mirror of https://github.com/vitalif/grive2
138 lines
3.2 KiB
C++
138 lines
3.2 KiB
C++
/*
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grive: an GPL program to sync a local directory with Google Drive
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Copyright (C) 2012 Wan Wai Ho
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation version 2
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of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include "drive/Drive.hh"
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#include "protocol/OAuth2.hh"
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#include "protocol/Json.hh"
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#include <cassert>
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#include <cstdlib>
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#include <fstream>
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#include <iostream>
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#include <unistd.h>
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#include <iterator>
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#include <exception>
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#include <stdexcept>
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const std::string client_id = "22314510474.apps.googleusercontent.com" ;
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const std::string client_secret = "bl4ufi89h-9MkFlypcI7R785" ;
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namespace gr
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{
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class ConfigError : public std::runtime_error
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{
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public :
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ConfigError( const std::string& msg ) : runtime_error( msg )
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{
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}
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} ;
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const std::string& ConfigFilename()
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{
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static const char *env_cfg = ::getenv( "GR_CONFIG" ) ;
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static const std::string filename =
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(env_cfg != 0) ? env_cfg : std::string( ::getenv( "HOME") ) + "/.grive" ;
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return filename ;
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}
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Json ReadConfig()
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{
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std::ifstream ifile( ConfigFilename().c_str() ) ;
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if ( !ifile )
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return Json() ;
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try
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{
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std::string cfg_str(
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(std::istreambuf_iterator<char>( ifile )),
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(std::istreambuf_iterator<char>()) ) ;
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return Json::Parse( cfg_str ) ;
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}
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catch ( std::runtime_error& e )
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{
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throw ConfigError( std::string("cannot open config file ") + e.what() ) ;
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}
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}
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void SaveConfig( const Json& config )
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{
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std::ofstream ofile( ConfigFilename().c_str() ) ;
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ofile << config ;
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}
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}
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int main( int argc, char **argv )
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{
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using namespace gr ;
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Json config = ReadConfig() ;
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int c ;
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while ((c = getopt (argc, argv, "ac:")) != -1)
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{
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switch ( c )
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{
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case 'a' :
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{
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std::cout
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<< "-----------------------\n"
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<< "Please go to this URL and get an authenication code:\n\n"
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<< OAuth2::MakeAuthURL( client_id )
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<< std::endl ;
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std::cout
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<< "\n-----------------------\n"
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<< "Please input the authenication code here" << std::endl ;
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std::string code ;
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std::cin >> code ;
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OAuth2 token( client_id, client_secret ) ;
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token.Auth( code ) ;
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// save to config
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config.Add( "refresh_token", Json( token.RefreshToken() ) ) ;
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assert( config["refresh_token"].As<std::string>() == token.RefreshToken() ) ;
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SaveConfig( config ) ;
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break ;
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}
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}
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}
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std::string refresh_token ;
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try
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{
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refresh_token = config["refresh_token"].As<std::string>() ;
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}
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catch ( const std::runtime_error& error )
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{
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std::cerr << "Please run grive with the \"-a\" option if this is the "
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<< "first time you're accessing your Google Drive!\n";
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return -1;
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}
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OAuth2 token( refresh_token, client_id, client_secret ) ;
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Drive drive( token ) ;
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return 0 ;
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}
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