path: root/yt_dlp_plugins/extractor/radiko.py

import base64
import datetime
import random
import urllib.parse

import pkgutil

from yt_dlp.extractor.common import InfoExtractor
from yt_dlp.utils import (
	OnDemandPagedList,
	clean_html,
	int_or_none,
	join_nonempty,
	parse_qs,
	traverse_obj,
	url_or_none,
	update_url_query,
)

import yt_dlp_plugins.extractor.radiko_time as rtime


class _RadikoBaseIE(InfoExtractor):
	_FULL_KEY =  pkgutil.get_data(__name__, "radiko_aSmartPhone7a.bin")
	# https://stackoverflow.com/a/58941536

	_COORDINATES = {
		# source: https://github.com/jackyzy823/rajiko/blob/master/background.js
			# data source (capital of prefectures): https://www.benricho.org/chimei/latlng_data.html
			# data source : jp.radiko.Player.V6FragmentAreaCheck.freeloc_init
		"JP1":  [43.064615, 141.346807], "JP2":  [40.824308, 140.739998], "JP3":  [39.703619, 141.152684],
		"JP4":  [38.268837, 140.8721],   "JP5":  [39.718614, 140.102364], "JP6":  [38.240436, 140.363633],
		"JP7":  [37.750299, 140.467551], "JP8":  [36.341811, 140.446793], "JP9":  [36.565725, 139.883565],
		"JP10": [36.390668, 139.060406], "JP11": [35.856999, 139.648849], "JP12": [35.605057, 140.123306],
		"JP13": [35.689488, 139.691706], "JP14": [35.447507, 139.642345], "JP15": [37.902552, 139.023095],
		"JP16": [36.695291, 137.211338], "JP17": [36.594682, 136.625573], "JP18": [36.065178, 136.221527],
		"JP19": [35.664158, 138.568449], "JP20": [36.651299, 138.180956], "JP21": [35.391227, 136.722291],
		"JP22": [34.97712, 138.383084],  "JP23": [35.180188, 136.906565], "JP24": [34.730283, 136.508588],
		"JP25": [35.004531, 135.86859],  "JP26": [35.021247, 135.755597], "JP27": [34.686297, 135.519661],
		"JP28": [34.691269, 135.183071], "JP29": [34.685334, 135.832742], "JP30": [34.225987, 135.167509],
		"JP31": [35.503891, 134.237736], "JP32": [35.472295, 133.0505],   "JP33": [34.661751, 133.934406],
		"JP34": [34.39656, 132.459622],  "JP35": [34.185956, 131.470649], "JP36": [34.065718, 134.55936],
		"JP37": [34.340149, 134.043444], "JP38": [33.841624, 132.765681], "JP39": [33.559706, 133.531079],
		"JP40": [33.606576, 130.418297], "JP41": [33.249442, 130.299794], "JP42": [32.744839, 129.873756],
		"JP43": [32.789827, 130.741667], "JP44": [33.238172, 131.612619], "JP45": [31.911096, 131.423893],
		"JP46": [31.560146, 130.557978], "JP47": [26.2124, 127.680932],
	}

	_MODELS = [
	# Samsung galaxy s7+
	"SC-02H", "SCV33", "SM-G935F", "SM-G935X", "SM-G935W8", "SM-G935K", "SM-G935L", "SM-G935S", "SAMSUNG-SM-G935A", "SM-G935VC", "SM-G9350", "SM-G935P", "SM-G935T", "SM-G935U", "SM-G935R4", "SM-G935V", "SC-02J", "SCV36", "SM-G950F", "SM-G950N", "SM-G950W", "SM-G9500", "SM-G9508", "SM-G950U", "SM-G950U1", "SM-G892A", "SM-G892U", "SC-03J", "SCV35", "SM-G955F", "SM-G955N", "SM-G955W", "SM-G9550", "SM-G955U", "SM-G955U1", "SM-G960F", "SM-G960N", "SM-G9600", "SM-G9608", "SM-G960W", "SM-G960U", "SM-G960U1", "SM-G965F", "SM-G965N", "SM-G9650", "SM-G965W", "SM-G965U", "SM-G965U1",
	# samsung galaxy note
	"SC-01J", "SCV34", "SM-N930F", "SM-N930X", "SM-N930K", "SM-N930L", "SM-N930S", "SM-N930R7", "SAMSUNG-SM-N930A", "SM-N930W8", "SM-N9300", "SGH-N037", "SM-N930R6", "SM-N930P", "SM-N930VL", "SM-N930T", "SM-N930U", "SM-N930R4", "SM-N930V", "SC-01K", "SCV37", "SM-N950F", "SM-N950N", "SM-N950XN", "SM-N950U", "SM-N9500", "SM-N9508", "SM-N950W", "SM-N950U1",
	# KYOCERA
	"WX06K", "404KC", "503KC", "602KC", "KYV32", "E6782", "KYL22", "WX04K", "KYV36", "KYL21", "302KC", "KYV36", "KYV42", "KYV37", "C5155", "SKT01", "KYY24", "KYV35", "KYV41", "E6715", "KYY21", "KYY22", "KYY23", "KYV31", "KYV34", "KYV38", "WX10K", "KYL23", "KYV39", "KYV40",
	# sony xperia z series
	"C6902", "C6903", "C6906", "C6916", "C6943", "L39h", "L39t", "L39u", "SO-01F", "SOL23", "D5503", "M51w", "SO-02F", "D6502", "D6503", "D6543", "SO-03F", "SGP511", "SGP512", "SGP521", "SGP551", "SGP561", "SO-05F", "SOT21", "D6563", "401SO", "D6603", "D6616", "D6643", "D6646", "D6653", "SO-01G", "SOL26", "D6603", "D5803", "D5833", "SO-02G", "D5803", "D6633", "D6683", "SGP611", "SGP612", "SGP621", "SGP641", "E6553", "E6533", "D6708", "402SO", "SO-03G", "SOV31", "SGP712", "SGP771", "SO-05G", "SOT31", "E6508", "501SO", "E6603", "E6653", "SO-01H", "SOV32", "E5803", "E5823", "SO-02H", "E6853", "E6883", "SO-03H", "E6833", "E6633", "E6683", "C6502", "C6503", "C6506", "L35h", "SOL25", "C5306", "C5502", "C5503", "601SO", "F8331", "F8332", "SO-01J", "SOV34", "G8141", "G8142", "G8188", "SO-04J", "701SO", "G8341", "G8342", "G8343", "SO-01K", "SOV36", "G8441", "SO-02K", "602SO", "G8231", "G8232", "SO-03J", "SOV35",
	# sharp
	"605SH", "SH-03J", "SHV39", "701SH", "SH-M06",
	# fujitsu arrows
	"101F", "201F", "202F", "301F", "IS12F", "F-03D", "F-03E", "M01", "M305", "M357", "M555", "M555", "F-11D", "F-06E", "EM01F", "F-05E", "FJT21", "F-01D", "FAR70B", "FAR7", "F-04E", "F-02E", "F-10D", "F-05D", "FJL22", "ISW11F", "ISW13F", "FJL21", "F-074", "F-07D",
]

	# range detail :http://www.gsi.go.jp/KOKUJYOHO/CENTER/zenken.htm

	# build number :https://www.androidpolice.com/android-build-number-date-calculator/
	# https://source.android.com/setup/build-numbers
	_ANDROID_VERSIONS = [
		# https://radiko.jp/#!/info/2558 - minimum after 2022-08-24 is android 7
		{"version": "7.0.0", "sdk": "24", "builds": ["NBD92Q", "NBD92N", "NBD92G", "NBD92F", "NBD92E", "NBD92D", "NBD91Z", "NBD91Y", "NBD91X", "NBD91U", "N5D91L", "NBD91P", "NRD91K", "NRD91N", "NBD90Z", "NBD90X", "NBD90W", "NRD91D", "NRD90U", "NRD90T", "NRD90S", "NRD90R", "NRD90M"]},
		{"version": "7.1.0", "sdk": "25", "builds": ["NDE63X", "NDE63V", "NDE63U", "NDE63P", "NDE63L", "NDE63H"]},
		{"version": "7.1.1", "sdk": "25", "builds": ["N9F27M", "NGI77B", "N6F27M", "N4F27P", "N9F27L", "NGI55D", "N4F27O", "N8I11B", "N9F27H", "N6F27I", "N4F27K", "N9F27F", "N6F27H", "N4F27I", "N9F27C", "N6F27E", "N4F27E", "N6F27C", "N4F27B", "N6F26Y", "NOF27D", "N4F26X", "N4F26U", "N6F26U", "NUF26N", "NOF27C", "NOF27B", "N4F26T", "NMF27D", "NMF26X", "NOF26W", "NOF26V", "N6F26R", "NUF26K", "N4F26Q", "N4F26O", "N6F26Q", "N4F26M", "N4F26J", "N4F26I", "NMF26V", "NMF26U", "NMF26R", "NMF26Q", "NMF26O", "NMF26J", "NMF26H", "NMF26F"]},
		{"version": "7.1.2", "sdk": "25", "builds": ["N2G48H", "NZH54D", "NKG47S", "NHG47Q", "NJH47F", "N2G48C", "NZH54B", "NKG47M", "NJH47D", "NHG47O", "N2G48B", "N2G47Z", "NJH47B", "NJH34C", "NKG47L", "NHG47N", "N2G47X", "N2G47W", "NHG47L", "N2G47T", "N2G47R", "N2G47O", "NHG47K", "N2G47J", "N2G47H", "N2G47F", "N2G47E", "N2G47D"]},
		{"version": "8.0.0", "sdk": "26", "builds": ["5650811", "5796467", "5948681", "6107732", "6127070"]},
		{"version": "8.1.0", "sdk": "27", "builds": ["5794017", "6107733", "6037697"]},
		{"version": "9.0.0", "sdk": "28", "builds": ["5948683", "5794013", "6127072"]},
		{"version": "10.0.0", "sdk": "29", "builds": ["5933585", "6969601", "7023426", "7070703"]},
		{"version": "11.0.0", "sdk": "30", "builds": ["RP1A.201005.006", "RQ1A.201205.011", "RQ1A.210105.002"]},
		{"version": "12.0.0", "sdk": "31", "builds": ["SD1A.210817.015.A4", "SD1A.210817.019.B1", "SD1A.210817.037", "SQ1D.220105.007"]},
	]

	_APP_VERSIONS = ["7.5.0", "7.4.17", "7.4.16", "7.4.15", "7.4.14", "7.4.13", "7.4.12", "7.4.11", "7.4.10", "7.4.9", "7.4.8", "7.4.7", "7.4.6", "7.4.5", "7.4.4", "7.4.3", "7.4.2", "7.4.1", "7.4.0", "7.3.8", "7.3.7", "7.3.6", "7.3.1", "7.3.0", "7.2.11", "7.2.10"]

	_DELIVERED_ONDEMAND = ('radiko.jp',)
	_DOESNT_WORK_WITH_FFMPEG = ('tf-f-rpaa-radiko.smartstream.ne.jp', 'si-f-radiko.smartstream.ne.jp')

	_region = None
	_user = None

	def _index_regions(self):
		region_data = {}

		tree = self._download_xml("https://radiko.jp/v3/station/region/full.xml", None, note="Indexing regions")
		for stations in tree:
			for station in stations:
				area = station.find("area_id").text
				station_id = station.find("id").text
				region_data[station_id] = area

		self.cache.store("rajiko", "region_index", region_data)
		return region_data

	def _get_coords(self, area_id):
		latlong = self._COORDINATES[area_id]
		lat = latlong[0]
		long = latlong[1]
		# +/- 0 ~ 0.025 --> 0 ~ 1.5' ->  +/-  0 ~ 2.77/2.13km
		lat = lat + random.random() / 40.0 * (random.choice([1, -1]))
		long = long + random.random() / 40.0 * (random.choice([1, -1]))
		coords = f"{round(lat, 6)},{round(long, 6)},gps"
		self.write_debug(coords)
		return coords

	def _generate_random_info(self):
		version_info = random.choice(self._ANDROID_VERSIONS)
		android_version = version_info["version"]
		sdk = version_info["sdk"]
		build = random.choice(version_info["builds"])
		model = random.choice(self._MODELS)

		info = {
			"X-Radiko-App": "aSmartPhone7a",
			"X-Radiko-App-Version": random.choice(self._APP_VERSIONS),
			"X-Radiko-Device": f"{sdk}.{model}",
			"X-Radiko-User": ''.join(random.choices('0123456789abcdef', k=32)),
			"User-Agent": f"Dalvik/2.1.0 (Linux; U; Android {android_version};{model}/{build})",
		}
		return info

	def _get_station_region(self, station):
		regions = self.cache.load("rajiko", "region_index")
		if regions is None or station not in regions:
			self.write_debug(f"station {station} not found, re-indexing in case it's new")
			regions = self._index_regions()

		return regions[station]

	def _negotiate_token(self, station_region):
		device_info = self._generate_random_info()
		response, auth1_handle = self._download_webpage_handle("https://radiko.jp/v2/api/auth1", None,
			"Authenticating: step 1", headers=device_info)

		self.write_debug(response)

		auth1_response_headers = auth1_handle.headers
		auth_token = auth1_response_headers["X-Radiko-AuthToken"]

		key_length = int(auth1_response_headers["X-Radiko-KeyLength"])
		key_offset = int(auth1_response_headers["X-Radiko-KeyOffset"])
		self.write_debug(f"KeyLength: {key_length}")
		self.write_debug(f"KeyOffset: {key_offset}")

		raw_partial_key = self._FULL_KEY[key_offset:key_offset + key_length]
		partial_key = base64.b64encode(raw_partial_key).decode("ascii")
		self.write_debug(partial_key)

		coords = self._get_coords(station_region)
		auth2_headers = {
			**device_info,
			"X-Radiko-AuthToken": auth_token,
			"X-Radiko-Location": coords,
			"X-Radiko-Connection": random.choice(("wifi", "mobile",)),
			"X-Radiko-Partialkey": partial_key,
		}

		auth2 = self._download_webpage("https://radiko.jp/v2/api/auth2", station_region,
			"Authenticating: step 2", headers=auth2_headers)
		self.write_debug(auth2.strip())
		actual_region, region_kanji, region_english = auth2.split(",")

		region_mismatch = actual_region != station_region
		if region_mismatch:
			self.report_warning(f"Region mismatch: Expected {station_region}, got {actual_region}. Coords: {coords}.")
			self.report_warning("Please report this at https://github.com/garret1317/yt-dlp-rajiko/issues")
			self.report_warning(auth2.strip())
			self.report_warning(auth2_headers)

		token = {
			"X-Radiko-AreaId": actual_region,
			"X-Radiko-AuthToken": auth_token,
		}

		self._user = auth2_headers["X-Radiko-User"]
		if not region_mismatch:
			self.cache.store("rajiko", station_region, {
				"token": token,
				"user": self._user,
			})
		return token

	def _auth(self, station_region):
		cachedata = self.cache.load("rajiko", station_region)
		self.write_debug(cachedata)
		if cachedata is not None:
			token = cachedata.get("token")
			self._user = cachedata.get("user")
			response = self._download_webpage("https://radiko.jp/v2/api/auth_check", station_region, "Checking cached token",
				headers=token, expected_status=401)
			self.write_debug(response)
			if response == "OK":
				return token
		return self._negotiate_token(station_region)

	def _get_station_meta(self, region, station_id):
		cachedata = self.cache.load("rajiko", station_id)
		now = datetime.datetime.now()
		if cachedata is None or cachedata.get("expiry") < now.timestamp():
			region = self._download_xml(f"https://radiko.jp/v3/station/list/{region}.xml", station_id,
				note="Downloading station metadata")
			station = region.find(f'.//station/id[.="{station_id}"]/..')  # a <station> with an <id> of our station_id
			station_name = station.find("name").text
			station_url = url_or_none(station.find("href").text)
			meta = {
				"id": station_id,
				"title": station_name,
				"alt_title": station.find("ascii_name").text,

				"channel": station_name,
				"channel_id": station_id,
				"channel_url": station_url,

				"uploader": station_name,
				"uploader_id": station_id,
				"uploader_url": station_url,

				"thumbnail": url_or_none(station.find("banner").text),
			}
			self.cache.store("rajiko", station_id, {
				"expiry": (now + datetime.timedelta(days=1)).timestamp(),
				"meta": meta
			})
			return meta
		else:
			self.to_screen(f"{station_id}: Using cached station metadata")
			return cachedata.get("meta")

	def _get_station_formats(self, station, timefree, auth_data, start_at=None, end_at=None):
		device = self._configuration_arg('device', ['aSmartPhone7a'], casesense=True, ie_key="rajiko")[0]  # aSmartPhone7a formats = always happy path
		url_data = self._download_xml(f"https://radiko.jp/v3/station/stream/{device}/{station}.xml",
			station, note=f"Downloading {device} stream information")

		seen_urls = []
		formats = []

		timefree_int = 1 if timefree else 0
		for element in url_data.findall(f".//url[@timefree='{timefree_int}'][@areafree='0']/playlist_create_url"):
		# find <url>s with matching timefree and no areafree, then get their <playlist_create_url>
			url = element.text
			if url in seen_urls:  # there are always dupes, even with ^ specific filtering
				continue

			seen_urls.append(url)
			playlist_url = update_url_query(url, {
					"station_id": station,
					"l": "15",  # l = length, ie how many seconds in the live m3u8 (max 300)
					"lsid": self._user,
					"type": "b",  # it is a mystery
				})

			if timefree:
				playlist_url = update_url_query(playlist_url, {
					"start_at": start_at.timestring(),
					"ft": start_at.timestring(),

					"end_at": end_at.timestring(),
					"to": end_at.timestring(),
				})

			domain = urllib.parse.urlparse(playlist_url).netloc

			# defaults
			delivered_live = True
			preference = -1
			entry_protocol = 'm3u8'

			if domain in self._DOESNT_WORK_WITH_FFMPEG:
					self.write_debug(f"skipping {domain} (known not working)")
					continue
			elif domain in self._DELIVERED_ONDEMAND:
					# override the defaults for delivered as on-demand
					delivered_live = False
					preference = 1
					entry_protocol = None

			formats += self._extract_m3u8_formats(
				playlist_url, station, m3u8_id=domain, fatal=False, headers=auth_data,
				live=delivered_live, preference=preference, entry_protocol=entry_protocol,
				note=f"Downloading m3u8 information from {domain}")
		return formats


class RadikoLiveIE(_RadikoBaseIE):
	_VALID_URL = [
		r"https?://(?:www\.)?radiko\.jp/#!/live/(?P<id>[A-Z0-9-_]+)",
		r"https?://(?:www\.)?radiko\.jp/#(?P<id>[A-Z0-9-_]+)"
	]
	_TESTS = [{
		# JP13 (Tokyo)
		"url": "https://radiko.jp/#!/live/FMT",
		"info_dict": {
			"ext": "m4a",
			"live_status": "is_live",

			"id": "FMT",
			"title": "re:^TOKYO FM.+$",
			"alt_title": "TOKYO FM",
			"thumbnail": "https://radiko.jp/res/banner/FMT/20220512162447.jpg",

			"channel": "TOKYO FM",
			"channel_id": "FMT",
			"channel_url": "https://www.tfm.co.jp/",

			"uploader": "TOKYO FM",
			"uploader_id": "FMT",
			"uploader_url": "https://www.tfm.co.jp/",
		},
	}, {
		# JP1 (Hokkaido) - shorthand
		"url": "https://radiko.jp/#NORTHWAVE",
		"info_dict": {
			"ext": "m4a",
			"live_status": "is_live",

			"id": "NORTHWAVE",
			"title": "re:^FM NORTH WAVE.+$",
			"alt_title": "FM NORTH WAVE",
			"thumbnail": "https://radiko.jp/res/banner/NORTHWAVE/20150731161543.png",

			"uploader": "FM NORTH WAVE",
			"uploader_url": "https://www.fmnorth.co.jp/",
			"uploader_id": "NORTHWAVE",

			"channel": "FM NORTH WAVE",
			"channel_url": "https://www.fmnorth.co.jp/",
			"channel_id": "NORTHWAVE",
		},
	}, {
		# ALL (all prefectures)
		# api still specifies a prefecture though, in this case JP13 (Tokyo), so that's what it auths as
		"url": "https://radiko.jp/#!/live/RN1",
		"info_dict": {
			"ext": "m4a",
			"live_status": "is_live",

			"id": "RN1",
			"title": "re:^ラジオNIKKEI第1.+$",
			"alt_title": "RADIONIKKEI",
			"thumbnail": "https://radiko.jp/res/banner/RN1/20120802154152.png",

			"channel": "ラジオNIKKEI第1",
			"channel_url": "http://www.radionikkei.jp/",
			"channel_id": "RN1",

			"uploader": "ラジオNIKKEI第1",
			"uploader_url": "http://www.radionikkei.jp/",
			"uploader_id": "RN1",
		},
	}]

	def _real_extract(self, url):
		station = self._match_id(url)
		region = self._get_station_region(station)
		station_meta = self._get_station_meta(region, station)
		auth_data = self._auth(region)
		formats = self._get_station_formats(station, False, auth_data)

		return {
			"is_live": True,
			"id": station,
			**station_meta,
			"formats": formats,
		}


class RadikoTimeFreeIE(_RadikoBaseIE):
	_VALID_URL = r"https?://(?:www\.)?radiko\.jp/#!/ts/(?P<station>[A-Z0-9-_]+)/(?P<id>\d+)"
	_TESTS = [{
		"url": "https://radiko.jp/#!/ts/INT/20240802230000",
		"info_dict": {
			"live_status": "was_live",
			"ext": "m4a",
			"id": "INT-20240802230000",

			"title": "TOKYO MOON",
			"series": "Tokyo Moon",
			"description": "md5:20e68d2f400a391fa34d4e7c8c702cb8",
			"chapters": "count:15",
			"thumbnail": "https://program-static.cf.radiko.jp/ehwtw6mcvy.jpg",

			"upload_date": "20240802",
			"timestamp": 1722607200.0,
			"release_date": "20240802",
			"release_timestamp": 1722610800.0,
			"duration": 3600,

			"channel": "interfm",
			"channel_id": "INT",
			"channel_url": "https://www.interfm.co.jp/",
			"uploader": "interfm",
			"uploader_id": "INT",
			"uploader_url": "https://www.interfm.co.jp/",

			"cast": ["松浦\u3000俊夫"],
			"tags": ["松浦俊夫"],
		},
	}, {
		# late-night/early-morning show to test broadcast day checking
		"url": "https://radiko.jp/#!/ts/TBS/20240803033000",
		"info_dict": {
			"live_status": "was_live",
			"ext": "m4a",
			"id": "TBS-20240803033000",

			"title": "CITY CHILL CLUB",
			"series": "CITY CHILL CLUB",
			"description": "md5:3fba2c1125059bed27247c0be90e58fa",
			"chapters": "count:24",
			"thumbnail": "https://program-static.cf.radiko.jp/ku7t4ztnaq.jpg",

			"upload_date": "20240802",
			"timestamp": 1722623400.0,
			"release_date": "20240802",
			"release_timestamp": 1722628800.0,
			"duration": 5400,

			"channel": "TBSラジオ",
			"channel_url": "https://www.tbsradio.jp/",
			"channel_id": "TBS",
			"uploader": "TBSラジオ",
			"uploader_url": "https://www.tbsradio.jp/",
			"uploader_id": "TBS",

			"tags": ["CCC905", "音楽との出会いが楽しめる", "人気アーティストトーク", "音楽プロデューサー出演", "ドライブ中におすすめ", "寝る前におすすめ", "学生におすすめ"],
			"cast": ["PES"],
		},
	}]

	def _get_programme_meta(self, station_id, url_time):
		day = url_time.broadcast_day_string()
		meta = self._download_json(f"https://radiko.jp/v4/program/station/date/{day}/{station_id}.json", station_id,
			note="Downloading programme data")
		programmes = traverse_obj(meta, ("stations", lambda _, v: v["station_id"] == station_id,
			"programs", "program"), get_all=False)

		for prog in programmes:
			if prog["ft"] <= url_time.timestring() < prog["to"]:
				actual_start = rtime.RadikoSiteTime(prog["ft"])
				actual_end = rtime.RadikoSiteTime(prog["to"])

				if len(prog.get("person")) > 0:
					cast = [person.get("name") for person in prog.get("person")]
				else:
					cast = [prog.get("performer")]

				return {
					"id": join_nonempty(station_id, actual_start.timestring()),
					"timestamp": actual_start.timestamp(),
					"release_timestamp": actual_end.timestamp(),
					"cast": cast,
					"description": clean_html(join_nonempty("summary", "description", from_dict=prog, delim="\n")),
					**traverse_obj(prog, {
							"title": "title",
							"duration": "dur",
							"thumbnail": "img",
							"series": "season_name",
							"tags": "tag",
						}
					)}, (actual_start, actual_end), int_or_none(prog.get("ts_in_ng")) != 2

	def _extract_chapters(self, station, start, end, video_id=None):
		start_str = urllib.parse.quote(start.isoformat())
		end_str = urllib.parse.quote(end.isoformat())
		data = self._download_json(f"https://api.radiko.jp/music/api/v1/noas/{station}?start_time_gte={start_str}&end_time_lt={end_str}",
			video_id, note="Downloading tracklist").get("data")

		chapters = []
		for track in data:
			artist = traverse_obj(track, ("artist", "name")) or track.get("artist_name")
			chapters.append({
				"title": join_nonempty(artist, track.get("title"), delim=" - "),
				"start_time": (datetime.datetime.fromisoformat(track.get("displayed_start_time")) - start).total_seconds(),
			})

		return chapters

	def _real_extract(self, url):
		station, timestring = self._match_valid_url(url).group("station", "id")
		url_time = rtime.RadikoSiteTime(timestring)
		meta, times, available = self._get_programme_meta(station, url_time)
		live_status = "was_live"

		if not available:
			self.raise_no_formats("This programme is not available. If this is an NHK station, you may wish to try NHK Radiru.",
				video_id=meta["id"], expected=True)

		start = times[0]
		end = times[1]
		now = datetime.datetime.now(tz=rtime.JST)

		if end.broadcast_day_end() < now - datetime.timedelta(days=7):
			self.raise_no_formats("Programme is no longer available.", video_id=meta["id"], expected=True)
		elif start > now:
			self.raise_no_formats("Programme has not aired yet.", video_id=meta["id"], expected=True)
			live_status = "is_upcoming"
		elif start <= now < end:
			live_status = "is_upcoming"
			self.raise_no_formats("Programme has not finished airing yet.", video_id=meta["id"], expected=True)

		region = self._get_station_region(station)
		station_meta = self._get_station_meta(region, station)
		chapters = self._extract_chapters(station, start, end, video_id=meta["id"])
		auth_data = self._auth(region)
		formats = self._get_station_formats(station, True, auth_data, start_at=start, end_at=end)

		return {
			**station_meta,
			"alt_title": None,
			**meta,
			"chapters": chapters,
			"formats": formats,
			"live_status": live_status,
			"container": "m4a_dash",  # force fixup, AAC-only HLS
		}


class RadikoSearchIE(InfoExtractor):
	_VALID_URL = r"https?://(?:www\.)?radiko\.jp/#!/search/(?:timeshift|live|history)\?"
	_TESTS = [{
		# timefree, specific area
		"url": "https://radiko.jp/#!/search/live?key=city%20chill%20club&filter=past&start_day=&end_day=&region_id=&area_id=JP13&cul_area_id=JP13&page_idx=0",
		"playlist_mincount": 4,
		"info_dict": {
			"id": "city chill club-past-all-JP13",
			"title": "city chill club",
		}
	}, {
		# live/future, whole country
		"url": "https://radiko.jp/#!/search/live?key=%EF%BC%AE%EF%BC%A8%EF%BC%AB%E3%83%8B%E3%83%A5%E3%83%BC%E3%82%B9&filter=future&start_day=&end_day=&region_id=all&area_id=JP13&cul_area_id=JP13&page_idx=0",
		"playlist_mincount": 8,
		"info_dict": {
			"id": "ＮＨＫニュース-future-all-all",
			"title": "ＮＨＫニュース",
		},
	}, {
		# ludicrous amount of results (multi-page)
		"url": "https://radiko.jp/#!/search/live?key=%E3%83%8B%E3%83%A5%E3%83%BC%E3%82%B9",
		"playlist_mincount": 100,
		"info_dict": {
			"id": "ニュース-all-all",
			"title": "ニュース"
		},
	}]

	def _strip_date(self, date):
		return date.replace(" ", "").replace("-", "").replace(":", "")

	def _pagefunc(self, url, idx):
		url = update_url_query(url, {"page_idx": idx})
		data = self._download_json(url, None, note=f"Downloading page {idx+1}")

		return [self.url_result("https://radiko.jp/#!/ts/{station}/{time}".format(
				station = i.get("station_id"), time = self._strip_date(i.get("start_time"))))
			for i in data.get("data")]

	def _real_extract(self, url):
		url = url.replace("/#!/", "/!/", 1)
		# urllib.parse interprets the path as just one giant fragment because of the #, so we hack it away
		queries = parse_qs(url)

		search_url = update_url_query("https://radiko.jp/v3/api/program/search", {
			**queries,
			"uid": "".join(random.choices("0123456789abcdef", k=32)),
			"app_id": "pc",
			"row_limit": 50,  # higher row_limit = more results = less requests = more good
		})

		results = OnDemandPagedList(lambda idx: self._pagefunc(search_url, idx), 50)

		key = traverse_obj(queries, ("key", 0))
		day = traverse_obj(queries, ("start_day", 0)) or "all"
		region = traverse_obj(queries, ("region_id", 0)) or traverse_obj(queries, ("area_id", 0))
		status_filter = traverse_obj(queries, ("filter", 0)) or "all"

		playlist_id = join_nonempty(key, status_filter, day, region)

		return {
			"_type": "playlist",
			"title": traverse_obj(queries, ("key", 0)),
			"id": playlist_id,
			"entries": results,
		}

class RadikoShareIE(InfoExtractor):
	_VALID_URL = r"https?://(?:www\.)?radiko\.jp/share/"
	_TESTS = [{
		# 29-hour time -> 24-hour time
		"url": "http://radiko.jp/share/?sid=FMT&t=20240802240000",
		"info_dict": {
			"live_status": "was_live",
			"ext": "m4a",
			"id": "FMT-20240803000000",  # the time given (24:00) works out to 00:00 the next day

			"title": "JET STREAM",
			"series": "JET STREAM",
			"description": "md5:c1a2172036ebb7a54eeafb47e0a08a50",
			"chapters": "count:9",
			"thumbnail": "https://program-static.cf.radiko.jp/greinlrspi.jpg",

			"upload_date": "20240802",
			"timestamp": 1722610800.0,
			"release_date": "20240802",
			"release_timestamp": 1722614100.0,
			"duration": 3300,

			"channel": "TOKYO FM",
			"channel_id": "FMT",
			"channel_url": "https://www.tfm.co.jp/",
			"uploader": "TOKYO FM",
			"uploader_id": "FMT",
			"uploader_url": "https://www.tfm.co.jp/",

			"cast": ["福山雅治"],
			"tags": ["福山雅治", "夜間飛行", "音楽との出会いが楽しめる", "朗読を楽しめる", "寝る前に聴きたい"],
		}
	}]

	def _real_extract(self, url):
		queries = parse_qs(url)
		station = traverse_obj(queries, ("sid", 0))
		time = traverse_obj(queries, ("t", 0))
		time = rtime.RadikoShareTime(time).timestring()
		return self.url_result(f"https://radiko.jp/#!/ts/{station}/{time}", RadikoTimeFreeIE)


class RadikoStationButtonIE(InfoExtractor):
	_VALID_URL = r"https?://(?:www\.)?radiko\.jp/button-embed/live/"
	_EMBED_REGEX = [fr"<iframe[^>]+src=[\"'](?P<url>{_VALID_URL}[^\"']+)"]

	# supposedly it'll only allow a few stations from a few domains https://radiko.jp/res/app/external/web/playback_permission.json
	_TESTS = [{
		"url": "https://radiko.jp/button-embed/live/?layout=1&station_id=QRR&theme=0",
		"info_dict": {
			"ext": "m4a",
			'live_status': 'is_live',

			"id": "QRR",
			"title": "re:^文化放送.+$",
			'alt_title': 'JOQR BUNKA HOSO',
			'thumbnail': 'https://radiko.jp/res/banner/QRR/20240423144553.png',
			'channel': '文化放送',
			'channel_id': 'QRR',
			'channel_url': 'http://www.joqr.co.jp/',
			'uploader': '文化放送',
			'uploader_id': 'QRR',
			'uploader_url': 'http://www.joqr.co.jp/',

		}
	}]

	_WEBPAGE_TESTS = [{
		"url": "https://cocolo.jp/",
		"info_dict": {
			"ext": "m4a",
			"live_status": "is_live",
			'id': 'CCL',
			"title": "re:^FM COCOLO.+$",
			'alt_title': 'FM COCOLO',
			'thumbnail': 'https://radiko.jp/res/banner/CCL/20161014144826.png',

			'channel': 'FM COCOLO',
			'channel_id': 'CCL',
			'channel_url': 'https://cocolo.jp',
			'uploader': 'FM COCOLO',
			'uploader_id': 'CCL',
			'uploader_url': 'https://cocolo.jp',
		},
	}]

	def _real_extract(self, url):
		queries = parse_qs(url)
		station = traverse_obj(queries, ("station_id", 0))

		return self.url_result(f"https://radiko.jp/#!/live/{station}", RadikoLiveIE)