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annotate sat_frontends/jp/arg_tools.py @ 3104:118d91c932a7

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plugin XEP-0384: OMEMO for MUC implementation: - encryption is now allowed for group chats - when an encryption is requested for a MUC, real jids or all occupants are used to encrypt the message - a cache for plain text message sent to MUC is used, because for security reason we can't encrypt message for our own device with OMEMO (that would prevent ratchet and break the prefect forward secrecy). Thus, message sent in MUC are cached for 5 min, and the decrypted version is used when found. We don't send immediately the plain text message to frontends and history because we want to keep the same MUC behaviour as for plain text, and receiving a message means that it was received and sent back by MUC service - <origin-id> is used to identify messages sent by our device - a feedback_jid is now use to use correct entity for feedback message in case of problem: with a room we have to send feedback message to the room and not the the emitter - encryptMessage now only accepts list in the renamed "entity_bare_jids" argument
author Goffi <goffi@goffi.org>
date Mon, 30 Dec 2019 20:59:46 +0100
parents ab2696e34d29
children 9d0df638c8b4
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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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 # jp: a SàT command line tool
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5 # Copyright (C) 2009-2019 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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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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20 from sat.core.i18n import _
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21 from sat.core import exceptions
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24 def escape(arg, smart=True):
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25 """format arg with quotes
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27 @param smart(bool): if True, only escape if needed
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28 """
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29 if smart and not " " in arg and not '"' in arg:
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30 return arg
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31 return '"' + arg.replace('"', '\\"') + '"'
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34 def get_cmd_choices(cmd=None, parser=None):
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35 try:
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36 choices = parser._subparsers._group_actions[0].choices
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37 return choices[cmd] if cmd is not None else choices
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38 except (KeyError, AttributeError):
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39 raise exceptions.NotFound
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42 def get_use_args(host, args, use, verbose=False, parser=None):
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43 """format args for argparse parser with values prefilled
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45 @param host(JP): jp instance
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46 @param args(list(str)): arguments to use
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47 @param use(dict[str, str]): arguments to fill if found in parser
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48 @param verbose(bool): if True a message will be displayed when argument is used or not
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49 @param parser(argparse.ArgumentParser): parser to use
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50 @return (tuple[list[str],list[str]]): 2 args lists:
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51 - parser args, i.e. given args corresponding to parsers
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52 - use args, i.e. generated args from use
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53 """
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54 # FIXME: positional args are not handled correclty
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55 # if there is more that one, the position is not corrected
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56 if parser is None:
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57 parser = host.parser
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58
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59 # we check not optional args to see if there
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60 # is a corresonding parser
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61 # else USE args would not work correctly (only for current parser)
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62 parser_args = []
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63 for arg in args:
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64 if arg.startswith("-"):
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65 break
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66 try:
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67 parser = get_cmd_choices(arg, parser)
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68 except exceptions.NotFound:
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69 break
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70 parser_args.append(arg)
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71
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72 # post_args are remaning given args,
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73 # without the ones corresponding to parsers
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74 post_args = args[len(parser_args) :]
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75
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76 opt_args = []
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77 pos_args = []
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78 actions = {a.dest: a for a in parser._actions}
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79 for arg, value in use.items():
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80 try:
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81 if arg == "item" and not "item" in actions:
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82 # small hack when --item is appended to a --items list
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83 arg = "items"
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84 action = actions[arg]
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85 except KeyError:
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86 if verbose:
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87 host.disp(
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88 _(
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89 "ignoring {name}={value}, not corresponding to any argument (in USE)"
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90 ).format(name=arg, value=escape(value))
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91 )
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92 else:
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93 if verbose:
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94 host.disp(
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95 _("arg {name}={value} (in USE)").format(
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96 name=arg, value=escape(value)
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97 )
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98 )
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99 if not action.option_strings:
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100 pos_args.append(value)
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101 else:
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102 opt_args.append(action.option_strings[0])
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103 opt_args.append(value)
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104 return parser_args, opt_args + pos_args + post_args