[pornhub:gif] extract 'viewkey' and 'timestamp' metadata (#4463)

https://github.com/mikf/gallery-dl/issues/4463#issuecomment-2014550302

gallery_dl/extractor/pornhub.py

@@ -143,6 +143,9 @@ class PornhubGifExtractor(PornhubExtractor):
             "url"  : extr('"contentUrl": "', '"'),
             "date" : text.parse_datetime(
                 extr('"uploadDate": "', '"'), "%Y-%m-%d"),
+            "viewkey"  : extr('From this video: '
+                              '<a href="/view_video.php?viewkey=', '"'),
+            "timestamp": extr('lass="directLink tstamp" rel="nofollow">', '<'),
             "user" : text.remove_html(extr("Created by:", "</div>")),
         }
 

test/results/pornhub.py

@@ -62,9 +62,11 @@ __tests__ = (
         "hardcore sex",
         "babes 18 year",
     ],
+    "timestamp": "5:07",
     "title"    : "Intense sloppy blowjob of Danika Mori",
     "url"      : "https://el.phncdn.com/pics/gifs/043/726/891/43726891a.webm",
     "user"     : "Danika Mori",
+    "viewkey"  : "64367c8c78a4a",
 },
 
 {