Lime3DS/src/web_service/web_backend.h
2018-09-17 14:28:58 -04:00

92 lines
3.1 KiB
C++

// 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/announce_multiplayer_room.h"
#include "common/common_types.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