--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mod_admin_web/admin_web/mod_admin_web_timber.lua	Fri Apr 27 03:30:47 2012 +0200
@@ -0,0 +1,342 @@
+-- Copyright (C) 2010 Florian Zeitz
+--
+-- This file is MIT/X11 licensed. Please see the
+-- COPYING file in the source package for more information.
+--
+
+-- <session xmlns="http://prosody.im/streams/c2s" jid="alice@example.com/brussels">
+--   <encrypted/>
+--   <compressed/>
+-- </session>
+
+-- <session xmlns="http://prosody.im/streams/s2s" jid="example.com">
+--   <encrypted>
+--     <valid/> / <invalid/>
+--   </encrypted>
+--   <compressed/>
+--   <in/> / <out/>
+-- </session>
+
+local st = require "util.stanza";
+local uuid_generate = require "util.uuid".generate;
+local is_admin = require "usermanager".is_admin;
+local pubsub = require "util.pubsub";
+local jid_bare = require "util.jid".bare;
+local lfs = require "lfs";
+local open = io.open;
+local stat = lfs.attributes;
+
+module:set_global();
+
+local service = {};
+
+local http_base = module.path:gsub("/[^/]+$","") .. "/www_files/";
+
+local xmlns_adminsub = "http://prosody.im/adminsub";
+local xmlns_c2s_session = "http://prosody.im/streams/c2s";
+local xmlns_s2s_session = "http://prosody.im/streams/s2s";
+
+local mime_map = {
+	html = "text/html";
+	xml = "text/xml";
+	js = "text/javascript";
+	css = "text/css";
+};
+
+local idmap = {};
+
+function add_client(session, host)
+	local name = session.full_jid;
+	local id = idmap[name];
+	if not id then
+		id = uuid_generate();
+		idmap[name] = id;
+	end
+	local item = st.stanza("item", { id = id }):tag("session", {xmlns = xmlns_c2s_session, jid = name}):up();
+	if session.secure then
+		item:tag("encrypted"):up();
+	end
+	if session.compressed then
+		item:tag("compressed"):up();
+	end
+	service[host]:publish(xmlns_c2s_session, host, id, item);
+	module:log("debug", "Added client " .. name);
+end
+
+function del_client(session, host)
+	local name = session.full_jid;
+	local id = idmap[name];
+	if id then
+		local notifier = st.stanza("retract", { id = id });
+		service[host]:retract(xmlns_c2s_session, host, id, notifier);
+	end
+end
+
+function add_host(session, type, host)
+	local name = (type == "out" and session.to_host) or (type == "in" and session.from_host);
+	local id = idmap[name.."_"..type];
+	if not id then
+		id = uuid_generate();
+		idmap[name.."_"..type] = id;
+	end
+	local item = st.stanza("item", { id = id }):tag("session", {xmlns = xmlns_s2s_session, jid = name})
+		:tag(type):up();
+	if session.secure then
+		if session.cert_identity_status == "valid" then
+			item:tag("encrypted"):tag("valid"):up():up();
+		else
+			item:tag("encrypted"):tag("invalid"):up():up();
+		end
+	end
+	if session.compressed then
+		item:tag("compressed"):up();
+	end
+	service[host]:publish(xmlns_s2s_session, host, id, item);
+	module:log("debug", "Added host " .. name .. " s2s" .. type);
+end
+
+function del_host(session, type, host)
+	local name = (type == "out" and session.to_host) or (type == "in" and session.from_host);
+	local id = idmap[name.."_"..type];
+	if id then
+		local notifier = st.stanza("retract", { id = id });
+		service[host]:retract(xmlns_s2s_session, host, id, notifier);
+	end
+end
+
+function serve_file(event, path)
+	local full_path = http_base .. path;
+
+	if stat(full_path, "mode") == "directory" then
+		if stat(full_path.."/index.html", "mode") == "file" then
+			return serve_file(event, path.."/index.html");
+		end
+		return 403;
+	end
+
+	local f, err = open(full_path, "rb");
+	if not f then
+		return 404;
+	end
+
+	local data = f:read("*a");
+	f:close();
+	if not data then
+		return 403;
+	end
+
+	local ext = path:match("%.([^.]*)$");
+	event.response.headers.content_type = mime_map[ext]; -- Content-Type should be nil when not known
+	return data;
+end
+
+function module.add_host(module)
+	module:depends("http");
+	module:provides("http", {
+		name = "admin";
+		route = {
+			["/"] = function(event)
+				event.response.headers.location = event.request.path .. "/";
+				return 301;
+			end;
+			["/*"] = serve_file;
+		}
+	});
+end
+
+prosody.events.add_handler("server-started", function ()
+	for host_name, host_table in pairs(hosts) do
+		service[host_name] = pubsub.new({
+			broadcaster = function(node, jids, item) return simple_broadcast(node, jids, item, host_name) end;
+			normalize_jid = jid_bare;
+			get_affiliation = function(jid) return get_affiliation(jid, host_name) end;
+			capabilities = {
+				member = {
+					create = false;
+					publish = false;
+					retract = false;
+					get_nodes = true;
+
+					subscribe = true;
+					unsubscribe = true;
+					get_subscription = true;
+					get_subscriptions = true;
+					get_items = true;
+
+					subscribe_other = false;
+					unsubscribe_other = false;
+					get_subscription_other = false;
+					get_subscriptions_other = false;
+
+					be_subscribed = true;
+					be_unsubscribed = true;
+
+					set_affiliation = false;
+				};
+
+				owner = {
+					create = true;
+					publish = true;
+					retract = true;
+					get_nodes = true;
+
+					subscribe = true;
+					unsubscribe = true;
+					get_subscription = true;
+					get_subscriptions = true;
+					get_items = true;
+
+					subscribe_other = true;
+					unsubscribe_other = true;
+					get_subscription_other = true;
+					get_subscriptions_other = true;
+
+					be_subscribed = true;
+					be_unsubscribed = true;
+
+					set_affiliation = true;
+				};
+			};
+		});
+
+		if not select(2, service[host_name]:get_nodes(true))[xmlns_s2s_session] then
+			local ok, errmsg = service[host_name]:create(xmlns_s2s_session, true);
+			if not ok then
+				module:log("warn", "Could not create node " .. xmlns_s2s_session .. ": " .. tostring(errmsg));
+			else
+				service[host_name]:set_affiliation(xmlns_s2s_session, true, host_name, "owner")
+			end
+		end
+
+		for remotehost, session in pairs(host_table.s2sout) do
+			if session.type ~= "s2sout_unauthed" then
+				add_host(session, "out", host_name);
+			end
+		end
+		for session in pairs(incoming_s2s) do
+			if session.to_host == host_name then
+				add_host(session, "in", host_name);
+			end
+		end
+
+		if not select(2, service[host_name]:get_nodes(true))[xmlns_c2s_session] then
+			local ok, errmsg = service[host_name]:create(xmlns_c2s_session, true);
+			if not ok then
+				module:log("warn", "Could not create node " .. xmlns_c2s_session .. ": " .. tostring(errmsg));
+			else
+				service[host_name]:set_affiliation(xmlns_c2s_session, true, host_name, "owner")
+			end
+		end
+
+		for username, user in pairs(host_table.sessions or {}) do
+			for resource, session in pairs(user.sessions or {}) do
+				add_client(session, host_name);
+			end
+		end
+
+		host_table.events.add_handler("iq/host/http://prosody.im/adminsub:adminsub", function(event)
+			local origin, stanza = event.origin, event.stanza;
+			local adminsub = stanza.tags[1];
+			local action = adminsub.tags[1];
+			local reply;
+			if action.name == "subscribe" then
+				local ok, ret = service[host_name]:add_subscription(action.attr.node, stanza.attr.from, stanza.attr.from);
+				if ok then
+					reply = st.reply(stanza)
+						:tag("adminsub", { xmlns = xmlns_adminsub });
+				else
+					reply = st.error_reply(stanza, "cancel", ret);
+				end
+			elseif action.name == "unsubscribe" then
+				local ok, ret = service[host_name]:remove_subscription(action.attr.node, stanza.attr.from, stanza.attr.from);
+				if ok then
+					reply = st.reply(stanza)
+						:tag("adminsub", { xmlns = xmlns_adminsub });
+				else
+					reply = st.error_reply(stanza, "cancel", ret);
+				end
+			elseif action.name == "items" then
+				local node = action.attr.node;
+				local ok, ret = service[host_name]:get_items(node, stanza.attr.from);
+				if not ok then
+					return origin.send(st.error_reply(stanza, "cancel", ret));
+				end
+
+				local data = st.stanza("items", { node = node });
+				for _, entry in pairs(ret) do
+					data:add_child(entry);
+				end
+				if data then
+					reply = st.reply(stanza)
+						:tag("adminsub", { xmlns = xmlns_adminsub })
+							:add_child(data);
+				else
+					reply = st.error_reply(stanza, "cancel", "item-not-found");
+				end
+			elseif action.name == "adminfor" then
+				local data = st.stanza("adminfor");
+				for host_name in pairs(hosts) do
+					if is_admin(stanza.attr.from, host_name) then
+						data:tag("item"):text(host_name):up();
+					end
+				end
+				reply = st.reply(stanza)
+					:tag("adminsub", { xmlns = xmlns_adminsub })
+						:add_child(data);
+			else
+				reply = st.error_reply(stanza, "feature-not-implemented");
+			end
+			return origin.send(reply);
+		end);
+
+		host_table.events.add_handler("resource-bind", function(event)
+			add_client(event.session, host_name);
+		end);
+
+		host_table.events.add_handler("resource-unbind", function(event)
+			del_client(event.session, host_name);
+			service[host_name]:remove_subscription(xmlns_c2s_session, host_name, event.session.full_jid);
+			service[host_name]:remove_subscription(xmlns_s2s_session, host_name, event.session.full_jid);
+		end);
+
+		host_table.events.add_handler("s2sout-established", function(event)
+			add_host(event.session, "out", host_name);
+		end);
+
+		host_table.events.add_handler("s2sin-established", function(event)
+			add_host(event.session, "in", host_name);
+		end);
+
+		host_table.events.add_handler("s2sout-destroyed", function(event)
+			del_host(event.session, "out", host_name);
+		end);
+
+		host_table.events.add_handler("s2sin-destroyed", function(event)
+			del_host(event.session, "in", host_name);
+		end);
+
+	end
+end);
+
+function simple_broadcast(node, jids, item, host)
+	item = st.clone(item);
+	item.attr.xmlns = nil; -- Clear the pubsub namespace
+	local message = st.message({ from = host, type = "headline" })
+		:tag("event", { xmlns = xmlns_adminsub .. "#event" })
+			:tag("items", { node = node })
+				:add_child(item);
+	for jid in pairs(jids) do
+		module:log("debug", "Sending notification to %s", jid);
+		message.attr.to = jid;
+		core_post_stanza(hosts[host], message);
+	end
+end
+
+function get_affiliation(jid, host)
+	local bare_jid = jid_bare(jid);
+	if is_admin(bare_jid, host) then
+		return "member";
+	else
+		return "none";
+	end
+end