Mercurial > libervia-backend
view sat_frontends/tools/jid.py @ 2834:6cd3549e8d67
we are in dev version again
author | Goffi <goffi@goffi.org> |
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date | Sat, 02 Mar 2019 18:43:09 +0100 |
parents | 003b8b4b56a7 |
children | ab2696e34d29 |
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#!/usr/bin/env python2 # -*- coding: utf-8 -*- # SAT: a jabber client # Copyright (C) 2009-2019 Jérôme Poisson (goffi@goffi.org) # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU Affero General Public License as published by # the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU Affero General Public License for more details. # You should have received a copy of the GNU Affero General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. # hack to use this module with pyjamas try: unicode("") # XXX: unicode doesn't exist in pyjamas # normal version class BaseJID(unicode): def __new__(cls, jid_str): self = unicode.__new__(cls, cls._normalize(jid_str)) return self def __init__(self, jid_str): pass def _parse(self): """Find node domain and resource""" node_end = self.find("@") if node_end < 0: node_end = 0 domain_end = self.find("/") if domain_end == 0: raise ValueError("a jid can't start with '/'") if domain_end == -1: domain_end = len(self) self.node = self[:node_end] or None self.domain = self[(node_end + 1) if node_end else 0 : domain_end] self.resource = self[domain_end + 1 :] or None except ( TypeError, AttributeError, ): # Error raised is not the same depending on pyjsbuild options # pyjamas version class BaseJID(object): def __init__(self, jid_str): self.__internal_str = JID._normalize(jid_str) def __str__(self): return self.__internal_str def __getattr__(self, name): return getattr(self.__internal_str, name) def __eq__(self, other): if not isinstance(other, JID): return False return ( self.node == other.node and self.domain == other.domain and self.resource == other.resource ) def __hash__(self): return hash("JID<{}>".format(self.__internal_str)) def find(self, *args): return self.__internal_str.find(*args) def _parse(self): """Find node domain and resource""" node_end = self.__internal_str.find("@") if node_end < 0: node_end = 0 domain_end = self.__internal_str.find("/") if domain_end == 0: raise ValueError("a jid can't start with '/'") if domain_end == -1: domain_end = len(self.__internal_str) self.node = self.__internal_str[:node_end] or None self.domain = self.__internal_str[ (node_end + 1) if node_end else 0 : domain_end ] self.resource = self.__internal_str[domain_end + 1 :] or None class JID(BaseJID): """This class help manage JID (Node@Domaine/Resource)""" def __init__(self, jid_str): super(JID, self).__init__(jid_str) self._parse() @staticmethod def _normalize(jid_str): """Naive normalization before instantiating and parsing the JID""" if not jid_str: return jid_str tokens = jid_str.split("/") tokens[0] = tokens[0].lower() # force node and domain to lower-case return "/".join(tokens) @property def bare(self): if not self.node: return JID(self.domain) return JID(u"{}@{}".format(self.node, self.domain)) def is_valid(self): """ @return: True if the JID is XMPP compliant """ # TODO: implement real check, according to the RFC http://tools.ietf.org/html/rfc6122 return self.domain != "" def newResource(entity, resource): """Build a new JID from the given entity and resource. @param entity (JID): original JID @param resource (unicode): new resource @return: a new JID instance """ return JID(u"%s/%s" % (entity.bare, resource))