Mercurial > libervia-backend

annotate src/plugins/plugin_xep_0100.py @ 751:1def5b7edf9f

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core, bridge: better GenericException handling
author Goffi <goffi@goffi.org>
date Tue, 17 Dec 2013 00:56:39 +0100
parents 84a6e83157c2
children bfabeedbf32e
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1 #!/usr/bin/python
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2 # -*- coding: utf-8 -*-
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3
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4 # SAT plugin for managing gateways (xep-0100)
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5 # Copyright (C) 2009, 2010, 2011, 2012, 2013 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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20 from logging import debug, info, error
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21 from twisted.words.protocols.jabber import client as jabber_client, jid
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22 from twisted.words.protocols.jabber import error as jab_error
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23 import twisted.internet.error
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25 PLUGIN_INFO = {
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26 "name": "Gateways Plugin",
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27 "import_name": "XEP-0100",
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28 "type": "XEP",
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29 "protocols": ["XEP-0100"],
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30 "dependencies": ["XEP-0077"],
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31 "main": "XEP_0100",
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32 "description": _("""Implementation of Gateways protocol""")
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33 }
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36 class XEP_0100(object):
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38 def __init__(self, host):
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39 info(_("Gateways plugin initialization"))
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40 self.host = host
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41 self.__gateways = {} # dict used to construct the answer to findGateways. Key = target jid
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42 host.bridge.addMethod("findGateways", ".plugin", in_sign='ss', out_sign='s', method=self.findGateways)
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43 host.bridge.addMethod("gatewayRegister", ".plugin", in_sign='ssa(ss)s', out_sign='s', method=self.gatewayRegister)
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44
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45 def __inc_handled_items(self, request_id, profile):
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46 self.__gateways[request_id]['__handled_items'] += 1
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48 if self.__gateways[request_id]['__total_items'] == self.__gateways[request_id]['__handled_items']:
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49 debug(_("All items checked for id [%s]") % str(request_id))
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51 del self.__gateways[request_id]['__total_items']
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52 del self.__gateways[request_id]['__handled_items']
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53 self.host.actionResultExt(request_id, "DICT_DICT", self.__gateways[request_id], profile)
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54
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55 def discoInfo(self, disco, entity, request_id, profile):
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56 """Find disco infos about entity, to check if it is a gateway"""
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58 for identity in disco.identities:
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59 if identity[0] == 'gateway':
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60 print (_("Found gateway (%(jid)s): %(identity)s") % {'jid': entity.full(), 'identity': disco.identities[identity]})
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61 self.__gateways[request_id][entity.full()] = {
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62 'name': disco.identities[identity],
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63 'type': identity[1]
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64 }
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66 self.__inc_handled_items(request_id, profile)
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68 def discoInfoErr(self, failure, entity, request_id, profile):
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69 """Something is going wrong with disco"""
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70 failure.trap(jab_error.StanzaError, twisted.internet.error.ConnectionLost)
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71 error(_("Error when discovering [%(jid)s]: %(error)s") % {'jid': entity.full(), 'error': failure.getErrorMessage()})
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72 self.__inc_handled_items(request_id, profile)
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74 def discoItems(self, disco, request_id, target, client):
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75 """Look for items with disco protocol, and ask infos for each one"""
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76 #FIXME: target is used as we can't find the original iq node (parent is None)
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77 # an other way would avoid this useless parameter (is there a way with wokkel ?)
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78 if len(disco._items) == 0:
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79 debug(_("No gateway found"))
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80 self.host.actionResultExt(request_id, "DICT_DICT", {})
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81 return
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82
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83 self.__gateways[request_id] = {'__total_items': len(disco._items), '__handled_items': 0, '__private__': {'target': target.full()}}
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84 for item in disco._items:
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85 #TODO: need to set a timeout for theses requests
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86 debug(_("item found: %s"), item.name)
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87 client.disco.requestInfo(item.entity).addCallback(self.discoInfo, entity=item.entity, request_id=request_id, profile=client.profile).addErrback(self.discoInfoErr, entity=item.entity, request_id=request_id, profile=client.profile)
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88
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89 def discoItemsErr(self, failure, request_id, target, client):
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90 """Something is going wrong with disco"""
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91 error(_("Error when discovering [%(target)s]: %(condition)s") % {'target': target.full(), 'condition': unicode(failure.value)})
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92 message_data = {"reason": "connection error", "message": _(u"Error while trying to discover %(target)s gateways: %(error_mess)s") % {'target': target.full(), 'error_mess': unicode(failure.value)}}
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93 self.host.bridge.actionResult("ERROR", request_id, message_data)
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94
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95 def registrationSuccessful(self, target, profile):
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96 """Called when in_band registration is ok, we must now follow the rest of procedure"""
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97 debug(_("Registration successful, doing the rest"))
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98 self.host.addContact(target, profile)
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99 self.host.setPresence(target, profile)
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100
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101 def gatewayRegister(self, action, target, fields, profile_key='@DEFAULT@'):
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102 """Register gateway using in-band registration, then log-in to gateway"""
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103 profile = self.host.memory.getProfileName(profile_key)
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104 assert(profile) # FIXME: return an error here
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105 if action == 'SUBMIT':
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106 self.host.plugins["XEP-0077"].addTrigger(target, self.registrationSuccessful, profile)
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107 return self.host.plugins["XEP-0077"].in_band_submit(action, target, fields, profile)
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108
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109 def findGateways(self, target, profile_key):
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110 """Find gateways in the target JID, using discovery protocol
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111 Return an id used for retrieving the list of gateways
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112 """
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113 profile = self.host.memory.getProfileName(profile_key)
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114 client = self.host.getClient(profile_key)
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115 assert(client)
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116 to_jid = jid.JID(target)
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117 debug(_("find gateways (target = %(target)s, profile = %(profile)s)") % {'target': to_jid.full(), 'profile': profile})
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118 request_id = self.host.get_next_id()
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119 client.disco.requestItems(to_jid).addCallback(self.discoItems, request_id=request_id, target=to_jid, client=client).addErrback(self.discoItemsErr, request_id=request_id, target=to_jid, client=client)
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53e921c8a357 new plugin: gateways plugin, and first implementation of findGateways
Goffi <goffi@goffi.org>
parents:
diff changeset
120 return request_id