CBuffer* CDownloadTask::IsPreviewAnswerValid() const
{
if ( m_nTask != dtaskPreviewRequest || ! m_pRequest->IsFinished() )
return NULL;
m_pRequest->GetStatusCode();
if ( m_pRequest->GetStatusSuccess() == FALSE )
{
theApp.Message( MSG_DEBUG, L"Preview failed: HTTP status code %i", m_pRequest->GetStatusCode() );
return NULL;
}
CString strURN = m_pRequest->GetHeader( L"X-Previewed-URN" );
if ( ! strURN.IsEmpty() )
{
Hashes::Sha1Hash oSHA1;
bool bValid = true;
if ( m_pDownload )
{
if ( oSHA1.fromUrn( strURN ) && validAndUnequal( oSHA1, m_pDownload->m_oSHA1 ) )
bValid = false;
}
else
{
CSingleLock oLock( &Library.m_pSection, TRUE );
CLibraryFile* pFile = LibraryMaps.LookupFileBySHA1( oSHA1 );
if ( pFile == NULL )
bValid = false;
oLock.Unlock();
}
if ( ! bValid )
{
theApp.Message( MSG_DEBUG, L"Preview failed: wrong URN." );
return NULL;
}
}
CString strMIME = m_pRequest->GetHeader( L"Content-Type" );
if ( strMIME.CompareNoCase( L"image/jpeg" ) != 0 )
{
theApp.Message( MSG_DEBUG, L"Preview failed: unacceptable content type." );
return NULL;
}
return m_pRequest->GetResponseBuffer();
}
BOOL CDownloadTransferED2K::OnHashsetAnswer(CEDPacket* pPacket)
{
if ( m_nState != dtsHashset ) return TRUE;
if ( pPacket->GetRemaining() < Hashes::Ed2kHash::byteCount + 2 )
{
theApp.Message( MSG_ERROR, IDS_ED2K_CLIENT_BAD_PACKET, (LPCTSTR)m_sAddress, pPacket->m_nType );
Close( TRI_FALSE );
return FALSE;
}
Hashes::Ed2kHash oED2K;
pPacket->Read( oED2K );
if ( validAndUnequal( oED2K, m_pDownload->m_oED2K ) )
{
return TRUE; // Hack
// theApp.Message( MSG_ERROR, IDS_DOWNLOAD_HASHSET_ERROR, (LPCTSTR)m_sAddress );
// Close( TRI_FALSE );
// return FALSE;
}
m_bHashset = TRUE;
DWORD nBlocks = pPacket->ReadShortLE();
bool bNullBlock = ( m_pDownload->m_nSize % ED2K_PART_SIZE == 0 && m_pDownload->m_nSize );
QWORD nBlocksFromSize = ( m_pDownload->m_nSize + ED2K_PART_SIZE - 1 ) / ED2K_PART_SIZE;
if ( bNullBlock )
nBlocksFromSize++;
if ( nBlocks == 0 ) nBlocks = 1;
if ( nBlocks != nBlocksFromSize )
{
theApp.Message( MSG_ERROR, IDS_DOWNLOAD_HASHSET_ERROR, (LPCTSTR)m_sAddress );
}
else if ( m_pDownload->SetHashset( pPacket->m_pBuffer + pPacket->m_nPosition,
pPacket->GetRemaining() ) )
{
return SendSecondaryRequest();
}
Close( TRI_FALSE );
return FALSE;
}
CBuffer* CDownloadTask::IsPreviewAnswerValid(const Hashes::Sha1Hash& oRequestedSHA1) const
{
if ( m_nTask != dtaskPreviewRequest || ! m_pRequest->IsFinished() )
return NULL;
m_pRequest->GetStatusCode();
if ( m_pRequest->GetStatusSuccess() == FALSE )
{
theApp.Message( MSG_DEBUG, L"Preview failed: HTTP status code %i", m_pRequest->GetStatusCode() );
return NULL;
}
const CString strURN = m_pRequest->GetHeader( L"X-Previewed-URN" );
if ( ! strURN.IsEmpty() )
{
Hashes::Sha1Hash oSHA1;
if ( oSHA1.fromUrn( strURN ) )
{
if ( oRequestedSHA1 && validAndUnequal( oSHA1, oRequestedSHA1 ) )
{
theApp.Message( MSG_DEBUG, L"Preview failed: Wrong URN." );
return NULL;
}
else if ( ! LibraryMaps.LookupFileBySHA1( oSHA1 ) )
{
theApp.Message( MSG_DEBUG, L"Preview failed: Not Found." );
return NULL;
}
}
}
const CString strMIME = m_pRequest->GetHeader( L"Content-Type" );
if ( strMIME.CompareNoCase( L"image/jpeg" ) != 0 )
{
theApp.Message( MSG_DEBUG, L"Preview failed: Unacceptable content type." );
return NULL;
}
return m_pRequest->GetResponseBuffer();
}
BOOL CDownloadTransferED2K::OnCompressedPart(CEDPacket* pPacket)
{
if ( pPacket->GetRemaining() <= Hashes::Ed2kHash::byteCount + 8 )
{
theApp.Message( MSG_ERROR, IDS_ED2K_CLIENT_BAD_PACKET, (LPCTSTR)m_sAddress, pPacket->m_nType );
Close( TRI_FALSE );
return FALSE;
}
Hashes::Ed2kHash oED2K;
pPacket->Read( oED2K );
if ( validAndUnequal( oED2K, m_pDownload->m_oED2K ) )
{
theApp.Message( MSG_ERROR, IDS_DOWNLOAD_WRONG_HASH, (LPCTSTR)m_sAddress, (LPCTSTR)m_pDownload->GetDisplayName() );
// Close( TRI_FALSE );
// return FALSE;
return TRUE;
}
QWORD nBaseOffset = pPacket->ReadLongLE();
QWORD nBaseLength = pPacket->ReadLongLE();
z_streamp pStream = (z_streamp)m_pInflatePtr;
if ( m_pInflatePtr == NULL || m_nInflateOffset != nBaseOffset || m_nInflateLength != nBaseLength )
{
if ( pStream != NULL )
{
inflateEnd( pStream );
delete pStream;
}
m_nInflateOffset = nBaseOffset;
m_nInflateLength = nBaseLength;
m_nInflateRead = 0;
m_nInflateWritten = 0;
m_pInflateBuffer->Clear();
m_pInflatePtr = new z_stream;
pStream = (z_streamp)m_pInflatePtr;
ZeroMemory( pStream, sizeof( z_stream ) );
if ( inflateInit( pStream ) != Z_OK )
{
delete pStream;
m_pInflatePtr = NULL;
theApp.Message( MSG_ERROR, IDS_DOWNLOAD_INFLATE_ERROR, (LPCTSTR)m_pDownload->GetDisplayName() );
Close( TRI_FALSE );
return FALSE;
}
}
m_pInflateBuffer->Add( pPacket->m_pBuffer + pPacket->m_nPosition, pPacket->GetRemaining() );
auto_array< BYTE > pBuffer( new BYTE[ BUFFER_SIZE ] );
if ( m_pInflateBuffer->m_nLength > 0 && m_nInflateRead < m_nInflateLength )
{
pStream->next_in = m_pInflateBuffer->m_pBuffer;
pStream->avail_in = m_pInflateBuffer->m_nLength;
do
{
pStream->next_out = pBuffer.get();
pStream->avail_out = BUFFER_SIZE;
inflate( pStream, Z_SYNC_FLUSH );
if ( pStream->avail_out < BUFFER_SIZE )
{
QWORD nOffset = m_nInflateOffset + m_nInflateWritten;
QWORD nLength = BUFFER_SIZE - pStream->avail_out;
m_pDownload->SubmitData( nOffset, pBuffer.get(), nLength );
m_oRequested.erase( Fragments::Fragment( nOffset, nOffset + nLength ) );
m_pSource->AddFragment( nOffset, nLength, ( nOffset % ED2K_PART_SIZE ) ? TRUE : FALSE );
m_nDownloaded += nLength;
m_nInflateWritten += nLength;
}
}
while ( pStream->avail_out == 0 );
if ( pStream->avail_in < m_pInflateBuffer->m_nLength )
{
m_nInflateRead += ( m_pInflateBuffer->m_nLength - pStream->avail_in );
m_pInflateBuffer->Remove( m_pInflateBuffer->m_nLength - pStream->avail_in );
}
}
if ( m_nInflateRead >= m_nInflateLength )
{
inflateEnd( pStream );
delete pStream;
m_pInflatePtr = NULL;
m_pInflateBuffer->Clear();
}
m_pSource->SetValid();
return SendFragmentRequests();
}
BOOL CDownloadTransferED2K::OnFileStatus(CEDPacket* pPacket)
{
if ( m_nState <= dtsConnecting )
return TRUE;
if ( pPacket->GetRemaining() < Hashes::Ed2kHash::byteCount + 2 )
{
theApp.Message( MSG_ERROR, IDS_ED2K_CLIENT_BAD_PACKET, (LPCTSTR)m_sAddress, pPacket->m_nType );
Close( TRI_FALSE );
return FALSE;
}
Hashes::Ed2kHash oED2K;
pPacket->Read( oED2K );
if ( validAndUnequal( oED2K, m_pDownload->m_oED2K ) )
{
theApp.Message( MSG_ERROR, IDS_DOWNLOAD_WRONG_HASH, (LPCTSTR)m_sAddress, (LPCTSTR)m_pDownload->GetDisplayName() );
return TRUE;
}
DWORD nBlocks = pPacket->ReadShortLE();
if ( nBlocks == (DWORD)( ( m_pDownload->m_nSize + ED2K_PART_SIZE - 1 ) / ED2K_PART_SIZE ) )
{
m_pSource->m_oAvailable.clear();
delete [] m_pAvailable;
m_pAvailable = new BYTE[ nBlocks ];
ZeroMemory( m_pAvailable, nBlocks );
for ( DWORD nBlock = 0 ; nBlock < nBlocks && pPacket->GetRemaining() ; )
{
BYTE nByte = pPacket->ReadByte();
for ( int nBit = 0 ; nBit < 8 && nBlock < nBlocks ; nBit++, nBlock++ )
{
if ( nByte & ( 1 << nBit ) )
{
QWORD nFrom = ED2K_PART_SIZE * nBlock;
QWORD nTo = nFrom + ED2K_PART_SIZE;
nTo = min( nTo, m_pDownload->m_nSize );
m_pSource->m_oAvailable.insert( m_pSource->m_oAvailable.end(), Fragments::Fragment( nFrom, nTo ) );
m_pAvailable[ nBlock ] = TRUE;
}
}
}
}
else if ( nBlocks == 0 )
{
m_pSource->m_oAvailable.clear();
delete [] m_pAvailable;
m_pAvailable = NULL;
}
else
{
theApp.Message( MSG_ERROR, IDS_ED2K_CLIENT_BAD_PACKET, (LPCTSTR)m_sAddress, pPacket->m_nType );
Close( TRI_FALSE );
return FALSE;
}
SendSecondaryRequest();
return TRUE;
}
BOOL CDownloadEditPage::OnApply()
{
if ( ! UpdateData() )
return FALSE;
CString strMessage;
Hashes::Sha1Hash oSHA1;
Hashes::TigerHash oTiger;
Hashes::Ed2kHash oED2K;
Hashes::Md5Hash oMD5;
Hashes::BtHash oBTH;
oSHA1.fromString( m_sSHA1 );
oTiger.fromString( m_sTiger );
oED2K.fromString( m_sED2K );
oMD5.fromString( m_sMD5 );
oBTH.fromString( m_sBTH );
if ( ! m_sSHA1.IsEmpty() && ! oSHA1 )
{
strMessage.Format( LoadString( IDS_DOWNLOAD_EDIT_BAD_HASH ), _T("SHA1") );
MsgBox( strMessage, MB_ICONEXCLAMATION );
GetDlgItem( IDC_URN_SHA1 )->SetFocus();
return FALSE;
}
if ( ! m_sTiger.IsEmpty() && ! oTiger )
{
strMessage.Format( LoadString( IDS_DOWNLOAD_EDIT_BAD_HASH ), _T("Tiger-Root") );
MsgBox( strMessage, MB_ICONEXCLAMATION );
GetDlgItem( IDC_URN_TIGER )->SetFocus();
return FALSE;
}
if ( ! m_sED2K.IsEmpty() && ! oED2K )
{
strMessage.Format( LoadString( IDS_DOWNLOAD_EDIT_BAD_HASH ), _T("ED2K") );
MsgBox( strMessage, MB_ICONEXCLAMATION );
GetDlgItem( IDC_URN_ED2K )->SetFocus();
return FALSE;
}
if ( ! m_sMD5.IsEmpty() && ! oMD5 )
{
strMessage.Format( LoadString( IDS_DOWNLOAD_EDIT_BAD_HASH ), _T("MD5") );
MsgBox( strMessage, MB_ICONEXCLAMATION );
GetDlgItem( IDC_URN_MD5 )->SetFocus();
return FALSE;
}
if ( ! m_sBTH.IsEmpty() && ! oBTH )
{
strMessage.Format( LoadString( IDS_DOWNLOAD_EDIT_BAD_HASH ), _T("BitTorrent") );
MsgBox( strMessage, MB_ICONEXCLAMATION );
GetDlgItem( IDC_URN_BTH )->SetFocus();
return FALSE;
}
CSingleLock pLock( &Transfers.m_pSection );
if ( ! pLock.Lock( 250 ) )
return FALSE;
CDownloadSheet* pSheet = (CDownloadSheet*)GetParent();
CDownload* pDownload = pSheet->GetDownload();
if ( ! pDownload )
return CPropertyPageAdv::OnApply(); // Invalid download
bool bNeedUpdate = false;
bool bCriticalChange = false;
bNeedUpdate = pDownload->m_bSHA1Trusted ^ ( m_bSHA1Trusted == TRUE );
bNeedUpdate |= pDownload->m_bTigerTrusted ^ ( m_bTigerTrusted == TRUE );
bNeedUpdate |= pDownload->m_bED2KTrusted ^ ( m_bED2KTrusted == TRUE );
bNeedUpdate |= pDownload->m_bMD5Trusted ^ ( m_bMD5Trusted == TRUE );
bNeedUpdate |= pDownload->m_bBTHTrusted ^ ( m_bBTHTrusted == TRUE );
if ( pDownload->m_sName != m_sName )
{
pLock.Unlock();
if ( MsgBox( IDS_DOWNLOAD_EDIT_CHANGE_NAME, MB_ICONQUESTION|MB_YESNO ) != IDYES ) return FALSE; // Was IDS_DOWNLOAD_EDIT_RENAME
pLock.Lock();
pDownload = pSheet->GetDownload();
if ( ! pDownload ) return CPropertyPageAdv::OnApply();
pDownload->Rename( m_sName );
bNeedUpdate = true;
}
QWORD nNewSize = 0;
if ( _stscanf( m_sFileSize, _T("%I64u"), &nNewSize ) == 1 && nNewSize != pDownload->m_nSize )
{
pLock.Unlock();
if ( MsgBox( IDS_DOWNLOAD_EDIT_CHANGE_SIZE, MB_ICONQUESTION|MB_YESNO ) != IDYES ) return FALSE;
pLock.Lock();
pDownload = pSheet->GetDownload();
if ( ! pDownload ) return CPropertyPageAdv::OnApply();
pDownload->m_nSize = nNewSize;
pDownload->CloseTransfers();
pDownload->ClearVerification();
bCriticalChange = true;
}
SYSTEMTIME tDate;
m_wndDate.GetTime( &tDate );
if ( pDownload->m_tDate != tDate )
pDownload->m_tDate = tDate;
if ( pDownload->m_oSHA1.isValid() != oSHA1.isValid()
|| validAndUnequal( pDownload->m_oSHA1, oSHA1 ) )
{
pLock.Unlock();
strMessage.Format( LoadString( IDS_DOWNLOAD_EDIT_CHANGE_HASH ), _T("SHA1"), _T("SHA1") );
if ( MsgBox( strMessage, MB_ICONQUESTION|MB_YESNO ) != IDYES ) return FALSE;
pLock.Lock();
pDownload = pSheet->GetDownload();
if ( ! pDownload ) return CPropertyPageAdv::OnApply();
pDownload->m_oSHA1 = oSHA1;
if ( oSHA1 ) pDownload->m_bSHA1Trusted = true;
pDownload->CloseTransfers();
pDownload->ClearVerification();
bCriticalChange = true;
}
if ( pDownload->m_oTiger.isValid() != oTiger.isValid()
|| validAndUnequal( pDownload->m_oTiger, oTiger ) )
{
pLock.Unlock();
strMessage.Format( LoadString( IDS_DOWNLOAD_EDIT_CHANGE_HASH ), _T("Tiger-Root"), _T("Tiger-Root") );
if ( MsgBox( strMessage, MB_ICONQUESTION|MB_YESNO ) != IDYES ) return FALSE;
pLock.Lock();
pDownload = pSheet->GetDownload();
if ( ! pDownload ) return CPropertyPageAdv::OnApply();
pDownload->m_oTiger = oTiger;
if ( oTiger ) pDownload->m_bTigerTrusted = true;
pDownload->CloseTransfers();
pDownload->ClearVerification();
bCriticalChange = true;
}
if ( pDownload->m_oED2K.isValid() != oED2K.isValid()
|| validAndUnequal( pDownload->m_oED2K, oED2K ) )
{
pLock.Unlock();
strMessage.Format( LoadString( IDS_DOWNLOAD_EDIT_CHANGE_HASH ), _T("ED2K"), _T("ED2K") );
if ( MsgBox( strMessage, MB_ICONQUESTION|MB_YESNO ) != IDYES ) return FALSE;
pLock.Lock();
pDownload = pSheet->GetDownload();
if ( ! pDownload ) return CPropertyPageAdv::OnApply();
pDownload->m_oED2K = oED2K;
if ( oED2K ) pDownload->m_bED2KTrusted = true;
pDownload->CloseTransfers();
pDownload->ClearVerification();
bCriticalChange = true;
}
if ( pDownload->m_oMD5.isValid() != oMD5.isValid()
|| validAndUnequal( pDownload->m_oMD5, oMD5 ) )
{
pLock.Unlock();
strMessage.Format( LoadString( IDS_DOWNLOAD_EDIT_CHANGE_HASH ), _T("MD5"), _T("MD5") );
if ( MsgBox( strMessage, MB_ICONQUESTION|MB_YESNO ) != IDYES ) return FALSE;
pLock.Lock();
pDownload = pSheet->GetDownload();
if ( ! pDownload ) return CPropertyPageAdv::OnApply();
pDownload->m_oMD5 = oMD5;
if ( oMD5 ) pDownload->m_bMD5Trusted = true;
pDownload->CloseTransfers();
pDownload->ClearVerification();
bCriticalChange = true;
}
if ( pDownload->m_oBTH.isValid() != oBTH.isValid()
|| validAndUnequal( pDownload->m_oBTH, oBTH ) )
{
pLock.Unlock();
strMessage.Format( LoadString( IDS_DOWNLOAD_EDIT_CHANGE_HASH ), _T("BitTorrent"), _T("BitTorrent") );
if ( MsgBox( strMessage, MB_ICONQUESTION|MB_YESNO ) != IDYES ) return FALSE;
pLock.Lock();
pDownload = pSheet->GetDownload();
if ( ! pDownload ) return CPropertyPageAdv::OnApply();
pDownload->m_oBTH = oBTH;
if ( oBTH ) pDownload->m_bBTHTrusted = true;
pDownload->CloseTransfers();
pDownload->ClearVerification();
bCriticalChange = true;
}
pDownload->m_bSHA1Trusted = m_bSHA1Trusted != FALSE;
pDownload->m_bTigerTrusted = m_bTigerTrusted != FALSE;
pDownload->m_bED2KTrusted = m_bED2KTrusted != FALSE;
pDownload->m_bMD5Trusted = m_bMD5Trusted != FALSE;
pDownload->m_bBTHTrusted = m_bBTHTrusted != FALSE;
if ( bCriticalChange )
{
pDownload->CloseTransfers();
pDownload->ClearSources();
pDownload->ClearFailedSources();
pDownload->ClearVerification();
bNeedUpdate = true;
}
if ( bNeedUpdate )
pDownload->SetModified();
return CPropertyPageAdv::OnApply();
}
