[ie/afreecatv:catchstory] Add extractor (#10235)

Closes #10112
Authored by: hui1601

yt_dlp/extractor/afreecatv.py

@@ -72,7 +72,7 @@ class AfreecaTVIE(AfreecaTVBaseIE):
                             )\?.*?\bnTitleNo=|
                             vod\.afreecatv\.com/(PLAYER/STATION|player)/
                         )
-                        (?P<id>\d+)
+                        (?P<id>\d+)/?(?:$|[?#&])
                     '''
     _TESTS = [{
         'url': 'http://live.afreecatv.com:8079/app/index.cgi?szType=read_ucc_bbs&szBjId=dailyapril&nStationNo=16711924&nBbsNo=18605867&nTitleNo=36164052&szSkin=',
@@ -253,6 +253,43 @@ class AfreecaTVIE(AfreecaTVBaseIE):
         return self.playlist_result(entries, video_id, multi_video=True, **common_info)
 
 
+class AfreecaTVCatchStoryIE(AfreecaTVBaseIE):
+    IE_NAME = 'afreecatv:catchstory'
+    IE_DESC = 'afreecatv.com catch story'
+    _VALID_URL = r'https?://vod\.afreecatv\.com/player/(?P<id>\d+)/catchstory'
+    _TESTS = [{
+        'url': 'https://vod.afreecatv.com/player/103247/catchstory',
+        'info_dict': {
+            'id': '103247',
+        },
+        'playlist_count': 2,
+    }]
+
+    def _real_extract(self, url):
+        video_id = self._match_id(url)
+        data = self._download_json(
+            'https://api.m.afreecatv.com/catchstory/a/view', video_id, headers={'Referer': url},
+            query={'aStoryListIdx': '', 'nStoryIdx': video_id}, impersonate=True)
+
+        return self.playlist_result(self._entries(data), video_id)
+
+    @staticmethod
+    def _entries(data):
+        # 'files' is always a list with 1 element
+        yield from traverse_obj(data, (
+            'data', lambda _, v: v['story_type'] == 'catch',
+            'catch_list', lambda _, v: v['files'][0]['file'], {
+                'id': ('files', 0, 'file_info_key', {str}),
+                'url': ('files', 0, 'file', {url_or_none}),
+                'duration': ('files', 0, 'duration', {functools.partial(int_or_none, scale=1000)}),
+                'title': ('title', {str}),
+                'uploader': ('writer_nick', {str}),
+                'uploader_id': ('writer_id', {str}),
+                'thumbnail': ('thumb', {url_or_none}),
+                'timestamp': ('write_timestamp', {int_or_none}),
+            }))
+
+
 class AfreecaTVLiveIE(AfreecaTVBaseIE):
     IE_NAME = 'afreecatv:live'
     IE_DESC = 'afreecatv.com livestreams'