prosody-modules
c56baec031e8
mod_register_web/mod_register_web.lua

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mod_register_web/mod_register_web.lua @ 1618:c56baec031e8

mod_register_web: Send Content-Type headers
author Kim Alvefur <zash@zash.se>
date Thu, 26 Feb 2015 15:31:25 +0100
parent 1572:1aa894db3585
child 1778:32604bf33a4c
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
653
c08b0e4b7b38 mod_register_web: Extremely rough web registration page, with captcha
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
1 local captcha_options = module:get_option("captcha_options", {});
746
03595194075a mod_register_web: nodeprep username before creating user (thanks IRON)
Matthew Wild <mwild1@gmail.com>
parents: 653
diff changeset
2 local nodeprep = require "util.encodings".stringprep.nodeprep;
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a3766d3baacb mod_register_web: Import usermanager and util.http into locals
Kim Alvefur <zash@zash.se>
parents: 1223
diff changeset
3 local usermanager = require "core.usermanager";
1247
34fbe58d19da mod_register_web: Use net.http instead of util.http, as we need to make requests (thanks dustin)
Matthew Wild <mwild1@gmail.com>
parents: 1239
diff changeset
4 local http = require "net.http";
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742f3dc601b5 mod_register_web: Use path separator from package.config
Kim Alvefur <zash@zash.se>
parents: 1320
diff changeset
5 local path_sep = package.config:sub(1,1);
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c08b0e4b7b38 mod_register_web: Extremely rough web registration page, with captcha
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
6
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5e1f7af23cf0 mod_register_web: Add dependency on mod_http
Kim Alvefur <zash@zash.se>
parents: 1459
diff changeset
7 module:depends"http";
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8
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9 local extra_fields = {
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parents: 1234
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10 nick = true; name = true; first = true; last = true; email = true;
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parents: 1234
diff changeset
11 address = true; city = true; state = true; zip = true;
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parents: 1234
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12 phone = true; url = true; date = true;
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Kim Alvefur <zash@zash.se>
parents: 1234
diff changeset
13 }
9277e0a3922f mod_register_web: Support additional registration fields
Kim Alvefur <zash@zash.se>
parents: 1234
diff changeset
14
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1aa894db3585 mod_register_web: Add option for specifying path to templates
Kim Alvefur <zash@zash.se>
parents: 1460
diff changeset
15 local template_path = module:get_option_string("register_web_template", "templates");
1227
6015434f0e05 mod_register_web: Move HTML into separate template files
Kim Alvefur <zash@zash.se>
parents: 1226
diff changeset
16 function template(data)
6015434f0e05 mod_register_web: Move HTML into separate template files
Kim Alvefur <zash@zash.se>
parents: 1226
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17 -- Like util.template, but deals with plain text
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parents: 1226
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18 return { apply = function(values) return (data:gsub("{([^}]+)}", values)); end }
6015434f0e05 mod_register_web: Move HTML into separate template files
Kim Alvefur <zash@zash.se>
parents: 1226
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19 end
6015434f0e05 mod_register_web: Move HTML into separate template files
Kim Alvefur <zash@zash.se>
parents: 1226
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20
6015434f0e05 mod_register_web: Move HTML into separate template files
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21 local function get_template(name)
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1aa894db3585 mod_register_web: Add option for specifying path to templates
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parents: 1460
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22 local fh = assert(module:load_resource(template_path..path_sep..name..".html"));
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23 local data = assert(fh:read("*a"));
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24 fh:close();
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parents: 1226
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25 return template(data);
6015434f0e05 mod_register_web: Move HTML into separate template files
Kim Alvefur <zash@zash.se>
parents: 1226
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26 end
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Kim Alvefur <zash@zash.se>
parents: 1226
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27
6015434f0e05 mod_register_web: Move HTML into separate template files
Kim Alvefur <zash@zash.se>
parents: 1226
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28 local function render(template, data)
6015434f0e05 mod_register_web: Move HTML into separate template files
Kim Alvefur <zash@zash.se>
parents: 1226
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29 return tostring(template.apply(data));
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Kim Alvefur <zash@zash.se>
parents: 1226
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30 end
6015434f0e05 mod_register_web: Move HTML into separate template files
Kim Alvefur <zash@zash.se>
parents: 1226
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31
6015434f0e05 mod_register_web: Move HTML into separate template files
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parents: 1226
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32 local register_tpl = get_template "register";
6015434f0e05 mod_register_web: Move HTML into separate template files
Kim Alvefur <zash@zash.se>
parents: 1226
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33 local success_tpl = get_template "success";
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db85ff22ae97 mod_register_web: Add a simple fallback captcha
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34
db85ff22ae97 mod_register_web: Add a simple fallback captcha
Kim Alvefur <zash@zash.se>
parents: 1227
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35 if next(captcha_options) ~= nil then
db85ff22ae97 mod_register_web: Add a simple fallback captcha
Kim Alvefur <zash@zash.se>
parents: 1227
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36 local recaptcha_tpl = get_template "recaptcha";
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37
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38 function generate_captcha(display_options)
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Kim Alvefur <zash@zash.se>
parents: 1227
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39 return recaptcha_tpl.apply(setmetatable({
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Kim Alvefur <zash@zash.se>
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40 recaptcha_display_error = display_options and display_options.recaptcha_error
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Kim Alvefur <zash@zash.se>
parents: 1227
diff changeset
41 and ("&error="..display_options.recaptcha_error) or "";
db85ff22ae97 mod_register_web: Add a simple fallback captcha
Kim Alvefur <zash@zash.se>
parents: 1227
diff changeset
42 }, {
db85ff22ae97 mod_register_web: Add a simple fallback captcha
Kim Alvefur <zash@zash.se>
parents: 1227
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43 __index = function (t, k)
db85ff22ae97 mod_register_web: Add a simple fallback captcha
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parents: 1227
diff changeset
44 if captcha_options[k] then return captcha_options[k]; end
db85ff22ae97 mod_register_web: Add a simple fallback captcha
Kim Alvefur <zash@zash.se>
parents: 1227
diff changeset
45 module:log("error", "Missing parameter from captcha_options: %s", k);
db85ff22ae97 mod_register_web: Add a simple fallback captcha
Kim Alvefur <zash@zash.se>
parents: 1227
diff changeset
46 end
db85ff22ae97 mod_register_web: Add a simple fallback captcha
Kim Alvefur <zash@zash.se>
parents: 1227
diff changeset
47 }));
db85ff22ae97 mod_register_web: Add a simple fallback captcha
Kim Alvefur <zash@zash.se>
parents: 1227
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48 end
1234
da39ba4047a7 mod_register_web: Pass request to captcha handler
Kim Alvefur <zash@zash.se>
parents: 1233
diff changeset
49 function verify_captcha(request, form, callback)
1228
db85ff22ae97 mod_register_web: Add a simple fallback captcha
Kim Alvefur <zash@zash.se>
parents: 1227
diff changeset
50 http.request("https://www.google.com/recaptcha/api/verify", {
db85ff22ae97 mod_register_web: Add a simple fallback captcha
Kim Alvefur <zash@zash.se>
parents: 1227
diff changeset
51 body = http.formencode {
db85ff22ae97 mod_register_web: Add a simple fallback captcha
Kim Alvefur <zash@zash.se>
parents: 1227
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52 privatekey = captcha_options.recaptcha_private_key;
db85ff22ae97 mod_register_web: Add a simple fallback captcha
Kim Alvefur <zash@zash.se>
parents: 1227
diff changeset
53 remoteip = request.conn:ip();
db85ff22ae97 mod_register_web: Add a simple fallback captcha
Kim Alvefur <zash@zash.se>
parents: 1227
diff changeset
54 challenge = form.recaptcha_challenge_field;
db85ff22ae97 mod_register_web: Add a simple fallback captcha
Kim Alvefur <zash@zash.se>
parents: 1227
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55 response = form.recaptcha_response_field;
db85ff22ae97 mod_register_web: Add a simple fallback captcha
Kim Alvefur <zash@zash.se>
parents: 1227
diff changeset
56 };
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Kim Alvefur <zash@zash.se>
parents: 1227
diff changeset
57 }, function (verify_result, code)
db85ff22ae97 mod_register_web: Add a simple fallback captcha
Kim Alvefur <zash@zash.se>
parents: 1227
diff changeset
58 local verify_ok, verify_err = verify_result:match("^([^\n]+)\n([^\n]+)");
db85ff22ae97 mod_register_web: Add a simple fallback captcha
Kim Alvefur <zash@zash.se>
parents: 1227
diff changeset
59 if verify_ok == "true" then
db85ff22ae97 mod_register_web: Add a simple fallback captcha
Kim Alvefur <zash@zash.se>
parents: 1227
diff changeset
60 callback(true);
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Kim Alvefur <zash@zash.se>
parents: 1227
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61 else
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Kim Alvefur <zash@zash.se>
parents: 1227
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62 callback(false, verify_err)
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Kim Alvefur <zash@zash.se>
parents: 1227
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63 end
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Kim Alvefur <zash@zash.se>
parents: 1227
diff changeset
64 end);
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Kim Alvefur <zash@zash.se>
parents: 1227
diff changeset
65 end
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Kim Alvefur <zash@zash.se>
parents: 1227
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66 else
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Kim Alvefur <zash@zash.se>
parents: 1227
diff changeset
67 module:log("debug", "No Recaptcha options set, using fallback captcha")
1231
502ce9672eae mod_register_web: Use local
Kim Alvefur <zash@zash.se>
parents: 1230
diff changeset
68 local random = math.random;
1228
db85ff22ae97 mod_register_web: Add a simple fallback captcha
Kim Alvefur <zash@zash.se>
parents: 1227
diff changeset
69 local hmac_sha1 = require "util.hashes".hmac_sha1;
db85ff22ae97 mod_register_web: Add a simple fallback captcha
Kim Alvefur <zash@zash.se>
parents: 1227
diff changeset
70 local secret = require "util.uuid".generate()
db85ff22ae97 mod_register_web: Add a simple fallback captcha
Kim Alvefur <zash@zash.se>
parents: 1227
diff changeset
71 local ops = { '+', '-' };
db85ff22ae97 mod_register_web: Add a simple fallback captcha
Kim Alvefur <zash@zash.se>
parents: 1227
diff changeset
72 local captcha_tpl = get_template "simplecaptcha";
db85ff22ae97 mod_register_web: Add a simple fallback captcha
Kim Alvefur <zash@zash.se>
parents: 1227
diff changeset
73 function generate_captcha()
1231
502ce9672eae mod_register_web: Use local
Kim Alvefur <zash@zash.se>
parents: 1230
diff changeset
74 local op = ops[random(1, #ops)];
502ce9672eae mod_register_web: Use local
Kim Alvefur <zash@zash.se>
parents: 1230
diff changeset
75 local x, y = random(1, 9)
1228
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Kim Alvefur <zash@zash.se>
parents: 1227
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76 repeat
1231
502ce9672eae mod_register_web: Use local
Kim Alvefur <zash@zash.se>
parents: 1230
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77 y = random(1, 9);
1228
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Kim Alvefur <zash@zash.se>
parents: 1227
diff changeset
78 until x ~= y;
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Kim Alvefur <zash@zash.se>
parents: 1227
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79 local answer;
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Kim Alvefur <zash@zash.se>
parents: 1227
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80 if op == '+' then
db85ff22ae97 mod_register_web: Add a simple fallback captcha
Kim Alvefur <zash@zash.se>
parents: 1227
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81 answer = x + y;
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Kim Alvefur <zash@zash.se>
parents: 1227
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82 elseif op == '-' then
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Kim Alvefur <zash@zash.se>
parents: 1227
diff changeset
83 if x < y then
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Kim Alvefur <zash@zash.se>
parents: 1227
diff changeset
84 -- Avoid negative numbers
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Kim Alvefur <zash@zash.se>
parents: 1227
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85 x, y = y, x;
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Kim Alvefur <zash@zash.se>
parents: 1227
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86 end
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Kim Alvefur <zash@zash.se>
parents: 1227
diff changeset
87 answer = x - y;
1227
6015434f0e05 mod_register_web: Move HTML into separate template files
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88 end
1228
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Kim Alvefur <zash@zash.se>
parents: 1227
diff changeset
89 local challenge = hmac_sha1(secret, answer, true);
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Kim Alvefur <zash@zash.se>
parents: 1227
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90 return captcha_tpl.apply {
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Kim Alvefur <zash@zash.se>
parents: 1227
diff changeset
91 op = op, x = x, y = y, challenge = challenge;
1226
0667624637da mod_register_web: Split out recaptcha verification to a separate function
Kim Alvefur <zash@zash.se>
parents: 1225
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92 };
1228
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Kim Alvefur <zash@zash.se>
parents: 1227
diff changeset
93 end
1234
da39ba4047a7 mod_register_web: Pass request to captcha handler
Kim Alvefur <zash@zash.se>
parents: 1233
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94 function verify_captcha(request, form, callback)
1228
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Kim Alvefur <zash@zash.se>
parents: 1227
diff changeset
95 if hmac_sha1(secret, form.captcha_reply, true) == form.captcha_challenge then
1226
0667624637da mod_register_web: Split out recaptcha verification to a separate function
Kim Alvefur <zash@zash.se>
parents: 1225
diff changeset
96 callback(true);
0667624637da mod_register_web: Split out recaptcha verification to a separate function
Kim Alvefur <zash@zash.se>
parents: 1225
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97 else
1228
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Kim Alvefur <zash@zash.se>
parents: 1227
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98 callback(false, "Captcha verification failed");
1226
0667624637da mod_register_web: Split out recaptcha verification to a separate function
Kim Alvefur <zash@zash.se>
parents: 1225
diff changeset
99 end
1228
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Kim Alvefur <zash@zash.se>
parents: 1227
diff changeset
100 end
1226
0667624637da mod_register_web: Split out recaptcha verification to a separate function
Kim Alvefur <zash@zash.se>
parents: 1225
diff changeset
101 end
653
c08b0e4b7b38 mod_register_web: Extremely rough web registration page, with captcha
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
102
c08b0e4b7b38 mod_register_web: Extremely rough web registration page, with captcha
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
103 function generate_page(event, display_options)
1618
c56baec031e8 mod_register_web: Send Content-Type headers
Kim Alvefur <zash@zash.se>
parents: 1572
diff changeset
104 local request, response = event.request, event.response;
1227
6015434f0e05 mod_register_web: Move HTML into separate template files
Kim Alvefur <zash@zash.se>
parents: 1226
diff changeset
105
1618
c56baec031e8 mod_register_web: Send Content-Type headers
Kim Alvefur <zash@zash.se>
parents: 1572
diff changeset
106 response.headers.content_type = "text/html; charset=utf-8";
1227
6015434f0e05 mod_register_web: Move HTML into separate template files
Kim Alvefur <zash@zash.se>
parents: 1226
diff changeset
107 return render(register_tpl, {
6015434f0e05 mod_register_web: Move HTML into separate template files
Kim Alvefur <zash@zash.se>
parents: 1226
diff changeset
108 path = request.path; hostname = module.host;
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Kim Alvefur <zash@zash.se>
parents: 1226
diff changeset
109 notice = display_options and display_options.register_error or "";
6015434f0e05 mod_register_web: Move HTML into separate template files
Kim Alvefur <zash@zash.se>
parents: 1226
diff changeset
110 captcha = generate_captcha(display_options);
6015434f0e05 mod_register_web: Move HTML into separate template files
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parents: 1226
diff changeset
111 })
653
c08b0e4b7b38 mod_register_web: Extremely rough web registration page, with captcha
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
112 end
c08b0e4b7b38 mod_register_web: Extremely rough web registration page, with captcha
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
113
1320
e670d4cc5027 mod_register_web: Pass request around so IP address can be reported
Kim Alvefur <zash@zash.se>
parents: 1247
diff changeset
114 function register_user(form, origin)
1229
12e3bc0fd6ed mod_register_web: Indentation fix
Kim Alvefur <zash@zash.se>
parents: 1228
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115 local prepped_username = nodeprep(form.username);
1230
f7c561fbd5a6 mod_register_web: Friendly error messages if the username is taken or failed nodeprep
Kim Alvefur <zash@zash.se>
parents: 1229
diff changeset
116 if not prepped_username then
f7c561fbd5a6 mod_register_web: Friendly error messages if the username is taken or failed nodeprep
Kim Alvefur <zash@zash.se>
parents: 1229
diff changeset
117 return nil, "Username contains forbidden characters";
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Kim Alvefur <zash@zash.se>
parents: 1229
diff changeset
118 end
1236
59332e0bfbdc mod_register_web: Check for empty username
Kim Alvefur <zash@zash.se>
parents: 1235
diff changeset
119 if #prepped_username == 0 then
59332e0bfbdc mod_register_web: Check for empty username
Kim Alvefur <zash@zash.se>
parents: 1235
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120 return nil, "The username field was empty";
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Kim Alvefur <zash@zash.se>
parents: 1235
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121 end
1229
12e3bc0fd6ed mod_register_web: Indentation fix
Kim Alvefur <zash@zash.se>
parents: 1228
diff changeset
122 if usermanager.user_exists(prepped_username, module.host) then
1230
f7c561fbd5a6 mod_register_web: Friendly error messages if the username is taken or failed nodeprep
Kim Alvefur <zash@zash.se>
parents: 1229
diff changeset
123 return nil, "Username already taken";
1229
12e3bc0fd6ed mod_register_web: Indentation fix
Kim Alvefur <zash@zash.se>
parents: 1228
diff changeset
124 end
1238
752285859607 mod_register_web: Use correct variables
Kim Alvefur <zash@zash.se>
parents: 1237
diff changeset
125 local registering = { username = prepped_username , host = module.host, allowed = true }
1237
c669cb78b293 mod_register_web: Fire user-registering event like mod_register
Kim Alvefur <zash@zash.se>
parents: 1236
diff changeset
126 module:fire_event("user-registering", registering);
c669cb78b293 mod_register_web: Fire user-registering event like mod_register
Kim Alvefur <zash@zash.se>
parents: 1236
diff changeset
127 if not registering.allowed then
c669cb78b293 mod_register_web: Fire user-registering event like mod_register
Kim Alvefur <zash@zash.se>
parents: 1236
diff changeset
128 return nil, "Registration not allowed";
c669cb78b293 mod_register_web: Fire user-registering event like mod_register
Kim Alvefur <zash@zash.se>
parents: 1236
diff changeset
129 end
1233
f7b1992e4ff6 mod_register_web: Add missing =
Kim Alvefur <zash@zash.se>
parents: 1232
diff changeset
130 local ok, err = usermanager.create_user(prepped_username, form.password, module.host);
1232
12f59489ef6e mod_register_web: Fire user-registered event
Kim Alvefur <zash@zash.se>
parents: 1231
diff changeset
131 if ok then
1235
9277e0a3922f mod_register_web: Support additional registration fields
Kim Alvefur <zash@zash.se>
parents: 1234
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132 local extra_data = {};
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133 for field in pairs(extra_fields) do
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134 local field_value = form[field];
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135 if field_value and #field_value > 0 then
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136 extra_data[field] = field_value;
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137 end
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138 end
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139 if next(extra_data) ~= nil then
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140 datamanager.store(prepped_username, module.host, "account_details", extra_data);
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141 end
1232
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142 module:fire_event("user-registered", {
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143 username = prepped_username,
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144 host = module.host,
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145 source = module.name,
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146 ip = origin.conn:ip(),
1232
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147 });
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148 end
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149 return ok, err;
653
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parents:
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150 end
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parents:
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151
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parents:
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152 function generate_success(event, form)
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parents: 1226
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153 return render(success_tpl, { jid = nodeprep(form.username).."@"..module.host });
653
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parents:
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154 end
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parents:
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155
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parents:
diff changeset
156 function generate_register_response(event, form, ok, err)
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parents:
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157 local message;
1618
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parents: 1572
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158 event.response.headers.content_type = "text/html; charset=utf-8";
653
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parents:
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159 if ok then
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parents:
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160 return generate_success(event, form);
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parents:
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161 else
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parents:
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162 return generate_page(event, { register_error = err });
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parents:
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163 end
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parents:
diff changeset
164 end
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parents:
diff changeset
165
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parents:
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166 function handle_form(event)
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parents:
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167 local request, response = event.request, event.response;
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parents:
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168 local form = http.formdecode(request.body);
1234
da39ba4047a7 mod_register_web: Pass request to captcha handler
Kim Alvefur <zash@zash.se>
parents: 1233
diff changeset
169 verify_captcha(request, form, function (ok, err)
1226
0667624637da mod_register_web: Split out recaptcha verification to a separate function
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parents: 1225
diff changeset
170 if ok then
1320
e670d4cc5027 mod_register_web: Pass request around so IP address can be reported
Kim Alvefur <zash@zash.se>
parents: 1247
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171 local register_ok, register_err = register_user(form, request);
653
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parents:
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172 response:send(generate_register_response(event, form, register_ok, register_err));
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parents:
diff changeset
173 else
1226
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parents: 1225
diff changeset
174 response:send(generate_page(event, { register_error = err }));
653
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parents:
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175 end
c08b0e4b7b38 mod_register_web: Extremely rough web registration page, with captcha
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parents:
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176 end);
c08b0e4b7b38 mod_register_web: Extremely rough web registration page, with captcha
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parents:
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177 return true; -- Leave connection open until we respond above
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parents:
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178 end
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parents:
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179
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parents:
diff changeset
180 module:provides("http", {
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parents:
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181 route = {
c08b0e4b7b38 mod_register_web: Extremely rough web registration page, with captcha
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parents:
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182 GET = generate_page;
1239
cc5cbeeb9fc7 mod_register_web: Handle URLs with a trailing slash
Kim Alvefur <zash@zash.se>
parents: 1238
diff changeset
183 ["GET /"] = generate_page;
653
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parents:
diff changeset
184 POST = handle_form;
1239
cc5cbeeb9fc7 mod_register_web: Handle URLs with a trailing slash
Kim Alvefur <zash@zash.se>
parents: 1238
diff changeset
185 ["POST /"] = handle_form;
653
c08b0e4b7b38 mod_register_web: Extremely rough web registration page, with captcha
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
186 };
c08b0e4b7b38 mod_register_web: Extremely rough web registration page, with captcha
Matthew Wild <mwild1@gmail.com>
parents:
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187 });