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add dm params

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_Grqz 2025-07-15 14:44:05 +12:00
parent d93663451d
commit 92173d7bc9
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1 changed files with 48 additions and 5 deletions
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53
yt_dlp/extractor/bilibili.py
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@ -166,6 +166,48 @@ def _sign_wbi(self, params, video_id):
params['w_rid'] = hashlib.md5(f'{query}{self._get_wbi_key(video_id)}'.encode()).hexdigest()
return params
@staticmethod
@functools.cache
def __screen_dimensions():
DIMENSIONS = [
((1920, 1080), 18),
((1366, 768), 18),
((1536, 864), 17),
((1280, 720), 8),
((2560, 1440), 7),
((1440, 900), 5),
((1600, 900), 5),
]
dims = [dim for dim, _ in DIMENSIONS]
prefs = [pref for _, pref in DIMENSIONS]
return random.choices(dims, weights=prefs)[0]
@property
def _dm_params(self):
def get_wh(width=1920, height=1080):
# return [6093, 6631, 31]
res0, res1 = width, height
rnd = math.floor(114 * random.random())
return [2 * res0 + 2 * res1 + 3 * rnd, 4 * res0 - res1 + rnd, rnd]
def get_of(scroll_top=10, scroll_left=10):
# return [430, 760, 380]
res0, res1 = scroll_top, scroll_left
rnd = math.floor(514 * random.random())
return [3 * res0 + 2 * res1 + rnd, 4 * res0 - 4 * res1 + 2 * rnd, rnd]
# .dm_img_list and .dm_img_inter.ds are more troublesome as user interactions are involved.
# Leave them empty for now as the site isn't checking them yet.
# Reference: https://github.com/SocialSisterYi/bilibili-API-collect/issues/868#issuecomment-1908690516
return {
'dm_img_list': '[]',
'dm_img_str': base64.b64encode(
''.join(random.choices(string.printable, k=random.randint(16, 64))).encode())[:-2].decode(),
'dm_cover_img_str': base64.b64encode(
''.join(random.choices(string.printable, k=random.randint(32, 128))).encode())[:-2].decode(),
'dm_img_inter': {'ds': [], 'wh': get_wh(*self.__screen_dimensions()), 'of': get_of(random.randint(0, 100), 0)},
}
def _download_playinfo(self, bvid, cid, headers=None, query=None):
params = {'bvid': bvid, 'cid': cid, 'fnval': 4048, **(query or {})}
if self.is_logged_in:
@ -175,14 +217,15 @@ def _download_playinfo(self, bvid, cid, headers=None, query=None):
else:
note = f'Downloading video formats for cid {cid}'
playurl_raw = self._download_json(
playurl_data = self._download_json(
'https://api.bilibili.com/x/player/wbi/playurl', bvid,
query=self._sign_wbi(params, bvid), headers=headers, note=note)
if playurl_raw.get('v_voucher'):
return playurl_raw['data']
else:
query=self._sign_wbi(merge_dicts(params, self._dm_params), bvid), headers=headers, note=note)['data']
if playurl_data.get('v_voucher'):
self.report_warning('Received a captcha from Bilibili while downloading play info')
self.write_debug(playurl_data)
return None
else:
return playurl_data
def json2srt(self, json_data):
srt_data = ''