Mercurial > libervia-backend
annotate src/plugins/plugin_exp_command_export.py @ 945:899dc9cd0f35
plugin XEP-0092: feature check before requesting version
| author | Goffi <goffi@goffi.org> |
|---|---|
| date | Fri, 28 Mar 2014 18:19:29 +0100 |
| parents | 1fe00f0c9a91 |
| children | 301b342c697a |
| rev | line source |
|---|---|
| 604 | 1 #!/usr/bin/python |
| 2 # -*- coding: utf-8 -*- | |
| 3 | |
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fixed licences in docstrings (they are now in comments)
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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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fixed licences in docstrings (they are now in comments)
Goffi <goffi@goffi.org>
parents:
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7 # This program is free software: you can redistribute it and/or modify |
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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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8 # it under the terms of the GNU Affero General Public License as published by |
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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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9 # the Free Software Foundation, either version 3 of the License, or |
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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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10 # (at your option) any later version. |
| 604 | 11 |
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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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12 # This program is distributed in the hope that it will be useful, |
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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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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
|
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
|
15 # GNU Affero General Public License for more details. |
| 604 | 16 |
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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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17 # You should have received a copy of the GNU Affero General Public License |
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84a6e83157c2
fixed licences in docstrings (they are now in comments)
Goffi <goffi@goffi.org>
parents:
604
diff
changeset
|
18 # along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 604 | 19 |
| 771 | 20 from sat.core.i18n import _ |
| 604 | 21 from logging import debug, info, warning, error |
| 22 from twisted.words.protocols.jabber import jid | |
| 23 from twisted.internet import reactor, protocol | |
| 24 | |
| 25 from sat.tools.misc import SkipOtherTriggers | |
| 26 from sat.tools.utils import clean_ustr | |
| 27 | |
| 28 PLUGIN_INFO = { | |
| 29 "name": "Command export plugin", | |
| 30 "import_name": "EXP-COMMANS-EXPORT", | |
| 31 "type": "EXP", | |
| 32 "protocols": [], | |
| 33 "dependencies": [], | |
| 34 "main": "CommandExport", | |
| 35 "handler": "no", | |
| 36 "description": _("""Implementation of command export""") | |
| 37 } | |
| 38 | |
| 39 class ExportCommandProtocol(protocol.ProcessProtocol): | |
| 40 """ Try to register an account with prosody """ | |
| 41 | |
| 42 def __init__(self, parent, target, options, profile): | |
| 43 self.parent = parent | |
| 44 self.target = target | |
| 45 self.options = options | |
| 46 self.profile = profile | |
| 47 | |
| 48 def _clean(self, data): | |
| 49 if not data: | |
| 50 error ("data should not be empty !") | |
| 51 return u"" | |
| 52 decoded = data.decode('utf-8', 'ignore')[:-1 if data[-1] == '\n' else None] | |
| 53 return clean_ustr(decoded) | |
| 54 | |
| 55 def connectionMade(self): | |
| 56 info("connectionMade :)") | |
| 57 | |
| 58 def outReceived(self, data): | |
| 59 self.parent.host.sendMessage(self.target, self._clean(data), no_trigger=True, profile_key=self.profile) | |
| 60 | |
| 61 def errReceived(self, data): | |
| 62 self.parent.host.sendMessage(self.target, self._clean(data), no_trigger=True, profile_key=self.profile) | |
| 63 | |
| 64 def processEnded(self, reason): | |
| 65 info (u"process finished: %d" % (reason.value.exitCode,)) | |
| 66 self.parent.removeProcess(self.target, self) | |
| 67 | |
| 68 def write(self, message): | |
| 69 self.transport.write(message.encode('utf-8')) | |
| 70 | |
| 71 def boolOption(self, key): | |
| 72 """ Get boolean value from options | |
| 73 @param key: name of the option | |
| 74 @return: True if key exists and set to "true" (case insensitive), | |
| 75 False in all other cases """ | |
| 76 value = self.options.get(key, "") | |
| 77 return value.lower() == "true" | |
| 78 | |
| 79 | |
| 80 class CommandExport(object): | |
| 81 """Command export plugin: export a command to an entity""" | |
| 82 #XXX: This plugin can be potentially dangerous if we don't trust entities linked | |
| 83 # this is specially true if we have other triggers. | |
| 84 | |
| 85 def __init__(self, host): | |
| 86 info(_("Plugin command export initialization")) | |
| 87 self.host = host | |
| 88 self.spawned = {} # key = entity | |
| 89 host.trigger.add("MessageReceived", self.MessageReceivedTrigger, priority=10000) | |
| 90 host.bridge.addMethod("exportCommand", ".plugin", in_sign='sasasa{ss}s', out_sign='', method=self._exportCommand) | |
| 91 | |
| 92 def removeProcess(self, entity, process): | |
| 93 """ Called when the process is finished | |
| 94 @param entity: jid.JID attached to the process | |
| 95 @param process: process to remove""" | |
| 96 try: | |
| 97 processes_set = self.spawned[(entity, process.profile)] | |
| 98 processes_set.discard(process) | |
| 99 if not processes_set: | |
| 100 del(self.spawned[(entity, process.profile)]) | |
| 101 except ValueError: | |
| 102 pass | |
| 103 | |
| 663 | 104 def MessageReceivedTrigger(self, message, post_treat, profile): |
| 604 | 105 """ Check if source is linked and repeat message, else do nothing """ |
| 106 from_jid = jid.JID(message["from"]) | |
| 107 spawned_key = (from_jid.userhostJID(), profile) | |
| 108 try: | |
| 109 body = [e for e in message.elements() if e.name == 'body'][0] | |
| 110 except IndexError: | |
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7ea6d5a86e58
plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
609
diff
changeset
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111 # do not block message without body (chat state notification...) |
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7ea6d5a86e58
plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
609
diff
changeset
|
112 warning("No body element found in message, following normal behaviour") |
|
7ea6d5a86e58
plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
609
diff
changeset
|
113 return True |
| 604 | 114 |
| 115 mess_data = unicode(body) + '\n' | |
| 116 | |
| 117 if spawned_key in self.spawned: | |
| 118 processes_set = self.spawned[spawned_key] | |
| 119 _continue = False | |
| 120 exclusive = False | |
| 121 for process in processes_set: | |
| 122 process.write(mess_data) | |
| 123 _continue &= process.boolOption("continue") | |
| 124 exclusive |= process.boolOption("exclusive") | |
| 125 if exclusive: | |
| 126 raise SkipOtherTriggers | |
| 127 return _continue | |
| 128 | |
| 129 return True | |
| 130 | |
| 131 def _exportCommand(self, command, args, targets, options, profile_key): | |
| 132 """ Export a commands to authorised targets | |
| 133 @param command: full path of the command to execute | |
| 134 @param args: list of arguments, with command name as first one | |
| 135 @param targets: list of allowed entities | |
| 136 @param options: export options, a dict which can have the following keys ("true" to set booleans): | |
| 137 - exclusive: if set, skip all other triggers | |
| 138 - loop: if set, restart the command once terminated #TODO | |
| 139 - pty: if set, launch in a pseudo terminal | |
| 140 - continue: continue normal MessageReceived handling | |
| 141 """ | |
| 142 profile = self.host.memory.getProfileName(profile_key) | |
| 143 if not profile: | |
| 144 warning("Unknown profile [%s]" % (profile,)) | |
| 145 return | |
| 146 | |
| 147 for target in targets: | |
| 148 try: | |
| 149 _jid = jid.JID(target) | |
| 150 if not _jid.user or not _jid.host: | |
| 151 raise jid.InvalidFormat | |
| 152 _jid = _jid.userhostJID() | |
| 153 except (jid.InvalidFormat, RuntimeError): | |
| 154 info(u"invalid target ignored: %s" % (target,)) | |
| 155 continue | |
| 156 process_prot = ExportCommandProtocol(self, _jid, options, profile) | |
| 157 self.spawned.setdefault((_jid, profile),set()).add(process_prot) | |
| 158 reactor.spawnProcess(process_prot, command, args, usePTY = process_prot.boolOption('pty')) | |
| 159 |