Mercurial > libervia-backend

annotate sat_frontends/tools/jid.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 be6d91572633
children 524856bd7b19
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) 2009-2021 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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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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127 def newResource(entity, resource):
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128 """Build a new JID from the given entity and resource.
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129
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130 @param entity (JID): original JID
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131 @param resource (unicode): new resource
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132 @return: a new JID instance
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133 """
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134 return JID("%s/%s" % (entity.bare, resource))