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+// Copyright 2017 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <functional>
+#include <mutex>
+#include <string>
+#include <tuple>
+#include <httplib.h>
+#include "common/common_types.h"
+#include "common/web_result.h"
+
+namespace httplib {
+class Client;
+}
+
+namespace WebService {
+
+class Client {
+public:
+ Client(const std::string& host, const std::string& username, const std::string& token);
+
+ /**
+ * Posts JSON to the specified path.
+ * @param path the URL segment after the host address.
+ * @param data String of JSON data to use for the body of the POST request.
+ * @param allow_anonymous If true, allow anonymous unauthenticated requests.
+ * @return the result of the request.
+ */
+ Common::WebResult PostJson(const std::string& path, const std::string& data,
+ bool allow_anonymous) {
+ return GenericJson("POST", path, data, allow_anonymous);
+ }
+
+ /**
+ * Gets JSON from the specified path.
+ * @param path the URL segment after the host address.
+ * @param allow_anonymous If true, allow anonymous unauthenticated requests.
+ * @return the result of the request.
+ */
+ Common::WebResult GetJson(const std::string& path, bool allow_anonymous) {
+ return GenericJson("GET", path, "", allow_anonymous);
+ }
+
+ /**
+ * Deletes JSON to the specified path.
+ * @param path the URL segment after the host address.
+ * @param data String of JSON data to use for the body of the DELETE request.
+ * @param allow_anonymous If true, allow anonymous unauthenticated requests.
+ * @return the result of the request.
+ */
+ Common::WebResult DeleteJson(const std::string& path, const std::string& data,
+ bool allow_anonymous) {
+ return GenericJson("DELETE", path, data, allow_anonymous);
+ }
+
+private:
+ /// A generic function handles POST, GET and DELETE request together
+ Common::WebResult GenericJson(const std::string& method, const std::string& path,
+ const std::string& data, bool allow_anonymous);
+
+ /**
+ * A generic function with explicit authentication method specified
+ * JWT is used if the jwt parameter is not empty
+ * username + token is used if jwt is empty but username and token are not empty
+ * anonymous if all of jwt, username and token are empty
+ */
+ Common::WebResult GenericJson(const std::string& method, const std::string& path,
+ const std::string& data, const std::string& jwt = "",
+ const std::string& username = "", const std::string& token = "");
+
+ // Retrieve a new JWT from given username and token
+ void UpdateJWT();
+
+ std::string host;
+ std::string username;
+ std::string token;
+ std::string jwt;
+ std::unique_ptr<httplib::Client> cli;
+
+ struct JWTCache {
+ std::mutex mutex;
+ std::string username;
+ std::string token;
+ std::string jwt;
+ };
+ static JWTCache jwt_cache;
+};
+
+} // namespace WebService