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Replace auth.txt with SQLite auth database (#7279)

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* Replace auth.txt with SQLite auth database
This commit is contained in:
Ben Deutsch 2018-08-05 13:13:38 +02:00 • committed by Loïc Blot
parent 1836882495
commit 153fb211ac
19 changed files with 1153 additions and 82 deletions
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101
src/serverenvironment.cpp
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@ -414,6 +414,18 @@ ServerEnvironment::ServerEnvironment(ServerMap *map,
std::string name;
conf.getNoEx("player_backend", name);
m_player_database = openPlayerDatabase(name, path_world, conf);
std::string auth_name = "files";
if (conf.exists("auth_backend")) {
conf.getNoEx("auth_backend", auth_name);
} else {
conf.set("auth_backend", "files");
if (!conf.updateConfigFile(conf_path.c_str())) {
errorstream << "ServerEnvironment::ServerEnvironment(): "
<< "Failed to update world.mt!" << std::endl;
}
}
m_auth_database = openAuthDatabase(auth_name, path_world, conf);
}
ServerEnvironment::~ServerEnvironment()
@ -439,6 +451,7 @@ ServerEnvironment::~ServerEnvironment()
}
delete m_player_database;
delete m_auth_database;
}
Map & ServerEnvironment::getMap()
@ -2274,3 +2287,91 @@ bool ServerEnvironment::migratePlayersDatabase(const GameParams &game_params,
}
return true;
}
AuthDatabase *ServerEnvironment::openAuthDatabase(
const std::string &name, const std::string &savedir, const Settings &conf)
{
if (name == "sqlite3")
return new AuthDatabaseSQLite3(savedir);
if (name == "files")
return new AuthDatabaseFiles(savedir);
throw BaseException(std::string("Database backend ") + name + " not supported.");
}
bool ServerEnvironment::migrateAuthDatabase(
const GameParams &game_params, const Settings &cmd_args)
{
std::string migrate_to = cmd_args.get("migrate-auth");
Settings world_mt;
std::string world_mt_path = game_params.world_path + DIR_DELIM + "world.mt";
if (!world_mt.readConfigFile(world_mt_path.c_str())) {
errorstream << "Cannot read world.mt!" << std::endl;
return false;
}
std::string backend = "files";
if (world_mt.exists("auth_backend"))
backend = world_mt.get("auth_backend");
else
warningstream << "No auth_backend found in world.mt, "
"assuming \"files\"." << std::endl;
if (backend == migrate_to) {
errorstream << "Cannot migrate: new backend is same"
<< " as the old one" << std::endl;
return false;
}
try {
const std::unique_ptr<AuthDatabase> srcdb(ServerEnvironment::openAuthDatabase(
backend, game_params.world_path, world_mt));
const std::unique_ptr<AuthDatabase> dstdb(ServerEnvironment::openAuthDatabase(
migrate_to, game_params.world_path, world_mt));
std::vector<std::string> names_list;
srcdb->listNames(names_list);
for (const std::string &name : names_list) {
actionstream << "Migrating auth entry for " << name << std::endl;
bool success;
AuthEntry authEntry;
success = srcdb->getAuth(name, authEntry);
success = success && dstdb->createAuth(authEntry);
if (!success)
errorstream << "Failed to migrate " << name << std::endl;
}
actionstream << "Successfully migrated " << names_list.size()
<< " auth entries" << std::endl;
world_mt.set("auth_backend", migrate_to);
if (!world_mt.updateConfigFile(world_mt_path.c_str()))
errorstream << "Failed to update world.mt!" << std::endl;
else
actionstream << "world.mt updated" << std::endl;
if (backend == "files") {
// special-case files migration:
// move auth.txt to auth.txt.bak if possible
std::string auth_txt_path =
game_params.world_path + DIR_DELIM + "auth.txt";
std::string auth_bak_path = auth_txt_path + ".bak";
if (!fs::PathExists(auth_bak_path))
if (fs::Rename(auth_txt_path, auth_bak_path))
actionstream << "Renamed auth.txt to auth.txt.bak"
<< std::endl;
else
errorstream << "Could not rename auth.txt to "
"auth.txt.bak" << std::endl;
else
warningstream << "auth.txt.bak already exists, auth.txt "
"not renamed" << std::endl;
}
} catch (BaseException &e) {
errorstream << "An error occured during migration: " << e.what()
<< std::endl;
return false;
}
return true;
}