import base64 import re import urllib.parse from .common import InfoExtractor from ..utils import ( ExtractorError, clean_html, time_seconds, try_call, unified_timestamp, update_url_query, ) class RadikoBaseIE(InfoExtractor): _FULL_KEY = None def _auth_client(self): _, auth1_handle = self._download_webpage_handle( 'https://radiko.jp/v2/api/auth1', None, 'Downloading authentication page', headers={ 'x-radiko-app': 'pc_html5', 'x-radiko-app-version': '0.0.1', 'x-radiko-device': 'pc', 'x-radiko-user': 'dummy_user', }) auth1_header = auth1_handle.info() auth_token = auth1_header['X-Radiko-AuthToken'] kl = int(auth1_header['X-Radiko-KeyLength']) ko = int(auth1_header['X-Radiko-KeyOffset']) raw_partial_key = self._extract_full_key()[ko:ko + kl] partial_key = base64.b64encode(raw_partial_key).decode() area_id = self._download_webpage( 'https://radiko.jp/v2/api/auth2', None, 'Authenticating', headers={ 'x-radiko-device': 'pc', 'x-radiko-user': 'dummy_user', 'x-radiko-authtoken': auth_token, 'x-radiko-partialkey': partial_key, }).split(',')[0] auth_data = (auth_token, area_id) self.cache.store('radiko', 'auth_data', auth_data) return auth_data def _extract_full_key(self): if self._FULL_KEY: return self._FULL_KEY jscode = self._download_webpage( 'https://radiko.jp/apps/js/playerCommon.js', None, note='Downloading player js code') full_key = self._search_regex( (r"RadikoJSPlayer\([^,]*,\s*(['\"])pc_html5\1,\s*(['\"])(?P[0-9a-f]+)\2,\s*{"), jscode, 'full key', fatal=False, group='fullkey') if full_key: full_key = full_key.encode() else: # use full key ever known full_key = b'bcd151073c03b352e1ef2fd66c32209da9ca0afa' self._FULL_KEY = full_key return full_key def _find_program(self, video_id, station, cursor): station_program = self._download_xml( 'https://radiko.jp/v3/program/station/weekly/%s.xml' % station, video_id, note='Downloading radio program for %s station' % station) prog = None for p in station_program.findall('.//prog'): ft_str, to_str = p.attrib['ft'], p.attrib['to'] ft = unified_timestamp(ft_str, False) to = unified_timestamp(to_str, False) if ft <= cursor and cursor < to: prog = p break if not prog: raise ExtractorError('Cannot identify radio program to download!') assert ft, to return prog, station_program, ft, ft_str, to_str def _extract_formats(self, video_id, station, is_onair, ft, cursor, auth_token, area_id, query): m3u8_playlist_data = self._download_xml( f'https://radiko.jp/v3/station/stream/pc_html5/{station}.xml', video_id, note='Downloading stream information') m3u8_urls = m3u8_playlist_data.findall('.//url') formats = [] found = set() for url_tag in m3u8_urls: pcu = url_tag.find('playlist_create_url') url_attrib = url_tag.attrib playlist_url = update_url_query(pcu.text, { 'station_id': station, **query, 'l': '15', 'lsid': '88ecea37e968c1f17d5413312d9f8003', 'type': 'b', }) if playlist_url in found: continue else: found.add(playlist_url) time_to_skip = None if is_onair else cursor - ft domain = urllib.parse.urlparse(playlist_url).netloc subformats = self._extract_m3u8_formats( playlist_url, video_id, ext='m4a', live=True, fatal=False, m3u8_id=domain, note=f'Downloading m3u8 information from {domain}', headers={ 'X-Radiko-AreaId': area_id, 'X-Radiko-AuthToken': auth_token, }) for sf in subformats: if re.fullmatch(r'[cf]-radiko\.smartstream\.ne\.jp', domain): # Prioritize live radio vs playback based on extractor sf['preference'] = 100 if is_onair else -100 if not is_onair and url_attrib['timefree'] == '1' and time_to_skip: sf['downloader_options'] = {'ffmpeg_args': ['-ss', time_to_skip]} formats.extend(subformats) return formats class RadikoIE(RadikoBaseIE): _VALID_URL = r'https?://(?:www\.)?radiko\.jp/#!/ts/(?P[A-Z0-9-]+)/(?P\d+)' _TESTS = [{ # QRR (文化放送) station provides 'url': 'https://radiko.jp/#!/ts/QRR/20210425101300', 'only_matching': True, }, { # FMT (TOKYO FM) station does not provide 'url': 'https://radiko.jp/#!/ts/FMT/20210810150000', 'only_matching': True, }, { 'url': 'https://radiko.jp/#!/ts/JOAK-FM/20210509090000', 'only_matching': True, }] def _real_extract(self, url): station, video_id = self._match_valid_url(url).groups() vid_int = unified_timestamp(video_id, False) prog, station_program, ft, radio_begin, radio_end = self._find_program(video_id, station, vid_int) auth_cache = self.cache.load('radiko', 'auth_data') for attempt in range(2): auth_token, area_id = (not attempt and auth_cache) or self._auth_client() formats = self._extract_formats( video_id=video_id, station=station, is_onair=False, ft=ft, cursor=vid_int, auth_token=auth_token, area_id=area_id, query={ 'start_at': radio_begin, 'ft': radio_begin, 'end_at': radio_end, 'to': radio_end, 'seek': video_id, }) if formats: break return { 'id': video_id, 'title': try_call(lambda: prog.find('title').text), 'description': clean_html(try_call(lambda: prog.find('info').text)), 'uploader': try_call(lambda: station_program.find('.//name').text), 'uploader_id': station, 'timestamp': vid_int, 'formats': formats, 'is_live': True, } class RadikoRadioIE(RadikoBaseIE): _VALID_URL = r'https?://(?:www\.)?radiko\.jp/#!/live/(?P[A-Z0-9-]+)' _TESTS = [{ # QRR (文化放送) station provides 'url': 'https://radiko.jp/#!/live/QRR', 'only_matching': True, }, { # FMT (TOKYO FM) station does not provide 'url': 'https://radiko.jp/#!/live/FMT', 'only_matching': True, }, { 'url': 'https://radiko.jp/#!/live/JOAK-FM', 'only_matching': True, }] def _real_extract(self, url): station = self._match_id(url) self.report_warning('Downloader will not stop at the end of the program! Press Ctrl+C to stop') auth_token, area_id = self._auth_client() # get current time in JST (GMT+9:00 w/o DST) vid_now = time_seconds(hours=9) prog, station_program, ft, _, _ = self._find_program(station, station, vid_now) title = prog.find('title').text description = clean_html(prog.find('info').text) station_name = station_program.find('.//name').text formats = self._extract_formats( video_id=station, station=station, is_onair=True, ft=ft, cursor=vid_now, auth_token=auth_token, area_id=area_id, query={}) return { 'id': station, 'title': title, 'description': description, 'uploader': station_name, 'uploader_id': station, 'timestamp': ft, 'formats': formats, 'is_live': True, }