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plugins/mod_component.lua @ 1136:506012db54e8
mod_pep: Initial commit (extremely basic implementation)
author | Waqas Hussain <waqas20@gmail.com> |
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date | Fri, 08 May 2009 01:07:35 +0500 |
parent | 1108:368754c54045 |
child | 1405:19269d278c38 |
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-- Prosody IM v0.4 -- Copyright (C) 2008-2009 Matthew Wild -- Copyright (C) 2008-2009 Waqas Hussain -- -- This project is MIT/X11 licensed. Please see the -- COPYING file in the source package for more information. -- if module:get_host_type() ~= "component" then error("Don't load mod_component manually, it should be for a component, please see http://prosody.im/doc/components", 0); end local hosts = _G.hosts; local t_concat = table.concat; local lxp = require "lxp"; local logger = require "util.logger"; local config = require "core.configmanager"; local connlisteners = require "net.connlisteners"; local cm_register_component = require "core.componentmanager".register_component; local cm_deregister_component = require "core.componentmanager".deregister_component; local uuid_gen = require "util.uuid".generate; local sha1 = require "util.hashes".sha1; local st = require "util.stanza"; local init_xmlhandlers = require "core.xmlhandlers"; local sessions = {}; local log = module._log; local component_listener = { default_port = 5347; default_mode = "*a"; default_interface = config.get("*", "core", "component_interface") or "127.0.0.1" }; local xmlns_component = 'jabber:component:accept'; --- Handle authentication attempts by components function handle_component_auth(session, stanza) log("info", "Handling component auth"); if (not session.host) or #stanza.tags > 0 then (session.log or log)("warn", "Component handshake invalid"); session:close("not-authorized"); return; end local secret = config.get(session.user, "core", "component_secret"); if not secret then (session.log or log)("warn", "Component attempted to identify as %s, but component_password is not set", session.user); session:close("not-authorized"); return; end local supplied_token = t_concat(stanza); local calculated_token = sha1(session.streamid..secret, true); if supplied_token:lower() ~= calculated_token:lower() then log("info", "Component for %s authentication failed", session.host); session:close{ condition = "not-authorized", text = "Given token does not match calculated token" }; return; end -- Authenticated now log("info", "Component authenticated: %s", session.host); -- If component not already created for this host, create one now if not hosts[session.host].connected then local send = session.send; session.component_session = cm_register_component(session.host, function (_, data) return send(data); end); hosts[session.host].connected = true; log("info", "Component successfully registered"); else log("error", "Multiple components bound to the same address, first one wins (TODO: Implement stanza distribution)"); end -- Signal successful authentication session.send(st.stanza("handshake")); end module:add_handler("component", "handshake", xmlns_component, handle_component_auth);