1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include "decryptorimpl.hxx"
#include <com/sun/star/xml/crypto/XXMLEncryptionTemplate.hpp>
#include <com/sun/star/xml/wrapper/XXMLElementWrapper.hpp>
#include <com/sun/star/lang/XMultiServiceFactory.hpp>
#include <comphelper/processfactory.hxx>
#include <cppuhelper/supportsservice.hxx>
#include <osl/diagnose.h>
using namespace com::sun::star::uno;
namespace cssu = com::sun::star::uno;
namespace cssl = com::sun::star::lang;
namespace cssxc = com::sun::star::xml::crypto;
namespace cssxw = com::sun::star::xml::wrapper;
#define IMPLEMENTATION_NAME "com.sun.star.xml.security.framework.DecryptorImpl"
DecryptorImpl::DecryptorImpl(const Reference< XComponentContext > & xContext) : DecryptorImpl_Base(xContext)
{
}
DecryptorImpl::~DecryptorImpl()
{
}
bool DecryptorImpl::checkReady() const
/****** DecryptorImpl/checkReady *********************************************
*
* NAME
* checkReady -- checks the conditions for the decryption.
*
* SYNOPSIS
* bReady = checkReady( );
*
* FUNCTION
* checks whether all following conditions are satisfied:
* 1. the result listener is ready;
* 2. the EncryptionEngine is ready.
*
* RESULT
* bReady - true if all conditions are satisfied, false otherwise
******************************************************************************/
{
return (m_xResultListener.is() && EncryptionEngine::checkReady());
}
void DecryptorImpl::notifyResultListener() const
throw (cssu::Exception, cssu::RuntimeException)
/****** DecryptorImpl/notifyResultListener ***********************************
*
* NAME
* notifyResultListener -- notifies the listener about the decryption
* result.
******************************************************************************/
{
cssu::Reference< cssxc::sax::XDecryptionResultListener >
xDecryptionResultListener ( m_xResultListener , cssu::UNO_QUERY ) ;
xDecryptionResultListener->decrypted(m_nSecurityId,m_nStatus);
}
void DecryptorImpl::startEngine( const cssu::Reference<
cssxc::XXMLEncryptionTemplate >&
xEncryptionTemplate)
throw (cssu::Exception, cssu::RuntimeException)
/****** DecryptorImpl/startEngine ********************************************
*
* NAME
* startEngine -- decrypts the encryption.
*
* FUNCTION
* decrypts the encryption element, then if succeeds, updates the link
* of old template element to the new encryption element in
* SAXEventKeeper.
*
* INPUTS
* xEncryptionTemplate - the encryption template to be decrypted.
******************************************************************************/
{
cssu::Reference< cssxc::XXMLEncryptionTemplate > xResultTemplate;
try
{
xResultTemplate = m_xXMLEncryption->decrypt(xEncryptionTemplate, m_xXMLSecurityContext);
m_nStatus = xResultTemplate->getStatus();
}
catch( cssu::Exception& )
{
m_nStatus = cssxc::SecurityOperationStatus_RUNTIMEERROR_FAILED;
}
if (m_nStatus == cssxc::SecurityOperationStatus_OPERATION_SUCCEEDED)
{
cssu::Reference< cssxw::XXMLElementWrapper > xDecryptedElement
= xResultTemplate->getTemplate();
m_xSAXEventKeeper->setElement(m_nIdOfTemplateEC, xDecryptedElement);
}
}
/* XDecryptionResultBroadcaster */
void SAL_CALL DecryptorImpl::addDecryptionResultListener( const cssu::Reference< cssxc::sax::XDecryptionResultListener >& listener )
throw (cssu::Exception, cssu::RuntimeException, std::exception)
{
m_xResultListener = listener;
tryToPerform();
}
void SAL_CALL DecryptorImpl::removeDecryptionResultListener( const cssu::Reference< cssxc::sax::XDecryptionResultListener >&)
throw (cssu::RuntimeException, std::exception)
{
}
/* XInitialization */
void SAL_CALL DecryptorImpl::initialize( const cssu::Sequence< cssu::Any >& aArguments )
throw (cssu::Exception, cssu::RuntimeException, std::exception)
{
OSL_ASSERT(aArguments.getLength() == 5);
OUString ouTempString;
aArguments[0] >>= ouTempString;
m_nSecurityId = ouTempString.toInt32();
aArguments[1] >>= m_xSAXEventKeeper;
aArguments[2] >>= ouTempString;
m_nIdOfTemplateEC = ouTempString.toInt32();
aArguments[3] >>= m_xXMLSecurityContext;
aArguments[4] >>= m_xXMLEncryption;
}
OUString DecryptorImpl_getImplementationName ()
throw (cssu::RuntimeException)
{
return OUString ( IMPLEMENTATION_NAME );
}
cssu::Sequence< OUString > SAL_CALL DecryptorImpl_getSupportedServiceNames( )
throw (cssu::RuntimeException)
{
cssu::Sequence<OUString> aRet { "com.sun.star.xml.crypto.sax.Decryptor" };
return aRet;
}
cssu::Reference< cssu::XInterface > SAL_CALL DecryptorImpl_createInstance( const cssu::Reference< cssl::XMultiServiceFactory >& xMSF)
throw( cssu::Exception )
{
return static_cast<cppu::OWeakObject*>(new DecryptorImpl( comphelper::getComponentContext( xMSF ) ));
}
/* XServiceInfo */
OUString SAL_CALL DecryptorImpl::getImplementationName( )
throw (cssu::RuntimeException, std::exception)
{
return DecryptorImpl_getImplementationName();
}
sal_Bool SAL_CALL DecryptorImpl::supportsService( const OUString& rServiceName )
throw (cssu::RuntimeException, std::exception)
{
return cppu::supportsService(this, rServiceName);
}
cssu::Sequence< OUString > SAL_CALL DecryptorImpl::getSupportedServiceNames( )
throw (cssu::RuntimeException, std::exception)
{
return DecryptorImpl_getSupportedServiceNames();
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
