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// This file is dual licensed under the terms of the Apache License, Version
// 2.0, and the BSD License. See the LICENSE file in the root of this repository
// for complete details.
use std::collections::HashMap;
use cryptography_x509::name::Name;
use crate::CryptoOps;
use crate::VerificationCertificate;
/// A `Store` represents the core state needed for X.509 path validation.
pub struct Store<'a, B: CryptoOps> {
by_subject: HashMap<Name<'a>, Vec<VerificationCertificate<'a, B>>>,
}
impl<'a, B: CryptoOps> Store<'a, B> {
/// Create a new `Store` from the given iterable certificate source.
pub fn new(trusted: impl IntoIterator<Item = VerificationCertificate<'a, B>>) -> Self {
let mut by_subject: HashMap<Name<'a>, Vec<VerificationCertificate<'a, B>>> = HashMap::new();
for cert in trusted {
by_subject
.entry(cert.certificate().tbs_cert.subject.clone())
.or_default()
.push(cert);
}
Store { by_subject }
}
/// Returns whether this store contains the given certificate.
pub fn contains(&self, cert: &VerificationCertificate<'a, B>) -> bool {
self.get_by_subject(&cert.certificate().tbs_cert.subject)
.contains(cert)
}
pub fn get_by_subject(&self, subject: &Name<'a>) -> &[VerificationCertificate<'a, B>] {
self.by_subject
.get(subject)
.map(|v| v.as_slice())
.unwrap_or_default()
}
}
#[cfg(test)]
mod tests {
use super::Store;
use crate::certificate::tests::PublicKeyErrorOps;
use crate::ops::tests::{cert, v1_cert_pem};
use crate::VerificationCertificate;
#[test]
fn test_store() {
let cert_pem = v1_cert_pem();
let cert1 = VerificationCertificate::new(cert(&cert_pem), ());
let cert2 = VerificationCertificate::new(cert(&cert_pem), ());
let store = Store::<'_, PublicKeyErrorOps>::new([cert1]);
assert!(store.contains(&cert2));
}
}
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