140 lines
4.6 KiB
C++
140 lines
4.6 KiB
C++
/****************************************************************************
|
|
**
|
|
** Copyright (C) 2016 The Qt Company Ltd.
|
|
** Contact: https://www.qt.io/licensing/
|
|
**
|
|
** This file is part of the QtCore 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.
|
|
**
|
|
** $QT_END_LICENSE$
|
|
**
|
|
****************************************************************************/
|
|
|
|
#include <qglobal.h>
|
|
|
|
#include <QtNetwork/private/qtnetworkglobal_p.h>
|
|
|
|
#if QT_CONFIG(topleveldomain)
|
|
|
|
#include "qplatformdefs.h"
|
|
#include "qurl.h"
|
|
#include "private/qurltlds_p.h"
|
|
#include "private/qtldurl_p.h"
|
|
#include "QtCore/qstring.h"
|
|
#include "QtCore/qvector.h"
|
|
|
|
QT_BEGIN_NAMESPACE
|
|
|
|
enum TLDMatchType {
|
|
ExactMatch,
|
|
SuffixMatch,
|
|
ExceptionMatch,
|
|
};
|
|
|
|
static bool containsTLDEntry(QStringView entry, TLDMatchType match)
|
|
{
|
|
const QStringView matchSymbols[] = {
|
|
u"",
|
|
u"*",
|
|
u"!",
|
|
};
|
|
const auto symbol = matchSymbols[match];
|
|
int index = qt_hash(entry, qt_hash(symbol)) % tldCount;
|
|
|
|
// select the right chunk from the big table
|
|
short chunk = 0;
|
|
uint chunkIndex = tldIndices[index], offset = 0;
|
|
while (chunk < tldChunkCount && tldIndices[index] >= tldChunks[chunk]) {
|
|
chunkIndex -= tldChunks[chunk];
|
|
offset += tldChunks[chunk];
|
|
chunk++;
|
|
}
|
|
|
|
// check all the entries from the given index
|
|
while (chunkIndex < tldIndices[index+1] - offset) {
|
|
const auto utf8 = tldData[chunk] + chunkIndex;
|
|
if ((symbol.isEmpty() || QLatin1Char(*utf8) == symbol) && entry == QString::fromUtf8(utf8 + symbol.size()))
|
|
return true;
|
|
chunkIndex += qstrlen(utf8) + 1; // +1 for the ending \0
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/*!
|
|
\internal
|
|
|
|
Return the top-level-domain per Qt's copy of the Mozilla public suffix list of
|
|
\a domain.
|
|
*/
|
|
|
|
Q_NETWORK_EXPORT QString qTopLevelDomain(const QString &domain)
|
|
{
|
|
const QString domainLower = domain.toLower();
|
|
QVector<QStringRef> sections = domainLower.splitRef(QLatin1Char('.'), QString::SkipEmptyParts);
|
|
if (sections.isEmpty())
|
|
return QString();
|
|
|
|
QString level, tld;
|
|
for (int j = sections.count() - 1; j >= 0; --j) {
|
|
level.prepend(QLatin1Char('.') + sections.at(j));
|
|
if (qIsEffectiveTLD(level.rightRef(level.size() - 1)))
|
|
tld = level;
|
|
}
|
|
return tld;
|
|
}
|
|
|
|
/*!
|
|
\internal
|
|
|
|
Return true if \a domain is a top-level-domain per Qt's copy of the Mozilla public suffix list.
|
|
*/
|
|
|
|
Q_NETWORK_EXPORT bool qIsEffectiveTLD(const QStringRef &domain)
|
|
{
|
|
// for domain 'foo.bar.com':
|
|
// 1. return if TLD table contains 'foo.bar.com'
|
|
// 2. else if table contains '*.bar.com',
|
|
// 3. test that table does not contain '!foo.bar.com'
|
|
|
|
if (containsTLDEntry(domain, ExactMatch)) // 1
|
|
return true;
|
|
|
|
const int dot = domain.indexOf(QLatin1Char('.'));
|
|
if (dot < 0) // Actual TLD: may be effective if the subject of a wildcard rule:
|
|
return containsTLDEntry(QString(QLatin1Char('.') + domain), SuffixMatch);
|
|
if (containsTLDEntry(domain.mid(dot), SuffixMatch)) // 2
|
|
return !containsTLDEntry(domain, ExceptionMatch); // 3
|
|
return false;
|
|
}
|
|
|
|
QT_END_NAMESPACE
|
|
|
|
#endif
|