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Add support for OneDrive for Business

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The new storage prefix for OneDrive for Business is odb://

The token file can be downloaded from https://duplicacy.com/odb_start

OneDrive for Business requires basically the same set of API calls with
different endpoints.  However, one major difference is that for files larger
than 4MB, an upload session must be created first which is then used to upload
the file content.  Other than that, there are a few minor differences such as
creating an existing directory, or moving files to a non-existent directory.
This commit is contained in:
Gilbert Chen
2020-03-19 14:59:26 -04:00
parent 808ae4eb75
commit d26ffe2cff
5 changed files with 141 additions and 27 deletions
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145
src/duplicacy_oneclient.go
View File

@@ -15,6 +15,7 @@ import (
"strings"
"sync"
"time"
"path/filepath"
"golang.org/x/oauth2"
)
@@ -32,9 +33,6 @@ type OneDriveErrorResponse struct {
Error OneDriveError `json:"error"`
}
var OneDriveRefreshTokenURL = "https://duplicacy.com/one_refresh"
var OneDriveAPIURL = "https://api.onedrive.com/v1.0"
type OneDriveClient struct {
HTTPClient *http.Client
@@ -44,9 +42,13 @@ type OneDriveClient struct {
IsConnected bool
TestMode bool
IsBusiness bool
RefreshTokenURL string
APIURL string
}
func NewOneDriveClient(tokenFile string) (*OneDriveClient, error) {
func NewOneDriveClient(tokenFile string, isBusiness bool) (*OneDriveClient, error) {
description, err := ioutil.ReadFile(tokenFile)
if err != nil {
@@ -63,6 +65,15 @@ func NewOneDriveClient(tokenFile string) (*OneDriveClient, error) {
TokenFile: tokenFile,
Token: token,
TokenLock: &sync.Mutex{},
IsBusiness: isBusiness,
}
if isBusiness {
client.RefreshTokenURL = "https://duplicacy.com/odb_refresh"
client.APIURL = "https://graph.microsoft.com/v1.0/me"
} else {
client.RefreshTokenURL = "https://duplicacy.com/one_refresh"
client.APIURL = "https://api.onedrive.com/v1.0"
}
client.RefreshToken(false)
@@ -106,9 +117,10 @@ func (client *OneDriveClient) call(url string, method string, input interface{},
if reader, ok := inputReader.(*RateLimitedReader); ok {
request.ContentLength = reader.Length()
request.Header.Set("Content-Range", fmt.Sprintf("bytes 0-%d/%d", reader.Length() - 1, reader.Length()))
}
if url != OneDriveRefreshTokenURL {
if url != client.RefreshTokenURL {
client.TokenLock.Lock()
request.Header.Set("Authorization", "Bearer "+client.Token.AccessToken)
client.TokenLock.Unlock()
@@ -152,7 +164,7 @@ func (client *OneDriveClient) call(url string, method string, input interface{},
if response.StatusCode == 401 {
if url == OneDriveRefreshTokenURL {
if url == client.RefreshTokenURL {
return nil, 0, OneDriveError{Status: response.StatusCode, Message: "Authorization error when refreshing token"}
}
@@ -161,6 +173,8 @@ func (client *OneDriveClient) call(url string, method string, input interface{},
return nil, 0, err
}
continue
} else if response.StatusCode == 409 {
return nil, 0, OneDriveError{Status: response.StatusCode, Message: "Conflict"}
} else if response.StatusCode > 401 && response.StatusCode != 404 {
retryAfter := time.Duration(rand.Float32() * 1000.0 * float32(backoff))
LOG_INFO("ONEDRIVE_RETRY", "Response code: %d; retry after %d milliseconds", response.StatusCode, retryAfter)
@@ -188,7 +202,7 @@ func (client *OneDriveClient) RefreshToken(force bool) (err error) {
return nil
}
readCloser, _, err := client.call(OneDriveRefreshTokenURL, "POST", client.Token, "")
readCloser, _, err := client.call(client.RefreshTokenURL, "POST", client.Token, "")
if err != nil {
return fmt.Errorf("failed to refresh the access token: %v", err)
}
@@ -228,9 +242,9 @@ func (client *OneDriveClient) ListEntries(path string) ([]OneDriveEntry, error)
entries := []OneDriveEntry{}
url := OneDriveAPIURL + "/drive/root:/" + path + ":/children"
url := client.APIURL + "/drive/root:/" + path + ":/children"
if path == "" {
url = OneDriveAPIURL + "/drive/root/children"
url = client.APIURL + "/drive/root/children"
}
if client.TestMode {
url += "?top=8"
@@ -266,7 +280,7 @@ func (client *OneDriveClient) ListEntries(path string) ([]OneDriveEntry, error)
func (client *OneDriveClient) GetFileInfo(path string) (string, bool, int64, error) {
url := OneDriveAPIURL + "/drive/root:/" + path
url := client.APIURL + "/drive/root:/" + path
url += "?select=id,name,size,folder"
readCloser, _, err := client.call(url, "GET", 0, "")
@@ -291,28 +305,95 @@ func (client *OneDriveClient) GetFileInfo(path string) (string, bool, int64, err
func (client *OneDriveClient) DownloadFile(path string) (io.ReadCloser, int64, error) {
url := OneDriveAPIURL + "/drive/items/root:/" + path + ":/content"
url := client.APIURL + "/drive/items/root:/" + path + ":/content"
return client.call(url, "GET", 0, "")
}
func (client *OneDriveClient) UploadFile(path string, content []byte, rateLimit int) (err error) {
url := OneDriveAPIURL + "/drive/root:/" + path + ":/content"
// Upload file using the simple method; this is only possible for OneDrive Personal or if the file
// is smaller than 4MB for OneDrive Business
if !client.IsBusiness || len(content) < 4 * 1024 * 1024 || (client.TestMode && rand.Int() % 2 == 0) {
url := client.APIURL + "/drive/root:/" + path + ":/content"
readCloser, _, err := client.call(url, "PUT", CreateRateLimitedReader(content, rateLimit), "application/octet-stream")
readCloser, _, err := client.call(url, "PUT", CreateRateLimitedReader(content, rateLimit), "application/octet-stream")
if err != nil {
return err
}
readCloser.Close()
return nil
}
// For large files, create an upload session first
uploadURL, err := client.CreateUploadSession(path)
if err != nil {
return err
}
return client.UploadFileSession(uploadURL, content, rateLimit)
}
func (client *OneDriveClient) CreateUploadSession(path string) (uploadURL string, err error) {
type CreateUploadSessionItem struct {
ConflictBehavior string `json:"@microsoft.graph.conflictBehavior"`
Name string `json:"name"`
}
input := map[string]interface{} {
"item": CreateUploadSessionItem {
ConflictBehavior: "replace",
Name: filepath.Base(path),
},
}
readCloser, _, err := client.call(client.APIURL + "/drive/root:/" + path + ":/createUploadSession", "POST", input, "application/json")
if err != nil {
return "", err
}
type CreateUploadSessionOutput struct {
UploadURL string `json:"uploadUrl"`
}
output := &CreateUploadSessionOutput{}
if err = json.NewDecoder(readCloser).Decode(&output); err != nil {
return "", err
}
readCloser.Close()
return output.UploadURL, nil
}
func (client *OneDriveClient) UploadFileSession(uploadURL string, content []byte, rateLimit int) (err error) {
readCloser, _, err := client.call(uploadURL, "PUT", CreateRateLimitedReader(content, rateLimit), "")
if err != nil {
return err
}
type UploadFileSessionOutput struct {
Size int `json:"size"`
}
output := &UploadFileSessionOutput{}
if err = json.NewDecoder(readCloser).Decode(&output); err != nil {
return fmt.Errorf("Failed to complete the file upload session: %v", err)
}
if output.Size != len(content) {
return fmt.Errorf("Uploaded %d bytes out of %d bytes", output.Size, len(content))
}
readCloser.Close()
return nil
}
func (client *OneDriveClient) DeleteFile(path string) error {
url := OneDriveAPIURL + "/drive/root:/" + path
url := client.APIURL + "/drive/root:/" + path
readCloser, _, err := client.call(url, "DELETE", 0, "")
if err != nil {
@@ -325,7 +406,7 @@ func (client *OneDriveClient) DeleteFile(path string) error {
func (client *OneDriveClient) MoveFile(path string, parent string) error {
url := OneDriveAPIURL + "/drive/root:/" + path
url := client.APIURL + "/drive/root:/" + path
parentReference := make(map[string]string)
parentReference["path"] = "/drive/root:/" + parent
@@ -335,6 +416,20 @@ func (client *OneDriveClient) MoveFile(path string, parent string) error {
readCloser, _, err := client.call(url, "PATCH", parameters, "application/json")
if err != nil {
if e, ok := err.(OneDriveError); ok && e.Status == 400 {
// The destination directory doesn't exist; trying to create it...
dir := filepath.Dir(parent)
if dir == "." {
dir = ""
}
client.CreateDirectory(dir, filepath.Base(parent))
readCloser, _, err = client.call(url, "PATCH", parameters, "application/json")
if err != nil {
return nil
}
}
return err
}
@@ -344,24 +439,29 @@ func (client *OneDriveClient) MoveFile(path string, parent string) error {
func (client *OneDriveClient) CreateDirectory(path string, name string) error {
url := OneDriveAPIURL + "/root/children"
url := client.APIURL + "/root/children"
if path != "" {
parentID, isDir, _, err := client.GetFileInfo(path)
pathID, isDir, _, err := client.GetFileInfo(path)
if err != nil {
return err
}
if parentID == "" {
return fmt.Errorf("The path '%s' does not exist", path)
if pathID == "" {
dir := filepath.Dir(path)
if dir != "." {
// The parent directory doesn't exist; trying to create it...
client.CreateDirectory(dir, filepath.Base(path))
isDir = true
}
}
if !isDir {
return fmt.Errorf("The path '%s' is not a directory", path)
}
url = OneDriveAPIURL + "/drive/items/" + parentID + "/children"
url = client.APIURL + "/drive/root:/" + path + ":/children"
}
parameters := make(map[string]interface{})
@@ -370,6 +470,11 @@ func (client *OneDriveClient) CreateDirectory(path string, name string) error {
readCloser, _, err := client.call(url, "POST", parameters, "application/json")
if err != nil {
if e, ok := err.(OneDriveError); ok && e.Status == 409 {
// This error usually means the directory already exists
LOG_TRACE("ONEDRIVE_MKDIR", "The directory '%s/%s' already exists", path, name)
return nil
}
return err
}