diff options
Diffstat (limited to 'youtube_dl/extractor/scrippsnetworks.py')
| -rw-r--r-- | youtube_dl/extractor/scrippsnetworks.py | 216 |
1 files changed, 173 insertions, 43 deletions
diff --git a/youtube_dl/extractor/scrippsnetworks.py b/youtube_dl/extractor/scrippsnetworks.py index 597d6f5..b446a02 100644 --- a/youtube_dl/extractor/scrippsnetworks.py +++ b/youtube_dl/extractor/scrippsnetworks.py @@ -1,60 +1,190 @@ # coding: utf-8 from __future__ import unicode_literals -from .adobepass import AdobePassIE +import datetime +import json +import hashlib +import hmac +import re + +from .common import InfoExtractor +from .anvato import AnvatoIE from ..utils import ( - int_or_none, smuggle_url, - update_url_query, + urlencode_postdata, + xpath_text, ) -class ScrippsNetworksWatchIE(AdobePassIE): +class ScrippsNetworksWatchIE(InfoExtractor): IE_NAME = 'scrippsnetworks:watch' - _VALID_URL = r'https?://watch\.(?:hgtv|foodnetwork|travelchannel|diynetwork|cookingchanneltv)\.com/player\.[A-Z0-9]+\.html#(?P<id>\d+)' - _TEST = { - 'url': 'http://watch.hgtv.com/player.HNT.html#0256538', + _VALID_URL = r'''(?x) + https?:// + watch\. + (?P<site>hgtv|foodnetwork|travelchannel|diynetwork|cookingchanneltv|geniuskitchen)\.com/ + (?: + player\.[A-Z0-9]+\.html\#| + show/(?:[^/]+/){2}| + player/ + ) + (?P<id>\d+) + ''' + _TESTS = [{ + 'url': 'http://watch.hgtv.com/show/HGTVE/Best-Ever-Treehouses/2241515/Best-Ever-Treehouses/', 'md5': '26545fd676d939954c6808274bdb905a', 'info_dict': { - 'id': '0256538', + 'id': '4173834', 'ext': 'mp4', - 'title': 'Seeking a Wow House', - 'description': 'Buyers retiring in Palm Springs, California, want a modern house with major wow factor. They\'re also looking for a pool and a large, open floorplan with tall windows looking out at the views.', - 'uploader': 'SCNI', - 'upload_date': '20170207', - 'timestamp': 1486450493, + 'title': 'Best Ever Treehouses', + 'description': "We're searching for the most over the top treehouses.", + 'uploader': 'ANV', + 'upload_date': '20170922', + 'timestamp': 1506056400, + }, + 'params': { + 'skip_download': True, }, - 'skip': 'requires TV provider authentication', + 'add_ie': [AnvatoIE.ie_key()], + }, { + 'url': 'http://watch.diynetwork.com/show/DSAL/Salvage-Dawgs/2656646/Covington-Church/', + 'only_matching': True, + }, { + 'url': 'http://watch.diynetwork.com/player.HNT.html#2656646', + 'only_matching': True, + }, { + 'url': 'http://watch.geniuskitchen.com/player/3787617/Ample-Hills-Ice-Cream-Bike/', + 'only_matching': True, + }] + + _SNI_TABLE = { + 'hgtv': 'hgtv', + 'diynetwork': 'diy', + 'foodnetwork': 'food', + 'cookingchanneltv': 'cook', + 'travelchannel': 'trav', + 'geniuskitchen': 'genius', } + _SNI_HOST = 'web.api.video.snidigital.com' + + _AWS_REGION = 'us-east-1' + _AWS_IDENTITY_ID_JSON = json.dumps({ + 'IdentityId': '%s:7655847c-0ae7-4d9b-80d6-56c062927eb3' % _AWS_REGION + }) + _AWS_USER_AGENT = 'aws-sdk-js/2.80.0 callback' + _AWS_API_KEY = 'E7wSQmq0qK6xPrF13WmzKiHo4BQ7tip4pQcSXVl1' + _AWS_SERVICE = 'execute-api' + _AWS_REQUEST = 'aws4_request' + _AWS_SIGNED_HEADERS = ';'.join([ + 'host', 'x-amz-date', 'x-amz-security-token', 'x-api-key']) + _AWS_CANONICAL_REQUEST_TEMPLATE = '''GET +%(uri)s + +host:%(host)s +x-amz-date:%(date)s +x-amz-security-token:%(token)s +x-api-key:%(key)s + +%(signed_headers)s +%(payload_hash)s''' def _real_extract(self, url): - video_id = self._match_id(url) - webpage = self._download_webpage(url, video_id) - channel = self._parse_json(self._search_regex( - r'"channels"\s*:\s*(\[.+\])', - webpage, 'channels'), video_id)[0] - video_data = next(v for v in channel['videos'] if v.get('nlvid') == video_id) - title = video_data['title'] - release_url = video_data['releaseUrl'] - if video_data.get('restricted'): - requestor_id = self._search_regex( - r'requestorId\s*=\s*"([^"]+)";', webpage, 'requestor id') - resource = self._get_mvpd_resource( - requestor_id, title, video_id, - video_data.get('ratings', [{}])[0].get('rating')) - auth = self._extract_mvpd_auth( - url, video_id, requestor_id, resource) - release_url = update_url_query(release_url, {'auth': auth}) - - return { - '_type': 'url_transparent', - 'id': video_id, - 'title': title, - 'url': smuggle_url(release_url, {'force_smil_url': True}), - 'description': video_data.get('description'), - 'thumbnail': video_data.get('thumbnailUrl'), - 'series': video_data.get('showTitle'), - 'season_number': int_or_none(video_data.get('season')), - 'episode_number': int_or_none(video_data.get('episodeNumber')), - 'ie_key': 'ThePlatform', + mobj = re.match(self._VALID_URL, url) + site_id, video_id = mobj.group('site', 'id') + + def aws_hash(s): + return hashlib.sha256(s.encode('utf-8')).hexdigest() + + token = self._download_json( + 'https://cognito-identity.us-east-1.amazonaws.com/', video_id, + data=self._AWS_IDENTITY_ID_JSON.encode('utf-8'), + headers={ + 'Accept': '*/*', + 'Content-Type': 'application/x-amz-json-1.1', + 'Referer': url, + 'X-Amz-Content-Sha256': aws_hash(self._AWS_IDENTITY_ID_JSON), + 'X-Amz-Target': 'AWSCognitoIdentityService.GetOpenIdToken', + 'X-Amz-User-Agent': self._AWS_USER_AGENT, + })['Token'] + + sts = self._download_xml( + 'https://sts.amazonaws.com/', video_id, data=urlencode_postdata({ + 'Action': 'AssumeRoleWithWebIdentity', + 'RoleArn': 'arn:aws:iam::710330595350:role/Cognito_WebAPIUnauth_Role', + 'RoleSessionName': 'web-identity', + 'Version': '2011-06-15', + 'WebIdentityToken': token, + }), headers={ + 'Referer': url, + 'X-Amz-User-Agent': self._AWS_USER_AGENT, + 'Content-Type': 'application/x-www-form-urlencoded; charset=utf-8', + }) + + def get(key): + return xpath_text( + sts, './/{https://sts.amazonaws.com/doc/2011-06-15/}%s' % key, + fatal=True) + + access_key_id = get('AccessKeyId') + secret_access_key = get('SecretAccessKey') + session_token = get('SessionToken') + + # Task 1: http://docs.aws.amazon.com/general/latest/gr/sigv4-create-canonical-request.html + uri = '/1/web/brands/%s/episodes/scrid/%s' % (self._SNI_TABLE[site_id], video_id) + datetime_now = datetime.datetime.utcnow().strftime('%Y%m%dT%H%M%SZ') + date = datetime_now[:8] + canonical_string = self._AWS_CANONICAL_REQUEST_TEMPLATE % { + 'uri': uri, + 'host': self._SNI_HOST, + 'date': datetime_now, + 'token': session_token, + 'key': self._AWS_API_KEY, + 'signed_headers': self._AWS_SIGNED_HEADERS, + 'payload_hash': aws_hash(''), } + + # Task 2: http://docs.aws.amazon.com/general/latest/gr/sigv4-create-string-to-sign.html + credential_string = '/'.join([date, self._AWS_REGION, self._AWS_SERVICE, self._AWS_REQUEST]) + string_to_sign = '\n'.join([ + 'AWS4-HMAC-SHA256', datetime_now, credential_string, + aws_hash(canonical_string)]) + + # Task 3: http://docs.aws.amazon.com/general/latest/gr/sigv4-calculate-signature.html + def aws_hmac(key, msg): + return hmac.new(key, msg.encode('utf-8'), hashlib.sha256) + + def aws_hmac_digest(key, msg): + return aws_hmac(key, msg).digest() + + def aws_hmac_hexdigest(key, msg): + return aws_hmac(key, msg).hexdigest() + + k_secret = 'AWS4' + secret_access_key + k_date = aws_hmac_digest(k_secret.encode('utf-8'), date) + k_region = aws_hmac_digest(k_date, self._AWS_REGION) + k_service = aws_hmac_digest(k_region, self._AWS_SERVICE) + k_signing = aws_hmac_digest(k_service, self._AWS_REQUEST) + + signature = aws_hmac_hexdigest(k_signing, string_to_sign) + + auth_header = ', '.join([ + 'AWS4-HMAC-SHA256 Credential=%s' % '/'.join( + [access_key_id, date, self._AWS_REGION, self._AWS_SERVICE, self._AWS_REQUEST]), + 'SignedHeaders=%s' % self._AWS_SIGNED_HEADERS, + 'Signature=%s' % signature, + ]) + + mcp_id = self._download_json( + 'https://%s%s' % (self._SNI_HOST, uri), video_id, headers={ + 'Accept': '*/*', + 'Referer': url, + 'Authorization': auth_header, + 'X-Amz-Date': datetime_now, + 'X-Amz-Security-Token': session_token, + 'X-Api-Key': self._AWS_API_KEY, + })['results'][0]['mcpId'] + + return self.url_result( + smuggle_url( + 'anvato:anvato_scripps_app_web_prod_0837996dbe373629133857ae9eb72e740424d80a:%s' % mcp_id, + {'geo_countries': ['US']}), + AnvatoIE.ie_key(), video_id=mcp_id) |