99 lines
2.8 KiB
C++
99 lines
2.8 KiB
C++
/**
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* libtransport -- C++ library for easy XMPP Transports development
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*
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* Copyright (C) 2011, Jan Kaluza <hanzz.k@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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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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*
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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 02111-1301 USA
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*/
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#include "transport/OAuth2.h"
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#include "transport/Config.h"
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#include "transport/Util.h"
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#include "transport/HTTPRequest.h"
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#include "transport/Logging.h"
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#include <boost/foreach.hpp>
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#include <iostream>
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#include <iterator>
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#include <algorithm>
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#include <boost/algorithm/string.hpp>
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#include <boost/numeric/conversion/cast.hpp>
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#include <boost/uuid/uuid.hpp>
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#include <boost/uuid/uuid_generators.hpp>
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#include <boost/uuid/uuid_io.hpp>
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namespace Transport {
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DEFINE_LOGGER(logger, "OAuth2");
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OAuth2::OAuth2(const std::string &clientId, const std::string &clientSecret,
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const std::string &authURL, const std::string &tokenURL,
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const std::string &redirectURL, const std::string &scope)
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: m_clientId(clientId), m_clientSecret(clientSecret),
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m_authURL(authURL), m_tokenURL(tokenURL),
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m_redirectURL(redirectURL), m_scope(scope) {
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}
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OAuth2::~OAuth2() {
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}
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std::string OAuth2::generateAuthURL() {
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std::string url = m_authURL + "?";
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url += "client_id=" + Util::urlencode(m_clientId);
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if (!m_scope.empty()) {
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url += "&scope=" + Util::urlencode(m_scope);
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}
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if (!m_redirectURL.empty()) {
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url += "&redirect_uri=" + Util::urlencode(m_redirectURL);
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}
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boost::uuids::uuid uuid = boost::uuids::random_generator()();
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m_state = boost::lexical_cast<std::string>(uuid);
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url += "&state=" + Util::urlencode(m_state);
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return url;
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}
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std::string OAuth2::requestToken(const std::string &code, std::string &token) {
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std::string url = m_tokenURL + "?";
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url += "client_id=" + Util::urlencode(m_clientId);
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url += "&client_secret=" + Util::urlencode(m_clientSecret);
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url += "&code=" + Util::urlencode(code);
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if (!m_redirectURL.empty()) {
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url += "&redirect_uri=" + Util::urlencode(m_redirectURL);
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}
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rapidjson::Document resp;
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HTTPRequest req(HTTPRequest::Get, url);
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if (!req.execute(resp)) {
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return req.getError();
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}
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rapidjson::Value& access_token = resp["access_token"];
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if (!access_token.IsString()) {
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return "No 'access_token' object in the reply.";
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}
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token = access_token.GetString();
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return "";
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}
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}
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