implement ThisVid extractor

deobfuscates the video URL using a reverse engineered version of KVS
player's algorithm. This was tested against version 4.0.4, 5.0.1,
5.1.1.4 and 5.2.0.4 of the player and a warning will be issued if the
major version changes.
This commit is contained in:
rigstot 2020-07-19 15:07:29 +02:00
parent 7fb5f2f29d
commit d7aec208f2
2 changed files with 98 additions and 0 deletions

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@ -1175,6 +1175,7 @@ from .theweatherchannel import TheWeatherChannelIE
from .thisamericanlife import ThisAmericanLifeIE
from .thisav import ThisAVIE
from .thisoldhouse import ThisOldHouseIE
from .thisvid import ThisVidIE
from .threeqsdn import ThreeQSDNIE
from .tiktok import TikTokIE
from .tinypic import TinyPicIE

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@ -0,0 +1,97 @@
# coding: utf-8
from __future__ import unicode_literals
import re
from .common import InfoExtractor
class ThisVidIE(InfoExtractor):
_VALID_URL = r'https?://(?:www\.)?thisvid\.com/(?P<type>videos|embed)/(?P<id>[A-Za-z0-9-]+/?)'
_TESTS = [{
'url': 'https://thisvid.com/videos/french-boy-pantsed/',
'md5': '3397979512c682f6b85b3b04989df224',
'info_dict': {
'id': '2400174',
'ext': 'mp4',
'title': 'French Boy Pantsed',
'thumbnail': 'https://media.thisvid.com/contents/videos_screenshots/2400000/2400174/preview.mp4.jpg',
'age_limit': 18,
}
}, {
'url': 'https://thisvid.com/embed/2400174/',
'md5': '3397979512c682f6b85b3b04989df224',
'info_dict': {
'id': '2400174',
'ext': 'mp4',
'title': 'French Boy Pantsed',
'thumbnail': 'https://media.thisvid.com/contents/videos_screenshots/2400000/2400174/preview.mp4.jpg',
'age_limit': 18,
}
}]
def _real_extract(self, url):
main_id = self._match_id(url)
webpage = self._download_webpage(url, main_id)
# URL decryptor was reversed from version 4.0.4, later verified working with 5.2.0 and may change in the future.
kvs_version = self._html_search_regex(r'<script [^>]+?src="https://thisvid\.com/player/kt_player\.js\?v=(\d+(\.\d+)+)">', webpage, 'kvs_version', fatal=False)
if not kvs_version.startswith("5."):
self.report_warning("Major version change (" + kvs_version + ") in player engine--Download may fail.")
title = self._html_search_regex(r'<title>(?:Video: )?(.+?)(?: - (?:\w+ porn at )?ThisVid(?:.com| tube))?</title>', webpage, 'title')
# video_id, video_url and license_code from the 'flashvars' JSON object:
video_id = self._html_search_regex(r"video_id: '([0-9]+)',", webpage, 'video_id')
video_url = self._html_search_regex(r"video_url: '(function/0/.+?)',", webpage, 'video_url')
license_code = self._html_search_regex(r"license_code: '([0-9$]{16})',", webpage, 'license_code')
thumbnail = self._html_search_regex(r"preview_url: '((?:https?:)?//media.thisvid.com/.+?.jpg)',", webpage, 'thumbnail', fatal=False)
if thumbnail.startswith("//"):
thumbnail = "https:" + thumbnail
if (re.match(self._VALID_URL, url).group('type') == "videos"):
display_id = main_id
else:
display_id = self._search_regex(r'<link rel="canonical" href="' + self._VALID_URL + r'">', webpage, 'display_id', fatal=False),
return {
'id': video_id,
'display_id': display_id,
'title': title,
'url': getrealurl(video_url, license_code),
'thumbnail': thumbnail,
'age_limit': 18,
}
def getrealurl(video_url, license_code):
urlparts = video_url.split('/')[2:]
license = getlicensetoken(license_code)
newmagic = urlparts[5][:32]
for o in range(len(newmagic) - 1, -1, -1):
new = ""
l = (o + sum([int(n) for n in license[o:]])) % 32
for i in range(0, len(newmagic)):
if i == o:
new += newmagic[l]
elif i == l:
new += newmagic[o]
else:
new += newmagic[i]
newmagic = new
urlparts[5] = newmagic + urlparts[5][32:]
return "/".join(urlparts)
def getlicensetoken(license):
modlicense = license.replace("$", "").replace("0", "1")
center = int(len(modlicense) / 2)
fronthalf = int(modlicense[:center + 1])
backhalf = int(modlicense[center:])
modlicense = str(4 * abs(fronthalf - backhalf))
retval = ""
for o in range(0, center + 1):
for i in range(1, 5):
retval += str((int(license[o + i]) + int(modlicense[o])) % 10)
return retval