/*

* Copyright (c) 2008 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: 

*     Contains mailbox specified always online logic

*

*/

// INCLUDE FILES

#include "emailtrace.h"

#include <e32base.h>

#include <AlwaysOnlineManagerCommon.h>

#include "IpsSosAOEMNResolver.h"

#include "IpsSosAOMboxLogic.h"

#include "IpsSosAOBaseAgent.h"

// Literals used when trying to match a mailbox 

// to a received EMN message

_LIT(KIpsSosAOMailatPattern, "*mailat:*@*");

// Same as KImapPattern, but includes also username

_LIT(KIpsSosAOImapUserPattern, "*imap://*@*"); 

// Include username and auth

_LIT(KIpsSosAOPopUserPattern, "*pop://*;*@*");    

// Same as KPopUserPattern, but does not include auth

_LIT(KIpsSosAOPopUserNoAuthPattern, "*pop://*@*");  

// Literals used when trying to parse username, server

_LIT(KIpsSosAOForwardSlashes, "//");

_LIT(KIpsSosAOAtSign, "@");

_LIT(KIpsSosAOSemicolon, ";");

// ----------------------------------------------------------------------------

// ----------------------------------------------------------------------------

//

CIpsSosAOEMNResolver::CIpsSosAOEMNResolver()

    {

    FUNC_LOG;

    }

// ----------------------------------------------------------------------------

// ----------------------------------------------------------------------------

//

CIpsSosAOEMNResolver::~CIpsSosAOEMNResolver()

    {

    FUNC_LOG;

    }

// ----------------------------------------------------------------------------

// ----------------------------------------------------------------------------

//

void CIpsSosAOEMNResolver::ConstructL()

    {

    FUNC_LOG;

    }

// ----------------------------------------------------------------------------

// ----------------------------------------------------------------------------

//

CIpsSosAOEMNResolver* CIpsSosAOEMNResolver::NewL()

    {

    FUNC_LOG;

    CIpsSosAOEMNResolver* self = NewLC();

    CleanupStack::Pop( self );

    return self;

    }

// ----------------------------------------------------------------------------

// ----------------------------------------------------------------------------

//

CIpsSosAOEMNResolver* CIpsSosAOEMNResolver::NewLC()

    {

    FUNC_LOG;

    CIpsSosAOEMNResolver* self = 

        new ( ELeave ) CIpsSosAOEMNResolver();

    CleanupStack::PushL( self );

    self->ConstructL();

    return self;

    }

//-----------------------------------------------------------------------------

//-----------------------------------------------------------------------------

TInt CIpsSosAOEMNResolver::FindEMNMailbox( 

    const TDesC& aMailboxURI, 

    const RPointerArray<CIpsSosAOMBoxLogic>& aMailboxLogics )

    {

    FUNC_LOG;

    TInt retIndex = KErrNotFound;

    if ( aMailboxLogics.Count() == 0 )

        {

        return KErrNotFound;

        }

    TBuf<KIpsSosAOTextBufferSize> emailAddress;

    TBuf8<KIpsSosAOTextBufferSize> username;

    TBuf<KIpsSosAOTextBufferSize> incomingServer;

    const TInt count = aMailboxLogics.Count();

    for ( TInt loop = 0; (loop < count) && (retIndex == KErrNotFound); loop++)

        {

        TBool isEmn = aMailboxLogics[loop]->IsEmnOn() ||

        !aMailboxLogics[loop]->FirstEMNReceived();

        // We are only interested of those mailboxes which have EMN on.

        if ( isEmn )

            {

            // Get needed settings

            aMailboxLogics[loop]->GetEmailAddress( emailAddress );

            aMailboxLogics[loop]->GetAgent().GetServerAddress( incomingServer );

            aMailboxLogics[loop]->GetAgent().GetUsername( username );

            TBool isImap = aMailboxLogics[loop]->GetAgent().IsTypeImap4();

            // <emn mailbox="mailat:usernamemuimaumail.somehost.com"/>

            if ( aMailboxURI.Match( KIpsSosAOMailatPattern ) == 0 && 

                 aMailboxURI.Find( emailAddress ) > 0 )

                {

                retIndex = loop;

                }

            // <emn mailbox="imap://usernamemiumaumail.somehost.com"/>

            else if ( aMailboxURI.Match( 

                    KIpsSosAOImapUserPattern ) == 0 && isImap )

                {

                if ( HandleEmnImapUserURI( aMailboxURI, username, incomingServer ) )

                    {

                    retIndex = loop;

                    }

                }

            // <emn mailbox="pop://userxyz;auth=3598302miumaumail.somehost.com"/>

            else if ( aMailboxURI.Match( 

                    KIpsSosAOPopUserPattern ) == 0 && !isImap )

                {

                if ( HandleEmnPopUserURI( aMailboxURI, username, incomingServer ) )

                    {

                    retIndex = loop;

                    }

                }

            // <emn mailbox="pop://userxyzmiumaumail.somehost.com"/>

            else if ( aMailboxURI.Match( 

                    KIpsSosAOPopUserNoAuthPattern ) == 0 && !isImap )

                {

                if ( HandleEmnPopNoAuthURI( aMailboxURI, username, incomingServer ) )

                    {

                    retIndex = loop;

                    }

                }

            else

                {

                }

            }

        else

            {

            }

        }

    return retIndex;  

    }

// ----------------------------------------------------------------------------

// ----------------------------------------------------------------------------

TInt CIpsSosAOEMNResolver::ParameterDispatchTEMNElement( 

    const TDesC8& aParameters,

    TEMNElement& aElement ) const

    {

    FUNC_LOG;

    // Presume that wrong type of parameter is given

    TInt err = KErrNotSupported;

    // Unpack parameters to see to which mailbox EMN is for

    TPckgBuf<TEMNElement> paramPack;

    // Make sure that the parameter length matches TEMNElement length and

    // extract mailbox and timestamp values.

    if ( aParameters.Size() == sizeof( TEMNElement ) )

        {

        paramPack.Copy( aParameters );

        aElement.mailbox.Zero();

        aElement.mailbox.Append( paramPack().mailbox );

        aElement.timestamp = paramPack().timestamp;

        err = KErrNone;

        }

    else

        {

        err = KErrArgument;

        }

    return err;

    }

// ----------------------------------------------------------------------------

// ----------------------------------------------------------------------------

TBool CIpsSosAOEMNResolver::HandleEmnImapUserURI(

    const TDesC& aURI,

    const TDesC8& aUsername,

    const TDesC& aServer ) const    

    {

    FUNC_LOG;

    // Try to match with following EMN message

    // <emn mailbox="imap://usernamemiumaumail.somehost.com/folder;UIDVALIDITY=385759045/;UID=20"/>

    // <emn mailbox="imap://usernamemiumaumail.somehost.com/"/>

    // endPart = usernamemiumaumail.somehost.com/folder;UIDVALIDITY=385759045/;UID=20

    TInt pos = aURI.Find( KIpsSosAOForwardSlashes );

    // Step over forward slashes

    pos += 2;

    // Strip "imap://" away

    TPtrC endPart( aURI.Right( aURI.Length() - ( pos ) ) );

    // Username is from beginning to @ character

    pos = endPart.Find( KIpsSosAOAtSign );    

    TBuf8<KIpsSosAOTextBufferSize> user;

    user.Copy( endPart.Left( pos ) ); 

    // Strip username and '@' character away

    endPart.Set( endPart.Right( endPart.Length() - pos - 1 ) );

    TPtrC server( endPart );

    // Do we have a winner?

    TBool ret = ( aUsername.Compare( user ) == 0 &&

             server.Find( aServer ) == 0 );

    return ret;

    }

// ----------------------------------------------------------------------------

// ----------------------------------------------------------------------------

TBool CIpsSosAOEMNResolver::HandleEmnPopUserURI(

    const TDesC& aURI,

    const TDesC8& aUsername,

    const TDesC& aServer ) const

    {

    FUNC_LOG;

    // Try to match with following EMN message

    // <emn mailbox="pop://userxyz;auth=3598302miumaumail.somehost.com"/>

    TInt pos = aURI.Find( KIpsSosAOForwardSlashes );

    // Step over forward slashes

    pos += 2;

    // Strip "pop://" away

    TPtrC endPart( aURI.Right( aURI.Length() - ( pos ) ) );

    // Username is from beginning to ; character

    pos = endPart.Find( KIpsSosAOSemicolon );    

    TBuf8<KIpsSosAOTextBufferSize> user;

    user.Copy( endPart.Left( pos ) ); 

    // ";auth=3598302" omitted

    // server name

    pos = endPart.Find( KIpsSosAOAtSign );

    // Step over at sign

    pos++;

    // server = mail.somehost.com

    TPtrC server( endPart.Right( endPart.Length() - pos ) );

    // Do we have a winner?

    TBool ret = ( aUsername.Compare( user ) == 0 &&

             aServer.Compare( server ) == 0 );

    return ret;

    }

// ----------------------------------------------------------------------------

// ----------------------------------------------------------------------------

TBool CIpsSosAOEMNResolver::HandleEmnPopNoAuthURI( 

    const TDesC& aURI,

    const TDesC8& aUsername,

    const TDesC& aServer ) const

    {

    FUNC_LOG;

    // Try to match with following EMN message

    // <emn mailbox="pop://userxyzmiumaumail.somehost.com"/>

    TInt pos = aURI.Find( KIpsSosAOForwardSlashes );

    // Step over forward slashes

    pos += 2;

    // Strip "pop://" away

    TPtrC endPart( aURI.Right( aURI.Length() - ( pos ) ) );

    // Username is from beginning to @ character

    pos = endPart.Find( KIpsSosAOAtSign );

    TBuf8<KIpsSosAOTextBufferSize> user;

    user.Copy( endPart.Left( pos ) ); 

    // Step over at sign

    pos++;

    // server = mail.somehost.com

    TPtrC server( endPart.Right( endPart.Length() - pos ) );    

    // Do we have a winner?

    TBool ret = ( aUsername.Compare( user ) == 0 &&

             aServer.Compare( server ) == 0 );

    return ret;

    }

// End of File