-- 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;
-module "sessionmanager"
+local _ENV = nil;
-function new_session(conn)
+local function new_session(conn)
local session = { conn = conn, type = "c2s_unauthed", conntime = gettime() };
local filter = initialize_filters(session);
local w = conn.write;
if t then
t = filter("bytes/out", tostring(t));
if t then
- return w(conn, t);
+ local ret, err = w(conn, t);
+ if not ret then
+ session.log("debug", "Error writing to connection: %s", tostring(err));
+ return false, err;
+ end
end
end
+ return true;
end
session.ip = conn:ip();
local conn_name = "c2s"..tostring(session):match("[a-f0-9]+$");
session.log = logger.init(conn_name);
-
+
return session;
end
close = function (session)
session.log("debug", "Attempt to close already-closed session");
end;
- filter = function (type, data) return data; end;
+ filter = function (type, data) return data; end; --luacheck: ignore 212/type
}; resting_session.__index = resting_session;
-function retire_session(session)
- local log = session.log or log;
+local function retire_session(session)
+ local log = session.log or log; --luacheck: ignore 431/log
for k in pairs(session) do
if k ~= "log" and k ~= "id" then
session[k] = nil;
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)
+local function destroy_session(session, err)
(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
-function make_authenticated(session, username)
+local function make_authenticated(session, username)
username = nodeprep(username);
if not username or #username == 0 then return nil, "Invalid username"; end
session.username = username;
-- returns true, nil on success
-- returns nil, err_type, err, err_message on failure
-function bind_resource(session, resource)
+local 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", "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;
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
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;
+local function send_to_available_resources(username, host, stanza)
+ local jid = username.."@"..host;
local count = 0;
local user = bare_sessions[jid];
if user then
- for k, session in pairs(user.sessions) do
+ for _, session in pairs(user.sessions) do
if session.presence then
session.send(stanza);
count = count + 1;
return count;
end
-function send_to_interested_resources(user, host, stanza)
- local jid = user.."@"..host;
+local function send_to_interested_resources(username, host, stanza)
+ local jid = username.."@"..host;
local count = 0;
local user = bare_sessions[jid];
if user then
- for k, session in pairs(user.sessions) do
+ for _, session in pairs(user.sessions) do
if session.interested then
session.send(stanza);
count = count + 1;
return count;
end
-return _M;
+return {
+ new_session = new_session;
+ retire_session = retire_session;
+ destroy_session = destroy_session;
+ make_authenticated = make_authenticated;
+ bind_resource = bind_resource;
+ send_to_available_resources = send_to_available_resources;
+ send_to_interested_resources = send_to_interested_resources;
+};
projects / prosody.git / blobdiff