SaraP
70 lines
2.7 KiB
C++
70 lines
2.7 KiB
C++
/*++
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Copyright (C) 2019 3MF Consortium
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All rights reserved.
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Redistribution and use in source and binary forms, with or without modification,
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are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice, this
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list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
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ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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Abstract:
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NMR_ImportStream_Encrypted.h defines the CImportStream_Encrypted Class.
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This is a stream class for importing encrypted resources from the underlying stream and handing them
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to the proper callbacks that will decrypt the content before returning back to the consumer.
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--*/
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#ifndef NMR_IMPORTSTREAM_ENCRYPTED
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#define NMR_IMPORTSTREAM_ENCRYPTED
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#include "Common/NMR_Types.h"
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#include "Common/NMR_SecureContentTypes.h"
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#include "Common/Platform/NMR_ImportStream.h"
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#include "Common/Platform/NMR_EncryptionHeader.h"
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#include <functional>
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namespace NMR {
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class CImportStream_Encrypted : public CImportStream {
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PImportStream m_pEncryptedStream;
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ContentEncryptionDescriptor m_pDecryptContext;
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CEncryptionHeader m_header;
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public:
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CImportStream_Encrypted(PImportStream pEncryptedStream, ContentEncryptionDescriptor context);
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// Inherited via CImportStream
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virtual nfBool seekPosition(nfUint64 position, nfBool bHasToSucceed) override;
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virtual nfBool seekForward(nfUint64 bytes, nfBool bHasToSucceed) override;
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virtual nfBool seekFromEnd(nfUint64 bytes, nfBool bHasToSucceed) override;
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virtual nfUint64 readIntoBuffer(nfByte * pBuffer, nfUint64 cbTotalBytesToRead, nfBool bNeedsToReadAll) override;
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virtual nfUint64 retrieveSize() override;
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virtual void writeToFile(const nfWChar * pwszFileName) override;
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virtual PImportStream copyToMemory() override;
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virtual nfUint64 getPosition() override;
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};
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}
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#endif // !NMR_IMPORTSTREAM_ENCRYPTED
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