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use super::{Command, CommandError, RequestCtap2, StatusCode};
use crate::ctap2::commands::get_assertion::GetAssertionResponse;
use crate::transport::errors::HIDError;
use crate::transport::{FidoDevice, VirtualFidoDevice};
use serde_cbor::{de::from_slice, Value};
#[derive(Debug)]
pub(crate) struct GetNextAssertion;
impl RequestCtap2 for GetNextAssertion {
type Output = GetAssertionResponse;
fn command(&self) -> Command {
Command::GetNextAssertion
}
fn wire_format(&self) -> Result<Vec<u8>, HIDError> {
Ok(Vec::new())
}
fn handle_response_ctap2<Dev: FidoDevice>(
&self,
_dev: &mut Dev,
input: &[u8],
) -> Result<Self::Output, HIDError> {
if input.is_empty() {
return Err(CommandError::InputTooSmall.into());
}
let status: StatusCode = input[0].into();
debug!("response status code: {:?}", status);
if input.len() > 1 {
if status.is_ok() {
let assertion = from_slice(&input[1..]).map_err(CommandError::Deserializing)?;
// TODO(baloo): check assertion response does not have numberOfCredentials
Ok(assertion)
} else {
let data: Value = from_slice(&input[1..]).map_err(CommandError::Deserializing)?;
Err(CommandError::StatusCode(status, Some(data)).into())
}
} else if status.is_ok() {
Err(CommandError::InputTooSmall.into())
} else {
Err(CommandError::StatusCode(status, None).into())
}
}
fn send_to_virtual_device<Dev: VirtualFidoDevice>(
&self,
_dev: &mut Dev,
) -> Result<Self::Output, HIDError> {
unimplemented!()
}
}