libreoffice-online/common/Authorization.cpp

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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/.
*/
#include <config.h>
#include "Authorization.hpp"
#include "Protocol.hpp"
#include "Log.hpp"
#include <Exceptions.hpp>
#include <cstdlib>
#include <cassert>
#include <regex>
void Authorization::authorizeURI(Poco::URI& uri) const
{
if (_type == Authorization::Type::Token)
{
static const std::string key("access_token");
Poco::URI::QueryParameters queryParams = uri.getQueryParameters();
for (auto& param: queryParams)
{
if (param.first == key)
{
param.second = _data;
uri.setQueryParameters(queryParams);
return;
}
}
// it did not exist yet
uri.addQueryParameter(key, _data);
}
}
void Authorization::authorizeRequest(Poco::Net::HTTPRequest& request) const
{
switch (_type)
{
case Type::Token:
request.set("Authorization", "Bearer " + _data);
break;
case Type::Header:
{
// there might be more headers in here; like
// Authorization: Basic ....
// X-Something-Custom: Huh
// Split based on \n's or \r's and trim, to avoid nonsense in the
// headers
StringVector tokens(Util::tokenizeAnyOf(_data, "\n\r"));
for (auto it = tokens.begin(); it != tokens.end(); ++it)
{
std::string token = tokens.getParam(*it);
size_t separator = token.find_first_of(':');
if (separator != std::string::npos)
{
size_t headerStart = token.find_first_not_of(' ', 0);
size_t headerEnd = token.find_last_not_of(' ', separator - 1);
size_t valueStart = token.find_first_not_of(' ', separator + 1);
size_t valueEnd = token.find_last_not_of(' ');
// set the header
if (headerStart != std::string::npos && headerEnd != std::string::npos &&
valueStart != std::string::npos && valueEnd != std::string::npos)
{
size_t headerLength = headerEnd - headerStart + 1;
size_t valueLength = valueEnd - valueStart + 1;
request.set(token.substr(headerStart, headerLength), token.substr(valueStart, valueLength));
}
}
}
break;
}
default:
// assert(false);
throw BadRequestException("Invalid HTTP request type");
break;
}
}
Authorization Authorization::create(const Poco::URI::QueryParameters& queryParams)
{
// prefer the access_token
std::string decoded;
for (const auto& param : queryParams)
{
if (param.first == "access_token")
{
Poco::URI::decode(param.second, decoded);
return Authorization(Authorization::Type::Token, decoded);
}
if (param.first == "access_header")
Poco::URI::decode(param.second, decoded);
}
if (!decoded.empty())
return Authorization(Authorization::Type::Header, decoded);
return Authorization();
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */