80 lines
2.3 KiB
Lua
80 lines
2.3 KiB
Lua
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-- No guests mod.
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-- By VanessaE, sfan5, and kaeza.
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local disallowed = {
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["guest"] = "Guest accounts are disallowed on this server. "..
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"Please choose a proper username and try again.",
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["[4a]dm[1il]n"] = "That is a clearly false, misleading, or otherwise disallowed username. "..
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"Please choose a unique username and try again.",
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["^[0-9]+$"] = "All-numeric usernames are disallowed on this server. "..
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"Please choose a proper username and try again.",
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["[0-9].-[0-9].-[0-9].-[0-9].-[0-9]"] = "Too many numbers in your username. "..
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"Please try again with less than five digits in your username.",
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["[A-Z][a-z]+[0-9][0-9][0-9]"] = "Please choose your own nickname!",
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}
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-- Original implementation (in Python) by sfan5
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local function judge(msg)
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local numspeakable = 0
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local numnotspeakable = 0
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local cn = 0
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local lastc = '____'
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for c in msg:gmatch(".") do
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c = c:lower()
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if c:find("[aeiou0-9_-]") then
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if cn > 2 and not c:find("[0-9]") then
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numnotspeakable = numnotspeakable + 1
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elseif not c:find("[0-9]") then
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numspeakable = numspeakable + 1
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end
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cn = 0
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else
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if (cn == 1) and (lastc == c) and (lastc ~= 's') then
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numnotspeakable = numnotspeakable + 1
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cn = 0
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end
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if cn > 2 then
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numnotspeakable = numnotspeakable + 1
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cn = 0
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end
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if lastc:find("[aeiou]") then
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numspeakable = numspeakable + 1
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cn = 0
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end
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if not ((lastc:find("[aipfom]") and c == "r") or (lastc == "c" and c == "h")) then
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cn = cn + 1
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end
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end
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lastc = c
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end
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if cn > 0 then
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numnotspeakable = numnotspeakable + 1
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end
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return (numspeakable >= numnotspeakable)
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end
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minetest.register_on_prejoinplayer(function(name, ip)
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if minetest.player_exists(name) then
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return
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end
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local lname = name:lower()
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for re, reason in pairs(disallowed) do
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if lname:find(re) then
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return reason
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end
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end
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if #name < 2 then
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return "Too short of a username. "..
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"Please pick a name with at least two letters and try again."
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end
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if not judge(name) and #name > 5 then
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return "Your username just plain looks like gibberish. "..
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"Please pick something readable and try again."
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end
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end)
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