jellyfin-kodi/resources/lib/jellyfin/core/connection_manager.py

594 lines
19 KiB
Python

# -*- coding: utf-8 -*-
#################################################################################################
import json
import logging
import socket
import time
from datetime import datetime
from distutils.version import LooseVersion
import urllib3
from credentials import Credentials
from http import HTTP
#################################################################################################
LOG = logging.getLogger('JELLYFIN.'+__name__)
CONNECTION_STATE = {
'Unavailable': 0,
'ServerSelection': 1,
'ServerSignIn': 2,
'SignedIn': 3,
'ServerUpdateNeeded': 5
}
CONNECTION_MODE = {
'Local': 0,
'Manual': 2
}
#################################################################################################
def get_server_address(server, mode):
modes = {
CONNECTION_MODE['Local']: server.get('LocalAddress'),
CONNECTION_MODE['Manual']: server.get('ManualAddress')
}
return modes.get(mode) or server.get('ManualAddress', server.get('LocalAddress'))
class ConnectionManager(object):
min_server_version = "10.1.0"
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 clear_data(self):
LOG.info("connection manager clearing data")
self.user = None
credentials = self.credentials.get_credentials()
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.data['auth.token'] = None
def get_available_servers(self):
LOG.info("Begin getAvailableServers")
# Clone the credentials
credentials = self.credentials.get_credentials()
found_servers = self._find_servers(self._server_discovery())
if 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)
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(self, server, username, password=None, clear=True, options={}):
if not username:
raise AttributeError("username cannot be empty")
if not server:
raise AttributeError("server cannot be empty")
try:
request = {
'type': "POST",
'url': self.get_jellyfin_url(server, "Users/AuthenticateByName"),
'json': {
'Username': username,
'Pw': password or ""
}
}
result = self._request_url(request, False)
except Exception as error: # Failed to login
LOG.exception(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 as error:
LOG.exception(error)
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 and server.get('AccessToken'):
tests.append(server['LastConnectionMode'])
if CONNECTION_MODE['Manual'] not in tests:
tests.append(CONNECTION_MODE['Manual'])
if CONNECTION_MODE['Local'] not in tests:
tests.append(CONNECTION_MODE['Local'])
# TODO: begin to wake server
LOG.info("beginning connection tests")
return self._test_next_connection_mode(tests, 0, server, options)
def get_server_address(self, server, mode): #TODO: De-duplicated (Duplicated from above when getting rid of shortcuts)
modes = {
CONNECTION_MODE['Local']: server.get('LocalAddress'),
CONNECTION_MODE['Manual']: server.get('ManualAddress')
}
return modes.get(mode) or server.get('ManualAddress', server.get('LocalAddress'))
def connect(self, options={}):
LOG.info("Begin connect")
return self._connect_to_servers(self.get_available_servers(), options)
def jellyfin_user_id(self):
return self.get_server_info(self.server_id)['UserId']
def jellyfin_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.jellyfin.get_public_users()
def get_jellyfin_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.exception(error)
raise
def _add_app_info(self):
return "%s/%s" % (self.config.data['app.name'], self.config.data['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)
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'] in (CONNECTION_STATE['SignedIn'], CONNECTION_STATE['Unavailable']):
return result
# Return loaded credentials if exists
credentials = self.credentials.get_credentials()
return {
'Servers': servers,
'State': result.get('State') or CONNECTION_STATE['ServerSelection'],
}
def _try_connect(self, url, timeout=None, options={}):
url = self.get_jellyfin_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.exception("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.warning("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()
return self._after_connect_validated(server, credentials, system_info, connection_mode, True, options)
def _resolve_failure(self):
return {
'State': CONNECTION_STATE['Unavailable']
}
def _get_min_server_version(self, val=None):
if val is not None:
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 = LooseVersion(a)
b = LooseVersion(b)
if a < b:
return -1
if a > b:
return 1
return 0
def _string_equals_ignore_case(self, str1, str2):
return (str1 or "").lower() == (str2 or "").lower()
def _server_discovery(self):
MULTI_GROUP = ("<broadcast>", 7359)
MESSAGE = "who is JellyfinServer?"
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.exception(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.exception("Error trying to find servers: %s", e)
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 _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
url = urllib3.util.parse_url(address.strip())
if url.scheme is None:
url = url._replace(scheme='http')
if url.scheme == 'http' and url.port == 80:
url = url._replace(port=None)
if url.scheme == 'https' and url.port == 443:
url = url._replace(port=None)
return url.url
def _save_user_info_into_credentials(self, server, user):
info = {
'Id': user['Id'],
'IsSignedInOffline': True
}
self.credentials.add_update_user(server, info)
def _after_connect_validated(self, server, credentials, system_info, connection_mode, verify_authentication, options):
if options.get('enableAutoLogin') == False:
self.config.data['auth.user_id'] = server.pop('UserId', None)
self.config.data['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.data['auth.user_id'] = server['UserId']
self.config.data['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.data['auth.server'] = get_server_address(server, connection_mode)
self.config.data['auth.server-name'] = server['Name']
self.config.data['auth.server=id'] = server['Id']
self.config.data['auth.ssl'] = options.get('ssl', self.config.data['auth.ssl'])
result = {
'Servers': [server]
}
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_jellyfin_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:
LOG.exception(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 'MacAddress' in system_info:
server['WakeOnLanInfos'] = [{'MacAddress': system_info['MacAddress']}]
def _on_authenticated(self, result, options={}):
credentials = self.credentials.get_credentials()
self.config.data['auth.user_id'] = result['User']['Id']
self.config.data['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)