160 lines
5.3 KiB
Python
160 lines
5.3 KiB
Python
#!/usr/bin/env python2
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# -*- coding: utf-8 -*-
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# jp: a SAT command line tool
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# Copyright (C) 2009-2018 Jérôme Poisson (goffi@goffi.org)
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from sat_frontends.jp import base
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from sat_frontends.jp.constants import Const as C
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import sys
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from sat.core.i18n import _
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from sat_frontends.tools import jid
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import xml.etree.ElementTree as ET # FIXME: used temporarily to manage XMLUI
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from functools import partial
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import socket
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import SocketServer
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import errno
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__commands__ = ["Pipe"]
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START_PORT = 9999
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class PipeOut(base.CommandBase):
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def __init__(self, host):
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super(PipeOut, self).__init__(host, "out", help=_("send a pipe a stream"))
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self.need_loop = True
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def add_parser_options(self):
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self.parser.add_argument(
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"jid", type=base.unicode_decoder, help=_("the destination jid")
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)
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def streamOutCb(self, port):
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s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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s.connect(("127.0.0.1", int(port)))
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while True:
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buf = sys.stdin.read(4096)
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if not buf:
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break
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try:
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s.sendall(buf)
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except socket.error as e:
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if e.errno == errno.EPIPE:
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sys.stderr.write(str(e) + "\n")
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self.host.quit(1)
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else:
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raise e
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self.host.quit()
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def start(self):
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""" Create named pipe, and send stdin to it """
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self.host.bridge.streamOut(
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self.host.get_full_jid(self.args.jid),
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self.profile,
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callback=self.streamOutCb,
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errback=partial(
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self.errback,
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msg=_(u"can't start stream: {}"),
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exit_code=C.EXIT_BRIDGE_ERRBACK,
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),
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)
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class StreamServer(SocketServer.BaseRequestHandler):
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def handle(self):
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while True:
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data = self.request.recv(4096)
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if not data:
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break
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sys.stdout.write(data)
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try:
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sys.stdout.flush()
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except IOError as e:
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sys.stderr.write(str(e) + "\n")
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break
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# calling shutdown will do a deadlock as we don't use separate thread
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# this is a workaround (cf. https://stackoverflow.com/a/36017741)
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self.server._BaseServer__shutdown_request = True
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class PipeIn(base.CommandAnswering):
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def __init__(self, host):
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super(PipeIn, self).__init__(host, "in", help=_("receive a pipe stream"))
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self.action_callbacks = {"STREAM": self.onStreamAction}
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def add_parser_options(self):
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self.parser.add_argument(
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"jids",
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type=base.unicode_decoder,
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nargs="*",
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help=_('Jids accepted (none means "accept everything")'),
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)
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def getXmluiId(self, action_data):
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# FIXME: we temporarily use ElementTree, but a real XMLUI managing module
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# should be available in the future
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# TODO: XMLUI module
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try:
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xml_ui = action_data["xmlui"]
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except KeyError:
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self.disp(_(u"Action has no XMLUI"), 1)
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else:
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ui = ET.fromstring(xml_ui.encode("utf-8"))
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xmlui_id = ui.get("submit")
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if not xmlui_id:
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self.disp(_(u"Invalid XMLUI received"), error=True)
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return xmlui_id
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def onStreamAction(self, action_data, action_id, security_limit, profile):
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xmlui_id = self.getXmluiId(action_data)
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if xmlui_id is None:
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return self.host.quitFromSignal(1)
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try:
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from_jid = jid.JID(action_data["meta_from_jid"])
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except KeyError:
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self.disp(_(u"Ignoring action without from_jid data"), 1)
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return
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if not self.bare_jids or from_jid.bare in self.bare_jids:
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host, port = "localhost", START_PORT
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while True:
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try:
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server = SocketServer.TCPServer((host, port), StreamServer)
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except socket.error as e:
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if e.errno == errno.EADDRINUSE:
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port += 1
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else:
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raise e
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else:
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break
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xmlui_data = {"answer": C.BOOL_TRUE, "port": unicode(port)}
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self.host.bridge.launchAction(xmlui_id, xmlui_data, profile_key=profile)
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server.serve_forever()
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self.host.quitFromSignal()
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def start(self):
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self.bare_jids = [jid.JID(jid_).bare for jid_ in self.args.jids]
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class Pipe(base.CommandBase):
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subcommands = (PipeOut, PipeIn)
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def __init__(self, host):
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super(Pipe, self).__init__(
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host, "pipe", use_profile=False, help=_("stream piping through XMPP")
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)
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