prosody
feaef6215bb8
plugins/mod_register_ibr.lua

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plugins/mod_register_ibr.lua @ 9307:feaef6215bb8

util.stanza: Don't automatically generate ids for iq stanzas Users of this API should provide their own id attribute that meets their uniqueness requirements. The current implementation leaks information (i.e. how many iq stanzas have been sent by the server to other JIDs). Providing any strong guarantees of randomness here would need to pull in additional dependencies that we don't want in this simple library.
author Matthew Wild <mwild1@gmail.com>
date Thu, 13 Sep 2018 16:35:48 +0100
parent 8737:6d71845bf56f
child 9453:b6cdadb1175d
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1523
841d61be198f Remove version number from copyright headers
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diff changeset
1 -- Prosody IM
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b7049746bd29 Update copyright headers for 2010
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2 -- Copyright (C) 2008-2010 Matthew Wild
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3 -- Copyright (C) 2008-2010 Waqas Hussain
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4 --
758
b1885732e979 GPL->MIT!
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5 -- This project is MIT/X11 licensed. Please see the
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6 -- COPYING file in the source package for more information.
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cccd610a0ef9 Insert copyright/license headers
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7 --
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8
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9
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10 local st = require "util.stanza";
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11 local dataform_new = require "util.dataforms".new;
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12 local usermanager_user_exists = require "core.usermanager".user_exists;
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13 local usermanager_create_user = require "core.usermanager".create_user;
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14 local usermanager_delete_user = require "core.usermanager".delete_user;
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cc180d25dbeb Fixed: mod_register: Node prepping was not being applied to usernames (part of issue #57)
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15 local nodeprep = require "util.encodings".stringprep.nodeprep;
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e504b06492c6 mod_register: Add registration_compat config option to allow account remove requests addressed to='host' (defaults to true)
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16
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17 local additional_fields = module:get_option("additional_registration_fields", {});
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18 local require_encryption = module:get_option_boolean("c2s_require_encryption",
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19 module:get_option_boolean("require_encryption", false));
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20
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21 local account_details = module:open_store("account_details");
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22
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23 local field_map = {
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24 username = { name = "username", type = "text-single", label = "Username", required = true };
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25 password = { name = "password", type = "text-private", label = "Password", required = true };
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26 nick = { name = "nick", type = "text-single", label = "Nickname" };
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27 name = { name = "name", type = "text-single", label = "Full Name" };
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28 first = { name = "first", type = "text-single", label = "Given Name" };
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29 last = { name = "last", type = "text-single", label = "Family Name" };
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30 email = { name = "email", type = "text-single", label = "Email" };
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31 address = { name = "address", type = "text-single", label = "Street" };
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32 city = { name = "city", type = "text-single", label = "City" };
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33 state = { name = "state", type = "text-single", label = "State" };
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34 zip = { name = "zip", type = "text-single", label = "Postal code" };
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35 phone = { name = "phone", type = "text-single", label = "Telephone number" };
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36 url = { name = "url", type = "text-single", label = "Webpage" };
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37 date = { name = "date", type = "text-single", label = "Birth date" };
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38 };
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39
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40 local title = module:get_option_string("registration_title",
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41 "Creating a new account");
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42 local instructions = module:get_option_string("registration_instructions",
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43 "Choose a username and password for use with this service.");
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44
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45 local registration_form = dataform_new{
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46 title = title;
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47 instructions = instructions;
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48
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49 field_map.username;
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50 field_map.password;
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51 };
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52
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53 local registration_query = st.stanza("query", {xmlns = "jabber:iq:register"})
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54 :tag("instructions"):text(instructions):up()
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55 :tag("username"):up()
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56 :tag("password"):up();
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57
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58 for _, field in ipairs(additional_fields) do
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59 if type(field) == "table" then
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60 registration_form[#registration_form + 1] = field;
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61 elseif field_map[field] or field_map[field:sub(1, -2)] then
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62 if field:match("%+$") then
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63 field = field:sub(1, -2);
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64 field_map[field].required = true;
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65 end
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66
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67 registration_form[#registration_form + 1] = field_map[field];
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68 registration_query:tag(field):up();
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69 else
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70 module:log("error", "Unknown field %q", field);
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71 end
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72 end
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73 registration_query:add_child(registration_form:form());
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74
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75 local register_stream_feature = st.stanza("register", {xmlns="http://jabber.org/features/iq-register"}):up();
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76 module:hook("stream-features", function(event)
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77 local session, features = event.origin, event.features;
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78
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79 -- Advertise registration to unauthorized clients only.
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80 if session.type ~= "c2s_unauthed" or (require_encryption and not session.secure) then
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81 return
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82 end
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83
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84 features:add_child(register_stream_feature);
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85 end);
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86
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87 local function parse_response(query)
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88 local form = query:get_child("x", "jabber:x:data");
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89 if form then
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90 return registration_form:data(form);
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91 else
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92 local data = {};
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93 local errors = {};
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94 for _, field in ipairs(registration_form) do
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95 local name, required = field.name, field.required;
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96 if field_map[name] then
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97 data[name] = query:get_child_text(name);
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98 if (not data[name] or #data[name] == 0) and required then
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99 errors[name] = "Required value missing";
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100 end
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101 end
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102 end
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103 if next(errors) then
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104 return data, errors;
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105 end
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106 return data;
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107 end
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108 end
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109
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110 -- In-band registration
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111 module:hook("stanza/iq/jabber:iq:register:query", function(event)
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112 local session, stanza = event.origin, event.stanza;
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113 local log = session.log or module._log;
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114
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115 if session.type ~= "c2s_unauthed" then
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116 log("debug", "Attempted registration when disabled or already authenticated");
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117 session.send(st.error_reply(stanza, "cancel", "service-unavailable"));
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118 return true;
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119 end
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120
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121 if require_encryption and not session.secure then
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122 session.send(st.error_reply(stanza, "modify", "policy-violation", "Encryption is required"));
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123 return true;
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124 end
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125
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126 local query = stanza.tags[1];
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127 if stanza.attr.type == "get" then
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128 local reply = st.reply(stanza);
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129 reply:add_child(registration_query);
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130 session.send(reply);
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131 return true;
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132 end
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133
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134 -- stanza.attr.type == "set"
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135 if query.tags[1] and query.tags[1].name == "remove" then
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136 session.send(st.error_reply(stanza, "auth", "registration-required"));
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137 return true;
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138 end
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139
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140 local data, errors = parse_response(query);
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141 if errors then
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142 log("debug", "Error parsing registration form:");
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143 local textual_errors = {};
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144 for field, err in pairs(errors) do
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145 log("debug", "Field %q: %s", field, err);
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146 table.insert(textual_errors, ("%s: %s"):format(field:gsub("^%a", string.upper), err));
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147 end
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148 session.send(st.error_reply(stanza, "modify", "not-acceptable", table.concat(textual_errors, "\n")));
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149 return true;
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150 end
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151
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152 local username, password = nodeprep(data.username), data.password;
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153 data.username, data.password = nil, nil;
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154 local host = module.host;
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155 if not username or username == "" then
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156 log("debug", "The requested username is invalid.");
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157 session.send(st.error_reply(stanza, "modify", "not-acceptable", "The requested username is invalid."));
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158 return true;
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159 end
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160
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161 local user = { username = username , host = host, additional = data, ip = session.ip, session = session, allowed = true }
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162 module:fire_event("user-registering", user);
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163 if not user.allowed then
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164 log("debug", "Registration disallowed by module: %s", user.reason or "no reason given");
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165 session.send(st.error_reply(stanza, "modify", "not-acceptable", user.reason));
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166 return true;
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167 end
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168
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169 if usermanager_user_exists(username, host) then
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170 log("debug", "Attempt to register with existing username");
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171 session.send(st.error_reply(stanza, "cancel", "conflict", "The requested username already exists."));
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172 return true;
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173 end
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174
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175 -- TODO unable to write file, file may be locked, etc, what's the correct error?
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176 local error_reply = st.error_reply(stanza, "wait", "internal-server-error", "Failed to write data to disk.");
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177 if usermanager_create_user(username, password, host) then
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178 data.registered = os.time();
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179 if not account_details:set(username, data) then
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180 log("debug", "Could not store extra details");
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181 usermanager_delete_user(username, host);
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182 session.send(error_reply);
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183 return true;
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184 end
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185 session.send(st.reply(stanza)); -- user created!
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186 log("info", "User account created: %s@%s", username, host);
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187 module:fire_event("user-registered", {
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188 username = username, host = host, source = "mod_register",
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189 session = session });
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190 else
8736
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191 log("debug", "Could not create user");
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192 session.send(error_reply);
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193 end
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194 return true;
60
44800be871f5 User registration, etc (jabber:iq:register)
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
195 end);