mirror of
https://github.com/keepassxreboot/keepassxc.git
synced 2025-02-12 20:51:45 -05:00
d3a53a702e
Previously, we enforced code page 850 for all console input and output, which breaks with non-western scripts. Since more recent Windows shells are able to display Unicode properly, this patch now enforces UTF-8 and falls back to code page 850 only if UTF-8 is unsupported. Non-Windows systems default to UTF-8, but can override the codec by setting the LANG environment variable to something other than C. Resolves #3049.
91 lines
2.5 KiB
C++
91 lines
2.5 KiB
C++
/*
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* Copyright (C) 2018 KeePassXC Team <team@keepassxc.org>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 or (at your option)
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* version 3 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "TextStream.h"
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#include <QProcessEnvironment>
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#include <QTextCodec>
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#ifdef Q_OS_WIN
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#include <windows.h>
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#endif
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TextStream::TextStream()
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{
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detectCodec();
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}
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TextStream::TextStream(QIODevice* device)
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: QTextStream(device)
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{
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detectCodec();
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}
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TextStream::TextStream(FILE* fileHandle, QIODevice::OpenMode openMode)
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: QTextStream(fileHandle, openMode)
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{
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detectCodec();
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}
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TextStream::TextStream(QString* string, QIODevice::OpenMode openMode)
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: QTextStream(string, openMode)
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{
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detectCodec();
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}
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TextStream::TextStream(QByteArray* array, QIODevice::OpenMode openMode)
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: QTextStream(array, openMode)
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{
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detectCodec();
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}
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TextStream::TextStream(const QByteArray& array, QIODevice::OpenMode openMode)
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: QTextStream(array, openMode)
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{
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detectCodec();
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}
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void TextStream::detectCodec()
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{
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QString codecName = "UTF-8";
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auto env = QProcessEnvironment::systemEnvironment();
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#ifdef Q_OS_WIN
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WINBOOL success = false;
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#ifdef CP_UTF8
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success = SetConsoleOutputCP(CP_UTF8);
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#endif
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if (!success && !env.contains("SHELL")) {
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// Fall back to cp850 if this is Windows without CP_UTF8 and we
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// are running in a native shell (i.e., no Msys or Cygwin).
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codecName = "Windows-850";
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}
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#else
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if (env.contains("LANG") && !env.value("LANG").isEmpty() && env.value("LANG") != "C") {
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// Only override codec if LANG is set, otherwise Qt will assume
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// US-ASCII, which is almost always wrong and results in
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// Unicode passwords being displayed as question marks.
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codecName = QTextCodec::codecForLocale()->name();
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}
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#endif
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codecName = env.value("ENCODING_OVERRIDE", codecName);
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auto* codec = QTextCodec::codecForName(codecName.toLatin1());
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if (codec) {
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setCodec(codec);
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}
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}
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