yt-dlp/youtube_dl/extractor/vrv.py

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2017-03-31 22:28:24 +00:00
# coding: utf-8
from __future__ import unicode_literals
import base64
import json
import hashlib
import hmac
import random
import string
import time
from .common import InfoExtractor
from ..compat import (
compat_urllib_parse_urlencode,
compat_urlparse,
)
from ..utils import (
float_or_none,
int_or_none,
)
class VRVIE(InfoExtractor):
_VALID_URL = r'https?://(?:www\.)?vrv\.co/watch/(?P<id>[A-Z0-9]+)'
_TEST = {
'url': 'https://vrv.co/watch/GR9PNZ396/Hidden-America-with-Jonah-Ray:BOSTON-WHERE-THE-PAST-IS-THE-PRESENT',
'info_dict': {
'id': 'GR9PNZ396',
'ext': 'mp4',
'title': 'BOSTON: WHERE THE PAST IS THE PRESENT',
'description': 'md5:4ec8844ac262ca2df9e67c0983c6b83f',
'uploader_id': 'seeso',
},
'params': {
# m3u8 download
'skip_download': True,
},
}
_API_DOMAIN = None
_API_PARAMS = {}
_CMS_SIGNING = {}
def _call_api(self, path, video_id, note, data=None):
base_url = self._API_DOMAIN + '/core/' + path
encoded_query = compat_urllib_parse_urlencode({
'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',
})
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_urlparse.quote(base_url, ''), compat_urlparse.quote(encoded_query, '')])
oauth_signature = base64.b64encode(hmac.new(
(self._API_PARAMS['oAuthSecret'] + '&').encode('ascii'),
base_string.encode(), hashlib.sha1).digest()).decode()
encoded_query += '&oauth_signature=' + compat_urlparse.quote(oauth_signature, '')
return self._download_json(
'?'.join([base_url, encoded_query]), video_id,
note='Downloading %s JSON metadata' % note, headers=headers, data=data)
def _call_cms(self, path, video_id, note):
return self._download_json(
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 _set_cms_signing(self, video_id):
if not self._CMS_SIGNING:
self._CMS_SIGNING = self._call_api('index', video_id, 'CMS Signing')['cms_signing']
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>',
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._call_api('cms_resource', video_id, 'episode resource path', data={
'resource_key': 'cms:/episodes/' + video_id,
})['__links__']['cms_resource']['href']
self._set_cms_signing(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']
self._set_cms_signing(video_id)
streams_json = self._call_cms(streams_path, video_id, 'streams')
audio_locale = streams_json.get('audio_locale')
formats = []
for stream_id, stream in streams_json.get('streams', {}).get('adaptive_hls', {}).items():
stream_url = stream.get('url')
if not stream_url:
continue
stream_id = stream_id or audio_locale
m3u8_formats = self._extract_m3u8_formats(
stream_url, video_id, 'mp4', m3u8_id=stream_id,
note='Downloading %s m3u8 information' % stream_id,
fatal=False)
if audio_locale:
for f in m3u8_formats:
f['language'] = audio_locale
formats.extend(m3u8_formats)
self._sort_formats(formats)
thumbnails = []
for thumbnail in video_data.get('images', {}).get('thumbnails', []):
thumbnail_url = thumbnail.get('source')
if not thumbnail_url:
continue
thumbnails.append({
'url': thumbnail_url,
'width': int_or_none(thumbnail.get('width')),
'height': int_or_none(thumbnail.get('height')),
})
return {
'id': video_id,
'title': title,
'formats': formats,
'thumbnails': thumbnails,
'description': video_data.get('description'),
'duration': float_or_none(video_data.get('duration_ms'), 1000),
'uploader_id': video_data.get('channel_id'),
'series': video_data.get('series_title'),
'season': video_data.get('season_title'),
'season_number': int_or_none(video_data.get('season_number')),
'season_id': video_data.get('season_id'),
'episode': title,
'episode_number': int_or_none(video_data.get('episode_number')),
'episode_id': video_data.get('production_episode_id'),
}