/// <summary>Search CIDR bans with given IP</summary>
/// <param name="IP">IP string for searching</param>
/// <returns>CIDRBan object</returns>
public CIDRBan GetCIDRBanByIP(string check)
{
List <CIDRBan> banlist = new List <CIDRBan>();
try
{
using (var reader = db.QueryReader("SELECT * FROM CIDRBans"))
{
while (reader.Read())
{
banlist.Add(new CIDRBan(reader.Get <string>("CIDR"), reader.Get <string>("Reason"),
reader.Get <string>("BanningUser"), reader.Get <string>("Date"), reader.Get <string>("Expiration")));
}
//Check if the IP matches any of range in CIDR Ban List
foreach (CIDRBan ban in banlist)
{
if (CIDRBan.Check(check, ban.CIDR))
{
return(ban);
}
//If not, continue to next CIDR ban in range
}
}
}
catch (Exception ex)
{
TShock.Log.Error(ex.ToString());
}
return(null);
}
/// <summary>Delete all CIDR ranges matched up with an IP</summary>
/// <param name="ip">Specified IP</param>
/// <returns>List of CIDR range strings</returns>
public List <string> DelCIDRBanByIP(string ip)
{
List <CIDRBan> banlist = new List <CIDRBan>();
List <string> removelist = new List <string>();
try
{
using (var reader = db.QueryReader("SELECT * FROM CIDRBans"))
{
while (reader.Read())
{
banlist.Add(new CIDRBan(reader.Get <string>("CIDR"), reader.Get <string>("Reason"),
reader.Get <string>("BanningUser"), reader.Get <string>("Date"), reader.Get <string>("Expiration")));
}
//Check if the IP matches any of range in CIDR Ban List
foreach (CIDRBan ban in banlist)
{
if (CIDRBan.Check(ip, ban.CIDR))
{
removelist.Add(ban.CIDR);
}
//If true, add it to list for removal preparation
//Loop until every CIDR range in list is checked
}
}
//Start removing everything in prepared list
foreach (string removed in removelist)
{
db.Query("DELETE FROM CIDRBans WHERE CIDR = @0", removed);
}
//Inform players
return(removelist);
}
catch (Exception ex)
{
TShock.Log.Error(ex.ToString());
}
return(new List <string>());
}
/// <summary>Fired when a player joins the server</summary>
/// <param name="args">The JoinEventArgs object</param>
public void OnJoin(JoinEventArgs args)
{
//If player was disconnected by another component, skip
if (args.Handled)
{
return;
}
//If IP banning isn't used, skip
if (!TShock.Config.EnableIPBans)
{
return;
}
//Creates TSPlayer player object for easy access
TSPlayer player = TShock.Players[args.Who];
//Searches a ban by player's IP
CIDRBan ban = cidrbans.GetCIDRBanByIP(player.IP);
//If no ban is found or ban has expired, skip
if (ban == null)
{
return;
}
//DateTime exp object
DateTime exp;
//If player's ban has no expiration date, say ban forever
if (!DateTime.TryParse(ban.Expiration, out exp))
{
player.Disconnect("You are banned forever: " + ban.Reason);
}
//If player's ban is temporary, check if it has expired or not
else
{
//If player's ban has expired, remove the ban
if (DateTime.UtcNow >= exp)
{
cidrbans.DelCIDRBanByRange(ban.CIDR);
return;
}
//Finds time left from now to expiration date
TimeSpan ts = exp - DateTime.UtcNow;
//Makes 30 days count shows as one month
int months = ts.Days / 30;
//Converts timespan object into time string to inform player
if (months > 0)
{
player.Disconnect(String.Format("You are banned for {0} month{1} and {2} day{3}: {4}",
months, months == 1 ? "" : "s", ts.Days, ts.Days == 1 ? "" : "s", ban.Reason));
}
else if (ts.Days > 0)
{
player.Disconnect(String.Format("You are banned for {0} day{1} and {2} hour{3}: {4}",
ts.Days, ts.Days == 1 ? "" : "s", ts.Hours, ts.Hours == 1 ? "" : "s", ban.Reason));
}
else if (ts.Hours > 0)
{
player.Disconnect(String.Format("You are banned for {0} hour{1} and {2} minute{3}: {4}",
ts.Hours, ts.Hours == 1 ? "" : "s", ts.Minutes, ts.Minutes == 1 ? "" : "s", ban.Reason));
}
else if (ts.Minutes > 0)
{
player.Disconnect(String.Format("You are banned for {0} minute{1} and {2} second{3}: {4}",
ts.Minutes, ts.Minutes == 1 ? "" : "s", ts.Seconds, ts.Seconds == 1 ? "" : "s", ban.Reason));
}
else
{
player.Disconnect(String.Format("You are banned for {0} second{1}: {2}",
ts.Seconds, ts.Seconds == 1 ? "" : "s", ban.Reason));
}
}
//Sets player's connection handled
args.Handled = true;
}