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code/modules/admin/whitelist.dm

@@ -0,0 +1,23 @@
+#define WHITELISTFILE "[global.config.directory]/whitelist.txt"
+
+GLOBAL_LIST(whitelist)
+GLOBAL_PROTECT(whitelist)
+
+/proc/load_whitelist()
+	GLOB.whitelist = list()
+	for(var/line in world.file2list(WHITELISTFILE))
+		if(!line)
+			continue
+		if(findtextEx(line,"#",1,2))
+			continue
+		GLOB.whitelist += ckey(line)
+
+	if(!GLOB.whitelist.len)
+		GLOB.whitelist = null
+
+/proc/check_whitelist(var/ckey)
+	if(!GLOB.whitelist)
+		return FALSE
+	. = (ckey in GLOB.whitelist)
+
+#undef WHITELISTFILE