2020-10-10 20:56:28 +05:30
|
|
|
import base64
|
|
|
|
|
import json
|
|
|
|
|
import math
|
|
|
|
|
import re
|
|
|
|
|
import traceback
|
2020-10-11 00:05:03 +05:30
|
|
|
import urllib
|
2020-10-10 20:56:28 +05:30
|
|
|
|
2020-10-11 00:05:03 +05:30
|
|
|
import cachetools.func
|
2020-10-10 20:56:28 +05:30
|
|
|
import flask
|
2020-10-11 00:05:03 +05:30
|
|
|
import gevent
|
|
|
|
|
|
|
|
|
|
import youtube.proto as proto
|
|
|
|
|
from youtube import util, yt_data_extract
|
2020-10-10 20:56:28 +05:30
|
|
|
|
|
|
|
|
headers_desktop = (
|
|
|
|
|
('Accept', '*/*'),
|
|
|
|
|
('Accept-Language', 'en-US,en;q=0.5'),
|
|
|
|
|
('X-YouTube-Client-Name', '1'),
|
|
|
|
|
('X-YouTube-Client-Version', '2.20180830'),
|
|
|
|
|
) + util.desktop_ua
|
|
|
|
|
headers_mobile = (
|
|
|
|
|
('Accept', '*/*'),
|
|
|
|
|
('Accept-Language', 'en-US,en;q=0.5'),
|
|
|
|
|
('X-YouTube-Client-Name', '2'),
|
|
|
|
|
('X-YouTube-Client-Version', '2.20180830'),
|
|
|
|
|
) + util.mobile_ua
|
|
|
|
|
real_cookie = (('Cookie', 'VISITOR_INFO1_LIVE=8XihrAcN1l4'),)
|
|
|
|
|
generic_cookie = (('Cookie', 'VISITOR_INFO1_LIVE=ST1Ti53r4fU'),)
|
|
|
|
|
|
|
|
|
|
# SORT:
|
|
|
|
|
# videos:
|
|
|
|
|
# Popular - 1
|
|
|
|
|
# Oldest - 2
|
|
|
|
|
# Newest - 3
|
|
|
|
|
# playlists:
|
|
|
|
|
# Oldest - 2
|
|
|
|
|
# Newest - 3
|
|
|
|
|
# Last video added - 4
|
|
|
|
|
|
|
|
|
|
# view:
|
|
|
|
|
# grid: 0 or 1
|
|
|
|
|
# list: 2
|
|
|
|
|
def channel_ctoken_v3(channel_id, page, sort, tab, view=1):
|
|
|
|
|
# page > 1 doesn't work when sorting by oldest
|
|
|
|
|
offset = 30*(int(page) - 1)
|
|
|
|
|
page_token = proto.string(61, proto.unpadded_b64encode(
|
|
|
|
|
proto.string(1, proto.unpadded_b64encode(proto.uint(1,offset)))
|
|
|
|
|
))
|
|
|
|
|
|
|
|
|
|
tab = proto.string(2, tab )
|
|
|
|
|
sort = proto.uint(3, int(sort))
|
|
|
|
|
|
|
|
|
|
shelf_view = proto.uint(4, 0)
|
|
|
|
|
view = proto.uint(6, int(view))
|
|
|
|
|
continuation_info = proto.string(3,
|
|
|
|
|
proto.percent_b64encode(tab + sort + shelf_view + view + page_token)
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
channel_id = proto.string(2, channel_id )
|
|
|
|
|
pointless_nest = proto.string(80226972, channel_id + continuation_info)
|
|
|
|
|
|
|
|
|
|
return base64.urlsafe_b64encode(pointless_nest).decode('ascii')
|
|
|
|
|
|
|
|
|
|
def channel_ctoken_v2(channel_id, page, sort, tab, view=1):
|
|
|
|
|
# see https://github.com/iv-org/invidious/issues/1319#issuecomment-671732646
|
|
|
|
|
# page > 1 doesn't work when sorting by oldest
|
|
|
|
|
offset = 30*(int(page) - 1)
|
|
|
|
|
schema_number = {
|
|
|
|
|
3: 6307666885028338688,
|
|
|
|
|
2: 17254859483345278706,
|
|
|
|
|
1: 16570086088270825023,
|
|
|
|
|
}[int(sort)]
|
|
|
|
|
page_token = proto.string(61, proto.unpadded_b64encode(proto.string(1,
|
|
|
|
|
proto.uint(1, schema_number) + proto.string(2,
|
|
|
|
|
proto.string(1, proto.unpadded_b64encode(proto.uint(1,offset)))
|
|
|
|
|
)
|
|
|
|
|
)))
|
|
|
|
|
|
|
|
|
|
tab = proto.string(2, tab )
|
|
|
|
|
sort = proto.uint(3, int(sort))
|
|
|
|
|
#page = proto.string(15, str(page) )
|
|
|
|
|
|
|
|
|
|
shelf_view = proto.uint(4, 0)
|
|
|
|
|
view = proto.uint(6, int(view))
|
|
|
|
|
continuation_info = proto.string(3,
|
|
|
|
|
proto.percent_b64encode(tab + sort + shelf_view + view + page_token)
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
channel_id = proto.string(2, channel_id )
|
|
|
|
|
pointless_nest = proto.string(80226972, channel_id + continuation_info)
|
|
|
|
|
|
|
|
|
|
return base64.urlsafe_b64encode(pointless_nest).decode('ascii')
|
|
|
|
|
|
|
|
|
|
def channel_ctoken_v1(channel_id, page, sort, tab, view=1):
|
|
|
|
|
tab = proto.string(2, tab )
|
|
|
|
|
sort = proto.uint(3, int(sort))
|
|
|
|
|
page = proto.string(15, str(page) )
|
|
|
|
|
# example with shelves in videos tab: https://www.youtube.com/channel/UCNL1ZadSjHpjm4q9j2sVtOA/videos
|
|
|
|
|
shelf_view = proto.uint(4, 0)
|
|
|
|
|
view = proto.uint(6, int(view))
|
|
|
|
|
continuation_info = proto.string(3, proto.percent_b64encode(tab + view + sort + shelf_view + page + proto.uint(23, 0)) )
|
|
|
|
|
|
|
|
|
|
channel_id = proto.string(2, channel_id )
|
|
|
|
|
pointless_nest = proto.string(80226972, channel_id + continuation_info)
|
|
|
|
|
|
|
|
|
|
return base64.urlsafe_b64encode(pointless_nest).decode('ascii')
|
|
|
|
|
|
2020-10-11 00:05:03 +05:30
|
|
|
def get_channel_tab_info(channel_id, page="1", sort=3, tab='videos', view=1, print_status=True):
|
2020-10-10 20:56:28 +05:30
|
|
|
message = 'Got channel tab' if print_status else None
|
|
|
|
|
|
|
|
|
|
if int(sort) == 2 and int(page) > 1:
|
|
|
|
|
ctoken = channel_ctoken_v1(channel_id, page, sort, tab, view)
|
|
|
|
|
ctoken = ctoken.replace('=', '%3D')
|
|
|
|
|
url = ('https://www.youtube.com/channel/' + channel_id + '/' + tab
|
|
|
|
|
+ '?action_continuation=1&continuation=' + ctoken
|
|
|
|
|
+ '&pbj=1')
|
|
|
|
|
content = util.fetch_url(url, headers_desktop + real_cookie,
|
|
|
|
|
debug_name='channel_tab', report_text=message)
|
|
|
|
|
else:
|
|
|
|
|
ctoken = channel_ctoken_v3(channel_id, page, sort, tab, view)
|
|
|
|
|
ctoken = ctoken.replace('=', '%3D')
|
|
|
|
|
url = 'https://www.youtube.com/browse_ajax?ctoken=' + ctoken
|
|
|
|
|
content = util.fetch_url(url,
|
|
|
|
|
headers_desktop + generic_cookie,
|
|
|
|
|
debug_name='channel_tab', report_text=message)
|
|
|
|
|
|
2020-10-11 00:05:03 +05:30
|
|
|
info = yt_data_extract.extract_channel_info(json.loads(content), tab)
|
|
|
|
|
if info['error'] is not None:
|
|
|
|
|
return False
|
|
|
|
|
post_process_channel_info(info)
|
|
|
|
|
return info
|
2020-10-10 20:56:28 +05:30
|
|
|
|
|
|
|
|
# cache entries expire after 30 minutes
|
|
|
|
|
@cachetools.func.ttl_cache(maxsize=128, ttl=30*60)
|
|
|
|
|
def get_number_of_videos_channel(channel_id):
|
|
|
|
|
if channel_id is None:
|
|
|
|
|
return 1000
|
|
|
|
|
|
|
|
|
|
# Uploads playlist
|
|
|
|
|
playlist_id = 'UU' + channel_id[2:]
|
|
|
|
|
url = 'https://m.youtube.com/playlist?list=' + playlist_id + '&pbj=1'
|
|
|
|
|
|
|
|
|
|
try:
|
|
|
|
|
response = util.fetch_url(url, headers_mobile,
|
|
|
|
|
debug_name='number_of_videos', report_text='Got number of videos')
|
|
|
|
|
except urllib.error.HTTPError as e:
|
|
|
|
|
traceback.print_exc()
|
|
|
|
|
print("Couldn't retrieve number of videos")
|
|
|
|
|
return 1000
|
|
|
|
|
|
|
|
|
|
response = response.decode('utf-8')
|
|
|
|
|
|
|
|
|
|
# match = re.search(r'"numVideosText":\s*{\s*"runs":\s*\[{"text":\s*"([\d,]*) videos"', response)
|
|
|
|
|
match = re.search(r'"numVideosText".*?([,\d]+)', response)
|
|
|
|
|
if match:
|
|
|
|
|
return int(match.group(1).replace(',',''))
|
|
|
|
|
else:
|
|
|
|
|
return 0
|
|
|
|
|
|
|
|
|
|
channel_id_re = re.compile(r'videos\.xml\?channel_id=([a-zA-Z0-9_-]{24})"')
|
|
|
|
|
@cachetools.func.lru_cache(maxsize=128)
|
|
|
|
|
def get_channel_id(base_url):
|
|
|
|
|
# method that gives the smallest possible response at ~4 kb
|
|
|
|
|
# needs to be as fast as possible
|
|
|
|
|
base_url = base_url.replace('https://www', 'https://m') # avoid redirect
|
|
|
|
|
response = util.fetch_url(base_url + '/about?pbj=1', headers_mobile,
|
|
|
|
|
debug_name='get_channel_id', report_text='Got channel id').decode('utf-8')
|
|
|
|
|
match = channel_id_re.search(response)
|
|
|
|
|
if match:
|
|
|
|
|
return match.group(1)
|
|
|
|
|
return None
|
|
|
|
|
|
|
|
|
|
def get_number_of_videos_general(base_url):
|
|
|
|
|
return get_number_of_videos_channel(get_channel_id(base_url))
|
|
|
|
|
|
|
|
|
|
def get_channel_search_json(channel_id, query, page):
|
|
|
|
|
params = proto.string(2, 'search') + proto.string(15, str(page))
|
|
|
|
|
params = proto.percent_b64encode(params)
|
|
|
|
|
ctoken = proto.string(2, channel_id) + proto.string(3, params) + proto.string(11, query)
|
|
|
|
|
ctoken = base64.urlsafe_b64encode(proto.nested(80226972, ctoken)).decode('ascii')
|
|
|
|
|
|
|
|
|
|
polymer_json = util.fetch_url("https://www.youtube.com/browse_ajax?ctoken=" + ctoken, headers_desktop, debug_name='channel_search')
|
|
|
|
|
|
|
|
|
|
return polymer_json
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
def post_process_channel_info(info):
|
|
|
|
|
info['avatar'] = util.prefix_url(info['avatar'])
|
|
|
|
|
info['channel_url'] = util.prefix_url(info['channel_url'])
|
|
|
|
|
for item in info['items']:
|
|
|
|
|
util.prefix_urls(item)
|
|
|
|
|
util.add_extra_html_info(item)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
playlist_sort_codes = {'2': "da", '3': "dd", '4': "lad"}
|
|
|
|
|
|
|
|
|
|
# youtube.com/[channel_id]/[tab]
|
|
|
|
|
# youtube.com/user/[username]/[tab]
|
|
|
|
|
# youtube.com/c/[custom]/[tab]
|
|
|
|
|
# youtube.com/[custom]/[tab]
|
|
|
|
|
def get_channel_page_general_url(base_url, tab, request, channel_id=None):
|
|
|
|
|
|
|
|
|
|
page_number = int(request.args.get('page', 1))
|
|
|
|
|
sort = request.args.get('sort', '3')
|
|
|
|
|
view = request.args.get('view', '1')
|
|
|
|
|
query = request.args.get('query', '')
|
|
|
|
|
|
|
|
|
|
if tab == 'videos' and channel_id:
|
|
|
|
|
tasks = (
|
|
|
|
|
gevent.spawn(get_number_of_videos_channel, channel_id),
|
|
|
|
|
gevent.spawn(get_channel_tab, channel_id, page_number, sort, 'videos', view)
|
|
|
|
|
)
|
|
|
|
|
gevent.joinall(tasks)
|
|
|
|
|
util.check_gevent_exceptions(*tasks)
|
|
|
|
|
number_of_videos, polymer_json = tasks[0].value, tasks[1].value
|
|
|
|
|
elif tab == 'videos':
|
|
|
|
|
tasks = (
|
|
|
|
|
gevent.spawn(get_number_of_videos_general, base_url),
|
|
|
|
|
gevent.spawn(util.fetch_url, base_url + '/videos?pbj=1&view=0', headers_desktop, debug_name='gen_channel_videos')
|
|
|
|
|
)
|
|
|
|
|
gevent.joinall(tasks)
|
|
|
|
|
util.check_gevent_exceptions(*tasks)
|
|
|
|
|
number_of_videos, polymer_json = tasks[0].value, tasks[1].value
|
|
|
|
|
elif tab == 'about':
|
|
|
|
|
polymer_json = util.fetch_url(base_url + '/about?pbj=1', headers_desktop, debug_name='gen_channel_about')
|
|
|
|
|
elif tab == 'playlists':
|
|
|
|
|
polymer_json = util.fetch_url(base_url+ '/playlists?pbj=1&view=1&sort=' + playlist_sort_codes[sort], headers_desktop, debug_name='gen_channel_playlists')
|
|
|
|
|
elif tab == 'search' and channel_id:
|
|
|
|
|
polymer_json = get_channel_search_json(channel_id, query, page_number)
|
|
|
|
|
elif tab == 'search':
|
|
|
|
|
url = base_url + '/search?pbj=1&query=' + urllib.parse.quote(query, safe='')
|
|
|
|
|
polymer_json = util.fetch_url(url, headers_desktop, debug_name='gen_channel_search')
|
|
|
|
|
else:
|
|
|
|
|
flask.abort(404, 'Unknown channel tab: ' + tab)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
info = yt_data_extract.extract_channel_info(json.loads(polymer_json), tab)
|
|
|
|
|
if info['error'] is not None:
|
|
|
|
|
return flask.render_template('error.html', error_message = info['error'])
|
|
|
|
|
|
|
|
|
|
post_process_channel_info(info)
|
|
|
|
|
if tab == 'videos':
|
|
|
|
|
info['number_of_videos'] = number_of_videos
|
|
|
|
|
info['number_of_pages'] = math.ceil(number_of_videos/30)
|
|
|
|
|
info['header_playlist_names'] = local_playlist.get_playlist_names()
|
|
|
|
|
if tab in ('videos', 'playlists'):
|
|
|
|
|
info['current_sort'] = sort
|
|
|
|
|
elif tab == 'search':
|
|
|
|
|
info['search_box_value'] = query
|
|
|
|
|
info['header_playlist_names'] = local_playlist.get_playlist_names()
|
|
|
|
|
info['page_number'] = page_number
|
|
|
|
|
info['subscribed'] = subscriptions.is_subscribed(info['channel_id'])
|
|
|
|
|
|
|
|
|
|
return flask.render_template('channel.html',
|
|
|
|
|
parameters_dictionary = request.args,
|
|
|
|
|
**info
|
|
|
|
|
)
|
