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74 lines
2.5 KiB
74 lines
2.5 KiB
-- Prosody IM v0.4
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-- Copyright (C) 2008-2009 Matthew Wild
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-- Copyright (C) 2008-2009 Waqas Hussain
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--
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-- This project is MIT/X11 licensed. Please see the
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-- COPYING file in the source package for more information.
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--
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local st = require "util.stanza";
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local t_concat = table.concat;
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local config = require "core.configmanager";
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local secure_auth_only = config.get(module:get_host(), "core", "require_encryption");
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local sessionmanager = require "core.sessionmanager";
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local usermanager = require "core.usermanager";
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module:add_feature("jabber:iq:auth");
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module:add_event_hook("stream-features", function (session, features)
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if secure_auth_only and not session.secure then
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-- Sorry, not offering to insecure streams!
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return;
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elseif not session.username then
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features:tag("auth", {xmlns='http://jabber.org/features/iq-auth'}):up();
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end
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end);
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module:add_iq_handler("c2s_unauthed", "jabber:iq:auth",
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function (session, stanza)
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if secure_auth_only and not session.secure then
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session.send(st.error_reply(stanza, "modify", "not-acceptable", "Encryption (SSL or TLS) is required to connect to this server"));
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return true;
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end
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local username = stanza.tags[1]:child_with_name("username");
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local password = stanza.tags[1]:child_with_name("password");
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local resource = stanza.tags[1]:child_with_name("resource");
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if not (username and password and resource) then
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local reply = st.reply(stanza);
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session.send(reply:query("jabber:iq:auth")
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:tag("username"):up()
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:tag("password"):up()
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:tag("resource"):up());
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return true;
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else
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username, password, resource = t_concat(username), t_concat(password), t_concat(resource);
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local reply = st.reply(stanza);
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require "core.usermanager"
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if usermanager.validate_credentials(session.host, username, password) then
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-- Authentication successful!
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local success, err = sessionmanager.make_authenticated(session, username);
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if success then
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local err_type, err_msg;
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success, err_type, err, err_msg = sessionmanager.bind_resource(session, resource);
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if not success then
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session.send(st.error_reply(stanza, err_type, err, err_msg));
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return true;
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end
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end
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session.send(st.reply(stanza));
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return true;
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else
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local reply = st.reply(stanza);
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reply.attr.type = "error";
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reply:tag("error", { code = "401", type = "auth" })
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:tag("not-authorized", { xmlns = "urn:ietf:params:xml:ns:xmpp-stanzas" });
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session.send(reply);
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return true;
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end
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end
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end);
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