public void SendConnectionMessage(PhotonMessageInfo pmi) //Ping
{
Logger.Info("Received ping, Sending pong");
ModMessageHelper.Instance.photonView.RPC("ReceiveConnectionMessage", pmi.sender, new object[]
{
MPModChecks.GetModList(),
FileVersionInfo.GetVersionInfo(Assembly.GetExecutingAssembly().Location).FileVersion
});
}
static bool Prefix(ref RoomInfo room)
{
//overall basic description: checks if it is possible to join room based on mods installed locally and on the server
string LocalMods = MPModChecks.GetMPModList();
string MPMods = MPModChecks.GetHostModList(room);
Logger.Info($"Joining room: {room.Name} MPmodlist: {room.CustomProperties["modList"]} Localmodlist: {LocalMods}");
if (!string.IsNullOrEmpty(LocalMods))
{
Logger.Info("Modlist != NullOrEmpty");
if (MPMods != LocalMods)
{
string missingmods = string.Empty;
string[] localmodlist = LocalMods.Split('\n');
foreach (string plugin in localmodlist)
{
//Logger.Info("Checking client mod " + plugin);
if (!string.IsNullOrEmpty(plugin) && !MPMods.Contains(plugin))
{
missingmods += plugin + "\n";
}
}
string[] MPmodlist = MPMods.Split('\n');
if (missingmods != string.Empty)
{
Logger.Info("Client mods good, checking server mods");
foreach (string plugin in MPmodlist)
{
//Logger.Info("Checking Server mod " + plugin);
if (!string.IsNullOrEmpty(plugin) && !LocalMods.Contains(plugin) && plugin.Contains("MPF3"))
{
missingmods += plugin + "\n";
}
}
if (missingmods != string.Empty)
{
Logger.Info("Server plugin list is not equal to local plugin list");
PLNetworkManager.Instance.MainMenu.AddActiveMenu(new PLErrorMessageMenu($"Failed to join crew! The Server is missing the following mods or is not up to date (try uninstalling/updating):\n{missingmods}"));
return(false);
}
}
PLNetworkManager.Instance.MainMenu.AddActiveMenu(new PLErrorMessageMenu($"Failed to join crew! You are missing the following mods or the mods are not up to date:\n{missingmods}"));
Logger.Info("Local Plugin list is not equal to Server plugin list");
return(false);
}
}
Logger.Info("Modcheck passed, proceding ondwards");
return(true);
}
static bool Prefix(ref PhotonMessageInfo pmi)
{
//Utilities.Logger.Info("About to check if containskey. isMasterClient: " + PhotonNetwork.isMasterClient.ToString());
bool foundplayer = false;
if (ModMessageHelper.Instance.GetPlayerMods(pmi.sender) != "NoPlayer")
{ //checks if server has received mod list from client. request for mod list is sent in the class 'PrefixServerOnClientJoin'
foundplayer = true;
}
Utilities.Logger.Info("tried finding player, returned " + foundplayer.ToString());
//Checks mod list
if (foundplayer) //If server received mod list from client
{
string missingmods = string.Empty;
string LocalMods = MPModChecks.GetMPModList();
string clientmods = ModMessageHelper.Instance.GetPlayerMods(pmi.sender);
Logger.Info($"Starting Serverside Mod check");
if (clientmods != LocalMods) //if the client's modlist isn't equal to the local mod list
{
Logger.Info($"Checking if client is missing required mods");
string[] localmodlist = LocalMods.Split('\n');
foreach (string plugin in localmodlist) //check local multiplayer mods to see if the client has required mods
{
if (!string.IsNullOrWhiteSpace(plugin) && !clientmods.Contains(plugin) && plugin.Contains("MPF3"))
{
missingmods += plugin;
}
}
if (missingmods == string.Empty) //if nothing was added to the missing mod list check if the client needs something the server doesn't.
{
Logger.Info($"Client isn't missing mods, checking if client has mods that require server installation");
string[] clientmodlist = clientmods.Split('\n');
foreach (string plugin in clientmodlist)
{
if (!string.IsNullOrWhiteSpace(plugin) && !LocalMods.Contains(plugin) && (plugin.Contains("MPF2") || plugin.Contains("MPF3")))
{
missingmods += plugin;
}
}
if (missingmods != string.Empty) //Client has non-server mods
{
Logger.Info("Client has non-server multiplayer mods");
string message = $"You have been disconnected for having the following mods (try removing them):\n{missingmods}";
ModMessageHelper.Instance.photonView.RPC("RecieveErrorMessage", pmi.sender, new object[] { message });
if (SteamManager.Initialized && pmi.sender.SteamID != CSteamID.Nil)
{
SteamUser.EndAuthSession(pmi.sender.SteamID);
}
PhotonNetwork.CloseConnection(pmi.sender);
return(false);
}
}
else //client is missing server mods
{
Logger.Info("client is missing server mods");
string message = $"You have been disconnected for not having the following mods (try installing them):\n{missingmods}";
ModMessageHelper.Instance.photonView.RPC("RecieveErrorMessage", pmi.sender, new object[] { message });
if (SteamManager.Initialized && pmi.sender.SteamID != CSteamID.Nil)
{
SteamUser.EndAuthSession(pmi.sender.SteamID);
}
PhotonNetwork.CloseConnection(pmi.sender);
return(false);
}
}
Logger.Info("Modcheck passed, proceding ondwards");
}
else //client wasn't found in mod list
{
if (ModMessageHelper.ServerHasMPMods) //small vulnerability: if a client with mods disables the pong message, they can still connect with their multiplayer mods
{
Utilities.Logger.Info("Didn't receive message or proper modlist. proceeding to kick PhotonPlayer");
string message = $"You have been disconnected for not having the mod loader installed";
ModMessageHelper.Instance.photonView.RPC("RecieveErrorMessage", pmi.sender, new object[] { message });
if (SteamManager.Initialized && pmi.sender.SteamID != CSteamID.Nil)
{
SteamUser.EndAuthSession(pmi.sender.SteamID);
}
PhotonNetwork.CloseConnection(pmi.sender);
return(false);
}
Utilities.Logger.Info("Didn't receive message or proper modlist, but the server doesn't have multiplayer explicit mods. Proceeding onwards");
}
return(true);
}
