prosody
92b6aa3ea2ce
plugins/mod_http_errors.lua

Find changesets by keywords by author, files, the commit message, revision number or hash, or revset expression.

Software / code / prosody

Annotate

plugins/mod_http_errors.lua @ 7840:92b6aa3ea2ce

mod_mam: Decrease priority to zero
author Kim Alvefur <zash@zash.se>
date Fri, 18 Nov 2016 10:44:27 +0100
parent 7492:9a749cf8c1ba
child 8363:e2460edc2a2f
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
4711
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
1 module:set_global();
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
2
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
3 local server = require "net.http.server";
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
4 local codes = require "net.http.codes";
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
5
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
6 local show_private = module:get_option_boolean("http_errors_detailed", false);
4737
7b9e2a8c4710 mod_http_errors: Add two new config options, http_errors_always_show (show even for unknown errors) and http_errors_default_message (message for unknown errors)
Matthew Wild <mwild1@gmail.com>
parents: 4711
diff changeset
7 local always_serve = module:get_option_boolean("http_errors_always_show", true);
7b9e2a8c4710 mod_http_errors: Add two new config options, http_errors_always_show (show even for unknown errors) and http_errors_default_message (message for unknown errors)
Matthew Wild <mwild1@gmail.com>
parents: 4711
diff changeset
8 local default_message = { module:get_option_string("http_errors_default_message", "That's all I know.") };
4711
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
9 local default_messages = {
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
10 [400] = { "What kind of request do you call that??" };
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
11 [403] = { "You're not allowed to do that." };
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
12 [404] = { "Whatever you were looking for is not here. %";
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
13 "Where did you put it?", "It's behind you.", "Keep looking." };
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
14 [500] = { "% Check your error log for more info.";
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
15 "Gremlins.", "It broke.", "Don't look at me." };
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
16 };
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
17
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
18 local messages = setmetatable(module:get_option("http_errors_messages", {}), { __index = default_messages });
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
19
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
20 local html = [[
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
21 <!DOCTYPE html>
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
22 <html>
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
23 <head>
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
24 <meta charset="utf-8">
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
25 <style>
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
26 body{
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
27 margin-top:14%;
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
28 text-align:center;
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
29 background-color:#F8F8F8;
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
30 font-family:sans-serif;
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
31 }
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
32 h1{
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
33 font-size:xx-large;
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
34 }
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
35 p{
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
36 font-size:x-large;
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
37 }
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
38 p+p { font-size: large; font-family: courier }
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
39 </style>
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
40 </head>
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
41 <body>
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
42 <h1>$title</h1>
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
43 <p>$message</p>
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
44 <p>$extra</p>
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
45 </body>
7492
9a749cf8c1ba mod_http_errors: Add a newline after end of HTML
Kim Alvefur <zash@zash.se>
parents: 5776
diff changeset
46 </html>
9a749cf8c1ba mod_http_errors: Add a newline after end of HTML
Kim Alvefur <zash@zash.se>
parents: 5776
diff changeset
47 ]];
4711
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
48 html = html:gsub("%s%s+", "");
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
49
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
50 local entities = {
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
51 ["<"] = "&lt;", [">"] = "&gt;", ["&"] = "&amp;",
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
52 ["'"] = "&apos;", ["\""] = "&quot;", ["\n"] = "<br/>",
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
53 };
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
54
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
55 local function tohtml(plain)
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
56 return (plain:gsub("[<>&'\"\n]", entities));
5776
bd0ff8ae98a8 Remove all trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 5371
diff changeset
57
4711
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
58 end
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
59
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
60 local function get_page(code, extra)
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
61 local message = messages[code];
4737
7b9e2a8c4710 mod_http_errors: Add two new config options, http_errors_always_show (show even for unknown errors) and http_errors_default_message (message for unknown errors)
Matthew Wild <mwild1@gmail.com>
parents: 4711
diff changeset
62 if always_serve or message then
7b9e2a8c4710 mod_http_errors: Add two new config options, http_errors_always_show (show even for unknown errors) and http_errors_default_message (message for unknown errors)
Matthew Wild <mwild1@gmail.com>
parents: 4711
diff changeset
63 message = message or default_message;
4711
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
64 return (html:gsub("$(%a+)", {
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
65 title = rawget(codes, code) or ("Code "..tostring(code));
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
66 message = message[1]:gsub("%%", function ()
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
67 return message[math.random(2, math.max(#message,2))];
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
68 end);
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
69 extra = tohtml(extra or "");
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
70 }));
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
71 end
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
72 end
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
73
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
74 module:hook_object_event(server, "http-error", function (event)
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
75 return get_page(event.code, (show_private and event.private_message) or event.message);
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
76 end);