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Jonathan Naylor 2018-05-09 19:23:17 +01:00
commit 12d55cef37
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Common/XLXHostsFileDownloader.cpp Normal file
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/*
* Copyright (C) 2010-2013,2015 by Jonathan Naylor G4KLX
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "XLXHostsFileDownloader.h"
#ifdef XLX_USE_WGET
#include <wx/utils.h>
#else
#include <wx/protocol/http.h>
#endif
#include <wx/filename.h>
/* wxHTTP randomly crashes when called on a worker thread, this must be called from main thread ! */
wxString CXLXHostsFileDownloader::Download(const wxString & xlxHostsFileURL)
{
#ifdef XLX_USE_WGET
wxString xlxHostsFileName = wxFileName::CreateTempFileName(_T("XLX_Hosts_"));
wxString commandLine = _T("wget -q -O ") + xlxHostsFileName + _T(" ") + xlxHostsFileURL;
bool execResult = wxShell(commandLine);
if(!execResult) {
wxLogError(_T("Unable do download XLX host file, make sure wget is installed"));
return wxEmptyString;
}
return xlxHostsFileName;
#else
wxHTTP http;
http.SetNotify(false);
http.SetFlags(wxSOCKET_WAITALL);
http.SetHeader( _T("Accept") , _T("text/*") );
http.SetHeader( _T("User-Agent"), _T("ircddbGateway") );
http.SetTimeout(5); // seconds
wxLogMessage(_T("Downloading XLX reflector list from %s"), xlxHostsFileURL.c_str());
// remove "http://" from the url, i.e. minus 7 chars
size_t len = xlxHostsFileURL.length();
wxString path = xlxHostsFileURL.Right(len-7);
// find the first forward slash
int slash = path.Find(wxChar('/'));
len = path.length();
wxString server = path.Left(slash);
path = path.Right(len-slash);
// Note that Connect() wants a host address, not an URL. 80 is the server's port.
if(!http.Connect(server, 80 )) {
wxLogError(_T("Failed to connect to %s"), server);
return wxEmptyString;
}
wxInputStream* in = NULL;
if((in = http.GetInputStream(path)) && in->IsOk()) {
wxFile file;
wxString xlxHostsFileName = wxFileName::CreateTempFileName(_T("XLX_Hosts_"), &file);
wxLogMessage(_T("Created temporary file %s"), xlxHostsFileName);
if(!file.IsOpened()) {
wxLogError(_T("Failed to open temporary file %s"), xlxHostsFileName);
wxDELETE(in);
return wxEmptyString;
}
//in->Read(fileStream);
//fileStream.Write(*in);
//in->Read(tempFileStream);
//Both call above seem to not work when run in a separate thread, hence the old fashion loop below
unsigned char buffer[2048];
while(!in->Eof()) {
in->Read(buffer, 2048);
int readCount = in->LastRead();
if(readCount <= 0)
break;
file.Write(buffer, readCount);
}
wxLogMessage(_T("XLX Successfuly downloaded to %s"), xlxHostsFileName);
file.Close();
http.Close();
wxDELETE(in);
return xlxHostsFileName;
}
wxLogError(_T("Failed to get HTTP stream"));
if(in) wxDELETE(in);
return wxEmptyString;
#endif
}