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-rw-r--r--util/jid.lua72
1 files changed, 33 insertions, 39 deletions
diff --git a/util/jid.lua b/util/jid.lua
index 8e0a784c..696f51d8 100644
--- a/util/jid.lua
+++ b/util/jid.lua
@@ -1,7 +1,7 @@
-- Prosody IM
-- Copyright (C) 2008-2010 Matthew Wild
-- Copyright (C) 2008-2010 Waqas Hussain
---
+--
-- This project is MIT/X11 licensed. Please see the
-- COPYING file in the source package for more information.
--
@@ -23,9 +23,9 @@ local escapes = {
local unescapes = {};
for k,v in pairs(escapes) do unescapes[v] = k; end
-module "jid"
+local _ENV = nil;
-local function _split(jid)
+local function split(jid)
if not jid then return; end
local node, nodepos = match(jid, "^([^@/]+)@()");
local host, hostpos = match(jid, "^([^@/]+)()", nodepos)
@@ -34,18 +34,13 @@ local function _split(jid)
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;
+local function bare(jid)
+ return jid and match(jid, "^[^/]+");
end
-local function _prepped_split(jid)
- local node, host, resource = _split(jid);
+local function prepped_split(jid)
+ local node, host, resource = split(jid);
if host then
if sub(host, -1, -1) == "." then -- Strip empty root label
host = sub(host, 1, -2);
@@ -63,39 +58,29 @@ local function _prepped_split(jid)
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
+local function join(node, host, resource)
+ if not host then return end
+ if node and resource then
return node.."@"..host.."/"..resource;
- elseif node and host then
+ elseif node then
return node.."@"..host;
- elseif host and resource then
+ elseif resource then
return host.."/"..resource;
- elseif host then
- return host;
end
- return nil; -- Invalid JID
+ return host;
+end
+
+local function prep(jid)
+ local node, host, resource = prepped_split(jid);
+ return join(node, host, resource);
end
-function compare(jid, acl)
+local function compare(jid, acl)
-- compare jid to single acl rule
-- TODO compare to table of rules?
- local jid_node, jid_host, jid_resource = _split(jid);
- local acl_node, acl_host, acl_resource = _split(acl);
+ local jid_node, jid_host, jid_resource = split(jid);
+ local acl_node, acl_host, acl_resource = split(acl);
if ((acl_node ~= nil and acl_node == jid_node) or acl_node == nil) and
((acl_host ~= nil and acl_host == jid_host) or acl_host == nil) and
((acl_resource ~= nil and acl_resource == jid_resource) or acl_resource == nil) then
@@ -104,7 +89,16 @@ function compare(jid, acl)
return false
end
-function escape(s) return s and (s:gsub(".", escapes)); end
-function unescape(s) return s and (s:gsub("\\%x%x", unescapes)); end
+local function escape(s) return s and (s:gsub(".", escapes)); end
+local function unescape(s) return s and (s:gsub("\\%x%x", unescapes)); end
-return _M;
+return {
+ split = split;
+ bare = bare;
+ prepped_split = prepped_split;
+ join = join;
+ prep = prep;
+ compare = compare;
+ escape = escape;
+ unescape = unescape;
+};