Mike Nolan
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84 lines
3.3 KiB
C++
84 lines
3.3 KiB
C++
/*
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TessesFramework a library to make C++ easier for me, used in CrossLang:
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https://git.tesses.org/tesses50/crosslang
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Copyright (C) 2026 Mike Nolan
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SPDX-License-Identifier: GPL-3.0-or-later WITH TessesFramework-Exception-1.0
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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 3 of the License, or
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(at your option) any later version.
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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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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include "HttpClient.hpp"
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#include "HttpServer.hpp"
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#include <unordered_set>
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namespace Tesses::Framework::Http {
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enum class ReverseProxyAction { Continue, Handled, Unhandled };
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class ReverseProxyConnectionBuilder {
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public:
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ReverseProxyConnectionBuilder(const ReverseProxyConnectionBuilder &b) =
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delete;
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ReverseProxyConnectionBuilder &
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operator=(const ReverseProxyConnectionBuilder &b) = delete;
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ReverseProxyConnectionBuilder(ReverseProxyConnectionBuilder &&b) = delete;
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ReverseProxyConnectionBuilder &
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operator=(ReverseProxyConnectionBuilder &&b) = delete;
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ReverseProxyConnectionBuilder(ServerContext &ctx,
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bool essentalheaders = true);
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ReverseProxyConnectionBuilder &WithHeadersFromRequest();
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ReverseProxyConnectionBuilder &WithHeader(std::string key,
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std::string value);
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ReverseProxyConnectionBuilder &SetHeader(std::string key,
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std::string value);
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ReverseProxyConnectionBuilder &WithoutHeader(std::string key);
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ReverseProxyConnectionBuilder &WithUrl(std::string url);
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ReverseProxyConnectionBuilder &WithResponseCallback(
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std::function<ReverseProxyAction(ServerContext &, HttpResponse &)> rc);
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ReverseProxyConnectionBuilder &
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WithWhitelistedUpgrade(std::string protocol = "websocket");
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bool Handle();
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private:
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ServerContext &m_ctx;
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std::optional<std::string> m_url;
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HttpDictionary m_reqheaders;
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std::unordered_set<std::string> m_whitelistedupgrades;
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std::function<ReverseProxyAction(ServerContext &, HttpResponse &)> m_rc;
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bool m_fail = false;
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};
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class ReverseProxyServer : public IHttpServer {
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private:
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std::string url;
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std::function<ReverseProxyAction(ServerContext &,
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ReverseProxyConnectionBuilder &, Uri &)>
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request_callback;
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std::function<ReverseProxyAction(ServerContext &, HttpResponse &)>
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response_callback;
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bool essentialheaders;
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public:
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ReverseProxyServer(
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std::string url,
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std::function<ReverseProxyAction(
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ServerContext &, ReverseProxyConnectionBuilder &, Uri &)>
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request_callback = nullptr,
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std::function<ReverseProxyAction(ServerContext &, HttpResponse &)>
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response_callback = nullptr,
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bool essentialheaders = true);
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bool Handle(ServerContext &ctx);
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};
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} // namespace Tesses::Framework::Http
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