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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 "nsCOMPtr.h"
#include "nsAbLDAPReplicationQuery.h"
#include "nsAbLDAPReplicationService.h"
#include "nsAbLDAPReplicationData.h"
#include "nsILDAPURL.h"
#include "nsAbBaseCID.h"
#include "nsAbUtils.h"
#include "nsDirPrefs.h"
#include "prmem.h"
#include "nsComponentManagerUtils.h"
#include "nsMsgUtils.h"

NS_IMPL_ISUPPORTS(nsAbLDAPReplicationQuery,
                              nsIAbLDAPReplicationQuery)

nsAbLDAPReplicationQuery::nsAbLDAPReplicationQuery()
    :  mInitialized(false)
{
}

nsresult nsAbLDAPReplicationQuery::InitLDAPData()
{
  nsAutoCString fileName;
  nsresult rv = mDirectory->GetReplicationFileName(fileName);
  NS_ENSURE_SUCCESS(rv, rv);

  // this is done here to take care of the problem related to bug # 99124.
  // earlier versions of Mozilla could have the fileName associated with the directory
  // to be abook.mab which is the profile's personal addressbook. If the pref points to
  // it, calls nsDirPrefs to generate a new server filename.
  if (fileName.IsEmpty() || fileName.EqualsLiteral(kPersonalAddressbook))
  {
    // Ensure fileName is empty for DIR_GenerateAbFileName to work
    // correctly.
    fileName.Truncate();

    nsCOMPtr<nsIAbDirectory> standardDir(do_QueryInterface(mDirectory, &rv));
    NS_ENSURE_SUCCESS(rv, rv);

    nsCString dirPrefId;
    rv = standardDir->GetDirPrefId(dirPrefId);
    NS_ENSURE_SUCCESS(rv, rv);

    // XXX This should be replaced by a local function at some stage.
    // For now we'll continue using the nsDirPrefs version.
    DIR_Server* server = DIR_GetServerFromList(dirPrefId.get());
    if (server)
    {
      DIR_SetServerFileName(server);
      // Now ensure the prefs are saved
      DIR_SavePrefsForOneServer(server);
    }
  }
 
  rv = mDirectory->SetReplicationFileName(fileName);
  NS_ENSURE_SUCCESS(rv, rv);
 
  rv = mDirectory->GetLDAPURL(getter_AddRefs(mURL));
  NS_ENSURE_SUCCESS(rv, rv);

  rv = mDirectory->GetAuthDn(mLogin);
  NS_ENSURE_SUCCESS(rv, rv);

  mConnection = do_CreateInstance(NS_LDAPCONNECTION_CONTRACTID, &rv);
  if (NS_FAILED(rv)) 
    return rv;

  mOperation = do_CreateInstance(NS_LDAPOPERATION_CONTRACTID, &rv);

  return rv;
}

nsresult nsAbLDAPReplicationQuery::ConnectToLDAPServer()
{
    if (!mInitialized || !mURL)
        return NS_ERROR_NOT_INITIALIZED;

    nsresult rv;
    nsCOMPtr<nsILDAPMessageListener> mDp = do_QueryInterface(mDataProcessor,
                                                             &rv);
    if (NS_FAILED(rv))
      return NS_ERROR_UNEXPECTED;

    // this could be a rebind call
    int32_t replicationState = nsIAbLDAPProcessReplicationData::kIdle;
    rv = mDataProcessor->GetReplicationState(&replicationState);
    if (NS_FAILED(rv) ||
        replicationState != nsIAbLDAPProcessReplicationData::kIdle)
        return rv;

    uint32_t protocolVersion;
    rv = mDirectory->GetProtocolVersion(&protocolVersion);
    NS_ENSURE_SUCCESS(rv, rv);

    // initialize the LDAP connection
    return mConnection->Init(mURL, mLogin, mDp, nullptr, protocolVersion);
}

NS_IMETHODIMP nsAbLDAPReplicationQuery::Init(nsIAbLDAPDirectory *aDirectory,
                                             nsIWebProgressListener *aProgressListener)
{
  NS_ENSURE_ARG_POINTER(aDirectory);

  mDirectory = aDirectory;

  nsresult rv = InitLDAPData();
  if (NS_FAILED(rv)) 
    return rv;

  mDataProcessor =
    do_CreateInstance(NS_ABLDAP_PROCESSREPLICATIONDATA_CONTRACTID, &rv);
  if (NS_FAILED(rv)) 
    return rv;

  // 'this' initialized
  mInitialized = true;

  return mDataProcessor->Init(mDirectory, mConnection, mURL, this,
                              aProgressListener);
}

NS_IMETHODIMP nsAbLDAPReplicationQuery::DoReplicationQuery()
{
    return ConnectToLDAPServer();
}

NS_IMETHODIMP nsAbLDAPReplicationQuery::CancelQuery()
{
    if (!mInitialized) 
        return NS_ERROR_NOT_INITIALIZED;

    return mDataProcessor->Abort();
}

NS_IMETHODIMP nsAbLDAPReplicationQuery::Done(bool aSuccess)
{
   if (!mInitialized) 
       return NS_ERROR_NOT_INITIALIZED;

   nsresult rv = NS_OK;
   nsCOMPtr<nsIAbLDAPReplicationService> replicationService = 
                            do_GetService(NS_ABLDAP_REPLICATIONSERVICE_CONTRACTID, &rv);
   if (NS_SUCCEEDED(rv))
      replicationService->Done(aSuccess);

   return rv;
}