1*b1cdbd2cSJim Jagielski /************************************************************** 2*b1cdbd2cSJim Jagielski * 3*b1cdbd2cSJim Jagielski * Licensed to the Apache Software Foundation (ASF) under one 4*b1cdbd2cSJim Jagielski * or more contributor license agreements. See the NOTICE file 5*b1cdbd2cSJim Jagielski * distributed with this work for additional information 6*b1cdbd2cSJim Jagielski * regarding copyright ownership. The ASF licenses this file 7*b1cdbd2cSJim Jagielski * to you under the Apache License, Version 2.0 (the 8*b1cdbd2cSJim Jagielski * "License"); you may not use this file except in compliance 9*b1cdbd2cSJim Jagielski * with the License. You may obtain a copy of the License at 10*b1cdbd2cSJim Jagielski * 11*b1cdbd2cSJim Jagielski * http://www.apache.org/licenses/LICENSE-2.0 12*b1cdbd2cSJim Jagielski * 13*b1cdbd2cSJim Jagielski * Unless required by applicable law or agreed to in writing, 14*b1cdbd2cSJim Jagielski * software distributed under the License is distributed on an 15*b1cdbd2cSJim Jagielski * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16*b1cdbd2cSJim Jagielski * KIND, either express or implied. See the License for the 17*b1cdbd2cSJim Jagielski * specific language governing permissions and limitations 18*b1cdbd2cSJim Jagielski * under the License. 19*b1cdbd2cSJim Jagielski * 20*b1cdbd2cSJim Jagielski *************************************************************/ 21*b1cdbd2cSJim Jagielski 22*b1cdbd2cSJim Jagielski 23*b1cdbd2cSJim Jagielski 24*b1cdbd2cSJim Jagielski #ifndef OOX_CORE_FILTERDETECT_HXX 25*b1cdbd2cSJim Jagielski #define OOX_CORE_FILTERDETECT_HXX 26*b1cdbd2cSJim Jagielski 27*b1cdbd2cSJim Jagielski #include <vector> 28*b1cdbd2cSJim Jagielski #include <com/sun/star/document/XExtendedFilterDetection.hpp> 29*b1cdbd2cSJim Jagielski #include <com/sun/star/lang/XServiceInfo.hpp> 30*b1cdbd2cSJim Jagielski #include <com/sun/star/xml/sax/XFastDocumentHandler.hpp> 31*b1cdbd2cSJim Jagielski #include <cppuhelper/implbase1.hxx> 32*b1cdbd2cSJim Jagielski #include <cppuhelper/implbase2.hxx> 33*b1cdbd2cSJim Jagielski #include "oox/dllapi.h" 34*b1cdbd2cSJim Jagielski 35*b1cdbd2cSJim Jagielski namespace com { namespace sun { namespace star { 36*b1cdbd2cSJim Jagielski namespace io { class XInputStream; } 37*b1cdbd2cSJim Jagielski namespace uno { class XComponentContext; } 38*b1cdbd2cSJim Jagielski } } } 39*b1cdbd2cSJim Jagielski 40*b1cdbd2cSJim Jagielski namespace comphelper { class MediaDescriptor; } 41*b1cdbd2cSJim Jagielski 42*b1cdbd2cSJim Jagielski namespace oox { class AttributeList; } 43*b1cdbd2cSJim Jagielski 44*b1cdbd2cSJim Jagielski namespace oox { 45*b1cdbd2cSJim Jagielski namespace core { 46*b1cdbd2cSJim Jagielski 47*b1cdbd2cSJim Jagielski // ============================================================================ 48*b1cdbd2cSJim Jagielski 49*b1cdbd2cSJim Jagielski /** Document handler specifically designed for detecting OOXML file formats. 50*b1cdbd2cSJim Jagielski 51*b1cdbd2cSJim Jagielski It takes a reference to the filter string object via its constructor, and 52*b1cdbd2cSJim Jagielski puts the name of the detected filter to it, if it successfully finds one. 53*b1cdbd2cSJim Jagielski */ 54*b1cdbd2cSJim Jagielski class FilterDetectDocHandler : public ::cppu::WeakImplHelper1< ::com::sun::star::xml::sax::XFastDocumentHandler > 55*b1cdbd2cSJim Jagielski { 56*b1cdbd2cSJim Jagielski public: 57*b1cdbd2cSJim Jagielski explicit FilterDetectDocHandler( ::rtl::OUString& rFilter ); 58*b1cdbd2cSJim Jagielski virtual ~FilterDetectDocHandler(); 59*b1cdbd2cSJim Jagielski 60*b1cdbd2cSJim Jagielski // XFastDocumentHandler 61*b1cdbd2cSJim Jagielski virtual void SAL_CALL startDocument() throw (::com::sun::star::xml::sax::SAXException, ::com::sun::star::uno::RuntimeException); 62*b1cdbd2cSJim Jagielski virtual void SAL_CALL endDocument() throw (::com::sun::star::xml::sax::SAXException, ::com::sun::star::uno::RuntimeException); 63*b1cdbd2cSJim Jagielski virtual void SAL_CALL setDocumentLocator( const ::com::sun::star::uno::Reference< ::com::sun::star::xml::sax::XLocator >& xLocator ) throw (::com::sun::star::xml::sax::SAXException, ::com::sun::star::uno::RuntimeException); 64*b1cdbd2cSJim Jagielski 65*b1cdbd2cSJim Jagielski // XFastContextHandler 66*b1cdbd2cSJim Jagielski virtual void SAL_CALL startFastElement( sal_Int32 nElement, const ::com::sun::star::uno::Reference< ::com::sun::star::xml::sax::XFastAttributeList >& Attribs ) throw (::com::sun::star::xml::sax::SAXException, ::com::sun::star::uno::RuntimeException); 67*b1cdbd2cSJim Jagielski virtual void SAL_CALL startUnknownElement( const ::rtl::OUString& Namespace, const ::rtl::OUString& Name, const ::com::sun::star::uno::Reference< ::com::sun::star::xml::sax::XFastAttributeList >& Attribs ) throw (::com::sun::star::xml::sax::SAXException, ::com::sun::star::uno::RuntimeException); 68*b1cdbd2cSJim Jagielski virtual void SAL_CALL endFastElement( sal_Int32 Element ) throw (::com::sun::star::xml::sax::SAXException, ::com::sun::star::uno::RuntimeException); 69*b1cdbd2cSJim Jagielski virtual void SAL_CALL endUnknownElement( const ::rtl::OUString& Namespace, const ::rtl::OUString& Name ) throw (::com::sun::star::xml::sax::SAXException, ::com::sun::star::uno::RuntimeException); 70*b1cdbd2cSJim Jagielski virtual ::com::sun::star::uno::Reference< XFastContextHandler > SAL_CALL createFastChildContext( sal_Int32 Element, const ::com::sun::star::uno::Reference< ::com::sun::star::xml::sax::XFastAttributeList >& Attribs ) throw (::com::sun::star::xml::sax::SAXException, ::com::sun::star::uno::RuntimeException); 71*b1cdbd2cSJim Jagielski virtual ::com::sun::star::uno::Reference< XFastContextHandler > SAL_CALL createUnknownChildContext( const ::rtl::OUString& Namespace, const ::rtl::OUString& Name, const ::com::sun::star::uno::Reference< ::com::sun::star::xml::sax::XFastAttributeList >& Attribs ) throw (::com::sun::star::xml::sax::SAXException, ::com::sun::star::uno::RuntimeException); 72*b1cdbd2cSJim Jagielski virtual void SAL_CALL characters( const ::rtl::OUString& aChars ) throw (::com::sun::star::xml::sax::SAXException, ::com::sun::star::uno::RuntimeException); 73*b1cdbd2cSJim Jagielski virtual void SAL_CALL ignorableWhitespace( const ::rtl::OUString& aWhitespaces ) throw (::com::sun::star::xml::sax::SAXException, ::com::sun::star::uno::RuntimeException); 74*b1cdbd2cSJim Jagielski virtual void SAL_CALL processingInstruction( const ::rtl::OUString& aTarget, const ::rtl::OUString& aData ) throw (::com::sun::star::xml::sax::SAXException, ::com::sun::star::uno::RuntimeException); 75*b1cdbd2cSJim Jagielski 76*b1cdbd2cSJim Jagielski private: 77*b1cdbd2cSJim Jagielski void parseRelationship( const AttributeList& rAttribs ); 78*b1cdbd2cSJim Jagielski 79*b1cdbd2cSJim Jagielski ::rtl::OUString getFilterNameFromContentType( const ::rtl::OUString& rContentType ) const; 80*b1cdbd2cSJim Jagielski void parseContentTypesDefault( const AttributeList& rAttribs ); 81*b1cdbd2cSJim Jagielski void parseContentTypesOverride( const AttributeList& rAttribs ); 82*b1cdbd2cSJim Jagielski 83*b1cdbd2cSJim Jagielski private: 84*b1cdbd2cSJim Jagielski typedef ::std::vector< sal_Int32 > ContextVector; 85*b1cdbd2cSJim Jagielski 86*b1cdbd2cSJim Jagielski ::rtl::OUString& mrFilterName; 87*b1cdbd2cSJim Jagielski ContextVector maContextStack; 88*b1cdbd2cSJim Jagielski ::rtl::OUString maTargetPath; 89*b1cdbd2cSJim Jagielski }; 90*b1cdbd2cSJim Jagielski 91*b1cdbd2cSJim Jagielski // ============================================================================ 92*b1cdbd2cSJim Jagielski 93*b1cdbd2cSJim Jagielski class OOX_DLLPUBLIC FilterDetect : public ::cppu::WeakImplHelper2< ::com::sun::star::document::XExtendedFilterDetection, ::com::sun::star::lang::XServiceInfo > 94*b1cdbd2cSJim Jagielski { 95*b1cdbd2cSJim Jagielski public: 96*b1cdbd2cSJim Jagielski explicit FilterDetect( const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext >& rxContext ) 97*b1cdbd2cSJim Jagielski throw( ::com::sun::star::uno::RuntimeException ); 98*b1cdbd2cSJim Jagielski virtual ~FilterDetect(); 99*b1cdbd2cSJim Jagielski 100*b1cdbd2cSJim Jagielski /** Tries to extract an unencrypted ZIP package from the passed media 101*b1cdbd2cSJim Jagielski descriptor. 102*b1cdbd2cSJim Jagielski 103*b1cdbd2cSJim Jagielski First, this function checks if the input stream provided by the media 104*b1cdbd2cSJim Jagielski descriptor property 'InputStream' contains a ZIP package. If yes, this 105*b1cdbd2cSJim Jagielski stream is returned. 106*b1cdbd2cSJim Jagielski 107*b1cdbd2cSJim Jagielski Second, this function checks if the 'ComponentData' property exists and 108*b1cdbd2cSJim Jagielski contains a sequence of com.sun.star.beans.NamedValue. If yes, a named 109*b1cdbd2cSJim Jagielski value is searched with the name 'DecryptedPackage' and a value of type 110*b1cdbd2cSJim Jagielski com.sun.star.io.XStream. If the input stream provided by this XStream 111*b1cdbd2cSJim Jagielski contains a ZIP package, this input stream is returned. 112*b1cdbd2cSJim Jagielski 113*b1cdbd2cSJim Jagielski Third, this function checks if the input stream of the media descriptor 114*b1cdbd2cSJim Jagielski contains an OLE package. If yes, it checks the existence of the streams 115*b1cdbd2cSJim Jagielski 'EncryptionInfo' and 'EncyptedPackage' and tries to decrypt the package 116*b1cdbd2cSJim Jagielski into a temporary file. This may include requesting a password from the 117*b1cdbd2cSJim Jagielski media descriptor property 'Password' or from the user, using the 118*b1cdbd2cSJim Jagielski interaction handler provided by the descriptor. On success, and if the 119*b1cdbd2cSJim Jagielski decrypted package is a ZIP package, the XStream of the temporary file 120*b1cdbd2cSJim Jagielski is stored in the property 'ComponentData' of the media descriptor and 121*b1cdbd2cSJim Jagielski its input stream is returned. 122*b1cdbd2cSJim Jagielski */ 123*b1cdbd2cSJim Jagielski ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > 124*b1cdbd2cSJim Jagielski extractUnencryptedPackage( ::comphelper::MediaDescriptor& rMediaDesc ) const; 125*b1cdbd2cSJim Jagielski 126*b1cdbd2cSJim Jagielski // com.sun.star.lang.XServiceInfo interface ------------------------------- 127*b1cdbd2cSJim Jagielski 128*b1cdbd2cSJim Jagielski virtual ::rtl::OUString SAL_CALL getImplementationName() throw( ::com::sun::star::uno::RuntimeException ); 129*b1cdbd2cSJim Jagielski virtual sal_Bool SAL_CALL supportsService( const ::rtl::OUString& rServiceName ) throw( ::com::sun::star::uno::RuntimeException ); 130*b1cdbd2cSJim Jagielski virtual ::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL getSupportedServiceNames() throw( ::com::sun::star::uno::RuntimeException ); 131*b1cdbd2cSJim Jagielski 132*b1cdbd2cSJim Jagielski // com.sun.star.document.XExtendedFilterDetection interface --------------- 133*b1cdbd2cSJim Jagielski 134*b1cdbd2cSJim Jagielski /** Detects MS Office 2007 file types and supports package decryption. 135*b1cdbd2cSJim Jagielski 136*b1cdbd2cSJim Jagielski The following file types are detected: 137*b1cdbd2cSJim Jagielski - MS Word 2007 XML Document (*.docx, *.docm) 138*b1cdbd2cSJim Jagielski - MS Word 2007 XML Template (*.dotx, *.dotm) 139*b1cdbd2cSJim Jagielski - MS Excel 2007 XML Document (*.xlsx, *.xlsm) 140*b1cdbd2cSJim Jagielski - MS Excel 2007 BIFF12 Document (*.xlsb) 141*b1cdbd2cSJim Jagielski - MS Excel 2007 XML Template (*.xltx, *.xltm) 142*b1cdbd2cSJim Jagielski - MS Powerpoint 2007 XML Document (*.pptx, *.pptm) 143*b1cdbd2cSJim Jagielski - MS Powerpoint 2007 XML Template (*.potx, *.potm) 144*b1cdbd2cSJim Jagielski 145*b1cdbd2cSJim Jagielski If the package is encrypted, the detection tries to decrypt it into a 146*b1cdbd2cSJim Jagielski temporary file. The user may be asked for a password. The XStream 147*b1cdbd2cSJim Jagielski interface of the temporary file will be stored in the 'ComponentData' 148*b1cdbd2cSJim Jagielski property of the passed media descriptor. 149*b1cdbd2cSJim Jagielski */ 150*b1cdbd2cSJim Jagielski virtual ::rtl::OUString SAL_CALL 151*b1cdbd2cSJim Jagielski detect( ::com::sun::star::uno::Sequence< ::com::sun::star::beans::PropertyValue >& rMediaDescSeq ) 152*b1cdbd2cSJim Jagielski throw( ::com::sun::star::uno::RuntimeException ); 153*b1cdbd2cSJim Jagielski 154*b1cdbd2cSJim Jagielski private: 155*b1cdbd2cSJim Jagielski ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext > mxContext; 156*b1cdbd2cSJim Jagielski }; 157*b1cdbd2cSJim Jagielski 158*b1cdbd2cSJim Jagielski // ============================================================================ 159*b1cdbd2cSJim Jagielski 160*b1cdbd2cSJim Jagielski } // namespace core 161*b1cdbd2cSJim Jagielski } // namespace oox 162*b1cdbd2cSJim Jagielski 163*b1cdbd2cSJim Jagielski #endif 164