def _mastertoken_checks(self):
"""Perform checks to the MasterToken and executes a new key handshake when necessary"""
is_handshake_required = False
if self.crypto.mastertoken:
if self.crypto.is_current_mastertoken_expired():
common.debug(
'Stored MSL MasterToken is expired, a new key handshake will be performed'
)
is_handshake_required = True
else:
# Check if the current ESN is same of ESN bound to MasterToken
if G.get_esn() != self.crypto.bound_esn:
common.debug(
'Stored MSL MasterToken is bound to a different ESN, '
'a new key handshake will be performed')
is_handshake_required = True
else:
common.debug(
'MSL MasterToken is not available, a new key handshake will be performed'
)
is_handshake_required = True
if is_handshake_required:
if self.perform_key_handshake():
msl_data = json.loads(common.load_file_def(MSL_DATA_FILENAME))
self.crypto.load_msl_data(msl_data)
self.crypto.load_crypto_session(msl_data)
def release_license(self, data=None): # pylint: disable=unused-argument
"""Release the server license"""
try:
# When you try to play a video while another one is currently in playing,
# a new license to be released will be queued, so the oldest license must be released
url = self.licenses_release_url.pop()
sid = self.licenses_session_id.pop()
xid = self.licenses_xid.pop()
common.debug('Requesting releasing license')
params = [{
'url': url,
'params': {
'drmSessionId': sid,
'xid': xid
},
'echo': 'drmSessionId'
}]
response = self.msl_requests.chunked_request(
ENDPOINTS['license'],
self.msl_requests.build_request_data('/bundle', params),
G.get_esn())
common.debug('License release response: {}', response)
except IndexError:
# Example the supplemental media type have no license
common.debug('No license to release')
def bind_events(self):
"""Bind events"""
# I don't know the real purpose of its use, it seems to be requested after the license and before starting
# playback, and only the first time after a switch,
# in the response you can also understand if the msl switch has worked
common.debug('Requesting bind events')
response = self.msl_requests.chunked_request(
ENDPOINTS['events'],
self.msl_requests.build_request_data('/bind', {}),
G.get_esn(),
disable_msl_switch=False)
common.debug('Bind events response: {}', response)
def _show_only_forced_subtitle(self):
# Forced stream not found, then fix Kodi bug if user chose to apply the workaround
# Kodi bug???:
# If the kodi player is set with "forced only" subtitle setting, Kodi use this behavior:
# 1) try to select forced subtitle that matches audio language
# 2) if missing the forced subtitle in language, then
# Kodi try to select: The first "forced" subtitle or the first "regular" subtitle
# that can respect the chosen language or not, depends on the available streams
# So can cause a wrong subtitle language or in a permanent display of subtitles!
# This does not reflect the setting chosen in the Kodi player and is very annoying!
# There is no other solution than to disable the subtitles manually.
if self.legacy_kodi_version:
# --- ONLY FOR KODI VERSION 18 ---
# NOTE: With Kodi 18 it is not possible to read the properties of the streams
# so the only possible way is to read the data from the manifest file
audio_language = common.get_kodi_audio_language()
cache_identifier = G.get_esn() + '_' + self.videoid.value
manifest_data = G.CACHE.get(CACHE_MANIFESTS, cache_identifier)
common.fix_locale_languages(manifest_data['timedtexttracks'])
if not any(
text_track.get('isForcedNarrative', False) is True
and text_track['language'] == audio_language
for text_track in manifest_data['timedtexttracks']):
self.sc_settings.update({'subtitleenabled': False})
else:
# --- ONLY FOR KODI VERSION 19 ---
audio_language = common.get_kodi_audio_language(
iso_format=xbmc.ISO_639_2, use_fallback=False)
if audio_language == 'mediadefault':
# Find the language of the default audio track
audio_list = self.player_state.get(STREAMS['audio']['list'])
for audio_track in audio_list:
if audio_track['isdefault']:
audio_language = audio_track['language']
break
player_stream = self.player_state.get(
STREAMS['subtitle']['current'])
if player_stream is None:
return
if audio_language == 'original':
# Do nothing
is_language_appropriate = True
else:
is_language_appropriate = player_stream[
'language'] == audio_language
# Check if the current stream is forced and with an appropriate subtitle language
if not player_stream['isforced'] or not is_language_appropriate:
self.sc_settings.update({'subtitleenabled': False})
def perform_key_handshake(self, data=None): # pylint: disable=unused-argument
"""Perform a key handshake and initialize crypto keys"""
esn = G.get_esn()
if not esn:
common.warn('Cannot perform key handshake, missing ESN')
return False
common.info('Performing key handshake with ESN: {}',
common.censure(esn) if G.ADDON.getSetting('esn') else esn)
response = _process_json_response(
self._post(ENDPOINTS['manifest'], self.handshake_request(esn)))
header_data = self.decrypt_header_data(response['headerdata'], False)
self.crypto.parse_key_response(header_data, esn, True)
# Delete all the user id tokens (are correlated to the previous mastertoken)
self.crypto.clear_user_id_tokens()
common.debug('Key handshake successful')
return True
def load_manifest(self, viewable_id):
"""
Loads the manifests for the given viewable_id and returns a mpd-XML-Manifest
:param viewable_id: The id of of the viewable
:return: MPD XML Manifest or False if no success
"""
try:
manifest = self._load_manifest(viewable_id, G.get_esn())
except MSLError as exc:
if 'Email or password is incorrect' in G.py2_decode(str(exc)):
# Known cases when MSL error "Email or password is incorrect." can happen:
# - If user change the password when the nf session was still active
# - Netflix has reset the password for suspicious activity when the nf session was still active
# Then clear the credentials and also user tokens.
common.purge_credentials()
self.msl_requests.crypto.clear_user_id_tokens()
raise
return self.__tranform_to_dash(manifest)
def _get_owner_user_id_token(self):
"""A way to get the user token id of owner profile"""
# In order to get a user id token of another (non-owner) profile you must make a request with SWITCH_PROFILE
# authentication scheme (a custom authentication for netflix), and this request can be directly included
# in the MSL manifest request.
# But in order to execute this switch profile, you need to have the user id token of the main (owner) profile.
# The only way (found to now) to get it immediately, is send a logblob event request, and save the
# user id token obtained in the response.
common.debug('Requesting logblog')
params = {'reqAttempt': 1, 'reqPriority': 0, 'reqName': EVENT_BIND}
url = ENDPOINTS['logblobs'] + '?' + urlencode(params).replace(
'%2F', '/')
response = self.chunked_request(url,
self.build_request_data(
'/logblob',
generate_logblobs_params()),
G.get_esn(),
force_auth_credential=True)
common.debug('Response of logblob request: {}', response)
def _process_event_request(self, event):
"""Do the event post request"""
event.status = Event.STATUS_REQUESTED
# Request attempts can be made up to a maximum of 3 times per event
while event.is_attempts_granted():
common.info('EVENT [{}] - Executing request (attempt {})', event,
event.req_attempt)
params = {
'reqAttempt': event.req_attempt,
'reqPriority': 20 if event.event_type == EVENT_START else 0,
'reqName': 'events/{}'.format(event)
}
url = ENDPOINTS['events'] + '?' + urlencode(params).replace(
'%2F', '/')
try:
response = self.chunked_request(url,
event.request_data,
G.get_esn(),
disable_msl_switch=False)
event.set_response(response)
break
except Exception as exc: # pylint: disable=broad-except
common.error('EVENT [{}] - The request has failed: {}', event,
exc)
if event.event_type == EVENT_STOP:
self.clear_queue()
if event.event_data['allow_request_update_loco']:
# Calls to nfsession
common.make_http_call('update_loco_context',
{'context_name': 'continueWatching'})
common.make_http_call('update_videoid_bookmark',
{'video_id': event.get_video_id()})
# Below commented lines: let future requests continue to be sent, unstable connections like wi-fi cause problems
# if not event.is_response_success():
# The event request is unsuccessful then there is some problem,
# no longer make any future requests from this event id
# return False
return True
def get_license(self, challenge, sid):
"""
Requests and returns a license for the given challenge and sid
:param challenge: The base64 encoded challenge
:param sid: The sid paired to the challenge
:return: Base64 representation of the license key or False unsuccessful
"""
common.debug('Requesting license')
timestamp = int(time.time() * 10000)
xid = str(timestamp + 1610)
params = [{
'drmSessionId': sid,
'clientTime': int(timestamp / 10000),
'challengeBase64': challenge,
'xid': xid
}]
self.manifest_challenge = challenge
endpoint_url = ENDPOINTS[
'license'] + '?reqAttempt=1&reqPriority=0&reqName=prefetch/license'
response = self.msl_requests.chunked_request(
endpoint_url,
self.msl_requests.build_request_data(self.last_license_url, params,
'drmSessionId'), G.get_esn())
# This xid must be used also for each future Event request, until playback stops
G.LOCAL_DB.set_value('xid', xid, TABLE_SESSION)
self.licenses_xid.insert(0, xid)
self.licenses_session_id.insert(0, sid)
self.licenses_release_url.insert(
0, response[0]['links']['releaseLicense']['href'])
if self.msl_requests.msl_switch_requested:
self.msl_requests.msl_switch_requested = False
self.bind_events()
return response[0]['licenseResponseBase64']
def view_esn(self, pathitems=None): # pylint: disable=unused-argument
"""Show the ESN in use"""
ui.show_ok_dialog(common.get_local_string(30016), G.get_esn())
def get_manifest(videoid):
"""Get the manifest from cache"""
cache_identifier = G.get_esn() + '_' + videoid.value
return G.CACHE.get(CACHE_MANIFESTS, cache_identifier)
def load_msl_data(self, msl_data=None):
self._msl_data = msl_data if msl_data else {}
if msl_data:
self.set_mastertoken(msl_data['tokens']['mastertoken'])
self.bound_esn = msl_data.get('bound_esn', G.get_esn())
def _verify_esn_existence():
return bool(G.get_esn())
