Mercurial > libervia-backend
annotate src/plugins/plugin_exp_command_export.py @ 1198:16ce9a6580a3
misc (install): Lower default setuptools version
From 0d607b6ed49eab758fd9b272e148f032e65fb2e2 Mon Sep 17 00:00:00 2001
python-setuptools 5.7 is not yet in Debian, so we need to set the
default version to 5.5 (the current version in sid) to avoid the newer
version to be downloaded from pypi.
| author | Matteo Cypriani <mcy@lm7.fr> |
|---|---|
| date | Tue, 09 Sep 2014 22:09:51 -0400 |
| parents | 301b342c697a |
| children | 0befb14ecf62 |
| rev | line source |
|---|---|
| 604 | 1 #!/usr/bin/python |
| 2 # -*- coding: utf-8 -*- | |
| 3 | |
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4 # SAT plugin to export commands (experimental) |
| 811 | 5 # Copyright (C) 2009, 2010, 2011, 2012, 2013, 2014 Jérôme Poisson (goffi@goffi.org) |
| 604 | 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. |
| 604 | 11 |
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12 # This program is distributed in the hope that it will be useful, |
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84a6e83157c2
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Goffi <goffi@goffi.org>
parents:
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13 # but WITHOUT ANY WARRANTY; without even the implied warranty of |
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84a6e83157c2
fixed licences in docstrings (they are now in comments)
Goffi <goffi@goffi.org>
parents:
604
diff
changeset
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14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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84a6e83157c2
fixed licences in docstrings (they are now in comments)
Goffi <goffi@goffi.org>
parents:
604
diff
changeset
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15 # GNU Affero General Public License for more details. |
| 604 | 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/>. |
| 604 | 19 |
| 771 | 20 from sat.core.i18n import _ |
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21 from sat.core.log import getLogger |
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22 log = getLogger(__name__) |
| 604 | 23 from twisted.words.protocols.jabber import jid |
| 24 from twisted.internet import reactor, protocol | |
| 25 | |
| 26 from sat.tools.misc import SkipOtherTriggers | |
| 27 from sat.tools.utils import clean_ustr | |
| 28 | |
| 29 PLUGIN_INFO = { | |
| 30 "name": "Command export plugin", | |
| 31 "import_name": "EXP-COMMANS-EXPORT", | |
| 32 "type": "EXP", | |
| 33 "protocols": [], | |
| 34 "dependencies": [], | |
| 35 "main": "CommandExport", | |
| 36 "handler": "no", | |
| 37 "description": _("""Implementation of command export""") | |
| 38 } | |
| 39 | |
| 40 class ExportCommandProtocol(protocol.ProcessProtocol): | |
| 41 """ Try to register an account with prosody """ | |
| 42 | |
| 43 def __init__(self, parent, target, options, profile): | |
| 44 self.parent = parent | |
| 45 self.target = target | |
| 46 self.options = options | |
| 47 self.profile = profile | |
| 48 | |
| 49 def _clean(self, data): | |
| 50 if not data: | |
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51 log.error ("data should not be empty !") |
| 604 | 52 return u"" |
| 53 decoded = data.decode('utf-8', 'ignore')[:-1 if data[-1] == '\n' else None] | |
| 54 return clean_ustr(decoded) | |
| 55 | |
| 56 def connectionMade(self): | |
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57 log.info("connectionMade :)") |
| 604 | 58 |
| 59 def outReceived(self, data): | |
| 60 self.parent.host.sendMessage(self.target, self._clean(data), no_trigger=True, profile_key=self.profile) | |
| 61 | |
| 62 def errReceived(self, data): | |
| 63 self.parent.host.sendMessage(self.target, self._clean(data), no_trigger=True, profile_key=self.profile) | |
| 64 | |
| 65 def processEnded(self, reason): | |
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66 log.info (u"process finished: %d" % (reason.value.exitCode,)) |
| 604 | 67 self.parent.removeProcess(self.target, self) |
| 68 | |
| 69 def write(self, message): | |
| 70 self.transport.write(message.encode('utf-8')) | |
| 71 | |
| 72 def boolOption(self, key): | |
| 73 """ Get boolean value from options | |
| 74 @param key: name of the option | |
| 75 @return: True if key exists and set to "true" (case insensitive), | |
| 76 False in all other cases """ | |
| 77 value = self.options.get(key, "") | |
| 78 return value.lower() == "true" | |
| 79 | |
| 80 | |
| 81 class CommandExport(object): | |
| 82 """Command export plugin: export a command to an entity""" | |
| 83 #XXX: This plugin can be potentially dangerous if we don't trust entities linked | |
| 84 # this is specially true if we have other triggers. | |
| 85 | |
| 86 def __init__(self, host): | |
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parents:
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87 log.info(_("Plugin command export initialization")) |
| 604 | 88 self.host = host |
| 89 self.spawned = {} # key = entity | |
| 90 host.trigger.add("MessageReceived", self.MessageReceivedTrigger, priority=10000) | |
| 91 host.bridge.addMethod("exportCommand", ".plugin", in_sign='sasasa{ss}s', out_sign='', method=self._exportCommand) | |
| 92 | |
| 93 def removeProcess(self, entity, process): | |
| 94 """ Called when the process is finished | |
| 95 @param entity: jid.JID attached to the process | |
| 96 @param process: process to remove""" | |
| 97 try: | |
| 98 processes_set = self.spawned[(entity, process.profile)] | |
| 99 processes_set.discard(process) | |
| 100 if not processes_set: | |
| 101 del(self.spawned[(entity, process.profile)]) | |
| 102 except ValueError: | |
| 103 pass | |
| 104 | |
| 663 | 105 def MessageReceivedTrigger(self, message, post_treat, profile): |
| 604 | 106 """ Check if source is linked and repeat message, else do nothing """ |
| 107 from_jid = jid.JID(message["from"]) | |
| 108 spawned_key = (from_jid.userhostJID(), profile) | |
| 109 try: | |
| 110 body = [e for e in message.elements() if e.name == 'body'][0] | |
| 111 except IndexError: | |
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112 # do not block message without body (chat state notification...) |
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113 log.warning("No body element found in message, following normal behaviour") |
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114 return True |
| 604 | 115 |
| 116 mess_data = unicode(body) + '\n' | |
| 117 | |
| 118 if spawned_key in self.spawned: | |
| 119 processes_set = self.spawned[spawned_key] | |
| 120 _continue = False | |
| 121 exclusive = False | |
| 122 for process in processes_set: | |
| 123 process.write(mess_data) | |
| 124 _continue &= process.boolOption("continue") | |
| 125 exclusive |= process.boolOption("exclusive") | |
| 126 if exclusive: | |
| 127 raise SkipOtherTriggers | |
| 128 return _continue | |
| 129 | |
| 130 return True | |
| 131 | |
| 132 def _exportCommand(self, command, args, targets, options, profile_key): | |
| 133 """ Export a commands to authorised targets | |
| 134 @param command: full path of the command to execute | |
| 135 @param args: list of arguments, with command name as first one | |
| 136 @param targets: list of allowed entities | |
| 137 @param options: export options, a dict which can have the following keys ("true" to set booleans): | |
| 138 - exclusive: if set, skip all other triggers | |
| 139 - loop: if set, restart the command once terminated #TODO | |
| 140 - pty: if set, launch in a pseudo terminal | |
| 141 - continue: continue normal MessageReceived handling | |
| 142 """ | |
| 143 profile = self.host.memory.getProfileName(profile_key) | |
| 144 if not profile: | |
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145 log.warning("Unknown profile [%s]" % (profile,)) |
| 604 | 146 return |
| 147 | |
| 148 for target in targets: | |
| 149 try: | |
| 150 _jid = jid.JID(target) | |
| 151 if not _jid.user or not _jid.host: | |
| 152 raise jid.InvalidFormat | |
| 153 _jid = _jid.userhostJID() | |
| 154 except (jid.InvalidFormat, RuntimeError): | |
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155 log.info(u"invalid target ignored: %s" % (target,)) |
| 604 | 156 continue |
| 157 process_prot = ExportCommandProtocol(self, _jid, options, profile) | |
| 158 self.spawned.setdefault((_jid, profile),set()).add(process_prot) | |
| 159 reactor.spawnProcess(process_prot, command, args, usePTY = process_prot.boolOption('pty')) | |
| 160 |