# HG changeset patch
# User Matthew Wild <mwild1@gmail.com>
# Date 1289445173 0
# Node ID 55ea7ffafd7f57df97d0e7bd7c6eb02f9e7d0de8
# Parent  75016d851648bca6741c8bbc30a4532131e4a917
plugins.legacy: Support for legacy non-SASL authentication :(

diff -r 75016d851648 -r 55ea7ffafd7f plugins/legacy.lua
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/plugins/legacy.lua	Thu Nov 11 03:12:53 2010 +0000
@@ -0,0 +1,54 @@
+local uuid = require "util.uuid".generate;
+
+local xmlns_auth = "jabber:iq:auth";
+
+function verse.plugins.legacy(stream)
+	function handle_auth_form(result)
+		local query = result:get_child("query", xmlns_auth);
+		if result.attr.type ~= "result" or not query then
+			local type, cond, text = result:get_error();
+			stream:event("authentication-failure", { condition = cond });
+		end
+		local auth_data = {
+			username = stream.username;
+			password = stream.password;
+			resource = stream.resource or uuid();
+			digest = false, sequence = false, token = false;
+		};
+		local request = verse.iq({ to = stream.host, type = "set" })
+			:tag("query", { xmlns = xmlns_auth });
+		for tag in query:childtags() do
+			local field = tag.name;
+			local value = auth_data[field];
+			if value then
+				request:tag(field):text(auth_data[field]):up();
+			elseif value == nil then
+				local cond = "feature-not-implemented";
+				stream:event("authentication-failure", { condition = cond });
+				return false;
+			end
+		end
+		stream:send_iq(request, function (response)
+			if response.attr.type == "result" then
+				stream.resource = auth_data.resource;
+				stream.jid = auth_data.username.."@"..stream.host.."/"..auth_data.resource;
+				stream:event("authentication-success");
+				stream:event("bind-success", stream.jid);
+			else
+				local type, cond, text = response:get_error();
+				stream:event("authentication-failure", { condition = cond });
+			end
+		end);
+	end
+	
+	function handle_opened(attr)
+		if not attr.version then
+			stream:send_iq(verse.iq({type="get"})
+				:tag("query", { xmlns = "jabber:iq:auth" })
+					:tag("username"):text(stream.username),
+				handle_auth_form);
+				
+		end
+	end
+	stream:hook("opened", handle_opened);
+end