Mercurial > libervia-backend
annotate sat/plugins/plugin_adhoc_dbus.py @ 2654:e7bfbded652a
plugin XEP-0384, install: adapted plugin to omemo module changes + added omemo module to dependencies:
- omemo module logs are now integrated in SàT
- OmemoStorage adapated to changes
- now really delete OTPK each time, behaviour may be modified in future
- fixed bad arguments used during decryption
- adapted to other changes
OMEMO is now working \o/
It still needs some adjustements though: bundles/devices are for the moment requested on each message encryption, and fingerprints management is not implemented yet.
| author | Goffi <goffi@goffi.org> |
|---|---|
| date | Sat, 11 Aug 2018 18:24:55 +0200 |
| parents | 56f94936df1e |
| children | 8dd9db785ac8 |
| rev | line source |
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1 #!/usr/bin/env python2 |
| 822 | 2 # -*- coding: utf-8 -*- |
| 3 | |
| 4 # SAT plugin for adding D-Bus to Ad-Hoc Commands | |
| 2483 | 5 # Copyright (C) 2009-2018 Jérôme Poisson (goffi@goffi.org) |
| 822 | 6 |
| 7 # This program is free software: you can redistribute it and/or modify | |
| 8 # it under the terms of the GNU Affero General Public License as published by | |
| 9 # the Free Software Foundation, either version 3 of the License, or | |
| 10 # (at your option) any later version. | |
| 11 | |
| 12 # This program is distributed in the hope that it will be useful, | |
| 13 # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 15 # GNU Affero General Public License for more details. | |
| 16 | |
| 17 # You should have received a copy of the GNU Affero General Public License | |
| 18 # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 19 | |
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20 from sat.core.i18n import _ |
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21 from sat.core.constants import Const as C |
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22 from sat.core.log import getLogger |
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23 |
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24 log = getLogger(__name__) |
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25 from sat.core import exceptions |
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26 from twisted.internet import defer |
| 822 | 27 from wokkel import data_form |
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28 |
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29 try: |
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30 from lxml import etree |
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31 except ImportError: |
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32 raise exceptions.MissingModule( |
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33 u"Missing module lxml, please download/install it from http://lxml.de/" |
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34 ) |
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35 import os.path |
| 822 | 36 import uuid |
| 37 import dbus | |
| 38 from dbus.mainloop.glib import DBusGMainLoop | |
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39 |
| 822 | 40 DBusGMainLoop(set_as_default=True) |
| 41 | |
| 42 FD_NAME = "org.freedesktop.DBus" | |
| 43 FD_PATH = "/org/freedekstop/DBus" | |
| 44 INTROSPECT_IFACE = "org.freedesktop.DBus.Introspectable" | |
| 45 | |
| 46 INTROSPECT_METHOD = "Introspect" | |
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47 IGNORED_IFACES_START = ( |
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48 "org.freedesktop", |
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49 "org.qtproject", |
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50 "org.kde.KMainWindow", |
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51 ) # commands in interface starting with these values will be ignored |
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52 FLAG_LOOP = "LOOP" |
| 822 | 53 |
| 54 PLUGIN_INFO = { | |
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55 C.PI_NAME: "Ad-Hoc Commands - D-Bus", |
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56 C.PI_IMPORT_NAME: "AD_HOC_DBUS", |
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57 C.PI_TYPE: "Misc", |
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58 C.PI_PROTOCOLS: [], |
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59 C.PI_DEPENDENCIES: ["XEP-0050"], |
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60 C.PI_MAIN: "AdHocDBus", |
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61 C.PI_HANDLER: "no", |
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62 C.PI_DESCRIPTION: _("""Add D-Bus management to Ad-Hoc commands"""), |
| 822 | 63 } |
| 64 | |
| 65 | |
| 66 class AdHocDBus(object): | |
| 67 def __init__(self, host): | |
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68 log.info(_("plugin Ad-Hoc D-Bus initialization")) |
| 822 | 69 self.host = host |
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70 host.bridge.addMethod( |
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71 "adHocDBusAddAuto", |
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72 ".plugin", |
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73 in_sign="sasasasasasass", |
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74 out_sign="(sa(sss))", |
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75 method=self._adHocDBusAddAuto, |
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76 async=True, |
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77 ) |
| 822 | 78 self.session_bus = dbus.SessionBus() |
| 79 self.fd_object = self.session_bus.get_object(FD_NAME, FD_PATH, introspect=False) | |
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80 self.XEP_0050 = host.plugins["XEP-0050"] |
| 822 | 81 |
| 82 def _DBusAsyncCall(self, proxy, method, *args, **kwargs): | |
| 83 """ Call a DBus method asynchronously and return a deferred | |
| 84 @param proxy: DBus object proxy, as returner by get_object | |
| 85 @param method: name of the method to call | |
| 86 @param args: will be transmitted to the method | |
| 87 @param kwargs: will be transmetted to the method, except for the following poped values: | |
| 88 - interface: name of the interface to use | |
| 89 @return: a deferred | |
| 90 | |
| 91 """ | |
| 92 d = defer.Deferred() | |
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93 interface = kwargs.pop("interface", None) |
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94 kwargs["reply_handler"] = lambda ret=None: d.callback(ret) |
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95 kwargs["error_handler"] = d.errback |
| 822 | 96 proxy.get_dbus_method(method, dbus_interface=interface)(*args, **kwargs) |
| 97 return d | |
| 98 | |
| 99 def _DBusListNames(self): | |
| 100 return self._DBusAsyncCall(self.fd_object, "ListNames") | |
| 101 | |
| 102 def _DBusIntrospect(self, proxy): | |
| 103 return self._DBusAsyncCall(proxy, INTROSPECT_METHOD, interface=INTROSPECT_IFACE) | |
| 104 | |
| 105 def _acceptMethod(self, method): | |
| 106 """ Return True if we accept the method for a command | |
| 107 @param method: etree.Element | |
| 108 @return: True if the method is acceptable | |
| 109 | |
| 110 """ | |
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111 if method.xpath( |
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112 "arg[@direction='in']" |
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113 ): # we don't accept method with argument for the moment |
| 822 | 114 return False |
| 115 return True | |
| 116 | |
| 117 @defer.inlineCallbacks | |
| 118 def _introspect(self, methods, bus_name, proxy): | |
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119 log.debug("introspecting path [%s]" % proxy.object_path) |
| 822 | 120 introspect_xml = yield self._DBusIntrospect(proxy) |
| 121 el = etree.fromstring(introspect_xml) | |
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122 for node in el.iterchildren("node", "interface"): |
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123 if node.tag == "node": |
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124 new_path = os.path.join(proxy.object_path, node.get("name")) |
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125 new_proxy = self.session_bus.get_object( |
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126 bus_name, new_path, introspect=False |
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127 ) |
| 822 | 128 yield self._introspect(methods, bus_name, new_proxy) |
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129 elif node.tag == "interface": |
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130 name = node.get("name") |
| 822 | 131 if any(name.startswith(ignored) for ignored in IGNORED_IFACES_START): |
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132 log.debug("interface [%s] is ignored" % name) |
| 822 | 133 continue |
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134 log.debug("introspecting interface [%s]" % name) |
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135 for method in node.iterchildren("method"): |
| 822 | 136 if self._acceptMethod(method): |
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137 method_name = method.get("name") |
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138 log.debug("method accepted: [%s]" % method_name) |
| 822 | 139 methods.add((proxy.object_path, name, method_name)) |
| 140 | |
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141 def _adHocDBusAddAuto( |
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142 self, |
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143 prog_name, |
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144 allowed_jids, |
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145 allowed_groups, |
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146 allowed_magics, |
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147 forbidden_jids, |
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148 forbidden_groups, |
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149 flags, |
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150 profile_key, |
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151 ): |
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152 return self.adHocDBusAddAuto( |
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153 prog_name, |
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154 allowed_jids, |
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155 allowed_groups, |
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156 allowed_magics, |
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157 forbidden_jids, |
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158 forbidden_groups, |
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159 flags, |
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160 profile_key, |
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161 ) |
| 822 | 162 |
| 163 @defer.inlineCallbacks | |
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164 def adHocDBusAddAuto( |
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165 self, |
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166 prog_name, |
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167 allowed_jids=None, |
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168 allowed_groups=None, |
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169 allowed_magics=None, |
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170 forbidden_jids=None, |
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171 forbidden_groups=None, |
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172 flags=None, |
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173 profile_key=C.PROF_KEY_NONE, |
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174 ): |
| 822 | 175 bus_names = yield self._DBusListNames() |
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176 bus_names = [bus_name for bus_name in bus_names if "." + prog_name in bus_name] |
| 822 | 177 if not bus_names: |
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178 log.info("Can't find any bus for [%s]" % prog_name) |
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179 defer.returnValue(("", [])) |
| 822 | 180 bus_names.sort() |
| 181 for bus_name in bus_names: | |
| 182 if bus_name.endswith(prog_name): | |
| 183 break | |
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184 log.info("bus name found: [%s]" % bus_name) |
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185 proxy = self.session_bus.get_object(bus_name, "/", introspect=False) |
| 822 | 186 methods = set() |
| 187 | |
| 188 yield self._introspect(methods, bus_name, proxy) | |
| 189 | |
| 190 if methods: | |
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191 self._addCommand( |
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192 prog_name, |
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193 bus_name, |
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194 methods, |
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195 allowed_jids=allowed_jids, |
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196 allowed_groups=allowed_groups, |
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197 allowed_magics=allowed_magics, |
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198 forbidden_jids=forbidden_jids, |
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199 forbidden_groups=forbidden_groups, |
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200 flags=flags, |
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201 profile_key=profile_key, |
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202 ) |
| 822 | 203 |
| 204 defer.returnValue((bus_name, methods)) | |
| 205 | |
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206 def _addCommand( |
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207 self, |
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208 adhoc_name, |
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209 bus_name, |
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210 methods, |
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211 allowed_jids=None, |
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212 allowed_groups=None, |
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213 allowed_magics=None, |
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214 forbidden_jids=None, |
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215 forbidden_groups=None, |
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216 flags=None, |
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217 profile_key=C.PROF_KEY_NONE, |
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218 ): |
| 822 | 219 if flags is None: |
| 220 flags = set() | |
| 221 | |
| 222 def DBusCallback(command_elt, session_data, action, node, profile): | |
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223 actions = session_data.setdefault("actions", []) |
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224 names_map = session_data.setdefault("names_map", {}) |
| 822 | 225 actions.append(action) |
| 226 | |
| 227 if len(actions) == 1: | |
| 228 # it's our first request, we ask the desired new status | |
| 229 status = self.XEP_0050.STATUS.EXECUTING | |
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230 form = data_form.Form("form", title=_("Command selection")) |
| 822 | 231 options = [] |
| 232 for path, iface, command in methods: | |
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233 label = command.rsplit(".", 1)[-1] |
| 822 | 234 name = str(uuid.uuid4()) |
| 235 names_map[name] = (path, iface, command) | |
| 236 options.append(data_form.Option(name, label)) | |
| 237 | |
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238 field = data_form.Field( |
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239 "list-single", "command", options=options, required=True |
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240 ) |
| 822 | 241 form.addField(field) |
| 242 | |
| 243 payload = form.toElement() | |
| 244 note = None | |
| 245 | |
| 246 elif len(actions) == 2: | |
| 247 # we should have the answer here | |
| 248 try: | |
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249 x_elt = command_elt.elements(data_form.NS_X_DATA, "x").next() |
| 822 | 250 answer_form = data_form.Form.fromElement(x_elt) |
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251 command = answer_form["command"] |
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252 except (KeyError, StopIteration): |
| 822 | 253 raise self.XEP_0050.AdHocError(self.XEP_0050.ERROR.BAD_PAYLOAD) |
| 254 | |
| 255 if command not in names_map: | |
| 256 raise self.XEP_0050.AdHocError(self.XEP_0050.ERROR.BAD_PAYLOAD) | |
| 257 | |
| 258 path, iface, command = names_map[command] | |
| 259 proxy = self.session_bus.get_object(bus_name, path) | |
| 260 | |
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261 self._DBusAsyncCall(proxy, command, interface=iface) |
| 822 | 262 |
| 263 # job done, we can end the session, except if we have FLAG_LOOP | |
| 264 if FLAG_LOOP in flags: | |
| 265 # We have a loop, so we clear everything and we execute again the command as we had a first call (command_elt is not used, so None is OK) | |
| 266 del actions[:] | |
| 267 names_map.clear() | |
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268 return DBusCallback( |
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269 None, session_data, self.XEP_0050.ACTION.EXECUTE, node, profile |
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270 ) |
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271 form = data_form.Form("form", title=_(u"Updated")) |
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272 form.addField(data_form.Field("fixed", u"Command sent")) |
| 822 | 273 status = self.XEP_0050.STATUS.COMPLETED |
| 274 payload = None | |
| 275 note = (self.XEP_0050.NOTE.INFO, _(u"Command sent")) | |
| 276 else: | |
| 277 raise self.XEP_0050.AdHocError(self.XEP_0050.ERROR.INTERNAL) | |
| 278 | |
| 279 return (payload, status, None, note) | |
| 280 | |
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281 self.XEP_0050.addAdHocCommand( |
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282 DBusCallback, |
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283 adhoc_name, |
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284 allowed_jids=allowed_jids, |
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285 allowed_groups=allowed_groups, |
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286 allowed_magics=allowed_magics, |
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287 forbidden_jids=forbidden_jids, |
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288 forbidden_groups=forbidden_groups, |
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289 profile_key=profile_key, |
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290 ) |