libervia-backend/frontends/src/jp/cmd_pipe.py
2016-06-19 22:22:08 +02:00

111 lines
3.9 KiB
Python

#!/usr/bin/env python2
# -*- coding: utf-8 -*-
# jp: a SAT command line tool
# Copyright (C) 2009-2016 Jérôme Poisson (goffi@goffi.org)
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
from sat_frontends.jp import base
import tempfile
import sys
import os
import os.path
import shutil
from sat.core.i18n import _
from sat_frontends.tools import jid
import xml.etree.ElementTree as ET # FIXME: used temporarily to manage XMLUI
__commands__ = ["Pipe"]
class PipeOut(base.CommandBase):
def __init__(self, host):
super(PipeOut, self).__init__(host, 'out', help=_('send a pipe a stream'))
self.need_loop = True
def add_parser_options(self):
self.parser.add_argument("jid", type=base.unicode_decoder, help=_("the destination jid"))
def start(self):
""" Create named pipe, and send stdin to it """
# TODO: check_jids
tmp_dir = tempfile.mkdtemp()
fifopath = os.path.join(tmp_dir,"pipe_out")
os.mkfifo(fifopath)
self.host.bridge.pipeOut(self.host.get_full_jid(self.args.jid), fifopath, self.profile)
with open(fifopath, 'w') as f:
shutil.copyfileobj(sys.stdin, f)
shutil.rmtree(tmp_dir)
self.host.quit()
class PipeIn(base.CommandAnswering):
def __init__(self, host):
super(PipeIn, self).__init__(host, 'in', help=_('receive a pipe stream'))
self.action_callbacks = {"PIPE": self.onPipeAction}
def add_parser_options(self):
self.parser.add_argument("jids", type=base.unicode_decoder, nargs="*", help=_('Jids accepted (none means "accept everything")'))
def getXmluiId(self, action_data):
# FIXME: we temporarily use ElementTree, but a real XMLUI managing module
# should be available in the futur
# TODO: XMLUI module
try:
xml_ui = action_data['xmlui']
except KeyError:
self.disp(_(u"Action has no XMLUI"), 1)
else:
ui = ET.fromstring(xml_ui.encode('utf-8'))
xmlui_id = ui.get('submit')
if not xmlui_id:
self.disp(_(u"Invalid XMLUI received"), error=True)
return xmlui_id
def onPipeAction(self, action_data, action_id, security_limit, profile):
xmlui_id = self.getXmluiId(action_data)
if xmlui_id is None:
return self.host.quitFromSignal(1)
try:
from_jid = jid.JID(action_data['meta_from_jid'])
except KeyError:
self.disp(_(u"Ignoring action without from_jid data"), 1)
return
if not self.bare_jids or from_jid.bare in self.bare_jids:
tmp_dir = tempfile.mkdtemp()
fifopath = os.path.join(tmp_dir,"pipe_in")
os.mkfifo(fifopath)
xmlui_data = {'path': fifopath}
self.host.bridge.launchAction(xmlui_id, xmlui_data, profile_key=profile)
with open(fifopath, 'r') as f:
shutil.copyfileobj(f, sys.stdout)
shutil.rmtree(tmp_dir)
self.host.quit()
def start(self):
self.bare_jids = [jid.JID(jid_).bare for jid_ in self.args.jids]
class Pipe(base.CommandBase):
subcommands = (PipeOut, PipeIn)
def __init__(self, host):
super(Pipe, self).__init__(host, 'pipe', use_profile=False, help=_('stream piping through XMPP'))