Rewrite

src/util.lua

@@ -0,0 +1,20 @@
+--Base 64 encode -- for SASL authentication
+local b='ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'
+function mt_irc.b64e(data)
+	return ((data:gsub('.', function(x)
+		local r,b='',x:byte()
+		for i=8,1,-1 do r=r..(b%2^i-b%2^(i-1)>0 and '1' or '0') end
+		return r;
+	end)..'0000'):gsub('%d%d%d?%d?%d?%d?', function(x)
+		if (#x < 6) then return '' end
+		local c=0
+		for i=1,6 do c=c+(x:sub(i,i)=='1' and 2^(6-i) or 0) end
+		return b:sub(c+1,c+1)
+	end)..({ '', '==', '=' })[#data%3+1])
+end
+
+
+-- Requested by Exio
+string.expandvars = function(s, vars)
+        return s:gsub("%$%(([^)]+)%)", vars)
+end