/*

* Copyright (c) 2005-2009 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:  writeablejavaregistryentry implementation

*

*/

// INCLUDES

#include <memory>

#include "javacommonutils.h"

#include "javaregistryentry.h"

#include "javastoragenames.h"

#include "javasymbianoslayer.h"

#include "javauid.h"

#include "logger.h"

#include "midpauthenticationmodule.h"

#include "writeablejavaregistryentry.h"

#include "writeablejavaregistrypackageentry.h"

using namespace Java;

using namespace Java::Manager::Registry;

using namespace java::storage;

using namespace java::util;

using namespace std;

// ============================ MEMBER FUNCTIONS =============================

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

// CWriteableJavaRegistryEntry::CWriteableJavaRegistryEntry

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

//

CWriteableJavaRegistryEntry::CWriteableJavaRegistryEntry

(JavaStorageApplicationEntry_t& aEntry, TJavaRegistryEntryType aType) :

        iEntry(aEntry), iType(aType)

{

}

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

// CWriteableJavaRegistryEntry::~CWriteableJavaRegistryEntry

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

//

EXPORT_C CWriteableJavaRegistryEntry::~CWriteableJavaRegistryEntry()

{

    iAttributes.ResetAndDestroy();

    iCertificates.ResetAndDestroy();

    if (iName)

    {

        delete iName;

        iName = NULL;

    }

    if (iDrmContentId)

    {

        delete iDrmContentId;

        iDrmContentId = NULL;

    }

}

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

// CWriteableJavaRegistryEntry::Uid

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

//

EXPORT_C TUid CWriteableJavaRegistryEntry::Uid() const

{

    JELOG2(EJavaStorage);

    TUid uid;

    wstring value;

    EntryAttributeValue(iEntry, ID, value);

    if (value.size() > 0)

    {

        java::util::Uid omjUid(value);

        TInt err = uidToTUid(omjUid, uid);

        if (KErrNone != err)

        {

            ELOG1(EJavaStorage, "Uid to TUid conversion failed: %d", err);

            uid = TUid::Null();

        }

    }

    else

    {

        uid = TUid::Null();

    }

    return uid;

}

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

// CWriteableJavaRegistryEntry::Name

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

//

EXPORT_C const TDesC& CWriteableJavaRegistryEntry::Name() const

{

    JELOG2(EJavaStorage);

    if (!iName)

    {

        wstring value = L"";

        if (EMidp2MidletSuite == iType)

        {

            EntryAttributeValue(iEntry, PACKAGE_NAME, value);

        }

        else  // Application

        {

            EntryAttributeValue(iEntry, NAME, value);

        }

        if (value.size() > 0)

        {

            iName = wstringToBuf(value);

        }

        else

        {

            return KNullDesC;

        }

    }

    return *iName;

}

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

// CWriteableJavaRegistryEntry::Type

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

//

EXPORT_C Java::TJavaRegistryEntryType CWriteableJavaRegistryEntry::

Type() const

{

    return iType;

}

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

// CWriteableJavaRegistryEntry::Drive

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

//

EXPORT_C TDriveNumber CWriteableJavaRegistryEntry::Drive() const

{

    JELOG2(EJavaStorage);

    wstring value = L"";

    if (EMidp2MidletSuite == iType)

    {

        EntryAttributeValue(iEntry, ROOT_PATH, value);

    }

    else  // Application

    {

        EntryAttributeValue(iEntry, PACKAGE_ID, value);

        java::util::Uid suiteUid(value);

        JavaStorageApplicationEntry_t suiteEntry;

        StorageEntry(suiteUid, APPLICATION_PACKAGE_TABLE, suiteEntry);

        EntryAttributeValue(suiteEntry, ROOT_PATH, value);

        suiteEntry.clear();

    }

    // Original implementation returns EDriveC in a case of failure.

    TInt driveNumber = EDriveC;

    if (value.size() > 0)

    {

        wstring::size_type start = 0;

        wstring::size_type end = 1;

        char* driveLetter = 0;

        try

        {

            driveLetter =  JavaCommonUtils::wstringToUtf8(

                               value.substr(start, end));

            TInt err = RFs::CharToDrive(driveLetter[0], driveNumber);

            if (KErrNone != err)

            {

                WLOG2(EJavaStorage,

                      "Drive number conversion fault: %d. Letter: %c",

                      err, driveLetter[0]);

            }

            delete[] driveLetter;

        }

        catch (ExceptionBase& e)

        {

            ELOG1WSTR(

                EJavaStorage,

                "Drive letter UTF-8 conversion failed for string: %s",

                value.substr(start, end));

        }

    }

    return (TDriveNumber) driveNumber;

}

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

// CWriteableJavaRegistryEntry::NumberOfCertificateChains

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

//

EXPORT_C TInt CWriteableJavaRegistryEntry::NumberOfCertificateChains() const

{

    JELOG2(EJavaStorage);

    if (iCertificates.Count() == 0)

    {

        PopulateCertChains();

    }

    return iCertificates.Count();

}

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

// CWriteableJavaRegistryEntry::CertificateChain

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

//

EXPORT_C const TDesC8& CWriteableJavaRegistryEntry::

CertificateChain(TInt aIndex) const

{

    JELOG2(EJavaStorage);

    if (iCertificates.Count() == 0)

    {

        PopulateCertChains();

    }

    if (aIndex < 0 || iCertificates.Count() <= aIndex)

    {

        return KNullDesC8;

    }

    return *(iCertificates[aIndex]);

}

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

// CWriteableJavaRegistryEntry::DrmContentId

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

//

EXPORT_C const TDesC& CWriteableJavaRegistryEntry::DrmContentId() const

{

    JELOG2(EJavaStorage);

    if (!iDrmContentId)

    {

        wstring value = L"";

        if (EMidp2MidletSuite == iType)

        {

            EntryAttributeValue(iEntry, CONTENT_ID, value);

        }

        else  // Application

        {

            EntryAttributeValue(iEntry, PACKAGE_ID, value);

            java::util::Uid suiteUid(value);

            JavaStorageApplicationEntry_t suiteEntry;

            StorageEntry(suiteUid, APPLICATION_PACKAGE_TABLE, suiteEntry);

            EntryAttributeValue(suiteEntry, CONTENT_ID, value);

            suiteEntry.clear();

        }

        if (value.size() > 0)

        {

            iDrmContentId = wstringToBuf(value);

        }

        else

        {

            return KNullDesC;

        }

    }

    return *iDrmContentId;

}

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

// CWriteableJavaRegistryEntry::AttributeL

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

//

EXPORT_C const MJavaAttribute* CWriteableJavaRegistryEntry::

AttributeL(const TDesC& aName) const

{

    JELOG2(EJavaStorage);

    if (0 == aName.Size())

    {

        ELOG(EJavaStorage, "Empty attribute name");

        User::Leave(KErrArgument);

    }

    // If attributes are not already read. These are manifest attributes

    // and they are not updated unless application suite is re-installed.

    if (iAttributes.Count() == 0)

    {

        AttributesL();

    }

    for (TInt i = 0; i < iAttributes.Count(); i++)

    {

        if (0 == (iAttributes[i])->Name().Compare(aName))

        {

            return iAttributes[i];

        }

    }

    return NULL;

}

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

// CWriteableJavaRegistryEntry::AttributesL

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

//

EXPORT_C const RPointerArray<MJavaAttribute>&

CWriteableJavaRegistryEntry::AttributesL() const

{

    JELOG2(EJavaStorage);

    // If attributes are already read. These are manifest attributes and they

    // are not updated unless application suite is reinstalled.

    if (iAttributes.Count() > 0)

    {

        return iAttributes;

    }

    wstring value = L"";

    JavaStorageApplicationList_t attributeList;

    if (EMidp2MidletSuite == iType)

    {

        EntryAttributeValue(iEntry, ID, value);

    }

    else  // Application

    {

        // Get suiteID where application belongs to.

        EntryAttributeValue(iEntry, PACKAGE_ID, value);

    }

    ReadAttributesL(value, attributeList);

    if (attributeList.size() != 0)

    {

        // Populate attributes

        JavaStorageApplicationList_t::const_iterator attrIter;

        JavaStorageEntry attr;

        CJavaAttribute* regAttr = NULL;

        wstring attrName = L"";

        wstring attrValue = L"";

        wstring attrTrusted = L"";

        for (attrIter = attributeList.begin();

                attrIter != attributeList.end();

                ++attrIter)

        {

            EntryAttributeValue((*attrIter), NAME, attrName);

            EntryAttributeValue((*attrIter), VALUE, attrValue);

            EntryAttributeValue((*attrIter), TRUSTED, attrTrusted);

            if (attrValue.size() > 0 && attrName.size() > 0)

            {

                auto_ptr<HBufC> nameBuf(wstringToBuf(attrName));

                auto_ptr<HBufC> valueBuf(wstringToBuf(attrValue));

                TBool trusted = EFalse;

                if (attrTrusted == L"1")

                {

                    trusted = ETrue;

                }

                regAttr = CJavaAttribute::NewL(

                              nameBuf->Des(), valueBuf->Des(), trusted);

                nameBuf.reset(0);

                valueBuf.reset(0);

                attrName.clear();

                attrValue.clear();

                attrTrusted.clear();

            }

            // else CJavaAttribute cannot be constructed with empty values.

            // Using same logic it does not exists if value is not set.

        }

    }

    return iAttributes;

}

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

// CWriteableJavaRegistryEntry::ConstructL

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

//

EXPORT_C void CWriteableJavaRegistryEntry::

ConstructL(Java::TJavaRegistryEntryType aType)

{

    JELOG2(EJavaStorage);

    iType = aType;

}

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

// CWriteableJavaRegistryEntry::ReadAttributesL

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

//

void CWriteableJavaRegistryEntry::ReadAttributesL(const wstring& aUid,

        JavaStorageApplicationList_t& aAttributes) const

{

    JavaStorageApplicationEntry_t searchQuery;

    JavaStorageEntry attr;

    attr.setEntry(ID, aUid);

    searchQuery.insert(attr);

    try

    {

        auto_ptr<JavaStorage> js(JavaStorage::createInstance());

        js->open();

        js->search(APPLICATION_PACKAGE_ATTRIBUTES_TABLE, searchQuery, aAttributes);

        js->close();

        js.reset(0);

        searchQuery.clear();

    }

    catch (JavaStorageException& aJse)

    {

        ELOG1(EJavaStorage, "Attributes read failed: %d", aJse.mStatus);

        User::Leave(aJse.mStatus);

    }

}

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

// CWriteableJavaRegistryEntry::EntryAttributeValue

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

//

void CWriteableJavaRegistryEntry::EntryAttributeValue(

    const JavaStorageApplicationEntry_t& aEntry,

    const wstring& aName,

    wstring& aValue) const

{

    JavaStorageEntry attr;

    attr.setEntry(aName, L"");

    JavaStorageApplicationEntry_t::const_iterator finder = aEntry.find(attr);

    if (finder != aEntry.end())

    {

        aValue = (*finder).entryValue();

    }

    else

    {

        LOG(EJavaStorage, EInfo, "Entry attribute value not found");

        aValue = L"";

    }

}

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

// CWriteableJavaRegistryEntry::StorageEntry

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

//

void CWriteableJavaRegistryEntry::StorageEntry(

    const java::util::Uid& aUid,

    const string& aTableName,

    JavaStorageApplicationEntry_t& aStorageEntry) const

{

    try

    {

        auto_ptr<JavaStorage> js(JavaStorage::createInstance());

        js->open();

        js->read(aTableName, aUid, aStorageEntry);

        js->close();

        js.reset(0);

    }

    catch (JavaStorageException& jse)

    {

        ELOG1(EJavaStorage, "Read failed: %s ",

              jse.toString().c_str());

    }

}

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

// CWriteableJavaRegistryEntry::PopulateCertChains

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

//

void CWriteableJavaRegistryEntry::PopulateCertChains() const

{

    auto_ptr<java::security::MIDPAuthenticationModule>authModule(

        java::security::MIDPAuthenticationModule::createInstance());

    wstring value = L"";

    if (EMidp2MidletSuite == iType)

    {

        EntryAttributeValue(iEntry, ID, value);

    }

    else  // Application

    {

        EntryAttributeValue(iEntry, PACKAGE_ID, value);

    }

    java::util::Uid suiteUid(value);

    std::list<std::string> chains;

    authModule->getCertChains(suiteUid, chains);

    list<string>::const_iterator iter;

    for (iter = chains.begin(); iter != chains.end(); ++iter)

    {

        if ((*iter).size() > 0)

        {

            string decoded = (*iter);

            HBufC8* decodedBuf = HBufC8::New(decoded.size());

            TPtr8 decodedBufPtr(decodedBuf->Des());

            decodedBufPtr.Append(

                ((const TUint8*)decoded.c_str()), decoded.size());

            iCertificates.Append(decodedBuf);

        }

    }

    chains.clear();

}