mirror of
https://github.com/jellyfin/jellyfin-kodi.git
synced 2024-11-10 12:16:12 +00:00
854 lines
28 KiB
Python
854 lines
28 KiB
Python
# -*- coding: utf-8 -*-
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#################################################################################################
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import json
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import logging
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import hashlib
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import socket
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import time
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from datetime import datetime
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from credentials import Credentials
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from http import HTTP
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#################################################################################################
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LOG = logging.getLogger('Emby.'+__name__)
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CONNECTION_STATE = {
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'Unavailable': 0,
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'ServerSelection': 1,
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'ServerSignIn': 2,
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'SignedIn': 3,
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'ConnectSignIn': 4,
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'ServerUpdateNeeded': 5
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}
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CONNECTION_MODE = {
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'Local': 0,
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'Remote': 1,
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'Manual': 2
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}
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#################################################################################################
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def get_server_address(server, mode):
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modes = {
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CONNECTION_MODE['Local']: server.get('LocalAddress'),
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CONNECTION_MODE['Remote']: server.get('RemoteAddress'),
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CONNECTION_MODE['Manual']: server.get('ManualAddress')
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}
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return modes.get(mode) or server.get('ManualAddress', server.get('LocalAddress', server.get('RemoteAddress')))
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class ConnectionManager(object):
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min_server_version = "3.0.5930"
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server_version = min_server_version
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user = {}
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server_id = None
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timeout = 10
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def __init__(self, client):
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LOG.debug("ConnectionManager initializing...")
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self.client = client
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self.config = client.config
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self.credentials = Credentials()
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self.http = HTTP(client)
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def __shortcuts__(self, key):
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if key == "clear":
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return self.clear_data
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elif key == "servers":
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return self.get_available_servers()
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elif key in ("reconnect", "refresh"):
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return self.connect
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elif key == "login":
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return self.login
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elif key == "login-connect":
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return self.login_to_connect
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elif key == "connect-user":
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return self.connect_user()
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elif key == "connect-token":
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return self.connect_token()
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elif key == "connect-user-id":
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return self.connect_user_id()
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elif key == "server":
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return self.get_server_info(self.server_id)
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elif key == "server-id":
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return self.server_id
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elif key == "server-version":
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return self.server_version
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elif key == "user-id":
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return self.emby_user_id()
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elif key == "public-users":
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return self.get_public_users()
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elif key == "token":
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return self.emby_token()
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elif key == "manual-server":
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return self.connect_to_address
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elif key == "connect-to-server":
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return self.connect_to_server
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elif key == "server-address":
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server = self.get_server_info(self.server_id)
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return get_server_address(server, server['LastConnectionMode'])
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elif key == "revoke-token":
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return self.revoke_token()
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elif key == "server-mode":
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server = self.get_server_info(self.server_id)
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return server['LastConnectionMode']
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return
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def __getitem__(self, key):
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return self.__shortcuts__(key)
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def clear_data(self):
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LOG.info("connection manager clearing data")
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self.user = None
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credentials = self.credentials.get_credentials()
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credentials['ConnectAccessToken'] = None
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credentials['ConnectUserId'] = None
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credentials['Servers'] = list()
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self.credentials.get_credentials(credentials)
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self.config.auth(None, None)
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def revoke_token(self):
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LOG.info("revoking token")
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self['server']['AccessToken'] = None
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self.credentials.get_credentials(self.credentials.get_credentials())
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self.config['auth.token'] = None
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def get_available_servers(self):
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LOG.info("Begin getAvailableServers")
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# Clone the credentials
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credentials = self.credentials.get_credentials()
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connect_servers = self._get_connect_servers(credentials)
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found_servers = self._find_servers(self._server_discovery())
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if not connect_servers and not found_servers and not credentials['Servers']: # back out right away, no point in continuing
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LOG.info("Found no servers")
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return list()
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servers = list(credentials['Servers'])
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self._merge_servers(servers, found_servers)
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self._merge_servers(servers, connect_servers)
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servers = self._filter_servers(servers, connect_servers)
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try:
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servers.sort(key=lambda x: datetime.strptime(x['DateLastAccessed'], "%Y-%m-%dT%H:%M:%SZ"), reverse=True)
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except TypeError:
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servers.sort(key=lambda x: datetime(*(time.strptime(x['DateLastAccessed'], "%Y-%m-%dT%H:%M:%SZ")[0:6])), reverse=True)
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credentials['Servers'] = servers
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self.credentials.get_credentials(credentials)
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return servers
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def login_to_connect(self, username, password):
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if not username:
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raise AttributeError("username cannot be empty")
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if not password:
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raise AttributeError("password cannot be empty")
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try:
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result = self._request_url({
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'type': "POST",
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'url': self.get_connect_url("user/authenticate"),
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'data': {
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'nameOrEmail': username,
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'password': self._get_connect_password_hash(password)
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},
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'dataType': "json"
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})
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except Exception as error: # Failed to login
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LOG.error(error)
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return False
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else:
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credentials = self.credentials.get_credentials()
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credentials['ConnectAccessToken'] = result['AccessToken']
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credentials['ConnectUserId'] = result['User']['Id']
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credentials['ConnectUser'] = result['User']['DisplayName']
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self.credentials.get_credentials(credentials)
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# Signed in
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self._on_connect_user_signin(result['User'])
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return result
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def login(self, server, username, password=None, clear=True, options={}):
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if not username:
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raise AttributeError("username cannot be empty")
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if not server:
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raise AttributeError("server cannot be empty")
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try:
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request = {
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'type': "POST",
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'url': self.get_emby_url(server, "Users/AuthenticateByName"),
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'json': {
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'username': username,
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'password': hashlib.sha1(password or "").hexdigest(),
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}
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}
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if clear:
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request['json']['pw'] = password or ""
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result = self._request_url(request, False)
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except Exception as error: # Failed to login
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LOG.error(error)
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return False
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else:
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self._on_authenticated(result, options)
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return result
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def connect_to_address(self, address, options={}):
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if not address:
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return False
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address = self._normalize_address(address)
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def _on_fail():
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LOG.error("connectToAddress %s failed", address)
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return self._resolve_failure()
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try:
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public_info = self._try_connect(address, options=options)
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except Exception:
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return _on_fail()
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else:
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LOG.info("connectToAddress %s succeeded", address)
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server = {
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'ManualAddress': address,
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'LastConnectionMode': CONNECTION_MODE['Manual']
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}
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self._update_server_info(server, public_info)
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server = self.connect_to_server(server, options)
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if server is False:
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return _on_fail()
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return server
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def connect_to_server(self, server, options={}):
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LOG.info("begin connectToServer")
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tests = []
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if server.get('LastConnectionMode') is not None:
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#tests.append(server['LastConnectionMode'])
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pass
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if CONNECTION_MODE['Manual'] not in tests:
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tests.append(CONNECTION_MODE['Manual'])
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if CONNECTION_MODE['Local'] not in tests:
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tests.append(CONNECTION_MODE['Local'])
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if CONNECTION_MODE['Remote'] not in tests:
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tests.append(CONNECTION_MODE['Remote'])
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# TODO: begin to wake server
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LOG.info("beginning connection tests")
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return self._test_next_connection_mode(tests, 0, server, options)
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def connect(self, options={}):
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LOG.info("Begin connect")
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return self._connect_to_servers(self.get_available_servers(), options)
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def connect_user(self):
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return self.user
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def connect_user_id(self):
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return self.credentials.get_credentials().get('ConnectUserId')
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def connect_token(self):
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return self.credentials.get_credentials().get('ConnectAccessToken')
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def emby_user_id(self):
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return self.get_server_info(self.server_id)['UserId']
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def emby_token(self):
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return self.get_server_info(self.server_id)['AccessToken']
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def get_server_info(self, server_id):
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if server_id is None:
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LOG.info("server_id is empty")
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return {}
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servers = self.credentials.get_credentials()['Servers']
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for server in servers:
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if server['Id'] == server_id:
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return server
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def get_public_users(self):
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return self.client.emby.get_public_users()
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def get_connect_url(self, handler):
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return "https://connect.emby.media/service/%s" % handler
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def get_emby_url(self, base, handler):
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return "%s/emby/%s" % (base, handler)
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def _request_url(self, request, headers=True):
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request['timeout'] = request.get('timeout') or self.timeout
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if headers:
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self._get_headers(request)
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try:
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return self.http.request(request)
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except Exception as error:
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LOG.error(error)
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raise
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def _add_app_info(self):
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return "%s/%s" % (self.config['app.name'], self.config['app.version'])
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def _get_headers(self, request):
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headers = request.setdefault('headers', {})
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if request.get('dataType') == "json":
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headers['Accept'] = "application/json"
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request.pop('dataType')
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headers['X-Application'] = self._add_app_info()
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headers['Content-type'] = request.get('contentType',
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'application/x-www-form-urlencoded; charset=UTF-8')
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def _connect_to_servers(self, servers, options):
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LOG.info("Begin connectToServers, with %s servers", len(servers))
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result = {}
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if len(servers) == 1:
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result = self.connect_to_server(servers[0], options)
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"""
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if result['State'] == CONNECTION_STATE['Unavailable']:
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result['State'] = CONNECTION_STATE['ConnectSignIn'] if result['ConnectUser'] is None else CONNECTION_STATE['ServerSelection']
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"""
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LOG.debug("resolving connectToServers with result['State']: %s", result)
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return result
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first_server = self._get_last_used_server()
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# See if we have any saved credentials and can auto sign in
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if first_server is not None and first_server['DateLastAccessed'] != "2001-01-01T00:00:00Z":
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result = self.connect_to_server(first_server, options)
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if result['State'] == CONNECTION_STATE['SignedIn']:
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return result
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# Return loaded credentials if exists
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credentials = self.credentials.get_credentials()
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self._ensure_connect_user(credentials)
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return {
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'Servers': servers,
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'State': CONNECTION_STATE['ConnectSignIn'] if (not len(servers) and not self.connect_user()) else (result.get('State') or CONNECTION_STATE['ServerSelection']),
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'ConnectUser': self.connect_user()
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}
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def _try_connect(self, url, timeout=None, options={}):
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url = self.get_emby_url(url, "system/info/public")
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LOG.info("tryConnect url: %s", url)
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return self._request_url({
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'type': "GET",
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'url': url,
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'dataType': "json",
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'timeout': timeout,
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'verify': options.get('ssl'),
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'retry': False
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})
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def _test_next_connection_mode(self, tests, index, server, options):
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if index >= len(tests):
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LOG.info("Tested all connection modes. Failing server connection.")
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return self._resolve_failure()
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mode = tests[index]
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address = get_server_address(server, mode)
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enable_retry = False
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skip_test = False
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timeout = self.timeout
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LOG.info("testing connection mode %s with server %s", mode, server.get('Name'))
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if mode == CONNECTION_MODE['Local']:
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enable_retry = True
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timeout = 8
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if self._string_equals_ignore_case(address, server.get('ManualAddress')):
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LOG.info("skipping LocalAddress test because it is the same as ManualAddress")
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skip_test = True
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elif mode == CONNECTION_MODE['Manual']:
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if self._string_equals_ignore_case(address, server.get('LocalAddress')):
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enable_retry = True
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timeout = 8
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if skip_test or not address:
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LOG.info("skipping test at index: %s", index)
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return self._test_next_connection_mode(tests, index + 1, server, options)
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try:
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result = self._try_connect(address, timeout, options)
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except Exception:
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LOG.error("test failed for connection mode %s with server %s", mode, server.get('Name'))
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if enable_retry:
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# TODO: wake on lan and retry
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return self._test_next_connection_mode(tests, index + 1, server, options)
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else:
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return self._test_next_connection_mode(tests, index + 1, server, options)
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else:
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if self._compare_versions(self._get_min_server_version(), result['Version']) == 1:
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LOG.warn("minServerVersion requirement not met. Server version: %s", result['Version'])
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return {
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'State': CONNECTION_STATE['ServerUpdateNeeded'],
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'Servers': [server]
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}
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else:
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LOG.info("calling onSuccessfulConnection with connection mode %s with server %s", mode, server.get('Name'))
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return self._on_successful_connection(server, result, mode, options)
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def _on_successful_connection(self, server, system_info, connection_mode, options):
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credentials = self.credentials.get_credentials()
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if credentials.get('ConnectAccessToken') and options.get('enableAutoLogin') is not False:
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if self._ensure_connect_user(credentials) is not False:
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if server.get('ExchangeToken'):
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self._add_authentication_info_from_connect(server, connection_mode, credentials, options)
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return self._after_connect_validated(server, credentials, system_info, connection_mode, True, options)
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def _resolve_failure(self):
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return {
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'State': CONNECTION_STATE['Unavailable'],
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'ConnectUser': self.connect_user()
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}
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def _get_min_server_version(self, val=None):
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if val is not None:
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self.min_server_version = val
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return self.min_server_version
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def _compare_versions(self, a, b):
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''' -1 a is smaller
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1 a is larger
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0 equal
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'''
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a = a.split('.')
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b = b.split('.')
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for i in range(0, max(len(a), len(b)), 1):
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try:
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aVal = a[i]
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except IndexError:
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aVal = 0
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try:
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bVal = b[i]
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except IndexError:
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bVal = 0
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if aVal < bVal:
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return -1
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if aVal > bVal:
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return 1
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return 0
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def _string_equals_ignore_case(self, str1, str2):
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return (str1 or "").lower() == (str2 or "").lower()
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def _get_connect_user(self, user_id, access_token):
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if not user_id:
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raise AttributeError("null userId")
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if not access_token:
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raise AttributeError("null accessToken")
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return self._request_url({
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'type': "GET",
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'url': self.get_connect_url('user?id=%s' % user_id),
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'dataType': "json",
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'headers': {
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'X-Connect-UserToken': access_token
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}
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})
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def _server_discovery(self):
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MULTI_GROUP = ("<broadcast>", 7359)
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MESSAGE = "who is EmbyServer?"
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sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
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sock.settimeout(1.0) # This controls the socket.timeout exception
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sock.setsockopt(socket.IPPROTO_IP, socket.IP_MULTICAST_TTL, 20)
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sock.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
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sock.setsockopt(socket.SOL_IP, socket.IP_MULTICAST_LOOP, 1)
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sock.setsockopt(socket.IPPROTO_IP, socket.SO_REUSEADDR, 1)
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LOG.debug("MultiGroup : %s", str(MULTI_GROUP))
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LOG.debug("Sending UDP Data: %s", MESSAGE)
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servers = []
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try:
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sock.sendto(MESSAGE, MULTI_GROUP)
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except Exception as error:
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LOG.error(error)
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return servers
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while True:
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try:
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data, addr = sock.recvfrom(1024) # buffer size
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servers.append(json.loads(data))
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except socket.timeout:
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LOG.info("Found Servers: %s", servers)
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return servers
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except Exception as e:
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LOG.error("Error trying to find servers: %s", e)
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return servers
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def _get_connect_servers(self, credentials):
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|
|
LOG.info("Begin getConnectServers")
|
|
|
|
servers = list()
|
|
|
|
if not credentials.get('ConnectAccessToken') or not credentials.get('ConnectUserId'):
|
|
return servers
|
|
|
|
url = self.get_connect_url("servers?userId=%s" % credentials['ConnectUserId'])
|
|
request = {
|
|
'type': "GET",
|
|
'url': url,
|
|
'dataType': "json",
|
|
'headers': {
|
|
'X-Connect-UserToken': credentials['ConnectAccessToken']
|
|
}
|
|
}
|
|
for server in self._request_url(request):
|
|
servers.append({
|
|
'ExchangeToken': server['AccessKey'],
|
|
'ConnectServerId': server['Id'],
|
|
'Id': server['SystemId'],
|
|
'Name': server['Name'],
|
|
'RemoteAddress': server['Url'],
|
|
'LocalAddress': server['LocalAddress'],
|
|
'UserLinkType': "Guest" if server['UserType'].lower() == "guest" else "LinkedUser",
|
|
})
|
|
|
|
return servers
|
|
|
|
def _get_last_used_server(self):
|
|
|
|
servers = self.credentials.get_credentials()['Servers']
|
|
|
|
if not len(servers):
|
|
return
|
|
|
|
try:
|
|
servers.sort(key=lambda x: datetime.strptime(x['DateLastAccessed'], "%Y-%m-%dT%H:%M:%SZ"), reverse=True)
|
|
except TypeError:
|
|
servers.sort(key=lambda x: datetime(*(time.strptime(x['DateLastAccessed'], "%Y-%m-%dT%H:%M:%SZ")[0:6])), reverse=True)
|
|
|
|
return servers[0]
|
|
|
|
def _merge_servers(self, list1, list2):
|
|
|
|
for i in range(0, len(list2), 1):
|
|
try:
|
|
self.credentials.add_update_server(list1, list2[i])
|
|
except KeyError:
|
|
continue
|
|
|
|
return list1
|
|
|
|
def _find_servers(self, found_servers):
|
|
|
|
servers = []
|
|
|
|
for found_server in found_servers:
|
|
|
|
server = self._convert_endpoint_address_to_manual_address(found_server)
|
|
|
|
info = {
|
|
'Id': found_server['Id'],
|
|
'LocalAddress': server or found_server['Address'],
|
|
'Name': found_server['Name']
|
|
} #TODO
|
|
info['LastConnectionMode'] = CONNECTION_MODE['Manual'] if info.get('ManualAddress') else CONNECTION_MODE['Local']
|
|
|
|
servers.append(info)
|
|
else:
|
|
return servers
|
|
|
|
def _filter_servers(self, servers, connect_servers):
|
|
|
|
filtered = list()
|
|
for server in servers:
|
|
if server.get('ExchangeToken') is None:
|
|
# It's not a connect server, so assume it's still valid
|
|
filtered.append(server)
|
|
continue
|
|
|
|
for connect_server in connect_servers:
|
|
if server['Id'] == connect_server['Id']:
|
|
filtered.append(server)
|
|
break
|
|
|
|
return filtered
|
|
|
|
def _convert_endpoint_address_to_manual_address(self, info):
|
|
|
|
if info.get('Address') and info.get('EndpointAddress'):
|
|
address = info['EndpointAddress'].split(':')[0]
|
|
|
|
# Determine the port, if any
|
|
parts = info['Address'].split(':')
|
|
if len(parts) > 1:
|
|
port_string = parts[len(parts)-1]
|
|
|
|
try:
|
|
address += ":%s" % int(port_string)
|
|
return self._normalize_address(address)
|
|
except ValueError:
|
|
pass
|
|
|
|
return None
|
|
|
|
def _normalize_address(self, address):
|
|
# Attempt to correct bad input
|
|
address = address.strip()
|
|
address = address.lower()
|
|
|
|
if 'http' not in address:
|
|
address = "http://%s" % address
|
|
|
|
return address
|
|
|
|
def _get_connect_password_hash(self, password):
|
|
|
|
password = self._clean_connect_password(password)
|
|
return hashlib.md5(password).hexdigest()
|
|
|
|
def _clean_connect_password(self, password):
|
|
|
|
password = password or ""
|
|
|
|
password = password.replace("&", '&')
|
|
password = password.replace("/", '\')
|
|
password = password.replace("!", '!')
|
|
password = password.replace("$", '$')
|
|
password = password.replace("\"", '"')
|
|
password = password.replace("<", '<')
|
|
password = password.replace(">", '>')
|
|
password = password.replace("'", ''')
|
|
|
|
return password
|
|
|
|
def _ensure_connect_user(self, credentials):
|
|
|
|
if self.user and self.user['Id'] == credentials['ConnectUserId']:
|
|
return
|
|
|
|
elif credentials.get('ConnectUserId') and credentials.get('ConnectAccessToken'):
|
|
self.user = None
|
|
|
|
try:
|
|
result = self._get_connect_user(credentials['ConnectUserId'], credentials['ConnectAccessToken'])
|
|
self._on_connect_user_signin(result)
|
|
except Exception:
|
|
return False
|
|
|
|
def _on_connect_user_signin(self, user):
|
|
|
|
self.user = user
|
|
LOG.info("connectusersignedin %s", user)
|
|
|
|
def _save_user_info_into_credentials(self, server, user):
|
|
|
|
info = {
|
|
'Id': user['Id'],
|
|
'IsSignedInOffline': True
|
|
}
|
|
self.credentials.add_update_user(server, info)
|
|
|
|
def _add_authentication_info_from_connect(self, server, connection_mode, credentials, options={}):
|
|
|
|
if not server.get('ExchangeToken'):
|
|
raise KeyError("server['ExchangeToken'] cannot be null")
|
|
|
|
if not credentials.get('ConnectUserId'):
|
|
raise KeyError("credentials['ConnectUserId'] cannot be null")
|
|
|
|
auth = "MediaBrowser "
|
|
auth += "Client=%s, " % self.config['app.name']
|
|
auth += "Device=%s, " % self.config['app.device_name']
|
|
auth += "DeviceId=%s, " % self.config['app.device_id']
|
|
auth += "Version=%s " % self.config['app.version']
|
|
|
|
try:
|
|
auth = self._request_url({
|
|
'url': self.get_emby_url(get_server_address(server, connection_mode), "Connect/Exchange"),
|
|
'type': "GET",
|
|
'dataType': "json",
|
|
'verify': options.get('ssl'),
|
|
'params': {
|
|
'ConnectUserId': credentials['ConnectUserId']
|
|
},
|
|
'headers': {
|
|
'X-MediaBrowser-Token': server['ExchangeToken'],
|
|
'X-Emby-Authorization': auth
|
|
}
|
|
})
|
|
except Exception:
|
|
server['UserId'] = None
|
|
server['AccessToken'] = None
|
|
return False
|
|
else:
|
|
server['UserId'] = auth['LocalUserId']
|
|
server['AccessToken'] = auth['AccessToken']
|
|
return auth
|
|
|
|
def _after_connect_validated(self, server, credentials, system_info, connection_mode, verify_authentication, options):
|
|
|
|
if options.get('enableAutoLogin') == False:
|
|
|
|
self.config['auth.user_id'] = server.pop('UserId', None)
|
|
self.config['auth.token'] = server.pop('AccessToken', None)
|
|
|
|
elif verify_authentication and server.get('AccessToken'):
|
|
|
|
if self._validate_authentication(server, connection_mode, options) is not False:
|
|
|
|
self.config['auth.user_id'] = server['UserId']
|
|
self.config['auth.token'] = server['AccessToken']
|
|
return self._after_connect_validated(server, credentials, system_info, connection_mode, False, options)
|
|
|
|
return self._resolve_failure()
|
|
|
|
self._update_server_info(server, system_info)
|
|
self.server_version = system_info['Version']
|
|
server['LastConnectionMode'] = connection_mode
|
|
|
|
if options.get('updateDateLastAccessed') is not False:
|
|
server['DateLastAccessed'] = datetime.now().strftime('%Y-%m-%dT%H:%M:%SZ')
|
|
|
|
self.credentials.add_update_server(credentials['Servers'], server)
|
|
self.credentials.get_credentials(credentials)
|
|
self.server_id = server['Id']
|
|
|
|
# Update configs
|
|
self.config['auth.server'] = get_server_address(server, connection_mode)
|
|
self.config['auth.server-name'] = server['Name']
|
|
self.config['auth.server=id'] = server['Id']
|
|
self.config['auth.ssl'] = options.get('ssl', self.config['auth.ssl'])
|
|
|
|
result = {
|
|
'Servers': [server],
|
|
'ConnectUser': self.connect_user()
|
|
}
|
|
|
|
result['State'] = CONNECTION_STATE['SignedIn'] if server.get('AccessToken') else CONNECTION_STATE['ServerSignIn']
|
|
# Connected
|
|
return result
|
|
|
|
def _validate_authentication(self, server, connection_mode, options={}):
|
|
|
|
try:
|
|
system_info = self._request_url({
|
|
'type': "GET",
|
|
'url': self.get_emby_url(get_server_address(server, connection_mode), "System/Info"),
|
|
'verify': options.get('ssl'),
|
|
'dataType': "json",
|
|
'headers': {
|
|
'X-MediaBrowser-Token': server['AccessToken']
|
|
}
|
|
})
|
|
self._update_server_info(server, system_info)
|
|
except Exception as error:
|
|
|
|
server['UserId'] = None
|
|
server['AccessToken'] = None
|
|
|
|
return False
|
|
|
|
def _update_server_info(self, server, system_info):
|
|
|
|
if server is None or system_info is None:
|
|
return
|
|
|
|
server['Name'] = system_info['ServerName']
|
|
server['Id'] = system_info['Id']
|
|
|
|
if system_info.get('LocalAddress'):
|
|
server['LocalAddress'] = system_info['LocalAddress']
|
|
if system_info.get('WanAddress'):
|
|
server['RemoteAddress'] = system_info['WanAddress']
|
|
if 'MacAddress' in system_info:
|
|
server['WakeOnLanInfos'] = [{'MacAddress': system_info['MacAddress']}]
|
|
|
|
def _on_authenticated(self, result, options={}):
|
|
|
|
credentials = self.credentials.get_credentials()
|
|
|
|
self.config['auth.user_id'] = result['User']['Id']
|
|
self.config['auth.token'] = result['AccessToken']
|
|
|
|
for server in credentials['Servers']:
|
|
if server['Id'] == result['ServerId']:
|
|
found_server = server
|
|
break
|
|
else: return # No server found
|
|
|
|
if options.get('updateDateLastAccessed') is not False:
|
|
found_server['DateLastAccessed'] = datetime.now().strftime('%Y-%m-%dT%H:%M:%SZ')
|
|
|
|
found_server['UserId'] = result['User']['Id']
|
|
found_server['AccessToken'] = result['AccessToken']
|
|
|
|
self.credentials.add_update_server(credentials['Servers'], found_server)
|
|
self._save_user_info_into_credentials(found_server, result['User'])
|
|
self.credentials.get_credentials(credentials)
|