Mercurial > libervia-backend

annotate sat/bridge/bridge_constructor/constructors/embedded/constructor.py @ 2646:712cb4ff3e13

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core: new EncryptionHandler class which manage encrypted session as a core feature: Plugin handling encryption can now register using host.registerEncryptionPlugin, and an encryption session can now be started using messageEncryptionStart bridge method. This will make encryption handling more easy, as we now know if a session is clear or e2e encrypted, and which plugin handle it.
author Goffi <goffi@goffi.org>
date Sun, 29 Jul 2018 19:22:56 +0200
parents 56f94936df1e
children 378188abe941
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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 # SàT: a XMPP client
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5 # Copyright (C) 2009-2018 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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11
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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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16
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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 from sat.bridge.bridge_constructor import base_constructor
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21
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22 #  from textwraps import dedent
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23
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24
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25 class EmbeddedConstructor(base_constructor.Constructor):
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26 NAME = "embedded"
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27 CORE_TEMPLATE = "embedded_template.py"
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28 CORE_DEST = "embedded.py"
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29 CORE_FORMATS = {
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30 "methods": """\
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31 def {name}(self, {args}{args_comma}callback=None, errback=None):
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32 {ret_routine}
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33 """,
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34 "signals": """\
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35 def {name}(self, {args}):
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36 try:
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37 cb = self._signals_cbs["{category}"]["{name}"]
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38 except KeyError:
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39 log.warning(u"ignoring signal {name}: no callback registered")
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40 else:
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41 cb({args_result})
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42 """,
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43 }
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44 FRONTEND_TEMPLATE = "embedded_frontend_template.py"
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45 FRONTEND_DEST = CORE_DEST
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46 FRONTEND_FORMATS = {}
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47
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48 def core_completion_method(self, completion, function, default, arg_doc, async_):
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49 completion.update(
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50 {
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51 "debug": ""
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52 if not self.args.debug
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53 else 'log.debug ("%s")\n%s' % (completion["name"], 8 * " "),
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54 "args_result": self.getArguments(function["sig_in"], name=arg_doc),
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55 "args_comma": ", " if function["sig_in"] else "",
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56 }
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57 )
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58
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59 if async_:
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60 completion["cb_or_lambda"] = (
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61 "callback" if function["sig_out"] else "lambda dummy: callback()"
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62 )
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63 completion[
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64 "ret_routine"
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65 ] = """\
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66 d = self._methods_cbs["{name}"]({args_result})
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67 if callback is not None:
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68 d.addCallback({cb_or_lambda})
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69 if errback is None:
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70 d.addErrback(lambda failure_: log.error(failure_))
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71 else:
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72 d.addErrback(errback)
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73 return d
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74 """.format(
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75 **completion
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76 )
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77 else:
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78 completion["ret_or_nothing"] = "ret" if function["sig_out"] else ""
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79 completion[
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80 "ret_routine"
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81 ] = """\
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82 try:
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83 ret = self._methods_cbs["{name}"]({args_result})
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84 except Exception as e:
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85 if errback is not None:
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86 errback(e)
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87 else:
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88 raise e
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89 else:
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90 if callback is None:
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91 return ret
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92 else:
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93 callback({ret_or_nothing})""".format(
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94 **completion
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95 )
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96
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97 def core_completion_signal(self, completion, function, default, arg_doc, async_):
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98 completion.update(
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99 {"args_result": self.getArguments(function["sig_in"], name=arg_doc)}
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100 )