work on sockets
Kevin Froman
parent
d3f4e912f9
commit
4e8f7e2761
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@ -108,6 +108,8 @@ class OnionrCommunicatorDaemon:
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cleanupTimer.count = (cleanupTimer.frequency - 60)
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announceTimer.count = (cleanupTimer.frequency - 60)
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self.socketServer = onionrsockets.OnionrSocketServer(self._core)
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# Main daemon loop, mainly for calling timers, don't do any complex operations here to avoid locking
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try:
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while not self.shutdown:
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@ -467,31 +469,15 @@ class OnionrCommunicatorDaemon:
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elif cmd[0] == 'uploadBlock':
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self.blockToUpload = cmd[1]
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threading.Thread(target=self.uploadBlock).start()
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elif cmd[0] == 'startSocket':
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# Create a socket or connect to one.
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# The socket handler (such as the plugin or app using it) is specified in startData['reason]
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startData = json.loads(cmd[1])
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threading.Thread(target=self.startSocket, args=(startData,)).start()
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elif cmd[0] == 'addSocket':
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socketInfo = json.loads(cmd[1])
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if socketInfo['reason'] in ('chat'):
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onionrsockets.OnionrSocketClient(self._core, socketInfo['peer'])
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else:
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logger.info('Recieved daemonQueue command:' + cmd[0])
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self.decrementThreadCount('daemonCommands')
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def startSocket(self, startData):
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# Start a socket client
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mySocket = onionrsockets.OnionrSockets(self._core, startData)
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self.sockets[mySocket.socketID] = mySocket
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sockProgram = '' # Function for socket handler (application)
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if startData['reason'] == 'chat':
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sockProgram = onionrchat.OnionrChat
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else:
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del self.sockets[mySocket.socketID] # Delete socket if we have no handler for it
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threading.Thread(target=sockProgram, args=(self, mySocket.socketID)).start()
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mySocket.startConn()
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def uploadBlock(self):
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'''Upload our block to a few peers'''
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# when inserting a block, we try to upload it to a few peers to add some deniability
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@ -18,121 +18,68 @@
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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'''
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import stem.control
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import socket, selectors, socks, config, uuid
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import onionrexceptions, time, onionrchat
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import socks, config, uuid
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import onionrexceptions, time, requests
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from dependencies import secrets
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sel = selectors.DefaultSelector()
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from flask import request, Response, abort
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class OnionrSockets:
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def __init__(self, coreInst, socketInfo):
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'''Create a new Socket object. This interface is named a bit misleadingly
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and does not actually forward network requests.
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Accepts coreInst, an instance of Onionr core library, and socketInfo, a dict with these values:
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'peer': peer master public key
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'address': string, if we're connecting to a socket, this is the address we connect to. Not applicable if we're creating our own
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create: bool
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'''
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self.socketID = secrets.token_hex(32) # Generate an ID for this socket
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class OnionrSocketServer:
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def __init__(self, coreInst):
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self.sockets = {} # pubkey: tor address
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self.connPool = {}
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self.bindPort = 1337
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self._core = coreInst
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self.socketInfo = socketInfo
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self.responseData = {}
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self.killSocket = False
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app = flask.Flask(__name__)
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# Make sure socketInfo provides all necessary values
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for i in ('peer', 'address', 'create', 'port'):
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try:
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socketInfo[i]
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except KeyError:
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raise ValueError('Must provide peer, address, and create in socketInfo dict argument')
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http_server = WSGIServer((socket.service_id, bindPort), app)
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http_server.serve_forever()
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self.isServer = socketInfo['create'] # if we are the one creating the service
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@app.route('/dc/', methods=['POST'])
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def acceptConn(self):
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data = request.form['data']
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data = self._core._utils.bytesTorStr(data)
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self.remotePeer = socketInfo['peer']
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self.socketPort = socketInfo['port']
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self.serverAddress = socketInfo['address']
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self.connected = False
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self.readData = []
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self.sendData = 0
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config.reload()
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def startConn(self):
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if self.isServer:
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self.createServer()
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if request.host in self.connPool:
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self.connPool[request.host].append(data)
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else:
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self.connectServer()
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self.connPool[request.host] = [data]
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def createServer(self):
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# Create our HS and advertise it via a block
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dataID = uuid.uuid4().hex
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ourAddress = ''
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ourPort = 1337
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ourInternalPort = 1338
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retData = self.responseData[request.host]
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# Setup the empheral HS
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self.responseData[request.host] = ''
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return retData
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def setResponseData(self, host, data):
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self.responseData[host] = data
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def addSocket(self, peer):
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bindPort = 1337
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with stem.control.Controller.from_port(port=config.get('tor.controlPort')) as controller:
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controller.authenticate(config.get('tor.controlpassword'))
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socketHS = controller.create_ephemeral_hidden_service({ourPort: ourInternalPort}, await_publication = True)
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ourAddress = socketHS.service_id
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# Advertise the server
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meta = {'address': ourAddress, 'port': ourPort}
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self._core.insertBlock(dataID, header='openSocket', encryptType='asym', asymPeer=self.remotePeer, sign=True, meta=meta)
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socket = controller.create_ephemeral_hidden_service({80: bindPort}, await_publication = True)
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self.sockets[peer] = socket.service_id
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# Build the socket server
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sock = socket.socket()
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sock.bind(('127.0.0.1', ourInternalPort))
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sock.listen(100)
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sock.setblocking(False)
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sel.register(sock, selectors.EVENT_READ, self._accept)
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self.responseData[socket.service_id] = ''
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while True:
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events = sel.select()
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for key, mask in events:
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callback = key.data
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callback(key.fileobj, mask)
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self._core.insertBlock(uuid.uuid4(), header='startSocket', sign=True, encryptType='asym', asymPeer=peer, meta={})
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while not self.killSocket:
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time.sleep(3)
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return
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def _accept(self, sock, mask):
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# Just accept the connection and pass it to our handler
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conn, addr = sock.accept()
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conn.setblocking(False)
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sel.register(conn, selectors.EVENT_READ, self._read)
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self.connected = True
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class OnionrSocketClient:
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def __init__(self, coreInst):
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self.sockets = {} # pubkey: tor address
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self.connPool = {}
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self.bindPort = 1337
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self._core = coreInst
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self.response = ''
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self.request = ''
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self.connected = False
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def _read(self, conn, mask):
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data = conn.recv(1024)
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if data:
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data = data.decode()
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self.readData.append(data)
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else:
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sel.unregister(conn)
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conn.close()
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def addSendData(self, data):
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try:
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data = data.encode()
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except AttributeError:
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pass
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self.sendData = data
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def getReadData(self):
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try:
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data = self.readData.pop(0)
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except IndexError:
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data = ''
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return data
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def connectServer(self):
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# Set the Tor proxy
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socks.setdefaultproxy(socks.PROXY_TYPE_SOCKS5, '127.0.0.1', config.get('tor.socksport'), rdns=True)
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socket.socket = socks.socksocket
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remoteSocket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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with remoteSocket as s:
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s.connect((self.serverAddress, self.port))
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data = s.recv(1024)
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if self.sendData != 0:
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s.send(self.sendData)
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self.sendData = 0
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return
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def getResponse(self, peer):
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self._core._utils.doPostRequest(self.)
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@ -91,7 +91,7 @@ def on_processBlocks(api):
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raise ValueError("Missing socket reason")
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socketInfo = json.dumps({'peer': api.data['signer'], 'address': address, 'port': port, 'create': False, 'reason': reason})
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api.get_core().daemonQueueAdd('startSocket', socketInfo)
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api.get_core().daemonQueueAdd('addSocket', socketInfo)
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def on_init(api, data = None):
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