From bd18824c2a99d6d01b00edfa186b9fd227af255c Mon Sep 17 00:00:00 2001
From: Remita Amine <remitamine@gmail.com>
Date: Wed, 30 Dec 2020 13:43:56 +0100
Subject: [PATCH] [yandexdisk] fix extraction(closes #17861)(closes #27131)

---
 youtube_dl/extractor/yandexdisk.py | 138 +++++++++++++++++------------
 1 file changed, 81 insertions(+), 57 deletions(-)

diff --git a/youtube_dl/extractor/yandexdisk.py b/youtube_dl/extractor/yandexdisk.py
index e8f6ae10f..21f37c192 100644
--- a/youtube_dl/extractor/yandexdisk.py
+++ b/youtube_dl/extractor/yandexdisk.py
@@ -1,19 +1,40 @@
 # coding: utf-8
 from __future__ import unicode_literals
 
+import json
+
 from .common import InfoExtractor
-from ..compat import compat_str
+from ..compat import compat_HTTPError
 from ..utils import (
     determine_ext,
+    ExtractorError,
     float_or_none,
     int_or_none,
-    try_get,
-    urlencode_postdata,
+    mimetype2ext,
+    parse_iso8601,
+    urljoin,
 )
 
 
 class YandexDiskIE(InfoExtractor):
-    _VALID_URL = r'https?://yadi\.sk/[di]/(?P<id>[^/?#&]+)'
+    _VALID_URL = r'''(?x)https?://
+        (?:
+            (?:www\.)?yadi\.sk|
+            disk\.yandex\.
+                (?:
+                    az|
+                    by|
+                    co(?:m(?:\.(?:am|ge|tr))?|\.il)|
+                    ee|
+                    fr|
+                    k[gz]|
+                    l[tv]|
+                    md|
+                    t[jm]|
+                    u[az]|
+                    ru
+                )
+        )/(?:[di]/|public.*?\bhash=)(?P<id>[^/?#&]+)'''
 
     _TESTS = [{
         'url': 'https://yadi.sk/i/VdOeDou8eZs6Y',
@@ -25,94 +46,97 @@ class YandexDiskIE(InfoExtractor):
             'duration': 168.6,
             'uploader': 'y.botova',
             'uploader_id': '300043621',
+            'timestamp': 1421396809,
+            'upload_date': '20150116',
             'view_count': int,
         },
     }, {
         'url': 'https://yadi.sk/d/h3WAXvDS3Li3Ce',
         'only_matching': True,
+    }, {
+        'url': 'https://yadi.sk/public?hash=5DZ296JK9GWCLp02f6jrObjnctjRxMs8L6%2B%2FuhNqk38%3D',
+        'only_matching': True,
     }]
 
     def _real_extract(self, url):
         video_id = self._match_id(url)
 
-        status = self._download_webpage(
-            'https://disk.yandex.com/auth/status', video_id, query={
-                'urlOrigin': url,
-                'source': 'public',
-                'md5': 'false',
-            })
+        try:
+            resource = self._download_json(
+                'https://cloud-api.yandex.net/v1/disk/public/resources',
+                video_id, query={'public_key': url})
+        except ExtractorError as e:
+            if isinstance(e.cause, compat_HTTPError) and e.cause.code == 403:
+                error_description = self._parse_json(
+                    e.cause.read().decode(), video_id)['description']
+                raise ExtractorError(error_description, expected=True)
+            raise
 
-        sk = self._search_regex(
-            r'(["\'])sk(?:External)?\1\s*:\s*(["\'])(?P<value>(?:(?!\2).)+)\2',
-            status, 'sk', group='value')
+        title = resource['name']
+        public_url = resource.get('public_url')
+        if public_url:
+            video_id = self._match_id(public_url)
 
-        webpage = self._download_webpage(url, video_id)
+        self._set_cookie('yadi.sk', 'yandexuid', '0')
 
-        models = self._parse_json(
-            self._search_regex(
-                r'<script[^>]+id=["\']models-client[^>]+>\s*(\[.+?\])\s*</script',
-                webpage, 'video JSON'),
-            video_id)
-
-        data = next(
-            model['data'] for model in models
-            if model.get('model') == 'resource')
-
-        video_hash = data['id']
-        title = data['name']
-
-        models = self._download_json(
-            'https://disk.yandex.com/models/', video_id,
-            data=urlencode_postdata({
-                '_model.0': 'videoInfo',
-                'id.0': video_hash,
-                '_model.1': 'do-get-resource-url',
-                'id.1': video_hash,
-                'version': '13.6',
-                'sk': sk,
-            }), query={'_m': 'videoInfo'})['models']
-
-        videos = try_get(models, lambda x: x[0]['data']['videos'], list) or []
-        source_url = try_get(
-            models, lambda x: x[1]['data']['file'], compat_str)
+        def call_api(action):
+            return (self._download_json(
+                urljoin(url, '/public/api/') + action, video_id, data=json.dumps({
+                    'hash': url,
+                    # obtain sk if needed from call_api('check-auth') while
+                    # the yandexuid cookie is set and sending an empty JSON object
+                    'sk': 'ya6b52f8c6b12abe91a66d22d3a31084b'
+                }).encode(), headers={
+                    'Content-Type': 'text/plain',
+                }, fatal=False) or {}).get('data') or {}
 
         formats = []
+        source_url = resource.get('file')
+        if not source_url:
+            source_url = call_api('download-url').get('url')
         if source_url:
             formats.append({
                 'url': source_url,
                 'format_id': 'source',
-                'ext': determine_ext(title, 'mp4'),
+                'ext': determine_ext(title, mimetype2ext(resource.get('mime_type')) or 'mp4'),
                 'quality': 1,
+                'filesize': int_or_none(resource.get('size'))
             })
-        for video in videos:
+
+        video_streams = call_api('get-video-streams')
+        for video in (video_streams.get('videos') or []):
             format_url = video.get('url')
             if not format_url:
                 continue
-            if determine_ext(format_url) == 'm3u8':
+            if video.get('dimension') == 'adaptive':
                 formats.extend(self._extract_m3u8_formats(
-                    format_url, video_id, 'mp4', entry_protocol='m3u8_native',
+                    format_url, video_id, 'mp4', 'm3u8_native',
                     m3u8_id='hls', fatal=False))
             else:
+                size = video.get('size') or {}
+                height = int_or_none(size.get('height'))
+                format_id = 'hls'
+                if height:
+                    format_id += '-%dp' % height
                 formats.append({
+                    'ext': 'mp4',
+                    'format_id': format_id,
+                    'height': height,
+                    'protocol': 'm3u8_native',
                     'url': format_url,
+                    'width': int_or_none(size.get('width')),
                 })
         self._sort_formats(formats)
 
-        duration = float_or_none(try_get(
-            models, lambda x: x[0]['data']['duration']), 1000)
-        uploader = try_get(
-            data, lambda x: x['user']['display_name'], compat_str)
-        uploader_id = try_get(
-            data, lambda x: x['user']['uid'], compat_str)
-        view_count = int_or_none(try_get(
-            data, lambda x: x['meta']['views_counter']))
+        owner = resource.get('owner') or {}
 
         return {
             'id': video_id,
             'title': title,
-            'duration': duration,
-            'uploader': uploader,
-            'uploader_id': uploader_id,
-            'view_count': view_count,
+            'duration': float_or_none(video_streams.get('duration'), 1000),
+            'uploader': owner.get('display_name'),
+            'uploader_id': owner.get('uid'),
+            'view_count': int_or_none(resource.get('views_count')),
+            'timestamp': parse_iso8601(resource.get('created')),
             'formats': formats,
         }