123 lines
4.6 KiB
Python
123 lines
4.6 KiB
Python
import base64
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import youtube.common as common
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import urllib
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import json
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from string import Template
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import youtube.proto as proto
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import gevent
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import math
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with open("yt_playlist_template.html", "r") as file:
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yt_playlist_template = Template(file.read())
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def playlist_ctoken(playlist_id, offset):
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offset = proto.uint(1, offset)
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# this is just obfuscation as far as I can tell. It doesn't even follow protobuf
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offset = b'PT:' + proto.unpadded_b64encode(offset)
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offset = proto.string(15, offset)
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continuation_info = proto.string( 3, proto.percent_b64encode(offset) )
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playlist_id = proto.string(2, 'VL' + playlist_id )
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pointless_nest = proto.string(80226972, playlist_id + continuation_info)
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return base64.urlsafe_b64encode(pointless_nest).decode('ascii')
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# initial request types:
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# polymer_json: https://m.youtube.com/playlist?list=PLv3TTBr1W_9tppikBxAE_G6qjWdBljBHJ&pbj=1&lact=0
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# ajax json: https://m.youtube.com/playlist?list=PLv3TTBr1W_9tppikBxAE_G6qjWdBljBHJ&pbj=1&lact=0 with header X-YouTube-Client-Version: 1.20180418
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# continuation request types:
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# polymer_json: https://m.youtube.com/playlist?&ctoken=[...]&pbj=1
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# ajax json: https://m.youtube.com/playlist?action_continuation=1&ajax=1&ctoken=[...]
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headers_1 = (
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('Accept', '*/*'),
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('Accept-Language', 'en-US,en;q=0.5'),
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('X-YouTube-Client-Name', '1'),
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('X-YouTube-Client-Version', '2.20180614'),
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)
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def playlist_first_page(playlist_id, report_text = "Retrieved playlist"):
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url = 'https://m.youtube.com/playlist?list=' + playlist_id + '&ajax=1&disable_polymer=true'
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content = common.fetch_url(url, common.mobile_ua + headers_1, report_text=report_text)
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if content[0:4] == b")]}'":
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content = content[4:]
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content = json.loads(common.uppercase_escape(content.decode('utf-8')))
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return content
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#https://m.youtube.com/playlist?itct=CBMQybcCIhMIptj9xJaJ2wIV2JKcCh3Idwu-&ctoken=4qmFsgI2EiRWTFBMT3kwajlBdmxWWlB0bzZJa2pLZnB1MFNjeC0tN1BHVEMaDmVnWlFWRHBEUWxFJTNE&pbj=1
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def get_videos_ajax(playlist_id, page):
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url = "https://m.youtube.com/playlist?action_continuation=1&ajax=1&ctoken=" + playlist_ctoken(playlist_id, (int(page)-1)*20)
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headers = {
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'User-Agent': ' Mozilla/5.0 (iPhone; CPU iPhone OS 10_3_1 like Mac OS X) AppleWebKit/603.1.30 (KHTML, like Gecko) Version/10.0 Mobile/14E304 Safari/602.1',
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'Accept': '*/*',
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'Accept-Language': 'en-US,en;q=0.5',
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'X-YouTube-Client-Name': '2',
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'X-YouTube-Client-Version': '1.20180508',
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}
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content = common.fetch_url(url, headers, report_text="Retrieved playlist")
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'''with open('debug/playlist_debug', 'wb') as f:
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f.write(content)'''
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content = content[4:]
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info = json.loads(common.uppercase_escape(content.decode('utf-8')))
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return info
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playlist_stat_template = Template('''
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<div>$stat</div>''')
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def get_playlist_page(env, start_response):
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start_response('200 OK', [('Content-type','text/html'),])
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parameters = env['parameters']
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playlist_id = parameters['list'][0]
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page = parameters.get("page", "1")[0]
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if page == "1":
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first_page_json = playlist_first_page(playlist_id)
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this_page_json = first_page_json
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else:
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tasks = (
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gevent.spawn(playlist_first_page, playlist_id, report_text="Retrieved playlist info" ),
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gevent.spawn(get_videos_ajax, playlist_id, page)
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)
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gevent.joinall(tasks)
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first_page_json, this_page_json = tasks[0].value, tasks[1].value
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try:
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video_list = this_page_json['content']['section_list']['contents'][0]['contents'][0]['contents']
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except KeyError:
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video_list = this_page_json['content']['continuation_contents']['contents']
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videos_html = ''
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for video_json in video_list:
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info = common.ajax_info(video_json)
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videos_html += common.video_item_html(info, common.small_video_item_template)
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metadata = common.ajax_info(first_page_json['content']['playlist_header'])
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video_count = int(metadata['size'].replace(',', ''))
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page_buttons = common.page_buttons_html(int(page), math.ceil(video_count/20), common.URL_ORIGIN + "/playlist", env['QUERY_STRING'])
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html_ready = common.get_html_ready(metadata)
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html_ready['page_title'] = html_ready['title'] + ' - Page ' + str(page)
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stats = ''
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stats += playlist_stat_template.substitute(stat=html_ready['size'] + ' videos')
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stats += playlist_stat_template.substitute(stat=html_ready['views'])
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return yt_playlist_template.substitute(
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header = common.get_header(),
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videos = videos_html,
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page_buttons = page_buttons,
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stats = stats,
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**html_ready
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).encode('utf-8') |