# HG changeset patch
# User Matthew Wild <mwild1@gmail.com>
# Date 1487588369 0
# Node ID 2ddb74805f91aacd09da60444743a8aaeef3b50f
# Parent  9d2bfff515b872b12669d0f4e50c0e8070518f3d
mod_firewall: Add 'file' backend for lists (read-only atm)

diff -r 9d2bfff515b8 -r 2ddb74805f91 mod_firewall/definitions.lib.lua
--- a/mod_firewall/definitions.lib.lua	Mon Feb 20 09:47:58 2017 +0000
+++ b/mod_firewall/definitions.lib.lua	Mon Feb 20 10:59:29 2017 +0000
@@ -139,6 +139,30 @@
 			return self.items and self.items[item] == true;
 		end;
 	};
+	file = {
+		init = function (list_backend, file_spec, opts)
+			local filename = file_spec:gsub("^file:");
+			local file, err = io.open(filename);
+			if not file then
+				module:log("warn", "Failed to open list from %s: %s", filename, err);
+				return;
+			end
+			local items = {};
+			for line in file:lines() do
+				items[line] = true;
+			end
+			self.items = items;
+		end;
+		add = function (self, item)
+			self.items[item] = true;
+		end;
+		remove = function (self, item)
+			self.items[item] = nil;
+		end;
+		contains = function (self, item)
+			return self.items and self.items[item] == true;
+		end;
+	};
 };
 list_backends.https = list_backends.http;