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67 lines
2.8 KiB
C++
67 lines
2.8 KiB
C++
/* Ricochet - https://ricochet.im/
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* Copyright (C) 2014, John Brooks <john.brooks@dereferenced.net>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the
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* distribution.
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*
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* * Neither the names of the copyright owners nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/* Through the QQmlNetworkAccessManagerFactory below, all network requests
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* created via QML will be passed to this object; including, for example,
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* <img> tags parsed in rich Text items.
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*
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* Ricochet's UI does not directly cause network requests for any reason. These
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* are always a potentially deanonymizing bug. This object will block them,
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* and assert if appropriate.
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*/
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#include <QDebug>
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class BlockedNetworkAccessManager : public QNetworkAccessManager
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{
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public:
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BlockedNetworkAccessManager(QObject *parent)
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: QNetworkAccessManager(parent)
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{
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setProxy(QNetworkProxy(QNetworkProxy::Socks5Proxy, QLatin1String("0.0.0.0"), 0));
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}
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protected:
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virtual QNetworkReply *createRequest(Operation op, const QNetworkRequest &req, QIODevice *outgoingData = 0)
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{
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qCritical() << "QML attempted to load a network resource from" << req.url() << " - this is potentially an input sanitization flaw.";
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return QNetworkAccessManager::createRequest(op, QNetworkRequest(), outgoingData);
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}
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};
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class NetworkAccessBlockingFactory : public QQmlNetworkAccessManagerFactory
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{
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public:
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virtual QNetworkAccessManager *create(QObject *parent)
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{
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return new BlockedNetworkAccessManager(parent);
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}
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};
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