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27 
28 #ifndef _SIGNATUREENGINE_HXX
29 #define _SIGNATUREENGINE_HXX
30 
31 #include <com/sun/star/xml/crypto/sax/XReferenceResolvedListener.hpp>
32 #include <com/sun/star/xml/crypto/sax/XReferenceResolvedBroadcaster.hpp>
33 #ifndef _COM_SUN_STAR_XML_CRYPTO_SAX_XSIGNATURECOLLECTOR_HPP_
34 #include <com/sun/star/xml/crypto/sax/XReferenceCollector.hpp>
35 #endif
36 #include <com/sun/star/xml/crypto/sax/XKeyCollector.hpp>
37 #include <com/sun/star/xml/crypto/sax/XMissionTaker.hpp>
38 #include <com/sun/star/xml/crypto/sax/XSAXEventKeeper.hpp>
39 #include <com/sun/star/xml/crypto/XXMLSecurityContext.hpp>
40 #include <com/sun/star/xml/crypto/XXMLSignature.hpp>
41 #include <com/sun/star/xml/crypto/XUriBinding.hpp>
42 #include <com/sun/star/io/XInputStream.hpp>
43 
44 #include <cppuhelper/implbase2.hxx>
45 
46 #include "securityengine.hxx"
47 
48 #ifndef INCLUDED_VECTOR
49 #include <vector>
50 #define INCLUDED_VECTOR
51 #endif
52 
53 class SignatureEngine : public cppu::ImplInheritanceHelper2
54 <
55 	SecurityEngine,
56 	com::sun::star::xml::crypto::sax::XReferenceCollector,
57 	com::sun::star::xml::crypto::XUriBinding
58 >
59 /****** signatureengine.hxx/CLASS SignatureEngine *****************************
60  *
61  *   NAME
62  *	SignatureEngine -- Base class of SignatureCreator and SignatureVerifier
63  *
64  *   FUNCTION
65  *	Maintains common members and methods related with signature operation.
66  *
67  *   HISTORY
68  *	05.01.2004 -	Interface supported: XReferenceCollector
69  *
70  *   AUTHOR
71  *	Michael Mi
72  *	Email: michael.mi@sun.com
73  ******************************************************************************/
74 {
75 protected:
76 
77 	/*
78 	 * the Signature bridge component, which performs signature generation
79 	 * and verification based on xmlsec library.
80 	 */
81 	com::sun::star::uno::Reference<
82 		com::sun::star::xml::crypto::XXMLSignature > m_xXMLSignature;
83 
84 	/*
85 	 * a collection of ElementCollector's ids. Each ElementCollector
86 	 * represents one element signed by this signature.
87 	 */
88 	std::vector< sal_Int32 > m_vReferenceIds;
89 
90 	/*
91 	 * remembers how many references this signature has.
92 	 */
93 	sal_Int32 m_nTotalReferenceNumber;
94 
95 	/*
96 	 * a collection of Uri binding.
97 	 *
98 	 * the m_vUris is used to hold the Uri strings, and the m_vXInputStreams is used
99 	 * to hold corresponding binded XInputStream interface.
100 	 */
101 	std::vector< rtl::OUString > m_vUris;
102 	std::vector< com::sun::star::uno::Reference<
103 		com::sun::star::io::XInputStream > > m_vXInputStreams;
104 
105 protected:
106 	SignatureEngine( );
107 	virtual ~SignatureEngine() {};
108 
109 	virtual void tryToPerform( )
110 		throw (com::sun::star::uno::Exception, com::sun::star::uno::RuntimeException);
111 	virtual void clearUp( ) const;
112 	virtual bool checkReady() const;
113 
114 	/*
115 	 * starts the main function. This method will be implemented by any sub-class.
116 	 * For a SignatureCreator, it performs signing operation;
117 	 * for a SignatureVerifier, verification operation is performed.
118 	 */
119 	virtual void startEngine( const com::sun::star::uno::Reference<
120                               com::sun::star::xml::crypto::XXMLSignatureTemplate >&)
121 		throw (com::sun::star::uno::Exception, com::sun::star::uno::RuntimeException)
122 		{};
123 
124 public:
125 	/* XReferenceCollector */
126 	virtual void SAL_CALL setReferenceCount( sal_Int32 count )
127 		throw (com::sun::star::uno::Exception, com::sun::star::uno::RuntimeException);
128 
129 	virtual void SAL_CALL setReferenceId( sal_Int32 id )
130 		throw (com::sun::star::uno::Exception, com::sun::star::uno::RuntimeException);
131 
132 	/* XUriBinding */
133 	virtual void SAL_CALL setUriBinding(
134 		const rtl::OUString& uri,
135 		const com::sun::star::uno::Reference<
136 			com::sun::star::io::XInputStream >& aInputStream )
137 		throw (com::sun::star::uno::Exception, com::sun::star::uno::RuntimeException);
138 	virtual com::sun::star::uno::Reference< com::sun::star::io::XInputStream >
139 		SAL_CALL getUriBinding( const rtl::OUString& uri )
140 		throw (com::sun::star::uno::Exception, com::sun::star::uno::RuntimeException);
141 };
142 
143 #endif
144 
145