libreoffice-online/common/Authorization.cpp
Michael Meeks 7183a3d3de spdx: improve machine and human readability of headers.
Change-Id: Ice934380029bf27054e830fffc07a5d037d1430f
Signed-off-by: Michael Meeks <michael.meeks@collabora.com>
2023-11-14 19:36:31 +00:00

115 lines
3.8 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
/*
* Copyright the Collabora Online contributors.
*
* SPDX-License-Identifier: MPL-2.0
*
* 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 "Log.hpp"
#include "StringVector.hpp"
#include <Poco/Net/HTTPRequest.h>
#include <Poco/URI.h>
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(StringVector::tokenizeAnyOf(_data, "\n\r"));
for (auto it = tokens.begin(); it != tokens.end(); ++it)
{
std::string token = tokens.getParam(*it);
std::size_t separator = token.find_first_of(':');
if (separator != std::string::npos)
{
std::size_t headerStart = token.find_first_not_of(' ', 0);
std::size_t headerEnd = token.find_last_not_of(' ', separator - 1);
std::size_t valueStart = token.find_first_not_of(' ', separator + 1);
std::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)
{
std::size_t headerLength = headerEnd - headerStart + 1;
std::size_t valueLength = valueEnd - valueStart + 1;
request.set(token.substr(headerStart, headerLength), token.substr(valueStart, valueLength));
}
}
}
break;
}
default:
LOG_ERR("No HTTP Authorization type detected. Assuming no authorization needed. "
"Specify access_token to set the Authorization Bearer header.");
break;
}
}
Authorization Authorization::create(const Poco::URI& uri)
{
// prefer the access_token
std::string decoded;
for (const auto& param : uri.getQueryParameters())
{
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();
}
Authorization Authorization::create(const std::string& uri) { return create(Poco::URI(uri)); }
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */