95 lines
3.3 KiB
Python
95 lines
3.3 KiB
Python
#!/usr/bin/env python2
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# -*- coding: utf-8 -*-
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# SAT: a jabber client
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# Copyright (C) 2009-2016 Jérôme Poisson (goffi@goffi.org)
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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""" XMPP uri parsing tools """
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import urlparse
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import urllib
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# FIXME: basic implementation, need to follow RFC 5122
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def parseXMPPUri(uri):
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"""Parse an XMPP uri and return a dict with various information
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@param uri(unicode): uri to parse
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@return dict(unicode, unicode): data depending of the URI where key can be:
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type: one of ("pubsub", TODO)
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type is always present
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sub_type: can be:
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- microblog
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only used for pubsub for now
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path: XMPP path (jid of the service or entity)
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node: node used
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id: id of the element (item for pubsub)
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@raise ValueError: the scheme is not xmpp
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"""
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uri_split = urlparse.urlsplit(uri.encode('utf-8'))
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if uri_split.scheme != 'xmpp':
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raise ValueError(u'this is not a XMPP URI')
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# XXX: we don't use jid.JID for path as it can be used both in backend and frontend
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# which may use different JID classes
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data = {u'path': urllib.unquote(uri_split.path).decode('utf-8')}
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query_end = uri_split.query.find(';')
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query_type = uri_split.query[:query_end]
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if query_end == -1 or '=' in query_type:
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raise ValueError('no query type, invalid XMPP URI')
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pairs = urlparse.parse_qs(uri_split.geturl())
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for k, v in pairs.items():
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if len(v) != 1:
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raise NotImplementedError(u"multiple values not managed")
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if k in ('path', 'type', 'sub_type'):
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raise NotImplementedError(u"reserved key used in URI, this is not supported")
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data[k.decode('utf-8')] = urllib.unquote(v[0]).decode('utf-8')
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if query_type:
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data[u'type'] = query_type.decode('utf-8')
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elif u'node' in data:
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data[u'type'] = u'pubsub'
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else:
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data[u'type'] = ''
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if u'node' in data:
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if data[u'node'].startswith(u'urn:xmpp:microblog:'):
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data[u'sub_type'] = 'microblog'
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return data
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def addPairs(uri, pairs):
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for k,v in pairs.iteritems():
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uri.append(u';' + urllib.quote_plus(k) + u'=' + urllib.quote_plus(v))
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def buildXMPPUri(type_, **kwargs):
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uri = [u'xmpp:']
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subtype = kwargs.pop('subtype', None)
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path = kwargs.pop('path')
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uri.append(urllib.quote_plus(path).replace(u'%40', '@'))
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if type_ == u'pubsub':
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if subtype == 'microblog' and not kwargs.get('node'):
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kwargs[u'node'] = 'urn:xmpp:microblog:0'
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if kwargs:
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uri.append(u'?')
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addPairs(uri, kwargs)
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else:
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raise NotImplementedError(u'{type_} URI are not handled yet'.format(type_=type_))
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return u''.join(uri)
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