mirror of
https://github.com/yt-dlp/yt-dlp.git
synced 2024-12-25 20:55:52 +01:00
262 lines
9.6 KiB
Python
262 lines
9.6 KiB
Python
import base64
|
||
import random
|
||
import re
|
||
import urllib.parse
|
||
|
||
from .common import InfoExtractor
|
||
from ..utils import (
|
||
ExtractorError,
|
||
clean_html,
|
||
time_seconds,
|
||
try_call,
|
||
unified_timestamp,
|
||
update_url_query,
|
||
)
|
||
from ..utils.traversal import traverse_obj
|
||
|
||
|
||
class RadikoBaseIE(InfoExtractor):
|
||
_GEO_BYPASS = False
|
||
_FULL_KEY = None
|
||
_HOSTS_FOR_TIME_FREE_FFMPEG_UNSUPPORTED = (
|
||
'https://c-rpaa.smartstream.ne.jp',
|
||
'https://si-c-radiko.smartstream.ne.jp',
|
||
'https://tf-f-rpaa-radiko.smartstream.ne.jp',
|
||
'https://tf-c-rpaa-radiko.smartstream.ne.jp',
|
||
'https://si-f-radiko.smartstream.ne.jp',
|
||
'https://rpaa.smartstream.ne.jp',
|
||
)
|
||
_HOSTS_FOR_TIME_FREE_FFMPEG_SUPPORTED = (
|
||
'https://rd-wowza-radiko.radiko-cf.com',
|
||
'https://radiko.jp',
|
||
'https://f-radiko.smartstream.ne.jp',
|
||
)
|
||
# Following URL forcibly connects not Time Free but Live
|
||
_HOSTS_FOR_LIVE = (
|
||
'https://c-radiko.smartstream.ne.jp',
|
||
)
|
||
|
||
def _negotiate_token(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.headers
|
||
|
||
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]
|
||
|
||
if area_id == 'OUT':
|
||
self.raise_geo_restricted(countries=['JP'])
|
||
|
||
auth_data = (auth_token, area_id)
|
||
self.cache.store('radiko', 'auth_data', auth_data)
|
||
return auth_data
|
||
|
||
def _auth_client(self):
|
||
cachedata = self.cache.load('radiko', 'auth_data')
|
||
if cachedata is not None:
|
||
response = self._download_webpage(
|
||
'https://radiko.jp/v2/api/auth_check', None, 'Checking cached token', expected_status=401,
|
||
headers={'X-Radiko-AuthToken': cachedata[0], 'X-Radiko-AreaId': cachedata[1]})
|
||
if response == 'OK':
|
||
return cachedata
|
||
return self._negotiate_token()
|
||
|
||
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<fullkey>[0-9a-f]+)\2,\s*{"),
|
||
jscode, 'full key', fatal=False, group='fullkey')
|
||
|
||
if full_key:
|
||
full_key = full_key.encode()
|
||
else: # use only 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')
|
||
|
||
formats = []
|
||
found = set()
|
||
|
||
timefree_int = 0 if is_onair else 1
|
||
|
||
for element in m3u8_playlist_data.findall(f'.//url[@timefree="{timefree_int}"]/playlist_create_url'):
|
||
pcu = element.text
|
||
if pcu in found:
|
||
continue
|
||
found.add(pcu)
|
||
playlist_url = update_url_query(pcu, {
|
||
'station_id': station,
|
||
**query,
|
||
'l': '15',
|
||
'lsid': ''.join(random.choices('0123456789abcdef', k=32)),
|
||
'type': 'b',
|
||
})
|
||
|
||
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 (is_onair ^ pcu.startswith(self._HOSTS_FOR_LIVE)) or (
|
||
not is_onair and pcu.startswith(self._HOSTS_FOR_TIME_FREE_FFMPEG_UNSUPPORTED)):
|
||
sf['preference'] = -100
|
||
sf['format_note'] = 'not preferred'
|
||
if not is_onair and timefree_int == 1 and time_to_skip:
|
||
sf['downloader_options'] = {'ffmpeg_args': ['-ss', str(time_to_skip)]}
|
||
formats.extend(subformats)
|
||
|
||
return formats
|
||
|
||
def _extract_performers(self, prog):
|
||
return traverse_obj(prog, (
|
||
'pfm/text()', ..., {lambda x: re.split(r'[/／、 ,，]', x)}, ..., {str.strip})) or None
|
||
|
||
|
||
class RadikoIE(RadikoBaseIE):
|
||
_VALID_URL = r'https?://(?:www\.)?radiko\.jp/#!/ts/(?P<station>[A-Z0-9-]+)/(?P<id>\d+)'
|
||
|
||
_TESTS = [{
|
||
# QRR (文化放送) station provides <desc>
|
||
'url': 'https://radiko.jp/#!/ts/QRR/20210425101300',
|
||
'only_matching': True,
|
||
}, {
|
||
# FMT (TOKYO FM) station does not provide <desc>
|
||
'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_token, area_id = self._auth_client()
|
||
|
||
return {
|
||
'id': video_id,
|
||
'title': try_call(lambda: prog.find('title').text),
|
||
'cast': self._extract_performers(prog),
|
||
'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,
|
||
'duration': try_call(lambda: unified_timestamp(radio_end, False) - unified_timestamp(radio_begin, False)),
|
||
'is_live': True,
|
||
'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
|
||
}
|
||
),
|
||
}
|
||
|
||
|
||
class RadikoRadioIE(RadikoBaseIE):
|
||
_VALID_URL = r'https?://(?:www\.)?radiko\.jp/#!/live/(?P<id>[A-Z0-9-]+)'
|
||
|
||
_TESTS = [{
|
||
# QRR (文化放送) station provides <desc>
|
||
'url': 'https://radiko.jp/#!/live/QRR',
|
||
'only_matching': True,
|
||
}, {
|
||
# FMT (TOKYO FM) station does not provide <desc>
|
||
'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,
|
||
'cast': self._extract_performers(prog),
|
||
'description': description,
|
||
'uploader': station_name,
|
||
'uploader_id': station,
|
||
'timestamp': ft,
|
||
'formats': formats,
|
||
'is_live': True,
|
||
}
|