1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 #ifndef _XUNBUFFERED_STREAM_HXX 24 #define _XUNBUFFERED_STREAM_HXX 25 26 #include <com/sun/star/io/XOutputStream.hpp> 27 #include <com/sun/star/lang/IllegalArgumentException.hpp> 28 #include <com/sun/star/io/XSeekable.hpp> 29 #include <com/sun/star/io/XInputStream.hpp> 30 #include <com/sun/star/io/XOutputStream.hpp> 31 #include <com/sun/star/xml/crypto/XCipherContext.hpp> 32 33 #include <cppuhelper/implbase1.hxx> 34 #include <rtl/ref.hxx> 35 #include <Inflater.hxx> 36 #include <ZipEntry.hxx> 37 #include <CRC32.hxx> 38 #include <mutexholder.hxx> 39 40 #define UNBUFF_STREAM_DATA 0 41 #define UNBUFF_STREAM_RAW 1 42 #define UNBUFF_STREAM_WRAPPEDRAW 2 43 44 class EncryptionData; 45 class XUnbufferedStream : public cppu::WeakImplHelper1 46 < 47 com::sun::star::io::XInputStream 48 > 49 { 50 protected: 51 SotMutexHolderRef maMutexHolder; 52 53 com::sun::star::uno::Reference < com::sun::star::io::XInputStream > mxZipStream; 54 com::sun::star::uno::Reference < com::sun::star::io::XSeekable > mxZipSeek; 55 com::sun::star::uno::Sequence < sal_Int8 > maCompBuffer, maHeader; 56 ZipEntry maEntry; 57 ::rtl::Reference< EncryptionData > mxData; 58 sal_Int32 mnBlockSize; 59 ::com::sun::star::uno::Reference< ::com::sun::star::xml::crypto::XCipherContext > m_xCipherContext; 60 Inflater maInflater; 61 sal_Bool mbRawStream, mbWrappedRaw, mbFinished; 62 sal_Int16 mnHeaderToRead; 63 sal_Int64 mnZipCurrent, mnZipEnd, mnZipSize, mnMyCurrent; 64 CRC32 maCRC; 65 sal_Bool mbCheckCRC; 66 67 public: 68 XUnbufferedStream( 69 const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >& xFactory, 70 SotMutexHolderRef aMutexHolder, 71 ZipEntry & rEntry, 72 com::sun::star::uno::Reference < com::sun::star::io::XInputStream > xNewZipStream, 73 const ::rtl::Reference< EncryptionData >& rData, 74 sal_Int8 nStreamMode, 75 sal_Bool bIsEncrypted, 76 const ::rtl::OUString& aMediaType, 77 sal_Bool bRecoveryMode ); 78 79 // allows to read package raw stream 80 XUnbufferedStream( 81 const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >& xFactory, 82 const com::sun::star::uno::Reference < com::sun::star::io::XInputStream >& xRawStream, 83 const ::rtl::Reference< EncryptionData >& rData ); 84 85 86 virtual ~XUnbufferedStream(); 87 88 // XInputStream 89 virtual sal_Int32 SAL_CALL readBytes( ::com::sun::star::uno::Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead ) 90 throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException); 91 virtual sal_Int32 SAL_CALL readSomeBytes( ::com::sun::star::uno::Sequence< sal_Int8 >& aData, sal_Int32 nMaxBytesToRead ) 92 throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException); 93 virtual void SAL_CALL skipBytes( sal_Int32 nBytesToSkip ) 94 throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException); 95 virtual sal_Int32 SAL_CALL available( ) 96 throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException); 97 virtual void SAL_CALL closeInput( ) 98 throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException); 99 // XSeekable 100 /* 101 virtual void SAL_CALL seek( sal_Int64 location ) 102 throw(::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException); 103 virtual sal_Int64 SAL_CALL getPosition( ) 104 throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException); 105 virtual sal_Int64 SAL_CALL getLength( ) 106 throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException); 107 */ 108 }; 109 #endif 110