--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/HTTPClient.h	Sat Mar 12 20:48:25 2022 +0100
@@ -0,0 +1,82 @@
+/**
+ * Relational pipes
+ * Copyright © 2022 František Kučera (Frantovo.cz, GlobalCode.info)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 3 of the License.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+#pragma once
+
+#include <string>
+#include <vector>
+
+#include <relpipe/common/type/typedefs.h>
+
+
+namespace relpipe {
+namespace tr {
+namespace http {
+
+/**
+ * Simple synchronous client for the HTTP and HTTPS protocol.
+ * Is not thread-safe – must not be called from multiple threads simultaneously.
+ */
+class HTTPClient {
+private:
+	class HTTPClientImpl;
+	HTTPClientImpl* impl;
+
+	HTTPClient(HTTPClientImpl* impl) : impl(impl) {
+	}
+
+
+public:
+
+	enum class Method {
+		GET,
+		HEAD,
+		POST,
+		PUT,
+		DELETE,
+		// CONNECT,
+		// OPTIONS,
+		// TRACE,
+		PATCH,
+	};
+
+	struct Request {
+		Method method = Method::GET;
+		std::string url;
+		std::vector<std::string> headers;
+		std::string body;
+	};
+
+	struct Response {
+		bool success = false;
+		int responseCode = 0;
+		std::vector<std::string> headers;
+		std::string body;
+	};
+
+	virtual ~HTTPClient();
+	HTTPClient(const HTTPClient&) = delete;
+	HTTPClient& operator=(const HTTPClient&) = delete;
+
+	static HTTPClient* open();
+
+	const Response exchange(const Request& request);
+
+};
+
+}
+}
+}