2 module:depends("http");
4 local server = require "net.http.server";
5 local codes = require "net.http.codes";
6 local termcolours = require "util.termcolours";
8 local show_private = module:get_option_boolean("http_errors_detailed", false);
9 local always_serve = module:get_option_boolean("http_errors_always_show", true);
10 local default_message = { module:get_option_string("http_errors_default_message", "That's all I know.") };
11 local default_messages = {
12 [400] = { "What kind of request do you call that??" };
13 [403] = { "You're not allowed to do that." };
14 [404] = { "Whatever you were looking for is not here. %";
15 "Where did you put it?", "It's behind you.", "Keep looking." };
16 [500] = { "% Check your error log for more info.";
17 "Gremlins.", "It broke.", "Don't look at me." };
20 local messages = setmetatable(module:get_option("http_errors_messages", {}), { __index = default_messages });
26 <meta charset="utf-8">
31 background-color:#F8F8F8;
32 font-family:sans-serif;
40 p+p { font-size: large; font-family: courier }
49 html = html:gsub("%s%s+", "");
52 ["<"] = "<", [">"] = ">", ["&"] = "&",
53 ["'"] = "'", ["\""] = """, ["\n"] = "<br/>",
56 local function tohtml(plain)
57 return (plain:gsub("[<>&'\"\n]", entities));
61 local function get_page(code, extra)
62 local message = messages[code];
63 if always_serve or message then
64 message = message or default_message;
65 return (html:gsub("$(%a+)", {
66 title = rawget(codes, code) or ("Code "..tostring(code));
67 message = message[1]:gsub("%%", function ()
68 return message[math.random(2, math.max(#message,2))];
70 extra = tohtml(extra or "");
75 module:hook_object_event(server, "http-error", function (event)
76 return get_page(event.code, (show_private and event.private_message) or event.message);