rclone/backend/fichier/api.go
2024-09-06 18:20:10 +01:00

588 lines
14 KiB
Go

package fichier
import (
"context"
"errors"
"fmt"
"io"
"net/http"
"net/url"
"regexp"
"strconv"
"strings"
"time"
"github.com/rclone/rclone/fs"
"github.com/rclone/rclone/fs/fserrors"
"github.com/rclone/rclone/lib/rest"
)
// retryErrorCodes is a slice of error codes that we will retry
var retryErrorCodes = []int{
429, // Too Many Requests.
403, // Forbidden (may happen when request limit is exceeded)
500, // Internal Server Error
502, // Bad Gateway
503, // Service Unavailable
504, // Gateway Timeout
509, // Bandwidth Limit Exceeded
}
var errorRegex = regexp.MustCompile(`#(\d{1,3})`)
func parseFichierError(err error) int {
matches := errorRegex.FindStringSubmatch(err.Error())
if len(matches) == 0 {
return 0
}
code, err := strconv.Atoi(matches[1])
if err != nil {
fs.Debugf(nil, "failed parsing fichier error: %v", err)
return 0
}
return code
}
// 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
}
// 1Fichier uses HTTP error code 403 (Forbidden) for all kinds of errors with
// responses looking like this: "{\"message\":\"Flood detected: IP Locked #374\",\"status\":\"KO\"}"
//
// We attempt to parse the actual 1Fichier error code from this body and handle it accordingly
// Most importantly #374 (Flood detected: IP locked) which the integration tests provoke
// The list below is far from complete and should be expanded if we see any more error codes.
if err != nil {
switch parseFichierError(err) {
case 93:
return false, err // No such user
case 186:
return false, err // IP blocked?
case 374, 412: // Flood detected seems to be #412 now
fs.Debugf(nil, "Sleeping for 30 seconds due to: %v", err)
time.Sleep(30 * time.Second)
default:
}
}
return fserrors.ShouldRetry(err) || fserrors.ShouldRetryHTTP(resp, retryErrorCodes), err
}
var isAlphaNumeric = regexp.MustCompile(`^[a-zA-Z0-9]+$`).MatchString
func (f *Fs) createObject(ctx context.Context, remote string) (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
}
// Temporary Object under construction
o = &Object{
fs: f,
remote: remote,
}
return o, leaf, directoryID, nil
}
func (f *Fs) readFileInfo(ctx context.Context, url string) (*File, error) {
request := FileInfoRequest{
URL: url,
}
opts := rest.Opts{
Method: "POST",
Path: "/file/info.cgi",
}
var file File
err := f.pacer.Call(func() (bool, error) {
resp, err := f.rest.CallJSON(ctx, &opts, &request, &file)
return shouldRetry(ctx, resp, err)
})
if err != nil {
return nil, fmt.Errorf("couldn't read file info: %w", err)
}
return &file, err
}
// maybe do some actual validation later if necessary
func validToken(token *GetTokenResponse) bool {
return token.Status == "OK"
}
func (f *Fs) getDownloadToken(ctx context.Context, url string) (*GetTokenResponse, error) {
request := DownloadRequest{
URL: url,
Single: 1,
Pass: f.opt.FilePassword,
}
if f.opt.CDN {
request.CDN = 1
}
opts := rest.Opts{
Method: "POST",
Path: "/download/get_token.cgi",
}
var token GetTokenResponse
err := f.pacer.Call(func() (bool, error) {
resp, err := f.rest.CallJSON(ctx, &opts, &request, &token)
doretry, err := shouldRetry(ctx, resp, err)
return doretry || !validToken(&token), err
})
if err != nil {
return nil, fmt.Errorf("couldn't list files: %w", err)
}
return &token, nil
}
func fileFromSharedFile(file *SharedFile) File {
return File{
URL: file.Link,
Filename: file.Filename,
Size: file.Size,
}
}
func (f *Fs) listSharedFiles(ctx context.Context, id string) (entries fs.DirEntries, err error) {
opts := rest.Opts{
Method: "GET",
RootURL: "https://1fichier.com/dir/",
Path: id,
Parameters: map[string][]string{"json": {"1"}},
ContentType: "application/x-www-form-urlencoded",
}
if f.opt.FolderPassword != "" {
opts.Method = "POST"
opts.Parameters = nil
opts.Body = strings.NewReader("json=1&pass=" + url.QueryEscape(f.opt.FolderPassword))
}
var sharedFiles SharedFolderResponse
err = f.pacer.Call(func() (bool, error) {
resp, err := f.rest.CallJSON(ctx, &opts, nil, &sharedFiles)
return shouldRetry(ctx, resp, err)
})
if err != nil {
return nil, fmt.Errorf("couldn't list files: %w", err)
}
entries = make([]fs.DirEntry, len(sharedFiles))
for i, sharedFile := range sharedFiles {
entries[i] = f.newObjectFromFile(ctx, "", fileFromSharedFile(&sharedFile))
}
return entries, nil
}
func (f *Fs) listFiles(ctx context.Context, directoryID int) (filesList *FilesList, err error) {
// fs.Debugf(f, "Requesting files for dir `%s`", directoryID)
request := ListFilesRequest{
FolderID: directoryID,
}
opts := rest.Opts{
Method: "POST",
Path: "/file/ls.cgi",
}
filesList = &FilesList{}
err = f.pacer.Call(func() (bool, error) {
resp, err := f.rest.CallJSON(ctx, &opts, &request, filesList)
return shouldRetry(ctx, resp, err)
})
if err != nil {
return nil, fmt.Errorf("couldn't list files: %w", err)
}
for i := range filesList.Items {
item := &filesList.Items[i]
item.Filename = f.opt.Enc.ToStandardName(item.Filename)
}
return filesList, nil
}
func (f *Fs) listFolders(ctx context.Context, directoryID int) (foldersList *FoldersList, err error) {
// fs.Debugf(f, "Requesting folders for id `%s`", directoryID)
request := ListFolderRequest{
FolderID: directoryID,
}
opts := rest.Opts{
Method: "POST",
Path: "/folder/ls.cgi",
}
foldersList = &FoldersList{}
err = f.pacer.Call(func() (bool, error) {
resp, err := f.rest.CallJSON(ctx, &opts, &request, foldersList)
return shouldRetry(ctx, resp, err)
})
if err != nil {
return nil, fmt.Errorf("couldn't list folders: %w", err)
}
foldersList.Name = f.opt.Enc.ToStandardName(foldersList.Name)
for i := range foldersList.SubFolders {
folder := &foldersList.SubFolders[i]
folder.Name = f.opt.Enc.ToStandardName(folder.Name)
}
// fs.Debugf(f, "Got FoldersList for id `%s`", directoryID)
return foldersList, err
}
func (f *Fs) listDir(ctx context.Context, dir string) (entries fs.DirEntries, err error) {
directoryID, err := f.dirCache.FindDir(ctx, dir, false)
if err != nil {
return nil, err
}
folderID, err := strconv.Atoi(directoryID)
if err != nil {
return nil, err
}
files, err := f.listFiles(ctx, folderID)
if err != nil {
return nil, err
}
folders, err := f.listFolders(ctx, folderID)
if err != nil {
return nil, err
}
entries = make([]fs.DirEntry, len(files.Items)+len(folders.SubFolders))
for i, item := range files.Items {
entries[i] = f.newObjectFromFile(ctx, dir, item)
}
for i, folder := range folders.SubFolders {
createDate, err := time.Parse("2006-01-02 15:04:05", folder.CreateDate)
if err != nil {
return nil, err
}
fullPath := getRemote(dir, folder.Name)
folderID := strconv.Itoa(folder.ID)
entries[len(files.Items)+i] = fs.NewDir(fullPath, createDate).SetID(folderID)
// fs.Debugf(f, "Put Path `%s` for id `%d` into dircache", fullPath, folder.ID)
f.dirCache.Put(fullPath, folderID)
}
return entries, nil
}
func (f *Fs) newObjectFromFile(ctx context.Context, dir string, item File) *Object {
return &Object{
fs: f,
remote: getRemote(dir, item.Filename),
file: item,
}
}
func getRemote(dir, fileName string) string {
if dir == "" {
return fileName
}
return dir + "/" + fileName
}
func (f *Fs) makeFolder(ctx context.Context, leaf string, folderID int) (response *MakeFolderResponse, err error) {
name := f.opt.Enc.FromStandardName(leaf)
// fs.Debugf(f, "Creating folder `%s` in id `%s`", name, directoryID)
request := MakeFolderRequest{
FolderID: folderID,
Name: name,
}
opts := rest.Opts{
Method: "POST",
Path: "/folder/mkdir.cgi",
}
response = &MakeFolderResponse{}
err = f.pacer.Call(func() (bool, error) {
resp, err := f.rest.CallJSON(ctx, &opts, &request, response)
return shouldRetry(ctx, resp, err)
})
if err != nil {
return nil, fmt.Errorf("couldn't create folder: %w", err)
}
// fs.Debugf(f, "Created Folder `%s` in id `%s`", name, directoryID)
return response, err
}
func (f *Fs) removeFolder(ctx context.Context, name string, folderID int) (response *GenericOKResponse, err error) {
// fs.Debugf(f, "Removing folder with id `%s`", directoryID)
request := &RemoveFolderRequest{
FolderID: folderID,
}
opts := rest.Opts{
Method: "POST",
Path: "/folder/rm.cgi",
}
response = &GenericOKResponse{}
var resp *http.Response
err = f.pacer.Call(func() (bool, error) {
resp, err = f.rest.CallJSON(ctx, &opts, request, response)
return shouldRetry(ctx, resp, err)
})
if err != nil {
return nil, fmt.Errorf("couldn't remove folder: %w", err)
}
if response.Status != "OK" {
return nil, fmt.Errorf("can't remove folder: %s", response.Message)
}
// fs.Debugf(f, "Removed Folder with id `%s`", directoryID)
return response, nil
}
func (f *Fs) deleteFile(ctx context.Context, url string) (response *GenericOKResponse, err error) {
request := &RemoveFileRequest{
Files: []RmFile{
{url},
},
}
opts := rest.Opts{
Method: "POST",
Path: "/file/rm.cgi",
}
response = &GenericOKResponse{}
err = f.pacer.Call(func() (bool, error) {
resp, err := f.rest.CallJSON(ctx, &opts, request, response)
return shouldRetry(ctx, resp, err)
})
if err != nil {
return nil, fmt.Errorf("couldn't remove file: %w", err)
}
// fs.Debugf(f, "Removed file with url `%s`", url)
return response, nil
}
func (f *Fs) moveFile(ctx context.Context, url string, folderID int, rename string) (response *MoveFileResponse, err error) {
request := &MoveFileRequest{
URLs: []string{url},
FolderID: folderID,
Rename: rename,
}
opts := rest.Opts{
Method: "POST",
Path: "/file/mv.cgi",
}
response = &MoveFileResponse{}
err = f.pacer.Call(func() (bool, error) {
resp, err := f.rest.CallJSON(ctx, &opts, request, response)
return shouldRetry(ctx, resp, err)
})
if err != nil {
return nil, fmt.Errorf("couldn't copy file: %w", err)
}
return response, nil
}
func (f *Fs) moveDir(ctx context.Context, folderID int, newLeaf string, destinationFolderID int) (response *MoveDirResponse, err error) {
request := &MoveDirRequest{
FolderID: folderID,
DestinationFolderID: destinationFolderID,
Rename: newLeaf,
// DestinationUser: destinationUser,
}
opts := rest.Opts{
Method: "POST",
Path: "/folder/mv.cgi",
}
response = &MoveDirResponse{}
err = f.pacer.Call(func() (bool, error) {
resp, err := f.rest.CallJSON(ctx, &opts, request, response)
return shouldRetry(ctx, resp, err)
})
if err != nil {
return nil, fmt.Errorf("couldn't move dir: %w", err)
}
return response, nil
}
func (f *Fs) copyFile(ctx context.Context, url string, folderID int, rename string) (response *CopyFileResponse, err error) {
request := &CopyFileRequest{
URLs: []string{url},
FolderID: folderID,
Rename: rename,
}
opts := rest.Opts{
Method: "POST",
Path: "/file/cp.cgi",
}
response = &CopyFileResponse{}
err = f.pacer.Call(func() (bool, error) {
resp, err := f.rest.CallJSON(ctx, &opts, request, response)
return shouldRetry(ctx, resp, err)
})
if err != nil {
return nil, fmt.Errorf("couldn't copy file: %w", err)
}
return response, nil
}
func (f *Fs) renameFile(ctx context.Context, url string, newName string) (response *RenameFileResponse, err error) {
request := &RenameFileRequest{
URLs: []RenameFileURL{
{
URL: url,
Filename: newName,
},
},
}
opts := rest.Opts{
Method: "POST",
Path: "/file/rename.cgi",
}
response = &RenameFileResponse{}
err = f.pacer.Call(func() (bool, error) {
resp, err := f.rest.CallJSON(ctx, &opts, request, response)
return shouldRetry(ctx, resp, err)
})
if err != nil {
return nil, fmt.Errorf("couldn't rename file: %w", err)
}
return response, nil
}
func (f *Fs) getUploadNode(ctx context.Context) (response *GetUploadNodeResponse, err error) {
// fs.Debugf(f, "Requesting Upload node")
opts := rest.Opts{
Method: "GET",
ContentType: "application/json", // 1Fichier API is bad
Path: "/upload/get_upload_server.cgi",
}
response = &GetUploadNodeResponse{}
err = f.pacer.Call(func() (bool, error) {
resp, err := f.rest.CallJSON(ctx, &opts, nil, response)
return shouldRetry(ctx, resp, err)
})
if err != nil {
return nil, fmt.Errorf("didn't get an upload node: %w", err)
}
// fs.Debugf(f, "Got Upload node")
return response, err
}
func (f *Fs) uploadFile(ctx context.Context, in io.Reader, size int64, fileName, folderID, uploadID, node string, options ...fs.OpenOption) (response *http.Response, err error) {
// fs.Debugf(f, "Uploading File `%s`", fileName)
fileName = f.opt.Enc.FromStandardName(fileName)
if len(uploadID) > 10 || !isAlphaNumeric(uploadID) {
return nil, errors.New("invalid UploadID")
}
opts := rest.Opts{
Method: "POST",
Path: "/upload.cgi",
Parameters: map[string][]string{
"id": {uploadID},
},
NoResponse: true,
Body: in,
ContentLength: &size,
Options: options,
MultipartContentName: "file[]",
MultipartFileName: fileName,
MultipartParams: map[string][]string{
"did": {folderID},
},
}
if node != "" {
opts.RootURL = "https://" + node
}
err = f.pacer.CallNoRetry(func() (bool, error) {
resp, err := f.rest.CallJSON(ctx, &opts, nil, nil)
return shouldRetry(ctx, resp, err)
})
if err != nil {
return nil, fmt.Errorf("couldn't upload file: %w", err)
}
// fs.Debugf(f, "Uploaded File `%s`", fileName)
return response, err
}
func (f *Fs) endUpload(ctx context.Context, uploadID string, nodeurl string) (response *EndFileUploadResponse, err error) {
// fs.Debugf(f, "Ending File Upload `%s`", uploadID)
if len(uploadID) > 10 || !isAlphaNumeric(uploadID) {
return nil, errors.New("invalid UploadID")
}
opts := rest.Opts{
Method: "GET",
Path: "/end.pl",
RootURL: "https://" + nodeurl,
Parameters: map[string][]string{
"xid": {uploadID},
},
ExtraHeaders: map[string]string{
"JSON": "1",
},
}
response = &EndFileUploadResponse{}
err = f.pacer.Call(func() (bool, error) {
resp, err := f.rest.CallJSON(ctx, &opts, nil, response)
return shouldRetry(ctx, resp, err)
})
if err != nil {
return nil, fmt.Errorf("couldn't finish file upload: %w", err)
}
return response, err
}