2 local tonumber, tostring = tonumber, tostring;
3 local ipairs, pairs, print, next= ipairs, pairs, print, next;
4 local collectgarbage = collectgarbage;
5 local m_random = import("math", "random");
6 local format = import("string", "format");
9 local sessions = sessions;
11 local modulemanager = require "core.modulemanager";
12 local log = require "util.logger".init("sessionmanager");
14 local uuid_generate = require "util.uuid".uuid_generate;
15 local rm_load_roster = require "core.rostermanager".load_roster;
17 local newproxy = newproxy;
18 local getmetatable = getmetatable;
20 module "sessionmanager"
22 local open_sessions = 0;
24 function new_session(conn)
25 local session = { conn = conn, priority = 0, type = "c2s_unauthed" };
27 session.trace = newproxy(true);
28 getmetatable(session.trace).__gc = function () open_sessions = open_sessions - 1; print("Session got collected, now "..open_sessions.." sessions are allocated") end;
30 open_sessions = open_sessions + 1;
32 session.send = function (t) w(tostring(t)); end
36 function destroy_session(session)
37 session.log("info", "Destroying session");
38 if session.username then
39 if session.resource then
40 hosts[session.host].sessions[session.username].sessions[session.resource] = nil;
43 if not next(hosts[session.host].sessions[session.username].sessions) then
44 log("debug", "All resources of %s are now offline", session.username);
45 hosts[session.host].sessions[session.username] = nil;
49 session.disconnect = nil;
50 for k in pairs(session) do
57 function send_to_session(session, data)
58 log("debug", "Sending: %s", tostring(data));
59 session.conn.write(tostring(data));
62 function make_authenticated(session, username)
63 session.username = username;
64 if session.type == "c2s_unauthed" then
70 function bind_resource(session, resource)
71 if not session.username then return false, "auth"; end
72 if session.resource then return false, "constraint"; end -- We don't support binding multiple resources
73 resource = resource or uuid_generate();
74 --FIXME: Randomly-generated resources must be unique per-user, and never conflict with existing
76 if not hosts[session.host].sessions[session.username] then
77 hosts[session.host].sessions[session.username] = { sessions = {} };
79 if hosts[session.host].sessions[session.username].sessions[resource] then
81 return false, "conflict"; -- TODO kick old resource
85 session.resource = resource;
86 session.full_jid = session.username .. '@' .. session.host .. '/' .. resource;
87 hosts[session.host].sessions[session.username].sessions[resource] = session;
89 session.roster = rm_load_roster(session.username, session.host);
94 function streamopened(session, attr)
95 local send = session.send;
96 session.host = attr.to or error("Client failed to specify destination hostname");
97 session.version = tonumber(attr.version) or 0;
98 session.streamid = m_random(1000000, 99999999);
99 print(session, session.host, "Client opened stream");
100 send("<?xml version='1.0'?>");
101 send(format("<stream:stream xmlns='jabber:client' xmlns:stream='http://etherx.jabber.org/streams' id='%s' from='%s' version='1.0'>", session.streamid, session.host));
104 modulemanager.fire_event("stream-features", session, features);
106 send("<stream:features>");
108 for _, feature in ipairs(features) do
109 send_to_session(session, tostring(feature));
112 send("</stream:features>");
113 log("info", "Stream opened successfully");
114 session.notopen = nil;