[scrippsnetworks:watch] Fix extraction (closes #14389)
Sergey M․
7 years ago
parent
210a2720bc
commit
b21ab85088
@ -1,60 +1,183 @@
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# coding: utf-8
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from __future__ import unicode_literals
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from .adobepass import AdobePassIE
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import datetime
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import json
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import hashlib
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import hmac
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import re
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from .common import InfoExtractor
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from .anvato import AnvatoIE
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from ..utils import (
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int_or_none,
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smuggle_url,
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update_url_query,
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urlencode_postdata,
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xpath_text,
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)
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class ScrippsNetworksWatchIE(AdobePassIE):
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class ScrippsNetworksWatchIE(InfoExtractor):
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IE_NAME = 'scrippsnetworks:watch'
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_VALID_URL = r'https?://watch\.(?:hgtv|foodnetwork|travelchannel|diynetwork|cookingchanneltv)\.com/player\.[A-Z0-9]+\.html#(?P<id>\d+)'
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_TEST = {
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'url': 'http://watch.hgtv.com/player.HNT.html#0256538',
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_VALID_URL = r'''(?x)
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https?://
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watch\.
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(?P<site>hgtv|foodnetwork|travelchannel|diynetwork|cookingchanneltv)\.com/
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(?:
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player\.[A-Z0-9]+\.html\#|
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show/(?:[^/]+/){2}
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)
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(?P<id>\d+)
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'''
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_TESTS = [{
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'url': 'http://watch.hgtv.com/show/HGTVE/Best-Ever-Treehouses/2241515/Best-Ever-Treehouses/',
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'md5': '26545fd676d939954c6808274bdb905a',
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'info_dict': {
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'id': '0256538',
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'id': '4173834',
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'ext': 'mp4',
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'title': 'Seeking a Wow House',
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'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.',
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'uploader': 'SCNI',
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'upload_date': '20170207',
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'timestamp': 1486450493,
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'title': 'Best Ever Treehouses',
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'description': "We're searching for the most over the top treehouses.",
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'uploader': 'ANV',
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'upload_date': '20170922',
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'timestamp': 1506056400,
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},
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'params': {
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'skip_download': True,
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},
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'skip': 'requires TV provider authentication',
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'add_ie': [AnvatoIE.ie_key()],
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}, {
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'url': 'http://watch.diynetwork.com/show/DSAL/Salvage-Dawgs/2656646/Covington-Church/',
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'only_matching': True,
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}, {
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'url': 'http://watch.diynetwork.com/player.HNT.html#2656646',
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'only_matching': True,
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}]
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_SNI_TABLE = {
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'hgtv': 'hgtv',
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'diynetwork': 'diy',
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'foodnetwork': 'food',
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'cookingchanneltv': 'cook',
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'travelchannel': 'trav',
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'geniuskitchen': 'geniuskitchen',
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}
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_SNI_HOST = 'web.api.video.snidigital.com'
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_AWS_REGION = 'us-east-1'
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_AWS_IDENTITY_ID_JSON = json.dumps({
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'IdentityId': '%s:7655847c-0ae7-4d9b-80d6-56c062927eb3' % _AWS_REGION
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})
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_AWS_USER_AGENT = 'aws-sdk-js/2.80.0 callback'
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_AWS_API_KEY = 'E7wSQmq0qK6xPrF13WmzKiHo4BQ7tip4pQcSXVl1'
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_AWS_SERVICE = 'execute-api'
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_AWS_REQUEST = 'aws4_request'
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_AWS_SIGNED_HEADERS = ';'.join([
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'host', 'x-amz-date', 'x-amz-security-token', 'x-api-key'])
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_AWS_CANONICAL_REQUEST_TEMPLATE = '''GET
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%(uri)s
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host:%(host)s
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x-amz-date:%(date)s
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x-amz-security-token:%(token)s
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x-api-key:%(key)s
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%(signed_headers)s
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%(payload_hash)s'''
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def _real_extract(self, url):
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video_id = self._match_id(url)
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webpage = self._download_webpage(url, video_id)
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channel = self._parse_json(self._search_regex(
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r'"channels"\s*:\s*(\[.+\])',
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webpage, 'channels'), video_id)[0]
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video_data = next(v for v in channel['videos'] if v.get('nlvid') == video_id)
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title = video_data['title']
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release_url = video_data['releaseUrl']
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if video_data.get('restricted'):
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requestor_id = self._search_regex(
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r'requestorId\s*=\s*"([^"]+)";', webpage, 'requestor id')
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resource = self._get_mvpd_resource(
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requestor_id, title, video_id,
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video_data.get('ratings', [{}])[0].get('rating'))
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auth = self._extract_mvpd_auth(
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url, video_id, requestor_id, resource)
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release_url = update_url_query(release_url, {'auth': auth})
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return {
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'_type': 'url_transparent',
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'id': video_id,
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'title': title,
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'url': smuggle_url(release_url, {'force_smil_url': True}),
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'description': video_data.get('description'),
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'thumbnail': video_data.get('thumbnailUrl'),
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'series': video_data.get('showTitle'),
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'season_number': int_or_none(video_data.get('season')),
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'episode_number': int_or_none(video_data.get('episodeNumber')),
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'ie_key': 'ThePlatform',
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mobj = re.match(self._VALID_URL, url)
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site_id, video_id = mobj.group('site', 'id')
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def aws_hash(s):
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return hashlib.sha256(s.encode('utf-8')).hexdigest()
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token = self._download_json(
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'https://cognito-identity.us-east-1.amazonaws.com/', video_id,
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data=self._AWS_IDENTITY_ID_JSON.encode('utf-8'),
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headers={
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'Accept': '*/*',
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'Content-Type': 'application/x-amz-json-1.1',
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'Referer': url,
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'X-Amz-Content-Sha256': aws_hash(self._AWS_IDENTITY_ID_JSON),
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'X-Amz-Target': 'AWSCognitoIdentityService.GetOpenIdToken',
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'X-Amz-User-Agent': self._AWS_USER_AGENT,
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})['Token']
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sts = self._download_xml(
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'https://sts.amazonaws.com/', video_id, data=urlencode_postdata({
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'Action': 'AssumeRoleWithWebIdentity',
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'RoleArn': 'arn:aws:iam::710330595350:role/Cognito_WebAPIUnauth_Role',
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'RoleSessionName': 'web-identity',
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'Version': '2011-06-15',
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'WebIdentityToken': token,
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}), headers={
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'Referer': url,
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'X-Amz-User-Agent': self._AWS_USER_AGENT,
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'Content-Type': 'application/x-www-form-urlencoded; charset=utf-8',
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})
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def get(key):
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return xpath_text(
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sts, './/{https://sts.amazonaws.com/doc/2011-06-15/}%s' % key,
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fatal=True)
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access_key_id = get('AccessKeyId')
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secret_access_key = get('SecretAccessKey')
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session_token = get('SessionToken')
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# Task 1: http://docs.aws.amazon.com/general/latest/gr/sigv4-create-canonical-request.html
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uri = '/1/web/brands/%s/episodes/scrid/%s' % (self._SNI_TABLE[site_id], video_id)
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datetime_now = datetime.datetime.utcnow().strftime('%Y%m%dT%H%M%SZ')
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date = datetime_now[:8]
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canonical_string = self._AWS_CANONICAL_REQUEST_TEMPLATE % {
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'uri': uri,
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'host': self._SNI_HOST,
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'date': datetime_now,
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'token': session_token,
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'key': self._AWS_API_KEY,
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'signed_headers': self._AWS_SIGNED_HEADERS,
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'payload_hash': aws_hash(''),
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}
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# Task 2: http://docs.aws.amazon.com/general/latest/gr/sigv4-create-string-to-sign.html
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credential_string = '/'.join([date, self._AWS_REGION, self._AWS_SERVICE, self._AWS_REQUEST])
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string_to_sign = '\n'.join([
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'AWS4-HMAC-SHA256', datetime_now, credential_string,
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aws_hash(canonical_string)])
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# Task 3: http://docs.aws.amazon.com/general/latest/gr/sigv4-calculate-signature.html
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def aws_hmac(key, msg):
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return hmac.new(key, msg.encode('utf-8'), hashlib.sha256)
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def aws_hmac_digest(key, msg):
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return aws_hmac(key, msg).digest()
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def aws_hmac_hexdigest(key, msg):
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return aws_hmac(key, msg).hexdigest()
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k_secret = 'AWS4' + secret_access_key
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k_date = aws_hmac_digest(k_secret.encode('utf-8'), date)
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k_region = aws_hmac_digest(k_date, self._AWS_REGION)
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k_service = aws_hmac_digest(k_region, self._AWS_SERVICE)
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k_signing = aws_hmac_digest(k_service, self._AWS_REQUEST)
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signature = aws_hmac_hexdigest(k_signing, string_to_sign)
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auth_header = ', '.join([
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'AWS4-HMAC-SHA256 Credential=%s' % '/'.join(
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[access_key_id, date, self._AWS_REGION, self._AWS_SERVICE, self._AWS_REQUEST]),
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'SignedHeaders=%s' % self._AWS_SIGNED_HEADERS,
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'Signature=%s' % signature,
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])
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mcp_id = self._download_json(
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'https://%s%s' % (self._SNI_HOST, uri), video_id, headers={
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'Accept': '*/*',
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'Referer': url,
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'Authorization': auth_header,
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'X-Amz-Date': datetime_now,
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'X-Amz-Security-Token': session_token,
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'X-Api-Key': self._AWS_API_KEY,
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})['results'][0]['mcpId']
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return self.url_result(
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'anvato:anvato_scripps_app_web_prod_0837996dbe373629133857ae9eb72e740424d80a:%s' % mcp_id,
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AnvatoIE.ie_key(), video_id=mcp_id)
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