancel the session if something went wrong defer atexit.OnError(&err, func() { fs.Debugf(o, "Cancelling multipart upload: %v", err) cancelErr := o.cancelUploadSession(ctx, uploadURL) if cancelErr != nil { fs.Logf(o, "Failed to cancel multipart upload: %v (upload failed due to: %v)", cancelErr, err) } })() // Upload the chunks remaining := size position := int64(0) for remaining > 0 { n := int64(o.fs.opt.ChunkSize) if remaining < n { n = remaining } seg := readers.NewRepeatableReader(io.LimitReader(in, n)) fs.Debugf(o, "Uploading segment %d/%d size %d", position, size, n) info, err = o.uploadFragment(ctx, uploadURL, position, size, seg, n, options...) if err != nil { return nil, err } remaining -= n position += n } return info, nil } // Update the content of a remote file within 4 MiB size in one single request // This function will set modtime after uploading, which will create a new version for the remote file func (o *Object) uploadSinglepart(ctx context.Context, in io.Reader, size int64, modTime time.Time, options ...fs.OpenOption) (info *api.Item, err error) { if size < 0 || size > int64(fs.SizeSuffix(4*1024*1024)) { return nil, errors.New("size passed into uploadSinglepart must be >= 0 and <= 4 MiB") } fs.Debugf(o, "Starting singlepart upload") var resp *http.Response opts := o.fs.newOptsCallWithPath(ctx, o.remote, "PUT", "/content") opts.ContentLength = &size opts.Body = in opts.Options = options err = o.fs.pacer.Call(func() (bool, error) { resp, err = o.fs.srv.CallJSON(ctx, &opts, nil, &info) if apiErr, ok := err.(*api.Error); ok { if apiErr.ErrorInfo.Code == "nameAlreadyExists" { // Make the error more user-friendly err = errors.New(err.Error() + " (is it a OneNote file?)") } } return shouldRetry(ctx, resp, err) }) if err != nil { return nil, err } err = o.setMetaData(info) if err != nil { return nil, err } // Set the mod time now and read metadata return o.setModTime(ctx, modTime) } // 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) (err error) { if o.hasMetaData && o.isOneNoteFile { return errors.New("can't upload content to a OneNote file") } o.fs.tokenRenewer.Start() defer o.fs.tokenRenewer.Stop() size := src.Size() modTime := src.ModTime(ctx) var info *api.Item if size > 0 { info, err = o.uploadMultipart(ctx, in, size, modTime, options...) } else if size == 0 { info, err = o.uploadSinglepart(ctx, in, size, modTime, options...) } else { return errors.New("unknown-sized upload not supported") } if err != nil { return err } // If updating the file then remove versions if o.fs.opt.NoVersions && o.hasMetaData { err = o.deleteVersions(ctx) if err != nil { fs.Errorf(o, "Failed to remove versions: %v", err) } } return o.setMetaData(info) } // Remove an object func (o *Object) Remove(ctx context.Context) error { return o.fs.deleteObject(ctx, o.id) } // MimeType of an Object if known, "" otherwise func (o *Object) MimeType(ctx context.Context) string { return o.mimeType } // ID returns the ID of the Object if known, or "" if not func (o *Object) ID() string { return o.id } /* * URL Build routine area start * 1. In this area, region-related URL rewrites are applied. As the API is blackbox, * we cannot thoroughly test this part. Please be extremely careful while changing them. * 2. If possible, please don't introduce region related code in other region, but patch these helper functions. * 3. To avoid region-related issues, please don't manually build rest.Opts from scratch. * Instead, use these helper function, and customize the URL afterwards if needed. * * currently, the Vnet Group's API differs in the following places: * - https://{Endpoint}/drives/{driveID}/items/{leaf}:/{route} * - this API doesn't work (gives invalid request) * - can be replaced with the following API: * - https://{Endpoint}/drives/{driveID}/items/children('{leaf}')/{route} * - however, this API does NOT support multi-level leaf like a/b/c * - https://{Endpoint}/drives/{driveID}/items/children('@a1')/{route}?@a1=URLEncode("'{leaf}'") * - this API does support multi-level leaf like a/b/c * - https://{Endpoint}/drives/{driveID}/root/children('@a1')/{route}?@a1=URLEncode({path}) * - Same as above */ // parseNormalizedID parses a normalized ID (may be in the form `driveID#itemID` or just `itemID`) // and returns itemID, driveID, rootURL. // Such a normalized ID can come from (*Item).GetID() func (f *Fs) parseNormalizedID(ID string) (string, string, string) { rootURL := graphAPIEndpoint[f.opt.Region] + "/v1.0/drives" if strings.Contains(ID, "#") { s := strings.Split(ID, "#") return s[1], s[0], rootURL } return ID, "", "" } // newOptsCall build the rest.Opts structure with *a normalizedID(driveID#fileID, or simply fileID)* // using url template https://{Endpoint}/drives/{driveID}/items/{itemID}/{route} func (f *Fs) newOptsCall(normalizedID string, method string, route string) (opts rest.Opts) { id, drive, rootURL := f.parseNormalizedID(normalizedID) if drive != "" { return rest.Opts{ Method: method, RootURL: rootURL, Path: "/" + drive + "/items/" + id + route, } } return rest.Opts{ Method: method, Path: "/items/" + id + route, } } func escapeSingleQuote(str string) string { return strings.ReplaceAll(str, "'", "''") } // newOptsCallWithIDPath build the rest.Opts structure with *a normalizedID (driveID#fileID, or simply fileID) and leaf* // using url template https://{Endpoint}/drives/{driveID}/items/{leaf}:/{route} (for international OneDrive) // or https://{Endpoint}/drives/{driveID}/items/children('{leaf}')/{route} // and https://{Endpoint}/drives/{driveID}/items/children('@a1')/{route}?@a1=URLEncode("'{leaf}'") (for Vnet Group) // if isPath is false, this function will only work when the leaf is "" or a child name (i.e. it doesn't accept multi-level leaf) // if isPath is true, multi-level leaf like a/b/c can be passed func (f *Fs) newOptsCallWithIDPath(normalizedID string, leaf string, isPath bool, method string, route string) (opts rest.Opts, ok bool) { encoder := f.opt.Enc.FromStandardName if isPath { encoder = f.opt.Enc.FromStandardPath } trueDirID, drive, rootURL := f.parseNormalizedID(normalizedID) if drive == "" { trueDirID = normalizedID } entity := "/items/" + trueDirID + ":/" + withTrailingColon(rest.URLPathEscape(encoder(leaf))) + route if f.opt.Region == regionCN { if isPath { entity = "/items/" + trueDirID + "/children('@a1')" + route + "?@a1=" + url.QueryEscape("'"+encoder(escapeSingleQuote(leaf))+"'") } else { entity = "/items/" + trueDirID + "/children('" + rest.URLPathEscape(encoder(escapeSingleQuote(leaf))) + "')" + route } } if drive == "" { ok = false opts = rest.Opts{ Method: method, Path: entity, } return } ok = true opts = rest.Opts{ Method: method, RootURL: rootURL, Path: "/" + drive + entity, } return } // newOptsCallWithIDPath build the rest.Opts structure with an *absolute path start from root* // using url template https://{Endpoint}/drives/{driveID}/root:/{path}:/{route} // or https://{Endpoint}/drives/{driveID}/root/children('@a1')/{route}?@a1=URLEncode({path}) func (f *Fs) newOptsCallWithRootPath(path string, method string, route string) (opts rest.Opts) { path = strings.TrimSuffix(path, "/") newURL := "/root:/" + withTrailingColon(rest.URLPathEscape(f.opt.Enc.FromStandardPath(path))) + route if f.opt.Region == regionCN { newURL = "/root/children('@a1')" + route + "?@a1=" + url.QueryEscape("'"+escapeSingleQuote(f.opt.Enc.FromStandardPath(path))+"'") } return rest.Opts{ Method: method, Path: newURL, } } // newOptsCallWithPath build the rest.Opt intelligently. // It will first try to resolve the path using dircache, which enables support for "Share with me" files. // If present in cache, then use ID + Path variant, else fallback into RootPath variant func (f *Fs) newOptsCallWithPath(ctx context.Context, path string, method string, route string) (opts rest.Opts) { if path == "" { url := "/root" + route return rest.Opts{ Method: method, Path: url, } } // find dircache leaf, directoryID, _ := f.dirCache.FindPath(ctx, path, false) // try to use IDPath variant first if opts, ok := f.newOptsCallWithIDPath(directoryID, leaf, false, method, route); ok { return opts } // fallback to use RootPath variant first return f.newOptsCallWithRootPath(path, method, route) } /* * URL Build routine area end */ // Returns the canonical form of the driveID func (f *Fs) canonicalDriveID(driveID string) (canonicalDriveID string) { if driveID == "" { canonicalDriveID = f.opt.DriveID } else { canonicalDriveID = driveID } canonicalDriveID = strings.ToLower(canonicalDriveID) return canonicalDriveID } // 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. // // The Onedrive implementation gives the whole hierarchy up to the top when // an object is changed. For instance, if a/b/c is changed, this function // will call notifyFunc with a, a/b and a/b/c. func (f *Fs) ChangeNotify(ctx context.Context, notifyFunc func(string, fs.EntryType), pollIntervalChan <-chan time.Duration) { go func() { // get the StartPageToken early so all changes from now on get processed nextDeltaToken, err := f.changeNotifyStartPageToken(ctx) if err != nil { fs.Errorf(f, "Could not get first deltaLink: %s", err) return } fs.Debugf(f, "Next delta token is: %s", nextDeltaToken) var ticker *time.Ticker var tickerC <-chan time.Time for { select { case pollInterval, ok := <-pollIntervalChan: if !ok { if ticker != nil { ticker.Stop() } return } if ticker != nil { ticker.Stop() ticker, tickerC = nil, nil } if pollInterval != 0 { ticker = time.NewTicker(pollInterval) tickerC = ticker.C } case <-tickerC: fs.Debugf(f, "Checking for changes on remote") nextDeltaToken, err = f.changeNotifyRunner(ctx, notifyFunc, nextDeltaToken) if err != nil { fs.Infof(f, "Change notify listener failure: %s", err) } } } }() } func (f *Fs) changeNotifyStartPageToken(ctx context.Context) (nextDeltaToken string, err error) { delta, err := f.changeNotifyNextChange(ctx, "latest") if err != nil { return } parsedURL, err := url.Parse(delta.DeltaLink) if err != nil { return } nextDeltaToken = parsedURL.Query().Get("token") return } func (f *Fs) changeNotifyNextChange(ctx context.Context, token string) (delta deltaResponse, err error) { opts := f.buildDriveDeltaOpts(token) _, err = f.srv.CallJSON(ctx, &opts, nil, &delta) return } func (f *Fs) buildDriveDeltaOpts(token string) rest.Opts { rootURL := graphAPIEndpoint[f.opt.Region] + "/v1.0/drives" return rest.Opts{ Method: "GET", RootURL: rootURL, Path: "/" + f.driveID + "/root/delta", Parameters: map[string][]string{"token": {token}}, } } func (f *Fs) changeNotifyRunner(ctx context.Context, notifyFunc func(string, fs.EntryType), deltaToken string) (nextDeltaToken string, err error) { delta, err := f.changeNotifyNextChange(ctx, deltaToken) if err != nil { return } parsedURL, err := url.Parse(delta.DeltaLink) if err != nil { return } nextDeltaToken = parsedURL.Query().Get("token") for _, item := range delta.Value { isDriveRootFolder := item.GetParentReference().ID == "" if isDriveRootFolder { continue } fullPath, err := getItemFullPath(&item) if err != nil { fs.Errorf(f, "Could not get item full path: %s", err) continue } if fullPath == f.root { continue } relName, insideRoot := getRelativePathInsideBase(f.root, fullPath) if !insideRoot { continue } if item.GetFile() != nil { notifyFunc(relName, fs.EntryObject) } else if item.GetFolder() != nil { notifyFunc(relName, fs.EntryDirectory) } } return } func getItemFullPath(item *api.Item) (fullPath string, err error) { err = nil fullPath = item.GetName() if parent := item.GetParentReference(); parent != nil && parent.Path != "" { pathParts := strings.SplitN(parent.Path, ":", 2) if len(pathParts) != 2 { err = fmt.Errorf("invalid parent path: %s", parent.Path) return } if pathParts[1] != "" { fullPath = strings.TrimPrefix(pathParts[1], "/") + "/" + fullPath } } return } // getRelativePathInsideBase checks if `target` is inside `base`. If so, it // returns a relative path for `target` based on `base` and a boolean `true`. // Otherwise returns "", false. func getRelativePathInsideBase(base, target string) (string, bool) { if base == "" { return target, true } baseSlash := base + "/" if strings.HasPrefix(target+"/", baseSlash) { return target[len(baseSlash):], true } return "", false } // Adds a ":" at the end of `remotePath` in a proper manner. // If `remotePath` already ends with "/", change it to ":/" // If `remotePath` is "", return "". // A workaround for #2720 and #3039 func withTrailingColon(remotePath string) string { if remotePath == "" { return "" } if strings.HasSuffix(remotePath, "/") { return remotePath[:len(remotePath)-1] + ":/" } return remotePath + ":" } // 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.Abouter = (*Fs)(nil) _ fs.PublicLinker = (*Fs)(nil) _ fs.CleanUpper = (*Fs)(nil) _ fs.Object = (*Object)(nil) _ fs.MimeTyper = &Object{} _ fs.IDer = &Object{} )