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/*
* Copyright (C) by Olivier Goffart <ogoffart@owncloud.com>
* Copyright (C) by Klaas Freitag <freitag@owncloud.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.
*/
#pragma once
#include "owncloudpropagator.h"
#include "syncfileitem.h"
#include "networkjobs.h"
#include <QLoggingCategory>
#include <QNetworkReply>
namespace OCC {
inline QByteArray getEtagFromReply(QNetworkReply *reply)
{
QByteArray ret = parseEtag(reply->rawHeader("OC-ETag"));
if (ret.isEmpty()) {
ret = parseEtag(reply->rawHeader("ETag"));
}
return ret;
}
/**
* Given an error from the network, map to a SyncFileItem::Status error
*/
inline SyncFileItem::Status classifyError(QNetworkReply::NetworkError nerror,
int httpCode, bool *anotherSyncNeeded = nullptr, const QByteArray &errorBody = QByteArray())
{
Q_ASSERT(nerror != QNetworkReply::NoError); // we should only be called when there is an error
if (nerror == QNetworkReply::RemoteHostClosedError) {
// Sometimes server bugs lead to a connection close on certain files,
// that shouldn't bring the rest of the syncing to a halt.
return SyncFileItem::NormalError;
}
if (nerror > QNetworkReply::NoError && nerror <= QNetworkReply::UnknownProxyError) {
// network error or proxy error -> fatal
return SyncFileItem::FatalError;
}
switch (httpCode) {
case 423:
// "Locked"
// Should be temporary.
Q_FALLTHROUGH();
case 502:
// "Bad Gateway"
// Should be temporary.
if (anotherSyncNeeded != nullptr) {
*anotherSyncNeeded = true;
}
Q_FALLTHROUGH();
case 412:
// "Precondition Failed"
// Happens when the e-tag has changed
return SyncFileItem::SoftError;
case 503: {
// When the server is in maintenance mode, we want to exit the sync immediatly
// so that we do not flood the server with many requests
// BUG: This relies on a translated string and is thus unreliable.
// In the future it should return a NormalError and trigger a status.php
// check that detects maintenance mode reliably and will terminate the sync run.
auto probablyMaintenance =
errorBody.contains(R"(>Sabre\DAV\Exception\ServiceUnavailable<)")
&& !errorBody.contains("Storage is temporarily not available");
return probablyMaintenance ? SyncFileItem::FatalError : SyncFileItem::NormalError;
}
}
return SyncFileItem::NormalError;
}
}
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