123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378 |
- /*
- Minetest
- Copyright (C) 2017 nerzhul, Loic Blot <loic.blot@unix-experience.fr>
- 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 <cassert>
- #include <json/json.h>
- #include "convert_json.h"
- #include "database-files.h"
- #include "remoteplayer.h"
- #include "settings.h"
- #include "porting.h"
- #include "filesys.h"
- #include "server/player_sao.h"
- #include "util/string.h"
- // !!! WARNING !!!
- // This backend is intended to be used on Minetest 0.4.16 only for the transition backend
- // for player files
- PlayerDatabaseFiles::PlayerDatabaseFiles(const std::string &savedir) : m_savedir(savedir)
- {
- fs::CreateDir(m_savedir);
- }
- void PlayerDatabaseFiles::deSerialize(RemotePlayer *p, std::istream &is,
- const std::string &playername, PlayerSAO *sao)
- {
- Settings args("PlayerArgsEnd");
- if (!args.parseConfigLines(is)) {
- throw SerializationError("PlayerArgsEnd of player " + playername + " not found!");
- }
- p->m_dirty = true;
- //args.getS32("version"); // Version field value not used
- const std::string &name = args.get("name");
- strlcpy(p->m_name, name.c_str(), PLAYERNAME_SIZE);
- if (sao) {
- try {
- sao->setHPRaw(args.getU16("hp"));
- } catch(SettingNotFoundException &e) {
- sao->setHPRaw(PLAYER_MAX_HP_DEFAULT);
- }
- try {
- sao->setBasePosition(args.getV3F("position"));
- } catch (SettingNotFoundException &e) {}
- try {
- sao->setLookPitch(args.getFloat("pitch"));
- } catch (SettingNotFoundException &e) {}
- try {
- sao->setPlayerYaw(args.getFloat("yaw"));
- } catch (SettingNotFoundException &e) {}
- try {
- sao->setBreath(args.getU16("breath"), false);
- } catch (SettingNotFoundException &e) {}
- try {
- const std::string &extended_attributes = args.get("extended_attributes");
- std::istringstream iss(extended_attributes);
- Json::CharReaderBuilder builder;
- builder.settings_["collectComments"] = false;
- std::string errs;
- Json::Value attr_root;
- Json::parseFromStream(builder, iss, &attr_root, &errs);
- const Json::Value::Members attr_list = attr_root.getMemberNames();
- for (const auto &it : attr_list) {
- Json::Value attr_value = attr_root[it];
- sao->getMeta().setString(it, attr_value.asString());
- }
- sao->getMeta().setModified(false);
- } catch (SettingNotFoundException &e) {}
- }
- try {
- p->inventory.deSerialize(is);
- } catch (SerializationError &e) {
- errorstream << "Failed to deserialize player inventory. player_name="
- << name << " " << e.what() << std::endl;
- }
- if (!p->inventory.getList("craftpreview") && p->inventory.getList("craftresult")) {
- // Convert players without craftpreview
- p->inventory.addList("craftpreview", 1);
- bool craftresult_is_preview = true;
- if(args.exists("craftresult_is_preview"))
- craftresult_is_preview = args.getBool("craftresult_is_preview");
- if(craftresult_is_preview)
- {
- // Clear craftresult
- p->inventory.getList("craftresult")->changeItem(0, ItemStack());
- }
- }
- }
- void PlayerDatabaseFiles::serialize(RemotePlayer *p, std::ostream &os)
- {
- // Utilize a Settings object for storing values
- Settings args("PlayerArgsEnd");
- args.setS32("version", 1);
- args.set("name", p->m_name);
- // This should not happen
- PlayerSAO *sao = p->getPlayerSAO();
- assert(sao);
- args.setU16("hp", sao->getHP());
- args.setV3F("position", sao->getBasePosition());
- args.setFloat("pitch", sao->getLookPitch());
- args.setFloat("yaw", sao->getRotation().Y);
- args.setU16("breath", sao->getBreath());
- std::string extended_attrs;
- {
- // serializeExtraAttributes
- Json::Value json_root;
- const StringMap &attrs = sao->getMeta().getStrings();
- for (const auto &attr : attrs) {
- json_root[attr.first] = attr.second;
- }
- extended_attrs = fastWriteJson(json_root);
- }
- args.set("extended_attributes", extended_attrs);
- args.writeLines(os);
- p->inventory.serialize(os);
- }
- void PlayerDatabaseFiles::savePlayer(RemotePlayer *player)
- {
- fs::CreateDir(m_savedir);
- std::string savedir = m_savedir + DIR_DELIM;
- std::string path = savedir + player->getName();
- bool path_found = false;
- RemotePlayer testplayer("", NULL);
- for (u32 i = 0; i < PLAYER_FILE_ALTERNATE_TRIES && !path_found; i++) {
- if (!fs::PathExists(path)) {
- path_found = true;
- continue;
- }
- // Open and deserialize file to check player name
- std::ifstream is(path.c_str(), std::ios_base::binary);
- if (!is.good()) {
- errorstream << "Failed to open " << path << std::endl;
- return;
- }
- deSerialize(&testplayer, is, path, NULL);
- is.close();
- if (strcmp(testplayer.getName(), player->getName()) == 0) {
- path_found = true;
- continue;
- }
- path = savedir + player->getName() + itos(i);
- }
- if (!path_found) {
- errorstream << "Didn't find free file for player " << player->getName()
- << std::endl;
- return;
- }
- // Open and serialize file
- std::ostringstream ss(std::ios_base::binary);
- serialize(&testplayer, ss);
- if (!fs::safeWriteToFile(path, ss.str())) {
- infostream << "Failed to write " << path << std::endl;
- }
- player->onSuccessfulSave();
- }
- bool PlayerDatabaseFiles::removePlayer(const std::string &name)
- {
- std::string players_path = m_savedir + DIR_DELIM;
- std::string path = players_path + name;
- RemotePlayer temp_player("", NULL);
- for (u32 i = 0; i < PLAYER_FILE_ALTERNATE_TRIES; i++) {
- // Open file and deserialize
- std::ifstream is(path.c_str(), std::ios_base::binary);
- if (!is.good())
- continue;
- deSerialize(&temp_player, is, path, NULL);
- is.close();
- if (temp_player.getName() == name) {
- fs::DeleteSingleFileOrEmptyDirectory(path);
- return true;
- }
- path = players_path + name + itos(i);
- }
- return false;
- }
- bool PlayerDatabaseFiles::loadPlayer(RemotePlayer *player, PlayerSAO *sao)
- {
- std::string players_path = m_savedir + DIR_DELIM;
- std::string path = players_path + player->getName();
- const std::string player_to_load = player->getName();
- for (u32 i = 0; i < PLAYER_FILE_ALTERNATE_TRIES; i++) {
- // Open file and deserialize
- std::ifstream is(path.c_str(), std::ios_base::binary);
- if (!is.good())
- continue;
- deSerialize(player, is, path, sao);
- is.close();
- if (player->getName() == player_to_load)
- return true;
- path = players_path + player_to_load + itos(i);
- }
- infostream << "Player file for player " << player_to_load << " not found" << std::endl;
- return false;
- }
- void PlayerDatabaseFiles::listPlayers(std::vector<std::string> &res)
- {
- std::vector<fs::DirListNode> files = fs::GetDirListing(m_savedir);
- // list files into players directory
- for (std::vector<fs::DirListNode>::const_iterator it = files.begin(); it !=
- files.end(); ++it) {
- // Ignore directories
- if (it->dir)
- continue;
- const std::string &filename = it->name;
- std::string full_path = m_savedir + DIR_DELIM + filename;
- std::ifstream is(full_path.c_str(), std::ios_base::binary);
- if (!is.good())
- continue;
- RemotePlayer player(filename.c_str(), NULL);
- // Null env & dummy peer_id
- PlayerSAO playerSAO(NULL, &player, 15789, false);
- deSerialize(&player, is, "", &playerSAO);
- is.close();
- res.emplace_back(player.getName());
- }
- }
- AuthDatabaseFiles::AuthDatabaseFiles(const std::string &savedir) : m_savedir(savedir)
- {
- readAuthFile();
- }
- bool AuthDatabaseFiles::getAuth(const std::string &name, AuthEntry &res)
- {
- const auto res_i = m_auth_list.find(name);
- if (res_i == m_auth_list.end()) {
- return false;
- }
- res = res_i->second;
- return true;
- }
- bool AuthDatabaseFiles::saveAuth(const AuthEntry &authEntry)
- {
- m_auth_list[authEntry.name] = authEntry;
- // save entire file
- return writeAuthFile();
- }
- bool AuthDatabaseFiles::createAuth(AuthEntry &authEntry)
- {
- m_auth_list[authEntry.name] = authEntry;
- // save entire file
- return writeAuthFile();
- }
- bool AuthDatabaseFiles::deleteAuth(const std::string &name)
- {
- if (!m_auth_list.erase(name)) {
- // did not delete anything -> hadn't existed
- return false;
- }
- return writeAuthFile();
- }
- void AuthDatabaseFiles::listNames(std::vector<std::string> &res)
- {
- res.clear();
- res.reserve(m_auth_list.size());
- for (const auto &res_pair : m_auth_list) {
- res.push_back(res_pair.first);
- }
- }
- void AuthDatabaseFiles::reload()
- {
- readAuthFile();
- }
- bool AuthDatabaseFiles::readAuthFile()
- {
- std::string path = m_savedir + DIR_DELIM + "auth.txt";
- std::ifstream file(path, std::ios::binary);
- if (!file.good()) {
- return false;
- }
- m_auth_list.clear();
- while (file.good()) {
- std::string line;
- std::getline(file, line);
- std::vector<std::string> parts = str_split(line, ':');
- if (parts.size() < 3) // also: empty line at end
- continue;
- const std::string &name = parts[0];
- const std::string &password = parts[1];
- std::vector<std::string> privileges = str_split(parts[2], ',');
- s64 last_login = parts.size() > 3 ? atol(parts[3].c_str()) : 0;
- m_auth_list[name] = {
- 1,
- name,
- password,
- privileges,
- last_login,
- };
- }
- return true;
- }
- bool AuthDatabaseFiles::writeAuthFile()
- {
- std::string path = m_savedir + DIR_DELIM + "auth.txt";
- std::ostringstream output(std::ios_base::binary);
- for (const auto &auth_i : m_auth_list) {
- const AuthEntry &authEntry = auth_i.second;
- output << authEntry.name << ":" << authEntry.password << ":";
- output << str_join(authEntry.privileges, ",");
- output << ":" << authEntry.last_login;
- output << std::endl;
- }
- if (!fs::safeWriteToFile(path, output.str())) {
- infostream << "Failed to write " << path << std::endl;
- return false;
- }
- return true;
- }
|