[extractor/kankanews] Add extractor (#5729)

Authored by: synthpop123

yt_dlp/extractor/_extractors.py

@@ -831,6 +831,7 @@
 from .kakao import KakaoIE
 from .kaltura import KalturaIE
 from .kanal2 import Kanal2IE
+from .kankanews import KankaNewsIE
 from .karaoketv import KaraoketvIE
 from .karrierevideos import KarriereVideosIE
 from .keezmovies import KeezMoviesIE

yt_dlp/extractor/kankanews.py

@@ -0,0 +1,48 @@
+import time
+import random
+import string
+import hashlib
+import urllib.parse
+
+from .common import InfoExtractor
+
+
+class KankaNewsIE(InfoExtractor):
+    _VALID_URL = r'https?://(?:www\.)?kankanews\.com/a/\d+\-\d+\-\d+/(?P<id>\d+)\.shtml'
+    _TESTS = [{
+        'url': 'https://www.kankanews.com/a/2022-11-08/00310276054.shtml?appid=1088227',
+        'md5': '05e126513c74b1258d657452a6f4eef9',
+        'info_dict': {
+            'id': '4485057',
+            'url': 'http://mediaplay.kksmg.com/2022/11/08/h264_450k_mp4_1a388ad771e0e4cc28b0da44d245054e_ncm.mp4',
+            'ext': 'mp4',
+            'title': '视频｜第23个中国记者节，我们在进博切蛋糕',
+            'thumbnail': r're:^https?://.*\.jpg*',
+        }
+    }]
+
+    def _real_extract(self, url):
+        display_id = self._match_id(url)
+        webpage = self._download_webpage(url, display_id)
+        video_id = self._search_regex(r'omsid\s*=\s*"(\d+)"', webpage, 'video id')
+
+        params = {
+            'nonce': ''.join(random.choices(string.ascii_lowercase + string.digits, k=8)),
+            'omsid': video_id,
+            'platform': 'pc',
+            'timestamp': int(time.time()),
+            'version': '1.0',
+        }
+        params['sign'] = hashlib.md5((hashlib.md5((
+            urllib.parse.urlencode(params) + '&28c8edde3d61a0411511d3b1866f0636'
+        ).encode()).hexdigest()).encode()).hexdigest()
+
+        meta = self._download_json('https://api-app.kankanews.com/kankan/pc/getvideo',
+                                   video_id, query=params)['result']['video']
+
+        return {
+            'id': video_id,
+            'url': meta['videourl'],
+            'title': self._search_regex(r'g\.title\s*=\s*"([^"]+)"', webpage, 'title'),
+            'thumbnail': meta.get('titlepic'),
+        }