local nameprep = require "util.encodings".stringprep.nameprep;
local resourceprep = require "util.encodings".stringprep.resourceprep;
+local escapes = {
+ [" "] = "\\20"; ['"'] = "\\22";
+ ["&"] = "\\26"; ["'"] = "\\27";
+ ["/"] = "\\2f"; [":"] = "\\3a";
+ ["<"] = "\\3c"; [">"] = "\\3e";
+ ["@"] = "\\40"; ["\\"] = "\\5c";
+};
+local unescapes = {};
+for k,v in pairs(escapes) do unescapes[v] = k; end
+
module "jid"
local function _split(jid)
if not jid then return; end
- local node, nodepos = match(jid, "^([^@]+)@()");
+ 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);
return nil; -- Invalid JID
end
+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);
+ 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
+ return true
+ end
+ 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
+
return _M;