X-Git-Url: https://git.enpas.org/?a=blobdiff_plain;f=util%2Fjid.lua;h=b43247ccbbd0d055bbeca6ff6e5c78a8e8ab2ccf;hb=04a2051ee150255ca12514016c0b451851c5c1ca;hp=9d01e2afa4966f2b2676fda15415f06b678b268d;hpb=d0a4f8f2fb4b0927a67ebc7428d6c5cb66d2fbd4;p=prosody.git

diff --git a/util/jid.lua b/util/jid.lua
index 9d01e2af..b43247cc 100644
--- a/util/jid.lua
+++ b/util/jid.lua
@@ -1,8 +1,81 @@
+-- Prosody IM
+-- Copyright (C) 2008-2009 Matthew Wild
+-- Copyright (C) 2008-2009 Waqas Hussain
+-- 
+-- This project is MIT/X11 licensed. Please see the
+-- COPYING file in the source package for more information.
+--
+
+
 
 local match = string.match;
+local nodeprep = require "util.encodings".stringprep.nodeprep;
+local nameprep = require "util.encodings".stringprep.nameprep;
+local resourceprep = require "util.encodings".stringprep.resourceprep;
 
 module "jid"
 
-function split(jid)
-	return match(jid, "^([^@]+)@([^/]+)/?(.*)$");
+local function _split(jid)
+	if not jid then return; end
+	local node, nodepos = match(jid, "^([^@]+)@()");
+	local host, hostpos = match(jid, "^([^@/]+)()", nodepos)
+	if node and not host then return nil, nil, nil; end
+	local resource = match(jid, "^/(.+)$", hostpos);
+	if (not host) or ((not resource) and #jid >= hostpos) then return nil, nil, nil; end
+	return node, host, resource;
+end
+split = _split;
+
+function bare(jid)
+	local node, host = _split(jid);
+	if node and host then
+		return node.."@"..host;
+	end
+	return host;
+end
+
+local function _prepped_split(jid)
+	local node, host, resource = _split(jid);
+	if host then
+		host = nameprep(host);
+		if not host then return; end
+		if node then
+			node = nodeprep(node);
+			if not node then return; end
+		end
+		if resource then
+			resource = resourceprep(resource);
+			if not resource then return; end
+		end
+		return node, host, resource;
+	end
 end
+prepped_split = _prepped_split;
+
+function prep(jid)
+	local node, host, resource = _prepped_split(jid);
+	if host then
+		if node then
+			host = node .. "@" .. host;
+		end
+		if resource then
+			host = host .. "/" .. resource;
+		end
+	end
+	return host;
+end
+
+function join(node, host, resource)
+	if node and host and resource then
+		return node.."@"..host.."/"..resource;
+	elseif node and host then
+		return node.."@"..host;
+	elseif host and resource then
+		return host.."/"..resource;
+	elseif host then
+		return host;
+	end
+	return nil; -- Invalid JID
+end
+
+return _M;