X-Git-Url: https://git.enpas.org/?a=blobdiff_plain;f=core%2Fsessionmanager.lua;h=e83b7c2334217e8ef28df6562aae9059f3f4abbc;hb=780ceb290e0b798ca392251ef13271eed044b6c9;hp=47f47ba9b5203d0bac74afcac1acd7321d7b7f45;hpb=6e71a4c6b4dad19c8ad6636f7503a1e5cb7079f4;p=prosody.git diff --git a/core/sessionmanager.lua b/core/sessionmanager.lua index 47f47ba9..e83b7c23 100644 --- a/core/sessionmanager.lua +++ b/core/sessionmanager.lua @@ -1,20 +1,153 @@ -local tostring = tostring; +local tonumber, tostring = tonumber, tostring; +local ipairs, pairs, print, next= ipairs, pairs, print, next; +local collectgarbage = collectgarbage; +local m_random = import("math", "random"); +local format = import("string", "format"); +local hosts = hosts; +local sessions = sessions; + +local modulemanager = require "core.modulemanager"; local log = require "util.logger".init("sessionmanager"); +local error = error; +local uuid_generate = require "util.uuid".generate; +local rm_load_roster = require "core.rostermanager".load_roster; + +local st = require "util.stanza"; + +local newproxy = newproxy; +local getmetatable = getmetatable; module "sessionmanager" +local open_sessions = 0; + function new_session(conn) - local session = { conn = conn, notopen = true, priority = 0, type = "c2s_unauthed" }; + local session = { conn = conn, priority = 0, type = "c2s_unauthed" }; + if true then + session.trace = newproxy(true); + getmetatable(session.trace).__gc = function () open_sessions = open_sessions - 1; print("Session got collected, now "..open_sessions.." sessions are allocated") end; + end + open_sessions = open_sessions + 1; + log("info", "open sessions now: ".. open_sessions); local w = conn.write; session.send = function (t) w(tostring(t)); end return session; end -function send_to_session(session, data) - log("debug", "Sending...", tostring(data)); - session.conn.write(tostring(data)); +function destroy_session(session, err) + (session.log or log)("info", "Destroying session"); + + -- Send unavailable presence + if session.presence then + local pres = st.presence{ type = "unavailable" }; + if (not err) or err == "closed" then err = "connection closed"; end + pres:tag("status"):text("Disconnected: "..err); + session.stanza_dispatch(pres); + end + + -- Remove session/resource from user's session list + if session.host and session.username then + if session.resource then + hosts[session.host].sessions[session.username].sessions[session.resource] = nil; + end + if hosts[session.host] and hosts[session.host].sessions[session.username] then + if not next(hosts[session.host].sessions[session.username].sessions) then + log("debug", "All resources of %s are now offline", session.username); + hosts[session.host].sessions[session.username] = nil; + end + end + end + + for k in pairs(session) do + if k ~= "trace" then + session[k] = nil; + end + end +end + +function make_authenticated(session, username) + session.username = username; + if session.type == "c2s_unauthed" then + session.type = "c2s"; + end + return true; +end + +-- returns true, nil on success +-- 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 + -- We don't support binding multiple resources + + resource = 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 + hosts[session.host].sessions[session.username] = { sessions = {} }; + else + if hosts[session.host].sessions[session.username].sessions[resource] then + -- Resource conflict + return nil, "cancel", "conflict", "Resource already exists"; -- TODO kick old resource + end + end + + session.resource = resource; + session.full_jid = session.username .. '@' .. session.host .. '/' .. resource; + hosts[session.host].sessions[session.username].sessions[resource] = session; + + session.roster = rm_load_roster(session.username, session.host); + + return true; +end + +function streamopened(session, attr) + local send = session.send; + session.host = attr.to or error("Client failed to specify destination hostname"); + session.version = tonumber(attr.version) or 0; + session.streamid = m_random(1000000, 99999999); + (session.log or session)("debug", "Client sent opening to %s", session.host); + + + send(""); + send(format("", session.streamid, session.host)); + + if not hosts[session.host] then + -- We don't serve this host... + session:close{ condition = "host-unknown", text = "This server does not serve "..tostring(session.host)}; + return; + end + + + local features = st.stanza("stream:features"); + modulemanager.fire_event("stream-features", session, features); + + send(features); + + (session.log or log)("info", "Sent reply to client"); + session.notopen = nil; +end + +function send_to_available_resources(user, host, stanza) + local count = 0; + local to = stanza.attr.to; + stanza.attr.to = nil; + local h = hosts[host]; + if h and h.type == "local" then + local u = h.sessions[user]; + if u then + for k, session in pairs(u.sessions) do + if session.presence then + session.send(stanza); + count = count + 1; + end + end + end + end + stanza.attr.to = to; + return count; end return _M; \ No newline at end of file