xmlsecurity/source/helper/xsecparser.hxx

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  27
  28 #ifndef _XSEC_CTL_PARSER_HXX
  29 #define _XSEC_CTL_PARSER_HXX
  30
  31 #include <xsecctl.hxx>
  32
  33 #include <com/sun/star/xml/sax/XParser.hpp>
  34 #include <com/sun/star/lang/XInitialization.hpp>
  35 #include <com/sun/star/xml/sax/XDocumentHandler.hpp>
  36 #include <com/sun/star/xml/sax/XAttributeList.hpp>
  37
  38 #include <cppuhelper/implbase2.hxx>
  39
  40 class XSecParser: public cppu::WeakImplHelper2
  41 <
  42     com::sun::star::xml::sax::XDocumentHandler,
  43     com::sun::star::lang::XInitialization
  44 >
  45 /****** XSecController.hxx/CLASS XSecParser ***********************************
  46  *
  47  *   NAME
  48  *  XSecParser -- a SAX parser that can detect security elements
  49  *
  50  *   FUNCTION
  51  *  The XSecParser object is connected on the SAX chain and detects
  52  *  security elements in the SAX event stream, then notifies
  53  *  the XSecController.
  54  *
  55  *   HISTORY
  56  *  05.01.2004 -    Interface supported: XDocumentHandler, XInitialization
  57  *
  58  *   NOTES
  59  *  This class is used when importing a document.
  60  *
  61  *   AUTHOR
  62  *  Michael Mi
  63  *  Email: michael.mi@sun.com
  64  ******************************************************************************/
  65 {
  66     friend class XSecController;
  67 private:
  68     /*
  69      * the following members are used to reserve the signature information,
  70      * including X509IssuerName, X509SerialNumber, and X509Certificate,etc.
  71      */
  72     rtl::OUString m_ouX509IssuerName;
  73     rtl::OUString m_ouX509SerialNumber;
  74     rtl::OUString m_ouX509Certificate;
  75     rtl::OUString m_ouDigestValue;
  76     rtl::OUString m_ouSignatureValue;
  77     rtl::OUString m_ouDate;
  78     //rtl::OUString m_ouTime;
  79
  80     /*
  81      * whether inside a particular element
  82      */
  83     bool m_bInX509IssuerName;
  84     bool m_bInX509SerialNumber;
  85     bool m_bInX509Certificate;
  86     bool m_bInDigestValue;
  87     bool m_bInSignatureValue;
  88     bool m_bInDate;
  89     //bool m_bInTime;
  90
  91     /*
  92      * the XSecController collaborating with XSecParser
  93      */
  94     XSecController* m_pXSecController;
  95
  96     /*
  97      * the next XDocumentHandler on the SAX chain
  98      */
  99     com::sun::star::uno::Reference<
 100         com::sun::star::xml::sax::XDocumentHandler > m_xNextHandler;
 101
 102     /*
 103      * this string is used to remember the current handled reference's URI,
 104      *
 105      * because it can be decided whether a stream reference is xml based or binary based
 106      * only after the Transforms element is read in, so we have to reserve the reference's
 107      * URI when the startElement event is met.
 108      */
 109     rtl::OUString m_currentReferenceURI;
 110     bool m_bReferenceUnresolved;
 111
 112 private:
 113     rtl::OUString getIdAttr(const com::sun::star::uno::Reference<
 114             com::sun::star::xml::sax::XAttributeList >& xAttribs );
 115
 116 public:
 117     XSecParser( XSecController* pXSecController,
 118         const com::sun::star::uno::Reference<
 119             com::sun::star::xml::sax::XDocumentHandler >& xNextHandler );
 120     ~XSecParser(){};
 121
 122     /*
 123      * XDocumentHandler
 124      */
 125     virtual void SAL_CALL startDocument(  )
 126         throw (com::sun::star::xml::sax::SAXException, com::sun::star::uno::RuntimeException);
 127
 128     virtual void SAL_CALL endDocument(  )
 129         throw (com::sun::star::xml::sax::SAXException, com::sun::star::uno::RuntimeException);
 130
 131     virtual void SAL_CALL startElement(
 132         const rtl::OUString& aName,
 133         const com::sun::star::uno::Reference<
 134             com::sun::star::xml::sax::XAttributeList >& xAttribs )
 135         throw (com::sun::star::xml::sax::SAXException, com::sun::star::uno::RuntimeException);
 136
 137     virtual void SAL_CALL endElement( const rtl::OUString& aName )
 138         throw (com::sun::star::xml::sax::SAXException, com::sun::star::uno::RuntimeException);
 139
 140     virtual void SAL_CALL characters( const rtl::OUString& aChars )
 141         throw (com::sun::star::xml::sax::SAXException, com::sun::star::uno::RuntimeException);
 142
 143     virtual void SAL_CALL ignorableWhitespace( const rtl::OUString& aWhitespaces )
 144         throw (com::sun::star::xml::sax::SAXException, com::sun::star::uno::RuntimeException);
 145
 146     virtual void SAL_CALL processingInstruction(
 147         const rtl::OUString& aTarget,
 148         const rtl::OUString& aData )
 149         throw (com::sun::star::xml::sax::SAXException, com::sun::star::uno::RuntimeException);
 150
 151     virtual void SAL_CALL setDocumentLocator(
 152         const com::sun::star::uno::Reference<
 153             com::sun::star::xml::sax::XLocator >& xLocator )
 154         throw (com::sun::star::xml::sax::SAXException, com::sun::star::uno::RuntimeException);
 155
 156     /*
 157      * XInitialization
 158      */
 159     virtual void SAL_CALL initialize(
 160         const com::sun::star::uno::Sequence< com::sun::star::uno::Any >& aArguments )
 161         throw(com::sun::star::uno::Exception, com::sun::star::uno::RuntimeException);
 162 };
 163
 164 #endif
 165