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itv_account.py
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itv_account.py
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# ----------------------------------------------------------------------------------------------------------------------
# Copyright (c) 2022-2023 Dimitri Kroon.
# This file is part of plugin.video.viwx.
# SPDX-License-Identifier: GPL-2.0-or-later
# See LICENSE.txt
# ----------------------------------------------------------------------------------------------------------------------
import time
import os
import json
import logging
from codequick.support import logger_id
from . import utils
from . import fetch
from . import kodi_utils
from .errors import *
logger = logging.getLogger(logger_id + '.account')
SESS_DATA_VERS = 2
class ItvSession:
def __init__(self):
self.account_data = {}
self.read_account_data()
@property
def access_token(self):
"""Return the cached access token, but refresh first if it has expired.
Raise AuthenticationError when the token is not present.
"""
try:
if self.account_data['refreshed'] < time.time() - 4 * 3600:
# renew tokens periodically
logger.debug("Token cache time has expired.")
self.refresh()
return self.account_data['itv_session']['access_token']
except (KeyError, TypeError):
logger.debug("Cannot produce access token from account data: %s", self.account_data)
raise AuthenticationError
@property
def cookie(self):
"""Return a dict containing the cookie required for authentication"""
try:
if self.account_data['refreshed'] < time.time() - 2 * 3600:
# renew tokens periodically
self.refresh()
return self.account_data['cookies']
except (KeyError, TypeError):
logger.debug("Cannot produce cookies from account data: %s", self.account_data)
raise AuthenticationError
def read_account_data(self):
session_file = os.path.join(utils.addon_info.profile, "itv_session")
logger.debug("Reading account data from file: %s", session_file)
try:
with open(session_file, 'r') as f:
acc_data = json.load(f)
except (OSError, IOError, ValueError) as err:
logger.error("Failed to read account data: %r" % err)
self.account_data = {}
return
if acc_data.get('vers') != SESS_DATA_VERS:
logger.info("Converting account data from version '%s' to version '%s'",
acc_data.get('vers'), SESS_DATA_VERS)
self.account_data = convert_session_data(acc_data)
self.save_account_data()
else:
self.account_data = acc_data
def save_account_data(self):
session_file = os.path.join(utils.addon_info.profile, "itv_session")
data_str = json.dumps(self.account_data)
with open(session_file, 'w') as f:
f.write(data_str)
logger.info("ITV account data saved to file")
def login(self, uname: str, passw: str):
"""Sign in to itv account with `uname` and `passw`.
Returns True on success, raises exception on failure.
Raises AuthenticationError if login fails, or other exceptions as they occur, like e.g. FetchError.
"""
self.account_data = {}
req_data = {
'grant_type': 'password',
'nonce': utils.random_string(20),
'username': uname,
'password': passw,
'scope': 'content'
}
logger.info("Trying to sign in to ITV account")
try:
# Post credentials
session_data = fetch.post_json(
'https://auth.prd.user.itv.com/auth',
req_data,
headers={'Accept': 'application/vnd.user.auth.v2+json',
'Akamai-BM-Telemetry': 'a=&&&e=QzNGMDA0RjYzRDkxQ0IxOTgzOTg1NTYzNURDMkJEMjl+WUFBUU5NWWN1S2p0cHl1TEFRQUFJcUNhTkJXaWlSczVGWHRaWUtKRWdCd0VyWDI0L0ZiY051QkZwYUwyWTZldUxkWVQxYTNJSnRtQWxnQkh3UTA1MGt0cWVkR2t4YTVlbzZhZ2VhN1h0QjVTQXZDOE5CYkZsa3Y3cXJZbzB1WGJXbXd3cFlSQkZDeUNTUVZGNWRpTXQwc1RCWm84UGxGVEEvTVF5ZHlJemlob0NuSXpJMFpHRkVjVVJWNndockRLL0xnRzJLZ2poYVdiNDBTYitROW5oRjd3S2JoZW13eEVOazBnWFVJd2ZiRGNYSXNGbG5IUFZZWWswQUl6WWw4SHZ6d0xZaE45V1g3QmlTSnlBcDl3blhFVzVOSm5lbWNBemdYcVlhZzdwRDQ9fjM2ODc3NDV+MzQyMDcyMw==&&&sensor_data=2;3687745;3420723;51,1,0,3,7,144;@ct!5<%NXRG|jFjgYKgceeq[! XBK_A0Rc65Ycf5S^bq2T%w=9X*7`Z`-dYT8~Kk:~u~dyl^o7jis_#kLSea<T^79QMQUy4Wpqdr|ak.o[m8CrC@r4`KuFE]!~L+*NxEuCu9`Ua;!#Cv2{q.uY=)EJZ`D}&de{^m2aPoGFw=J~3oD9|8s@M;z6:Od@Hb~F}EYH+[3ZsT8YpL{vKp#,]b5}MeWPWn4hQ#tX,]5=`A=_xP8)1R?Q?bF BSN5cgK%dEkQ;uq->F-Tq]=E13%8/%s`xD;.TvR#vUQ,1^?ax}s>mX8E(e) >TC-MrykAX_Q4<?ovlt>x6K$B=A>Jv?$%yQLe~ICz=,gdSWIH)}CjmP,Y~o$w/CWgihR&dsvU!m_]PGMO7(^#,?zTD7U[z%QWtjh<%9Bk@6$4+:17$([&;EPC2i3?ad:GccdR$@K-mn]cVwm$ome+7N@{%5Mf2;.bmNUI2HTFutr!$MIdZZ1&AQ@5E>lrNiK^!/:*x?L=04#;Idr%/-r_vC:(<?v5j6h!Sjva[<E2&-,EP(5LKdM9i2!v1F~5y>(=s-G80`.tls}Mc6Gqt q_<ZeYw2g0xC%[3O]ab-ZeH~~Bc0OjvA/1]&35NnK Iy7/i&$M.-_.WB24S}jp, F}x}/<-#5b]-+Z=g4,AGM&%#^:Y;.1vm@!#fv,Ls^2=teE$V04S%noxLc<cFcPh0CF/gx9b8*[gBIwtBu(A}h((Ux_2$;(M|6F3o}6{S>3(uj[C(a{:~u)(i2|R?jIX81PI[ 6lXH6E:5.+U9Zwe]w$e.|WP$w>*7`TNn/pBQAJDO=G}l%WS?c{Ul)s]>,d@_2 z; ];=3LGP^P97R ! 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W]L1E4o33.NJ;b+4m#ePcwZOf|M}]E3dGuXa~n_~4$fjVLIH^tAO*<!{MZ.(7N}hD)es=2.En_4=}9>yk}y`CY@:d*h=.xwSG asIF@^+#Yeb&x(!!kX.VZW:D!he?N3-_I{HPCwC6-,0AM^efaN,SsFZQ?1+ptctI<]159oL==VB%Sa-K>>pMGU*yM/^t-osRFPa^2dMM<_g)4L_xnxW-@J0aVEM=OKu.arTdu[<<;K(se'
}
)
self.account_data = {
'vers': SESS_DATA_VERS,
'refreshed': time.time(),
'itv_session': session_data,
'cookies': {'Itv.Session': build_cookie(session_data)}
}
except FetchError as e:
# Testing showed that itv hub can return various HTTP status codes on a failed sign in attempt.
# Sometimes returning a json string containing the reason of failure, sometimes and HTML page.
logger.error("Error signing in to ITV account: %r" % e)
if isinstance(e, AuthenticationError) or (isinstance(e, HttpError) and e.code in (400, 401, 403)):
logger.info("Sign in failed: %r", e)
raise AuthenticationError(str(e)) from None
else:
raise
else:
logger.info("Sign in successful")
self.save_account_data()
return True
def refresh(self):
"""Refresh tokens.
Perform a get request with the current renew token in the param string. ITV hub will
return a json formatted string containing a new access token and a new renew-token.
"""
logger.debug("Refreshing ITV account tokens...")
try:
token = self.account_data['itv_session']['refresh_token']
url = 'https://auth.prd.user.itv.com/token?grant_type=refresh_token&' \
'token=content_token refresh_token&refresh=' + token
# Refresh requests require no authorization header and no cookies at all
resp = fetch.get_json(
url,
headers={'Accept': 'application/vnd.user.auth.v2+json'},
timeout=10
)
new_tokens = resp
session_data = self.account_data['itv_session']
session_data.update(new_tokens)
sess_cookie_str = build_cookie(session_data)
logger.debug("New Itv.Session cookie: %s" % sess_cookie_str)
self.account_data['cookies']['Itv.Session'] = sess_cookie_str
self.account_data['refreshed'] = time.time()
self.save_account_data()
return True
except (KeyError, ValueError, FetchError) as e:
logger.warning("Failed to refresh ITVtokens - %s: %s" % (type(e), e))
except TypeError:
logger.warning("Failed to refresh ITV tokens - No account data present.")
return False
def log_out(self):
self.account_data = {}
self.save_account_data()
return True
def build_cookie(session_data):
cookiestr = json.dumps({
'sticky': True,
'tokens': {'content': session_data}
})
return cookiestr
_itv_session_obj = None
def itv_session():
global _itv_session_obj
if _itv_session_obj is None:
_itv_session_obj = ItvSession()
return _itv_session_obj
def fetch_authenticated(funct, url, **kwargs):
"""Call one of the fetch function with user authentication.
Call the specified function with authentication header and return the result.
If the server responds with an authentication error, refresh tokens, or
login and try once again.
To prevent headers argument to turn up as both positional and keyword argument,
accept keyword arguments only, apart from the callable and url.
"""
account = itv_session()
logger.debug("making authenticated request")
for tries in range(2):
try:
cookies = kwargs.setdefault('cookies', {})
cookies.update(account.cookie)
return funct(url=url, **kwargs)
except AuthenticationError:
if tries == 0:
logger.debug("Authentication failed on first attempt")
if account.refresh() is False:
logger.debug("")
from . import settings
if not (kodi_utils.show_msg_not_logged_in() and settings.login()):
raise
else:
logger.warning("Authentication failed on second attempt")
raise AccessRestrictedError
def convert_session_data(acc_data: dict) -> dict:
acc_data['vers'] = SESS_DATA_VERS
sess_data = acc_data.get('itv_session', '')
acc_data['cookies'] = {'Itv.Session': build_cookie(sess_data)}
acc_data.pop('passw', None)
acc_data.pop('uname', None)
return acc_data