+-- Prosody IM
+-- Copyright (C) 2008-2010 Matthew Wild
+-- Copyright (C) 2008-2010 Waqas Hussain
+--
+-- This project is MIT/X11 licensed. Please see the
+-- COPYING file in the source package for more information.
+--
+
+local hosts = _G.hosts;
local st = require "util.stanza";
+local datamanager = require "util.datamanager";
local usermanager_user_exists = require "core.usermanager".user_exists;
local usermanager_create_user = require "core.usermanager".create_user;
-local datamanager_store = require "util.datamanager".store;
+local usermanager_set_password = require "core.usermanager".set_password;
+local usermanager_delete_user = require "core.usermanager".delete_user;
+local os_time = os.time;
+local nodeprep = require "util.encodings".stringprep.nodeprep;
+local jid_bare = require "util.jid".bare;
-require "core.discomanager".set("register", "jabber:iq:register");
+local compat = module:get_option_boolean("registration_compat", true);
-module:add_iq_handler("c2s", "jabber:iq:register", function (session, stanza)
- if stanza.tags[1].name == "query" then
- local query = stanza.tags[1];
- if stanza.attr.type == "get" then
- local reply = st.reply(stanza);
- reply:tag("query", {xmlns = "jabber:iq:register"})
- :tag("registered"):up()
- :tag("username"):text(session.username):up()
- :tag("password"):up();
- session.send(reply);
- elseif stanza.attr.type == "set" then
- if query.tags[1] and query.tags[1].name == "remove" then
- -- TODO delete user auth data, send iq response, kick all user resources with a <not-authorized/>, delete all user data
- --session.send(st.error_reply(stanza, "cancel", "not-allowed"));
- --return;
- usermanager_create_user(session.username, nil, session.host); -- Disable account
- -- FIXME the disabling currently allows a different user to recreate the account
- -- we should add an in-memory account block mode when we have threading
- session.send(st.reply(stanza));
- local roster = session.roster;
- for _, session in pairs(hosts[session.host].sessions[session.username].sessions) do -- disconnect all resources
- session:disconnect({condition = "not-authorized", text = "Account deleted"});
- end
- -- TODO datamanager should be able to delete all user data itself
- datamanager.store(session.username, session.host, "roster", nil);
- datamanager.store(session.username, session.host, "vCard", nil);
- datamanager.store(session.username, session.host, "private", nil);
- datamanager.store(session.username, session.host, "offline", nil);
- local bare = session.username.."@"..session.host;
- for jid, item in pairs(roster) do
- if jid ~= "pending" then
- if item.subscription == "both" or item.subscription == "to" then
- -- TODO unsubscribe
- end
- if item.subscription == "both" or item.subscription == "from" then
- -- TODO unsubscribe
- end
+module:add_feature("jabber:iq:register");
+
+local function handle_registration_stanza(event)
+ local session, stanza = event.origin, event.stanza;
+
+ local query = stanza.tags[1];
+ if stanza.attr.type == "get" then
+ local reply = st.reply(stanza);
+ reply:tag("query", {xmlns = "jabber:iq:register"})
+ :tag("registered"):up()
+ :tag("username"):text(session.username):up()
+ :tag("password"):up();
+ session.send(reply);
+ else -- stanza.attr.type == "set"
+ if query.tags[1] and query.tags[1].name == "remove" then
+ -- TODO delete user auth data, send iq response, kick all user resources with a <not-authorized/>, delete all user data
+ local username, host = session.username, session.host;
+
+ local ok, err = usermanager_delete_user(username, host);
+
+ if not ok then
+ module:log("debug", "Removing user account %s@%s failed: %s", username, host, err);
+ session.send(st.error_reply(stanza, "cancel", "service-unavailable", err));
+ return true;
+ end
+
+ session.send(st.reply(stanza));
+ local roster = session.roster;
+ for _, session in pairs(hosts[host].sessions[username].sessions) do -- disconnect all resources
+ session:close({condition = "not-authorized", text = "Account deleted"});
+ end
+ -- TODO datamanager should be able to delete all user data itself
+ datamanager.store(username, host, "vcard", nil);
+ datamanager.store(username, host, "private", nil);
+ datamanager.list_store(username, host, "offline", nil);
+ local bare = username.."@"..host;
+ for jid, item in pairs(roster) do
+ if jid and jid ~= "pending" then
+ if item.subscription == "both" or item.subscription == "from" or (roster.pending and roster.pending[jid]) then
+ core_post_stanza(hosts[host], st.presence({type="unsubscribed", from=bare, to=jid}));
+ end
+ if item.subscription == "both" or item.subscription == "to" or item.ask then
+ core_post_stanza(hosts[host], st.presence({type="unsubscribe", from=bare, to=jid}));
end
end
- datamanager.store(session.username, session.host, "accounts", nil); -- delete accounts datastore at the end
- else
- local username = query:child_with_name("username");
- local password = query:child_with_name("password");
- if username and password then
- -- FIXME shouldn't use table.concat
- username = table.concat(username);
- password = table.concat(password);
- if username == session.username then
- if usermanager_create_user(username, password, session.host) then -- password change -- TODO is this the right way?
- session.send(st.reply(stanza));
- else
- -- TODO unable to write file, file may be locked, etc, what's the correct error?
- session.send(st.error_reply(stanza, "wait", "internal-server-error"));
- end
+ end
+ datamanager.store(username, host, "roster", nil);
+ datamanager.store(username, host, "privacy", nil);
+ module:log("info", "User removed their account: %s@%s", username, host);
+ module:fire_event("user-deregistered", { username = username, host = host, source = "mod_register", session = session });
+ else
+ local username = nodeprep(query:get_child("username"):get_text());
+ local password = query:get_child("password"):get_text();
+ if username and password then
+ if username == session.username then
+ if usermanager_set_password(username, password, session.host) then
+ session.send(st.reply(stanza));
else
- session.send(st.error_reply(stanza, "modify", "bad-request"));
+ -- TODO unable to write file, file may be locked, etc, what's the correct error?
+ session.send(st.error_reply(stanza, "wait", "internal-server-error"));
end
else
session.send(st.error_reply(stanza, "modify", "bad-request"));
end
+ else
+ session.send(st.error_reply(stanza, "modify", "bad-request"));
end
end
- else
- session.send(st.error_reply(stanza, "cancel", "service-unavailable"));
- end;
-end);
+ end
+ return true;
+end
+
+module:hook("iq/self/jabber:iq:register:query", handle_registration_stanza);
+if compat then
+ module:hook("iq/host/jabber:iq:register:query", function (event)
+ local session, stanza = event.origin, event.stanza;
+ if session.type == "c2s" and jid_bare(stanza.attr.to) == session.host then
+ return handle_registration_stanza(event);
+ end
+ end);
+end
-module:add_iq_handler("c2s_unauthed", "jabber:iq:register", function (session, stanza)
- if stanza.tags[1].name == "query" then
+local recent_ips = {};
+local min_seconds_between_registrations = module:get_option("min_seconds_between_registrations");
+local whitelist_only = module:get_option("whitelist_registration_only");
+local whitelisted_ips = module:get_option("registration_whitelist") or { "127.0.0.1" };
+local blacklisted_ips = module:get_option("registration_blacklist") or {};
+
+for _, ip in ipairs(whitelisted_ips) do whitelisted_ips[ip] = true; end
+for _, ip in ipairs(blacklisted_ips) do blacklisted_ips[ip] = true; end
+
+module:hook("stanza/iq/jabber:iq:register:query", function(event)
+ local session, stanza = event.origin, event.stanza;
+
+ if module:get_option("allow_registration") == false or session.type ~= "c2s_unauthed" then
+ session.send(st.error_reply(stanza, "cancel", "service-unavailable"));
+ else
local query = stanza.tags[1];
if stanza.attr.type == "get" then
local reply = st.reply(stanza);
local username = query:child_with_name("username");
local password = query:child_with_name("password");
if username and password then
+ -- Check that the user is not blacklisted or registering too often
+ if not session.ip then
+ module:log("debug", "User's IP not known; can't apply blacklist/whitelist");
+ elseif blacklisted_ips[session.ip] or (whitelist_only and not whitelisted_ips[session.ip]) then
+ session.send(st.error_reply(stanza, "cancel", "not-acceptable", "You are not allowed to register an account."));
+ return true;
+ elseif min_seconds_between_registrations and not whitelisted_ips[session.ip] then
+ if not recent_ips[session.ip] then
+ recent_ips[session.ip] = { time = os_time(), count = 1 };
+ else
+ local ip = recent_ips[session.ip];
+ ip.count = ip.count + 1;
+
+ if os_time() - ip.time < min_seconds_between_registrations then
+ ip.time = os_time();
+ session.send(st.error_reply(stanza, "wait", "not-acceptable"));
+ return true;
+ end
+ ip.time = os_time();
+ end
+ end
-- FIXME shouldn't use table.concat
- username = table.concat(username);
+ username = nodeprep(table.concat(username));
password = table.concat(password);
- if usermanager_user_exists(username, session.host) then
- session.send(st.error_reply(stanza, "cancel", "conflict"));
+ local host = module.host;
+ if not username or username == "" then
+ session.send(st.error_reply(stanza, "modify", "not-acceptable", "The requested username is invalid."));
+ elseif usermanager_user_exists(username, host) then
+ session.send(st.error_reply(stanza, "cancel", "conflict", "The requested username already exists."));
else
- if usermanager_create_user(username, password, session.host) then
+ if usermanager_create_user(username, password, host) then
session.send(st.reply(stanza)); -- user created!
+ module:log("info", "User account created: %s@%s", username, host);
+ module:fire_event("user-registered", {
+ username = username, host = host, source = "mod_register",
+ session = session });
else
-- TODO unable to write file, file may be locked, etc, what's the correct error?
- session.send(st.error_reply(stanza, "wait", "internal-server-error"));
+ session.send(st.error_reply(stanza, "wait", "internal-server-error", "Failed to write data to disk."));
end
end
else
end
end
end
- else
- session.send(st.error_reply(stanza, "cancel", "service-unavailable"));
- end;
+ end
+ return true;
end);
projects / prosody.git / blobdiff