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annotate src/plugins/plugin_exp_parrot.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 0c84fb112d70
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 parrot mode (experimental)
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5 # Copyright (C) 2009, 2010, 2011, 2012, 2013 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 logging import debug, info, warning, error
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21 from twisted.words.protocols.jabber import jid
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22
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23 from sat.core.exceptions import UnknownEntityError
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24 #from sat.tools.misc import SkipOtherTriggers
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25
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26 PLUGIN_INFO = {
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27 "name": "Parrot Plugin",
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28 "import_name": "EXP-PARROT",
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29 "type": "EXP",
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30 "protocols": [],
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31 "dependencies": ["XEP-0045"],
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32 "main": "Exp_Parrot",
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33 "handler": "no",
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34 "description": _("""Implementation of parrot mode (repeat messages between 2 entities)""")
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35 }
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37
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38 class Exp_Parrot(object):
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39 """Parrot mode plugin: repeat messages from one entity or MUC room to another one"""
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40 #XXX: This plugin can be potentially dangerous if we don't trust entities linked
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41 # this is specially true if we have other triggers.
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42 # sendMessageTrigger avoid other triggers execution, it's deactivated to allow
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43 # /unparrot command in text commands plugin.
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44
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45 def __init__(self, host):
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46 info(_("Plugin Parrot initialization"))
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47 self.host = host
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48 host.trigger.add("MessageReceived", self.MessageReceivedTrigger, priority=100)
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49 #host.trigger.add("sendMessage", self.sendMessageTrigger, priority=100)
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50
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51 #def sendMessageTrigger(self, mess_data, treatments, profile):
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52 # """ Deactivate other triggers if recipient is in parrot links """
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53 # client = self.host.getClient(profile)
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54 # try:
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55 # _links = client.parrot_links
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56 # except AttributeError:
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57 # return True
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58 #
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59 # if mess_data['to'].userhostJID() in _links.values():
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60 # debug("Parrot link detected, skipping other triggers")
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61 # raise SkipOtherTriggers
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62
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63 def MessageReceivedTrigger(self, message, post_treat, profile):
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64 """ Check if source is linked and repeat message, else do nothing """
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65 client = self.host.getClient(profile)
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66 from_jid = jid.JID(message["from"])
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68 try:
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69 _links = client.parrot_links
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70 except AttributeError:
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71 return True
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73 if not from_jid.userhostJID() in _links:
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74 return True
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75
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76 for e in message.elements():
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77 if e.name == "body":
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78 mess_body = e.children[0] if e.children else ""
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79
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80 try:
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81 entity_type = self.host.memory.getEntityData(from_jid, ['type'], profile)["type"]
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82 except (UnknownEntityError, KeyError):
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83 entity_type = "contact"
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84 if entity_type == 'chatroom':
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85 src_txt = from_jid.resource
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86 if src_txt == self.host.plugins["XEP-0045"].getRoomNick(from_jid.userhost(), profile):
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87 #we won't repeat our own messages
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88 return True
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89 else:
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90 src_txt = from_jid.user
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91 msg = "[%s] %s" % (src_txt, mess_body)
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92
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93 linked = _links[from_jid.userhostJID()]
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94
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95 self.host.sendMessage(jid.JID(unicode(linked)), msg, None, "auto", no_trigger=True, profile_key=profile)
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96 else:
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97 warning("No body element found in message, following normal behaviour")
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98
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99 return True
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100
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101 def addParrot(self, source_jid, dest_jid, profile):
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102 """Add a parrot link from one entity to another one
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103 @param source_jid: entity from who messages will be repeated
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104 @param dest_jid: entity where the messages will be repeated
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105 @param profile: %(doc_profile_key)s"""
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106 client = self.host.getClient(profile)
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107 try:
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108 _links = client.parrot_links
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109 except AttributeError:
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110 _links = client.parrot_links = {}
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111
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112 _links[source_jid.userhostJID()] = dest_jid
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113 info("Parrot mode: %s will be repeated to %s" % (source_jid.userhost(), unicode(dest_jid)))
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114
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115 def removeParrot(self, source_jid, profile):
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116 """Remove parrot link
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117 @param source_jid: this entity will no more be repeated
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118 @param profile: %(doc_profile_key)s"""
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119 client = self.host.getClient(profile)
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120 try:
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121 del client.parrot_links[source_jid.userhostJID()]
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122 except (AttributeError, KeyError):
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123 pass