func (p ProvisionUI) ChooseDevice(ctx context.Context, arg keybase1.ChooseDeviceArg) (keybase1.DeviceID, error) {
p.parent.Output("\nThe device you are currently using needs to be provisioned.\n")
p.parent.Output("Which one of your existing devices would you like to use\n")
p.parent.Output("to provision this new device?\n\n")
for i, d := range arg.Devices {
var ft string
switch d.Type {
case libkb.DeviceTypePaper:
ft = "paper key"
case libkb.DeviceTypeDesktop:
ft = "computer"
case libkb.DeviceTypeMobile:
ft = "mobile"
}
p.parent.Printf("\t%d. [%s]\t%s\n", i+1, ft, d.Name)
}
p.parent.Printf("\t%d. I don't have access to any of these devices.\n", len(arg.Devices)+1)
p.parent.Output("\n")
ret, err := PromptSelectionOrCancel(PromptDescriptorChooseDevice, p.parent, "Choose a device", 1, len(arg.Devices)+1)
if err != nil {
if err == ErrInputCanceled {
return keybase1.DeviceID(""), libkb.InputCanceledError{}
}
return keybase1.DeviceID(""), err
}
if ret == len(arg.Devices)+1 {
// no access selection
return keybase1.DeviceID(""), nil
}
return arg.Devices[ret-1].DeviceID, nil
}
func genKeybase1DeviceID(t *testing.T) keybase1.DeviceID {
did := make([]byte, 16)
if _, err := rand.Read(did); err != nil {
t.Fatalf("rand failed: %v\n", err)
}
return keybase1.DeviceID(hex.EncodeToString(did))
}