103 lines
3.4 KiB
Python
103 lines
3.4 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) 2009-2018 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(
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u";"
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+ urllib.quote_plus(k.encode("utf-8"))
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+ u"="
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+ urllib.quote_plus(v.encode("utf-8"))
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)
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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.encode("utf-8")).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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