From f00c0def7434fac3c88503c2a77c4b2419b8e5ca Mon Sep 17 00:00:00 2001
From: SirElderling <148036781+SirElderling@users.noreply.github.com>
Date: Thu, 29 Feb 2024 11:06:59 +0000
Subject: [PATCH] [ie/zenporn] Add extractor (#8509)

Closes #8398
Authored by: SirElderling
---
 yt_dlp/extractor/_extractors.py |   1 +
 yt_dlp/extractor/zenporn.py     | 118 ++++++++++++++++++++++++++++++++
 2 files changed, 119 insertions(+)
 create mode 100644 yt_dlp/extractor/zenporn.py

diff --git a/yt_dlp/extractor/_extractors.py b/yt_dlp/extractor/_extractors.py
index 583477b98a..d09502e5aa 100644
--- a/yt_dlp/extractor/_extractors.py
+++ b/yt_dlp/extractor/_extractors.py
@@ -2499,6 +2499,7 @@ from .zee5 import (
     Zee5SeriesIE,
 )
 from .zeenews import ZeeNewsIE
+from .zenporn import ZenPornIE
 from .zetland import ZetlandDKArticleIE
 from .zhihu import ZhihuIE
 from .zingmp3 import (
diff --git a/yt_dlp/extractor/zenporn.py b/yt_dlp/extractor/zenporn.py
new file mode 100644
index 0000000000..8faa0e3f4e
--- /dev/null
+++ b/yt_dlp/extractor/zenporn.py
@@ -0,0 +1,118 @@
+import base64
+import binascii
+
+from .common import InfoExtractor
+from ..utils import ExtractorError, determine_ext, unified_strdate, url_or_none
+from ..utils.traversal import traverse_obj
+
+
+class ZenPornIE(InfoExtractor):
+    _VALID_URL = r'https?://(?:www\.)?zenporn\.com/video/(?P<id>\d+)'
+    _TESTS = [{
+        'url': 'https://zenporn.com/video/15627016/desi-bhabi-ki-chudai',
+        'md5': '07bd576b5920714d74975c054ca28dee',
+        'info_dict': {
+            'id': '9563799',
+            'display_id': '15627016',
+            'ext': 'mp4',
+            'title': 'md5:669eafd3bbc688aa29770553b738ada2',
+            'description': '',
+            'thumbnail': 'md5:2fc044a19bab450fef8f1931e7920a18',
+            'upload_date': '20230925',
+            'uploader': 'md5:9fae59847f1f58d1da8f2772016c12f3',
+            'age_limit': 18,
+        }
+    }, {
+        'url': 'https://zenporn.com/video/15570701',
+        'md5': 'acba0d080d692664fcc8c4e5502b1a67',
+        'info_dict': {
+            'id': '2297875',
+            'display_id': '15570701',
+            'ext': 'mp4',
+            'title': 'md5:47aebdf87644ec91e8b1a844bc832451',
+            'description': '',
+            'thumbnail': 'https://mstn.nv7s.com/contents/videos_screenshots/2297000/2297875/480x270/1.jpg',
+            'upload_date': '20230921',
+            'uploader': 'Lois Clarke',
+            'age_limit': 18,
+        }
+    }, {
+        'url': 'https://zenporn.com/video/8531117/amateur-students-having-a-fuck-fest-at-club/',
+        'md5': '67411256aa9451449e4d29f3be525541',
+        'info_dict': {
+            'id': '12791908',
+            'display_id': '8531117',
+            'ext': 'mp4',
+            'title': 'Amateur students having a fuck fest at club',
+            'description': '',
+            'thumbnail': 'https://tn.txxx.tube/contents/videos_screenshots/12791000/12791908/288x162/1.jpg',
+            'upload_date': '20191005',
+            'uploader': 'Jackopenass',
+            'age_limit': 18,
+        }
+    }, {
+        'url': 'https://zenporn.com/video/15872038/glad-you-came/',
+        'md5': '296ccab437f5bac6099433768449d8e1',
+        'info_dict': {
+            'id': '111585',
+            'display_id': '15872038',
+            'ext': 'mp4',
+            'title': 'Glad You Came',
+            'description': '',
+            'thumbnail': 'https://vpim.m3pd.com/contents/videos_screenshots/111000/111585/480x270/1.jpg',
+            'upload_date': '20231024',
+            'uploader': 'Martin Rudenko',
+            'age_limit': 18,
+        }
+    }]
+
+    def _gen_info_url(self, ext_domain, extr_id, lifetime=86400):
+        """ This function is a reverse engineering from the website javascript """
+        result = '/'.join(str(int(extr_id) // i * i) for i in (1_000_000, 1_000, 1))
+        return f'https://{ext_domain}/api/json/video/{lifetime}/{result}.json'
+
+    @staticmethod
+    def _decode_video_url(encoded_url):
+        """ This function is a reverse engineering from the website javascript """
+        # Replace lookalike characters and standardize map
+        translation = str.maketrans('АВСЕМ.,~', 'ABCEM+/=')
+        try:
+            return base64.b64decode(encoded_url.translate(translation), validate=True).decode()
+        except (binascii.Error, ValueError):
+            return None
+
+    def _real_extract(self, url):
+        display_id = self._match_id(url)
+        webpage = self._download_webpage(url, display_id)
+
+        ext_domain, video_id = self._search_regex(
+            r'https://(?P<ext_domain>[\w.-]+\.\w{3})/embed/(?P<extr_id>\d+)/',
+            webpage, 'embed info', group=('ext_domain', 'extr_id'))
+
+        info_json = self._download_json(
+            self._gen_info_url(ext_domain, video_id), video_id, fatal=False)
+
+        video_json = self._download_json(
+            f'https://{ext_domain}/api/videofile.php', video_id, query={
+                'video_id': video_id,
+                'lifetime': 8640000,
+            }, note='Downloading video file JSON', errnote='Failed to download video file JSON')
+
+        decoded_url = self._decode_video_url(video_json[0]['video_url'])
+        if not decoded_url:
+            raise ExtractorError('Unable to decode the video url')
+
+        return {
+            'id': video_id,
+            'display_id': display_id,
+            'ext': traverse_obj(video_json, (0, 'format', {determine_ext})),
+            'url': f'https://{ext_domain}{decoded_url}',
+            'age_limit': 18,
+            **traverse_obj(info_json, ('video', {
+                'title': ('title', {str}),
+                'description': ('description', {str}),
+                'thumbnail': ('thumb', {url_or_none}),
+                'upload_date': ('post_date', {unified_strdate}),
+                'uploader': ('user', 'username', {str}),
+            })),
+        }