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Code Issues Releases Wiki Activity

[newstube] fix extraction

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This commit is contained in:
Remita Amine 2019-04-03 10:19:36 +01:00
parent 4f7db46887
commit a2b6f946f1
1 changed files with 41 additions and 75 deletions
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116
youtube_dl/extractor/newstube.py
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@ -1,12 +1,17 @@
# coding: utf-8
from __future__ import unicode_literals
import re
import base64
import hashlib
from .common import InfoExtractor
from ..aes import aes_cbc_decrypt
from ..utils import (
ExtractorError,
bytes_to_intlist,
int_or_none,
intlist_to_bytes,
parse_codecs,
parse_duration,
)
@ -14,7 +19,7 @@ class NewstubeIE(InfoExtractor):
_VALID_URL = r'https?://(?:www\.)?newstube\.ru/media/(?P<id>.+)'
_TEST = {
'url': 'http://www.newstube.ru/media/telekanal-cnn-peremestil-gorod-slavyansk-v-krym',
'md5': '801eef0c2a9f4089fa04e4fe3533abdc',
'md5': '9d10320ad473444352f72f746ccb8b8c',
'info_dict': {
'id': '728e0ef2-e187-4012-bac0-5a081fdcb1f6',
'ext': 'mp4',
@ -25,84 +30,45 @@ class NewstubeIE(InfoExtractor):
}
def _real_extract(self, url):
mobj = re.match(self._VALID_URL, url)
video_id = mobj.group('id')
video_id = self._match_id(url)
page = self._download_webpage(url, video_id, 'Downloading page')
page = self._download_webpage(url, video_id)
title = self._html_search_meta(['og:title', 'twitter:title'], page, fatal=True)
video_guid = self._html_search_regex(
r'<meta property="og:video:url" content="https?://(?:www\.)?newstube\.ru/freshplayer\.swf\?guid=(?P<guid>[\da-f]{8}-[\da-f]{4}-[\da-f]{4}-[\da-f]{4}-[\da-f]{12})',
r'<meta\s+property="og:video(?::(?:(?:secure_)?url|iframe))?"\s+content="https?://(?:www\.)?newstube\.ru/embed/(?P<guid>[\da-f]{8}-[\da-f]{4}-[\da-f]{4}-[\da-f]{4}-[\da-f]{12})',
page, 'video GUID')
player = self._download_xml(
'http://p.newstube.ru/v2/player.asmx/GetAutoPlayInfo6?state=&url=%s&sessionId=&id=%s&placement=profile&location=n2' % (url, video_guid),
video_guid, 'Downloading player XML')
def ns(s):
return s.replace('/', '/%(ns)s') % {'ns': '{http://app1.newstube.ru/N2SiteWS/player.asmx}'}
error_message = player.find(ns('./ErrorMessage'))
if error_message is not None:
raise ExtractorError('%s returned error: %s' % (self.IE_NAME, error_message.text), expected=True)
session_id = player.find(ns('./SessionId')).text
media_info = player.find(ns('./Medias/MediaInfo'))
title = media_info.find(ns('./Name')).text
description = self._og_search_description(page)
thumbnail = media_info.find(ns('./KeyFrame')).text
duration = int(media_info.find(ns('./Duration')).text) / 1000.0
enc_data = base64.b64decode(self._download_webpage(
'https://www.newstube.ru/embed/api/player/getsources2',
video_guid, query={
'guid': video_guid,
'ff': 3,
}))
key = hashlib.pbkdf2_hmac(
'sha1', video_guid.replace('-', '').encode(), enc_data[:16], 1)[:16]
dec_data = aes_cbc_decrypt(
bytes_to_intlist(enc_data[32:]), bytes_to_intlist(key),
bytes_to_intlist(enc_data[16:32]))
sources = self._parse_json(intlist_to_bytes(dec_data[:-dec_data[-1]]), video_guid)
formats = []
for stream_info in media_info.findall(ns('./Streams/StreamInfo')):
media_location = stream_info.find(ns('./MediaLocation'))
if media_location is None:
for source in sources:
source_url = source.get('Src')
if not source_url:
continue
server = media_location.find(ns('./Server')).text
app = media_location.find(ns('./App')).text
media_id = stream_info.find(ns('./Id')).text
name = stream_info.find(ns('./Name')).text
width = int(stream_info.find(ns('./Width')).text)
height = int(stream_info.find(ns('./Height')).text)
formats.append({
'url': 'rtmp://%s/%s' % (server, app),
'app': app,
'play_path': '01/%s' % video_guid.upper(),
'rtmp_conn': ['S:%s' % session_id, 'S:%s' % media_id, 'S:n2'],
'page_url': url,
'ext': 'flv',
'format_id': 'rtmp' + ('-%s' % name if name else ''),
'width': width,
height = int_or_none(source.get('Height'))
f = {
'format_id': 'http' + ('-%dp' % height if height else ''),
'url': source_url,
'width': int_or_none(source.get('Width')),
'height': height,
})
sources_data = self._download_json(
'http://www.newstube.ru/player2/getsources?guid=%s' % video_guid,
video_guid, fatal=False)
if sources_data:
for source in sources_data.get('Sources', []):
source_url = source.get('Src')
if not source_url:
continue
height = int_or_none(source.get('Height'))
f = {
'format_id': 'http' + ('-%dp' % height if height else ''),
'url': source_url,
'width': int_or_none(source.get('Width')),
'height': height,
}
source_type = source.get('Type')
if source_type:
mobj = re.search(r'codecs="([^,]+),\s*([^"]+)"', source_type)
if mobj:
vcodec, acodec = mobj.groups()
f.update({
'vcodec': vcodec,
'acodec': acodec,
})
formats.append(f)
}
source_type = source.get('Type')
if source_type:
f.update(parse_codecs(self._search_regex(
r'codecs="([^"]+)"', source_type, 'codecs', fatal=False)))
formats.append(f)
self._check_formats(formats, video_guid)
self._sort_formats(formats)
@ -110,8 +76,8 @@ class NewstubeIE(InfoExtractor):
return {
'id': video_guid,
'title': title,
'description': description,
'thumbnail': thumbnail,
'duration': duration,
'description': self._html_search_meta(['description', 'og:description'], page),
'thumbnail': self._html_search_meta(['og:image:secure_url', 'og:image', 'twitter:image'], page),
'duration': parse_duration(self._html_search_meta('duration', page)),
'formats': formats,
}