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# This file is part of Remote Support Desktop
# https://gitlab.das-netzwerkteam.de/RemoteWebApp/rwa.support.sessionservice
# Copyright 2020, 2021 Jonathan Weth <dev@jonathanweth.de>
# Copyright 2020 Daniel Teichmann <daniel.teichmann@das-netzwerkteam.de>
# Copyright 2020 Mike Gabriel <mike.gabriel@das-netzwerkteam.de>
# SPDX-License-Identifier: GPL-2.0-or-later
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the
# Free Software Foundation, Inc.,
# 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
import threading
from typing import Callable, Optional, Union
from wsgiref.simple_server import make_server
import port_for
from flask import Flask, abort, jsonify, request
class TriggerServerThread(threading.Thread):
"""Simple Flask server (wrapped as thread) for triggering actions on sessions."""
def __init__(self, trigger_method: Callable[[int, dict, Optional[str]], Union[dict, bool]]):
super().__init__()
self.port = port_for.select_random()
app = Flask(__name__)
@app.route("/", methods=["POST"])
def trigger():
json = request.json
token = json.get("token", "")
try:
session_id = int(json.get("session_id"))
r = trigger_method(session_id, {"token": token}, "trigger")
if r:
return "Successful triggered"
else:
return abort(403)
except (ValueError, TypeError):
return abort(404)
@app.route("/authenticate/", methods=["POST"])
def authenticate():
json = request.json
try:
session_id = int(json.get("session_id"))
pin = int(json.get("pin", ""))
r = trigger_method(session_id, {"pin": pin}, "authenticate")
if r:
return jsonify(r)
else:
return abort(403)
except (ValueError, TypeError):
return abort(404)
self.srv = make_server("0.0.0.0", self.port, app) # noqa
self.ctx = app.app_context()
self.ctx.push()
def run(self):
self.srv.serve_forever()
def shutdown(self):
self.srv.shutdown()
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