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// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
// Copyright by contributors to this project.
// SPDX-License-Identifier: (Apache-2.0 OR MIT)
use core::{
convert::Infallible,
fmt::{self, Debug},
ops::{Deref, DerefMut},
};
use alloc::vec::Vec;
use mls_rs_codec::{MlsDecode, MlsEncode, MlsSize};
use super::{Credential, CredentialType, MlsCredential};
#[derive(Clone, PartialEq, Eq, Hash, PartialOrd, Ord, MlsSize, MlsEncode, MlsDecode)]
#[cfg_attr(feature = "arbitrary", derive(arbitrary::Arbitrary))]
// #[cfg_attr(
// all(feature = "ffi", not(test)),
// safer_ffi_gen::ffi_type(clone, opaque)
// )]
#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
/// X.509 certificate in DER format.
pub struct DerCertificate(
#[mls_codec(with = "mls_rs_codec::byte_vec")]
#[cfg_attr(feature = "serde", serde(with = "crate::vec_serde"))]
Vec<u8>,
);
impl Debug for DerCertificate {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
crate::debug::pretty_bytes(&self.0)
.named("DerCertificate")
.fmt(f)
}
}
// #[cfg_attr(all(feature = "ffi", not(test)), safer_ffi_gen::safer_ffi_gen)]
impl DerCertificate {
/// Create a der certificate from raw bytes.
pub fn new(data: Vec<u8>) -> DerCertificate {
DerCertificate(data)
}
/// Convert this certificate into raw bytes.
pub fn into_vec(self) -> Vec<u8> {
self.0
}
}
impl From<Vec<u8>> for DerCertificate {
fn from(data: Vec<u8>) -> Self {
DerCertificate(data)
}
}
impl Deref for DerCertificate {
type Target = [u8];
fn deref(&self) -> &Self::Target {
&self.0
}
}
impl AsRef<[u8]> for DerCertificate {
fn as_ref(&self) -> &[u8] {
&self.0
}
}
#[derive(Clone, Debug, PartialEq, Eq, Hash, PartialOrd, Ord, MlsSize, MlsEncode, MlsDecode)]
#[cfg_attr(feature = "arbitrary", derive(arbitrary::Arbitrary))]
// #[cfg_attr(
// all(feature = "ffi", not(test)),
// safer_ffi_gen::ffi_type(clone, opaque)
// )]
#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
/// A chain of [`DerCertificate`] that is ordered from leaf to root.
///
/// Certificate chains MAY leave out root CA's so long as they are
/// provided as input to whatever certificate validator ultimately is
/// verifying the chain.
pub struct CertificateChain(Vec<DerCertificate>);
impl Deref for CertificateChain {
type Target = Vec<DerCertificate>;
fn deref(&self) -> &Self::Target {
&self.0
}
}
impl DerefMut for CertificateChain {
fn deref_mut(&mut self) -> &mut Self::Target {
&mut self.0
}
}
impl From<Vec<DerCertificate>> for CertificateChain {
fn from(cert_data: Vec<DerCertificate>) -> Self {
CertificateChain(cert_data)
}
}
impl From<Vec<Vec<u8>>> for CertificateChain {
fn from(value: Vec<Vec<u8>>) -> Self {
CertificateChain(value.into_iter().map(DerCertificate).collect())
}
}
impl FromIterator<DerCertificate> for CertificateChain {
fn from_iter<T: IntoIterator<Item = DerCertificate>>(iter: T) -> Self {
CertificateChain::from(iter.into_iter().collect::<Vec<_>>())
}
}
impl CertificateChain {
/// Get the leaf certificate, which is the first certificate in the chain.
pub fn leaf(&self) -> Option<&DerCertificate> {
self.0.first()
}
/// Convert this certificate chain into a [`Credential`] enum.
pub fn into_credential(self) -> Credential {
Credential::X509(self)
}
}
impl MlsCredential for CertificateChain {
type Error = Infallible;
fn credential_type() -> CredentialType {
CredentialType::X509
}
fn into_credential(self) -> Result<Credential, Self::Error> {
Ok(self.into_credential())
}
}