author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Wed, 13 Oct 2010 14:23:59 +0300 | |
branch | RCL_3 |
changeset 83 | 26b2b12093af |
parent 66 | 2455ef1f5bbc |
permissions | -rw-r--r-- |
66 | 1 |
/* |
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* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: CManifestReader implementation file |
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* |
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*/ |
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#include <caf/content.h> |
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#include <zipfile.h> |
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#include <utf.h> |
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#include <e32cmn.h> |
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#include <javaattribute.h> |
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#include "appmngr2midletmanifestreader.h" |
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#include "logger.h" // LOG |
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const TInt KAllRead = -1; |
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const TInt KAttributeMinSize = 3; |
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const TInt KFilePrefix = 4; |
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_LIT(KManifestEntryName, "META-INF/MANIFEST.MF"); |
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const TUint32 LF = 10; |
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const TUint32 CR = 13; |
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const TUint32 SP = 32; |
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const TUint32 COLON = 58; |
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AppMngr2MidletManifestReader::AppMngr2MidletManifestReader(RFs& aFs) : |
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mFs(aFs), mSessionOpen(false) |
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{ |
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} |
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AppMngr2MidletManifestReader::~AppMngr2MidletManifestReader() |
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{ |
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// Close the file session (if opened by ManifestReader) |
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if (mSessionOpen) |
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{ |
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mFs.Close(); |
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} |
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} |
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void AppMngr2MidletManifestReader::ReadManifestL( |
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const TDesC& aManifestFile, |
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RPointerArray<MJavaAttribute>& aAttributes) |
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{ |
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if (mManifestContent.get()) |
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{ |
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mManifestContent.reset(0); |
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} |
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ContentL(aManifestFile); |
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ReadAttributesL(aAttributes); |
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} |
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void AppMngr2MidletManifestReader::ReadAttributesL( |
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RPointerArray<MJavaAttribute>& aAttributes) |
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{ |
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TPtr16 contentPtr(mManifestContent->Des()); |
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//remove white space from the beginning of the file |
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contentPtr.TrimLeft(); |
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TInt attributeIndex = -1; |
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// Continue until new line is found and manifest content is more than 3. |
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// It can't be shorter than a:b\n. Actually spec specifies that it must be 'a: b\n' |
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// that makes four but for the robustness as also user inserted variables |
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// are read. Parameter can be e.g. either TestCase1:myCase or TestCase1: myCase. |
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while ((attributeIndex = ReadLineIndexL(EFalse)) != KAllRead) |
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{ |
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HBufC16* attribute = contentPtr.Left(attributeIndex).AllocLC(); |
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TPtr16 attributePtr(attribute->Des()); |
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attributePtr.Trim(); |
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TInt colonIndex = attributePtr.Locate(COLON); |
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// Invalid attribute. Name not found |
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if (KErrNotFound == colonIndex) |
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{ |
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ELOG(EJavaAppMngrPlugin, "MF parsing failed: No attribute name defined"); |
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//User::Leave(KJavaParseNameAttributeMissing); |
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User::Leave(KErrArgument); |
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} |
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// Implementation expects that attribute name fits to first line. |
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HBufC16* name = attributePtr.Left(colonIndex).AllocLC(); |
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TPtr16 namePtr(name->Des()); |
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namePtr.Trim(); |
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ValidateAttributeNameL(namePtr); |
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// Rest of the manifest data can be continuational value. |
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HBufC16* value = HBufC16::NewLC(contentPtr.Length()); |
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TPtr16 valuePtr(value->Des()); |
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// Skip colon |
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valuePtr.Append(attributePtr.Mid(colonIndex + 1)); |
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valuePtr.Trim(); |
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ReadContinuationLineL(valuePtr, contentPtr, attributeIndex); |
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// If manifest attribute value is not defined attribute is |
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// skipped and it is not returned to caller. |
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if (valuePtr.Length() > 0) |
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{ |
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CJavaAttribute* javaAttribute |
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= CJavaAttribute::NewL(namePtr, valuePtr, EFalse); |
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83
26b2b12093af
Revision: v2.2.17
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
66
diff
changeset
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aAttributes.Append(javaAttribute); |
66 | 123 |
} |
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CleanupStack::PopAndDestroy(value); |
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CleanupStack::PopAndDestroy(name); |
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CleanupStack::PopAndDestroy(attribute); |
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// Delete already handled attribute from the buffer. |
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// Content is read until the enter and it must be deleted to reach next one. |
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contentPtr.Delete(0, attributeIndex + 1); |
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contentPtr.TrimLeft(); |
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} |
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} |
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void AppMngr2MidletManifestReader::ContentL(const TDesC& aManifestFileName) |
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{ |
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RFile file; |
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TInt err = file.Open(mFs, |
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aManifestFileName, |
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EFileStream | EFileShareAny | EFileRead); |
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User::LeaveIfError(err); |
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CleanupClosePushL(file); |
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std::auto_ptr<HBufC8>fileStart(HBufC8::NewL(KFilePrefix)); |
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TPtr8 fileStartPtr(fileStart->Des()); |
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std::auto_ptr<HBufC16>filePrefix(HBufC16::NewL(KFilePrefix)); |
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TPtr16 filePrefixPtr(filePrefix->Des()); |
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err = file.Read(fileStartPtr, KFilePrefix); |
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User::LeaveIfError(err); |
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err = CnvUtfConverter::ConvertToUnicodeFromUtf8( |
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filePrefixPtr, fileStartPtr); |
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if (KErrNone != err) |
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{ |
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ELOG1(EJavaAppMngrPlugin, "MF UTF-8 to unicode conversion failed: %d", err); |
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// User::Leave(KJavaErrNoneUTF8); |
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User::Leave(KErrArgument); |
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} |
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if (fileStartPtr.Length() < KFilePrefix) |
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{ |
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ELOG(EJavaAppMngrPlugin, "Not enough content at manifest file"); |
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// User::Leave(KJavaErrInvalidManifest); |
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User::Leave(KErrArgument); |
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} |
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// Check from CAF if file is DRM protected. |
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TBool drmProtected = EFalse; |
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std::auto_ptr<ContentAccess::CContent>content( |
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ContentAccess::CContent::NewL(file)); |
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err = content->GetAttribute(ContentAccess::EIsProtected, drmProtected); |
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if (KErrNone != err) |
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{ |
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ELOG1(EJavaAppMngrPlugin, "DRM protection check failed: %d", err); |
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User::Leave(KErrArgument); |
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} |
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// Detect JAR package. JAR is either a DRM protected file or a ZIP file. |
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// ZIP file has PK\003\004 prefix. |
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if (drmProtected |
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|| (filePrefixPtr[0] == 0x50 |
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&& filePrefixPtr[1] == 0x4B |
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&& filePrefixPtr[2] == 0x03 |
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&& filePrefixPtr[3] == 0x04)) |
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{ |
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ReadManifestContentFromPackageL(file); |
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} |
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else |
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{ |
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// Plain manifest file |
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ReadManifestContentL(file); |
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} |
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CleanupStack::PopAndDestroy(&file); |
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} |
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void AppMngr2MidletManifestReader::ReadManifestContentL(RFile& aManifestFile) |
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{ |
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// Reads the entire file into a heap descriptor. Use the content |
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// access framework to access the manifest. |
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ContentAccess::CContent* content |
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= ContentAccess::CContent::NewLC(aManifestFile); |
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ContentAccess::CData* manifestFile |
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= content->OpenContentL(ContentAccess::EPeek); |
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CleanupStack::PushL(manifestFile); |
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HBufC8* manifestFileData = ReadRawManifestFileL(*manifestFile); |
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TPtr8 ptr(manifestFileData->Des()); |
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CleanupStack::PopAndDestroy(manifestFile); |
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CleanupStack::PopAndDestroy(content); |
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CleanupStack::PushL(manifestFileData); |
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mManifestContent.reset(HBufC16::NewL(ptr.Size())); |
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TPtr16 ucsPtr(mManifestContent->Des()); |
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TInt err = CnvUtfConverter::ConvertToUnicodeFromUtf8(ucsPtr, ptr); |
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if (KErrNone != err) |
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{ |
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ELOG1(EJavaAppMngrPlugin, "MF UTF-8 to unicode conversion failed: %d", err); |
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//User::Leave(KJavaErrNoneUTF8); |
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User::Leave(KErrArgument); |
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} |
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CleanupStack::PopAndDestroy(manifestFileData); |
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} |
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HBufC8* AppMngr2MidletManifestReader::ReadRawManifestFileL( |
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ContentAccess::CData& aManifestFile) |
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{ |
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// Reads size of file |
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TInt manifestSize; |
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aManifestFile.DataSizeL(manifestSize); |
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// allocates buffer for file contents, if this is too big and device runs |
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// out of memory function will leave. Do not really care about this as file |
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// was unlikely to have been a manifest file at all. |
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HBufC8* manifestFileData = HBufC8::NewMaxLC(manifestSize); |
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TPtr8 manifestFileDataPtr(manifestFileData->Des()); |
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// Now read the manifest file |
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User::LeaveIfError(aManifestFile.Read(manifestFileDataPtr, manifestSize)); |
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CleanupStack::Pop(manifestFileData); |
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return manifestFileData; |
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} |
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void AppMngr2MidletManifestReader::ReadManifestContentFromPackageL( |
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RFile& aPackageFile) |
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{ |
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CZipFile* zipFile = CZipFile::NewL(mFs, aPackageFile); |
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CleanupStack::PushL(zipFile); |
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// Seek manifest file |
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CZipFileMember* zippedFile = |
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zipFile->CaseSensitiveOrCaseInsensitiveMemberL(KManifestEntryName()); |
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if (!zippedFile) |
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{ |
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ELOG(EJavaAppMngrPlugin, "Package is missing manifest"); |
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//User::LeaveIfError(KJavaErrMissingManifest); |
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User::Leave(KErrArgument); |
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} |
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CleanupStack::PushL(zippedFile); |
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TUint uncompressedSize = zippedFile->UncompressedSize(); |
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if ((TUint)uncompressedSize>=(KMaxTInt/2)) |
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{ |
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ELOG(EJavaAppMngrPlugin, "Invalid manifest"); |
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//User::Leave(KJavaErrInvalidManifest); |
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User::Leave(KErrArgument); |
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} |
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HBufC8* resultData = HBufC8::NewLC(uncompressedSize); |
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RZipFileMemberReaderStream* zippedStream = 0; |
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TInt err = zipFile->GetInputStreamL(zippedFile, zippedStream); |
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User::LeaveIfError(err); |
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CleanupStack::PushL(zippedStream); |
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TPtr8 ptr(resultData->Des()); |
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User::LeaveIfError(zippedStream->Read(ptr, uncompressedSize)); |
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CleanupStack::PopAndDestroy(zippedStream); |
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mManifestContent.reset(HBufC16::NewL(uncompressedSize)); |
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TPtr16 ucsPtr(mManifestContent->Des()); |
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err = CnvUtfConverter::ConvertToUnicodeFromUtf8(ucsPtr, ptr); |
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if (KErrNone != err) |
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{ |
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ELOG1(EJavaAppMngrPlugin, "UTF-8 to unicode conversion failed: %d", err); |
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//User::Leave(KJavaErrNoneUTF8); |
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User::Leave(KErrArgument); |
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} |
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CleanupStack::PopAndDestroy(resultData); |
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CleanupStack::PopAndDestroy(zippedFile); |
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CleanupStack::PopAndDestroy(zipFile); |
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} |
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||
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TInt AppMngr2MidletManifestReader::ReadLineIndexL(TBool aContinuation) |
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{ |
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TPtr16 contentPtr(mManifestContent->Des()); |
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if (contentPtr.Length() < KAttributeMinSize) |
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{ |
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// EOF. This covers also case where all rest of the data |
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// was whitespace characters trimmed were trimmed off before |
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// going to next line. |
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return KAllRead; |
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} |
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||
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TInt attributeIndex = contentPtr.Locate(LF); |
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TInt tmp = contentPtr.Locate(CR); |
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// New line can be CR LF | LF | CR. Let's take |
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// the first appearance of new line character. |
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if ((tmp < attributeIndex && tmp != KErrNotFound) |
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|| attributeIndex == KErrNotFound) |
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{ |
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// This covers also new line indicated only with CR. |
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attributeIndex = tmp; |
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} |
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||
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if (KErrNotFound == attributeIndex && KErrNotFound == tmp) |
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{ |
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// Check if no enter after last line |
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if (contentPtr.Length() > KAttributeMinSize) |
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{ |
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attributeIndex = contentPtr.Length(); |
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} |
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else |
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336 |
{ |
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ELOG(EJavaAppMngrPlugin, "No attribute found"); |
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//User::Leave(KJavaErrInvalidManifest); |
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User::Leave(KErrArgument); |
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} |
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} |
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else if ((attributeIndex < KAttributeMinSize) && !aContinuation) |
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{ |
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// Minimum parameter length is 4 e.g. 'a: b\n' or 'a:b\n' |
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// This is a bit more robust than manifest specification as |
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// it expects nameCOLONSPACEvalue format. |
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ELOG(EJavaAppMngrPlugin, "Invalid attribute"); |
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//User::Leave(KJavaErrInvalidManifest); |
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User::Leave(KErrArgument); |
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} |
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else if (attributeIndex <= 0) |
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{ |
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// Minimum continuation parameter length is 1 e.g. 'a\n' |
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ELOG(EJavaAppMngrPlugin, "Invalid continuation attribute"); |
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//User::Leave(KJavaErrInvalidManifest); |
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User::Leave(KErrArgument); |
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} |
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return attributeIndex; |
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} |
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void AppMngr2MidletManifestReader::ReadContinuationLineL(TDes16& aValue, |
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TDes& aContent, |
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TInt& aIndex) |
|
365 |
{ |
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366 |
TBool continuation = ETrue; |
|
367 |
||
368 |
while (continuation) |
|
369 |
{ |
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370 |
if (aContent.Length() <= aIndex + 2) |
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{ |
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// Last line |
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continuation = EFalse; |
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} |
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// Continuation can be CR LF SPACE | LF SPACE | CR SPACE |
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else if ((aContent[ aIndex ] == CR |
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&& aContent[ aIndex + 1 ] == LF |
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&& aContent[ aIndex + 2 ] == SP) |
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|| |
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380 |
(aContent[ aIndex ] == CR |
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381 |
&& aContent[ aIndex + 1 ] == SP) |
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|| |
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383 |
(aContent[ aIndex ] == LF |
|
384 |
&& aContent[ aIndex + 1 ] == SP)) |
|
385 |
{ |
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386 |
// Clean previous entry. |
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aContent.Delete(0, aIndex + 1); |
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||
389 |
// Delete continuation indicator. Trim cannot be used here. If continuation |
|
390 |
// starts with SP it will be trimmed out and that must be prevented. |
|
391 |
||
392 |
// CR SP or LF SP case |
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393 |
if (aContent[0] == SP) |
|
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{ |
|
395 |
if ((aContent.Length() > 1) && |
|
396 |
(aContent[1] != CR) && (aContent[1] != LF)) |
|
397 |
{ |
|
398 |
aContent.Delete(0, 1);//for Manifest i JAD |
|
399 |
} |
|
400 |
} |
|
401 |
// CR LF SP case |
|
402 |
else |
|
403 |
{ |
|
404 |
if ((aContent.Length() > 2) && |
|
405 |
(aContent[2] != CR) && (aContent[2] != LF)) |
|
406 |
{ |
|
407 |
aContent.Delete(0, 2);//for Manifest i JAD |
|
408 |
} |
|
409 |
else |
|
410 |
{ |
|
411 |
aContent.Delete(0, 1);//for Manifest i JAD |
|
412 |
} |
|
413 |
} |
|
414 |
||
415 |
aIndex = ReadLineIndexL(ETrue); |
|
416 |
if (aIndex != KAllRead) |
|
417 |
{ |
|
418 |
// Do not append whitespace combination. Only content. |
|
419 |
aValue.Append(aContent.Left(aIndex)); |
|
420 |
aValue.TrimRight(); |
|
421 |
} |
|
422 |
else |
|
423 |
{ |
|
424 |
// Can't be continuation if all read. Not leaving |
|
425 |
// as last line can easilly contain unnecessary SPACEs. |
|
426 |
continuation = EFalse; |
|
427 |
} |
|
428 |
} |
|
429 |
else |
|
430 |
{ |
|
431 |
continuation = EFalse; |
|
432 |
} |
|
433 |
} |
|
434 |
} |
|
435 |
||
436 |
void AppMngr2MidletManifestReader::ValidateAttributeNameL(TDesC16& aName) |
|
437 |
{ |
|
438 |
if (aName.Length() == 0) |
|
439 |
{ |
|
440 |
ELOG(EJavaAppMngrPlugin, "Invalid attribute name"); |
|
441 |
// User::Leave(KJavaParseInvalidAttributeName); |
|
442 |
User::Leave(KErrArgument); |
|
443 |
} |
|
444 |
TLex lexer(aName); |
|
445 |
TChar ch; |
|
446 |
||
447 |
// Manifest name cannot start with - and _ chars. |
|
448 |
ch = lexer.Get(); |
|
449 |
||
450 |
if (ch == '_' || ch == '-') |
|
451 |
{ |
|
452 |
ELOG(EJavaAppMngrPlugin, "Invalid attribute name start"); |
|
453 |
//User::Leave(KJavaParseInvalidAttributeName); |
|
454 |
User::Leave(KErrArgument); |
|
455 |
||
456 |
} |
|
457 |
||
458 |
lexer.UnGet(); |
|
459 |
||
460 |
while ((ch = lexer.Get()) != '\0') |
|
461 |
{ |
|
462 |
// Allowed chars: {A-Z} | {a-z} | {0-9} | - | _ |
|
463 |
if (!('0' <= ch && ch <= '9') |
|
464 |
&& !(ch >= 'a' && ch <= 'z') |
|
465 |
&& !(ch >= 'A' && ch <= 'Z') |
|
466 |
&& !('-' == ch) |
|
467 |
&& !('_' == ch) |
|
468 |
&& !('.' == ch)) |
|
469 |
{ |
|
470 |
ELOG(EJavaAppMngrPlugin, "Invalid attribute name"); |
|
471 |
//User::Leave(KJavaParseInvalidAttributeName); |
|
472 |
User::Leave(KErrArgument); |
|
473 |
} |
|
474 |
} |
|
475 |
} |