annotate mod_register_web/mod_register_web.lua @ 2491:5fbca7de2088

mod_smacks: Send out more ack requests where needed Under some circumstances it was possible that more than "max_unacked_stanzas" where left in the outgoing stanza queue without forcing an ack. This could happen, when more stanzas entered the queue while the last ack request was still unanswered. Now the test "#queue > max_unacked_stanzas" is done upon receiving an ack as well as when sending out stanzas, which fixes this bug.
author tmolitor <thilo@eightysoft.de>
date Sun, 12 Feb 2017 19:27:50 +0100
parents 32604bf33a4c
children c8161146c698
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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diff changeset
1 local captcha_options = module:get_option("captcha_options", {});
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03595194075a mod_register_web: nodeprep username before creating user (thanks IRON)
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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
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3 local usermanager = require "core.usermanager";
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34fbe58d19da mod_register_web: Use net.http instead of util.http, as we need to make requests (thanks dustin)
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4 local http = require "net.http";
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742f3dc601b5 mod_register_web: Use path separator from package.config
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5 local path_sep = package.config:sub(1,1);
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6 local json = require "util.json".decode;
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7 local t_concat = table.concat;
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8
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9 module:depends"http";
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10
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11 local extra_fields = {
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12 nick = true; name = true; first = true; last = true; email = true;
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13 address = true; city = true; state = true; zip = true;
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14 phone = true; url = true; date = true;
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15 }
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16
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17 local template_path = module:get_option_string("register_web_template", "templates");
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18 function template(data)
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19 -- Like util.template, but deals with plain text
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20 return { apply = function(values) return (data:gsub("{([^}]+)}", values)); end }
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21 end
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22
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23 local function get_template(name)
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24 local fh = assert(module:load_resource(template_path..path_sep..name..".html"));
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25 local data = assert(fh:read("*a"));
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26 fh:close();
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27 return template(data);
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28 end
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29
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30 local function render(template, data)
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31 return tostring(template.apply(data));
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32 end
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33
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34 local register_tpl = get_template "register";
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35 local success_tpl = get_template "success";
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36
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37 if next(captcha_options) ~= nil then
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38 local recaptcha_tpl = get_template "recaptcha";
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39
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40 function generate_captcha(display_options)
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41 return recaptcha_tpl.apply(setmetatable({
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42 recaptcha_display_error = display_options and display_options.recaptcha_error
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43 and ("&error="..display_options.recaptcha_error) or "";
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44 }, {
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45 __index = function (t, k)
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46 if captcha_options[k] then return captcha_options[k]; end
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47 module:log("error", "Missing parameter from captcha_options: %s", k);
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48 end
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49 }));
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50 end
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51 function verify_captcha(request, form, callback)
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52 http.request("https://www.google.com/recaptcha/api/siteverify", {
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53 body = http.formencode {
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54 secret = captcha_options.recaptcha_private_key;
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55 remoteip = request.conn:ip();
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56 response = form["g-recaptcha-response"];
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57 };
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58 }, function (verify_result, code)
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59 local result = json(verify_result);
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60 if result.success == true then
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61 callback(true);
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62 else
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63 callback(false, t_concat(result["error-codes"]));
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64 end
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65 end);
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66 end
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67 else
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68 module:log("debug", "No Recaptcha options set, using fallback captcha")
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69 local random = math.random;
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70 local hmac_sha1 = require "util.hashes".hmac_sha1;
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71 local secret = require "util.uuid".generate()
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72 local ops = { '+', '-' };
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73 local captcha_tpl = get_template "simplecaptcha";
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74 function generate_captcha()
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75 local op = ops[random(1, #ops)];
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76 local x, y = random(1, 9)
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77 repeat
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78 y = random(1, 9);
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79 until x ~= y;
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80 local answer;
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81 if op == '+' then
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82 answer = x + y;
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83 elseif op == '-' then
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84 if x < y then
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85 -- Avoid negative numbers
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86 x, y = y, x;
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87 end
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88 answer = x - y;
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89 end
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90 local challenge = hmac_sha1(secret, answer, true);
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91 return captcha_tpl.apply {
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92 op = op, x = x, y = y, challenge = challenge;
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diff changeset
93 };
1228
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diff changeset
94 end
1234
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95 function verify_captcha(request, form, callback)
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diff changeset
96 if hmac_sha1(secret, form.captcha_reply, true) == form.captcha_challenge then
1226
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diff changeset
97 callback(true);
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98 else
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99 callback(false, "Captcha verification failed");
1226
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100 end
1228
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101 end
1226
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diff changeset
102 end
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diff changeset
103
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diff changeset
104 function generate_page(event, display_options)
1618
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diff changeset
105 local request, response = event.request, event.response;
1227
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diff changeset
106
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diff changeset
107 response.headers.content_type = "text/html; charset=utf-8";
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108 return render(register_tpl, {
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109 path = request.path; hostname = module.host;
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110 notice = display_options and display_options.register_error or "";
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111 captcha = generate_captcha(display_options);
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112 })
653
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parents:
diff changeset
113 end
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parents:
diff changeset
114
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diff changeset
115 function register_user(form, origin)
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116 local prepped_username = nodeprep(form.username);
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diff changeset
117 if not prepped_username then
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118 return nil, "Username contains forbidden characters";
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119 end
1236
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parents: 1235
diff changeset
120 if #prepped_username == 0 then
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parents: 1235
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121 return nil, "The username field was empty";
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parents: 1235
diff changeset
122 end
1229
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diff changeset
123 if usermanager.user_exists(prepped_username, module.host) then
1230
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124 return nil, "Username already taken";
1229
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125 end
1238
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Kim Alvefur <zash@zash.se>
parents: 1237
diff changeset
126 local registering = { username = prepped_username , host = module.host, allowed = true }
1237
c669cb78b293 mod_register_web: Fire user-registering event like mod_register
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parents: 1236
diff changeset
127 module:fire_event("user-registering", registering);
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parents: 1236
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128 if not registering.allowed then
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parents: 1236
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129 return nil, "Registration not allowed";
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Kim Alvefur <zash@zash.se>
parents: 1236
diff changeset
130 end
1233
f7b1992e4ff6 mod_register_web: Add missing =
Kim Alvefur <zash@zash.se>
parents: 1232
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131 local ok, err = usermanager.create_user(prepped_username, form.password, module.host);
1232
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parents: 1231
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132 if ok then
1235
9277e0a3922f mod_register_web: Support additional registration fields
Kim Alvefur <zash@zash.se>
parents: 1234
diff changeset
133 local extra_data = {};
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parents: 1234
diff changeset
134 for field in pairs(extra_fields) do
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Kim Alvefur <zash@zash.se>
parents: 1234
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135 local field_value = form[field];
9277e0a3922f mod_register_web: Support additional registration fields
Kim Alvefur <zash@zash.se>
parents: 1234
diff changeset
136 if field_value and #field_value > 0 then
9277e0a3922f mod_register_web: Support additional registration fields
Kim Alvefur <zash@zash.se>
parents: 1234
diff changeset
137 extra_data[field] = field_value;
9277e0a3922f mod_register_web: Support additional registration fields
Kim Alvefur <zash@zash.se>
parents: 1234
diff changeset
138 end
9277e0a3922f mod_register_web: Support additional registration fields
Kim Alvefur <zash@zash.se>
parents: 1234
diff changeset
139 end
1238
752285859607 mod_register_web: Use correct variables
Kim Alvefur <zash@zash.se>
parents: 1237
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140 if next(extra_data) ~= nil then
1235
9277e0a3922f mod_register_web: Support additional registration fields
Kim Alvefur <zash@zash.se>
parents: 1234
diff changeset
141 datamanager.store(prepped_username, module.host, "account_details", extra_data);
9277e0a3922f mod_register_web: Support additional registration fields
Kim Alvefur <zash@zash.se>
parents: 1234
diff changeset
142 end
1232
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Kim Alvefur <zash@zash.se>
parents: 1231
diff changeset
143 module:fire_event("user-registered", {
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Kim Alvefur <zash@zash.se>
parents: 1231
diff changeset
144 username = prepped_username,
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Kim Alvefur <zash@zash.se>
parents: 1231
diff changeset
145 host = module.host,
1320
e670d4cc5027 mod_register_web: Pass request around so IP address can be reported
Kim Alvefur <zash@zash.se>
parents: 1247
diff changeset
146 source = module.name,
e670d4cc5027 mod_register_web: Pass request around so IP address can be reported
Kim Alvefur <zash@zash.se>
parents: 1247
diff changeset
147 ip = origin.conn:ip(),
1232
12f59489ef6e mod_register_web: Fire user-registered event
Kim Alvefur <zash@zash.se>
parents: 1231
diff changeset
148 });
12f59489ef6e mod_register_web: Fire user-registered event
Kim Alvefur <zash@zash.se>
parents: 1231
diff changeset
149 end
12f59489ef6e mod_register_web: Fire user-registered event
Kim Alvefur <zash@zash.se>
parents: 1231
diff changeset
150 return ok, err;
653
c08b0e4b7b38 mod_register_web: Extremely rough web registration page, with captcha
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
151 end
c08b0e4b7b38 mod_register_web: Extremely rough web registration page, with captcha
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
152
c08b0e4b7b38 mod_register_web: Extremely rough web registration page, with captcha
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
153 function generate_success(event, form)
1227
6015434f0e05 mod_register_web: Move HTML into separate template files
Kim Alvefur <zash@zash.se>
parents: 1226
diff changeset
154 return render(success_tpl, { jid = nodeprep(form.username).."@"..module.host });
653
c08b0e4b7b38 mod_register_web: Extremely rough web registration page, with captcha
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
155 end
c08b0e4b7b38 mod_register_web: Extremely rough web registration page, with captcha
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
156
c08b0e4b7b38 mod_register_web: Extremely rough web registration page, with captcha
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
157 function generate_register_response(event, form, ok, err)
c08b0e4b7b38 mod_register_web: Extremely rough web registration page, with captcha
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
158 local message;
1618
c56baec031e8 mod_register_web: Send Content-Type headers
Kim Alvefur <zash@zash.se>
parents: 1572
diff changeset
159 event.response.headers.content_type = "text/html; charset=utf-8";
653
c08b0e4b7b38 mod_register_web: Extremely rough web registration page, with captcha
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
160 if ok then
c08b0e4b7b38 mod_register_web: Extremely rough web registration page, with captcha
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
161 return generate_success(event, form);
c08b0e4b7b38 mod_register_web: Extremely rough web registration page, with captcha
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
162 else
c08b0e4b7b38 mod_register_web: Extremely rough web registration page, with captcha
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
163 return generate_page(event, { register_error = err });
c08b0e4b7b38 mod_register_web: Extremely rough web registration page, with captcha
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
164 end
c08b0e4b7b38 mod_register_web: Extremely rough web registration page, with captcha
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
165 end
c08b0e4b7b38 mod_register_web: Extremely rough web registration page, with captcha
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
166
c08b0e4b7b38 mod_register_web: Extremely rough web registration page, with captcha
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
167 function handle_form(event)
c08b0e4b7b38 mod_register_web: Extremely rough web registration page, with captcha
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
168 local request, response = event.request, event.response;
c08b0e4b7b38 mod_register_web: Extremely rough web registration page, with captcha
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
169 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
170 verify_captcha(request, form, function (ok, err)
1226
0667624637da mod_register_web: Split out recaptcha verification to a separate function
Kim Alvefur <zash@zash.se>
parents: 1225
diff changeset
171 if ok then
1320
e670d4cc5027 mod_register_web: Pass request around so IP address can be reported
Kim Alvefur <zash@zash.se>
parents: 1247
diff changeset
172 local register_ok, register_err = register_user(form, request);
653
c08b0e4b7b38 mod_register_web: Extremely rough web registration page, with captcha
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
173 response:send(generate_register_response(event, form, register_ok, register_err));
c08b0e4b7b38 mod_register_web: Extremely rough web registration page, with captcha
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
174 else
1226
0667624637da mod_register_web: Split out recaptcha verification to a separate function
Kim Alvefur <zash@zash.se>
parents: 1225
diff changeset
175 response:send(generate_page(event, { register_error = err }));
653
c08b0e4b7b38 mod_register_web: Extremely rough web registration page, with captcha
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
176 end
c08b0e4b7b38 mod_register_web: Extremely rough web registration page, with captcha
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
177 end);
c08b0e4b7b38 mod_register_web: Extremely rough web registration page, with captcha
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
178 return true; -- Leave connection open until we respond above
c08b0e4b7b38 mod_register_web: Extremely rough web registration page, with captcha
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
179 end
c08b0e4b7b38 mod_register_web: Extremely rough web registration page, with captcha
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
180
c08b0e4b7b38 mod_register_web: Extremely rough web registration page, with captcha
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
181 module:provides("http", {
c08b0e4b7b38 mod_register_web: Extremely rough web registration page, with captcha
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
182 route = {
c08b0e4b7b38 mod_register_web: Extremely rough web registration page, with captcha
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
183 GET = generate_page;
1239
cc5cbeeb9fc7 mod_register_web: Handle URLs with a trailing slash
Kim Alvefur <zash@zash.se>
parents: 1238
diff changeset
184 ["GET /"] = generate_page;
653
c08b0e4b7b38 mod_register_web: Extremely rough web registration page, with captcha
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
185 POST = handle_form;
1239
cc5cbeeb9fc7 mod_register_web: Handle URLs with a trailing slash
Kim Alvefur <zash@zash.se>
parents: 1238
diff changeset
186 ["POST /"] = handle_form;
653
c08b0e4b7b38 mod_register_web: Extremely rough web registration page, with captcha
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
187 };
c08b0e4b7b38 mod_register_web: Extremely rough web registration page, with captcha
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
188 });