116 lines
3.8 KiB
C++
116 lines
3.8 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
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/*
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* Copyright the Collabora Online contributors.
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*
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* SPDX-License-Identifier: MPL-2.0
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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#include <config.h>
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#include "Authorization.hpp"
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#include "Log.hpp"
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#include "StringVector.hpp"
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#include <Poco/Net/HTTPRequest.h>
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#include <Poco/URI.h>
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void Authorization::authorizeURI(Poco::URI& uri) const
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{
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if (_type == Authorization::Type::Token)
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{
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static const std::string key("access_token");
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Poco::URI::QueryParameters queryParams = uri.getQueryParameters();
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for (auto& param: queryParams)
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{
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if (param.first == key)
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{
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param.second = _data;
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uri.setQueryParameters(queryParams);
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return;
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}
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}
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// it did not exist yet
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uri.addQueryParameter(key, _data);
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}
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}
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void Authorization::authorizeRequest(Poco::Net::HTTPRequest& request) const
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{
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switch (_type)
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{
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case Type::Token:
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request.set("Authorization", "Bearer " + _data);
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break;
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case Type::Header:
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{
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// there might be more headers in here; like
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// Authorization: Basic ....
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// X-Something-Custom: Huh
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// Split based on \n's or \r's and trim, to avoid nonsense in the
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// headers
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StringVector tokens(StringVector::tokenizeAnyOf(_data, "\n\r"));
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for (auto it = tokens.begin(); it != tokens.end(); ++it)
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{
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std::string token = tokens.getParam(*it);
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std::size_t separator = token.find_first_of(':');
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if (separator != std::string::npos)
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{
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std::size_t headerStart = token.find_first_not_of(' ', 0);
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std::size_t headerEnd = token.find_last_not_of(' ', separator - 1);
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std::size_t valueStart = token.find_first_not_of(' ', separator + 1);
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std::size_t valueEnd = token.find_last_not_of(' ');
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// set the header
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if (headerStart != std::string::npos && headerEnd != std::string::npos &&
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valueStart != std::string::npos && valueEnd != std::string::npos)
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{
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std::size_t headerLength = headerEnd - headerStart + 1;
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std::size_t valueLength = valueEnd - valueStart + 1;
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request.set(token.substr(headerStart, headerLength), token.substr(valueStart, valueLength));
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}
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}
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}
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break;
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}
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default:
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LOG_ERR("No HTTP Authorization type detected. Assuming no authorization needed. "
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"Specify access_token to set the Authorization Bearer header.");
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break;
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}
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}
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Authorization Authorization::create(const Poco::URI& uri)
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{
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// prefer the access_token
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std::string decoded;
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for (const auto& param : uri.getQueryParameters())
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{
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if (param.first == "access_token")
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{
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Poco::URI::decode(param.second, decoded);
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return Authorization(Authorization::Type::Token, decoded);
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}
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if (param.first == "access_header")
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Poco::URI::decode(param.second, decoded);
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}
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if (!decoded.empty())
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return Authorization(Authorization::Type::Header, decoded);
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return Authorization();
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}
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Authorization Authorization::create(const std::string& uri) { return create(Poco::URI(uri)); }
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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