diff --git a/yt_dlp/extractor/abematv.py b/yt_dlp/extractor/abematv.py new file mode 100644 index 0000000000..66b12c72f7 --- /dev/null +++ b/yt_dlp/extractor/abematv.py @@ -0,0 +1,488 @@ +import io +import json +import time +import hashlib +import hmac +import re +import struct +from base64 import urlsafe_b64encode +from binascii import unhexlify + +import typing +if typing.TYPE_CHECKING: + from ..YoutubeDL import YoutubeDL + +from .common import InfoExtractor +from ..aes import aes_ecb_decrypt +from ..compat import ( + compat_urllib_response, + compat_urllib_parse_urlparse, + compat_urllib_request, +) +from ..utils import ( + ExtractorError, + decode_base, + int_or_none, + random_uuidv4, + request_to_url, + time_seconds, + update_url_query, + traverse_obj, + intlist_to_bytes, + bytes_to_intlist, + urljoin, +) + + +# NOTE: network handler related code is temporary thing until network stack overhaul PRs are merged (#2861/#2862) + +def add_opener(self: 'YoutubeDL', handler): + ''' Add a handler for opening URLs, like _download_webpage ''' + # https://github.com/python/cpython/blob/main/Lib/urllib/request.py#L426 + # https://github.com/python/cpython/blob/main/Lib/urllib/request.py#L605 + assert isinstance(self._opener, compat_urllib_request.OpenerDirector) + self._opener.add_handler(handler) + + +def remove_opener(self: 'YoutubeDL', handler): + ''' + Remove handler(s) for opening URLs + @param handler Either handler object itself or handler type. + Specifying handler type will remove all handler which isinstance returns True. + ''' + # https://github.com/python/cpython/blob/main/Lib/urllib/request.py#L426 + # https://github.com/python/cpython/blob/main/Lib/urllib/request.py#L605 + opener = self._opener + assert isinstance(self._opener, compat_urllib_request.OpenerDirector) + if isinstance(handler, (type, tuple)): + find_cp = lambda x: isinstance(x, handler) + else: + find_cp = lambda x: x is handler + + removed = [] + for meth in dir(handler): + if meth in ["redirect_request", "do_open", "proxy_open"]: + # oops, coincidental match + continue + + i = meth.find("_") + protocol = meth[:i] + condition = meth[i + 1:] + + if condition.startswith("error"): + j = condition.find("_") + i + 1 + kind = meth[j + 1:] + try: + kind = int(kind) + except ValueError: + pass + lookup = opener.handle_error.get(protocol, {}) + opener.handle_error[protocol] = lookup + elif condition == "open": + kind = protocol + lookup = opener.handle_open + elif condition == "response": + kind = protocol + lookup = opener.process_response + elif condition == "request": + kind = protocol + lookup = opener.process_request + else: + continue + + handlers = lookup.setdefault(kind, []) + if handlers: + handlers[:] = [x for x in handlers if not find_cp(x)] + + removed.append(x for x in handlers if find_cp(x)) + + if removed: + for x in opener.handlers: + if find_cp(x): + x.add_parent(None) + opener.handlers[:] = [x for x in opener.handlers if not find_cp(x)] + + +class AbemaLicenseHandler(compat_urllib_request.BaseHandler): + handler_order = 499 + STRTABLE = '123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz' + HKEY = b'3AF0298C219469522A313570E8583005A642E73EDD58E3EA2FB7339D3DF1597E' + + def __init__(self, ie: 'AbemaTVIE'): + # the protcol that this should really handle is 'abematv-license://' + # abematv_license_open is just a placeholder for development purposes + # ref. https://github.com/python/cpython/blob/f4c03484da59049eb62a9bf7777b963e2267d187/Lib/urllib/request.py#L510 + setattr(self, 'abematv-license_open', getattr(self, 'abematv_license_open')) + self.ie = ie + + def _get_videokey_from_ticket(self, ticket): + to_show = self.ie._downloader.params.get('verbose', False) + media_token = self.ie._get_media_token(to_show=to_show) + + license_response = self.ie._download_json( + 'https://license.abema.io/abematv-hls', None, note='Requesting playback license' if to_show else False, + query={'t': media_token}, + data=json.dumps({ + 'kv': 'a', + 'lt': ticket + }).encode('utf-8'), + headers={ + 'Content-Type': 'application/json', + }) + + res = decode_base(license_response['k'], self.STRTABLE) + encvideokey = bytes_to_intlist(struct.pack('>QQ', res >> 64, res & 0xffffffffffffffff)) + + h = hmac.new( + unhexlify(self.HKEY), + (license_response['cid'] + self.ie._DEVICE_ID).encode('utf-8'), + digestmod=hashlib.sha256) + enckey = bytes_to_intlist(h.digest()) + + return intlist_to_bytes(aes_ecb_decrypt(encvideokey, enckey)) + + def abematv_license_open(self, url): + url = request_to_url(url) + ticket = compat_urllib_parse_urlparse(url).netloc + response_data = self._get_videokey_from_ticket(ticket) + return compat_urllib_response.addinfourl(io.BytesIO(response_data), headers={ + 'Content-Length': len(response_data), + }, url=url, code=200) + + +class AbemaTVBaseIE(InfoExtractor): + def _extract_breadcrumb_list(self, webpage, video_id): + for jld in re.finditer( + r'(?is)]+type=(["\']?)application/ld\+json\1[^>]*>(?P.+?)', + webpage): + jsonld = self._parse_json(jld.group('json_ld'), video_id, fatal=False) + if jsonld: + if jsonld.get('@type') != 'BreadcrumbList': + continue + trav = traverse_obj(jsonld, ('itemListElement', ..., 'name')) + if trav: + return trav + return [] + + +class AbemaTVIE(AbemaTVBaseIE): + _VALID_URL = r'https?://abema\.tv/(?Pnow-on-air|video/episode|channels/.+?/slots)/(?P[^?/]+)' + _NETRC_MACHINE = 'abematv' + _TESTS = [{ + 'url': 'https://abema.tv/video/episode/194-25_s2_p1', + 'info_dict': { + 'id': '194-25_s2_p1', + 'title': '第1話 「チーズケーキ」 「モーニング再び」', + 'series': '異世界食堂2', + 'series_number': 2, + 'episode': '第1話 「チーズケーキ」 「モーニング再び」', + 'episode_number': 1, + }, + 'skip': 'expired', + }, { + 'url': 'https://abema.tv/channels/anime-live2/slots/E8tvAnMJ7a9a5d', + 'info_dict': { + 'id': 'E8tvAnMJ7a9a5d', + 'title': 'ゆるキャン△ SEASON2 全話一挙【無料ビデオ72時間】', + 'series': 'ゆるキャン△ SEASON2', + 'episode': 'ゆるキャン△ SEASON2 全話一挙【無料ビデオ72時間】', + 'series_number': 2, + 'episode_number': 1, + 'description': 'md5:9c5a3172ae763278f9303922f0ea5b17', + }, + 'skip': 'expired', + }, { + 'url': 'https://abema.tv/video/episode/87-877_s1282_p31047', + 'info_dict': { + 'id': 'E8tvAnMJ7a9a5d', + 'title': '第5話『光射す』', + 'description': 'md5:56d4fc1b4f7769ded5f923c55bb4695d', + 'thumbnail': r're:https://hayabusa\.io/.+', + 'series': '相棒', + 'episode': '第5話『光射す』', + }, + 'skip': 'expired', + }, { + 'url': 'https://abema.tv/now-on-air/abema-anime', + 'info_dict': { + 'id': 'abema-anime', + # this varies + # 'title': '女子高生の無駄づかい 全話一挙【無料ビデオ72時間】', + 'description': 'md5:55f2e61f46a17e9230802d7bcc913d5f', + 'is_live': True, + }, + 'skip': 'Not supported until yt-dlp implements native live downloader OR AbemaTV can start a local HTTP server', + }] + _USERTOKEN = None + _DEVICE_ID = None + _TIMETABLE = None + _MEDIATOKEN = None + + _SECRETKEY = b'v+Gjs=25Aw5erR!J8ZuvRrCx*rGswhB&qdHd_SYerEWdU&a?3DzN9BRbp5KwY4hEmcj5#fykMjJ=AuWz5GSMY-d@H7DMEh3M@9n2G552Us$$k9cD=3TxwWe86!x#Zyhe' + + def _generate_aks(self, deviceid): + deviceid = deviceid.encode('utf-8') + # add 1 hour and then drop minute and secs + ts_1hour = int((time_seconds(hours=9) // 3600 + 1) * 3600) + time_struct = time.gmtime(ts_1hour) + ts_1hour_str = str(ts_1hour).encode('utf-8') + + tmp = None + + def mix_once(nonce): + nonlocal tmp + h = hmac.new(self._SECRETKEY, digestmod=hashlib.sha256) + h.update(nonce) + tmp = h.digest() + + def mix_tmp(count): + nonlocal tmp + for i in range(count): + mix_once(tmp) + + def mix_twist(nonce): + nonlocal tmp + mix_once(urlsafe_b64encode(tmp).rstrip(b'=') + nonce) + + mix_once(self._SECRETKEY) + mix_tmp(time_struct.tm_mon) + mix_twist(deviceid) + mix_tmp(time_struct.tm_mday % 5) + mix_twist(ts_1hour_str) + mix_tmp(time_struct.tm_hour % 5) + + return urlsafe_b64encode(tmp).rstrip(b'=').decode('utf-8') + + def _get_device_token(self): + if self._USERTOKEN: + return self._USERTOKEN + + self._DEVICE_ID = random_uuidv4() + aks = self._generate_aks(self._DEVICE_ID) + user_data = self._download_json( + 'https://api.abema.io/v1/users', None, note='Authorizing', + data=json.dumps({ + 'deviceId': self._DEVICE_ID, + 'applicationKeySecret': aks, + }).encode('utf-8'), + headers={ + 'Content-Type': 'application/json', + }) + self._USERTOKEN = user_data['token'] + + # don't allow adding it 2 times or more, though it's guarded + remove_opener(self._downloader, AbemaLicenseHandler) + add_opener(self._downloader, AbemaLicenseHandler(self)) + + return self._USERTOKEN + + def _get_media_token(self, invalidate=False, to_show=True): + if not invalidate and self._MEDIATOKEN: + return self._MEDIATOKEN + + self._MEDIATOKEN = self._download_json( + 'https://api.abema.io/v1/media/token', None, note='Fetching media token' if to_show else False, + query={ + 'osName': 'android', + 'osVersion': '6.0.1', + 'osLang': 'ja_JP', + 'osTimezone': 'Asia/Tokyo', + 'appId': 'tv.abema', + 'appVersion': '3.27.1' + }, headers={ + 'Authorization': 'bearer ' + self._get_device_token() + })['token'] + + return self._MEDIATOKEN + + def _real_initialize(self): + self._login() + + def _login(self): + username, password = self._get_login_info() + # No authentication to be performed + if not username: + return True + + if '@' in username: # don't strictly check if it's email address or not + ep, method = 'user/email', 'email' + else: + ep, method = 'oneTimePassword', 'userId' + + login_response = self._download_json( + f'https://api.abema.io/v1/auth/{ep}', None, note='Logging in', + data=json.dumps({ + method: username, + 'password': password + }).encode('utf-8'), headers={ + 'Authorization': 'bearer ' + self._get_device_token(), + 'Origin': 'https://abema.tv', + 'Referer': 'https://abema.tv/', + 'Content-Type': 'application/json', + }) + + self._USERTOKEN = login_response['token'] + self._get_media_token(True) + + def _real_extract(self, url): + # starting download using infojson from this extractor is undefined behavior, + # and never be fixed in the future; you must trigger downloads by directly specifing URL. + # (unless there's a way to hook before downloading by extractor) + video_id, video_type = self._match_valid_url(url).group('id', 'type') + headers = { + 'Authorization': 'Bearer ' + self._get_device_token(), + } + video_type = video_type.split('/')[-1] + + webpage = self._download_webpage(url, video_id) + canonical_url = self._search_regex( + r'(.+?)', webpage, 'title', default=None) + if not title: + jsonld = None + for jld in re.finditer( + r'(?is)(?:)?]+type=(["\']?)application/ld\+json\1[^>]*>(?P.+?)', + webpage): + jsonld = self._parse_json(jld.group('json_ld'), video_id, fatal=False) + if jsonld: + break + if jsonld: + title = jsonld.get('caption') + if not title and video_type == 'now-on-air': + if not self._TIMETABLE: + # cache the timetable because it goes to 5MiB in size (!!) + self._TIMETABLE = self._download_json( + 'https://api.abema.io/v1/timetable/dataSet?debug=false', video_id, + headers=headers) + now = time_seconds(hours=9) + for slot in self._TIMETABLE.get('slots', []): + if slot.get('channelId') != video_id: + continue + if slot['startAt'] <= now and now < slot['endAt']: + title = slot['title'] + break + + # read breadcrumb on top of page + breadcrumb = self._extract_breadcrumb_list(webpage, video_id) + if breadcrumb: + # breadcrumb list translates to: (example is 1st test for this IE) + # Home > Anime (genre) > Isekai Shokudo 2 (series name) > Episode 1 "Cheese cakes" "Morning again" (episode title) + # hence this works + info['series'] = breadcrumb[-2] + info['episode'] = breadcrumb[-1] + if not title: + title = info['episode'] + + description = self._html_search_regex( + (r'(.+?)

(.+?)[^?/]+)' + + _TESTS = [{ + 'url': 'https://abema.tv/video/title/90-1597', + 'info_dict': { + 'id': '90-1597', + 'title': 'シャッフルアイランド', + }, + 'playlist_mincount': 2, + }, { + 'url': 'https://abema.tv/video/title/193-132', + 'info_dict': { + 'id': '193-132', + 'title': '真心が届く~僕とスターのオフィス・ラブ!?~', + }, + 'playlist_mincount': 16, + }] + + def _real_extract(self, url): + video_id = self._match_id(url) + webpage = self._download_webpage(url, video_id) + + playlist_title, breadcrumb = None, self._extract_breadcrumb_list(webpage, video_id) + if breadcrumb: + playlist_title = breadcrumb[-1] + + playlist = [ + self.url_result(urljoin('https://abema.tv/', mobj.group(1))) + for mobj in re.finditer(r'