// Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).

// All rights reserved.

// This component and the accompanying materials are made available

// under the terms of "Eclipse Public License v1.0"

// which accompanies this distribution, and is available

// at the URL "http://www.eclipse.org/legal/epl-v10.html".

//

// Initial Contributors:

// Nokia Corporation - initial contribution.

//

// Contributors:

//

// Description:

// This file contains the implementation of the AT+CPIN command

// 

//

#include "cpincommandhandler.h"

#include <mmretrieve.h>         // define AO wrapper

#include <exterror.h>           // Additional RMobilePhone error code

#include "debug.h"

CCPINCommandHandler* CCPINCommandHandler::NewL(MATMiscCmdPlugin* aCallback, TAtCommandParser& aATCmdParser, RMobilePhone& aPhone)

    {

    TRACE_FUNC_ENTRY

    CCPINCommandHandler* self = new (ELeave) CCPINCommandHandler(aCallback, aATCmdParser, aPhone);

    TRACE_FUNC_EXIT

    return self;

    }

CCPINCommandHandler::CCPINCommandHandler(MATMiscCmdPlugin* aCallback, TAtCommandParser& aATCmdParser, RMobilePhone& aPhone) :

    CATCmdAsyncBase(aCallback, aATCmdParser, aPhone),

    iLockInfoPckg(iLockInfo)

    {

    TRACE_FUNC_ENTRY

    TRACE_FUNC_EXIT

    }

CCPINCommandHandler::~CCPINCommandHandler()

    {

    TRACE_FUNC_ENTRY

    Cancel();

    TRACE_FUNC_EXIT

    }

void CCPINCommandHandler::HandleCommand(const TDesC8& /*aCmd*/,

                                   RBuf8& /*aReply*/,

                                   TBool /*aReplyNeeded*/)

    {

    TRACE_FUNC_ENTRY

    switch (iATCmdParser.CommandHandlerType())

        {

        case (TAtCommandParser::ECmdHandlerTypeTest):

                // AT+CPIN=?  - simply return OK.

            {

            iCallback->CreateReplyAndComplete( EReplyTypeOk);

            break;

            }

        case(TAtCommandParser::ECmdHandlerTypeRead):

            // AT+CPIN?  - Get PIN require status.  return +CPIN: READY/SIM PUK

        case (TAtCommandParser::ECmdHandlerTypeSet):

            // AT+CPIN="puk","pin"  - Change password when PUK is required. 

            {

            // call GetLockInfo to check if PUK is required

            iPhone.GetLockInfo(iStatus, RMobilePhone::ELockICC, iLockInfoPckg);

            iPendingEvent = EMobilePhoneGetLockInfo;

            SetActive();

            break;

            }

        default:

            {

            // unsupported command

            iCallback->CreateReplyAndComplete(EReplyTypeError);

            break;

            }

        }

    TRACE_FUNC_EXIT

    }

void CCPINCommandHandler::ChangePassword()

    {

    TRACE_FUNC_ENTRY

    TPtrC8 pukCode8;

    TPtrC8 pinCode8;

    // Get parameters from AT command

    TInt ret1 = iATCmdParser.NextTextParam(pukCode8);

    TInt ret2 = iATCmdParser.NextTextParam(pinCode8);

    if(ret1 != KErrNone || ret2 != KErrNone

            || iATCmdParser.NextParam().Length() != 0)

        {

        iCallback->CreateReplyAndComplete( EReplyTypeError);

        }

    else

        {

        RMobilePhone::TMobilePassword pukCode;

        RMobilePhone::TMobilePassword pinCode;

        pukCode.Copy(pukCode8);

        pinCode.Copy(pinCode8);

        iPhone.VerifySecurityCode(iStatus, RMobilePhone::ESecurityCodePuk1, pinCode, pukCode);

        // re-use the AO for VerifySecurityCode 

        iPendingEvent = EMobilePhoneVerifySecurityCode; 

        SetActive();

        }

    TRACE_FUNC_EXIT

    }

void CCPINCommandHandler::RunL()

    {

    TRACE_FUNC_ENTRY

    if( iPendingEvent == EMobilePhoneGetLockInfo)

        { // after calling GetLockInfo

        HandleGetLockInfo();

        }

    else

        { // after calling VerifySecurityCode

        ASSERT(iPendingEvent == EMobilePhoneVerifySecurityCode);

        HandleVerifySecurityCode();

        }

    TRACE_FUNC_EXIT

    }

void CCPINCommandHandler::HandleGetLockInfo()

    {

    TRACE_FUNC_ENTRY

    TAtCommandParser::TCommandHandlerType handleType = iATCmdParser.CommandHandlerType();

    switch(iStatus.Int())

        {

        case KErrNone:

            {

            // log lock info

            _LIT8(KDbgPhoneLockInfo, "GetLockInfo: Status %d, Lock %d, Setting %d");

            Trace(KDbgPhoneLockInfo, iStatus.Int(), iLockInfo.iStatus, iLockInfo.iSetting);

            if(handleType == TAtCommandParser::ECmdHandlerTypeRead )

                {

                // complete without error

                _LIT8(KCPINReady, "\r\n+CPIN: READY\r\n\r\nOK\r\n");

                iCallback->CreateReplyAndComplete( EReplyTypeOther, KCPINReady);

                }

            else 

                {

                ASSERT( handleType== TAtCommandParser::ECmdHandlerTypeSet );

                // PUK/PIN is not required

                iCallback->CreateCMEReplyAndComplete(KErrGsm0707OperationNotAllowed);

                }

            break;

            }

        case KErrAccessDenied:

            {

            if(handleType == TAtCommandParser::ECmdHandlerTypeRead )

                {

                // reply PUK is required

                _LIT8(KCPINSimPuk, "\r\n+CPIN: SIM PUK\r\n\r\nOK\r\n");

                iCallback->CreateReplyAndComplete( EReplyTypeOther, KCPINSimPuk);

                }

            else

                {

                // change PIN with a PUK code

                ChangePassword();

                }

            break;

            }

        default:

            {

            // any other errors, such as KErrGeneral when SIM card is not available

            Trace(KDebugPrintD, "Complete CPIN with error ", iStatus.Int());

            iCallback->CreateReplyAndComplete( EReplyTypeError );

            break;

            }

        }

    TRACE_FUNC_EXIT

    }

void CCPINCommandHandler::HandleVerifySecurityCode()

    {

    TRACE_FUNC_ENTRY

    // check error after change PUK

    if (iStatus.Int() == KErrNone)

        { // complete without error

        iCallback->CreateReplyAndComplete( EReplyTypeOk );

        }

    else

        { // if there is an error

        iCallback->CreateCMEReplyAndComplete(iStatus.Int());   

        }

    TRACE_FUNC_EXIT

    }

void CCPINCommandHandler::DoCancel()

    {

    TRACE_FUNC_ENTRY

    iPhone.CancelAsyncRequest(iPendingEvent);

    TRACE_FUNC_EXIT

    }