Introduce QSsl::X509Certificate interface and its implementations

To enable QSslCertificate to use TLS plugins. All backend-specific
code is to be moved from QSslCertificate(Private) making them
backend-neutral.

Pick-to: dev
Task-number: QTBUG-90954
Task-number: QTBUG-65922
Change-Id: Ic9d5abf91e42ce81fe56239f95ae97b64035e950
Reviewed-by: Timur Pocheptsov <timur.pocheptsov@qt.io>

1 files changed, 101 insertions, 0 deletions

diff --git a/src/network/ssl/qx509_generic_p.h b/src/network/ssl/qx509_generic_p.h
new file mode 100644
index 0000000000..82bd4e84af
--- /dev/null
+++ b/src/network/ssl/qx509_generic_p.h
@@ -0,0 +1,101 @@
+/****************************************************************************
+**
+** Copyright (C) 2021 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the QtNetwork module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or (at your option) the GNU General
+** Public license version 3 or any later version approved by the KDE Free
+** Qt Foundation. The licenses are as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-2.0.html and
+** https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+#ifndef QX509_GENERIC_P_H
+#define QX509_GENERIC_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <private/qtnetworkglobal_p.h>
+
+#include <private/qtlsbackend_p.h>
+#include <private/qx509_base_p.h>
+
+#include <QtCore/qbytearray.h>
+#include <QtCore/qglobal.h>
+
+QT_BEGIN_NAMESPACE
+
+namespace QSsl {
+
+// TLSTODO: This class is what previously was known as qsslcertificate_qt.
+// A part of SecureTransport and Schannel plugin.
+class X509CertificateGeneric : public X509CertificateBase
+{
+public:
+    bool isEqual(const X509Certificate &rhs) const override;
+    bool isSelfSigned() const override;
+
+    QMultiMap<QSsl::AlternativeNameEntryType, QString> subjectAlternativeNames() const override;
+    QByteArray toPem() const override;
+    QByteArray toDer() const override;
+    QString toText() const override;
+    Qt::HANDLE handle() const override;
+
+    size_t hash(size_t seed) const noexcept override;
+
+    static QList<QSslCertificate> certificatesFromPem(const QByteArray &pem, int count);
+    static QList<QSslCertificate> certificatesFromDer(const QByteArray &der, int count);
+
+protected:
+
+    bool subjectMatchesIssuer = false;
+    QSsl::KeyAlgorithm publicKeyAlgorithm = QSsl::Rsa;
+    QByteArray publicKeyDerData;
+
+    QMultiMap<QSsl::AlternativeNameEntryType, QString> saNames;
+    QByteArray derData;
+
+    bool parse(const QByteArray &data);
+    bool parseExtension(const QByteArray &data, X509CertificateExtension &extension);
+};
+
+} // namespace QSsl
+
+QT_END_NAMESPACE
+
+#endif // QX509_GENERIC_P_H