Malte Meiboom
56647806b7
- Added certstore and retrieval of the local trust root. - Major work on keeping the context between calls to the milter. - Added a context for an email in processing - Added Husk specific errors
48 lines
1.3 KiB
Rust
48 lines
1.3 KiB
Rust
//
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// Husk milter
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//
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// cryptographic functions
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//
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use anyhow;
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use sequoia_openpgp::parse::Parse;
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use sequoia_openpgp::{Fingerprint, Cert};
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use sequoia_openpgp::cert::raw::RawCertParser;
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use sequoia_cert_store::CertStore;
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use crate::types::errors::HuskError;
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pub fn get_local_trust_root(cert_store: &CertStore) -> anyhow::Result<Cert> {
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let root = cert_store.certd()
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.and_then(|certd| {
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match certd.certd().get(sequoia_cert_store::store::openpgp_cert_d::TRUST_ROOT) {
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Ok(Some((_tag, bytes))) => Some(bytes),
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Ok(None) => None,
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Err(_) => None
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}
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})
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.and_then(|bytes| {
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match RawCertParser::from_bytes(&bytes[..]) {
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Ok(mut parser) => {
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match parser.next() {
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Some(Ok(cert)) => {
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match Cert::from_bytes(cert.as_bytes()) {
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Ok(c) => Some(c),
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Err(_) => None,
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}
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},
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Some(Err(_))
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| None => None
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}
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},
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Err(_) => None,
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}
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});
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match root {
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Some(r) => Ok(r),
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None => Err(HuskError::NoLocalTrustRoot.into())
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}
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}
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