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Merged mod_InBandRegistration from waqas

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Matthew Wild 2008-10-05 01:32:43 +01:00
commit 84219ab443
4 changed files with 103 additions and 0 deletions
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1
core/modulemanager.lua
View file

@ -48,6 +48,7 @@ function loadall()
load("saslauth");
load("legacyauth");
load("roster");
load("InBandRegistration");
end
function load(name)

8
core/usermanager.lua
View file

@ -12,4 +12,12 @@ function validate_credentials(host, username, password)
return false;
end
function user_exists(username, host)
return datamanager.load(username, host, "accounts") ~= nil;
end
function create_user(username, password, host)
return datamanager.store(username, host, "accounts", {password = password});
end
return _M;

84
plugins/mod_InBandRegistration.lua Normal file
View file

@ -0,0 +1,84 @@
local st = require "util.stanza";
local send = require "core.sessionmanager".send_to_session;
local usermanager_user_exists = require "core.usermanager".user_exists;
local usermanager_create_user = require "core.usermanager".create_user;
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();
send(session, 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
send(session, st.error_reply(stanza, "cancel", "not-allowed"));
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?
send(session, st.reply(stanza));
else
-- TODO internal error, unable to write file, file may be locked, etc
end
else
send(session, st.error_reply(stanza, "modify", "bad-request"));
end
else
send(session, st.error_reply(stanza, "modify", "bad-request"));
end
end
end
else
send(session, st.error_reply(stanza, "cancel", "service-unavailable"));
end;
end);
add_iq_handler("c2s_unauthed", "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("instructions"):text("Choose a username and password for use with this service."):up()
:tag("username"):up()
:tag("password"):up();
send(session, reply);
elseif stanza.attr.type == "set" then
if query.tags[1] and query.tags[1].name == "remove" then
send(session, st.error_reply(stanza, "auth", "registration-required"));
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 usermanager_user_exists(username, session.host) then
send(session, st.error_reply(stanza, "cancel", "conflict"));
else
if usermanager_create_user(username, password, session.host) then
send(session, st.reply(stanza)); -- user created!
else
-- TODO internal error, unable to write file, file may be locked, etc
end
end
else
send(session, st.error_reply(stanza, "modify", "not-acceptable"));
end
end
end
else
send(session, st.error_reply(stanza, "cancel", "service-unavailable"));
end;
end);

10
util/stanza.lua
View file

@ -123,6 +123,16 @@ function reply(orig)
return stanza(orig.name, orig.attr and { to = orig.attr.from, from = orig.attr.to, id = orig.attr.id, type = ((orig.name == "iq" and "result") or nil) });
end
function error_reply(orig, type, condition, message, clone)
local r = reply(orig);
t.attr.type = "error";
-- TODO use clone
t:tag("error", {type = type})
:tag(condition, {xmlns = "urn:ietf:params:xml:ns:xmpp-stanzas"}):up();
if (message) then t:tag("text"):text(message):up(); end
return t; -- stanza ready for adding app-specific errors
end
function presence(attr)
return stanza("presence", attr);
end