// ----------------------------------------------------------------------------
// WidgetPreferences::SetPreferenceL
// set Preference for a key
//
//
// ----------------------------------------------------------------------------
void WidgetPreferences::setPreferenceL( const TDesC& akey, const TDesC& avalue)
{
if ( !m_basepath || (m_basepath->Length() <= 0) )
return;
if ( akey.Length() <= KMaxKeyValueSize ) {
HBufC* k = HBufC::NewLC( akey.Length() + KMaxIntLength + 1 );
k->Des().Format( KKeyFormat, m_widgetid, &akey );
// if hash has the key and its value
// delete the old value later when the new value was successfully updated
PrefElement* prefExisting = NULL;
prefExisting = m_preferences->Find( *k );
if ( avalue.Length() <= KMaxKeyValueSize ) {
PrefElement* pref = new (ELeave) PrefElement;
CleanupStack::PushL( pref );
pref->setValueL( avalue );
pref->setValueSize( avalue.Length() );
m_preferences->InsertL( k, pref );
CleanupStack::Pop(); //pref
}
else {
// create a temp file and save the value in temp file.
// m_value member of PrefElement contains the temp file name.
RFs fs;
RFile file;
if ( fs.Connect() == KErrNone ) {
CleanupClosePushL( fs );
// create and write to file
TFileName tempFileName;
file.Temp( fs, *m_basepath, tempFileName, EFileWrite|EFileShareExclusive );
CleanupClosePushL( file );
HBufC* filePath = HBufC::NewLC( tempFileName.Length() );
TPtr fName( filePath->Des() );
fName.Append( tempFileName );
RFileWriteStream writeStream( file );
CleanupClosePushL( writeStream );
TRAPD( err,
writeStream.WriteInt32L( avalue.Length() );
writeStream.WriteL( avalue );
writeStream.CommitL(); );
// If an error occured while writing to the file, delete the temp file
// This should be the case when disk is full
if ( err != KErrNone )
{
CleanupStack::PopAndDestroy( ); //writeStream
file.Close();
fs.Delete( *filePath );
User::Leave( err );
}
// create new preference element
PrefElement* pref = new ( ELeave ) PrefElement;
CleanupStack::PushL( pref );
pref->setValueSize( avalue.Length() );
pref->setValueL( *filePath );
// update new preference element
m_preferences->InsertL( k, pref );
CleanupStack::Pop( pref );
CleanupStack::PopAndDestroy( ); //writeStream
CleanupStack::PopAndDestroy( 3 ); //filePath,file,fs
}
//
// Opens client-side sub-session for a registered script. The script session is modelled as a
// client side sub-session with a peer server side sub-session.
//
TInt RSecMgrSubSession::Open(const RSessionBase& aSession,
CScript& aScriptInfo, TPolicyID aPolicyID, const TDesC& aHashValue)
{
TIpcArgs args(aScriptInfo.ScriptID (), aPolicyID);
TInt errCode(KErrNone);
errCode = iFs.Connect();
if(errCode == KErrNone)
{
if ( KAnonymousScript==aScriptInfo.ScriptID ())
errCode = CreateSubSession (aSession, EGetTrustedUnRegScriptSession,
args);
else
errCode = CreateSubSession (aSession, EGetScriptSession, args);
if ( errCode==KErrNone)
{
// Retrieve the RFs and RFile handles from the server
TPckgBuf<TInt> fh; // sub-session (RFile) handle
TIpcArgs args(&fh);
RFile file;
CleanupClosePushL(file);
if ( KErrNone==errCode)
{
iFs.ShareProtected ();
TFileName tempDirPath;
TFileName tempPath;
iFs.PrivatePath (tempDirPath);
BaflUtils::EnsurePathExistsL (iFs, tempDirPath);
errCode = file.Temp (iFs, tempDirPath, tempPath, EFileWrite);
if ( KErrNone==errCode)
{
file.TransferToServer (args, EMsgArgOne, EMsgArgTwo);
errCode = SendReceive (EGetScriptFile, args);
if ( KErrNone==errCode)
{
RFileReadStream rfs(file);
CleanupClosePushL(rfs);
aScriptInfo.InternalizeL (rfs);
TBufC<KMaxPath> hashValue(aScriptInfo.Hash());
if(0 != hashValue.Compare(KNullDesC))
{
if(!aScriptInfo.HashMatch(aHashValue))
{
//hash check failed
errCode = KErrNotFound;
}
}
CleanupStack::PopAndDestroy(&rfs);
}
}
iFs.Delete (tempPath);
}
CleanupStack::PopAndDestroy(&file);
}
}
return errCode;
}