Crafter.Network/interfaces/Crafter.Network-HTTP.cppm

/*
Crafter®.Network
Copyright (C) 2025 Catcrafts®
Catcrafts.net

This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3.0 of the License, or (at your option) any later version.

This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
*/

export module Crafter.Network:HTTP;
import std;

namespace Crafter {
    export struct HTTPRequest {
        std::string method;
        std::unordered_map<std::string, std::string> headers;
        std::string body;
    };

    export struct HTTPResponse {
        std::string status;
        std::unordered_map<std::string, std::string> headers;
        std::string body;
    };

    export constexpr std::string CreateResponseHTTP(std::string status) {
        return std::format("HTTP/1.1 {}\r\nConnection: keep-alive\r\nContent-Length: 0\r\n\r\n", status);
    }
    
    export constexpr std::string CreateResponseHTTP(std::string status, std::unordered_map<std::string, std::string> headers) {
        std::string headersString;
        for (auto const& [key, val] : headers) {
            headersString+=std::format("{}: {}\r\n", key, val);
        }
        return std::format("HTTP/1.1 {}\r\nConnection: keep-alive\r\nContent-Length: 0\r\n{}\r\n", status, headersString);
    }
    
    export constexpr std::string CreateResponseHTTP(std::string status, std::string body) {
        return std::format("HTTP/1.1 {}\r\nContent-Length: {}\r\nConnection: keep-alive\r\n\r\n{}", status, body.size(), body);
    }
    
    export constexpr std::string CreateResponseHTTP(std::string status, std::unordered_map<std::string, std::string> headers, std::string body) {
        std::string headersString;
        for (auto const& [key, val] : headers) {
            headersString+=std::format("{}: {}\r\n", key, val);
        }
        return std::format("HTTP/1.1 {}\r\nConnection: keep-alive\r\nContent-Length: {}\r\n{}\r\n{}", status, body.size(), headersString, body);
    }

    export constexpr std::string CreateRequestHTTP(std::string method, std::string route, std::string host) {
		return std::format("{} {} HTTP/1.1\r\nConnection: keep-alive\r\nAccept-Encoding: identity\r\nContent-Length: 0\r\nHost: {}\r\n\r\n", method, route, host);
	}

	export constexpr std::string CreateRequestHTTP(std::string method, std::string route, std::string host, std::unordered_map<std::string, std::string> headers) {
		std::string headersString;
		for (auto const& [key, val] : headers) {
			headersString+=std::format("{}: {}\r\n", key, val);
		}
		return std::format("{} {} HTTP/1.1\r\nConnection: keep-alive\r\nContent-Length: 0\r\nAccept-Encoding: identity\r\nHost: {}\r\n{}\r\n", method, route, host, headersString);
	}

	export constexpr std::string CreateRequestHTTP(std::string method, std::string route, std::string host, std::string body) {
		return std::format("{} {} HTTP/1.1\r\nContent-Length: {}\r\nConnection: keep-alive\r\nAccept-Encoding: identity\r\nHost: {}\r\n\r\n{}", method, route, body.size(), host, body);
	}

	export constexpr std::string CreateRequestHTTP(std::string method, std::string route, std::string host, std::unordered_map<std::string, std::string> headers, std::string body) {
		std::string headersString;
		for (auto const& [key, val] : headers) {
			headersString+=std::format("{}: {}\r\n", key, val);
		}
		return std::format("{} {} HTTP/1.1\r\nConnection: keep-alive\r\nContent-Length: {}\r\nHost: {}\r\nAccept-Encoding: identity\r\n{}\r\n{}", method, route, body.size(), host, headersString, body);
	}
}