Mercurial > libervia-backend

annotate sat_frontends/tools/jid.py @ 3250:e4d3ba75b1b2

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core (memory/disco): fixed types of disco extensions: typeCheck() is not automatically called on reception by Wokkel, as a result extensions fields values may be strings instead of the field type. TypeCheck is now explicitly called in memory.disco to avoid that. It is not called immediately on reception as the string value is needed to calculate the capability hash
author Goffi <goffi@goffi.org>
date Tue, 14 Apr 2020 20:25:05 +0200
parents 559a625a236b
children be6d91572633
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 #!/usr/bin/env python3
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2
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4 # SAT: a jabber client
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5 # Copyright (C) 2009-2020 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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21 # hack to use this module with pyjamas
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22 try:
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23 str("") # XXX: unicode doesn't exist in pyjamas
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24
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25 # normal version
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26 class BaseJID(str):
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27 def __new__(cls, jid_str):
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28 self = str.__new__(cls, cls._normalize(jid_str))
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29 return self
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30
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31 def __init__(self, jid_str):
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32 pass
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33
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34 def _parse(self):
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35 """Find node domain and resource"""
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36 node_end = self.find("@")
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37 if node_end < 0:
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38 node_end = 0
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39 domain_end = self.find("/")
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40 if domain_end == 0:
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41 raise ValueError("a jid can't start with '/'")
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42 if domain_end == -1:
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43 domain_end = len(self)
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44 self.node = self[:node_end] or None
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45 self.domain = self[(node_end + 1) if node_end else 0 : domain_end]
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46 self.resource = self[domain_end + 1 :] or None
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47
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48
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49 except (
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50 TypeError,
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51 AttributeError,
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52 ): # Error raised is not the same depending on pyjsbuild options
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53
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54 # pyjamas version
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55 class BaseJID(object):
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56 def __init__(self, jid_str):
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57 self.__internal_str = JID._normalize(jid_str)
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58
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59 def __str__(self):
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60 return self.__internal_str
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61
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62 def __getattr__(self, name):
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63 return getattr(self.__internal_str, name)
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64
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65 def __eq__(self, other):
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66 if not isinstance(other, JID):
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67 return False
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68 return (
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69 self.node == other.node
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70 and self.domain == other.domain
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71 and self.resource == other.resource
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72 )
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73
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74 def __hash__(self):
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75 return hash("JID<{}>".format(self.__internal_str))
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76
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77 def find(self, *args):
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78 return self.__internal_str.find(*args)
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79
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80 def _parse(self):
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81 """Find node domain and resource"""
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82 node_end = self.__internal_str.find("@")
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83 if node_end < 0:
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84 node_end = 0
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85 domain_end = self.__internal_str.find("/")
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86 if domain_end == 0:
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87 raise ValueError("a jid can't start with '/'")
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88 if domain_end == -1:
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89 domain_end = len(self.__internal_str)
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90 self.node = self.__internal_str[:node_end] or None
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91 self.domain = self.__internal_str[
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92 (node_end + 1) if node_end else 0 : domain_end
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93 ]
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94 self.resource = self.__internal_str[domain_end + 1 :] or None
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95
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96
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97 class JID(BaseJID):
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98 """This class help manage JID (Node@Domaine/Resource)"""
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99
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100 def __init__(self, jid_str):
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101 super(JID, self).__init__(jid_str)
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102 self._parse()
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103
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104 @staticmethod
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105 def _normalize(jid_str):
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106 """Naive normalization before instantiating and parsing the JID"""
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107 if not jid_str:
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108 return jid_str
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109 tokens = jid_str.split("/")
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110 tokens[0] = tokens[0].lower() # force node and domain to lower-case
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111 return "/".join(tokens)
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112
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113 @property
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114 def bare(self):
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115 if not self.node:
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116 return JID(self.domain)
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117 return JID("{}@{}".format(self.node, self.domain))
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118
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119 def is_valid(self):
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120 """
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121 @return: True if the JID is XMPP compliant
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122 """
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123 # TODO: implement real check, according to the RFC http://tools.ietf.org/html/rfc6122
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124 return self.domain != ""
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125
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126
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parents: 1311
diff changeset
127 def newResource(entity, resource):
3dae6964c071 quick_frontends, primitivus: move the chat states logic to quick_frontend
souliane <souliane@mailoo.org>
parents: 1311
diff changeset
128 """Build a new JID from the given entity and resource.
3dae6964c071 quick_frontends, primitivus: move the chat states logic to quick_frontend
souliane <souliane@mailoo.org>
parents: 1311
diff changeset
129
3dae6964c071 quick_frontends, primitivus: move the chat states logic to quick_frontend
souliane <souliane@mailoo.org>
parents: 1311
diff changeset
130 @param entity (JID): original JID
3dae6964c071 quick_frontends, primitivus: move the chat states logic to quick_frontend
souliane <souliane@mailoo.org>
parents: 1311
diff changeset
131 @param resource (unicode): new resource
3dae6964c071 quick_frontends, primitivus: move the chat states logic to quick_frontend
souliane <souliane@mailoo.org>
parents: 1311
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132 @return: a new JID instance
3dae6964c071 quick_frontends, primitivus: move the chat states logic to quick_frontend
souliane <souliane@mailoo.org>
parents: 1311
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133 """
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ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
134 return JID("%s/%s" % (entity.bare, resource))