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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "X509CertValidity.h"
#include "mozpkix/pkixder.h"
#include "mozpkix/pkixutil.h"
#include "nsComponentManagerUtils.h"
#include "secder.h"
NS_IMPL_ISUPPORTS(X509CertValidity, nsIX509CertValidity)
using namespace mozilla;
using namespace mozilla::pkix;
X509CertValidity::X509CertValidity(Input certDER)
: mNotBefore(0), mNotAfter(0), mTimesInitialized(false) {
using namespace mozilla::pkix::der;
// We're not building a verified certificate chain, so the EndEntityOrCA
// parameter doesn't matter.
BackCert cert(certDER, EndEntityOrCA::MustBeEndEntity, nullptr);
pkix::Result rv = cert.Init();
if (rv != Success) {
return;
}
// Validity ::= SEQUENCE {
// notBefore Time,
// notAfter Time }
//
// Time ::= CHOICE {
// utcTime UTCTime,
// generalTime GeneralizedTime }
//
// NB: BackCert::GetValidity returns the value of the Validity of the
// certificate (i.e. notBefore and notAfter, without the enclosing SEQUENCE
// and length)
Reader reader(cert.GetValidity());
uint8_t expectedTag = reader.Peek(UTCTime) ? UTCTime : GENERALIZED_TIME;
Input notBefore;
pkix::Result result = ExpectTagAndGetValue(reader, expectedTag, notBefore);
if (result != Success) {
return;
}
SECItemType notBeforeType =
expectedTag == UTCTime ? siUTCTime : siGeneralizedTime;
SECItem notBeforeItem = {
notBeforeType, const_cast<unsigned char*>(notBefore.UnsafeGetData()),
notBefore.GetLength()};
SECStatus srv = DER_DecodeTimeChoice(&mNotBefore, ¬BeforeItem);
if (srv != SECSuccess) {
return;
}
expectedTag = reader.Peek(UTCTime) ? UTCTime : GENERALIZED_TIME;
Input notAfter;
result = ExpectTagAndGetValue(reader, expectedTag, notAfter);
if (result != Success) {
return;
}
SECItemType notAfterType =
expectedTag == UTCTime ? siUTCTime : siGeneralizedTime;
SECItem notAfterItem = {notAfterType,
const_cast<unsigned char*>(notAfter.UnsafeGetData()),
notAfter.GetLength()};
srv = DER_DecodeTimeChoice(&mNotAfter, ¬AfterItem);
if (srv != SECSuccess) {
return;
}
mTimesInitialized = true;
}
NS_IMETHODIMP
X509CertValidity::GetNotBefore(PRTime* aNotBefore) {
NS_ENSURE_ARG(aNotBefore);
if (!mTimesInitialized) {
return NS_ERROR_FAILURE;
}
*aNotBefore = mNotBefore;
return NS_OK;
}
NS_IMETHODIMP
X509CertValidity::GetNotAfter(PRTime* aNotAfter) {
NS_ENSURE_ARG(aNotAfter);
if (!mTimesInitialized) {
return NS_ERROR_FAILURE;
}
*aNotAfter = mNotAfter;
return NS_OK;
}
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