import re
 
 from .common import InfoExtractor
-from ..compat import compat_urllib_request
 from ..utils import (
     int_or_none,
+    sanitized_Request,
     str_to_int,
     unescapeHTML,
     unified_strdate,
         video_id = mobj.group('id')
         display_id = mobj.group('display_id')
 
-        request = compat_urllib_request.Request(url)
+        request = sanitized_Request(url)
         request.add_header('Cookie', 'age_verified=1')
         webpage = self._download_webpage(request, display_id)
 
             formats.append(f)
         self._sort_formats(formats)
 
-        description = self._html_search_regex(
-            r'(?s)<div[^>]+class=["\']video-description["\'][^>]*>(.+?)</div>',
-            webpage, 'description', default=None)
+        description = self._og_search_description(webpage, default=None)
         thumbnail = self._search_regex(
             r'(?:imageurl\s*=|poster\s*:)\s*(["\'])(?P<thumbnail>.+?)\1',
             webpage, 'thumbnail', fatal=False, group='thumbnail')
 
         uploader = self._html_search_regex(
-            r'(?s)<div[^>]+class=["\']videoInfoBy["\'][^>]*>\s*By:\s*</div>(.+?)</(?:a|div)>',
+            r'(?s)<div[^>]+class=["\']videoInfoBy(?:\s+[^"\']+)?["\'][^>]*>\s*By:\s*</div>(.+?)</(?:a|div)>',
             webpage, 'uploader', fatal=False)
         upload_date = unified_strdate(self._html_search_regex(
             r'(?s)<div[^>]+class=["\']videoInfoTime["\'][^>]*>(.+?)</div>',