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webdav: refresh token when it expires with --webdav-bearer-token-command

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Fixes #2380
This commit is contained in:
Nick Craig-Wood 2018-09-19 15:55:43 +01:00
parent c642531a1e
commit 1f1ab179a6
1 changed files with 20 additions and 11 deletions
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31
backend/webdav/webdav.go
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@ -164,7 +164,16 @@ var retryErrorCodes = []int{
// shouldRetry returns a boolean as to whether this resp and err
// deserve to be retried. It returns the err as a convenience
func shouldRetry(resp *http.Response, err error) (bool, error) {
func (f *Fs) shouldRetry(resp *http.Response, err error) (bool, error) {
// If we have a bearer token command and it has expired then refresh it
if f.opt.BearerTokenCommand != "" && resp != nil && resp.StatusCode == 401 {
fs.Debugf(f, "Bearer token expired: %v", err)
authErr := f.fetchAndSetBearerToken()
if authErr != nil {
err = authErr
}
return true, err
}
return fserrors.ShouldRetry(err) || fserrors.ShouldRetryHTTP(resp, retryErrorCodes), err
}
@ -213,7 +222,7 @@ func (f *Fs) readMetaDataForPath(path string, depth string) (info *api.Prop, err
var resp *http.Response
err = f.pacer.Call(func() (bool, error) {
resp, err = f.srv.CallXML(&opts, nil, &result)
return shouldRetry(resp, err)
return f.shouldRetry(resp, err)
})
if apiErr, ok := err.(*api.Error); ok {
// does not exist
@ -534,7 +543,7 @@ func (f *Fs) listAll(dir string, directoriesOnly bool, filesOnly bool, depth str
var resp *http.Response
err = f.pacer.Call(func() (bool, error) {
resp, err = f.srv.CallXML(&opts, nil, &result)
return shouldRetry(resp, err)
return f.shouldRetry(resp, err)
})
if err != nil {
if apiErr, ok := err.(*api.Error); ok {
@ -703,7 +712,7 @@ func (f *Fs) _mkdir(dirPath string) error {
}
err := f.pacer.Call(func() (bool, error) {
resp, err := f.srv.Call(&opts)
return shouldRetry(resp, err)
return f.shouldRetry(resp, err)
})
if apiErr, ok := err.(*api.Error); ok {
// already exists
@ -767,7 +776,7 @@ func (f *Fs) purgeCheck(dir string, check bool) error {
var err error
err = f.pacer.Call(func() (bool, error) {
resp, err = f.srv.CallXML(&opts, nil, nil)
return shouldRetry(resp, err)
return f.shouldRetry(resp, err)
})
if err != nil {
return errors.Wrap(err, "rmdir failed")
@ -830,7 +839,7 @@ func (f *Fs) copyOrMove(ctx context.Context, src fs.Object, remote string, metho
}
err = f.pacer.Call(func() (bool, error) {
resp, err = f.srv.Call(&opts)
return shouldRetry(resp, err)
return f.shouldRetry(resp, err)
})
if err != nil {
return nil, errors.Wrap(err, "Copy call failed")
@ -926,7 +935,7 @@ func (f *Fs) DirMove(ctx context.Context, src fs.Fs, srcRemote, dstRemote string
}
err = f.pacer.Call(func() (bool, error) {
resp, err = f.srv.Call(&opts)
return shouldRetry(resp, err)
return f.shouldRetry(resp, err)
})
if err != nil {
return errors.Wrap(err, "DirMove MOVE call failed")
@ -967,7 +976,7 @@ func (f *Fs) About(ctx context.Context) (*fs.Usage, error) {
var err error
err = f.pacer.Call(func() (bool, error) {
resp, err = f.srv.CallXML(&opts, nil, &q)
return shouldRetry(resp, err)
return f.shouldRetry(resp, err)
})
if err != nil {
return nil, errors.Wrap(err, "about call failed")
@ -1087,7 +1096,7 @@ func (o *Object) Open(ctx context.Context, options ...fs.OpenOption) (in io.Read
}
err = o.fs.pacer.Call(func() (bool, error) {
resp, err = o.fs.srv.Call(&opts)
return shouldRetry(resp, err)
return o.fs.shouldRetry(resp, err)
})
if err != nil {
return nil, err
@ -1135,7 +1144,7 @@ func (o *Object) Update(ctx context.Context, in io.Reader, src fs.ObjectInfo, op
}
err = o.fs.pacer.CallNoRetry(func() (bool, error) {
resp, err = o.fs.srv.Call(&opts)
return shouldRetry(resp, err)
return o.fs.shouldRetry(resp, err)
})
if err != nil {
// Give the WebDAV server a chance to get its internal state in order after the
@ -1162,7 +1171,7 @@ func (o *Object) Remove(ctx context.Context) error {
}
return o.fs.pacer.Call(func() (bool, error) {
resp, err := o.fs.srv.Call(&opts)
return shouldRetry(resp, err)
return o.fs.shouldRetry(resp, err)
})
}