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onedrive: fix "unauthenticated: Unauthenticated" errors when downloading

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Before this change we would pass the Authorization header on to the
download server. This is allowed according to the docs, but on some
onedrive servers this sometimes causes an error with the text
"unauthenticated: Unauthenticated".

This is a similar fix to

dedad9f071 onedrive: fix "unauthenticated: Unauthenticated" errors when uploading

See: https://forum.rclone.org/t/cryptcheck-on-encrypted-onedrive-personal-failed-with-unauthenticated-error/44581/
This commit is contained in:
Nick Craig-Wood 2024-03-04 15:24:15 +00:00
parent 48262849df
commit aee8d909b3
1 changed files with 28 additions and 0 deletions
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28
backend/onedrive/onedrive.go
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@ -2254,9 +2254,23 @@ func (o *Object) Open(ctx context.Context, options ...fs.OpenOption) (in io.Read
if o.fs.opt.AVOverride {
opts.Parameters = url.Values{"AVOverride": {"1"}}
}
// Make a note of the redirect target as we need to call it without Auth
var redirectReq *http.Request
opts.CheckRedirect = func(req *http.Request, via []*http.Request) error {
if len(via) >= 10 {
return errors.New("stopped after 10 redirects")
}
req.Header.Del("Authorization") // remove Auth header
redirectReq = req
return http.ErrUseLastResponse
}
err = o.fs.pacer.Call(func() (bool, error) {
resp, err = o.fs.srv.Call(ctx, &opts)
if redirectReq != nil {
// It is a redirect which we are expecting
err = nil
}
return shouldRetry(ctx, resp, err)
})
if err != nil {
@ -2267,6 +2281,20 @@ func (o *Object) Open(ctx context.Context, options ...fs.OpenOption) (in io.Read
}
return nil, err
}
if redirectReq != nil {
err = o.fs.pacer.Call(func() (bool, error) {
resp, err = o.fs.unAuth.Do(redirectReq)
return shouldRetry(ctx, resp, err)
})
if err != nil {
if resp != nil {
if virus := resp.Header.Get("X-Virus-Infected"); virus != "" {
err = fmt.Errorf("server reports this file is infected with a virus - use --onedrive-av-override to download anyway: %s: %w", virus, err)
}
}
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.