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- /*
- Minetest
- Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
- This program 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 2.1 of the License, or
- (at your option) any later version.
- 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 Lesser General Public License for more details.
- You should have received a copy of the GNU Lesser General Public License along
- with this program; if not, write to the Free Software Foundation, Inc.,
- 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
- #include <iostream>
- #include <sstream>
- #include <algorithm>
- #include "version.h"
- #include "main.h" // for g_settings
- #include "settings.h"
- #include "serverlist.h"
- #include "filesys.h"
- #include "porting.h"
- #include "log.h"
- #include "json/json.h"
- #include "convert_json.h"
- #include "httpfetch.h"
- #include "util/string.h"
- namespace ServerList
- {
- std::string getFilePath()
- {
- std::string serverlist_file = g_settings->get("serverlist_file");
- std::string dir_path = "client" DIR_DELIM "serverlist" DIR_DELIM;
- fs::CreateDir(porting::path_user + DIR_DELIM "client");
- fs::CreateDir(porting::path_user + DIR_DELIM + dir_path);
- return porting::path_user + DIR_DELIM + dir_path + serverlist_file;
- }
- std::vector<ServerListSpec> getLocal()
- {
- std::string path = ServerList::getFilePath();
- std::string liststring;
- if (fs::PathExists(path)) {
- std::ifstream istream(path.c_str());
- if (istream.is_open()) {
- std::ostringstream ostream;
- ostream << istream.rdbuf();
- liststring = ostream.str();
- istream.close();
- }
- }
- return deSerialize(liststring);
- }
- std::vector<ServerListSpec> getOnline()
- {
- Json::Value root = fetchJsonValue(
- (g_settings->get("serverlist_url") + "/list").c_str(), NULL);
- std::vector<ServerListSpec> server_list;
- if (!root.isObject()) {
- return server_list;
- }
- root = root["list"];
- if (!root.isArray()) {
- return server_list;
- }
- for (unsigned int i = 0; i < root.size(); i++) {
- if (root[i].isObject()) {
- server_list.push_back(root[i]);
- }
- }
- return server_list;
- }
- // Delete a server from the local favorites list
- bool deleteEntry(const ServerListSpec &server)
- {
- std::vector<ServerListSpec> serverlist = ServerList::getLocal();
- for (std::vector<ServerListSpec>::iterator it = serverlist.begin();
- it != serverlist.end();) {
- if ((*it)["address"] == server["address"] &&
- (*it)["port"] == server["port"]) {
- it = serverlist.erase(it);
- } else {
- ++it;
- }
- }
- std::string path = ServerList::getFilePath();
- std::ostringstream ss(std::ios_base::binary);
- ss << ServerList::serialize(serverlist);
- if (!fs::safeWriteToFile(path, ss.str()))
- return false;
- return true;
- }
- // Insert a server to the local favorites list
- bool insert(const ServerListSpec &server)
- {
- // Remove duplicates
- ServerList::deleteEntry(server);
- std::vector<ServerListSpec> serverlist = ServerList::getLocal();
- // Insert new server at the top of the list
- serverlist.insert(serverlist.begin(), server);
- std::string path = ServerList::getFilePath();
- std::ostringstream ss(std::ios_base::binary);
- ss << ServerList::serialize(serverlist);
- if (!fs::safeWriteToFile(path, ss.str()))
- return false;
- return true;
- }
- std::vector<ServerListSpec> deSerialize(const std::string &liststring)
- {
- std::vector<ServerListSpec> serverlist;
- std::istringstream stream(liststring);
- std::string line, tmp;
- while (std::getline(stream, line)) {
- std::transform(line.begin(), line.end(), line.begin(), ::toupper);
- if (line == "[SERVER]") {
- ServerListSpec server;
- std::getline(stream, tmp);
- server["name"] = tmp;
- std::getline(stream, tmp);
- server["address"] = tmp;
- std::getline(stream, tmp);
- server["port"] = tmp;
- std::getline(stream, tmp);
- server["description"] = tmp;
- serverlist.push_back(server);
- }
- }
- return serverlist;
- }
- const std::string serialize(const std::vector<ServerListSpec> &serverlist)
- {
- std::string liststring;
- for (std::vector<ServerListSpec>::const_iterator it = serverlist.begin();
- it != serverlist.end();
- it++) {
- liststring += "[server]\n";
- liststring += (*it)["name"].asString() + '\n';
- liststring += (*it)["address"].asString() + '\n';
- liststring += (*it)["port"].asString() + '\n';
- liststring += (*it)["description"].asString() + '\n';
- liststring += '\n';
- }
- return liststring;
- }
- const std::string serializeJson(const std::vector<ServerListSpec> &serverlist)
- {
- Json::Value root;
- Json::Value list(Json::arrayValue);
- for (std::vector<ServerListSpec>::const_iterator it = serverlist.begin();
- it != serverlist.end();
- it++) {
- list.append(*it);
- }
- root["list"] = list;
- Json::FastWriter writer;
- return writer.write(root);
- }
- #if USE_CURL
- void sendAnnounce(const std::string &action,
- const std::vector<std::string> &clients_names,
- const double uptime,
- const u32 game_time,
- const float lag,
- const std::string &gameid,
- const std::vector<ModSpec> &mods)
- {
- Json::Value server;
- server["action"] = action;
- server["port"] = g_settings->getU16("port");
- if (g_settings->exists("server_address")) {
- server["address"] = g_settings->get("server_address");
- }
- if (action != "delete") {
- server["name"] = g_settings->get("server_name");
- server["description"] = g_settings->get("server_description");
- server["version"] = minetest_version_simple;
- server["url"] = g_settings->get("server_url");
- server["creative"] = g_settings->getBool("creative_mode");
- server["damage"] = g_settings->getBool("enable_damage");
- server["password"] = g_settings->getBool("disallow_empty_password");
- server["pvp"] = g_settings->getBool("enable_pvp");
- server["uptime"] = (int) uptime;
- server["game_time"] = game_time;
- server["clients"] = (int) clients_names.size();
- server["clients_max"] = g_settings->getU16("max_users");
- server["clients_list"] = Json::Value(Json::arrayValue);
- for (std::vector<std::string>::const_iterator it = clients_names.begin();
- it != clients_names.end();
- ++it) {
- server["clients_list"].append(*it);
- }
- if (gameid != "") server["gameid"] = gameid;
- }
- if (action == "start") {
- server["dedicated"] = g_settings->getBool("server_dedicated");
- server["rollback"] = g_settings->getBool("enable_rollback_recording");
- server["mapgen"] = g_settings->get("mg_name");
- server["privs"] = g_settings->get("default_privs");
- server["can_see_far_names"] = g_settings->getBool("unlimited_player_transfer_distance");
- server["mods"] = Json::Value(Json::arrayValue);
- for (std::vector<ModSpec>::const_iterator it = mods.begin();
- it != mods.end();
- ++it) {
- server["mods"].append(it->name);
- }
- actionstream << "Announcing to " << g_settings->get("serverlist_url") << std::endl;
- } else {
- if (lag)
- server["lag"] = lag;
- }
- Json::FastWriter writer;
- HTTPFetchRequest fetch_request;
- fetch_request.url = g_settings->get("serverlist_url") + std::string("/announce");
- fetch_request.post_fields["json"] = writer.write(server);
- fetch_request.multipart = true;
- httpfetch_async(fetch_request);
- }
- #endif
- } //namespace ServerList
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