1 files changed, 126 insertions, 0 deletions
diff --git a/plugins/mod_scansion_record.lua b/plugins/mod_scansion_record.lua
new file mode 100644
index 00000000..8d772b4e
--- /dev/null
+++ b/plugins/mod_scansion_record.lua
@@ -0,0 +1,126 @@
+local names = { "Romeo", "Juliet", "Mercutio", "Tybalt", "Benvolio" };
+local devices = { "", "phone", "laptop", "tablet", "toaster", "fridge", "shoe" };
+local users = {};
+
+local filters = require "util.filters";
+local id = require "util.id";
+local dt = require "util.datetime";
+local dm = require "util.datamanager";
+local st = require "util.stanza";
+
+local record_id = id.medium():lower();
+local record_date = os.date("%Y%b%d"):lower();
+local header_file = dm.getpath(record_id, "scansion", record_date, "scs", true);
+local record_file = dm.getpath(record_id, "scansion", record_date, "log", true);
+
+local head = io.open(header_file, "w");
+local scan = io.open(record_file, "w+");
+
+local function record(string)
+	scan:write(string);
+end
+
+local function record_header(string)
+	head:write(string);
+end
+
+local function record_object(class, name, props)
+	head:write(("[%s] %s\n"):format(class, name));
+	for k,v in pairs(props) do
+		head:write(("\t%s: %s\n"):format(k, v));
+	end
+	head:write("\n");
+end
+
+local function record_event(session, event)
+	record(session.scansion_id.." "..event.."\n\n");
+end
+
+local function record_stanza(stanza, session, verb)
+	local flattened = tostring(stanza):gsub("><", ">\n\t<");
+	-- TODO Proper prettyprinting with indentation
+	record(session.scansion_id.." "..verb..":\n\t"..flattened.."\n\n");
+end
+
+local function record_stanza_in(stanza, session)
+	if stanza.attr.xmlns == nil then
+		local copy = st.clone(stanza);
+		copy.attr.from = nil;
+		record_stanza(copy, session, "sends")
+	end
+	return stanza;
+end
+
+local function record_stanza_out(stanza, session)
+	if stanza.attr.xmlns == nil then
+		if not (stanza.name == "iq" and stanza:get_child("bind", "urn:ietf:params:xml:ns:xmpp-bind")) then
+			local copy = st.clone(stanza);
+			if copy.attr.to == session.full_jid then
+				copy.attr.to = nil;
+			end
+			record_stanza(copy, session, "receives");
+		end
+	end
+	return stanza;
+end
+
+module:hook("resource-bind", function (event)
+	local session = event.session;
+	if not users[session.username] then
+		users[session.username] = {
+			character = table.remove(names, 1) or id.short();
+			devices = {};
+			n_devices = 0;
+		};
+	end
+	local user = users[session.username];
+	local device = user.devices[session.resource];
+	if not device then
+		user.n_devices = user.n_devices + 1;
+		device = devices[user.n_devices] or ("device"..id.short());
+		user.devices[session.resource] = device;
+	end
+	session.scansion_character = user.character;
+	session.scansion_device = device;
+	session.scansion_id = user.character..(device ~= "" and "'s "..device or device);
+
+	record_object("Client", session.scansion_id, {
+		jid = session.full_jid,
+		password = "password",
+	});
+
+	module:log("info", "Connected: %s", session.scansion_id);
+	record_event(session, "connects");
+
+	filters.add_filter(session, "stanzas/in", record_stanza_in);
+	filters.add_filter(session, "stanzas/out", record_stanza_out);
+end);
+
+module:hook("resource-unbind", function (event)
+	local session = event.session;
+	if session.scansion_id then
+		record_event(session, "disconnects");
+	end
+end)
+
+record_header("# mod_scansion_record on host '"..module.host.."' recording started "..dt.datetime().."\n\n");
+
+record[[
+-----
+
+]]
+
+module:hook_global("server-stopping", function ()
+	record("# recording ended on "..dt.datetime().."\n");
+	module:log("info", "Scansion recording available in %s", header_file);
+end);
+
+prosody.events.add_handler("server-cleanup", function ()
+	scan:seek("set", 0);
+	for line in scan:lines() do
+		head:write(line, "\n");
+	end
+	scan:close();
+	os.remove(record_file);
+	head:close()
+end);