urbackup_backend/urbackupserver/server_update.cpp

134 lines
4.3 KiB
C++

/*************************************************************************
* UrBackup - Client/Server backup system
* Copyright (C) 2011-2014 Martin Raiber
*
* 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 3 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.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
**************************************************************************/
#include "server_update.h"
#include "../urlplugin/IUrlFactory.h"
#include "../Interface/Server.h"
#include "../Interface/File.h"
#include "../stringtools.h"
#include <stdlib.h>
#include <memory>
extern IUrlFactory *url_fak;
const std::string urbackup_update_url = "http://update2.urbackup.org/";
ServerUpdate::ServerUpdate(void)
{
}
void ServerUpdate::update_client()
{
if(url_fak==NULL)
{
Server->Log("Urlplugin not found. Cannot download client for autoupdate.", LL_ERROR);
return;
}
std::string http_proxy = Server->getServerParameter("http_proxy");
std::string errmsg;
Server->Log("Downloading version file...", LL_INFO);
std::string version = url_fak->downloadString(urbackup_update_url+"version.txt", http_proxy, &errmsg);
if(version.empty())
{
Server->Log("Error while downloading version info from "+urbackup_update_url+"version.txt: " + errmsg, LL_ERROR);
return;
}
std::string curr_version=getFile("urbackup/version.txt");
if(curr_version.empty()) curr_version="0";
if(atoi(version.c_str())>atoi(curr_version.c_str()))
{
Server->Log("Downloading signature...", LL_INFO);
IFile* sig_file = Server->openFile("urbackup/UrBackupUpdate.sig", MODE_WRITE);
if(sig_file==NULL)
{
Server->Log("Error opening signature output file urbackup/UrBackupUpdate.sig", LL_ERROR);
return;
}
ObjectScope sig_file_scope(sig_file);
bool b = url_fak->downloadFile(urbackup_update_url+"UrBackupUpdate.sig", sig_file, http_proxy, &errmsg);
if(!b)
{
Server->Log("Error while downloading update signature from "+urbackup_update_url+"UrBackupUpdate.sig: " + errmsg, LL_ERROR);
}
Server->Log("Getting update file URL...", LL_INFO);
std::string update_url = url_fak->downloadString(urbackup_update_url+"UrBackupUpdate.url", http_proxy, &errmsg);
if(update_url.empty())
{
Server->Log("Error while downloading update url from "+urbackup_update_url+"UrBackupUpdate.url: " + errmsg, LL_ERROR);
return;
}
IFile* update_file = Server->openFile("urbackup/UrBackupUpdate.exe", MODE_WRITE);
if(update_file==NULL)
{
Server->Log("Error opening update output file urbackup/UrBackupUpdate.exe", LL_ERROR);
return;
}
ObjectScope update_file_scope(update_file);
Server->Log("Downloading update file...", LL_INFO);
b = url_fak->downloadFile(update_url, update_file, http_proxy, &errmsg);
if(!b)
{
Server->Log("Error while downloading update file from "+update_url+": " + errmsg, LL_ERROR);
return;
}
Server->Log("Successfully downloaded update file.", LL_INFO);
writestring(version, "urbackup/version.txt");
}
}
void ServerUpdate::update_server_version_info()
{
if(url_fak==NULL)
{
Server->Log("Urlplugin not found. Cannot download server version info.", LL_ERROR);
return;
}
std::string http_proxy = Server->getServerParameter("http_proxy");
std::string errmsg;
Server->Log("Downloading server version info...", LL_INFO);
std::auto_ptr<IFile> server_version_info(Server->openFile("urbackup/server_version_info.properties", MODE_WRITE));
if(!server_version_info.get())
{
Server->Log("Error opening urbackup/server_version_info.properties for writing", LL_ERROR);
}
else
{
if(!url_fak->downloadFile(urbackup_update_url+"server_version_info.properties",
server_version_info.get(), http_proxy, &errmsg) )
{
Server->Log("Error downloading server version information: " + errmsg, LL_ERROR);
}
}
}