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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include "fileshareprotocol.h"
#include "cpastertr.h"
#include "fileshareprotocolsettingspage.h"
#include <coreplugin/messagemanager.h>
#include <utils/fileutils.h>
#include <QXmlStreamReader>
#include <QXmlStreamAttribute>
#include <QTemporaryFile>
#include <QDir>
#include <QFileInfo>
#include <QDebug>
enum { debug = 0 };
const char tempPatternC[] = "pasterXXXXXX.xml";
const char tempGlobPatternC[] = "paster*.xml";
const char pasterElementC[] = "paster";
const char userElementC[] = "user";
const char descriptionElementC[] = "description";
const char textElementC[] = "text";
namespace CodePaster {
FileShareProtocol::FileShareProtocol() = default;
FileShareProtocol::~FileShareProtocol() = default;
QString FileShareProtocol::name() const
{
return m_settings.displayName();
}
unsigned FileShareProtocol::capabilities() const
{
return ListCapability | PostDescriptionCapability | PostUserNameCapability;
}
bool FileShareProtocol::hasSettings() const
{
return true;
}
const Core::IOptionsPage *FileShareProtocol::settingsPage() const
{
return &m_settings;
}
static bool parse(const QString &fileName,
QString *errorMessage,
QString *user = nullptr, QString *description = nullptr, QString *text = nullptr)
{
unsigned elementCount = 0;
errorMessage->clear();
if (user)
user->clear();
if (description)
description->clear();
if (text)
text->clear();
QFile file(fileName);
if (!file.open(QIODevice::ReadOnly|QIODevice::Text)) {
*errorMessage = Tr::tr("Cannot open %1: %2").arg(fileName, file.errorString());
return false;
}
QXmlStreamReader reader(&file);
while (!reader.atEnd()) {
if (reader.readNext() == QXmlStreamReader::StartElement) {
const auto elementName = reader.name();
// Check start element
if (elementCount == 0 && elementName != QLatin1String(pasterElementC)) {
*errorMessage = Tr::tr("%1 does not appear to be a paster file.").arg(fileName);
return false;
}
// Parse elements
elementCount++;
if (user && elementName == QLatin1String(userElementC))
*user = reader.readElementText();
else if (description && elementName == QLatin1String(descriptionElementC))
*description = reader.readElementText();
else if (text && elementName == QLatin1String(textElementC))
*text = reader.readElementText();
}
}
if (reader.hasError()) {
*errorMessage = Tr::tr("Error in %1 at %2: %3")
.arg(fileName).arg(reader.lineNumber()).arg(reader.errorString());
return false;
}
return true;
}
bool FileShareProtocol::checkConfiguration(QString *errorMessage)
{
if (m_settings.path.value().isEmpty()) {
if (errorMessage)
*errorMessage = Tr::tr("Please configure a path.");
return false;
}
return true;
}
void FileShareProtocol::fetch(const QString &id)
{
// Absolute or relative path name.
QFileInfo fi(id);
if (fi.isRelative())
fi = QFileInfo(m_settings.path.value() + '/' + id);
QString errorMessage;
QString text;
if (parse(fi.absoluteFilePath(), &errorMessage, nullptr, nullptr, &text))
emit fetchDone(id, text, false);
else
emit fetchDone(id, errorMessage, true);
}
void FileShareProtocol::list()
{
// Read out directory, display by date (latest first)
QDir dir(m_settings.path.value(), tempGlobPatternC,
QDir::Time, QDir::Files|QDir::NoDotAndDotDot|QDir::Readable);
QStringList entries;
QString user;
QString description;
QString errorMessage;
const QChar blank = QLatin1Char(' ');
const QFileInfoList entryInfoList = dir.entryInfoList();
const int count = qMin(int(m_settings.displayCount()), entryInfoList.size());
for (int i = 0; i < count; i++) {
const QFileInfo& entryFi = entryInfoList.at(i);
if (parse(entryFi.absoluteFilePath(), &errorMessage, &user, &description)) {
QString entry = entryFi.fileName();
entry += blank;
entry += user;
entry += blank;
entry += description;
entries.push_back(entry);
}
if (debug)
qDebug() << entryFi.absoluteFilePath() << errorMessage;
}
emit listDone(name(), entries);
}
void FileShareProtocol::paste(
const QString &text,
ContentType /* ct */,
int /* expiryDays */,
const QString &username,
const QString & /* comment */,
const QString &description
)
{
// Write out temp XML file
Utils::TempFileSaver saver(m_settings.path.value() + '/' + tempPatternC);
saver.setAutoRemove(false);
if (!saver.hasError()) {
// Flat text sections embedded into pasterElement
QXmlStreamWriter writer(saver.file());
writer.writeStartDocument();
writer.writeStartElement(QLatin1String(pasterElementC));
writer.writeTextElement(QLatin1String(userElementC), username);
writer.writeTextElement(QLatin1String(descriptionElementC), description);
writer.writeTextElement(QLatin1String(textElementC), text);
writer.writeEndElement();
writer.writeEndDocument();
saver.setResult(&writer);
}
if (!saver.finalize()) {
Core::MessageManager::writeDisrupting(saver.errorString());
return;
}
emit pasteDone(saver.filePath().toUserOutput());
}
} // namespace CodePaster
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