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Diffstat (limited to 'youtube_dl/extractor/scrippsnetworks.py')
-rw-r--r--youtube_dl/extractor/scrippsnetworks.py103
1 files changed, 16 insertions, 87 deletions
diff --git a/youtube_dl/extractor/scrippsnetworks.py b/youtube_dl/extractor/scrippsnetworks.py
index b446a02ba..4023aeef8 100644
--- a/youtube_dl/extractor/scrippsnetworks.py
+++ b/youtube_dl/extractor/scrippsnetworks.py
@@ -1,13 +1,11 @@
# coding: utf-8
from __future__ import unicode_literals
-import datetime
import json
import hashlib
-import hmac
import re
-from .common import InfoExtractor
+from .aws import AWSIE
from .anvato import AnvatoIE
from ..utils import (
smuggle_url,
@@ -16,7 +14,7 @@ from ..utils import (
)
-class ScrippsNetworksWatchIE(InfoExtractor):
+class ScrippsNetworksWatchIE(AWSIE):
IE_NAME = 'scrippsnetworks:watch'
_VALID_URL = r'''(?x)
https?://
@@ -64,44 +62,27 @@ class ScrippsNetworksWatchIE(InfoExtractor):
'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
+ _AWS_PROXY_HOST = 'web.api.video.snidigital.com'
-%(signed_headers)s
-%(payload_hash)s'''
+ _AWS_USER_AGENT = 'aws-sdk-js/2.80.0 callback'
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()
-
+ aws_identity_id_json = json.dumps({
+ 'IdentityId': '%s:7655847c-0ae7-4d9b-80d6-56c062927eb3' % self._AWS_REGION
+ }).encode('utf-8')
token = self._download_json(
- 'https://cognito-identity.us-east-1.amazonaws.com/', video_id,
- data=self._AWS_IDENTITY_ID_JSON.encode('utf-8'),
+ 'https://cognito-identity.%s.amazonaws.com/' % self._AWS_REGION, video_id,
+ data=aws_identity_id_json,
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-Content-Sha256': hashlib.sha256(aws_identity_id_json).hexdigest(),
'X-Amz-Target': 'AWSCognitoIdentityService.GetOpenIdToken',
'X-Amz-User-Agent': self._AWS_USER_AGENT,
})['Token']
@@ -124,64 +105,12 @@ x-api-key:%(key)s
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']
+ mcp_id = self._aws_execute_api({
+ 'uri': '/1/web/brands/%s/episodes/scrid/%s' % (self._SNI_TABLE[site_id], video_id),
+ 'access_key': get('AccessKeyId'),
+ 'secret_key': get('SecretAccessKey'),
+ 'session_token': get('SessionToken'),
+ }, video_id)['results'][0]['mcpId']
return self.url_result(
smuggle_url(