spectrum2/libtransport/OAuth2.cpp
2016-01-24 13:08:09 +01:00

120 lines
3.5 KiB
C++

/**
* libtransport -- C++ library for easy XMPP Transports development
*
* Copyright (C) 2011, Jan Kaluza <hanzz.k@gmail.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.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA
*/
#include "transport/OAuth2.h"
#include "transport/Config.h"
#include "transport/Util.h"
#include "transport/HTTPRequest.h"
#include "transport/Logging.h"
#include <boost/foreach.hpp>
#include <iostream>
#include <iterator>
#include <algorithm>
#include <boost/algorithm/string.hpp>
#include <boost/numeric/conversion/cast.hpp>
#include <boost/uuid/uuid.hpp>
#include <boost/uuid/uuid_generators.hpp>
#include <boost/uuid/uuid_io.hpp>
namespace Transport {
DEFINE_LOGGER(logger, "OAuth2");
OAuth2::OAuth2(const std::string &clientId, const std::string &clientSecret,
const std::string &authURL, const std::string &tokenURL,
const std::string &redirectURL, const std::string &scope)
: m_clientId(clientId), m_clientSecret(clientSecret),
m_authURL(authURL), m_tokenURL(tokenURL),
m_redirectURL(redirectURL), m_scope(scope) {
}
OAuth2::~OAuth2() {
}
std::string OAuth2::generateAuthURL() {
std::string url = m_authURL + "?";
url += "client_id=" + Util::urlencode(m_clientId);
if (!m_scope.empty()) {
url += "&scope=" + Util::urlencode(m_scope);
}
if (!m_redirectURL.empty()) {
url += "&redirect_uri=" + Util::urlencode(m_redirectURL);
}
boost::uuids::uuid uuid = boost::uuids::random_generator()();
m_state = boost::lexical_cast<std::string>(uuid);
url += "&state=" + Util::urlencode(m_state);
return url;
}
std::string OAuth2::requestToken(const std::string &code, std::string &token, std::string &bot_token) {
std::string url = m_tokenURL + "?";
url += "client_id=" + Util::urlencode(m_clientId);
url += "&client_secret=" + Util::urlencode(m_clientSecret);
url += "&code=" + Util::urlencode(code);
if (!m_redirectURL.empty()) {
url += "&redirect_uri=" + Util::urlencode(m_redirectURL);
}
rapidjson::Document resp;
HTTPRequest req(HTTPRequest::Get, url);
if (!req.execute(resp)) {
LOG4CXX_ERROR(logger, url);
LOG4CXX_ERROR(logger, req.getError());
return req.getError();
}
LOG4CXX_ERROR(logger, req.getRawData());
rapidjson::Value& access_token = resp["access_token"];
if (!access_token.IsString()) {
LOG4CXX_ERROR(logger, "No 'access_token' object in the reply.");
LOG4CXX_ERROR(logger, url);
LOG4CXX_ERROR(logger, req.getRawData());
return "No 'access_token' object in the reply.";
}
token = access_token.GetString();
if (token.empty()) {
LOG4CXX_ERROR(logger, "Empty 'access_token' object in the reply.");
LOG4CXX_ERROR(logger, url);
LOG4CXX_ERROR(logger, req.getRawData());
return "Empty 'access_token' object in the reply.";
}
rapidjson::Value& bot = resp["bot"];
if (bot.IsObject()) {
rapidjson::Value& bot_access_token = bot["bot_access_token"];
if (bot_access_token.IsString()) {
bot_token = bot_access_token.GetString();
}
}
return "";
}
}