Added all the files to please hg :/

1 files changed, 150 insertions, 0 deletions

diff --git a/core/stanza_dispatch.lua b/core/stanza_dispatch.lua
new file mode 100644
index 00000000..2c835517
--- /dev/null
+++ b/core/stanza_dispatch.lua
@@ -0,0 +1,150 @@
+
+require "util.stanza"
+
+local st = stanza;
+
+local t_concat = table.concat;
+local format = string.format;
+
+function init_stanza_dispatcher(session)
+	local iq_handlers = {};
+
+	local session_log = session.log;
+	local log = function (type, msg) session_log(type, "stanza_dispatcher", msg); end
+	local send = session.send;
+	local send_to;
+	do
+		local _send_to = session.send_to;
+		send_to = function (...) _send_to(session, ...); end
+	end
+
+	iq_handlers["jabber:iq:auth"] = 
+		function (stanza)
+			local username = stanza.tags[1]:child_with_name("username");
+			local password = stanza.tags[1]:child_with_name("password");
+			local resource = stanza.tags[1]:child_with_name("resource");
+			if not (username and password and resource) then
+				local reply = st.reply(stanza);
+				send(reply:query("jabber:iq:auth")
+					:tag("username"):up()
+					:tag("password"):up()
+					:tag("resource"):up());
+				return true;			
+			else
+				username, password, resource = t_concat(username), t_concat(password), t_concat(resource);
+				print(username, password, resource)
+				local reply = st.reply(stanza);
+				require "core.usermanager"
+				if usermanager.validate_credentials(session.host, username, password) then
+					-- Authentication successful!
+					session.username = username;
+					session.resource = resource;
+					session.full_jid = username.."@"..session.host.."/"..session.resource;
+					if not hosts[session.host].sessions[username] then
+						hosts[session.host].sessions[username] = { sessions = {} };
+					end
+					hosts[session.host].sessions[username].sessions[resource] = session;
+					send(st.reply(stanza));
+					return true;
+				else
+					local reply = st.reply(stanza);
+					reply.attr.type = "error";
+					reply:tag("error", { code = "401", type = "auth" })
+						:tag("not-authorized", { xmlns = "urn:ietf:params:xml:ns:xmpp-stanzas" });
+					send(reply);
+					return true;
+				end
+			end
+			
+		end
+		
+	iq_handlers["jabber:iq:roster"] =
+		function (stanza)
+			if stanza.attr.type == "get" then
+				session.roster = session.roster or rostermanager.getroster(session.username, session.host);
+				if session.roster == false then
+					send(st.reply(stanza)
+						:tag("error", { type = "wait" })
+						:tag("internal-server-error", { xmlns = "urn:ietf:params:xml:ns:xmpp-stanzas"}));
+					return true;
+				else session.roster = session.roster or {};
+				end
+				local roster = st.reply(stanza)
+							:query("jabber:iq:roster");
+				for jid in pairs(session.roster) do
+					roster:tag("item", { jid = jid, subscription = "none" }):up();
+				end
+				send(roster);
+				return true;
+			end
+		end
+
+
+	return	function (stanza)
+			log("info", "--> "..tostring(stanza));
+			if (not stanza.attr.to) or (hosts[stanza.attr.to] and hosts[stanza.attr.to].type == "local") then
+				if stanza.name == "iq" then
+					if not stanza.tags[1] then log("warn", "<iq> without child is invalid"); return; end
+					if not stanza.attr.id then log("warn", "<iq> without id attribute is invalid"); end
+					local xmlns = (stanza.tags[1].attr and stanza.tags[1].attr.xmlns) or nil;
+					if not xmlns then log("warn", "Child of <iq> has no xmlns - invalid"); return; end
+					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
+						if iq_handlers[xmlns] then
+							if iq_handlers[xmlns](stanza) then return; end;
+						end
+						log("warn", "Unhandled namespace: "..xmlns);
+						send(format("<iq type='error' id='%s'><error type='cancel'><service-unavailable/></error></iq>", stanza.attr.id));
+						return;
+					end
+				elseif stanza.name == "presence" then
+					if session.roster then
+						local initial_presence = not session.last_presence;
+						session.last_presence = stanza;
+						
+						-- Broadcast presence and probes
+						local broadcast = st.presence({ from = session.full_jid, type = stanza.attr.type });
+						--local probe = st.presence { from = broadcast.attr.from, type = "probe" };
+
+						for child in stanza:childtags() do
+							broadcast:add_child(child);
+						end
+						for contact_jid in pairs(session.roster) do
+							broadcast.attr.to = contact_jid;
+							send_to(contact_jid, broadcast);
+							if initial_presence then
+								print("Initital presence");
+								local node, host = jid.split(contact_jid);
+								if hosts[host] and hosts[host].type == "local" then
+									local contact = hosts[host].sessions[node]
+									if contact then
+										local pres = st.presence { to = session.full_jid };
+										for resource, contact_session in pairs(contact.sessions) do
+											if contact_session.last_presence then
+												pres.tags = contact_session.last_presence.tags;
+												pres.attr.from = contact_session.full_jid;
+												send(pres);
+											end
+										end
+									end
+									--FIXME: Do we send unavailable if they are offline?
+								else
+									probe.attr.to = contact;
+									send_to(contact, probe);
+								end
+							end
+						end
+						
+						-- Probe for our contacts' presence
+					end
+				end
+			else
+			--end				
+			--if stanza.attr.to and ((not hosts[stanza.attr.to]) or hosts[stanza.attr.to].type ~= "local") then
+				-- Need to route stanza
+				stanza.attr.from = session.username.."@"..session.host;
+				session:send_to(stanza.attr.to, stanza);
+			end
+		end
+
+end
+