262 lines
9 KiB
Python
262 lines
9 KiB
Python
# -*- coding: utf-8 -*-
|
|
|
|
###############################################################################
|
|
import logging
|
|
import websocket
|
|
from json import loads
|
|
import xml.etree.ElementTree as etree
|
|
from threading import Thread
|
|
from Queue import Queue
|
|
from ssl import CERT_NONE
|
|
|
|
from xbmc import sleep
|
|
|
|
from utils import window, settings, ThreadMethodsAdditionalSuspend, \
|
|
ThreadMethods
|
|
from companion import process_command
|
|
|
|
###############################################################################
|
|
|
|
log = logging.getLogger("PLEX."+__name__)
|
|
|
|
###############################################################################
|
|
|
|
|
|
@ThreadMethodsAdditionalSuspend('suspend_LibraryThread')
|
|
@ThreadMethods
|
|
class WebSocket(Thread):
|
|
opcode_data = (websocket.ABNF.OPCODE_TEXT, websocket.ABNF.OPCODE_BINARY)
|
|
|
|
def __init__(self, callback=None):
|
|
if callback is not None:
|
|
self.mgr = callback
|
|
self.ws = None
|
|
Thread.__init__(self)
|
|
|
|
def process(self, opcode, message):
|
|
raise NotImplementedError
|
|
|
|
def receive(self, ws):
|
|
# Not connected yet
|
|
if ws is None:
|
|
raise websocket.WebSocketConnectionClosedException
|
|
|
|
frame = ws.recv_frame()
|
|
|
|
if not frame:
|
|
raise websocket.WebSocketException("Not a valid frame %s" % frame)
|
|
elif frame.opcode in self.opcode_data:
|
|
return frame.opcode, frame.data
|
|
elif frame.opcode == websocket.ABNF.OPCODE_CLOSE:
|
|
ws.send_close()
|
|
return frame.opcode, None
|
|
elif frame.opcode == websocket.ABNF.OPCODE_PING:
|
|
ws.pong("Hi!")
|
|
return None, None
|
|
|
|
def getUri(self):
|
|
raise NotImplementedError
|
|
|
|
def run(self):
|
|
log.info("----===## Starting %s ##===----" % self.__class__.__name__)
|
|
|
|
counter = 0
|
|
handshake_counter = 0
|
|
threadStopped = self.threadStopped
|
|
threadSuspended = self.threadSuspended
|
|
while not threadStopped():
|
|
# In the event the server goes offline
|
|
while threadSuspended():
|
|
# Set in service.py
|
|
if self.ws is not None:
|
|
try:
|
|
self.ws.shutdown()
|
|
except:
|
|
pass
|
|
self.ws = None
|
|
if threadStopped():
|
|
# Abort was requested while waiting. We should exit
|
|
log.info("##===---- %s Stopped ----===##"
|
|
% self.__class__.__name__)
|
|
return
|
|
sleep(1000)
|
|
try:
|
|
self.process(*self.receive(self.ws))
|
|
except websocket.WebSocketTimeoutException:
|
|
# No worries if read timed out
|
|
pass
|
|
except websocket.WebSocketConnectionClosedException:
|
|
log.info("Connection closed, (re)connecting")
|
|
uri, sslopt = self.getUri()
|
|
try:
|
|
# Low timeout - let's us shut this thread down!
|
|
self.ws = websocket.create_connection(
|
|
uri,
|
|
timeout=1,
|
|
sslopt=sslopt,
|
|
enable_multithread=True)
|
|
except IOError:
|
|
# Server is probably offline
|
|
log.info("Error connecting")
|
|
self.ws = None
|
|
counter += 1
|
|
if counter > 3:
|
|
counter = 0
|
|
self.IOError_response()
|
|
sleep(1000)
|
|
except websocket.WebSocketTimeoutException:
|
|
log.info("timeout while connecting, trying again")
|
|
self.ws = None
|
|
sleep(1000)
|
|
except websocket.WebSocketException as e:
|
|
log.info('WebSocketException: %s' % e)
|
|
if 'Handshake Status 401' in e.args:
|
|
handshake_counter += 1
|
|
if handshake_counter >= 5:
|
|
log.info('Error in handshake detected. Stopping '
|
|
'%s now' % self.__class__.__name__)
|
|
break
|
|
self.ws = None
|
|
sleep(1000)
|
|
except Exception as e:
|
|
log.error("Unknown exception encountered in connecting: %s"
|
|
% e)
|
|
import traceback
|
|
log.error("Traceback:\n%s" % traceback.format_exc())
|
|
self.ws = None
|
|
sleep(1000)
|
|
else:
|
|
counter = 0
|
|
handshake_counter = 0
|
|
except Exception as e:
|
|
log.error("Unknown exception encountered: %s" % e)
|
|
import traceback
|
|
log.error("Traceback:\n%s" % traceback.format_exc())
|
|
try:
|
|
self.ws.shutdown()
|
|
except:
|
|
pass
|
|
self.ws = None
|
|
log.info("##===---- %s Stopped ----===##" % self.__class__.__name__)
|
|
|
|
def stopThread(self):
|
|
"""
|
|
Overwrite this method from ThreadMethods to close websockets
|
|
"""
|
|
log.info("Stopping %s thread." % self.__class__.__name__)
|
|
self._threadStopped = True
|
|
try:
|
|
self.ws.shutdown()
|
|
except:
|
|
pass
|
|
|
|
|
|
class PMS_Websocket(WebSocket):
|
|
"""
|
|
Websocket connection with the PMS for Plex Companion
|
|
"""
|
|
# Communication with librarysync
|
|
queue = Queue()
|
|
|
|
def getUri(self):
|
|
server = window('pms_server')
|
|
# Need to use plex.tv token, if any. NOT user token
|
|
token = window('plex_token')
|
|
# Get the appropriate prefix for the websocket
|
|
if server.startswith('https'):
|
|
server = "wss%s" % server[5:]
|
|
else:
|
|
server = "ws%s" % server[4:]
|
|
uri = "%s/:/websockets/notifications" % server
|
|
if token:
|
|
uri += '?X-Plex-Token=%s' % token
|
|
sslopt = {}
|
|
if settings('sslverify') == "false":
|
|
sslopt["cert_reqs"] = CERT_NONE
|
|
log.debug("Uri: %s, sslopt: %s" % (uri, sslopt))
|
|
return uri, sslopt
|
|
|
|
def process(self, opcode, message):
|
|
if opcode not in self.opcode_data:
|
|
return False
|
|
|
|
try:
|
|
message = loads(message)
|
|
except Exception as ex:
|
|
log.error('Error decoding message from websocket: %s' % ex)
|
|
log.error(message)
|
|
return False
|
|
try:
|
|
message = message['NotificationContainer']
|
|
except KeyError:
|
|
log.error('Could not parse PMS message: %s' % message)
|
|
return False
|
|
# Triage
|
|
typus = message.get('type')
|
|
if typus is None:
|
|
log.error('No message type, dropping message: %s' % message)
|
|
return False
|
|
log.debug('Received message from PMS server: %s' % message)
|
|
# Drop everything we're not interested in
|
|
if typus not in ('playing', 'timeline'):
|
|
return True
|
|
|
|
# Put PMS message on queue and let libsync take care of it
|
|
self.queue.put(message)
|
|
return True
|
|
|
|
def IOError_response(self):
|
|
log.warn("Repeatedly could not connect to PMS, "
|
|
"declaring the connection dead")
|
|
window('plex_online', value='false')
|
|
|
|
|
|
class Alexa_Websocket(WebSocket):
|
|
"""
|
|
Websocket connection to talk to Amazon Alexa
|
|
"""
|
|
def getUri(self):
|
|
self.plex_client_Id = window('plex_client_Id')
|
|
uri = ('wss://pubsub.plex.tv/sub/websockets/%s/%s?X-Plex-Token=%s'
|
|
% (window('currUserId'),
|
|
self.plex_client_Id,
|
|
window('plex_token')))
|
|
sslopt = {}
|
|
log.debug("Uri: %s, sslopt: %s" % (uri, sslopt))
|
|
return uri, sslopt
|
|
|
|
def process(self, opcode, message):
|
|
if opcode not in self.opcode_data:
|
|
return False
|
|
log.debug('Received the following message from Alexa:')
|
|
log.debug(message)
|
|
try:
|
|
message = etree.fromstring(message)
|
|
except Exception as ex:
|
|
log.error('Error decoding message from Alexa: %s' % ex)
|
|
return False
|
|
try:
|
|
if message.attrib['command'] == 'processRemoteControlCommand':
|
|
message = message[0]
|
|
else:
|
|
log.error('Unknown Alexa message received')
|
|
return False
|
|
except:
|
|
log.error('Could not parse Alexa message')
|
|
return False
|
|
process_command(message.attrib['path'][1:],
|
|
message.attrib,
|
|
queue=self.mgr.plexCompanion.queue)
|
|
return True
|
|
|
|
def IOError_response(self):
|
|
pass
|
|
|
|
def threadSuspended(self):
|
|
"""
|
|
Overwrite to ignore library sync stuff and allow to check for
|
|
plex_restricteduser
|
|
"""
|
|
return (self._threadSuspended or
|
|
window('plex_restricteduser') == 'true' or
|
|
not window('plex_token'))
|