libreoffice-online/loolwsd/Auth.hpp

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
// Authentication and Authorization support.
#ifndef INCLUDED_AUTH_HPP
#define INCLUDED_AUTH_HPP
#include <string>
#include <Poco/Net/HTTPClientSession.h>
#include <Poco/Net/HTTPRequest.h>
#include <Poco/Net/HTTPResponse.h>
#include "Util.hpp"
/// Base class of all Authentication/Authorization implementations.
class AuthBase
{
public:
/// Called after securing an authorization code to acquire an access token.
virtual bool getAccessToken(const std::string& authorizationCode) = 0;
/// Used to verify the validity of an access token.
virtual bool verify(const std::string& token) = 0;
};
class OAuth : public AuthBase
{
public:
OAuth(const std::string& clientId,
const std::string& clientSecret,
const std::string& tokenEndPoint,
const std::string& authVerifyUrl) :
_clientId(clientId),
_clientSecret(clientSecret),
_tokenEndPoint(tokenEndPoint),
_authVerifyUrl(authVerifyUrl)
{
}
//TODO: This MUST be done over TLS to protect the token.
bool getAccessToken(const std::string& authorizationCode) override
{
std::string url = _tokenEndPoint
+ "?client_id=" + _clientId
+ "&client_secret=" + _clientSecret
+ "&grant_type=authorization_code"
+ "&code=" + authorizationCode;
// + "&redirect_uri="
Poco::URI uri(url);
Poco::Net::HTTPClientSession session(uri.getHost(), uri.getPort());
Poco::Net::HTTPRequest request(Poco::Net::HTTPRequest::HTTP_POST, url, Poco::Net::HTTPMessage::HTTP_1_1);
Poco::Net::HTTPResponse response;
session.sendRequest(request);
std::istream& rs = session.receiveResponse(response);
Log::info() << "Status: " << response.getStatus() << " " << response.getReason() << Log::end;
std::string reply(std::istreambuf_iterator<char>(rs), {});
Log::info("Response: " + reply);
//TODO: Parse the token.
return true;
}
bool verify(const std::string& token) override
{
const std::string url = _authVerifyUrl + token;
Log::debug("Verifying authorization token from: " + url);
Poco::URI uri(url);
Poco::Net::HTTPClientSession session(uri.getHost(), uri.getPort());
Poco::Net::HTTPRequest request(Poco::Net::HTTPRequest::HTTP_GET, url, Poco::Net::HTTPMessage::HTTP_1_1);
Poco::Net::HTTPResponse response;
session.sendRequest(request);
std::istream& rs = session.receiveResponse(response);
Log::info() << "Status: " << response.getStatus() << " " << response.getReason() << Log::end;
std::string reply(std::istreambuf_iterator<char>(rs), {});
Log::info("Response: " + reply);
//TODO: Parse the response.
/*
// This is used for the demo site.
const auto lastLogTime = strtoul(reply.c_str(), nullptr, 0);
if (lastLogTime < 1)
{
//TODO: Redirect to login page.
return;
}
*/
return true;
}
private:
const std::string _clientId;
const std::string _clientSecret;
const std::string _tokenEndPoint;
const std::string _authVerifyUrl;
};
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */