[vrv] add support for authentication(closes #14307)

youtube_dl/extractor/vrv.py

@@ -11,10 +11,12 @@ import time
 
 from .common import InfoExtractor
 from ..compat import (
+    compat_HTTPError,
     compat_urllib_parse_urlencode,
     compat_urllib_parse,
 )
 from ..utils import (
+    ExtractorError,
     float_or_none,
     int_or_none,
 )
@@ -24,29 +26,41 @@ class VRVBaseIE(InfoExtractor):
     _API_DOMAIN = None
     _API_PARAMS = {}
     _CMS_SIGNING = {}
+    _TOKEN = None
+    _TOKEN_SECRET = ''
 
     def _call_api(self, path, video_id, note, data=None):
+        # https://tools.ietf.org/html/rfc5849#section-3
         base_url = self._API_DOMAIN + '/core/' + path
-        encoded_query = compat_urllib_parse_urlencode({
+        query = {
             'oauth_consumer_key': self._API_PARAMS['oAuthKey'],
             'oauth_nonce': ''.join([random.choice(string.ascii_letters) for _ in range(32)]),
             'oauth_signature_method': 'HMAC-SHA1',
             'oauth_timestamp': int(time.time()),
-            'oauth_version': '1.0',
-        })
+        }
+        if self._TOKEN:
+            query['oauth_token'] = self._TOKEN
+        encoded_query = compat_urllib_parse_urlencode(query)
         headers = self.geo_verification_headers()
         if data:
             data = json.dumps(data).encode()
             headers['Content-Type'] = 'application/json'
-        method = 'POST' if data else 'GET'
-        base_string = '&'.join([method, compat_urllib_parse.quote(base_url, ''), compat_urllib_parse.quote(encoded_query, '')])
+        base_string = '&'.join([
+            'POST' if data else 'GET',
+            compat_urllib_parse.quote(base_url, ''),
+            compat_urllib_parse.quote(encoded_query, '')])
         oauth_signature = base64.b64encode(hmac.new(
-            (self._API_PARAMS['oAuthSecret'] + '&').encode('ascii'),
+            (self._API_PARAMS['oAuthSecret'] + '&' + self._TOKEN_SECRET).encode('ascii'),
             base_string.encode(), hashlib.sha1).digest()).decode()
         encoded_query += '&oauth_signature=' + compat_urllib_parse.quote(oauth_signature, '')
-        return self._download_json(
-            '?'.join([base_url, encoded_query]), video_id,
-            note='Downloading %s JSON metadata' % note, headers=headers, data=data)
+        try:
+            return self._download_json(
+                '?'.join([base_url, encoded_query]), video_id,
+                note='Downloading %s JSON metadata' % note, headers=headers, data=data)
+        except ExtractorError as e:
+            if isinstance(e.cause, compat_HTTPError) and e.cause.code == 401:
+                raise ExtractorError(json.loads(e.cause.read().decode())['message'], expected=True)
+            raise
 
     def _call_cms(self, path, video_id, note):
         if not self._CMS_SIGNING:
@@ -55,19 +69,22 @@ class VRVBaseIE(InfoExtractor):
             self._API_DOMAIN + path, video_id, query=self._CMS_SIGNING,
             note='Downloading %s JSON metadata' % note, headers=self.geo_verification_headers())
 
-    def _set_api_params(self, webpage, video_id):
-        if not self._API_PARAMS:
-            self._API_PARAMS = self._parse_json(self._search_regex(
-                r'window\.__APP_CONFIG__\s*=\s*({.+?})</script>',
-                webpage, 'api config'), video_id)['cxApiParams']
-            self._API_DOMAIN = self._API_PARAMS.get('apiDomain', 'https://api.vrv.co')
-
     def _get_cms_resource(self, resource_key, video_id):
         return self._call_api(
             'cms_resource', video_id, 'resource path', data={
                 'resource_key': resource_key,
             })['__links__']['cms_resource']['href']
 
+    def _real_initialize(self):
+        webpage = self._download_webpage(
+            'https://vrv.co/', None, headers=self.geo_verification_headers())
+        self._API_PARAMS = self._parse_json(self._search_regex(
+            [
+                r'window\.__APP_CONFIG__\s*=\s*({.+?})(?:</script>|;)',
+                r'window\.__APP_CONFIG__\s*=\s*({.+})'
+            ], webpage, 'app config'), None)['cxApiParams']
+        self._API_DOMAIN = self._API_PARAMS.get('apiDomain', 'https://api.vrv.co')
+
 
 class VRVIE(VRVBaseIE):
     IE_NAME = 'vrv'
@@ -86,6 +103,22 @@ class VRVIE(VRVBaseIE):
             'skip_download': True,
         },
     }]
+    _NETRC_MACHINE = 'vrv'
+
+    def _real_initialize(self):
+        super(VRVIE, self)._real_initialize()
+
+        email, password = self._get_login_info()
+        if email is None:
+            return
+
+        token_credentials = self._call_api(
+            'authenticate/by:credentials', None, 'Token Credentials', data={
+                'email': email,
+                'password': password,
+            })
+        self._TOKEN = token_credentials['oauth_token']
+        self._TOKEN_SECRET = token_credentials['oauth_token_secret']
 
     def _extract_vrv_formats(self, url, video_id, stream_format, audio_lang, hardsub_lang):
         if not url or stream_format not in ('hls', 'dash'):
@@ -116,28 +149,16 @@ class VRVIE(VRVBaseIE):
 
     def _real_extract(self, url):
         video_id = self._match_id(url)
-        webpage = self._download_webpage(
-            url, video_id,
-            headers=self.geo_verification_headers())
-        media_resource = self._parse_json(self._search_regex(
-            [
-                r'window\.__INITIAL_STATE__\s*=\s*({.+?})(?:</script>|;)',
-                r'window\.__INITIAL_STATE__\s*=\s*({.+})'
-            ], webpage, 'inital state'), video_id).get('watch', {}).get('mediaResource') or {}
-
-        video_data = media_resource.get('json')
-        if not video_data:
-            self._set_api_params(webpage, video_id)
-            episode_path = self._get_cms_resource(
-                'cms:/episodes/' + video_id, video_id)
-            video_data = self._call_cms(episode_path, video_id, 'video')
+
+        episode_path = self._get_cms_resource(
+            'cms:/episodes/' + video_id, video_id)
+        video_data = self._call_cms(episode_path, video_id, 'video')
         title = video_data['title']
 
-        streams_json = media_resource.get('streams', {}).get('json', {})
-        if not streams_json:
-            self._set_api_params(webpage, video_id)
-            streams_path = video_data['__links__']['streams']['href']
-            streams_json = self._call_cms(streams_path, video_id, 'streams')
+        streams_path = video_data['__links__'].get('streams', {}).get('href')
+        if not streams_path:
+            self.raise_login_required()
+        streams_json = self._call_cms(streams_path, video_id, 'streams')
 
         audio_locale = streams_json.get('audio_locale')
         formats = []
@@ -202,11 +223,7 @@ class VRVSeriesIE(VRVBaseIE):
 
     def _real_extract(self, url):
         series_id = self._match_id(url)
-        webpage = self._download_webpage(
-            url, series_id,
-            headers=self.geo_verification_headers())
 
-        self._set_api_params(webpage, series_id)
         seasons_path = self._get_cms_resource(
             'cms:/seasons?series_id=' + series_id, series_id)
         seasons_data = self._call_cms(seasons_path, series_id, 'seasons')