2 from __future__ import unicode_literals
10 from .common import InfoExtractor
11 from .anvato import AnvatoIE
18 class ScrippsNetworksWatchIE(InfoExtractor):
19 IE_NAME = 'scrippsnetworks:watch'
23 (?P<site>hgtv|foodnetwork|travelchannel|diynetwork|cookingchanneltv|geniuskitchen)\.com/
25 player\.[A-Z0-9]+\.html\#|
32 'url': 'http://watch.hgtv.com/show/HGTVE/Best-Ever-Treehouses/2241515/Best-Ever-Treehouses/',
33 'md5': '26545fd676d939954c6808274bdb905a',
37 'title': 'Best Ever Treehouses',
38 'description': "We're searching for the most over the top treehouses.",
40 'upload_date': '20170922',
41 'timestamp': 1506056400,
44 'skip_download': True,
46 'add_ie': [AnvatoIE.ie_key()],
48 'url': 'http://watch.diynetwork.com/show/DSAL/Salvage-Dawgs/2656646/Covington-Church/',
49 'only_matching': True,
51 'url': 'http://watch.diynetwork.com/player.HNT.html#2656646',
52 'only_matching': True,
54 'url': 'http://watch.geniuskitchen.com/player/3787617/Ample-Hills-Ice-Cream-Bike/',
55 'only_matching': True,
61 'foodnetwork': 'food',
62 'cookingchanneltv': 'cook',
63 'travelchannel': 'trav',
64 'geniuskitchen': 'genius',
66 _SNI_HOST = 'web.api.video.snidigital.com'
68 _AWS_REGION = 'us-east-1'
69 _AWS_IDENTITY_ID_JSON = json.dumps({
70 'IdentityId': '%s:7655847c-0ae7-4d9b-80d6-56c062927eb3' % _AWS_REGION
72 _AWS_USER_AGENT = 'aws-sdk-js/2.80.0 callback'
73 _AWS_API_KEY = 'E7wSQmq0qK6xPrF13WmzKiHo4BQ7tip4pQcSXVl1'
74 _AWS_SERVICE = 'execute-api'
75 _AWS_REQUEST = 'aws4_request'
76 _AWS_SIGNED_HEADERS = ';'.join([
77 'host', 'x-amz-date', 'x-amz-security-token', 'x-api-key'])
78 _AWS_CANONICAL_REQUEST_TEMPLATE = '''GET
83 x-amz-security-token:%(token)s
89 def _real_extract(self, url):
90 mobj = re.match(self._VALID_URL, url)
91 site_id, video_id = mobj.group('site', 'id')
94 return hashlib.sha256(s.encode('utf-8')).hexdigest()
96 token = self._download_json(
97 'https://cognito-identity.us-east-1.amazonaws.com/', video_id,
98 data=self._AWS_IDENTITY_ID_JSON.encode('utf-8'),
101 'Content-Type': 'application/x-amz-json-1.1',
103 'X-Amz-Content-Sha256': aws_hash(self._AWS_IDENTITY_ID_JSON),
104 'X-Amz-Target': 'AWSCognitoIdentityService.GetOpenIdToken',
105 'X-Amz-User-Agent': self._AWS_USER_AGENT,
108 sts = self._download_xml(
109 'https://sts.amazonaws.com/', video_id, data=urlencode_postdata({
110 'Action': 'AssumeRoleWithWebIdentity',
111 'RoleArn': 'arn:aws:iam::710330595350:role/Cognito_WebAPIUnauth_Role',
112 'RoleSessionName': 'web-identity',
113 'Version': '2011-06-15',
114 'WebIdentityToken': token,
117 'X-Amz-User-Agent': self._AWS_USER_AGENT,
118 'Content-Type': 'application/x-www-form-urlencoded; charset=utf-8',
123 sts, './/{https://sts.amazonaws.com/doc/2011-06-15/}%s' % key,
126 access_key_id = get('AccessKeyId')
127 secret_access_key = get('SecretAccessKey')
128 session_token = get('SessionToken')
130 # Task 1: http://docs.aws.amazon.com/general/latest/gr/sigv4-create-canonical-request.html
131 uri = '/1/web/brands/%s/episodes/scrid/%s' % (self._SNI_TABLE[site_id], video_id)
132 datetime_now = datetime.datetime.utcnow().strftime('%Y%m%dT%H%M%SZ')
133 date = datetime_now[:8]
134 canonical_string = self._AWS_CANONICAL_REQUEST_TEMPLATE % {
136 'host': self._SNI_HOST,
137 'date': datetime_now,
138 'token': session_token,
139 'key': self._AWS_API_KEY,
140 'signed_headers': self._AWS_SIGNED_HEADERS,
141 'payload_hash': aws_hash(''),
144 # Task 2: http://docs.aws.amazon.com/general/latest/gr/sigv4-create-string-to-sign.html
145 credential_string = '/'.join([date, self._AWS_REGION, self._AWS_SERVICE, self._AWS_REQUEST])
146 string_to_sign = '\n'.join([
147 'AWS4-HMAC-SHA256', datetime_now, credential_string,
148 aws_hash(canonical_string)])
150 # Task 3: http://docs.aws.amazon.com/general/latest/gr/sigv4-calculate-signature.html
151 def aws_hmac(key, msg):
152 return hmac.new(key, msg.encode('utf-8'), hashlib.sha256)
154 def aws_hmac_digest(key, msg):
155 return aws_hmac(key, msg).digest()
157 def aws_hmac_hexdigest(key, msg):
158 return aws_hmac(key, msg).hexdigest()
160 k_secret = 'AWS4' + secret_access_key
161 k_date = aws_hmac_digest(k_secret.encode('utf-8'), date)
162 k_region = aws_hmac_digest(k_date, self._AWS_REGION)
163 k_service = aws_hmac_digest(k_region, self._AWS_SERVICE)
164 k_signing = aws_hmac_digest(k_service, self._AWS_REQUEST)
166 signature = aws_hmac_hexdigest(k_signing, string_to_sign)
168 auth_header = ', '.join([
169 'AWS4-HMAC-SHA256 Credential=%s' % '/'.join(
170 [access_key_id, date, self._AWS_REGION, self._AWS_SERVICE, self._AWS_REQUEST]),
171 'SignedHeaders=%s' % self._AWS_SIGNED_HEADERS,
172 'Signature=%s' % signature,
175 mcp_id = self._download_json(
176 'https://%s%s' % (self._SNI_HOST, uri), video_id, headers={
179 'Authorization': auth_header,
180 'X-Amz-Date': datetime_now,
181 'X-Amz-Security-Token': session_token,
182 'X-Api-Key': self._AWS_API_KEY,
183 })['results'][0]['mcpId']
185 return self.url_result(
186 'anvato:anvato_scripps_app_web_prod_0837996dbe373629133857ae9eb72e740424d80a:%s' % mcp_id,
187 AnvatoIE.ie_key(), video_id=mcp_id)