1 files changed, 166 insertions, 0 deletions
diff --git a/oox/inc/oox/core/filterdetect.hxx b/oox/inc/oox/core/filterdetect.hxx
new file mode 100644
index 000000000000..76e46050c24a
--- /dev/null
+++ b/oox/inc/oox/core/filterdetect.hxx
@@ -0,0 +1,166 @@
+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+#ifndef OOX_CORE_FILTERDETECT_HXX
+#define OOX_CORE_FILTERDETECT_HXX
+
+#include <vector>
+#include <com/sun/star/document/XExtendedFilterDetection.hpp>
+#include <com/sun/star/lang/XServiceInfo.hpp>
+#include <com/sun/star/xml/sax/XFastDocumentHandler.hpp>
+#include <cppuhelper/implbase1.hxx>
+#include <cppuhelper/implbase2.hxx>
+#include "oox/dllapi.h"
+
+namespace com { namespace sun { namespace star {
+    namespace io { class XInputStream; }
+} } }
+
+namespace comphelper { class MediaDescriptor; }
+
+namespace oox { class AttributeList; }
+
+namespace oox {
+namespace core {
+
+// ============================================================================
+
+/** Document handler specifically designed for detecting OOXML file formats.
+
+    It takes a reference to the filter string object via its constructor, and
+    puts the name of the detected filter to it, if it successfully finds one.
+ */
+class FilterDetectDocHandler : public ::cppu::WeakImplHelper1< ::com::sun::star::xml::sax::XFastDocumentHandler >
+{
+public:
+    explicit            FilterDetectDocHandler( ::rtl::OUString& rFilter );
+    virtual             ~FilterDetectDocHandler();
+
+    // XFastDocumentHandler
+    virtual void SAL_CALL startDocument() throw (::com::sun::star::xml::sax::SAXException, ::com::sun::star::uno::RuntimeException);
+    virtual void SAL_CALL endDocument() throw (::com::sun::star::xml::sax::SAXException, ::com::sun::star::uno::RuntimeException);
+    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);
+
+    // XFastContextHandler
+    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);
+    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);
+    virtual void SAL_CALL endFastElement( sal_Int32 Element ) throw (::com::sun::star::xml::sax::SAXException, ::com::sun::star::uno::RuntimeException);
+    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);
+    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);
+    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);
+    virtual void SAL_CALL characters( const ::rtl::OUString& aChars ) throw (::com::sun::star::xml::sax::SAXException, ::com::sun::star::uno::RuntimeException);
+    virtual void SAL_CALL ignorableWhitespace( const ::rtl::OUString& aWhitespaces ) throw (::com::sun::star::xml::sax::SAXException, ::com::sun::star::uno::RuntimeException);
+    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);
+
+private:
+    void                parseRelationship( const AttributeList& rAttribs );
+
+    ::rtl::OUString     getFilterNameFromContentType( const ::rtl::OUString& rContentType ) const;
+    void                parseContentTypesDefault( const AttributeList& rAttribs );
+    void                parseContentTypesOverride( const AttributeList& rAttribs );
+
+private:
+    typedef ::std::vector< sal_Int32 > ContextVector;
+
+    ::rtl::OUString&    mrFilterName;
+    ContextVector       maContextStack;
+    ::rtl::OUString     maTargetPath;
+};
+
+// ============================================================================
+
+class OOX_DLLPUBLIC FilterDetect : public ::cppu::WeakImplHelper2< ::com::sun::star::document::XExtendedFilterDetection, ::com::sun::star::lang::XServiceInfo >
+{
+public:
+    explicit            FilterDetect( const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >& rxFactory );
+    virtual             ~FilterDetect();
+
+    /** Tries to extract an unencrypted ZIP package from the passed media
+        descriptor.
+
+        First, this function checks if the input stream provided by the media
+        descriptor property 'InputStream' contains a ZIP package. If yes, this
+        stream is returned.
+
+        Second, this function checks if the 'ComponentData' property exists and
+        contains a sequence of com.sun.star.beans.NamedValue. If yes, a named
+        value is searched with the name 'DecryptedPackage' and a value of type
+        com.sun.star.io.XStream. If the input stream provided by this XStream
+        contains a ZIP package, this input stream is returned.
+
+        Third, this function checks if the input stream of the media descriptor
+        contains an OLE package. If yes, it checks the existence of the streams
+        'EncryptionInfo' and 'EncyptedPackage' and tries to decrypt the package
+        into a temporary file. This may include requesting a password from the
+        media descriptor property 'Password' or from the user, using the
+        interaction handler provided by the descriptor. On success, and if the
+        decrypted package is a ZIP package, the XStream of the temporary file
+        is stored in the property 'ComponentData' of the media descriptor and
+        its input stream is returned.
+     */
+    ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream >
+                        extractUnencryptedPackage( ::comphelper::MediaDescriptor& rMediaDesc ) const;
+
+    // com.sun.star.lang.XServiceInfo interface -------------------------------
+
+    virtual ::rtl::OUString SAL_CALL getImplementationName() throw( ::com::sun::star::uno::RuntimeException );
+    virtual sal_Bool SAL_CALL supportsService( const ::rtl::OUString& rServiceName ) throw( ::com::sun::star::uno::RuntimeException );
+    virtual ::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL getSupportedServiceNames() throw( ::com::sun::star::uno::RuntimeException );
+
+    // com.sun.star.document.XExtendedFilterDetection interface ---------------
+
+    /** Detects MS Office 2007 file types and supports package decryption.
+
+        The following file types are detected:
+        - MS Word 2007 XML Document (*.docx, *.docm)
+        - MS Word 2007 XML Template (*.dotx, *.dotm)
+        - MS Excel 2007 XML Document (*.xlsx, *.xlsm)
+        - MS Excel 2007 BIFF12 Document (*.xlsb)
+        - MS Excel 2007 XML Template (*.xltx, *.xltm)
+        - MS Powerpoint 2007 XML Document (*.pptx, *.pptm)
+        - MS Powerpoint 2007 XML Template (*.potx, *.potm)
+
+        If the package is encrypted, the detection tries to decrypt it into a
+        temporary file. The user may be asked for a password. The XStream
+        interface of the temporary file will be stored in the 'ComponentData'
+        property of the passed media descriptor.
+     */
+    virtual ::rtl::OUString SAL_CALL detect(
+                            ::com::sun::star::uno::Sequence< ::com::sun::star::beans::PropertyValue >& rMediaDescSeq )
+                            throw( ::com::sun::star::uno::RuntimeException );
+
+private:
+    ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory > mxFactory;
+};
+
+// ============================================================================
+
+} // namespace core
+} // namespace oox
+
+#endif
+