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prosody
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util/jid.lua @ 3969:32d4a73901e2
mod_presence, mod_offline: Merge message/offline/delete with message/offline/broadcast.
author | Robert Hoelz <rob@hoelz.ro> |
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date | Thu, 09 Dec 2010 12:28:05 -0600 |
parent | 3480:97831dfe7f72 |
child | 4407:f78c6f5fa090 |
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-- 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. -- 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" 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 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 return _M;