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qsslcertificateextension.cpp

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1/****************************************************************************-
2**-
3** Copyright (C) 2011 Richard J. Moore <rich@kde.org>-
4** Contact: https://www.qt.io/licensing/-
5**-
6** This file is part of the QtNetwork module of the Qt Toolkit.-
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38****************************************************************************/-
39-
40/*!-
41 \class QSslCertificateExtension-
42 \brief The QSslCertificateExtension class provides an API for accessing the-
43 extensions of an X509 certificate.-
44 \since 5.0-
45-
46 \reentrant-
47 \ingroup network-
48 \ingroup ssl-
49 \ingroup shared-
50 \inmodule QtNetwork-
51-
52 QSslCertificateExtension provides access to an extension stored in-
53 an X509 certificate. The information available depends on the type-
54 of extension being accessed.-
55-
56 All X509 certificate extensions have the following properties:-
57-
58 \table-
59 \header-
60 \li Property-
61 \li Description-
62 \row-
63 \li name-
64 \li The human readable name of the extension, eg. 'basicConstraints'.-
65 \row-
66 \li criticality-
67 \li This is a boolean value indicating if the extension is critical-
68 to correctly interpreting the certificate.-
69 \row-
70 \li oid-
71 \li The ASN.1 object identifier that specifies which extension this-
72 is.-
73 \row-
74 \li supported-
75 \li If this is true the structure of the extension's value will not-
76 change between Qt versions.-
77 \row-
78 \li value-
79 \li A QVariant with a structure dependent on the type of extension.-
80 \endtable-
81-
82 Whilst this class provides access to any type of extension, only-
83 some are guaranteed to be returned in a format that will remain-
84 unchanged between releases. The isSupported() method returns \c true-
85 for extensions where this is the case.-
86-
87 The extensions currently supported, and the structure of the value-
88 returned are as follows:-
89-
90 \table-
91 \header-
92 \li Name-
93 \li OID-
94 \li Details-
95 \row-
96 \li basicConstraints-
97 \li 2.5.29.19-
98 \li Returned as a QVariantMap. The key 'ca' contains a boolean value,-
99 the optional key 'pathLenConstraint' contains an integer.-
100 \row-
101 \li authorityInfoAccess-
102 \li 1.3.6.1.5.5.7.1.1-
103 \li Returned as a QVariantMap. There is a key for each access method,-
104 with the value being a URI.-
105 \row-
106 \li subjectKeyIdentifier-
107 \li 2.5.29.14-
108 \li Returned as a QVariant containing a QString. The string is the key-
109 identifier.-
110 \row-
111 \li authorityKeyIdentifier-
112 \li 2.5.29.35-
113 \li Returned as a QVariantMap. The optional key 'keyid' contains the key-
114 identifier as a hex string stored in a QByteArray. The optional key-
115 'serial' contains the authority key serial number as a qlonglong.-
116 Currently there is no support for the general names field of this-
117 extension.-
118 \endtable-
119-
120 In addition to the supported extensions above, many other common extensions-
121 will be returned in a reasonably structured way. Extensions that the SSL-
122 backend has no support for at all will be returned as a QByteArray.-
123-
124 Further information about the types of extensions certificates can-
125 contain can be found in RFC 5280.-
126-
127 \sa QSslCertificate::extensions()-
128 */-
129-
130#include "qsslcertificateextension.h"-
131#include "qsslcertificateextension_p.h"-
132-
133QT_BEGIN_NAMESPACE-
134-
135/*!-
136 Constructs a QSslCertificateExtension.-
137 */-
138QSslCertificateExtension::QSslCertificateExtension()-
139 : d(new QSslCertificateExtensionPrivate)-
140{-
141}
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142-
143/*!-
144 Constructs a copy of \a other.-
145 */-
146QSslCertificateExtension::QSslCertificateExtension(const QSslCertificateExtension &other)-
147 : d(other.d)-
148{-
149}
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150-
151/*!-
152 Destroys the extension.-
153 */-
154QSslCertificateExtension::~QSslCertificateExtension()-
155{-
156}-
157-
158/*!-
159 Assigns \a other to this extension and returns a reference to this extension.-
160 */-
161QSslCertificateExtension &QSslCertificateExtension::operator=(const QSslCertificateExtension &other)-
162{-
163 d = other.d;-
164 return *this;
never executed: return *this;
0
165}-
166-
167/*!-
168 \fn void QSslCertificateExtension::swap(QSslCertificateExtension &other)-
169-
170 Swaps this certificate extension instance with \a other. This-
171 function is very fast and never fails.-
172*/-
173-
174/*!-
175 Returns the ASN.1 OID of this extension.-
176 */-
177QString QSslCertificateExtension::oid() const-
178{-
179 return d->oid;
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180}-
181-
182/*!-
183 Returns the name of the extension. If no name is known for the-
184 extension then the OID will be returned.-
185 */-
186QString QSslCertificateExtension::name() const-
187{-
188 return d->name;
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189}-
190-
191/*!-
192 Returns the value of the extension. The structure of the value-
193 returned depends on the extension type.-
194 */-
195QVariant QSslCertificateExtension::value() const-
196{-
197 return d->value;
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198}-
199-
200/*!-
201 Returns the criticality of the extension.-
202 */-
203bool QSslCertificateExtension::isCritical() const-
204{-
205 return d->critical;
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206}-
207-
208/*!-
209 Returns the true if this extension is supported. In this case,-
210 supported simply means that the structure of the QVariant returned-
211 by the value() accessor will remain unchanged between versions.-
212 Unsupported extensions can be freely used, however there is no-
213 guarantee that the returned data will have the same structure-
214 between versions.-
215 */-
216bool QSslCertificateExtension::isSupported() const-
217{-
218 return d->supported;
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219}-
220-
221QT_END_NAMESPACE-
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