diff options
Diffstat (limited to 'src/network/access/qdecompresshelper_p.h')
-rw-r--r-- | src/network/access/qdecompresshelper_p.h | 58 |
1 files changed, 15 insertions, 43 deletions
diff --git a/src/network/access/qdecompresshelper_p.h b/src/network/access/qdecompresshelper_p.h index 96199a91f8..c837c14521 100644 --- a/src/network/access/qdecompresshelper_p.h +++ b/src/network/access/qdecompresshelper_p.h @@ -1,41 +1,5 @@ -/**************************************************************************** -** -** Copyright (C) 2020 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. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ +// Copyright (C) 2020 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only #ifndef DECOMPRESS_HELPER_P_H #define DECOMPRESS_HELPER_P_H @@ -73,7 +37,7 @@ public: QDecompressHelper() = default; ~QDecompressHelper(); - bool setEncoding(const QByteArray &contentEncoding); + bool setEncoding(QByteArrayView contentEncoding); bool isCountingBytes() const; void setCountingBytesEnabled(bool shouldCount); @@ -91,13 +55,17 @@ public: void clear(); - void setMinimumArchiveBombSize(qint64 threshold); + void setDecompressedSafetyCheckThreshold(qint64 threshold); - static bool isSupportedEncoding(const QByteArray &encoding); + static bool isSupportedEncoding(QByteArrayView encoding); static QByteArrayList acceptedEncoding(); + QString errorString() const; + private: bool isPotentialArchiveBomb() const; + bool hasDataInternal() const; + qsizetype readInternal(char *data, qsizetype maxSize); bool countInternal(); bool countInternal(const QByteArray &data); @@ -111,16 +79,20 @@ private: qsizetype readZstandard(char *data, qsizetype maxSize); QByteDataBuffer compressedDataBuffer; + QByteDataBuffer decompressedDataBuffer; + const qsizetype MaxDecompressedDataBufferSize = 10 * 1024 * 1024; bool decoderHasData = false; bool countDecompressed = false; std::unique_ptr<QDecompressHelper> countHelper; - qint64 uncompressedBytes = 0; + + QString errorStr; // Used for calculating the ratio - qint64 minimumArchiveBombSize = 10 * 1024 * 1024; + qint64 archiveBombCheckThreshold = 10 * 1024 * 1024; qint64 totalUncompressedBytes = 0; qint64 totalCompressedBytes = 0; + qint64 totalBytesRead = 0; ContentEncoding contentEncoding = None; |