Mercurial > prosody-modules

annotate mod_register_web/mod_register_web.lua @ 3492:f59334da6df9

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mod_conversejs: Show fallback text if converse.js fails to load (thanks MattJ) This can happen if javascript is enabled but 3rd party resources are blocked, or some other error happened.
author Kim Alvefur <zash@zash.se>
date Tue, 19 Mar 2019 19:43:13 +0100
parents 866167118d23
children f9a93d7b6c50
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rev   line source
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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", {});
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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
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3 local usermanager = require "core.usermanager";
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7d864a03b509 mod_register_web: Import missing datamanager
Michel Le Bihan <michel@lebihan.pl>
parents: 2733
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4 local datamanager = require "util.datamanager";
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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
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5 local http = require "net.http";
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742f3dc601b5 mod_register_web: Use path separator from package.config
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6 local path_sep = package.config:sub(1,1);
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32604bf33a4c mod_register_web: Switch to the new reCAPTCHA API, including support for "nocaptcha" when users are already signed in to Google.
Thijs Alkemade <me@thijsalkema.de>
parents: 1618
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7 local json = require "util.json".decode;
32604bf33a4c mod_register_web: Switch to the new reCAPTCHA API, including support for "nocaptcha" when users are already signed in to Google.
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parents: 1618
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8 local t_concat = table.concat;
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c08b0e4b7b38 mod_register_web: Extremely rough web registration page, with captcha
Matthew Wild <mwild1@gmail.com>
parents:
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9
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866167118d23 mod_register_web: Add soft dependency on mod_register_limits (0.11+)
Kim Alvefur <zash@zash.se>
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10 pcall(function ()
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11 module:depends("register_limits");
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12 end);
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13
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14 module:depends"http";
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15
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16 local extra_fields = {
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17 nick = true; name = true; first = true; last = true; email = true;
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18 address = true; city = true; state = true; zip = true;
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19 phone = true; url = true; date = true;
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20 }
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21
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1aa894db3585 mod_register_web: Add option for specifying path to templates
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22 local template_path = module:get_option_string("register_web_template", "templates");
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23 function template(data)
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24 -- Like util.template, but deals with plain text
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25 return { apply = function(values) return (data:gsub("{([^}]+)}", values)); end }
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26 end
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27
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28 local function get_template(name)
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29 local fh = assert(module:load_resource(template_path..path_sep..name..".html"));
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30 local data = assert(fh:read("*a"));
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31 fh:close();
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32 return template(data);
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33 end
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34
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35 local function render(template, data)
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36 return tostring(template.apply(data));
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37 end
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38
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39 local register_tpl = get_template "register";
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40 local success_tpl = get_template "success";
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41
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42 if next(captcha_options) ~= nil then
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43 local recaptcha_tpl = get_template "recaptcha";
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44
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45 function generate_captcha(display_options)
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46 return recaptcha_tpl.apply(setmetatable({
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57d4680b86a4 mod_register_web: Normalize indentation [luacheck]
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parents: 2739
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47 recaptcha_display_error = display_options and display_options.recaptcha_error
57d4680b86a4 mod_register_web: Normalize indentation [luacheck]
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parents: 2739
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48 and ("&error="..display_options.recaptcha_error) or "";
57d4680b86a4 mod_register_web: Normalize indentation [luacheck]
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parents: 2739
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49 }, {
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049975800d1c mod_register_web: Remove unused variables [luacheck]
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50 __index = function (_, k)
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parents: 2739
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51 if captcha_options[k] then return captcha_options[k]; end
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52 module:log("error", "Missing parameter from captcha_options: %s", k);
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53 end
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54 }));
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55 end
1234
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56 function verify_captcha(request, form, callback)
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57 http.request("https://www.google.com/recaptcha/api/siteverify", {
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58 body = http.formencode {
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parents: 1618
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59 secret = captcha_options.recaptcha_private_key;
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60 remoteip = request.conn:ip();
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61 response = form["g-recaptcha-response"];
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62 };
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63 }, function (verify_result, code)
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Thijs Alkemade <me@thijsalkema.de>
parents: 1618
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64 local result = json(verify_result);
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d631fd9a3300 mod_register_web: Handle errors contacting upstream API
Matthew Wild <mwild1@gmail.com>
parents: 2929
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65 if not result then
d631fd9a3300 mod_register_web: Handle errors contacting upstream API
Matthew Wild <mwild1@gmail.com>
parents: 2929
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66 module:log("warn", "Unable to decode response from recaptcha: [%d] %s", code, verify_result);
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parents: 2929
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67 callback(false, "Captcha API error");
d631fd9a3300 mod_register_web: Handle errors contacting upstream API
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parents: 2929
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68 elseif result.success == true then
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69 callback(true);
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70 else
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parents: 1618
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71 callback(false, t_concat(result["error-codes"]));
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72 end
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73 end);
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74 end
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75 else
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76 module:log("debug", "No Recaptcha options set, using fallback captcha")
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77 local random = math.random;
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78 local hmac_sha1 = require "util.hashes".hmac_sha1;
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79 local secret = require "util.uuid".generate()
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80 local ops = { '+', '-' };
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81 local captcha_tpl = get_template "simplecaptcha";
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82 function generate_captcha()
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83 local op = ops[random(1, #ops)];
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84 local x, y = random(1, 9)
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85 repeat
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86 y = random(1, 9);
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87 until x ~= y;
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88 local answer;
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89 if op == '+' then
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90 answer = x + y;
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91 elseif op == '-' then
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92 if x < y then
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93 -- Avoid negative numbers
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94 x, y = y, x;
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95 end
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96 answer = x - y;
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97 end
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98 local challenge = hmac_sha1(secret, answer, true);
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99 return captcha_tpl.apply {
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100 op = op, x = x, y = y, challenge = challenge;
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101 };
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102 end
1234
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103 function verify_captcha(request, form, callback)
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104 if hmac_sha1(secret, form.captcha_reply, true) == form.captcha_challenge then
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105 callback(true);
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106 else
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107 callback(false, "Captcha verification failed");
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108 end
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109 end
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110 end
653
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parents:
diff changeset
111
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parents:
diff changeset
112 function generate_page(event, display_options)
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113 local request, response = event.request, event.response;
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114
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115 response.headers.content_type = "text/html; charset=utf-8";
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116 return render(register_tpl, {
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117 path = request.path; hostname = module.host;
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118 notice = display_options and display_options.register_error or "";
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119 captcha = generate_captcha(display_options);
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120 })
653
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Matthew Wild <mwild1@gmail.com>
parents:
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121 end
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Matthew Wild <mwild1@gmail.com>
parents:
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122
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parents: 1247
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123 function register_user(form, origin)
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parents: 2923
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124 local username = form.username;
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125 local password = form.password;
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parents: 2923
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126 local confirm_password = form.confirm_password;
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3a104a900af1 mod_register_web: Pass username to generate_register_response
Michel Le Bihan <michel@lebihan.pl>
parents: 2925
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127 local jid = nil;
2924
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Kim Alvefur <zash@zash.se>
parents: 2923
diff changeset
128 form.username, form.password, form.confirm_password = nil, nil, nil;
edf5e8a77d0c mod_register_web: Remove username and password from form data and provide the rest in pre-registration event
Kim Alvefur <zash@zash.se>
parents: 2923
diff changeset
129
edf5e8a77d0c mod_register_web: Remove username and password from form data and provide the rest in pre-registration event
Kim Alvefur <zash@zash.se>
parents: 2923
diff changeset
130 local prepped_username = nodeprep(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
131 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
132 return nil, "Username contains forbidden characters";
f7c561fbd5a6 mod_register_web: Friendly error messages if the username is taken or failed nodeprep
Kim Alvefur <zash@zash.se>
parents: 1229
diff changeset
133 end
1236
59332e0bfbdc mod_register_web: Check for empty username
Kim Alvefur <zash@zash.se>
parents: 1235
diff changeset
134 if #prepped_username == 0 then
59332e0bfbdc mod_register_web: Check for empty username
Kim Alvefur <zash@zash.se>
parents: 1235
diff changeset
135 return nil, "The username field was empty";
59332e0bfbdc mod_register_web: Check for empty username
Kim Alvefur <zash@zash.se>
parents: 1235
diff changeset
136 end
1229
12e3bc0fd6ed mod_register_web: Indentation fix
Kim Alvefur <zash@zash.se>
parents: 1228
diff changeset
137 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
138 return nil, "Username already taken";
1229
12e3bc0fd6ed mod_register_web: Indentation fix
Kim Alvefur <zash@zash.se>
parents: 1228
diff changeset
139 end
2924
edf5e8a77d0c mod_register_web: Remove username and password from form data and provide the rest in pre-registration event
Kim Alvefur <zash@zash.se>
parents: 2923
diff changeset
140 local registering = { username = prepped_username , host = module.host, additional = form, ip = origin.conn:ip(), allowed = true }
1237
c669cb78b293 mod_register_web: Fire user-registering event like mod_register
Kim Alvefur <zash@zash.se>
parents: 1236
diff changeset
141 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
142 if not registering.allowed then
2923
9d53134a0b29 mod_register_web: Return reason for rejection if one was provided by another plugin during pre-registration checks
Kim Alvefur <zash@zash.se>
parents: 2922
diff changeset
143 return nil, registering.reason or "Registration not allowed";
1237
c669cb78b293 mod_register_web: Fire user-registering event like mod_register
Kim Alvefur <zash@zash.se>
parents: 1236
diff changeset
144 end
2924
edf5e8a77d0c mod_register_web: Remove username and password from form data and provide the rest in pre-registration event
Kim Alvefur <zash@zash.se>
parents: 2923
diff changeset
145 if confirm_password ~= password then
2733
c8161146c698 mod_register_web: Add password confirmation field
Michel Le Bihan <michel@lebihan.pl>
parents: 1778
diff changeset
146 return nil, "Passwords don't match";
c8161146c698 mod_register_web: Add password confirmation field
Michel Le Bihan <michel@lebihan.pl>
parents: 1778
diff changeset
147 end
2924
edf5e8a77d0c mod_register_web: Remove username and password from form data and provide the rest in pre-registration event
Kim Alvefur <zash@zash.se>
parents: 2923
diff changeset
148 local ok, err = usermanager.create_user(prepped_username, password, module.host);
1232
12f59489ef6e mod_register_web: Fire user-registered event
Kim Alvefur <zash@zash.se>
parents: 1231
diff changeset
149 if ok then
2929
3a104a900af1 mod_register_web: Pass username to generate_register_response
Michel Le Bihan <michel@lebihan.pl>
parents: 2925
diff changeset
150 jid = prepped_username.."@"..module.host
1235
9277e0a3922f mod_register_web: Support additional registration fields
Kim Alvefur <zash@zash.se>
parents: 1234
diff changeset
151 local extra_data = {};
9277e0a3922f mod_register_web: Support additional registration fields
Kim Alvefur <zash@zash.se>
parents: 1234
diff changeset
152 for field in pairs(extra_fields) do
9277e0a3922f mod_register_web: Support additional registration fields
Kim Alvefur <zash@zash.se>
parents: 1234
diff changeset
153 local field_value = form[field];
9277e0a3922f mod_register_web: Support additional registration fields
Kim Alvefur <zash@zash.se>
parents: 1234
diff changeset
154 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
155 extra_data[field] = field_value;
9277e0a3922f mod_register_web: Support additional registration fields
Kim Alvefur <zash@zash.se>
parents: 1234
diff changeset
156 end
9277e0a3922f mod_register_web: Support additional registration fields
Kim Alvefur <zash@zash.se>
parents: 1234
diff changeset
157 end
1238
752285859607 mod_register_web: Use correct variables
Kim Alvefur <zash@zash.se>
parents: 1237
diff changeset
158 if next(extra_data) ~= nil then
1235
9277e0a3922f mod_register_web: Support additional registration fields
Kim Alvefur <zash@zash.se>
parents: 1234
diff changeset
159 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
160 end
1232
12f59489ef6e mod_register_web: Fire user-registered event
Kim Alvefur <zash@zash.se>
parents: 1231
diff changeset
161 module:fire_event("user-registered", {
12f59489ef6e mod_register_web: Fire user-registered event
Kim Alvefur <zash@zash.se>
parents: 1231
diff changeset
162 username = prepped_username,
12f59489ef6e mod_register_web: Fire user-registered event
Kim Alvefur <zash@zash.se>
parents: 1231
diff changeset
163 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
164 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
165 ip = origin.conn:ip(),
1232
12f59489ef6e mod_register_web: Fire user-registered event
Kim Alvefur <zash@zash.se>
parents: 1231
diff changeset
166 });
12f59489ef6e mod_register_web: Fire user-registered event
Kim Alvefur <zash@zash.se>
parents: 1231
diff changeset
167 end
2929
3a104a900af1 mod_register_web: Pass username to generate_register_response
Michel Le Bihan <michel@lebihan.pl>
parents: 2925
diff changeset
168 return jid, err;
653
c08b0e4b7b38 mod_register_web: Extremely rough web registration page, with captcha
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
169 end
c08b0e4b7b38 mod_register_web: Extremely rough web registration page, with captcha
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
170
2929
3a104a900af1 mod_register_web: Pass username to generate_register_response
Michel Le Bihan <michel@lebihan.pl>
parents: 2925
diff changeset
171 function generate_success(event, jid)
3a104a900af1 mod_register_web: Pass username to generate_register_response
Michel Le Bihan <michel@lebihan.pl>
parents: 2925
diff changeset
172 return render(success_tpl, { jid = jid });
653
c08b0e4b7b38 mod_register_web: Extremely rough web registration page, with captcha
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
173 end
c08b0e4b7b38 mod_register_web: Extremely rough web registration page, with captcha
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
174
2929
3a104a900af1 mod_register_web: Pass username to generate_register_response
Michel Le Bihan <michel@lebihan.pl>
parents: 2925
diff changeset
175 function generate_register_response(event, jid, err)
1618
c56baec031e8 mod_register_web: Send Content-Type headers
Kim Alvefur <zash@zash.se>
parents: 1572
diff changeset
176 event.response.headers.content_type = "text/html; charset=utf-8";
2929
3a104a900af1 mod_register_web: Pass username to generate_register_response
Michel Le Bihan <michel@lebihan.pl>
parents: 2925
diff changeset
177 if jid then
3a104a900af1 mod_register_web: Pass username to generate_register_response
Michel Le Bihan <michel@lebihan.pl>
parents: 2925
diff changeset
178 return generate_success(event, jid);
653
c08b0e4b7b38 mod_register_web: Extremely rough web registration page, with captcha
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
179 else
c08b0e4b7b38 mod_register_web: Extremely rough web registration page, with captcha
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
180 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
181 end
c08b0e4b7b38 mod_register_web: Extremely rough web registration page, with captcha
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
182 end
c08b0e4b7b38 mod_register_web: Extremely rough web registration page, with captcha
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
183
c08b0e4b7b38 mod_register_web: Extremely rough web registration page, with captcha
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
184 function handle_form(event)
c08b0e4b7b38 mod_register_web: Extremely rough web registration page, with captcha
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
185 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
186 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
187 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
188 if ok then
2929
3a104a900af1 mod_register_web: Pass username to generate_register_response
Michel Le Bihan <michel@lebihan.pl>
parents: 2925
diff changeset
189 local jid, register_err = register_user(form, request);
3a104a900af1 mod_register_web: Pass username to generate_register_response
Michel Le Bihan <michel@lebihan.pl>
parents: 2925
diff changeset
190 response:send(generate_register_response(event, jid, register_err));
653
c08b0e4b7b38 mod_register_web: Extremely rough web registration page, with captcha
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
191 else
1226
0667624637da mod_register_web: Split out recaptcha verification to a separate function
Kim Alvefur <zash@zash.se>
parents: 1225
diff changeset
192 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
193 end
c08b0e4b7b38 mod_register_web: Extremely rough web registration page, with captcha
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
194 end);
c08b0e4b7b38 mod_register_web: Extremely rough web registration page, with captcha
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
195 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
196 end
c08b0e4b7b38 mod_register_web: Extremely rough web registration page, with captcha
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
197
c08b0e4b7b38 mod_register_web: Extremely rough web registration page, with captcha
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
198 module:provides("http", {
c08b0e4b7b38 mod_register_web: Extremely rough web registration page, with captcha
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
199 route = {
c08b0e4b7b38 mod_register_web: Extremely rough web registration page, with captcha
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
200 GET = generate_page;
1239
cc5cbeeb9fc7 mod_register_web: Handle URLs with a trailing slash
Kim Alvefur <zash@zash.se>
parents: 1238
diff changeset
201 ["GET /"] = generate_page;
653
c08b0e4b7b38 mod_register_web: Extremely rough web registration page, with captcha
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
202 POST = handle_form;
1239
cc5cbeeb9fc7 mod_register_web: Handle URLs with a trailing slash
Kim Alvefur <zash@zash.se>
parents: 1238
diff changeset
203 ["POST /"] = handle_form;
653
c08b0e4b7b38 mod_register_web: Extremely rough web registration page, with captcha
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
204 };
c08b0e4b7b38 mod_register_web: Extremely rough web registration page, with captcha
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
205 });