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annotate src/tools/common/uri.py @ 2216:7e06eafef409

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tools(common/uri): XMPP uri parsing module, first draft
author Goffi <goffi@goffi.org>
date Wed, 29 Mar 2017 21:04:43 +0200
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children bdc64c487e21
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2216
7e06eafef409 tools(common/uri): XMPP uri parsing module, first draft
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1 #!/usr/bin/env python2
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2 # -*- coding: utf-8 -*-
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3
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4 # SAT: a jabber client
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5 # Copyright (C) 2009-2016 Jérôme Poisson (goffi@goffi.org)
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6
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7 # This program is free software: you can redistribute it and/or modify
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8 # it under the terms of the GNU Affero General Public License as published by
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9 # the Free Software Foundation, either version 3 of the License, or
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10 # (at your option) any later version.
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11
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12 # This program is distributed in the hope that it will be useful,
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13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 # GNU Affero General Public License for more details.
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16
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17 # You should have received a copy of the GNU Affero General Public License
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18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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19
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20 """ XMPP uri parsing tools """
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21
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22 import urlparse
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23 import urllib
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24
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25 # FIXME: basic implementation, need to follow RFC 5122
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26
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27 def parseXMPPUri(uri):
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28 """Parse an XMPP uri and return a dict with various information
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29
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30 @param uri(unicode): uri to parse
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31 @return dict(unicode, unicode): data depending of the URI where key can be:
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32 type: one of ("pubsub", TODO)
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33 sub_type: can be:
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34 - microblog
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35 only used for pubsub for now
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36 path: XMPP path (jid of the service or entity)
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37 node: node used
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38 id: id of the element (item for pubsub)
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39 @raise ValueError: the scheme is not xmpp
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40 """
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41 uri_split = urlparse.urlsplit(uri.encode('utf-8'))
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42 if uri_split.scheme != 'xmpp':
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43 raise ValueError(u'this is not a XMPP URI')
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44
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45 data = {u'path': urllib.unquote(uri_split.path).decode('utf-8')}
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46
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47 query_end = uri_split.query.find(';')
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48 query_type = uri_split.query[:query_end]
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49 if query_end == -1 or '=' in query_type:
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50 raise ValueError('no query type, invalid XMPP URI')
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51
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52 pairs = urlparse.parse_qs(uri_split.geturl())
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53 for k, v in pairs.items():
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54 if len(v) != 1:
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55 raise NotImplementedError(u"multiple values not managed")
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56 if k in ('path', 'type', 'sub_type'):
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57 raise NotImplementedError(u"reserved key used in URI, this is not supported")
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58 data[k.decode('utf-8')] = urllib.unquote(v[0]).decode('utf-8')
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59
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60 if query_type:
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61 data[u'type'] = query_type.decode('utf-8')
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62 elif u'node' in data:
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63 data[u'type'] = u'pubsub'
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64 else:
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65 data[u'type'] = ''
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66
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67 if u'node' in data:
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68 if data[u'node'].startswith(u'urn:xmpp:microblog:'):
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69 data[u'sub_type'] = 'microblog'
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70
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71 return data