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- # coding: utf-8
- from __future__ import unicode_literals
-
- import datetime
- import json
- import hashlib
- import hmac
- import re
-
- from .common import InfoExtractor
- from .anvato import AnvatoIE
- from ..utils import (
- smuggle_url,
- urlencode_postdata,
- xpath_text,
- )
-
-
- class ScrippsNetworksWatchIE(InfoExtractor):
- IE_NAME = 'scrippsnetworks:watch'
- _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': '4173834',
- 'ext': 'mp4',
- '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,
- },
- '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):
- 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)
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