zoho: switch to large file upload API for larger files, fix missing URL encoding of filenames for the upload API

backend/zoho/api/types.go

@@ -180,11 +180,38 @@ func (ui *UploadInfo) GetUploadFileInfo() (*UploadFileInfo, error) {
 	return &ufi, nil
 }
 
+// LargeUploadInfo is once again a slightly different version of UploadInfo
+// returned as part of an LargeUploadResponse by the large file upload API.
+type LargeUploadInfo struct {
+	Attributes struct {
+		ParentID    string `json:"parent_id"`
+		FileName    string `json:"file_name"`
+		RessourceID string `json:"resource_id"`
+		FileInfo    string `json:"file_info"`
+	} `json:"attributes"`
+}
+
+// GetUploadFileInfo decodes the embedded FileInfo
+func (ui *LargeUploadInfo) GetUploadFileInfo() (*UploadFileInfo, error) {
+	var ufi UploadFileInfo
+	err := json.Unmarshal([]byte(ui.Attributes.FileInfo), &ufi)
+	if err != nil {
+		return nil, fmt.Errorf("failed to decode FileInfo: %w", err)
+	}
+	return &ufi, nil
+}
+
 // UploadResponse is the response to a file Upload
 type UploadResponse struct {
 	Uploads []UploadInfo `json:"data"`
 }
 
+// LargeUploadResponse is the response returned by large file upload API.
+type LargeUploadResponse struct {
+	Uploads []LargeUploadInfo `json:"data"`
+	Status  string            `json:"status"`
+}
+
 // WriteMetadataRequest is used to write metadata for a
 // single item
 type WriteMetadataRequest struct {

backend/zoho/zoho.go

@@ -14,6 +14,7 @@ import (
 	"strings"
 	"time"
 
+	"github.com/google/uuid"
 	"github.com/rclone/rclone/lib/encoder"
 	"github.com/rclone/rclone/lib/pacer"
 	"github.com/rclone/rclone/lib/random"
@@ -63,6 +64,7 @@ var (
 	}
 	rootURL     = "https://workdrive.zoho.eu/api/v1"
 	downloadURL = "https://download.zoho.eu/v1/workdrive"
+	uploadURL   = "http://upload.zoho.eu/workdrive-api/v1/"
 	accountsURL = "https://accounts.zoho.eu"
 )
 
@@ -207,7 +209,8 @@ type Fs struct {
 	opt         Options            // parsed options
 	features    *fs.Features       // optional features
 	srv         *rest.Client       // the connection to the server
-	downloadsrv *rest.Client    // the connection to the Download server
+	downloadsrv *rest.Client       // the connection to the download server
+	uploadsrv   *rest.Client       // the connection to the upload server
 	dirCache    *dircache.DirCache // Map of directory path to directory id
 	pacer       *fs.Pacer          // pacer for API calls
 }
@@ -232,7 +235,8 @@ func setupRegion(m configmap.Mapper) error {
 		return errors.New("no region set")
 	}
 	rootURL = fmt.Sprintf("https://workdrive.zoho.%s/api/v1", region)
-	downloadURL = fmt.Sprintf("https://download.zoho.%s/v1/workdrive",region)
+	downloadURL = fmt.Sprintf("https://download.zoho.%s/v1/workdrive", region)
+	uploadURL = fmt.Sprintf("https://upload.zoho.%s/workdrive-api/v1", region)
 	accountsURL = fmt.Sprintf("https://accounts.zoho.%s", region)
 	oauthConfig.Endpoint.AuthURL = fmt.Sprintf("https://accounts.zoho.%s/oauth/v2/auth", region)
 	oauthConfig.Endpoint.TokenURL = fmt.Sprintf("https://accounts.zoho.%s/oauth/v2/token", region)
@@ -410,6 +414,7 @@ func NewFs(ctx context.Context, name, root string, m configmap.Mapper) (fs.Fs, e
 		opt:         *opt,
 		srv:         rest.NewClient(oAuthClient).SetRoot(rootURL),
 		downloadsrv: rest.NewClient(oAuthClient).SetRoot(downloadURL),
+		uploadsrv:   rest.NewClient(oAuthClient).SetRoot(uploadURL),
 		pacer:       fs.NewPacer(ctx, pacer.NewDefault(pacer.MinSleep(minSleep), pacer.MaxSleep(maxSleep), pacer.DecayConstant(decayConstant))),
 	}
 	f.features = (&fs.Features{
@@ -648,9 +653,61 @@ func (f *Fs) createObject(ctx context.Context, remote string, size int64, modTim
 	return
 }
 
+func (f *Fs) uploadLargeFile(ctx context.Context, name string, parent string, size int64, in io.Reader, options ...fs.OpenOption) (*api.Item, error) {
+	opts := rest.Opts{
+		Method:        "POST",
+		Path:          "/stream/upload",
+		Body:          in,
+		ContentLength: &size,
+		ContentType:   "application/octet-stream",
+		Options:       options,
+		ExtraHeaders: map[string]string{
+			"x-filename":          url.QueryEscape(name),
+			"x-parent_id":         parent,
+			"override-name-exist": "true",
+			"upload-id":           uuid.New().String(),
+			"x-streammode":        "1",
+		},
+	}
+
+	var err error
+	var resp *http.Response
+	var uploadResponse *api.LargeUploadResponse
+	err = f.pacer.CallNoRetry(func() (bool, error) {
+		resp, err = f.uploadsrv.CallJSON(ctx, &opts, nil, &uploadResponse)
+		return shouldRetry(ctx, resp, err)
+	})
+	if err != nil {
+		return nil, fmt.Errorf("upload large error: %v", err)
+	}
+	if len(uploadResponse.Uploads) != 1 {
+		return nil, errors.New("upload: invalid response")
+	}
+	upload := uploadResponse.Uploads[0]
+	uploadInfo, err := upload.GetUploadFileInfo()
+	if err != nil {
+		return nil, fmt.Errorf("upload error: %w", err)
+	}
+
+	// Fill in the api.Item from the api.UploadFileInfo
+	var info api.Item
+	info.ID = upload.Attributes.RessourceID
+	info.Attributes.Name = upload.Attributes.FileName
+	// info.Attributes.Type = not used
+	info.Attributes.IsFolder = false
+	// info.Attributes.CreatedTime = not used
+	info.Attributes.ModifiedTime = uploadInfo.GetModTime()
+	// info.Attributes.UploadedTime = 0 not used
+	info.Attributes.StorageInfo.Size = uploadInfo.Size
+	info.Attributes.StorageInfo.FileCount = 0
+	info.Attributes.StorageInfo.FolderCount = 0
+
+	return &info, nil
+}
+
 func (f *Fs) upload(ctx context.Context, name string, parent string, size int64, in io.Reader, options ...fs.OpenOption) (*api.Item, error) {
 	params := url.Values{}
-	params.Set("filename", name)
+	params.Set("filename", url.QueryEscape(name))
 	params.Set("parent_id", parent)
 	params.Set("override-name-exist", strconv.FormatBool(true))
 	formReader, contentType, overhead, err := rest.MultipartUpload(ctx, in, nil, "content", name)
@@ -710,6 +767,11 @@ func (f *Fs) upload(ctx context.Context, name string, parent string, size int64,
 //
 // 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) {
+	existingObj, err := f.NewObject(ctx, src.Remote())
+	switch err {
+	case nil:
+		return existingObj, existingObj.Update(ctx, in, src, options...)
+	case fs.ErrorObjectNotFound:
 		size := src.Size()
 		remote := src.Remote()
 
@@ -719,12 +781,26 @@ func (f *Fs) Put(ctx context.Context, in io.Reader, src fs.ObjectInfo, options .
 			return nil, err
 		}
 
-	// Upload the file
+		// use normal upload API for small sizes (<10MiB)
+		if size < 10*1024*1024 {
 			info, err := f.upload(ctx, f.opt.Enc.FromStandardName(leaf), directoryID, size, in, options...)
 			if err != nil {
 				return nil, err
 			}
+
 			return f.newObjectWithInfo(ctx, remote, info)
+		}
+
+		// large file API otherwise
+		info, err := f.uploadLargeFile(ctx, f.opt.Enc.FromStandardName(leaf), directoryID, size, in, options...)
+		if err != nil {
+			return nil, err
+		}
+
+		return f.newObjectWithInfo(ctx, remote, info)
+	default:
+		return nil, err
+	}
 }
 
 // Mkdir creates the container if it doesn't exist
@@ -1188,11 +1264,22 @@ func (o *Object) Update(ctx context.Context, in io.Reader, src fs.ObjectInfo, op
 		return err
 	}
 
-	// Overwrite the old file
+	// use normal upload API for small sizes (<10MiB)
+	if size < 10*1024*1024 {
 		info, err := o.fs.upload(ctx, o.fs.opt.Enc.FromStandardName(leaf), directoryID, size, in, options...)
 		if err != nil {
 			return err
 		}
+
+		return o.setMetaData(info)
+	}
+
+	// large file API otherwise
+	info, err := o.fs.uploadLargeFile(ctx, o.fs.opt.Enc.FromStandardName(leaf), directoryID, size, in, options...)
+	if err != nil {
+		return err
+	}
+
 	return o.setMetaData(info)
 }
 

backend/zoho/zoho_test.go

@@ -12,6 +12,7 @@ import (
 func TestIntegration(t *testing.T) {
 	fstests.Run(t, &fstests.Opt{
 		RemoteName:      "TestZoho:",
+		SkipInvalidUTF8: true,
 		NilObject:       (*zoho.Object)(nil),
 	})
 }