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annotate sat/tools/common/uri.py @ 3732:0fac164ff2d8

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tools (xml_tools): fix `widget_args` modification in `_dataFormField2XMLUIData`: in `textbox` widget, the first arg was modified with all values, lettings other ones unchanger, resulting in invalid number of arguments. This has been fixed by replacing all args with the new value.
author Goffi <goffi@goffi.org>
date Mon, 31 Jan 2022 18:35:52 +0100
parents cc3b453670a2
children 67fc066ed2cd
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1 #!/usr/bin/env python3
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2
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3
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4 # SAT: a jabber client
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5 # Copyright (C) 2009-2021 Jérôme Poisson (goffi@goffi.org)
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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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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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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 sys
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23 import urllib.parse
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24 import urllib.request, urllib.parse, urllib.error
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26 # FIXME: basic implementation, need to follow RFC 5122
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29 def parseXMPPUri(uri):
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30 """Parse an XMPP uri and return a dict with various information
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31
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32 @param uri(unicode): uri to parse
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33 @return dict(unicode, unicode): data depending of the URI where key can be:
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34 type: one of ("pubsub", TODO)
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35 type is always present
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36 sub_type: can be:
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37 - microblog
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38 only used for pubsub for now
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39 path: XMPP path (jid of the service or entity)
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40 node: node used
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41 id: id of the element (item for pubsub)
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42 @raise ValueError: the scheme is not xmpp
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43 """
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44 uri_split = urllib.parse.urlsplit(uri)
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45 if uri_split.scheme != "xmpp":
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46 raise ValueError("this is not a XMPP URI")
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47
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48 # XXX: we don't use jid.JID for path as it can be used both in backend and frontend
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49 # which may use different JID classes
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50 data = {"path": urllib.parse.unquote(uri_split.path)}
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51
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52 query_end = uri_split.query.find(";")
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53 query_type = uri_split.query[:query_end]
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54 if query_end == -1 or "=" in query_type:
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55 raise ValueError("no query type, invalid XMPP URI")
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57 if sys.version_info >= (3, 9):
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58 # parse_qs behaviour has been modified in Python 3.9, ";" is not understood as a
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59 # parameter separator anymore but the "separator" argument has been added to
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60 # change it.
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61 pairs = urllib.parse.parse_qs(uri_split.geturl(), separator=";")
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62 else:
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63 pairs = urllib.parse.parse_qs(uri_split.geturl())
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64 for k, v in list(pairs.items()):
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65 if len(v) != 1:
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66 raise NotImplementedError("multiple values not managed")
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67 if k in ("path", "type", "sub_type"):
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68 raise NotImplementedError("reserved key used in URI, this is not supported")
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69 data[k] = urllib.parse.unquote(v[0])
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71 if query_type:
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72 data["type"] = query_type
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73 elif "node" in data:
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74 data["type"] = "pubsub"
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75 else:
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76 data["type"] = ""
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77
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78 if "node" in data:
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79 if data["node"].startswith("urn:xmpp:microblog:"):
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80 data["sub_type"] = "microblog"
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81
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82 return data
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84
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85 def addPairs(uri, pairs):
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86 for k, v in pairs.items():
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87 uri.append(
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88 ";"
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89 + urllib.parse.quote_plus(k.encode("utf-8"))
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90 + "="
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91 + urllib.parse.quote_plus(v.encode("utf-8"))
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92 )
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93
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94
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95 def buildXMPPUri(type_, **kwargs):
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96 uri = ["xmpp:"]
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97 subtype = kwargs.pop("subtype", None)
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98 path = kwargs.pop("path")
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99 uri.append(urllib.parse.quote_plus(path.encode("utf-8")).replace("%40", "@"))
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100
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101 if type_ == "pubsub":
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102 if subtype == "microblog" and not kwargs.get("node"):
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103 kwargs["node"] = "urn:xmpp:microblog:0"
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104 if kwargs:
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105 uri.append("?")
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106 addPairs(uri, kwargs)
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107 else:
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108 raise NotImplementedError("{type_} URI are not handled yet".format(type_=type_))
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109
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110 return "".join(uri)