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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 "nsNSSCertValidity.h"

#include "cert.h"
#include "mozilla/Assertions.h"
#include "nsCOMPtr.h"
#include "nsComponentManagerUtils.h"
#include "nsReadableUtils.h"

NS_IMPL_ISUPPORTS(nsX509CertValidity, nsIX509CertValidity)

using namespace mozilla;

nsX509CertValidity::nsX509CertValidity(
    const mozilla::UniqueCERTCertificate& cert)
    : mNotBefore(0), mNotAfter(0), mTimesInitialized(false) {
  MOZ_ASSERT(cert);
  if (!cert) {
    return;
  }

  if (CERT_GetCertTimes(cert.get(), &mNotBefore, &mNotAfter) == SECSuccess) {
    mTimesInitialized = true;
  }
}

NS_IMETHODIMP
nsX509CertValidity::GetNotBefore(PRTime* aNotBefore) {
  NS_ENSURE_ARG(aNotBefore);

  if (!mTimesInitialized) {
    return NS_ERROR_FAILURE;
  }

  *aNotBefore = mNotBefore;
  return NS_OK;
}

nsresult nsX509CertValidity::FormatTime(
    const PRTime& aTimeDate, PRTimeParamFn aParamFn,
    const nsTimeFormatSelector aTimeFormatSelector,
    nsAString& aFormattedTimeDate) {
  if (!mTimesInitialized) return NS_ERROR_FAILURE;

  PRExplodedTime explodedTime;
  PR_ExplodeTime(const_cast<PRTime&>(aTimeDate), aParamFn, &explodedTime);
  return mozilla::DateTimeFormat::FormatPRExplodedTime(
      kDateFormatLong, aTimeFormatSelector, &explodedTime, aFormattedTimeDate);
}

NS_IMETHODIMP
nsX509CertValidity::GetNotBeforeLocalTime(nsAString& aNotBeforeLocalTime) {
  return FormatTime(mNotBefore, PR_LocalTimeParameters, kTimeFormatSeconds,
                    aNotBeforeLocalTime);
}

NS_IMETHODIMP
nsX509CertValidity::GetNotBeforeLocalDay(nsAString& aNotBeforeLocalDay) {
  return FormatTime(mNotBefore, PR_LocalTimeParameters, kTimeFormatNone,
                    aNotBeforeLocalDay);
}

NS_IMETHODIMP
nsX509CertValidity::GetNotBeforeGMT(nsAString& aNotBeforeGMT) {
  return FormatTime(mNotBefore, PR_GMTParameters, kTimeFormatSeconds,
                    aNotBeforeGMT);
}

NS_IMETHODIMP
nsX509CertValidity::GetNotAfter(PRTime* aNotAfter) {
  NS_ENSURE_ARG(aNotAfter);

  if (!mTimesInitialized) {
    return NS_ERROR_FAILURE;
  }

  *aNotAfter = mNotAfter;
  return NS_OK;
}

NS_IMETHODIMP
nsX509CertValidity::GetNotAfterLocalTime(nsAString& aNotAfterLocaltime) {
  return FormatTime(mNotAfter, PR_LocalTimeParameters, kTimeFormatSeconds,
                    aNotAfterLocaltime);
}

NS_IMETHODIMP
nsX509CertValidity::GetNotAfterLocalDay(nsAString& aNotAfterLocalDay) {
  return FormatTime(mNotAfter, PR_LocalTimeParameters, kTimeFormatNone,
                    aNotAfterLocalDay);
}

NS_IMETHODIMP
nsX509CertValidity::GetNotAfterGMT(nsAString& aNotAfterGMT) {
  return FormatTime(mNotAfter, PR_GMTParameters, kTimeFormatSeconds,
                    aNotAfterGMT);
}