# -*- coding: utf-8 -*- ################################################################################################# import json import logging import hashlib import socket import time from datetime import datetime from credentials import Credentials from http import HTTP ################################################################################################# LOG = logging.getLogger('Emby.'+__name__) CONNECTION_STATE = { 'Unavailable': 0, 'ServerSelection': 1, 'ServerSignIn': 2, 'SignedIn': 3, 'ConnectSignIn': 4, 'ServerUpdateNeeded': 5 } CONNECTION_MODE = { 'Local': 0, 'Remote': 1, 'Manual': 2 } ################################################################################################# def get_server_address(server, mode): modes = { CONNECTION_MODE['Local']: server.get('LocalAddress'), CONNECTION_MODE['Remote']: server.get('RemoteAddress'), CONNECTION_MODE['Manual']: server.get('ManualAddress') } return modes.get(mode) or server.get('ManualAddress', server.get('LocalAddress', server.get('RemoteAddress'))) class ConnectionManager(object): min_server_version = "3.0.5930" server_version = min_server_version user = {} server_id = None timeout = 10 def __init__(self, client): LOG.debug("ConnectionManager initializing...") self.client = client self.config = client.config self.credentials = Credentials() self.http = HTTP(client) def __shortcuts__(self, key): if key == "clear": return self.clear_data elif key == "servers": return self.get_available_servers() elif key in ("reconnect", "refresh"): return self.connect elif key == "login": return self.login elif key == "login-connect": return self.login_to_connect elif key == "connect-user": return self.connect_user() elif key == "connect-token": return self.connect_token() elif key == "connect-user-id": return self.connect_user_id() elif key == "server": return self.get_server_info(self.server_id) elif key == "server-id": return self.server_id elif key == "server-version": return self.server_version elif key == "user-id": return self.emby_user_id() elif key == "public-users": return self.get_public_users() elif key == "token": return self.emby_token() elif key == "manual-server": return self.connect_to_address elif key == "connect-to-server": return self.connect_to_server elif key == "server-address": server = self.get_server_info(self.server_id) return get_server_address(server, server['LastConnectionMode']) elif key == "revoke-token": return self.revoke_token() return def __getitem__(self, key): return self.__shortcuts__(key) def clear_data(self): LOG.info("connection manager clearing data") self.user = None credentials = self.credentials.get_credentials() credentials['ConnectAccessToken'] = None credentials['ConnectUserId'] = None credentials['Servers'] = list() self.credentials.get_credentials(credentials) self.config.auth(None, None) def revoke_token(self): LOG.info("revoking token") self['server']['AccessToken'] = None self.credentials.get_credentials(self.credentials.get_credentials()) self.config['auth.token'] = None def get_available_servers(self): LOG.info("Begin getAvailableServers") # Clone the credentials credentials = self.credentials.get_credentials() connect_servers = self._get_connect_servers(credentials) found_servers = self._find_servers(self._server_discovery()) if not connect_servers and not found_servers and not credentials['Servers']: # back out right away, no point in continuing LOG.info("Found no servers") return list() servers = list(credentials['Servers']) self._merge_servers(servers, found_servers) self._merge_servers(servers, connect_servers) servers = self._filter_servers(servers, connect_servers) 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) credentials['Servers'] = servers self.credentials.get_credentials(credentials) return servers def login_to_connect(self, username, password): if not username: raise AttributeError("username cannot be empty") if not password: raise AttributeError("password cannot be empty") try: result = self._request_url({ 'type': "POST", 'url': self.get_connect_url("user/authenticate"), 'data': { 'nameOrEmail': username, 'password': self._get_connect_password_hash(password) }, 'dataType': "json" }) except Exception as error: # Failed to login LOG.error(error) return False else: credentials = self.credentials.get_credentials() credentials['ConnectAccessToken'] = result['AccessToken'] credentials['ConnectUserId'] = result['User']['Id'] credentials['ConnectUser'] = result['User']['DisplayName'] self.credentials.get_credentials(credentials) # Signed in self._on_connect_user_signin(result['User']) return result def login(self, server, username, password="", options={}): if not username: raise AttributeError("username cannot be empty") if not server: raise AttributeError("server cannot be empty") try: result = self._request_url({ 'type': "POST", 'url': self.get_emby_url(server, "Users/AuthenticateByName"), 'json': { 'username': username, 'password': hashlib.sha1(password or "").hexdigest() } }, False) except Exception as error: # Failed to login LOG.error(error) return False else: self._on_authenticated(result, options) return result def connect_to_address(self, address, options={}): if not address: return False address = self._normalize_address(address) def _on_fail(): LOG.error("connectToAddress %s failed", address) return self._resolve_failure() try: public_info = self._try_connect(address, options=options) except Exception: return _on_fail() else: LOG.info("connectToAddress %s succeeded", address) server = { 'ManualAddress': address, 'LastConnectionMode': CONNECTION_MODE['Manual'] } self._update_server_info(server, public_info) server = self.connect_to_server(server, options) if server is False: return _on_fail() return server def connect_to_server(self, server, options={}): LOG.info("begin connectToServer") tests = [] if server.get('LastConnectionMode') is not None: #tests.append(server['LastConnectionMode']) pass if CONNECTION_MODE['Manual'] not in tests: tests.append(CONNECTION_MODE['Manual']) if CONNECTION_MODE['Local'] not in tests: tests.append(CONNECTION_MODE['Local']) if CONNECTION_MODE['Remote'] not in tests: tests.append(CONNECTION_MODE['Remote']) # TODO: begin to wake server LOG.info("beginning connection tests") return self._test_next_connection_mode(tests, 0, server, options) def connect(self, options={}): LOG.info("Begin connect") return self._connect_to_servers(self.get_available_servers(), options) def connect_user(self): return self.user def connect_user_id(self): return self.credentials.get_credentials().get('ConnectUserId') def connect_token(self): return self.credentials.get_credentials().get('ConnectAccessToken') def emby_user_id(self): return self.get_server_info(self.server_id)['UserId'] def emby_token(self): return self.get_server_info(self.server_id)['AccessToken'] def get_server_info(self, server_id): if server_id is None: LOG.info("server_id is empty") return {} servers = self.credentials.get_credentials()['Servers'] for server in servers: if server['Id'] == server_id: return server def get_public_users(self): return self.client.emby.get_public_users() def get_connect_url(self, handler): return "https://connect.emby.media/service/%s" % handler def get_emby_url(self, base, handler): return "%s/emby/%s" % (base, handler) def _request_url(self, request, headers=True): request['timeout'] = request.get('timeout') or self.timeout if headers: self._get_headers(request) try: return self.http.request(request) except Exception as error: LOG.error(error) raise def _add_app_info(self): return "%s/%s" % (self.config['app.name'], self.config['app.version']) def _get_headers(self, request): headers = request.setdefault('headers', {}) if request.get('dataType') == "json": headers['Accept'] = "application/json" request.pop('dataType') headers['X-Application'] = self._add_app_info() headers['Content-type'] = request.get('contentType', 'application/x-www-form-urlencoded; charset=UTF-8') def _connect_to_servers(self, servers, options): LOG.info("Begin connectToServers, with %s servers", len(servers)) result = {} if len(servers) == 1: result = self.connect_to_server(servers[0], options) """ if result['State'] == CONNECTION_STATE['Unavailable']: result['State'] = CONNECTION_STATE['ConnectSignIn'] if result['ConnectUser'] is None else CONNECTION_STATE['ServerSelection'] """ LOG.debug("resolving connectToServers with result['State']: %s", result) return result first_server = self._get_last_used_server() # See if we have any saved credentials and can auto sign in if first_server is not None and first_server['DateLastAccessed'] != "2001-01-01T00:00:00Z": result = self.connect_to_server(first_server, options) if result['State'] == CONNECTION_STATE['SignedIn']: return result # Return loaded credentials if exists credentials = self.credentials.get_credentials() self._ensure_connect_user(credentials) return { 'Servers': servers, 'State': CONNECTION_STATE['ConnectSignIn'] if (not len(servers) and not self.connect_user()) else (result.get('State') or CONNECTION_STATE['ServerSelection']), 'ConnectUser': self.connect_user() } def _try_connect(self, url, timeout=None, options={}): url = self.get_emby_url(url, "system/info/public") LOG.info("tryConnect url: %s", url) return self._request_url({ 'type': "GET", 'url': url, 'dataType': "json", 'timeout': timeout, 'verify': options.get('ssl'), 'retry': False }) def _test_next_connection_mode(self, tests, index, server, options): if index >= len(tests): LOG.info("Tested all connection modes. Failing server connection.") return self._resolve_failure() mode = tests[index] address = get_server_address(server, mode) enable_retry = False skip_test = False timeout = self.timeout LOG.info("testing connection mode %s with server %s", mode, server.get('Name')) if mode == CONNECTION_MODE['Local']: enable_retry = True timeout = 8 if self._string_equals_ignore_case(address, server.get('ManualAddress')): LOG.info("skipping LocalAddress test because it is the same as ManualAddress") skip_test = True elif mode == CONNECTION_MODE['Manual']: if self._string_equals_ignore_case(address, server.get('LocalAddress')): enable_retry = True timeout = 8 if skip_test or not address: LOG.info("skipping test at index: %s", index) return self._test_next_connection_mode(tests, index + 1, server, options) try: result = self._try_connect(address, timeout, options) except Exception: LOG.error("test failed for connection mode %s with server %s", mode, server.get('Name')) if enable_retry: # TODO: wake on lan and retry return self._test_next_connection_mode(tests, index + 1, server, options) else: return self._test_next_connection_mode(tests, index + 1, server, options) else: if self._compare_versions(self._get_min_server_version(), result['Version']) == 1: LOG.warn("minServerVersion requirement not met. Server version: %s", result['Version']) return { 'State': CONNECTION_STATE['ServerUpdateNeeded'], 'Servers': [server] } else: LOG.info("calling onSuccessfulConnection with connection mode %s with server %s", mode, server.get('Name')) return self._on_successful_connection(server, result, mode, options) def _on_successful_connection(self, server, system_info, connection_mode, options): credentials = self.credentials.get_credentials() if credentials.get('ConnectAccessToken') and options.get('enableAutoLogin') is not False: if self._ensure_connect_user(credentials) is not False: if server.get('ExchangeToken'): self._add_authentication_info_from_connect(server, connection_mode, credentials, options) return self._after_connect_validated(server, credentials, system_info, connection_mode, True, options) def _resolve_failure(self): return { 'State': CONNECTION_STATE['Unavailable'], 'ConnectUser': self.connect_user() } def _get_min_server_version(self, val=None): if val is not None: LOG.info("hello?") self.min_server_version = val return self.min_server_version def _compare_versions(self, a, b): ''' -1 a is smaller 1 a is larger 0 equal ''' a = a.split('.') b = b.split('.') for i in range(0, max(len(a), len(b)), 1): try: aVal = a[i] except IndexError: aVal = 0 try: bVal = b[i] except IndexError: bVal = 0 if aVal < bVal: return -1 if aVal > bVal: return 1 return 0 def _string_equals_ignore_case(self, str1, str2): return (str1 or "").lower() == (str2 or "").lower() def _get_connect_user(self, user_id, access_token): if not user_id: raise AttributeError("null userId") if not access_token: raise AttributeError("null accessToken") return self._request_url({ 'type': "GET", 'url': self.get_connect_url('user?id=%s' % user_id), 'dataType': "json", 'headers': { 'X-Connect-UserToken': access_token } }) def _server_discovery(self): MULTI_GROUP = ("", 7359) MESSAGE = "who is EmbyServer?" sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) sock.settimeout(1.0) # This controls the socket.timeout exception sock.setsockopt(socket.IPPROTO_IP, socket.IP_MULTICAST_TTL, 20) sock.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1) sock.setsockopt(socket.SOL_IP, socket.IP_MULTICAST_LOOP, 1) sock.setsockopt(socket.IPPROTO_IP, socket.SO_REUSEADDR, 1) LOG.debug("MultiGroup : %s", str(MULTI_GROUP)) LOG.debug("Sending UDP Data: %s", MESSAGE) servers = [] try: sock.sendto(MESSAGE, MULTI_GROUP) except Exception as error: LOG.error(error) return servers while True: try: data, addr = sock.recvfrom(1024) # buffer size servers.append(json.loads(data)) except socket.timeout: LOG.info("Found Servers: %s", servers) return servers except Exception as e: LOG.error("Error trying to find servers: %s", e) return servers def _get_connect_servers(self, credentials): 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: 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)