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https://github.com/yt-dlp/yt-dlp.git
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263 lines
9.7 KiB
Python
263 lines
9.7 KiB
Python
import base64
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import random
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import re
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import urllib.parse
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from .common import InfoExtractor
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from ..utils import (
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ExtractorError,
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clean_html,
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time_seconds,
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try_call,
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unified_timestamp,
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update_url_query,
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)
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from ..utils.traversal import traverse_obj
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class RadikoBaseIE(InfoExtractor):
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_GEO_BYPASS = False
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_FULL_KEY = None
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_HOSTS_FOR_TIME_FREE_FFMPEG_UNSUPPORTED = (
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'https://c-rpaa.smartstream.ne.jp',
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'https://si-c-radiko.smartstream.ne.jp',
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'https://tf-f-rpaa-radiko.smartstream.ne.jp',
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'https://tf-c-rpaa-radiko.smartstream.ne.jp',
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'https://si-f-radiko.smartstream.ne.jp',
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'https://rpaa.smartstream.ne.jp',
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)
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_HOSTS_FOR_TIME_FREE_FFMPEG_SUPPORTED = (
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'https://rd-wowza-radiko.radiko-cf.com',
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'https://radiko.jp',
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'https://f-radiko.smartstream.ne.jp',
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)
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# Following URL forcibly connects not Time Free but Live
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_HOSTS_FOR_LIVE = (
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'https://c-radiko.smartstream.ne.jp',
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)
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def _negotiate_token(self):
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_, auth1_handle = self._download_webpage_handle(
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'https://radiko.jp/v2/api/auth1', None, 'Downloading authentication page',
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headers={
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'x-radiko-app': 'pc_html5',
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'x-radiko-app-version': '0.0.1',
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'x-radiko-device': 'pc',
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'x-radiko-user': 'dummy_user',
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})
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auth1_header = auth1_handle.headers
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auth_token = auth1_header['X-Radiko-AuthToken']
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kl = int(auth1_header['X-Radiko-KeyLength'])
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ko = int(auth1_header['X-Radiko-KeyOffset'])
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raw_partial_key = self._extract_full_key()[ko:ko + kl]
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partial_key = base64.b64encode(raw_partial_key).decode()
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area_id = self._download_webpage(
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'https://radiko.jp/v2/api/auth2', None, 'Authenticating',
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headers={
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'x-radiko-device': 'pc',
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'x-radiko-user': 'dummy_user',
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'x-radiko-authtoken': auth_token,
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'x-radiko-partialkey': partial_key,
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}).split(',')[0]
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if area_id == 'OUT':
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self.raise_geo_restricted(countries=['JP'])
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auth_data = (auth_token, area_id)
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self.cache.store('radiko', 'auth_data', auth_data)
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return auth_data
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def _auth_client(self):
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cachedata = self.cache.load('radiko', 'auth_data')
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if cachedata is not None:
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response = self._download_webpage(
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'https://radiko.jp/v2/api/auth_check', None, 'Checking cached token', expected_status=401,
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headers={'X-Radiko-AuthToken': cachedata[0], 'X-Radiko-AreaId': cachedata[1]})
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if response == 'OK':
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return cachedata
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return self._negotiate_token()
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def _extract_full_key(self):
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if self._FULL_KEY:
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return self._FULL_KEY
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jscode = self._download_webpage(
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'https://radiko.jp/apps/js/playerCommon.js', None,
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note='Downloading player js code')
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full_key = self._search_regex(
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(r"RadikoJSPlayer\([^,]*,\s*(['\"])pc_html5\1,\s*(['\"])(?P<fullkey>[0-9a-f]+)\2,\s*{"),
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jscode, 'full key', fatal=False, group='fullkey')
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if full_key:
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full_key = full_key.encode()
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else: # use only full key ever known
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full_key = b'bcd151073c03b352e1ef2fd66c32209da9ca0afa'
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self._FULL_KEY = full_key
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return full_key
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def _find_program(self, video_id, station, cursor):
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station_program = self._download_xml(
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'https://radiko.jp/v3/program/station/weekly/%s.xml' % station, video_id,
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note='Downloading radio program for %s station' % station)
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prog = None
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for p in station_program.findall('.//prog'):
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ft_str, to_str = p.attrib['ft'], p.attrib['to']
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ft = unified_timestamp(ft_str, False)
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to = unified_timestamp(to_str, False)
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if ft <= cursor and cursor < to:
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prog = p
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break
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if not prog:
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raise ExtractorError('Cannot identify radio program to download!')
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assert ft, to
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return prog, station_program, ft, ft_str, to_str
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def _extract_formats(self, video_id, station, is_onair, ft, cursor, auth_token, area_id, query):
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m3u8_playlist_data = self._download_xml(
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f'https://radiko.jp/v3/station/stream/pc_html5/{station}.xml', video_id,
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note='Downloading stream information')
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formats = []
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found = set()
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timefree_int = 0 if is_onair else 1
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for element in m3u8_playlist_data.findall(f'.//url[@timefree="{timefree_int}"]/playlist_create_url'):
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pcu = element.text
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if pcu in found:
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continue
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found.add(pcu)
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playlist_url = update_url_query(pcu, {
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'station_id': station,
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**query,
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'l': '15',
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'lsid': ''.join(random.choices('0123456789abcdef', k=32)),
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'type': 'b',
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})
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time_to_skip = None if is_onair else cursor - ft
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domain = urllib.parse.urlparse(playlist_url).netloc
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subformats = self._extract_m3u8_formats(
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playlist_url, video_id, ext='m4a',
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live=True, fatal=False, m3u8_id=domain,
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note=f'Downloading m3u8 information from {domain}',
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headers={
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'X-Radiko-AreaId': area_id,
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'X-Radiko-AuthToken': auth_token,
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})
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for sf in subformats:
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if (is_onair ^ pcu.startswith(self._HOSTS_FOR_LIVE)) or (
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not is_onair and pcu.startswith(self._HOSTS_FOR_TIME_FREE_FFMPEG_UNSUPPORTED)):
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sf['preference'] = -100
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sf['format_note'] = 'not preferred'
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if not is_onair and timefree_int == 1 and time_to_skip:
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sf['downloader_options'] = {'ffmpeg_args': ['-ss', str(time_to_skip)]}
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formats.extend(subformats)
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return formats
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def _extract_performers(self, prog):
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performers = traverse_obj(prog, (
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'pfm/text()', ..., {lambda x: re.split(r'[/／、 ,，]', x)}, ..., {str.strip}))
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# TODO: change 'artist' fields to 'artists' and return traversal list instead of str
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return ', '.join(performers) or None
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class RadikoIE(RadikoBaseIE):
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_VALID_URL = r'https?://(?:www\.)?radiko\.jp/#!/ts/(?P<station>[A-Z0-9-]+)/(?P<id>\d+)'
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_TESTS = [{
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# QRR (文化放送) station provides <desc>
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'url': 'https://radiko.jp/#!/ts/QRR/20210425101300',
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'only_matching': True,
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}, {
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# FMT (TOKYO FM) station does not provide <desc>
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'url': 'https://radiko.jp/#!/ts/FMT/20210810150000',
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'only_matching': True,
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}, {
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'url': 'https://radiko.jp/#!/ts/JOAK-FM/20210509090000',
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'only_matching': True,
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}]
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def _real_extract(self, url):
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station, video_id = self._match_valid_url(url).groups()
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vid_int = unified_timestamp(video_id, False)
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prog, station_program, ft, radio_begin, radio_end = self._find_program(video_id, station, vid_int)
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auth_token, area_id = self._auth_client()
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return {
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'id': video_id,
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'title': try_call(lambda: prog.find('title').text),
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'artist': self._extract_performers(prog),
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'description': clean_html(try_call(lambda: prog.find('info').text)),
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'uploader': try_call(lambda: station_program.find('.//name').text),
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'uploader_id': station,
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'timestamp': vid_int,
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'duration': try_call(lambda: unified_timestamp(radio_end, False) - unified_timestamp(radio_begin, False)),
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'is_live': True,
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'formats': self._extract_formats(
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video_id=video_id, station=station, is_onair=False,
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ft=ft, cursor=vid_int, auth_token=auth_token, area_id=area_id,
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query={
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'start_at': radio_begin,
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'ft': radio_begin,
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'end_at': radio_end,
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'to': radio_end,
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'seek': video_id
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}
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),
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}
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class RadikoRadioIE(RadikoBaseIE):
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_VALID_URL = r'https?://(?:www\.)?radiko\.jp/#!/live/(?P<id>[A-Z0-9-]+)'
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_TESTS = [{
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# QRR (文化放送) station provides <desc>
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'url': 'https://radiko.jp/#!/live/QRR',
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'only_matching': True,
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}, {
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# FMT (TOKYO FM) station does not provide <desc>
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'url': 'https://radiko.jp/#!/live/FMT',
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'only_matching': True,
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}, {
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'url': 'https://radiko.jp/#!/live/JOAK-FM',
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'only_matching': True,
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}]
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def _real_extract(self, url):
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station = self._match_id(url)
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self.report_warning('Downloader will not stop at the end of the program! Press Ctrl+C to stop')
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auth_token, area_id = self._auth_client()
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# get current time in JST (GMT+9:00 w/o DST)
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vid_now = time_seconds(hours=9)
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prog, station_program, ft, _, _ = self._find_program(station, station, vid_now)
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title = prog.find('title').text
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description = clean_html(prog.find('info').text)
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station_name = station_program.find('.//name').text
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formats = self._extract_formats(
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video_id=station, station=station, is_onair=True,
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ft=ft, cursor=vid_now, auth_token=auth_token, area_id=area_id,
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query={})
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return {
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'id': station,
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'title': title,
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'artist': self._extract_performers(prog),
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'description': description,
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'uploader': station_name,
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'uploader_id': station,
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'timestamp': ft,
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'formats': formats,
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'is_live': True,
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}
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