multiplayer: check nickname regex server side

This commit is contained in:
zhupengfei 2018-11-02 20:17:25 +08:00
parent e040bc9355
commit 3c589f473f
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GPG Key ID: DD129E108BD09378
4 changed files with 13 additions and 6 deletions

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@ -12,8 +12,8 @@ const ConnectionError USERNAME_NOT_VALID(
QT_TR_NOOP("Username is not valid. Must be 4 to 20 alphanumeric characters."));
const ConnectionError ROOMNAME_NOT_VALID(
QT_TR_NOOP("Room name is not valid. Must be 4 to 20 alphanumeric characters."));
const ConnectionError USERNAME_IN_USE(
QT_TR_NOOP("Username is already in use. Please choose another."));
const ConnectionError USERNAME_NOT_VALID_SERVER(
QT_TR_NOOP("Username is already in use or not valid. Please choose another."));
const ConnectionError IP_ADDRESS_NOT_VALID(QT_TR_NOOP("IP is not a valid IPv4 address."));
const ConnectionError PORT_NOT_VALID(QT_TR_NOOP("Port must be a number between 0 to 65535."));
const ConnectionError NO_INTERNET(

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@ -20,9 +20,11 @@ private:
std::string err;
};
/// When the nickname is considered invalid by the client
extern const ConnectionError USERNAME_NOT_VALID;
extern const ConnectionError ROOMNAME_NOT_VALID;
extern const ConnectionError USERNAME_IN_USE;
/// When the nickname is considered invalid by the room server
extern const ConnectionError USERNAME_NOT_VALID_SERVER;
extern const ConnectionError IP_ADDRESS_NOT_VALID;
extern const ConnectionError PORT_NOT_VALID;
extern const ConnectionError NO_INTERNET;

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@ -97,7 +97,7 @@ void MultiplayerState::OnNetworkStateChanged(const Network::RoomMember::State& s
NetworkMessage::ShowError(NetworkMessage::UNABLE_TO_CONNECT);
break;
case Network::RoomMember::State::NameCollision:
NetworkMessage::ShowError(NetworkMessage::USERNAME_IN_USE);
NetworkMessage::ShowError(NetworkMessage::USERNAME_NOT_VALID_SERVER);
break;
case Network::RoomMember::State::MacCollision:
NetworkMessage::ShowError(NetworkMessage::MAC_COLLISION);

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@ -7,6 +7,7 @@
#include <iomanip>
#include <mutex>
#include <random>
#include <regex>
#include <sstream>
#include <thread>
#include "common/logging/log.h"
@ -263,8 +264,12 @@ void Room::RoomImpl::HandleJoinRequest(const ENetEvent* event) {
}
bool Room::RoomImpl::IsValidNickname(const std::string& nickname) const {
// A nickname is valid if it is not already taken by anybody else in the room.
// TODO(B3N30): Check for empty names, spaces, etc.
// A nickname is valid if it matches the regex and is not already taken by anybody else in the
// room.
const std::regex nickname_regex("^[ a-zA-Z0-9._-]{4,20}$");
if (!std::regex_match(nickname, nickname_regex))
return false;
std::lock_guard<std::mutex> lock(member_mutex);
return std::all_of(members.begin(), members.end(),
[&nickname](const auto& member) { return member.nickname != nickname; });