import time
from .common import InfoExtractor
from ..networking.exceptions import HTTPError
from ..utils import (
ExtractorError,
jwt_decode_hs256,
parse_codecs,
try_get,
url_or_none,
urlencode_postdata,
)
from ..utils.traversal import traverse_obj
class DigitalConcertHallIE(InfoExtractor):
IE_DESC = 'DigitalConcertHall extractor'
_VALID_URL = r'https?://(?:www\.)?digitalconcerthall\.com/(?P<language>[a-z]+)/(?P<type>film|concert|work)/(?P<id>[0-9]+)-?(?P<part>[0-9]+)?'
_NETRC_MACHINE = 'digitalconcerthall'
_TESTS = [{
'note': 'Playlist with only one video',
'url': 'https://www.digitalconcerthall.com/en/concert/53201',
'info_dict': {
'id': '53201-1',
'ext': 'mp4',
'composer': 'Kurt Weill',
'title': '[Magic Night]',
'thumbnail': r're:^https?://images.digitalconcerthall.com/cms/thumbnails.*\.jpg$',
'upload_date': '20210624',
'timestamp': 1624548600,
'duration': 2798,
'album_artists': ['Members of the Berliner Philharmoniker', 'Simon Rössler'],
'composers': ['Kurt Weill'],
},
'params': {'skip_download': 'm3u8'},
}, {
'note': 'Concert with several works and an interview',
'url': 'https://www.digitalconcerthall.com/en/concert/53785',
'info_dict': {
'id': '53785',
'album_artists': ['Berliner Philharmoniker', 'Kirill Petrenko'],
'title': 'Kirill Petrenko conducts Mendelssohn and Shostakovich',
'thumbnail': r're:^https?://images.digitalconcerthall.com/cms/thumbnails.*\.jpg$',
},
'params': {'skip_download': 'm3u8'},
'playlist_count': 3,
}, {
'url': 'https://www.digitalconcerthall.com/en/film/388',
'info_dict': {
'id': '388',
'ext': 'mp4',
'title': 'The Berliner Philharmoniker and Frank Peter Zimmermann',
'description': 'md5:cfe25a7044fa4be13743e5089b5b5eb2',
'thumbnail': r're:^https?://images.digitalconcerthall.com/cms/thumbnails.*\.jpg$',
'upload_date': '20220714',
'timestamp': 1657785600,
'album_artists': ['Frank Peter Zimmermann', 'Benedikt von Bernstorff', 'Jakob von Bernstorff'],
},
'params': {'skip_download': 'm3u8'},
}, {
'note': 'Concert with several works and an interview',
'url': 'https://www.digitalconcerthall.com/en/work/53785-1',
'info_dict': {
'id': '53785',
'album_artists': ['Berliner Philharmoniker', 'Kirill Petrenko'],
'title': 'Kirill Petrenko conducts Mendelssohn and Shostakovich',
'thumbnail': r're:^https?://images.digitalconcerthall.com/cms/thumbnails.*\.jpg$',
},
'params': {'skip_download': 'm3u8'},
'playlist_count': 1,
}]
_LOGIN_HINT = ('Use --username token --password ACCESS_TOKEN where ACCESS_TOKEN '
'is the "access_token_production" from your browser local storage')
_REFRESH_HINT = 'or else use a "refresh_token" with --username refresh --password REFRESH_TOKEN'
_OAUTH_URL = 'https://api.digitalconcerthall.com/v2/oauth2/token'
_CLIENT_ID = 'dch.webapp'
_CLIENT_SECRET = '2ySLN+2Fwb'
_USER_AGENT = 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.5 Safari/605.1.15'
_OAUTH_HEADERS = {
'Accept': 'application/json',
'Content-Type': 'application/x-www-form-urlencoded;charset=UTF-8',
'Origin': 'https://www.digitalconcerthall.com',
'Referer': 'https://www.digitalconcerthall.com/',
'User-Agent': _USER_AGENT,
}
_access_token = None
_access_token_expiry = 0
_refresh_token = None
@property
def _access_token_is_expired(self):
return self._access_token_expiry - 30 <= int(time.time())
def _set_access_token(self, value):
self._access_token = value
self._access_token_expiry = traverse_obj(value, ({jwt_decode_hs256}, 'exp', {int})) or 0
def _cache_tokens(self, /):
self.cache.store(self._NETRC_MACHINE, 'tokens', {
'access_token': self._access_token,
'refresh_token': self._refresh_token,
})
def _fetch_new_tokens(self, invalidate=False):
if invalidate:
self.report_warning('Access token has been invalidated')
self._set_access_token(None)
if not self._access_token_is_expired:
return
if not self._refresh_token:
self._set_access_token(None)
self._cache_tokens()
raise ExtractorError(
'Access token has expired or been invalidated. '
'Get a new "access_token_production" value from your browser '
f'and try again, {self._REFRESH_HINT}', expected=True)
# If we only have a refresh token, we need a temporary "initial token" for the refresh flow
bearer_token = self._access_token or self._download_json(
self._OAUTH_URL, None, 'Obtaining initial token', 'Unable to obtain initial token',
data=urlencode_postdata({
'affiliate': 'none',
'grant_type': 'device',
'device_vendor': 'unknown',
# device_model 'Safari' gets split streams of 4K/HEVC video and lossless/FLAC audio,
# but this is no longer effective since actual login is not possible anymore
'device_model': 'unknown',
'app_id': self._CLIENT_ID,
'app_distributor': 'berlinphil',
'app_version': '1.95.0',
'client_secret': self._CLIENT_SECRET,
}), headers=self._OAUTH_HEADERS)['access_token']
try:
response = self._download_json(
self._OAUTH_URL, None, 'Refreshing token', 'Unable to refresh token',
data=urlencode_postdata({
'grant_type': 'refresh_token',
'refresh_token': self._refresh_token,
'client_id': self._CLIENT_ID,
'client_secret': self._CLIENT_SECRET,
}), headers={
**self._OAUTH_HEADERS,
'Authorization': f'Bearer {bearer_token}',
})
except ExtractorError as e:
if isinstance(e.cause, HTTPError) and e.cause.status == 401:
self._set_access_token(None)
self._refresh_token = None
self._cache_tokens()
raise ExtractorError('Your tokens have been invalidated', expected=True)
raise
self._set_access_token(response['access_token'])
if refresh_token := traverse_obj(response, ('refresh_token', {str})):
self.write_debug('New refresh token granted')
self._refresh_token = refresh_token
self._cache_tokens()
def _perform_login(self, username, password):
self.report_login()
if username == 'refresh':
self._refresh_token = password
self._fetch_new_tokens()
if username == 'token':
if not traverse_obj(password, {jwt_decode_hs256}):
raise ExtractorError(
f'The access token passed to yt-dlp is not valid. {self._LOGIN_HINT}', expected=True)
self._set_access_token(password)
self._cache_tokens()
if username in ('refresh', 'token'):
if self.get_param('cachedir') is not False:
token_type = 'access' if username == 'token' else 'refresh'
self.to_screen(f'Your {token_type} token has been cached to disk. To use the cached '
'token next time, pass --username cache along with any password')
return
if username != 'cache':
raise ExtractorError(
'Login with username and password is no longer supported '
f'for this site. {self._LOGIN_HINT}, {self._REFRESH_HINT}', expected=True)
# Try cached access_token
cached_tokens = self.cache.load(self._NETRC_MACHINE, 'tokens', default={})
self._set_access_token(cached_tokens.get('access_token'))
self._refresh_token = cached_tokens.get('refresh_token')
if not self._access_token_is_expired:
return
# Try cached refresh_token
self._fetch_new_tokens(invalidate=True)
def _real_initialize(self):
if not self._access_token:
self.raise_login_required(
'All content on this site is only available for registered users. '
f'{self._LOGIN_HINT}, {self._REFRESH_HINT}', method=None)
def _entries(self, items, language, type_, **kwargs):
for item in items:
video_id = item['id']
for should_retry in (True, False):
self._fetch_new_tokens(invalidate=not should_retry)
try:
stream_info = self._download_json(
self._proto_relative_url(item['_links']['streams']['href']), video_id, headers={
'Accept': 'application/json',
'Authorization': f'Bearer {self._access_token}',
'Accept-Language': language,
'User-Agent': self._USER_AGENT,
})
break
except ExtractorError as error:
if should_retry and isinstance(error.cause, HTTPError) and error.cause.status == 401:
continue
raise
formats = []
for m3u8_url in traverse_obj(stream_info, ('channel', ..., 'stream', ..., 'url', {url_or_none})):
formats.extend(self._extract_m3u8_formats(m3u8_url, video_id, 'mp4', m3u8_id='hls', fatal=False))
for fmt in formats:
if fmt.get('format_note') and fmt.get('vcodec') == 'none':
fmt.update(parse_codecs(fmt['format_note']))
yield {
'id': video_id,
'title': item.get('title'),
'composer': item.get('name_composer'),
'formats': formats,
'duration': item.get('duration_total'),
'timestamp': traverse_obj(item, ('date', 'published')),
'description': item.get('short_description') or stream_info.get('short_description'),
**kwargs,
'chapters': [{
'start_time': chapter.get('time'),
'end_time': try_get(chapter, lambda x: x['time'] + x['duration']),
'title': chapter.get('text'),
} for chapter in item['cuepoints']] if item.get('cuepoints') and type_ == 'concert' else None,
}
def _real_extract(self, url):
language, type_, video_id, part = self._match_valid_url(url).group('language', 'type', 'id', 'part')
if not language:
language = 'en'
api_type = 'concert' if type_ == 'work' else type_
vid_info = self._download_json(
f'https://api.digitalconcerthall.com/v2/{api_type}/{video_id}', video_id, headers={
'Accept': 'application/json',
'Accept-Language': language,
'User-Agent': self._USER_AGENT,
})
videos = [vid_info] if type_ == 'film' else traverse_obj(vid_info, ('_embedded', ..., ...))
if type_ == 'work':
videos = [videos[int(part) - 1]]
album_artists = traverse_obj(vid_info, ('_links', 'artist', ..., 'name', {str}))
thumbnail = traverse_obj(vid_info, (
'image', ..., {self._proto_relative_url}, {url_or_none},
{lambda x: x.format(width=0, height=0)}, any)) # NB: 0x0 is the original size
return {
'_type': 'playlist',
'id': video_id,
'title': vid_info.get('title'),
'entries': self._entries(
videos, language, type_, thumbnail=thumbnail, album_artists=album_artists),
'thumbnail': thumbnail,
'album_artists': album_artists,
}