readMetaDataForPath reads the metadata from the path
(ctx context.Context, path string)
| 342 | |
| 343 | // readMetaDataForPath reads the metadata from the path |
| 344 | func (f *Fs) readMetaDataForPath(ctx context.Context, path string) (info *api.Prop, err error) { |
| 345 | // FIXME how do we read back additional properties? |
| 346 | opts := rest.Opts{ |
| 347 | Method: "PROPFIND", |
| 348 | Path: f.filePath(path), |
| 349 | ExtraHeaders: map[string]string{ |
| 350 | "Depth": "0", |
| 351 | }, |
| 352 | CheckRedirect: rest.PreserveMethodRedirectFn, |
| 353 | } |
| 354 | if f.hasOCMD5 || f.hasOCSHA1 { |
| 355 | opts.Body = bytes.NewBuffer(owncloudProps) |
| 356 | } else if f.useStandardProps { |
| 357 | opts.Body = bytes.NewBuffer(standardProps) |
| 358 | } |
| 359 | // Note: According to WebDAV RFC 4918, empty PROPFIND body defaults to allprop |
| 360 | var result api.Multistatus |
| 361 | var resp *http.Response |
| 362 | err = f.pacer.Call(func() (bool, error) { |
| 363 | resp, err = f.srv.CallXML(ctx, &opts, nil, &result) |
| 364 | return f.shouldRetry(ctx, resp, err) |
| 365 | }) |
| 366 | if apiErr, ok := err.(*api.Error); ok { |
| 367 | // does not exist |
| 368 | switch apiErr.StatusCode { |
| 369 | case http.StatusNotFound: |
| 370 | return nil, fs.ErrorObjectNotFound |
| 371 | case http.StatusMovedPermanently, http.StatusFound, http.StatusSeeOther: |
| 372 | // Some sort of redirect - go doesn't deal with these properly (it resets |
| 373 | // the method to GET). However we can assume that if it was redirected the |
| 374 | // object was not found. |
| 375 | return nil, fs.ErrorObjectNotFound |
| 376 | } |
| 377 | } |
| 378 | if err != nil { |
| 379 | return nil, fmt.Errorf("read metadata failed: %w", err) |
| 380 | } |
| 381 | if len(result.Responses) < 1 { |
| 382 | return nil, fs.ErrorObjectNotFound |
| 383 | } |
| 384 | item := result.Responses[0] |
| 385 | // status code 425 is accepted here as well |
| 386 | if !(item.Props.StatusOK() || item.Props.Code() == 425) { |
| 387 | return nil, fs.ErrorObjectNotFound |
| 388 | } |
| 389 | if itemIsDir(&item) { |
| 390 | return nil, fs.ErrorIsDir |
| 391 | } |
| 392 | return &item.Props, nil |
| 393 | } |
| 394 | |
| 395 | // errorHandler parses a non 2xx error response into an error |
| 396 | func errorHandler(resp *http.Response) error { |