mirror of
https://github.com/bjc/prosody.git
synced 2025-04-03 21:27:38 +03:00
Added all the files to please hg :/
This commit is contained in:
matthew
commit
5ea14b6295
11 changed files with 1305 additions and 0 deletions
9
TODO
Normal file
9
TODO
Normal file
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@ -0,0 +1,9 @@
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- SASL login support
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- Roster manipulation support
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- On-the-fly code updates
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- S2S \o/
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Further down the line:
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- Clustering
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- Pubsub/PEP
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- Plugins!
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13
core/offlinemessage.lua
Normal file
13
core/offlinemessage.lua
Normal file
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@ -0,0 +1,13 @@
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require "util.datamanager"
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local datamanager = datamanager;
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local t_insert = table.insert;
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module "offlinemessage"
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function new(user, host, stanza)
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local offlinedata = datamanager.load(user, host, "offlinemsg") or {};
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t_insert(offlinedata, stanza);
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return datamanager.store(user, host, "offlinemsg", offlinedata);
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end
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26
core/rostermanager.lua
Normal file
26
core/rostermanager.lua
Normal file
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@ -0,0 +1,26 @@
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local mainlog = log;
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local function log(type, message)
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mainlog(type, "rostermanager", message);
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end
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local setmetatable = setmetatable;
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local format = string.format;
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local loadfile, setfenv, pcall = loadfile, setfenv, pcall;
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require "util.datamanager"
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local datamanager = datamanager;
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module "rostermanager"
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function getroster(username, host)
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return {
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["mattj@localhost"] = true,
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["tobias@getjabber.ath.cx"] = true,
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["waqas@getjabber.ath.cx"] = true,
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["thorns@getjabber.ath.cx"] = true,
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["idw@getjabber.ath.cx"] = true,
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}
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-- return datamanager.load(username, host, "roster") or {};
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end
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150
core/stanza_dispatch.lua
Normal file
150
core/stanza_dispatch.lua
Normal file
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@ -0,0 +1,150 @@
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require "util.stanza"
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local st = stanza;
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local t_concat = table.concat;
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local format = string.format;
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function init_stanza_dispatcher(session)
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local iq_handlers = {};
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local session_log = session.log;
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local log = function (type, msg) session_log(type, "stanza_dispatcher", msg); end
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local send = session.send;
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local send_to;
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do
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local _send_to = session.send_to;
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send_to = function (...) _send_to(session, ...); end
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end
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iq_handlers["jabber:iq:auth"] =
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function (stanza)
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local username = stanza.tags[1]:child_with_name("username");
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local password = stanza.tags[1]:child_with_name("password");
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local resource = stanza.tags[1]:child_with_name("resource");
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if not (username and password and resource) then
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local reply = st.reply(stanza);
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send(reply:query("jabber:iq:auth")
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:tag("username"):up()
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:tag("password"):up()
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:tag("resource"):up());
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return true;
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else
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username, password, resource = t_concat(username), t_concat(password), t_concat(resource);
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print(username, password, resource)
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local reply = st.reply(stanza);
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require "core.usermanager"
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if usermanager.validate_credentials(session.host, username, password) then
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-- Authentication successful!
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session.username = username;
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session.resource = resource;
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session.full_jid = username.."@"..session.host.."/"..session.resource;
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if not hosts[session.host].sessions[username] then
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hosts[session.host].sessions[username] = { sessions = {} };
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end
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hosts[session.host].sessions[username].sessions[resource] = session;
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send(st.reply(stanza));
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return true;
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else
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local reply = st.reply(stanza);
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reply.attr.type = "error";
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reply:tag("error", { code = "401", type = "auth" })
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:tag("not-authorized", { xmlns = "urn:ietf:params:xml:ns:xmpp-stanzas" });
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send(reply);
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return true;
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end
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end
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end
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iq_handlers["jabber:iq:roster"] =
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function (stanza)
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if stanza.attr.type == "get" then
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session.roster = session.roster or rostermanager.getroster(session.username, session.host);
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if session.roster == false then
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send(st.reply(stanza)
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:tag("error", { type = "wait" })
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:tag("internal-server-error", { xmlns = "urn:ietf:params:xml:ns:xmpp-stanzas"}));
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return true;
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else session.roster = session.roster or {};
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end
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local roster = st.reply(stanza)
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:query("jabber:iq:roster");
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for jid in pairs(session.roster) do
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roster:tag("item", { jid = jid, subscription = "none" }):up();
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end
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send(roster);
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return true;
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end
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end
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return function (stanza)
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log("info", "--> "..tostring(stanza));
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if (not stanza.attr.to) or (hosts[stanza.attr.to] and hosts[stanza.attr.to].type == "local") then
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if stanza.name == "iq" then
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if not stanza.tags[1] then log("warn", "<iq> without child is invalid"); return; end
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if not stanza.attr.id then log("warn", "<iq> without id attribute is invalid"); end
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local xmlns = (stanza.tags[1].attr and stanza.tags[1].attr.xmlns) or nil;
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if not xmlns then log("warn", "Child of <iq> has no xmlns - invalid"); return; end
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if (((not stanza.attr.to) or stanza.attr.to == session.host or stanza.attr.to:match("@[^/]+$")) and (stanza.attr.type == "get" or stanza.attr.type == "set")) then -- Stanza sent to us
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if iq_handlers[xmlns] then
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if iq_handlers[xmlns](stanza) then return; end;
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end
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log("warn", "Unhandled namespace: "..xmlns);
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send(format("<iq type='error' id='%s'><error type='cancel'><service-unavailable/></error></iq>", stanza.attr.id));
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return;
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end
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elseif stanza.name == "presence" then
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if session.roster then
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local initial_presence = not session.last_presence;
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session.last_presence = stanza;
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-- Broadcast presence and probes
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local broadcast = st.presence({ from = session.full_jid, type = stanza.attr.type });
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--local probe = st.presence { from = broadcast.attr.from, type = "probe" };
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for child in stanza:childtags() do
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broadcast:add_child(child);
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end
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for contact_jid in pairs(session.roster) do
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broadcast.attr.to = contact_jid;
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send_to(contact_jid, broadcast);
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if initial_presence then
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print("Initital presence");
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local node, host = jid.split(contact_jid);
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if hosts[host] and hosts[host].type == "local" then
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local contact = hosts[host].sessions[node]
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if contact then
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local pres = st.presence { to = session.full_jid };
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for resource, contact_session in pairs(contact.sessions) do
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if contact_session.last_presence then
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pres.tags = contact_session.last_presence.tags;
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pres.attr.from = contact_session.full_jid;
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send(pres);
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end
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end
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end
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--FIXME: Do we send unavailable if they are offline?
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else
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probe.attr.to = contact;
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send_to(contact, probe);
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end
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end
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end
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-- Probe for our contacts' presence
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end
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end
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else
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--end
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--if stanza.attr.to and ((not hosts[stanza.attr.to]) or hosts[stanza.attr.to].type ~= "local") then
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-- Need to route stanza
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stanza.attr.from = session.username.."@"..session.host;
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session:send_to(stanza.attr.to, stanza);
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end
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end
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end
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11
core/usermanager.lua
Normal file
11
core/usermanager.lua
Normal file
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@ -0,0 +1,11 @@
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require "util.datamanager"
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local datamanager = datamanager;
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module "usermanager"
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function validate_credentials(host, username, password)
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local credentials = datamanager.load(username, host, "accounts") or {};
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if password == credentials.password then return true; end
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return false;
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end
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92
core/xmlhandlers.lua
Normal file
92
core/xmlhandlers.lua
Normal file
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@ -0,0 +1,92 @@
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require "util.stanza"
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local st = stanza;
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local tostring = tostring;
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local format = string.format;
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local m_random = math.random;
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local t_insert = table.insert;
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local t_remove = table.remove;
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local t_concat = table.concat;
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local t_concatall = function (t, sep) local tt = {}; for _, s in ipairs(t) do t_insert(tt, tostring(s)); end return t_concat(tt, sep); end
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local error = error;
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module "xmlhandlers"
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function init_xmlhandlers(session)
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local ns_stack = { "" };
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local curr_ns = "";
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local curr_tag;
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local chardata = {};
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local xml_handlers = {};
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local log = session.log;
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local print = function (...) log("info", "xmlhandlers", t_concatall({...}, "\t")); end
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local send = session.send;
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local stanza
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function xml_handlers:StartElement(name, attr)
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if stanza and #chardata > 0 then
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stanza:text(t_concat(chardata));
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print("Char data:", t_concat(chardata));
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chardata = {};
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end
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curr_ns,name = name:match("^(.+):(%w+)$");
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print("Tag received:", name, tostring(curr_ns));
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if not stanza then
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if session.notopen then
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if name == "stream" then
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session.host = attr.to or error("Client failed to specify destination hostname");
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session.version = attr.version or 0;
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session.streamid = m_random(1000000, 99999999);
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print(session, session.host, "Client opened stream");
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send("<?xml version='1.0'?>");
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send(format("<stream:stream xmlns='jabber:client' xmlns:stream='http://etherx.jabber.org/streams' id='%s' from='%s' >", session.streamid, session.host));
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--send("<stream:features>");
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--send("<mechanism>PLAIN</mechanism>");
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--send [[<register xmlns="http://jabber.org/features/iq-register"/> ]]
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--send("</stream:features>");
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log("info", "core", "Stream opened successfully");
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session.notopen = nil;
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return;
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end
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error("Client failed to open stream successfully");
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end
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if name ~= "iq" and name ~= "presence" and name ~= "message" then
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error("Client sent invalid top-level stanza");
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end
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stanza = st.stanza(name, { to = attr.to, type = attr.type, id = attr.id, xmlns = curr_ns });
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curr_tag = stanza;
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else
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attr.xmlns = curr_ns;
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stanza:tag(name, attr);
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end
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end
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function xml_handlers:CharacterData(data)
|
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if stanza then
|
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t_insert(chardata, data);
|
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end
|
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end
|
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function xml_handlers:EndElement(name)
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curr_ns,name = name:match("^(.+):(%w+)$");
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--print("<"..name.."/>", tostring(stanza), tostring(#stanza.last_add < 1), tostring(stanza.last_add[#stanza.last_add].name));
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if (not stanza) or #stanza.last_add < 0 or (#stanza.last_add > 0 and name ~= stanza.last_add[#stanza.last_add].name) then error("XML parse error in client stream"); end
|
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if stanza and #chardata > 0 then
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stanza:text(t_concat(chardata));
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print("Char data:", t_concat(chardata));
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chardata = {};
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end
|
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-- Complete stanza
|
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print(name, tostring(#stanza.last_add));
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if #stanza.last_add == 0 then
|
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session.stanza_dispatch(stanza);
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stanza = nil;
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else
|
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stanza:up();
|
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end
|
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end
|
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return xml_handlers;
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end
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|
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return init_xmlhandlers;
|
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168
main.lua
Normal file
168
main.lua
Normal file
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@ -0,0 +1,168 @@
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require "luarocks.require"
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|
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server = require "server"
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require "socket"
|
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require "ssl"
|
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require "lxp"
|
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|
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function log(type, area, message)
|
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print(type, area, message);
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end
|
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|
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require "core.stanza_dispatch"
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init_xmlhandlers = require "core.xmlhandlers"
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require "core.rostermanager"
|
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require "core.offlinemessage"
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require "core.usermanager"
|
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require "util.stanza"
|
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require "util.jid"
|
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|
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-- Locals for faster access --
|
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local t_insert = table.insert;
|
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local t_concat = table.concat;
|
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local t_concatall = function (t, sep) local tt = {}; for _, s in ipairs(t) do t_insert(tt, tostring(s)); end return t_concat(tt, sep); end
|
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local m_random = math.random;
|
||||
local format = string.format;
|
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local st = stanza;
|
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------------------------------
|
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|
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sessions = {};
|
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hosts = {
|
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["localhost"] = {
|
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type = "local";
|
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connected = true;
|
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sessions = {};
|
||||
};
|
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["getjabber.ath.cx"] = {
|
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type = "local";
|
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connected = true;
|
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sessions = {};
|
||||
};
|
||||
}
|
||||
|
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local hosts, users = hosts, users;
|
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|
||||
--local ssl_ctx, msg = ssl.newcontext { mode = "server", protocol = "sslv23", key = "/home/matthew/ssl_cert/server.key",
|
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-- certificate = "/home/matthew/ssl_cert/server.crt", capath = "/etc/ssl/certs", verify = "none", }
|
||||
--
|
||||
--if not ssl_ctx then error("Failed to initialise SSL/TLS support: "..tostring(msg)); end
|
||||
|
||||
|
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local ssl_ctx = { mode = "server", protocol = "sslv23", key = "/home/matthew/ssl_cert/server.key",
|
||||
certificate = "/home/matthew/ssl_cert/server.crt", capath = "/etc/ssl/certs", verify = "none", }
|
||||
|
||||
|
||||
function connect_host(host)
|
||||
hosts[host] = { type = "remote", sendbuffer = {} };
|
||||
end
|
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|
||||
local function send_to(session, to, stanza)
|
||||
local node, host, resource = jid.split(to);
|
||||
if not hosts[host] then
|
||||
-- s2s
|
||||
elseif hosts[host].type == "local" then
|
||||
print(" ...is to a local user")
|
||||
local destuser = hosts[host].sessions[node];
|
||||
if destuser and destuser.sessions then
|
||||
if not destuser.sessions[resource] then
|
||||
local best_session;
|
||||
for resource, session in pairs(destuser.sessions) do
|
||||
if not best_session then best_session = session;
|
||||
elseif session.priority >= best_session.priority and session.priority >= 0 then
|
||||
best_session = session;
|
||||
end
|
||||
end
|
||||
if not best_session then
|
||||
offlinemessage.new(node, host, stanza);
|
||||
else
|
||||
print("resource '"..resource.."' was not online, have chosen to send to '"..best_session.username.."@"..best_session.host.."/"..best_session.resource.."'");
|
||||
resource = best_session.resource;
|
||||
end
|
||||
end
|
||||
if destuser.sessions[resource] == session then
|
||||
log("warn", "core", "Attempt to send stanza to self, dropping...");
|
||||
else
|
||||
print("...sending...", tostring(stanza));
|
||||
--destuser.sessions[resource].conn.write(tostring(data));
|
||||
print(" to conn ", destuser.sessions[resource].conn);
|
||||
destuser.sessions[resource].conn.write(tostring(stanza));
|
||||
print("...sent")
|
||||
end
|
||||
elseif stanza.name == "message" then
|
||||
print(" ...will be stored offline");
|
||||
offlinemessage.new(node, host, stanza);
|
||||
elseif stanza.name == "iq" then
|
||||
print(" ...is an iq");
|
||||
session.send(st.reply(stanza)
|
||||
:tag("error", { type = "cancel" })
|
||||
:tag("service-unavailable", { xmlns = "urn:ietf:params:xml:ns:xmpp-stanzas" }));
|
||||
end
|
||||
print(" ...done routing");
|
||||
end
|
||||
end
|
||||
|
||||
function handler(conn, data, err)
|
||||
local session = sessions[conn];
|
||||
|
||||
if not session then
|
||||
sessions[conn] = { conn = conn, notopen = true, priority = 0 };
|
||||
session = sessions[conn];
|
||||
|
||||
-- Logging functions --
|
||||
|
||||
local mainlog, log = log;
|
||||
do
|
||||
local conn_name = tostring(conn):match("%w+$");
|
||||
log = function (type, area, message) mainlog(type, conn_name, message); end
|
||||
end
|
||||
local print = function (...) log("info", "core", t_concatall({...}, "\t")); end
|
||||
session.log = log;
|
||||
|
||||
-- -- --
|
||||
|
||||
-- Send buffers --
|
||||
|
||||
local send = function (data) print("Sending...", tostring(data)); conn.write(tostring(data)); end;
|
||||
session.send, session.send_to = send, send_to;
|
||||
|
||||
print("Client connected");
|
||||
|
||||
session.stanza_dispatch = init_stanza_dispatcher(session);
|
||||
session.xml_handlers = init_xmlhandlers(session);
|
||||
session.parser = lxp.new(session.xml_handlers, ":");
|
||||
|
||||
function session.disconnect(err)
|
||||
if session.last_presence.attr.type ~= "unavailable" then
|
||||
local pres = st.presence{ type = "unavailable" };
|
||||
if err == "closed" then err = "connection closed"; end
|
||||
pres:tag("status"):text("Disconnected: "..err);
|
||||
session.stanza_dispatch(pres);
|
||||
end
|
||||
hosts[session.host].sessions[session.username] = nil;
|
||||
session = nil;
|
||||
print("Disconnected: "..err);
|
||||
end
|
||||
end
|
||||
if data then
|
||||
session.parser:parse(data);
|
||||
end
|
||||
|
||||
--log("info", "core", "Client disconnected, connection closed");
|
||||
end
|
||||
|
||||
function disconnect(conn, err)
|
||||
sessions[conn].disconnect(err);
|
||||
end
|
||||
|
||||
print("ssl_ctx:", type(ssl_ctx));
|
||||
|
||||
setmetatable(_G, { __index = function (t, k) print("WARNING: ATTEMPT TO READ A NIL GLOBAL!!!", k); error("Attempt to read a non-existent global. Naughty boy.", 2); end, __newindex = function (t, k, v) print("ATTEMPT TO SET A GLOBAL!!!!", tostring(k).." = "..tostring(v)); error("Attempt to set a global. Naughty boy.", 2); end }) --]][][[]][];
|
||||
|
||||
|
||||
local protected_handler = function (...) local success, ret = pcall(handler, ...); if not success then print("ERROR on "..tostring((select(1, ...)))..": "..ret); end end;
|
||||
local protected_disconnect = function (...) local success, ret = pcall(disconnect, ...); if not success then print("ERROR on "..tostring((select(1, ...))).." disconnect: "..ret); end end;
|
||||
|
||||
print( server.add( { listener = protected_handler, disconnect = protected_disconnect }, 5222, "*", 1, nil ) ) -- server.add will send a status message
|
||||
print( server.add( { listener = protected_handler, disconnect = protected_disconnect }, 5223, "*", 1, ssl_ctx ) ) -- server.add will send a status message
|
||||
|
||||
server.loop();
|
||||
611
server.lua
Normal file
611
server.lua
Normal file
|
|
@ -0,0 +1,611 @@
|
|||
--[[
|
||||
|
||||
server.lua by blastbeat
|
||||
|
||||
- this script contains the server loop of the program
|
||||
- other scripts can reg a server here
|
||||
|
||||
]]--
|
||||
|
||||
----------------------------------// DECLARATION //--
|
||||
|
||||
--// constants //--
|
||||
|
||||
local STAT_UNIT = 1 / ( 1024 * 1024 ) -- mb
|
||||
|
||||
--// lua functions //--
|
||||
|
||||
local function use( what ) return _G[ what ] end
|
||||
|
||||
local type = use "type"
|
||||
local pairs = use "pairs"
|
||||
local ipairs = use "ipairs"
|
||||
local tostring = use "tostring"
|
||||
local collectgarbage = use "collectgarbage"
|
||||
|
||||
--// lua libs //--
|
||||
|
||||
local table = use "table"
|
||||
local coroutine = use "coroutine"
|
||||
|
||||
--// lua lib methods //--
|
||||
|
||||
local table_concat = table.concat
|
||||
local table_remove = table.remove
|
||||
local string_sub = use'string'.sub
|
||||
local coroutine_wrap = coroutine.wrap
|
||||
local coroutine_yield = coroutine.yield
|
||||
local print = print;
|
||||
local out_put = function () end --print;
|
||||
local out_error = print;
|
||||
|
||||
--// extern libs //--
|
||||
|
||||
local luasec = require "ssl"
|
||||
local luasocket = require "socket"
|
||||
|
||||
--// extern lib methods //--
|
||||
|
||||
local ssl_wrap = ( luasec and luasec.wrap )
|
||||
local socket_bind = luasocket.bind
|
||||
local socket_select = luasocket.select
|
||||
local ssl_newcontext = ( luasec and luasec.newcontext )
|
||||
|
||||
--// functions //--
|
||||
|
||||
local loop
|
||||
local stats
|
||||
local addtimer
|
||||
local closeall
|
||||
local addserver
|
||||
local firetimer
|
||||
local closesocket
|
||||
local removesocket
|
||||
local wrapserver
|
||||
local wraptcpclient
|
||||
local wrapsslclient
|
||||
|
||||
--// tables //--
|
||||
|
||||
local listener
|
||||
local readlist
|
||||
local writelist
|
||||
local socketlist
|
||||
local timelistener
|
||||
|
||||
--// simple data types //--
|
||||
|
||||
local _
|
||||
local readlen = 0 -- length of readlist
|
||||
local writelen = 0 -- lenght of writelist
|
||||
|
||||
local sendstat= 0
|
||||
local receivestat = 0
|
||||
|
||||
----------------------------------// DEFINITION //--
|
||||
|
||||
listener = { } -- key = port, value = table
|
||||
readlist = { } -- array with sockets to read from
|
||||
writelist = { } -- arrary with sockets to write to
|
||||
socketlist = { } -- key = socket, value = wrapped socket
|
||||
timelistener = { }
|
||||
|
||||
stats = function( )
|
||||
return receivestat, sendstat
|
||||
end
|
||||
|
||||
wrapserver = function( listener, socket, ip, serverport, mode, sslctx ) -- this function wraps a server
|
||||
|
||||
local dispatch, disconnect = listener.listener, listener.disconnect -- dangerous
|
||||
|
||||
local wrapclient, err
|
||||
|
||||
if sslctx then
|
||||
if not ssl_newcontext then
|
||||
return nil, "luasec not found"
|
||||
-- elseif not cfg_get "use_ssl" then
|
||||
-- return nil, "ssl is deactivated"
|
||||
end
|
||||
if type( sslctx ) ~= "table" then
|
||||
out_error "server.lua: wrong server sslctx"
|
||||
return nil, "wrong server sslctx"
|
||||
end
|
||||
sslctx, err = ssl_newcontext( sslctx )
|
||||
if not sslctx then
|
||||
err = err or "wrong sslctx parameters"
|
||||
out_error( "server.lua: ", err )
|
||||
return nil, err
|
||||
end
|
||||
wrapclient = wrapsslclient
|
||||
else
|
||||
wrapclient = wraptcpclient
|
||||
end
|
||||
|
||||
local accept = socket.accept
|
||||
local close = socket.close
|
||||
|
||||
--// public methods of the object //--
|
||||
|
||||
local handler = { }
|
||||
|
||||
handler.shutdown = function( ) end
|
||||
|
||||
--[[handler.listener = function( data, err )
|
||||
return ondata( handler, data, err )
|
||||
end]]
|
||||
handler.ssl = function( )
|
||||
return sslctx and true or false
|
||||
end
|
||||
handler.close = function( closed )
|
||||
_ = not closed and close( socket )
|
||||
writelen = removesocket( writelist, socket, writelen )
|
||||
readlen = removesocket( readlist, socket, readlen )
|
||||
socketlist[ socket ] = nil
|
||||
handler = nil
|
||||
end
|
||||
handler.ip = function( )
|
||||
return ip
|
||||
end
|
||||
handler.serverport = function( )
|
||||
return serverport
|
||||
end
|
||||
handler.socket = function( )
|
||||
return socket
|
||||
end
|
||||
handler.receivedata = function( )
|
||||
local client, err = accept( socket ) -- try to accept
|
||||
if client then
|
||||
local ip, clientport = client:getpeername( )
|
||||
client:settimeout( 0 )
|
||||
local handler, client, err = wrapclient( listener, client, ip, serverport, clientport, mode, sslctx ) -- wrap new client socket
|
||||
if err then -- error while wrapping ssl socket
|
||||
return false
|
||||
end
|
||||
out_put( "server.lua: accepted new client connection from ", ip, ":", clientport )
|
||||
return dispatch( handler )
|
||||
elseif err then -- maybe timeout or something else
|
||||
out_put( "server.lua: error with new client connection: ", err )
|
||||
return false
|
||||
end
|
||||
end
|
||||
return handler
|
||||
end
|
||||
|
||||
wrapsslclient = function( listener, socket, ip, serverport, clientport, mode, sslctx ) -- this function wraps a ssl cleint
|
||||
|
||||
local dispatch, disconnect = listener.listener, listener.disconnect
|
||||
|
||||
--// transform socket to ssl object //--
|
||||
|
||||
local err
|
||||
socket, err = ssl_wrap( socket, sslctx ) -- wrap socket
|
||||
if err then
|
||||
out_put( "server.lua: ssl error: ", err )
|
||||
return nil, nil, err -- fatal error
|
||||
end
|
||||
socket:settimeout( 0 )
|
||||
|
||||
--// private closures of the object //--
|
||||
|
||||
local writequeue = { } -- buffer for messages to send
|
||||
|
||||
local eol -- end of buffer
|
||||
|
||||
local sstat, rstat = 0, 0
|
||||
|
||||
--// local import of socket methods //--
|
||||
|
||||
local send = socket.send
|
||||
local receive = socket.receive
|
||||
local close = socket.close
|
||||
--local shutdown = socket.shutdown
|
||||
|
||||
--// public methods of the object //--
|
||||
|
||||
local handler = { }
|
||||
|
||||
handler.getstats = function( )
|
||||
return rstat, sstat
|
||||
end
|
||||
|
||||
handler.listener = function( data, err )
|
||||
return listener( handler, data, err )
|
||||
end
|
||||
handler.ssl = function( )
|
||||
return true
|
||||
end
|
||||
handler.send = function( _, data, i, j )
|
||||
return send( socket, data, i, j )
|
||||
end
|
||||
handler.receive = function( pattern, prefix )
|
||||
return receive( socket, pattern, prefix )
|
||||
end
|
||||
handler.shutdown = function( pattern )
|
||||
--return shutdown( socket, pattern )
|
||||
end
|
||||
handler.close = function( closed )
|
||||
close( socket )
|
||||
writelen = ( eol and removesocket( writelist, socket, writelen ) ) or writelen
|
||||
readlen = removesocket( readlist, socket, readlen )
|
||||
socketlist[ socket ] = nil
|
||||
out_put "server.lua: closed handler and removed socket from list"
|
||||
end
|
||||
handler.ip = function( )
|
||||
return ip
|
||||
end
|
||||
handler.serverport = function( )
|
||||
return serverport
|
||||
end
|
||||
handler.clientport = function( )
|
||||
return clientport
|
||||
end
|
||||
|
||||
handler.write = function( data )
|
||||
if not eol then
|
||||
writelen = writelen + 1
|
||||
writelist[ writelen ] = socket
|
||||
eol = 0
|
||||
end
|
||||
eol = eol + 1
|
||||
writequeue[ eol ] = data
|
||||
end
|
||||
handler.writequeue = function( )
|
||||
return writequeue
|
||||
end
|
||||
handler.socket = function( )
|
||||
return socket
|
||||
end
|
||||
handler.mode = function( )
|
||||
return mode
|
||||
end
|
||||
handler._receivedata = function( )
|
||||
local data, err, part = receive( socket, mode ) -- receive data in "mode"
|
||||
if not err or ( err == "timeout" or err == "wantread" ) then -- received something
|
||||
local data = data or part or ""
|
||||
local count = #data * STAT_UNIT
|
||||
rstat = rstat + count
|
||||
receivestat = receivestat + count
|
||||
out_put( "server.lua: read data '", data, "', error: ", err )
|
||||
return dispatch( handler, data, err )
|
||||
else -- connections was closed or fatal error
|
||||
out_put( "server.lua: client ", ip, ":", clientport, " error: ", err )
|
||||
handler.close( )
|
||||
disconnect( handler, err )
|
||||
writequeue = nil
|
||||
handler = nil
|
||||
return false
|
||||
end
|
||||
end
|
||||
handler._dispatchdata = function( ) -- this function writes data to handlers
|
||||
local buffer = table_concat( writequeue, "", 1, eol )
|
||||
local succ, err, byte = send( socket, buffer )
|
||||
local count = ( succ or 0 ) * STAT_UNIT
|
||||
sstat = sstat + count
|
||||
sendstat = sendstat + count
|
||||
out_put( "server.lua: sended '", buffer, "', bytes: ", succ, ", error: ", err, ", part: ", byte, ", to: ", ip, ":", clientport )
|
||||
if succ then -- sending succesful
|
||||
--writequeue = { }
|
||||
eol = nil
|
||||
writelen = removesocket( writelist, socket, writelen ) -- delete socket from writelist
|
||||
return true
|
||||
elseif byte and ( err == "timeout" or err == "wantwrite" ) then -- want write
|
||||
buffer = string_sub( buffer, byte + 1, -1 ) -- new buffer
|
||||
writequeue[ 1 ] = buffer -- insert new buffer in queue
|
||||
eol = 1
|
||||
return true
|
||||
else -- connection was closed during sending or fatal error
|
||||
out_put( "server.lua: client ", ip, ":", clientport, " error: ", err )
|
||||
handler.close( )
|
||||
disconnect( handler, err )
|
||||
writequeue = nil
|
||||
handler = nil
|
||||
return false
|
||||
end
|
||||
end
|
||||
|
||||
-- // COMPAT // --
|
||||
|
||||
handler.getIp = handler.ip
|
||||
handler.getPort = handler.clientport
|
||||
|
||||
--// handshake //--
|
||||
|
||||
local wrote
|
||||
|
||||
handler.handshake = coroutine_wrap( function( client )
|
||||
local err
|
||||
for i = 1, 10 do -- 10 handshake attemps
|
||||
_, err = client:dohandshake( )
|
||||
if not err then
|
||||
out_put( "server.lua: ssl handshake done" )
|
||||
writelen = ( wrote and removesocket( writelist, socket, writelen ) ) or writelen
|
||||
handler.receivedata = handler._receivedata -- when handshake is done, replace the handshake function with regular functions
|
||||
handler.dispatchdata = handler._dispatchdata
|
||||
return dispatch( handler )
|
||||
else
|
||||
out_put( "server.lua: error during ssl handshake: ", err )
|
||||
if err == "wantwrite" then
|
||||
if wrote == nil then
|
||||
writelen = writelen + 1
|
||||
writelist[ writelen ] = client
|
||||
wrote = true
|
||||
end
|
||||
end
|
||||
coroutine_yield( handler, nil, err ) -- handshake not finished
|
||||
end
|
||||
end
|
||||
_ = err ~= "closed" and close( socket )
|
||||
handler.close( )
|
||||
disconnect( handler, err )
|
||||
writequeue = nil
|
||||
handler = nil
|
||||
return false -- handshake failed
|
||||
end
|
||||
)
|
||||
handler.receivedata = handler.handshake
|
||||
handler.dispatchdata = handler.handshake
|
||||
|
||||
handler.handshake( socket ) -- do handshake
|
||||
|
||||
socketlist[ socket ] = handler
|
||||
readlen = readlen + 1
|
||||
readlist[ readlen ] = socket
|
||||
|
||||
return handler, socket
|
||||
end
|
||||
|
||||
wraptcpclient = function( listener, socket, ip, serverport, clientport, mode ) -- this function wraps a socket
|
||||
|
||||
local dispatch, disconnect = listener.listener, listener.disconnect
|
||||
|
||||
--// private closures of the object //--
|
||||
|
||||
local writequeue = { } -- list for messages to send
|
||||
|
||||
local eol
|
||||
|
||||
local rstat, sstat = 0, 0
|
||||
|
||||
--// local import of socket methods //--
|
||||
|
||||
local send = socket.send
|
||||
local receive = socket.receive
|
||||
local close = socket.close
|
||||
local shutdown = socket.shutdown
|
||||
|
||||
--// public methods of the object //--
|
||||
|
||||
local handler = { }
|
||||
|
||||
handler.getstats = function( )
|
||||
return rstat, sstat
|
||||
end
|
||||
|
||||
handler.listener = function( data, err )
|
||||
return listener( handler, data, err )
|
||||
end
|
||||
handler.ssl = function( )
|
||||
return false
|
||||
end
|
||||
handler.send = function( _, data, i, j )
|
||||
return send( socket, data, i, j )
|
||||
end
|
||||
handler.receive = function( pattern, prefix )
|
||||
return receive( socket, pattern, prefix )
|
||||
end
|
||||
handler.shutdown = function( pattern )
|
||||
return shutdown( socket, pattern )
|
||||
end
|
||||
handler.close = function( closed )
|
||||
_ = not closed and shutdown( socket )
|
||||
_ = not closed and close( socket )
|
||||
writelen = ( eol and removesocket( writelist, socket, writelen ) ) or writelen
|
||||
readlen = removesocket( readlist, socket, readlen )
|
||||
socketlist[ socket ] = nil
|
||||
out_put "server.lua: closed handler and removed socket from list"
|
||||
end
|
||||
handler.ip = function( )
|
||||
return ip
|
||||
end
|
||||
handler.serverport = function( )
|
||||
return serverport
|
||||
end
|
||||
handler.clientport = function( )
|
||||
return clientport
|
||||
end
|
||||
handler.write = function( data )
|
||||
if not eol then
|
||||
writelen = writelen + 1
|
||||
writelist[ writelen ] = socket
|
||||
eol = 0
|
||||
end
|
||||
eol = eol + 1
|
||||
writequeue[ eol ] = data
|
||||
end
|
||||
handler.writequeue = function( )
|
||||
return writequeue
|
||||
end
|
||||
handler.socket = function( )
|
||||
return socket
|
||||
end
|
||||
handler.mode = function( )
|
||||
return mode
|
||||
end
|
||||
handler.receivedata = function( )
|
||||
local data, err, part = receive( socket, mode ) -- receive data in "mode"
|
||||
if not err or ( err == "timeout" or err == "wantread" ) then -- received something
|
||||
local data = data or part or ""
|
||||
local count = #data * STAT_UNIT
|
||||
rstat = rstat + count
|
||||
receivestat = receivestat + count
|
||||
out_put( "server.lua: read data '", data, "', error: ", err )
|
||||
return dispatch( handler, data, err )
|
||||
else -- connections was closed or fatal error
|
||||
out_put( "server.lua: client ", ip, ":", clientport, " error: ", err )
|
||||
handler.close( )
|
||||
disconnect( handler, err )
|
||||
writequeue = nil
|
||||
handler = nil
|
||||
return false
|
||||
end
|
||||
end
|
||||
handler.dispatchdata = function( ) -- this function writes data to handlers
|
||||
local buffer = table_concat( writequeue, "", 1, eol )
|
||||
local succ, err, byte = send( socket, buffer )
|
||||
local count = ( succ or 0 ) * STAT_UNIT
|
||||
sstat = sstat + count
|
||||
sendstat = sendstat + count
|
||||
out_put( "server.lua: sended '", buffer, "', bytes: ", succ, ", error: ", err, ", part: ", byte, ", to: ", ip, ":", clientport )
|
||||
if succ then -- sending succesful
|
||||
--writequeue = { }
|
||||
eol = nil
|
||||
writelen = removesocket( writelist, socket, writelen ) -- delete socket from writelist
|
||||
return true
|
||||
elseif byte and ( err == "timeout" or err == "wantwrite" ) then -- want write
|
||||
buffer = string_sub( buffer, byte + 1, -1 ) -- new buffer
|
||||
writequeue[ 1 ] = buffer -- insert new buffer in queue
|
||||
eol = 1
|
||||
return true
|
||||
else -- connection was closed during sending or fatal error
|
||||
out_put( "server.lua: client ", ip, ":", clientport, " error: ", err )
|
||||
handler.close( )
|
||||
disconnect( handler, err )
|
||||
writequeue = nil
|
||||
handler = nil
|
||||
return false
|
||||
end
|
||||
end
|
||||
|
||||
-- // COMPAT // --
|
||||
|
||||
handler.getIp = handler.ip
|
||||
handler.getPort = handler.clientport
|
||||
|
||||
socketlist[ socket ] = handler
|
||||
readlen = readlen + 1
|
||||
readlist[ readlen ] = socket
|
||||
|
||||
return handler, socket
|
||||
end
|
||||
|
||||
addtimer = function( listener )
|
||||
timelistener[ #timelistener + 1 ] = listener
|
||||
end
|
||||
|
||||
firetimer = function( listener )
|
||||
for i, listener in ipairs( timelistener ) do
|
||||
listener( )
|
||||
end
|
||||
end
|
||||
|
||||
addserver = function( listeners, port, addr, mode, sslctx ) -- this function provides a way for other scripts to reg a server
|
||||
local err
|
||||
if type( listeners ) ~= "table" then
|
||||
err = "invalid listener table"
|
||||
else
|
||||
for name, func in pairs( listeners ) do
|
||||
if type( func ) ~= "function" then
|
||||
err = "invalid listener function"
|
||||
break
|
||||
end
|
||||
end
|
||||
end
|
||||
if not type( port ) == "number" or not ( port >= 0 and port <= 65535 ) then
|
||||
err = "invalid port"
|
||||
elseif listener[ port ] then
|
||||
err= "listeners on port '" .. port .. "' already exist"
|
||||
elseif sslctx and not luasec then
|
||||
err = "luasec not found"
|
||||
end
|
||||
if err then
|
||||
out_error( "server.lua: ", err )
|
||||
return nil, err
|
||||
end
|
||||
addr = addr or "*"
|
||||
local server, err = socket_bind( addr, port )
|
||||
if err then
|
||||
out_error( "server.lua: ", err )
|
||||
return nil, err
|
||||
end
|
||||
local handler, err = wrapserver( listeners, server, addr, port, mode, sslctx ) -- wrap new server socket
|
||||
if not handler then
|
||||
server:close( )
|
||||
return nil, err
|
||||
end
|
||||
server:settimeout( 0 )
|
||||
readlen = readlen + 1
|
||||
readlist[ readlen ] = server
|
||||
listener[ port ] = listeners
|
||||
socketlist[ server ] = handler
|
||||
out_put( "server.lua: new server listener on ", addr, ":", port )
|
||||
return true
|
||||
end
|
||||
|
||||
removesocket = function( tbl, socket, len ) -- this function removes sockets from a list
|
||||
for i, target in ipairs( tbl ) do
|
||||
if target == socket then
|
||||
len = len - 1
|
||||
table_remove( tbl, i )
|
||||
return len
|
||||
end
|
||||
end
|
||||
return len
|
||||
end
|
||||
|
||||
closeall = function( )
|
||||
for _, handler in pairs( socketlist ) do
|
||||
handler.shutdown( )
|
||||
handler.close( )
|
||||
socketlist[ _ ] = nil
|
||||
end
|
||||
writelist, readlist, socketlist = { }, { }, { }
|
||||
end
|
||||
|
||||
closesocket = function( socket )
|
||||
writelen = removesocket( writelist, socket, writelen )
|
||||
readlen = removesocket( readlist, socket, readlen )
|
||||
socketlist[ socket ] = nil
|
||||
socket:close( )
|
||||
end
|
||||
|
||||
loop = function( ) -- this is the main loop of the program
|
||||
--signal_set( "hub", "run" )
|
||||
repeat
|
||||
local read, write, err = socket_select( readlist, writelist, 1 ) -- 1 sec timeout, nice for timers
|
||||
for i, socket in ipairs( write ) do -- send data waiting in writequeues
|
||||
local handler = socketlist[ socket ]
|
||||
if handler then
|
||||
handler.dispatchdata( )
|
||||
else
|
||||
closesocket( socket )
|
||||
out_put "server.lua: found no handler and closed socket (writelist)" -- this should not happen
|
||||
end
|
||||
end
|
||||
for i, socket in ipairs( read ) do -- receive data
|
||||
local handler = socketlist[ socket ]
|
||||
if handler then
|
||||
handler.receivedata( )
|
||||
else
|
||||
closesocket( socket )
|
||||
out_put "server.lua: found no handler and closed socket (readlist)" -- this can happen
|
||||
end
|
||||
end
|
||||
firetimer( )
|
||||
--collectgarbage "collect"
|
||||
until false --signal_get "hub" ~= "run"
|
||||
return --signal_get "hub"
|
||||
end
|
||||
|
||||
----------------------------------// BEGIN //--
|
||||
|
||||
----------------------------------// PUBLIC INTERFACE //--
|
||||
|
||||
return {
|
||||
|
||||
add = addserver,
|
||||
loop = loop,
|
||||
stats = stats,
|
||||
closeall = closeall,
|
||||
addtimer = addtimer,
|
||||
|
||||
}
|
||||
79
util/datamanager.lua
Normal file
79
util/datamanager.lua
Normal file
|
|
@ -0,0 +1,79 @@
|
|||
local format = string.format;
|
||||
local setmetatable, type = setmetatable, type;
|
||||
local pairs = pairs;
|
||||
local char = string.char;
|
||||
local loadfile, setfenv, pcall = loadfile, setfenv, pcall;
|
||||
local log = log;
|
||||
local io_open = io.open;
|
||||
|
||||
module "datamanager"
|
||||
|
||||
|
||||
---- utils -----
|
||||
local encode, decode;
|
||||
|
||||
local log = function (type, msg) return log(type, "datamanager", msg); end
|
||||
|
||||
do
|
||||
local urlcodes = setmetatable({}, { __index = function (t, k) t[k] = char(tonumber("0x"..k)); return t[k]; end });
|
||||
|
||||
decode = function (s)
|
||||
return s and (s:gsub("+", " "):gsub("%%([a-fA-F0-9][a-fA-F0-9])", urlcodes));
|
||||
end
|
||||
|
||||
encode = function (s)
|
||||
return s and (s:gsub("%W", function (c) return format("%%%x", c:byte()); end));
|
||||
end
|
||||
end
|
||||
|
||||
local function basicSerialize (o)
|
||||
if type(o) == "number" or type(o) == "boolean" then
|
||||
return tostring(o)
|
||||
else -- assume it is a string
|
||||
return string.format("%q", tostring(o))
|
||||
end
|
||||
end
|
||||
|
||||
|
||||
local function simplesave (f, o)
|
||||
if type(o) == "number" then
|
||||
f:write(o)
|
||||
elseif type(o) == "string" then
|
||||
f:write(format("%q", o))
|
||||
elseif type(o) == "table" then
|
||||
f:write("{\n")
|
||||
for k,v in pairs(o) do
|
||||
f:write(" [", format("%q", k), "] = ")
|
||||
simplesave(f, v)
|
||||
f:write(",\n")
|
||||
end
|
||||
f:write("}\n")
|
||||
else
|
||||
error("cannot serialize a " .. type(o))
|
||||
end
|
||||
end
|
||||
|
||||
------- API -------------
|
||||
|
||||
function getpath(username, host, datastore)
|
||||
return format("data/%s/%s/%s.dat", encode(host), datastore, encode(username));
|
||||
end
|
||||
|
||||
function load(username, host, datastore)
|
||||
local data, ret = loadfile(getpath(username, host, datastore));
|
||||
if not data then log("warn", "Failed to load "..datastore.." storage ('"..ret.."') for user: "..username.."@"..host); return nil; end
|
||||
setfenv(data, {});
|
||||
local success, ret = pcall(data);
|
||||
if not success then log("error", "Unable to load "..datastore.." storage ('"..ret.."') for user: "..username.."@"..host); return nil; end
|
||||
return ret;
|
||||
end
|
||||
|
||||
function store(username, host, datastore, data)
|
||||
local f, msg = io_open(getpath(username, host, datastore), "w+");
|
||||
if not f then log("error", "Unable to write to "..datastore.." storage ('"..msg.."') for user: "..username.."@"..host); return nil; end
|
||||
f:write("return ");
|
||||
simplesave(f, data);
|
||||
f:close();
|
||||
return true;
|
||||
end
|
||||
|
||||
8
util/jid.lua
Normal file
8
util/jid.lua
Normal file
|
|
@ -0,0 +1,8 @@
|
|||
|
||||
local match = string.match;
|
||||
|
||||
module "jid"
|
||||
|
||||
function split(jid)
|
||||
return match(jid, "^([^@]+)@([^/]+)/?(.*)$");
|
||||
end
|
||||
138
util/stanza.lua
Normal file
138
util/stanza.lua
Normal file
|
|
@ -0,0 +1,138 @@
|
|||
local t_insert = table.insert;
|
||||
local t_remove = table.remove;
|
||||
local format = string.format;
|
||||
local tostring = tostring;
|
||||
local setmetatable = setmetatable;
|
||||
local pairs = pairs;
|
||||
local ipairs = ipairs;
|
||||
local type = type;
|
||||
local s_gsub = string.gsub;
|
||||
module "stanza"
|
||||
|
||||
stanza_mt = {};
|
||||
stanza_mt.__index = stanza_mt;
|
||||
|
||||
function stanza(name, attr)
|
||||
local stanza = { name = name, attr = attr or {}, tags = {}, last_add = {}};
|
||||
return setmetatable(stanza, stanza_mt);
|
||||
end
|
||||
|
||||
function stanza_mt:iq(attrs)
|
||||
return self + stanza("iq", attrs)
|
||||
end
|
||||
function stanza_mt:message(attrs)
|
||||
return self + stanza("message", attrs)
|
||||
end
|
||||
function stanza_mt:presence(attrs)
|
||||
return self + stanza("presence", attrs)
|
||||
end
|
||||
function stanza_mt:query(xmlns)
|
||||
return self:tag("query", { xmlns = xmlns });
|
||||
end
|
||||
function stanza_mt:tag(name, attrs)
|
||||
local s = stanza(name, attrs);
|
||||
(self.last_add[#self.last_add] or self):add_child(s);
|
||||
t_insert(self.last_add, s);
|
||||
return self;
|
||||
end
|
||||
|
||||
function stanza_mt:text(text)
|
||||
(self.last_add[#self.last_add] or self):add_child(text);
|
||||
return self;
|
||||
end
|
||||
|
||||
function stanza_mt:up()
|
||||
t_remove(self.last_add);
|
||||
return self;
|
||||
end
|
||||
|
||||
function stanza_mt:add_child(child)
|
||||
if type(child) == "table" then
|
||||
t_insert(self.tags, child);
|
||||
end
|
||||
t_insert(self, child);
|
||||
end
|
||||
|
||||
function stanza_mt:child_with_name(name)
|
||||
for _, child in ipairs(self) do
|
||||
if child.name == name then return child; end
|
||||
end
|
||||
end
|
||||
|
||||
function stanza_mt:children()
|
||||
local i = 0;
|
||||
return function (a)
|
||||
i = i + 1
|
||||
local v = a[i]
|
||||
if v then return v; end
|
||||
end, self, i;
|
||||
|
||||
end
|
||||
function stanza_mt:childtags()
|
||||
local i = 0;
|
||||
return function (a)
|
||||
i = i + 1
|
||||
local v = self.tags[i]
|
||||
if v then return v; end
|
||||
end, self.tags[1], i;
|
||||
|
||||
end
|
||||
|
||||
do
|
||||
local xml_entities = { ["'"] = "'", ["\""] = """, ["<"] = "<", [">"] = ">", ["&"] = "&" };
|
||||
function xml_escape(s) return s_gsub(s, "['&<>\"]", xml_entities); end
|
||||
end
|
||||
|
||||
local xml_escape = xml_escape;
|
||||
|
||||
function stanza_mt.__tostring(t)
|
||||
local children_text = "";
|
||||
for n, child in ipairs(t) do
|
||||
if type(child) == "string" then
|
||||
children_text = children_text .. xml_escape(child);
|
||||
else
|
||||
children_text = children_text .. tostring(child);
|
||||
end
|
||||
end
|
||||
|
||||
local attr_string = "";
|
||||
if t.attr then
|
||||
for k, v in pairs(t.attr) do if type(k) == "string" then attr_string = attr_string .. format(" %s='%s'", k, tostring(v)); end end
|
||||
end
|
||||
|
||||
return format("<%s%s>%s</%s>", t.name, attr_string, children_text, t.name);
|
||||
end
|
||||
|
||||
function stanza_mt.__add(s1, s2)
|
||||
return s1:add_child(s2);
|
||||
end
|
||||
|
||||
|
||||
do
|
||||
local id = 0;
|
||||
function new_id()
|
||||
id = id + 1;
|
||||
return "lx"..id;
|
||||
end
|
||||
end
|
||||
|
||||
function message(attr, body)
|
||||
if not body then
|
||||
return stanza("message", attr);
|
||||
else
|
||||
return stanza("message", attr):tag("body"):text(body);
|
||||
end
|
||||
end
|
||||
function iq(attr)
|
||||
if attr and not attr.id then attr.id = new_id(); end
|
||||
return stanza("iq", attr or { id = new_id() });
|
||||
end
|
||||
|
||||
function reply(orig)
|
||||
return stanza(orig.name, orig.attr and { to = orig.attr.from, from = orig.attr.to, id = orig.attr.id, type = ((orig.name == "iq" and "result") or nil) });
|
||||
end
|
||||
|
||||
function presence(attr)
|
||||
return stanza("presence", attr);
|
||||
end
|
||||
|
||||
Loading…
Add table
Add a link
Reference in a new issue