use crate::{
asn1::{
Asn1DecodeWrapper, Asn1EncodeWrapper, Len, Oid, SEQUENCE_TAG, SequenceBuffer, asn1_writer,
decode_asn1_tlv,
},
codec::{Decode, DecodeWrapper, Encode, EncodeWrapper, GenericCodec},
collection::ArrayVectorU8,
x509::X509Error,
};
#[derive(Debug, PartialEq)]
pub struct PolicyMapping {
pub issuer_domain_policy: Oid,
pub subject_domain_policy: Oid,
}
impl<'de> Decode<'de, GenericCodec<Asn1DecodeWrapper, ()>> for PolicyMapping {
#[inline]
fn decode(dw: &mut DecodeWrapper<'de, Asn1DecodeWrapper>) -> crate::Result<Self> {
let (SEQUENCE_TAG, _, value, rest) = decode_asn1_tlv(dw.bytes)? else {
return Err(X509Error::InvalidExtensionPolicyMappings.into());
};
dw.bytes = value;
let issuer_domain_policy = Oid::decode(dw)?;
let subject_domain_policy = Oid::decode(dw)?;
dw.bytes = rest;
Ok(Self { issuer_domain_policy, subject_domain_policy })
}
}
impl Encode<GenericCodec<(), Asn1EncodeWrapper>> for PolicyMapping {
#[inline]
fn encode(&self, ew: &mut EncodeWrapper<'_, Asn1EncodeWrapper>) -> crate::Result<()> {
asn1_writer(ew, Len::MAX_ONE_BYTE, SEQUENCE_TAG, |local_ew| {
self.issuer_domain_policy.encode(local_ew)?;
self.subject_domain_policy.encode(local_ew)?;
Ok(())
})
}
}
#[derive(Debug, PartialEq)]
pub struct PolicyMappings(
pub ArrayVectorU8<PolicyMapping, 2>,
);
impl<'de> Decode<'de, GenericCodec<Asn1DecodeWrapper, ()>> for PolicyMappings {
#[inline]
fn decode(dw: &mut DecodeWrapper<'de, Asn1DecodeWrapper>) -> crate::Result<Self> {
Ok(Self(SequenceBuffer::decode(dw, SEQUENCE_TAG)?.0))
}
}
impl Encode<GenericCodec<(), Asn1EncodeWrapper>> for PolicyMappings {
#[inline]
fn encode(&self, ew: &mut EncodeWrapper<'_, Asn1EncodeWrapper>) -> crate::Result<()> {
SequenceBuffer(&self.0).encode(ew, Len::MAX_ONE_BYTE, SEQUENCE_TAG)
}
}