nextcloud-desktop/src/libsync/accessmanager.cpp

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/*
* Copyright (C) by Krzesimir Nowak <krzesimir@endocode.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*/
#include <QLoggingCategory>
#include <QNetworkRequest>
#include <QNetworkReply>
#include <QNetworkProxy>
#include <QAuthenticator>
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#include <QSslConfiguration>
#include <QNetworkCookie>
#include <QNetworkCookieJar>
#include <QNetworkConfiguration>
#include <QUuid>
#include "cookiejar.h"
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#include "accessmanager.h"
#include "common/utility.h"
#include "httplogger.h"
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namespace OCC {
Q_LOGGING_CATEGORY(lcAccessManager, "nextcloud.sync.accessmanager", QtInfoMsg)
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AccessManager::AccessManager(QObject *parent)
: QNetworkAccessManager(parent)
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{
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#if defined(Q_OS_MAC)
// FIXME Workaround http://stackoverflow.com/a/15707366/2941 https://bugreports.qt-project.org/browse/QTBUG-30434
QNetworkProxy proxy = this->proxy();
proxy.setHostName(" ");
setProxy(proxy);
#endif
#ifndef Q_OS_LINUX
// Atempt to workaround for https://github.com/owncloud/client/issues/3969
setConfiguration(QNetworkConfiguration());
#endif
setCookieJar(new CookieJar);
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}
QByteArray AccessManager::generateRequestId()
{
// Use a UUID with the starting and ending curly brace removed.
auto uuid = QUuid::createUuid().toByteArray();
return uuid.mid(1, uuid.size() - 2);
}
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QNetworkReply *AccessManager::createRequest(QNetworkAccessManager::Operation op, const QNetworkRequest &request, QIODevice *outgoingData)
{
QNetworkRequest newRequest(request);
// Respect request specific user agent if any
if (!newRequest.header(QNetworkRequest::UserAgentHeader).isValid()) {
newRequest.setHeader(QNetworkRequest::UserAgentHeader, Utility::userAgentString());
}
// Some firewalls reject requests that have a "User-Agent" but no "Accept" header
newRequest.setRawHeader(QByteArray("Accept"), "*/*");
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QByteArray verb = newRequest.attribute(QNetworkRequest::CustomVerbAttribute).toByteArray();
// For PROPFIND (assumed to be a WebDAV op), set xml/utf8 as content type/encoding
// This needs extension
if (verb == "PROPFIND") {
newRequest.setHeader(QNetworkRequest::ContentTypeHeader, QLatin1String("text/xml; charset=utf-8"));
}
// Generate a new request id
QByteArray requestId = generateRequestId();
qInfo(lcAccessManager) << op << verb << newRequest.url().toString() << "has X-Request-ID" << requestId;
newRequest.setRawHeader("X-Request-ID", requestId);
#if QT_VERSION >= QT_VERSION_CHECK(5, 9, 4)
// only enable HTTP2 with Qt 5.9.4 because old Qt have too many bugs (e.g. QTBUG-64359 is fixed in >= Qt 5.9.4)
if (newRequest.url().scheme() == "https") { // Not for "http": QTBUG-61397
// http2 seems to cause issues, as with our recommended server setup we don't support http2, disable it by default for now
static const bool http2EnabledEnv = qEnvironmentVariableIntValue("OWNCLOUD_HTTP2_ENABLED") == 1;
newRequest.setAttribute(QNetworkRequest::HTTP2AllowedAttribute, http2EnabledEnv);
}
#endif
const auto reply = QNetworkAccessManager::createRequest(op, newRequest, outgoingData);
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HttpLogger::logRequest(reply, op, outgoingData);
return reply;
}
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} // namespace OCC