prosody
c35afa353f8f
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 @ 12852:c35afa353f8f

mod_admin_socket: Fix typo in comments Introduced in 6966026262f4
author Kim Alvefur <zash@zash.se>
date Fri, 20 Jan 2023 18:16:10 +0100
parent 11820:0375ef78ed64
child 12977:74b9e05af71e
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";
8364
f91ab40a3105 mod_http_errors: Use util.interpolation to render HTML template
Kim Alvefur <zash@zash.se>
parents: 8363
diff changeset
5 local xml_escape = require "util.stanza".xml_escape;
f91ab40a3105 mod_http_errors: Use util.interpolation to render HTML template
Kim Alvefur <zash@zash.se>
parents: 8363
diff changeset
6 local render = require "util.interpolation".new("%b{}", xml_escape);
4711
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
7
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
8 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
9 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
10 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
11 local default_messages = {
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
12 [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
13 [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
14 [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
15 "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
16 [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
17 "Gremlins.", "It broke.", "Don't look at me." };
11403
747e8245f180 mod_http_errors: Add some silly variations for the '/' page
Kim Alvefur <zash@zash.se>
parents: 11395
diff changeset
18 ["/"] = {
747e8245f180 mod_http_errors: Add some silly variations for the '/' page
Kim Alvefur <zash@zash.se>
parents: 11395
diff changeset
19 "A study in simplicity.";
747e8245f180 mod_http_errors: Add some silly variations for the '/' page
Kim Alvefur <zash@zash.se>
parents: 11395
diff changeset
20 "Better catch it!";
747e8245f180 mod_http_errors: Add some silly variations for the '/' page
Kim Alvefur <zash@zash.se>
parents: 11395
diff changeset
21 "Don't just stand there, go after it!";
747e8245f180 mod_http_errors: Add some silly variations for the '/' page
Kim Alvefur <zash@zash.se>
parents: 11395
diff changeset
22 "Well, say something, before it runs too far!";
747e8245f180 mod_http_errors: Add some silly variations for the '/' page
Kim Alvefur <zash@zash.se>
parents: 11395
diff changeset
23 "Welcome to the world of XMPP!";
747e8245f180 mod_http_errors: Add some silly variations for the '/' page
Kim Alvefur <zash@zash.se>
parents: 11395
diff changeset
24 "You can do anything in XMPP!"; -- "The only limit is XML.";
747e8245f180 mod_http_errors: Add some silly variations for the '/' page
Kim Alvefur <zash@zash.se>
parents: 11395
diff changeset
25 "You can do anything with Prosody!"; -- the only limit is memory?
747e8245f180 mod_http_errors: Add some silly variations for the '/' page
Kim Alvefur <zash@zash.se>
parents: 11395
diff changeset
26 };
4711
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
27 };
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
28
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
29 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
30
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
31 local html = [[
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
32 <!DOCTYPE html>
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
33 <html>
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
34 <head>
8364
f91ab40a3105 mod_http_errors: Use util.interpolation to render HTML template
Kim Alvefur <zash@zash.se>
parents: 8363
diff changeset
35 <meta charset="utf-8">
f91ab40a3105 mod_http_errors: Use util.interpolation to render HTML template
Kim Alvefur <zash@zash.se>
parents: 8363
diff changeset
36 <title>{title}</title>
f91ab40a3105 mod_http_errors: Use util.interpolation to render HTML template
Kim Alvefur <zash@zash.se>
parents: 8363
diff changeset
37 <style>
11388
60a61c509d87 mod_http_errors: Minify CSS
Kim Alvefur <zash@zash.se>
parents: 11155
diff changeset
38 body{margin-top:14%;text-align:center;background-color:#f8f8f8;font-family:sans-serif}
60a61c509d87 mod_http_errors: Minify CSS
Kim Alvefur <zash@zash.se>
parents: 11155
diff changeset
39 h1{font-size:xx-large}
60a61c509d87 mod_http_errors: Minify CSS
Kim Alvefur <zash@zash.se>
parents: 11155
diff changeset
40 p{font-size:x-large}
11395
d336b28b4002 mod_http_errors: Style tweak
Kim Alvefur <zash@zash.se>
parents: 11390
diff changeset
41 p.warning>span{font-size:large;background-color:yellow}
11388
60a61c509d87 mod_http_errors: Minify CSS
Kim Alvefur <zash@zash.se>
parents: 11155
diff changeset
42 p.extra{font-size:large;font-family:courier}
60a61c509d87 mod_http_errors: Minify CSS
Kim Alvefur <zash@zash.se>
parents: 11155
diff changeset
43 @media(prefers-color-scheme:dark){
60a61c509d87 mod_http_errors: Minify CSS
Kim Alvefur <zash@zash.se>
parents: 11155
diff changeset
44 body{background-color:#161616;color:#eee}
11395
d336b28b4002 mod_http_errors: Style tweak
Kim Alvefur <zash@zash.se>
parents: 11390
diff changeset
45 p.warning>span{background-color:inherit;color:yellow}
11154
dd81a318a794 mod_http_errors: Dark theme!
Kim Alvefur <zash@zash.se>
parents: 11153
diff changeset
46 }
8364
f91ab40a3105 mod_http_errors: Use util.interpolation to render HTML template
Kim Alvefur <zash@zash.se>
parents: 8363
diff changeset
47 </style>
4711
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
48 </head>
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
49 <body>
11662
a8798e04b5c8 mod_http_errors: Allow adding icons on error pages
Kim Alvefur <zash@zash.se>
parents: 11404
diff changeset
50 <h1>{icon?{icon_raw!?}} {title}</h1>
8364
f91ab40a3105 mod_http_errors: Use util.interpolation to render HTML template
Kim Alvefur <zash@zash.se>
parents: 8363
diff changeset
51 <p>{message}</p>
11395
d336b28b4002 mod_http_errors: Style tweak
Kim Alvefur <zash@zash.se>
parents: 11390
diff changeset
52 {warning&<p class="warning"><span>&#9888; {warning?} &#9888;</span></p>}
11155
8d692a8a8f48 mod_http_errors: Remove 'extra' element when empty
Kim Alvefur <zash@zash.se>
parents: 11154
diff changeset
53 {extra&<p class="extra">{extra?}</p>}
4711
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
54 </body>
7492
9a749cf8c1ba mod_http_errors: Add a newline after end of HTML
Kim Alvefur <zash@zash.se>
parents: 5776
diff changeset
55 </html>
9a749cf8c1ba mod_http_errors: Add a newline after end of HTML
Kim Alvefur <zash@zash.se>
parents: 5776
diff changeset
56 ]];
4711
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
57
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
58 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
59 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
60 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
61 message = message or default_message;
8364
f91ab40a3105 mod_http_errors: Use util.interpolation to render HTML template
Kim Alvefur <zash@zash.se>
parents: 8363
diff changeset
62 return render(html, {
4711
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
63 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
64 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
65 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
66 end);
8364
f91ab40a3105 mod_http_errors: Use util.interpolation to render HTML template
Kim Alvefur <zash@zash.se>
parents: 8363
diff changeset
67 extra = extra;
f91ab40a3105 mod_http_errors: Use util.interpolation to render HTML template
Kim Alvefur <zash@zash.se>
parents: 8363
diff changeset
68 });
4711
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
69 end
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
70 end
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
71
11404
f7704f987439 mod_http_errors: Add some comments
Kim Alvefur <zash@zash.se>
parents: 11403
diff changeset
72 -- Main error page handler
4711
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
73 module:hook_object_event(server, "http-error", function (event)
8363
e2460edc2a2f mod_http_errors: Set Content-Type header to HTML (fixes #1030)
Kim Alvefur <zash@zash.se>
parents: 7492
diff changeset
74 if event.response then
e2460edc2a2f mod_http_errors: Set Content-Type header to HTML (fixes #1030)
Kim Alvefur <zash@zash.se>
parents: 7492
diff changeset
75 event.response.headers.content_type = "text/html; charset=utf-8";
e2460edc2a2f mod_http_errors: Set Content-Type header to HTML (fixes #1030)
Kim Alvefur <zash@zash.se>
parents: 7492
diff changeset
76 end
10574
f70c874b7936 mod_http_errors: Use text from util.errror object if included
Kim Alvefur <zash@zash.se>
parents: 10430
diff changeset
77 return get_page(event.code, (show_private and event.private_message) or event.message or (event.error and event.error.text));
4711
4ddf3ba0c749 mod_http_errors: Module to handle HTTP errors with a HTML page
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
78 end);
10430
46dd9df2db0c mod_http_errors: Show a friendly page instead of 404 on top level
Kim Alvefur <zash@zash.se>
parents: 9760
diff changeset
79
11404
f7704f987439 mod_http_errors: Add some comments
Kim Alvefur <zash@zash.se>
parents: 11403
diff changeset
80 -- Way to use the template for other things so to give a consistent appearance
11389
29e7ed75ed3f mod_http_errors: Add way to reuse the error page template
Kim Alvefur <zash@zash.se>
parents: 11388
diff changeset
81 module:hook("http-message", function (event)
29e7ed75ed3f mod_http_errors: Add way to reuse the error page template
Kim Alvefur <zash@zash.se>
parents: 11388
diff changeset
82 if event.response then
29e7ed75ed3f mod_http_errors: Add way to reuse the error page template
Kim Alvefur <zash@zash.se>
parents: 11388
diff changeset
83 event.response.headers.content_type = "text/html; charset=utf-8";
29e7ed75ed3f mod_http_errors: Add way to reuse the error page template
Kim Alvefur <zash@zash.se>
parents: 11388
diff changeset
84 end
29e7ed75ed3f mod_http_errors: Add way to reuse the error page template
Kim Alvefur <zash@zash.se>
parents: 11388
diff changeset
85 return render(html, event);
11820
0375ef78ed64 mod_http_errors: Make it easier to override 'http-message' handler
Kim Alvefur <zash@zash.se>
parents: 11664
diff changeset
86 end, -1);
11389
29e7ed75ed3f mod_http_errors: Add way to reuse the error page template
Kim Alvefur <zash@zash.se>
parents: 11388
diff changeset
87
11663
04fa947784bc mod_http_errors: Add a Prosody logo to root page
Kim Alvefur <zash@zash.se>
parents: 11662
diff changeset
88 local icon = [[
04fa947784bc mod_http_errors: Add a Prosody logo to root page
Kim Alvefur <zash@zash.se>
parents: 11662
diff changeset
89 <svg xmlns="http://www.w3.org/2000/svg" height="0.7em" viewBox="0 0 480 480" width="0.7em">
04fa947784bc mod_http_errors: Add a Prosody logo to root page
Kim Alvefur <zash@zash.se>
parents: 11662
diff changeset
90 <rect fill="#6197df" height="220" rx="60" ry="60" width="220" x="10" y="10"></rect>
04fa947784bc mod_http_errors: Add a Prosody logo to root page
Kim Alvefur <zash@zash.se>
parents: 11662
diff changeset
91 <rect fill="#f29b00" height="220" rx="60" ry="60" width="220" x="10" y="240"></rect>
04fa947784bc mod_http_errors: Add a Prosody logo to root page
Kim Alvefur <zash@zash.se>
parents: 11662
diff changeset
92 <rect fill="#f29b00" height="220" rx="60" ry="60" width="220" x="240" y="10"></rect>
04fa947784bc mod_http_errors: Add a Prosody logo to root page
Kim Alvefur <zash@zash.se>
parents: 11662
diff changeset
93 <rect fill="#6197df" height="220" rx="60" ry="60" width="220" x="240" y="240"></rect>
04fa947784bc mod_http_errors: Add a Prosody logo to root page
Kim Alvefur <zash@zash.se>
parents: 11662
diff changeset
94 </svg>
04fa947784bc mod_http_errors: Add a Prosody logo to root page
Kim Alvefur <zash@zash.se>
parents: 11662
diff changeset
95 ]];
04fa947784bc mod_http_errors: Add a Prosody logo to root page
Kim Alvefur <zash@zash.se>
parents: 11662
diff changeset
96
11404
f7704f987439 mod_http_errors: Add some comments
Kim Alvefur <zash@zash.se>
parents: 11403
diff changeset
97 -- Something nicer shown instead of 404 at the root path, if nothing else handles this path
10430
46dd9df2db0c mod_http_errors: Show a friendly page instead of 404 on top level
Kim Alvefur <zash@zash.se>
parents: 9760
diff changeset
98 module:hook_object_event(server, "http-error", function (event)
46dd9df2db0c mod_http_errors: Show a friendly page instead of 404 on top level
Kim Alvefur <zash@zash.se>
parents: 9760
diff changeset
99 local request, response = event.request, event.response;
46dd9df2db0c mod_http_errors: Show a friendly page instead of 404 on top level
Kim Alvefur <zash@zash.se>
parents: 9760
diff changeset
100 if request and response and request.path == "/" and response.status_code == 404 then
11664
d83f8f44caea mod_http_errors: Set status code 200 from root page
Kim Alvefur <zash@zash.se>
parents: 11663
diff changeset
101 response.status_code = 200;
10430
46dd9df2db0c mod_http_errors: Show a friendly page instead of 404 on top level
Kim Alvefur <zash@zash.se>
parents: 9760
diff changeset
102 response.headers.content_type = "text/html; charset=utf-8";
11403
747e8245f180 mod_http_errors: Add some silly variations for the '/' page
Kim Alvefur <zash@zash.se>
parents: 11395
diff changeset
103 local message = messages["/"];
10430
46dd9df2db0c mod_http_errors: Show a friendly page instead of 404 on top level
Kim Alvefur <zash@zash.se>
parents: 9760
diff changeset
104 return render(html, {
11663
04fa947784bc mod_http_errors: Add a Prosody logo to root page
Kim Alvefur <zash@zash.se>
parents: 11662
diff changeset
105 icon_raw = icon,
10430
46dd9df2db0c mod_http_errors: Show a friendly page instead of 404 on top level
Kim Alvefur <zash@zash.se>
parents: 9760
diff changeset
106 title = "Prosody is running!";
11403
747e8245f180 mod_http_errors: Add some silly variations for the '/' page
Kim Alvefur <zash@zash.se>
parents: 11395
diff changeset
107 message = message[math.random(#message)];
10430
46dd9df2db0c mod_http_errors: Show a friendly page instead of 404 on top level
Kim Alvefur <zash@zash.se>
parents: 9760
diff changeset
108 });
46dd9df2db0c mod_http_errors: Show a friendly page instead of 404 on top level
Kim Alvefur <zash@zash.se>
parents: 9760
diff changeset
109 end
46dd9df2db0c mod_http_errors: Show a friendly page instead of 404 on top level
Kim Alvefur <zash@zash.se>
parents: 9760
diff changeset
110 end, 1);
46dd9df2db0c mod_http_errors: Show a friendly page instead of 404 on top level
Kim Alvefur <zash@zash.se>
parents: 9760
diff changeset
111