-- 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 pairs, next= pairs, next;
local hosts = hosts;
-local full_sessions = full_sessions;
-local bare_sessions = bare_sessions;
+local full_sessions = prosody.full_sessions;
+local bare_sessions = prosody.bare_sessions;
local logger = require "util.logger";
local log = logger.init("sessionmanager");
local initialize_filters = require "util.filters".initialize;
local gettime = require "socket".gettime;
-local newproxy = newproxy;
-local getmetatable = getmetatable;
-
module "sessionmanager"
-local open_sessions = 0;
-
function new_session(conn)
local session = { conn = conn, type = "c2s_unauthed", conntime = gettime() };
- if true then
- session.trace = newproxy(true);
- getmetatable(session.trace).__gc = function () open_sessions = open_sessions - 1; end;
- end
- open_sessions = open_sessions + 1;
- log("debug", "open sessions now: ".. open_sessions);
-
local filter = initialize_filters(session);
local w = conn.write;
session.send = function (t)
end
end
session.ip = conn:ip();
- local conn_name = "c2s"..tostring(conn):match("[a-f0-9]+$");
+ local conn_name = "c2s"..tostring(session):match("[a-f0-9]+$");
session.log = logger.init(conn_name);
-
+
return session;
end
function retire_session(session)
local log = session.log or log;
for k in pairs(session) do
- if k ~= "trace" and k ~= "log" and k ~= "id" then
+ if k ~= "log" and k ~= "id" then
session[k] = nil;
end
end
function session.send(data) log("debug", "Discarding data sent to resting session: %s", tostring(data)); return false; end
function session.data(data) log("debug", "Discarding data received from resting session: %s", tostring(data)); end
+ session.thread = { run = function (_, data) return session.data(data) end };
return setmetatable(session, resting_session);
end
function destroy_session(session, err)
- (session.log or log)("info", "Destroying session for %s (%s@%s)%s", session.full_jid or "(unknown)", session.username or "(unknown)", session.host or "(unknown)", err and (": "..err) or "");
+ (session.log or log)("debug", "Destroying session for %s (%s@%s)%s", session.full_jid or "(unknown)", session.username or "(unknown)", session.host or "(unknown)", err and (": "..err) or "");
if session.destroyed then return; end
-
+
-- Remove session/resource from user's session list
if session.full_jid then
local host_session = hosts[session.host];
-
+
-- Allow plugins to prevent session destruction
if host_session.events.fire_event("pre-resource-unbind", {session=session, error=err}) then
return;
end
-
+
host_session.sessions[session.username].sessions[session.resource] = nil;
full_sessions[session.full_jid] = nil;
-
+
if not next(host_session.sessions[session.username].sessions) then
log("debug", "All resources of %s are now offline", session.username);
host_session.sessions[session.username] = nil;
host_session.events.fire_event("resource-unbind", {session=session, error=err});
end
-
+
retire_session(session);
end
-- returns nil, err_type, err, err_message on failure
function bind_resource(session, resource)
if not session.username then return nil, "auth", "not-authorized", "Cannot bind resource before authentication"; end
- if session.resource then return nil, "cancel", "already-bound", "Cannot bind multiple resources on a single connection"; end
+ if session.resource then return nil, "cancel", "not-allowed", "Cannot bind multiple resources on a single connection"; end
-- We don't support binding multiple resources
+ local event_payload = { session = session, resource = resource };
+ if hosts[session.host].events.fire_event("pre-resource-bind", event_payload) == false then
+ local err = event_payload.error;
+ if err then return nil, err.type, err.condition, err.text; end
+ return nil, "cancel", "not-allowed";
+ else
+ -- In case a plugin wants to poke at it
+ resource = event_payload.resource;
+ end
+
resource = resourceprep(resource);
resource = resource ~= "" and resource or uuid_generate();
--FIXME: Randomly-generated resources must be unique per-user, and never conflict with existing
-
+
if not hosts[session.host].sessions[session.username] then
local sessions = { sessions = {} };
hosts[session.host].sessions[session.username] = sessions;
local sessions = hosts[session.host].sessions[session.username].sessions;
if sessions[resource] then
-- Resource conflict
- local policy = config_get(session.host, "core", "conflict_resolve");
+ local policy = config_get(session.host, "conflict_resolve");
local increment;
if policy == "random" then
resource = uuid_generate();
end
end
end
-
+
session.resource = resource;
session.full_jid = session.username .. '@' .. session.host .. '/' .. resource;
hosts[session.host].sessions[session.username].sessions[resource] = session;
full_sessions[session.full_jid] = session;
-
+
local err;
session.roster, err = rm_load_roster(session.username, session.host);
if err then
bare_sessions[session.username..'@'..session.host] = nil;
hosts[session.host].sessions[session.username] = nil;
end
+ session.log("error", "Roster loading failed: %s", err);
return nil, "cancel", "internal-server-error", "Error loading roster";
end
-
+
hosts[session.host].events.fire_event("resource-bind", {session=session});
-
+
return true;
end
-function send_to_available_resources(user, host, stanza)
- local jid = user.."@"..host;
+function send_to_available_resources(username, host, stanza)
+ local jid = username.."@"..host;
local count = 0;
local user = bare_sessions[jid];
if user then
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