prosody
2afd6d9e21cd
plugins/mod_register.lua

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plugins/mod_register.lua @ 713:2afd6d9e21cd

modulemanager: Check for syntax errors before reloading a module
author Waqas Hussain <waqas20@gmail.com>
date Tue, 13 Jan 2009 23:16:39 +0500
parent 691:406b070b5d3e
child 758:b1885732e979
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rev   line source
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diff changeset
1 -- Prosody IM v0.2
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2 -- Copyright (C) 2008 Matthew Wild
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3 -- Copyright (C) 2008 Waqas Hussain
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4 --
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5 -- This program is free software; you can redistribute it and/or
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6 -- modify it under the terms of the GNU General Public License
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7 -- as published by the Free Software Foundation; either version 2
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8 -- of the License, or (at your option) any later version.
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9 --
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10 -- This program is distributed in the hope that it will be useful,
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11 -- but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 -- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 -- GNU General Public License for more details.
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14 --
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15 -- You should have received a copy of the GNU General Public License
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16 -- along with this program; if not, write to the Free Software
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17 -- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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18 --
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19
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20
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21
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22 local st = require "util.stanza";
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23 local usermanager_user_exists = require "core.usermanager".user_exists;
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24 local usermanager_create_user = require "core.usermanager".create_user;
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25 local datamanager_store = require "util.datamanager".store;
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26 local os_time = os.time;
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27
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28 module:add_feature("jabber:iq:register");
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29
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30 module:add_iq_handler("c2s", "jabber:iq:register", function (session, stanza)
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31 if stanza.tags[1].name == "query" then
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32 local query = stanza.tags[1];
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33 if stanza.attr.type == "get" then
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34 local reply = st.reply(stanza);
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35 reply:tag("query", {xmlns = "jabber:iq:register"})
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36 :tag("registered"):up()
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37 :tag("username"):text(session.username):up()
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38 :tag("password"):up();
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39 session.send(reply);
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40 elseif stanza.attr.type == "set" then
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41 if query.tags[1] and query.tags[1].name == "remove" then
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42 -- TODO delete user auth data, send iq response, kick all user resources with a <not-authorized/>, delete all user data
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43 --session.send(st.error_reply(stanza, "cancel", "not-allowed"));
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44 --return;
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45 usermanager_create_user(session.username, nil, session.host); -- Disable account
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46 -- FIXME the disabling currently allows a different user to recreate the account
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47 -- we should add an in-memory account block mode when we have threading
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48 session.send(st.reply(stanza));
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49 local roster = session.roster;
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50 for _, session in pairs(hosts[session.host].sessions[session.username].sessions) do -- disconnect all resources
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51 session:disconnect({condition = "not-authorized", text = "Account deleted"});
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52 end
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53 -- TODO datamanager should be able to delete all user data itself
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54 datamanager.store(session.username, session.host, "roster", nil);
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55 datamanager.store(session.username, session.host, "vcard", nil);
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56 datamanager.store(session.username, session.host, "private", nil);
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57 datamanager.store(session.username, session.host, "offline", nil);
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58 local bare = session.username.."@"..session.host;
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59 for jid, item in pairs(roster) do
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60 if jid ~= "pending" then
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61 if item.subscription == "both" or item.subscription == "to" then
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62 -- TODO unsubscribe
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63 end
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64 if item.subscription == "both" or item.subscription == "from" then
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65 -- TODO unsubscribe
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66 end
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67 end
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68 end
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69 datamanager.store(session.username, session.host, "accounts", nil); -- delete accounts datastore at the end
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70 else
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71 local username = query:child_with_name("username");
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72 local password = query:child_with_name("password");
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73 if username and password then
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74 -- FIXME shouldn't use table.concat
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75 username = table.concat(username);
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76 password = table.concat(password);
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77 if username == session.username then
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78 if usermanager_create_user(username, password, session.host) then -- password change -- TODO is this the right way?
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79 session.send(st.reply(stanza));
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80 else
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81 -- TODO unable to write file, file may be locked, etc, what's the correct error?
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82 session.send(st.error_reply(stanza, "wait", "internal-server-error"));
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83 end
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84 else
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85 session.send(st.error_reply(stanza, "modify", "bad-request"));
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86 end
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87 else
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88 session.send(st.error_reply(stanza, "modify", "bad-request"));
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89 end
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90 end
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91 end
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92 else
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93 session.send(st.error_reply(stanza, "cancel", "service-unavailable"));
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94 end;
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95 end);
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96
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97 local recent_ips = {};
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98 local min_seconds_between_registrations = config.get(module.host, "core", "min_seconds_between_registrations");
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99 local whitelist_only = config.get(module.host, "core", "whitelist_registration_only");
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100 local whitelisted_ips = config.get(module.host, "core", "registration_whitelist") or { "127.0.0.1" };
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101 local blacklisted_ips = config.get(module.host, "core", "registration_blacklist") or {};
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102
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103 for _, ip in ipairs(whitelisted_ips) do whitelisted_ips[ip] = true; end
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104 for _, ip in ipairs(blacklisted_ips) do blacklisted_ips[ip] = true; end
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105
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106 module:add_iq_handler("c2s_unauthed", "jabber:iq:register", function (session, stanza)
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107 if config.get(module.host, "core", "allow_registration") == false then
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108 session.send(st.error_reply(stanza, "cancel", "service-unavailable"));
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109 elseif stanza.tags[1].name == "query" then
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110 local query = stanza.tags[1];
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111 if stanza.attr.type == "get" then
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112 local reply = st.reply(stanza);
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113 reply:tag("query", {xmlns = "jabber:iq:register"})
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114 :tag("instructions"):text("Choose a username and password for use with this service."):up()
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115 :tag("username"):up()
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116 :tag("password"):up();
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117 session.send(reply);
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118 elseif stanza.attr.type == "set" then
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119 if query.tags[1] and query.tags[1].name == "remove" then
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120 session.send(st.error_reply(stanza, "auth", "registration-required"));
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121 else
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122 local username = query:child_with_name("username");
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123 local password = query:child_with_name("password");
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124 if username and password then
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125 -- Check that the user is not blacklisted or registering too often
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126 if blacklisted_ips[session.ip] or (whitelist_only and not whitelisted_ips[session.ip]) then
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127 session.send(st.error_reply(stanza, "cancel", "not-acceptable"));
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128 return;
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129 elseif min_seconds_between_registrations and not whitelisted_ips[session.ip] then
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130 if not recent_ips[session.ip] then
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131 recent_ips[session.ip] = { time = os_time(), count = 1 };
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parents: 665
diff changeset
132 else
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Matthew Wild <mwild1@gmail.com>
parents: 665
diff changeset
133
e901a0709005 Added rate limiting to in-band registration, and added IP [black/white]lists
Matthew Wild <mwild1@gmail.com>
parents: 665
diff changeset
134 local ip = recent_ips[session.ip];
e901a0709005 Added rate limiting to in-band registration, and added IP [black/white]lists
Matthew Wild <mwild1@gmail.com>
parents: 665
diff changeset
135 ip.count = ip.count + 1;
e901a0709005 Added rate limiting to in-band registration, and added IP [black/white]lists
Matthew Wild <mwild1@gmail.com>
parents: 665
diff changeset
136
e901a0709005 Added rate limiting to in-band registration, and added IP [black/white]lists
Matthew Wild <mwild1@gmail.com>
parents: 665
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137 if os_time() - ip.time < min_seconds_between_registrations then
e901a0709005 Added rate limiting to in-band registration, and added IP [black/white]lists
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parents: 665
diff changeset
138 ip.time = os_time();
e901a0709005 Added rate limiting to in-band registration, and added IP [black/white]lists
Matthew Wild <mwild1@gmail.com>
parents: 665
diff changeset
139 session.send(st.error_reply(stanza, "cancel", "not-acceptable"));
e901a0709005 Added rate limiting to in-band registration, and added IP [black/white]lists
Matthew Wild <mwild1@gmail.com>
parents: 665
diff changeset
140 return;
e901a0709005 Added rate limiting to in-band registration, and added IP [black/white]lists
Matthew Wild <mwild1@gmail.com>
parents: 665
diff changeset
141 end
e901a0709005 Added rate limiting to in-band registration, and added IP [black/white]lists
Matthew Wild <mwild1@gmail.com>
parents: 665
diff changeset
142 ip.time = os_time();
e901a0709005 Added rate limiting to in-band registration, and added IP [black/white]lists
Matthew Wild <mwild1@gmail.com>
parents: 665
diff changeset
143 end
e901a0709005 Added rate limiting to in-band registration, and added IP [black/white]lists
Matthew Wild <mwild1@gmail.com>
parents: 665
diff changeset
144 end
60
44800be871f5 User registration, etc (jabber:iq:register)
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
145 -- FIXME shouldn't use table.concat
44800be871f5 User registration, etc (jabber:iq:register)
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
146 username = table.concat(username);
44800be871f5 User registration, etc (jabber:iq:register)
Waqas Hussain <waqas20@gmail.com>
parents:
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147 password = table.concat(password);
44800be871f5 User registration, etc (jabber:iq:register)
Waqas Hussain <waqas20@gmail.com>
parents:
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148 if usermanager_user_exists(username, session.host) then
311
513bd52e8e19 Fixed mod_register to use session.send for sending stanzas
Waqas Hussain <waqas20@gmail.com>
parents: 85
diff changeset
149 session.send(st.error_reply(stanza, "cancel", "conflict"));
60
44800be871f5 User registration, etc (jabber:iq:register)
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
150 else
44800be871f5 User registration, etc (jabber:iq:register)
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
151 if usermanager_create_user(username, password, session.host) then
311
513bd52e8e19 Fixed mod_register to use session.send for sending stanzas
Waqas Hussain <waqas20@gmail.com>
parents: 85
diff changeset
152 session.send(st.reply(stanza)); -- user created!
60
44800be871f5 User registration, etc (jabber:iq:register)
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
153 else
85
a115b99419ad Added: mod_register now replies with an error stanza when file write fails
Waqas Hussain <waqas20@gmail.com>
parents: 63
diff changeset
154 -- TODO unable to write file, file may be locked, etc, what's the correct error?
311
513bd52e8e19 Fixed mod_register to use session.send for sending stanzas
Waqas Hussain <waqas20@gmail.com>
parents: 85
diff changeset
155 session.send(st.error_reply(stanza, "wait", "internal-server-error"));
60
44800be871f5 User registration, etc (jabber:iq:register)
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
156 end
44800be871f5 User registration, etc (jabber:iq:register)
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
157 end
44800be871f5 User registration, etc (jabber:iq:register)
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
158 else
311
513bd52e8e19 Fixed mod_register to use session.send for sending stanzas
Waqas Hussain <waqas20@gmail.com>
parents: 85
diff changeset
159 session.send(st.error_reply(stanza, "modify", "not-acceptable"));
60
44800be871f5 User registration, etc (jabber:iq:register)
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
160 end
44800be871f5 User registration, etc (jabber:iq:register)
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
161 end
44800be871f5 User registration, etc (jabber:iq:register)
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
162 end
44800be871f5 User registration, etc (jabber:iq:register)
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
163 else
311
513bd52e8e19 Fixed mod_register to use session.send for sending stanzas
Waqas Hussain <waqas20@gmail.com>
parents: 85
diff changeset
164 session.send(st.error_reply(stanza, "cancel", "service-unavailable"));
60
44800be871f5 User registration, etc (jabber:iq:register)
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
165 end;
44800be871f5 User registration, etc (jabber:iq:register)
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
166 end);
665
09e0e9c722a3 Add allow_registration option to disable account registration
Matthew Wild <mwild1@gmail.com>
parents: 615
diff changeset
167