/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is the Netscape security libraries.
 *
 * The Initial Developer of the Original Code is
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 2000
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Ian McGreer <mcgreer@netscape.com>
 *   Javier Delgadillo <javi@netscape.com>
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

#include "nsNSSCertValidity.h"
#include "nsNSSCertHeader.h"
#include "nsCOMPtr.h"
#include "nsIDateTimeFormat.h"
#include "nsDateTimeFormatCID.h"
#include "nsComponentManagerUtils.h"
#include "nsReadableUtils.h"
#include "nsNSSShutDown.h"

/* Implementation file */
NS_IMPL_THREADSAFE_ISUPPORTS1(nsX509CertValidity, nsIX509CertValidity)

nsX509CertValidity::nsX509CertValidity() : mTimesInitialized(PR_FALSE)
{
  /* member initializers and constructor code */
}

nsX509CertValidity::nsX509CertValidity(CERTCertificate *cert) : 
                                           mTimesInitialized(PR_FALSE)
{
  nsNSSShutDownPreventionLock locker;
  if (cert) {
    SECStatus rv = CERT_GetCertTimes(cert, &mNotBefore, &mNotAfter);
    if (rv == SECSuccess)
      mTimesInitialized = PR_TRUE;
  }
}

nsX509CertValidity::~nsX509CertValidity()
{
  /* destructor code */
}

/* readonly attribute PRTime notBefore; */
NS_IMETHODIMP nsX509CertValidity::GetNotBefore(PRTime *aNotBefore)
{
  NS_ENSURE_ARG(aNotBefore);

  nsresult rv = NS_ERROR_FAILURE;
  if (mTimesInitialized) {
    *aNotBefore = mNotBefore;
    rv = NS_OK;
  }
  return rv;
}

NS_IMETHODIMP nsX509CertValidity::GetNotBeforeLocalTime(nsAString &aNotBeforeLocalTime)
{
  if (!mTimesInitialized)
    return NS_ERROR_FAILURE;

  nsresult rv;
  nsCOMPtr<nsIDateTimeFormat> dateFormatter =
     do_CreateInstance(NS_DATETIMEFORMAT_CONTRACTID, &rv);
  if (NS_FAILED(rv)) return rv;

  nsAutoString date;
  PRExplodedTime explodedTime;
  PR_ExplodeTime(mNotBefore, PR_LocalTimeParameters, &explodedTime);
  dateFormatter->FormatPRExplodedTime(nsnull, kDateFormatShort, kTimeFormatSecondsForce24Hour,
                                      &explodedTime, date);
  aNotBeforeLocalTime = date;
  return NS_OK;
}

NS_IMETHODIMP nsX509CertValidity::GetNotBeforeLocalDay(nsAString &aNotBeforeLocalDay)
{
  if (!mTimesInitialized)
    return NS_ERROR_FAILURE;

  nsresult rv;
  nsCOMPtr<nsIDateTimeFormat> dateFormatter =
     do_CreateInstance(NS_DATETIMEFORMAT_CONTRACTID, &rv);
  if (NS_FAILED(rv)) return rv;

  nsAutoString date;
  PRExplodedTime explodedTime;
  PR_ExplodeTime(mNotBefore, PR_LocalTimeParameters, &explodedTime);
  dateFormatter->FormatPRExplodedTime(nsnull, kDateFormatShort, kTimeFormatNone,
                                      &explodedTime, date);
  aNotBeforeLocalDay = date;
  return NS_OK;
}


NS_IMETHODIMP nsX509CertValidity::GetNotBeforeGMT(nsAString &aNotBeforeGMT)
{
  if (!mTimesInitialized)
    return NS_ERROR_FAILURE;

  nsresult rv;
  nsCOMPtr<nsIDateTimeFormat> dateFormatter =
     do_CreateInstance(NS_DATETIMEFORMAT_CONTRACTID, &rv);
  if (NS_FAILED(rv)) return rv;

  nsAutoString date;
  PRExplodedTime explodedTime;
  PR_ExplodeTime(mNotBefore, PR_GMTParameters, &explodedTime);
  dateFormatter->FormatPRExplodedTime(nsnull, kDateFormatShort, kTimeFormatSecondsForce24Hour,
                                      &explodedTime, date);
  aNotBeforeGMT = date;
  return NS_OK;
}

/* readonly attribute PRTime notAfter; */
NS_IMETHODIMP nsX509CertValidity::GetNotAfter(PRTime *aNotAfter)
{
  NS_ENSURE_ARG(aNotAfter);

  nsresult rv = NS_ERROR_FAILURE;
  if (mTimesInitialized) {
    *aNotAfter = mNotAfter;
    rv = NS_OK;
  }
  return rv;
}

NS_IMETHODIMP nsX509CertValidity::GetNotAfterLocalTime(nsAString &aNotAfterLocaltime)
{
  if (!mTimesInitialized)
    return NS_ERROR_FAILURE;

  nsresult rv;
  nsCOMPtr<nsIDateTimeFormat> dateFormatter =
     do_CreateInstance(NS_DATETIMEFORMAT_CONTRACTID, &rv);
  if (NS_FAILED(rv)) return rv;

  nsAutoString date;
  PRExplodedTime explodedTime;
  PR_ExplodeTime(mNotAfter, PR_LocalTimeParameters, &explodedTime);
  dateFormatter->FormatPRExplodedTime(nsnull, kDateFormatShort, kTimeFormatSecondsForce24Hour,
                                      &explodedTime, date);
  aNotAfterLocaltime = date;
  return NS_OK;
}

NS_IMETHODIMP nsX509CertValidity::GetNotAfterLocalDay(nsAString &aNotAfterLocalDay)
{
  if (!mTimesInitialized)
    return NS_ERROR_FAILURE;

  nsresult rv;
  nsCOMPtr<nsIDateTimeFormat> dateFormatter =
     do_CreateInstance(NS_DATETIMEFORMAT_CONTRACTID, &rv);
  if (NS_FAILED(rv)) return rv;

  nsAutoString date;
  PRExplodedTime explodedTime;
  PR_ExplodeTime(mNotAfter, PR_LocalTimeParameters, &explodedTime);
  dateFormatter->FormatPRExplodedTime(nsnull, kDateFormatShort, kTimeFormatNone,
                                      &explodedTime, date);
  aNotAfterLocalDay = date;
  return NS_OK;
}

NS_IMETHODIMP nsX509CertValidity::GetNotAfterGMT(nsAString &aNotAfterGMT)
{
  if (!mTimesInitialized)
    return NS_ERROR_FAILURE;

  nsresult rv;
  nsCOMPtr<nsIDateTimeFormat> dateFormatter =
     do_CreateInstance(NS_DATETIMEFORMAT_CONTRACTID, &rv);
  if (NS_FAILED(rv)) return rv;

  nsAutoString date;
  PRExplodedTime explodedTime;
  PR_ExplodeTime(mNotAfter, PR_GMTParameters, &explodedTime);
  dateFormatter->FormatPRExplodedTime(nsnull, kDateFormatShort, kTimeFormatSecondsForce24Hour,
                                      &explodedTime, date);
  aNotAfterGMT = date;
  return NS_OK;
}