diff options
Diffstat (limited to 'hypervideo_dl/extractor/goplay.py')
| -rw-r--r-- | hypervideo_dl/extractor/goplay.py | 394 |
1 files changed, 394 insertions, 0 deletions
diff --git a/hypervideo_dl/extractor/goplay.py b/hypervideo_dl/extractor/goplay.py new file mode 100644 index 0000000..2882b49 --- /dev/null +++ b/hypervideo_dl/extractor/goplay.py @@ -0,0 +1,394 @@ +import base64 +import binascii +import datetime +import hashlib +import hmac +import json +import os + +from .common import InfoExtractor +from ..utils import ( + ExtractorError, + traverse_obj, + unescapeHTML, +) + + +class GoPlayIE(InfoExtractor): + _VALID_URL = r'https?://(www\.)?goplay\.be/video/([^/]+/[^/]+/|)(?P<display_id>[^/#]+)' + + _NETRC_MACHINE = 'goplay' + + _TESTS = [{ + 'url': 'https://www.goplay.be/video/de-container-cup/de-container-cup-s3/de-container-cup-s3-aflevering-2#autoplay', + 'info_dict': { + 'id': '9c4214b8-e55d-4e4b-a446-f015f6c6f811', + 'ext': 'mp4', + 'title': 'S3 - Aflevering 2', + 'series': 'De Container Cup', + 'season': 'Season 3', + 'season_number': 3, + 'episode': 'Episode 2', + 'episode_number': 2, + }, + 'skip': 'This video is only available for registered users' + }, { + 'url': 'https://www.goplay.be/video/a-family-for-thr-holidays-s1-aflevering-1#autoplay', + 'info_dict': { + 'id': '74e3ed07-748c-49e4-85a0-393a93337dbf', + 'ext': 'mp4', + 'title': 'A Family for the Holidays', + }, + 'skip': 'This video is only available for registered users' + }] + + _id_token = None + + def _perform_login(self, username, password): + self.report_login() + aws = AwsIdp(ie=self, pool_id='eu-west-1_dViSsKM5Y', client_id='6s1h851s8uplco5h6mqh1jac8m') + self._id_token, _ = aws.authenticate(username=username, password=password) + + def _real_initialize(self): + if not self._id_token: + raise self.raise_login_required(method='password') + + def _real_extract(self, url): + url, display_id = self._match_valid_url(url).group(0, 'display_id') + webpage = self._download_webpage(url, display_id) + video_data_json = self._html_search_regex(r'<div\s+data-hero="([^"]+)"', webpage, 'video_data') + video_data = self._parse_json(unescapeHTML(video_data_json), display_id).get('data') + + movie = video_data.get('movie') + if movie: + video_id = movie['videoUuid'] + info_dict = { + 'title': movie.get('title') + } + else: + episode = traverse_obj(video_data, ('playlists', ..., 'episodes', lambda _, v: v['pageInfo']['url'] == url), get_all=False) + video_id = episode['videoUuid'] + info_dict = { + 'title': episode.get('episodeTitle'), + 'series': traverse_obj(episode, ('program', 'title')), + 'season_number': episode.get('seasonNumber'), + 'episode_number': episode.get('episodeNumber'), + } + + api = self._download_json( + f'https://api.viervijfzes.be/content/{video_id}', + video_id, headers={'Authorization': self._id_token}) + + formats, subs = self._extract_m3u8_formats_and_subtitles( + api['video']['S'], video_id, ext='mp4', m3u8_id='HLS') + + info_dict.update({ + 'id': video_id, + 'formats': formats, + }) + + return info_dict + + +# Taken from https://github.com/add-ons/plugin.video.viervijfzes/blob/master/resources/lib/viervijfzes/auth_awsidp.py +# Released into Public domain by https://github.com/michaelarnauts + +class InvalidLoginException(ExtractorError): + """ The login credentials are invalid """ + + +class AuthenticationException(ExtractorError): + """ Something went wrong while logging in """ + + +class AwsIdp: + """ AWS Identity Provider """ + + def __init__(self, ie, pool_id, client_id): + """ + :param InfoExtrator ie: The extractor that instantiated this class. + :param str pool_id: The AWS user pool to connect to (format: <region>_<poolid>). + E.g.: eu-west-1_aLkOfYN3T + :param str client_id: The client application ID (the ID of the application connecting) + """ + + self.ie = ie + + self.pool_id = pool_id + if "_" not in self.pool_id: + raise ValueError("Invalid pool_id format. Should be <region>_<poolid>.") + + self.client_id = client_id + self.region = self.pool_id.split("_")[0] + self.url = "https://cognito-idp.%s.amazonaws.com/" % (self.region,) + + # Initialize the values + # https://github.com/aws/amazon-cognito-identity-js/blob/master/src/AuthenticationHelper.js#L22 + self.n_hex = 'FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD1' + \ + '29024E088A67CC74020BBEA63B139B22514A08798E3404DD' + \ + 'EF9519B3CD3A431B302B0A6DF25F14374FE1356D6D51C245' + \ + 'E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7ED' + \ + 'EE386BFB5A899FA5AE9F24117C4B1FE649286651ECE45B3D' + \ + 'C2007CB8A163BF0598DA48361C55D39A69163FA8FD24CF5F' + \ + '83655D23DCA3AD961C62F356208552BB9ED529077096966D' + \ + '670C354E4ABC9804F1746C08CA18217C32905E462E36CE3B' + \ + 'E39E772C180E86039B2783A2EC07A28FB5C55DF06F4C52C9' + \ + 'DE2BCBF6955817183995497CEA956AE515D2261898FA0510' + \ + '15728E5A8AAAC42DAD33170D04507A33A85521ABDF1CBA64' + \ + 'ECFB850458DBEF0A8AEA71575D060C7DB3970F85A6E1E4C7' + \ + 'ABF5AE8CDB0933D71E8C94E04A25619DCEE3D2261AD2EE6B' + \ + 'F12FFA06D98A0864D87602733EC86A64521F2B18177B200C' + \ + 'BBE117577A615D6C770988C0BAD946E208E24FA074E5AB31' + \ + '43DB5BFCE0FD108E4B82D120A93AD2CAFFFFFFFFFFFFFFFF' + + # https://github.com/aws/amazon-cognito-identity-js/blob/master/src/AuthenticationHelper.js#L49 + self.g_hex = '2' + self.info_bits = bytearray('Caldera Derived Key', 'utf-8') + + self.big_n = self.__hex_to_long(self.n_hex) + self.g = self.__hex_to_long(self.g_hex) + self.k = self.__hex_to_long(self.__hex_hash('00' + self.n_hex + '0' + self.g_hex)) + self.small_a_value = self.__generate_random_small_a() + self.large_a_value = self.__calculate_a() + + def authenticate(self, username, password): + """ Authenticate with a username and password. """ + # Step 1: First initiate an authentication request + auth_data_dict = self.__get_authentication_request(username) + auth_data = json.dumps(auth_data_dict).encode("utf-8") + auth_headers = { + "X-Amz-Target": "AWSCognitoIdentityProviderService.InitiateAuth", + "Accept-Encoding": "identity", + "Content-Type": "application/x-amz-json-1.1" + } + auth_response_json = self.ie._download_json( + self.url, None, data=auth_data, headers=auth_headers, + note='Authenticating username', errnote='Invalid username') + challenge_parameters = auth_response_json.get("ChallengeParameters") + + if auth_response_json.get("ChallengeName") != "PASSWORD_VERIFIER": + raise AuthenticationException(auth_response_json["message"]) + + # Step 2: Respond to the Challenge with a valid ChallengeResponse + challenge_request = self.__get_challenge_response_request(challenge_parameters, password) + challenge_data = json.dumps(challenge_request).encode("utf-8") + challenge_headers = { + "X-Amz-Target": "AWSCognitoIdentityProviderService.RespondToAuthChallenge", + "Content-Type": "application/x-amz-json-1.1" + } + auth_response_json = self.ie._download_json( + self.url, None, data=challenge_data, headers=challenge_headers, + note='Authenticating password', errnote='Invalid password') + + if 'message' in auth_response_json: + raise InvalidLoginException(auth_response_json['message']) + return ( + auth_response_json['AuthenticationResult']['IdToken'], + auth_response_json['AuthenticationResult']['RefreshToken'] + ) + + def __get_authentication_request(self, username): + """ + + :param str username: The username to use + + :return: A full Authorization request. + :rtype: dict + """ + auth_request = { + "AuthParameters": { + "USERNAME": username, + "SRP_A": self.__long_to_hex(self.large_a_value) + }, + "AuthFlow": "USER_SRP_AUTH", + "ClientId": self.client_id + } + return auth_request + + def __get_challenge_response_request(self, challenge_parameters, password): + """ Create a Challenge Response Request object. + + :param dict[str,str|imt] challenge_parameters: The parameters for the challenge. + :param str password: The password. + + :return: A valid and full request data object to use as a response for a challenge. + :rtype: dict + """ + user_id = challenge_parameters["USERNAME"] + user_id_for_srp = challenge_parameters["USER_ID_FOR_SRP"] + srp_b = challenge_parameters["SRP_B"] + salt = challenge_parameters["SALT"] + secret_block = challenge_parameters["SECRET_BLOCK"] + + timestamp = self.__get_current_timestamp() + + # Get a HKDF key for the password, SrpB and the Salt + hkdf = self.__get_hkdf_key_for_password( + user_id_for_srp, + password, + self.__hex_to_long(srp_b), + salt + ) + secret_block_bytes = base64.standard_b64decode(secret_block) + + # the message is a combo of the pool_id, provided SRP userId, the Secret and Timestamp + msg = \ + bytearray(self.pool_id.split('_')[1], 'utf-8') + \ + bytearray(user_id_for_srp, 'utf-8') + \ + bytearray(secret_block_bytes) + \ + bytearray(timestamp, 'utf-8') + hmac_obj = hmac.new(hkdf, msg, digestmod=hashlib.sha256) + signature_string = base64.standard_b64encode(hmac_obj.digest()).decode('utf-8') + challenge_request = { + "ChallengeResponses": { + "USERNAME": user_id, + "TIMESTAMP": timestamp, + "PASSWORD_CLAIM_SECRET_BLOCK": secret_block, + "PASSWORD_CLAIM_SIGNATURE": signature_string + }, + "ChallengeName": "PASSWORD_VERIFIER", + "ClientId": self.client_id + } + return challenge_request + + def __get_hkdf_key_for_password(self, username, password, server_b_value, salt): + """ Calculates the final hkdf based on computed S value, and computed U value and the key. + + :param str username: Username. + :param str password: Password. + :param int server_b_value: Server B value. + :param int salt: Generated salt. + + :return Computed HKDF value. + :rtype: object + """ + + u_value = self.__calculate_u(self.large_a_value, server_b_value) + if u_value == 0: + raise ValueError('U cannot be zero.') + username_password = '%s%s:%s' % (self.pool_id.split('_')[1], username, password) + username_password_hash = self.__hash_sha256(username_password.encode('utf-8')) + + x_value = self.__hex_to_long(self.__hex_hash(self.__pad_hex(salt) + username_password_hash)) + g_mod_pow_xn = pow(self.g, x_value, self.big_n) + int_value2 = server_b_value - self.k * g_mod_pow_xn + s_value = pow(int_value2, self.small_a_value + u_value * x_value, self.big_n) + hkdf = self.__compute_hkdf( + bytearray.fromhex(self.__pad_hex(s_value)), + bytearray.fromhex(self.__pad_hex(self.__long_to_hex(u_value))) + ) + return hkdf + + def __compute_hkdf(self, ikm, salt): + """ Standard hkdf algorithm + + :param {Buffer} ikm Input key material. + :param {Buffer} salt Salt value. + :return {Buffer} Strong key material. + """ + + prk = hmac.new(salt, ikm, hashlib.sha256).digest() + info_bits_update = self.info_bits + bytearray(chr(1), 'utf-8') + hmac_hash = hmac.new(prk, info_bits_update, hashlib.sha256).digest() + return hmac_hash[:16] + + def __calculate_u(self, big_a, big_b): + """ Calculate the client's value U which is the hash of A and B + + :param int big_a: Large A value. + :param int big_b: Server B value. + + :return Computed U value. + :rtype: int + """ + + u_hex_hash = self.__hex_hash(self.__pad_hex(big_a) + self.__pad_hex(big_b)) + return self.__hex_to_long(u_hex_hash) + + def __generate_random_small_a(self): + """ Helper function to generate a random big integer + + :return a random value. + :rtype: int + """ + random_long_int = self.__get_random(128) + return random_long_int % self.big_n + + def __calculate_a(self): + """ Calculate the client's public value A = g^a%N with the generated random number a + + :return Computed large A. + :rtype: int + """ + + big_a = pow(self.g, self.small_a_value, self.big_n) + # safety check + if (big_a % self.big_n) == 0: + raise ValueError('Safety check for A failed') + return big_a + + @staticmethod + def __long_to_hex(long_num): + return '%x' % long_num + + @staticmethod + def __hex_to_long(hex_string): + return int(hex_string, 16) + + @staticmethod + def __hex_hash(hex_string): + return AwsIdp.__hash_sha256(bytearray.fromhex(hex_string)) + + @staticmethod + def __hash_sha256(buf): + """AuthenticationHelper.hash""" + digest = hashlib.sha256(buf).hexdigest() + return (64 - len(digest)) * '0' + digest + + @staticmethod + def __pad_hex(long_int): + """ Converts a Long integer (or hex string) to hex format padded with zeroes for hashing + + :param int|str long_int: Number or string to pad. + + :return Padded hex string. + :rtype: str + """ + + if not isinstance(long_int, str): + hash_str = AwsIdp.__long_to_hex(long_int) + else: + hash_str = long_int + if len(hash_str) % 2 == 1: + hash_str = '0%s' % hash_str + elif hash_str[0] in '89ABCDEFabcdef': + hash_str = '00%s' % hash_str + return hash_str + + @staticmethod + def __get_random(nbytes): + random_hex = binascii.hexlify(os.urandom(nbytes)) + return AwsIdp.__hex_to_long(random_hex) + + @staticmethod + def __get_current_timestamp(): + """ Creates a timestamp with the correct English format. + + :return: timestamp in format 'Sun Jan 27 19:00:04 UTC 2019' + :rtype: str + """ + + # We need US only data, so we cannot just do a strftime: + # Sun Jan 27 19:00:04 UTC 2019 + months = [None, 'Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'] + days = ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun'] + + time_now = datetime.datetime.utcnow() + format_string = "{} {} {} %H:%M:%S UTC %Y".format(days[time_now.weekday()], months[time_now.month], time_now.day) + time_string = datetime.datetime.utcnow().strftime(format_string) + return time_string + + def __str__(self): + return "AWS IDP Client for:\nRegion: %s\nPoolId: %s\nAppId: %s" % ( + self.region, self.pool_id.split("_")[1], self.client_id + ) |