[peer.tv] Add extractor (#1499)

Closes #1388 
Authored by: u-spec-png

yt_dlp/extractor/extractors.py

@@ -1063,6 +1063,7 @@
     PeerTubeIE,
     PeerTubePlaylistIE,
 )
+from .peertv import PeerTVIE
 from .peloton import (
     PelotonIE,
     PelotonLiveIE

yt_dlp/extractor/peertv.py

@@ -0,0 +1,57 @@
+# coding: utf-8
+from __future__ import unicode_literals
+
+from .common import InfoExtractor
+from ..utils import js_to_json
+
+
+class PeerTVIE(InfoExtractor):
+    IE_NAME = 'peer.tv'
+    _VALID_URL = r'https?://(?:www\.)?peer\.tv/(?:de|it|en)/(?P<id>\d+)'
+    _TESTS = [{
+        'url': 'https://www.peer.tv/de/841',
+        'info_dict': {
+            'id': '841',
+            'ext': 'mp4',
+            'title': 'Die Brunnenburg',
+            'description': 'md5:4395f6142b090338340ab88a3aae24ed',
+        },
+    }, {
+        'url': 'https://www.peer.tv/it/404',
+        'info_dict': {
+            'id': '404',
+            'ext': 'mp4',
+            'title': 'Cascate di ghiaccio in Val Gardena',
+            'description': 'md5:e8e5907f236171842674e8090e3577b8',
+        },
+    }]
+
+    def _real_extract(self, url):
+        video_id = self._match_id(url)
+        webpage = self._download_webpage(url, video_id)
+
+        video_key = self._html_search_regex(r'player\.peer\.tv/js/([a-zA-Z0-9]+)', webpage, 'video key')
+
+        js = self._download_webpage(f'https://player.peer.tv/js/{video_key}/', video_id,
+                                    headers={'Referer': 'https://www.peer.tv/'}, note='Downloading session id')
+
+        session_id = self._search_regex(r'["\']session_id["\']:\s*["\']([a-zA-Z0-9]+)["\']', js, 'session id')
+
+        player_webpage = self._download_webpage(
+            f'https://player.peer.tv/jsc/{video_key}/{session_id}?jsr=aHR0cHM6Ly93d3cucGVlci50di9kZS84NDE=&cs=UTF-8&mq=2&ua=0&webm=p&mp4=p&hls=1',
+            video_id, note='Downloading player webpage')
+
+        m3u8_url = self._search_regex(r'["\']playlist_url["\']:\s*(["\'][^"\']+["\'])', player_webpage, 'm3u8 url')
+        m3u8_url = self._parse_json(m3u8_url, video_id, transform_source=js_to_json)
+
+        formats = self._extract_m3u8_formats(m3u8_url, video_id, m3u8_id='hls')
+
+        self._sort_formats(formats)
+
+        return {
+            'id': video_id,
+            'title': self._html_search_regex(r'<h1>(.+?)</h1>', webpage, 'title').replace('\xa0', ' '),
+            'formats': formats,
+            'description': self._html_search_meta(('og:description', 'description'), webpage),
+            'thumbnail': self._html_search_meta(('og:image', 'image'), webpage)
+        }