renamed onionr dir and bugfixes/linting progress

src/onionrservices/bootstrapservice.py

@@ -0,0 +1,116 @@
+'''
+    Onionr - Private P2P Communication
+
+    Bootstrap onion direct connections for the clients
+'''
+'''
+    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 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 General Public License for more details.
+
+    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 time, threading, uuid, os
+from gevent.pywsgi import WSGIServer, WSGIHandler
+from stem.control import Controller
+from flask import Flask, Response
+from netcontroller import get_open_port
+from . import httpheaders
+from onionrutils import stringvalidators, epoch
+import logger
+import config, onionrblocks, filepaths
+import onionrexceptions
+import deadsimplekv as simplekv
+from . import pool
+
+def __bootstrap_timeout(server: WSGIServer, timeout: int, signal_object):
+    time.sleep(timeout)
+    signal_object.timed_out = True
+    server.stop()
+
+def bootstrap_client_service(peer, comm_inst=None, bootstrap_timeout=300):
+    '''
+        Bootstrap client services
+    '''
+    if not stringvalidators.validate_pub_key(peer):
+        raise ValueError('Peer must be valid base32 ed25519 public key')
+    
+    connection_pool = None
+
+    # here we use a lambda for the timeout thread to set to true
+    timed_out = lambda: None
+    timed_out.timed_out = False
+
+    bootstrap_port = get_open_port()
+    bootstrap_app = Flask(__name__)
+    bootstrap_app.config['MAX_CONTENT_LENGTH'] = 1 * 1024
+
+    http_server = WSGIServer(('127.0.0.1', bootstrap_port), bootstrap_app, log=None)
+    try:
+        if comm_inst is None: raise ValueError
+    except (AttributeError, ValueError) as e:
+        pass
+    else:
+        comm_inst.service_greenlets.append(http_server)
+        connection_pool = comm_inst.shared_state.get(pool.ServicePool)
+    
+    bootstrap_address = ''
+    shutdown = False
+    bs_id = str(uuid.uuid4())
+    key_store = simplekv.DeadSimpleKV(filepaths.cached_storage)
+
+    @bootstrap_app.route('/ping')
+    def get_ping():
+        return "pong!"
+
+    @bootstrap_app.after_request
+    def afterReq(resp):
+        # Security headers
+        resp = httpheaders.set_default_onionr_http_headers(resp)
+        return resp
+
+    @bootstrap_app.route('/bs/<address>', methods=['POST'])
+    def get_bootstrap(address):
+        if stringvalidators.validate_transport(address + '.onion'):
+            # Set the bootstrap address then close the server
+            bootstrap_address = address + '.onion'
+            key_store.put(bs_id, bootstrap_address)
+            http_server.stop()
+            return Response("success")
+        else:
+            return Response("")
+
+    with Controller.from_port(port=config.get('tor.controlPort')) as controller:
+        if not connection_pool is None: connection_pool.bootstrap_pending.append(peer)
+        # Connect to the Tor process for Onionr
+        controller.authenticate(config.get('tor.controlpassword'))
+        # Create the v3 onion service
+        response = controller.create_ephemeral_hidden_service({80: bootstrap_port}, key_type = 'NEW', key_content = 'ED25519-V3', await_publication = True)
+        onionrblocks.insert(response.service_id, header='con', sign=True, encryptType='asym', 
+        asymPeer=peer, disableForward=True, expire=(epoch.get_epoch() + bootstrap_timeout))
+        
+        threading.Thread(target=__bootstrap_timeout, args=[http_server, bootstrap_timeout, timed_out], daemon=True).start()
+
+        # Run the bootstrap server
+        try:
+            http_server.serve_forever()
+        except TypeError:
+            pass
+        # This line reached when server is shutdown by being bootstrapped
+    # Add the address to the client pool
+    if not comm_inst is None:
+        connection_pool.bootstrap_pending.remove(peer)
+        if timed_out.timed_out:
+            logger.warn('Could not connect to %s due to timeout' % (peer,))
+            return None
+        comm_inst.direct_connection_clients[peer] = response.service_id
+
+    # Now that the bootstrap server has received a server, return the address
+    return key_store.get(bs_id)