From 875ec09d4e8460aceed816e27d7ed35c05784117 Mon Sep 17 00:00:00 2001
From: girst <tobi@isticktoit.net>
Date: Sun, 14 Jun 2020 16:38:16 +0200
Subject: [PATCH] stub out tombstones/deleted-entry support

---
 app/common/common.py | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/app/common/common.py b/app/common/common.py
index 5596521..90e7bb3 100644
--- a/app/common/common.py
+++ b/app/common/common.py
@@ -38,10 +38,16 @@ def parse_xml(xmldata):
     ns = {
         'atom':"http://www.w3.org/2005/Atom",
         'yt': "http://www.youtube.com/xml/schemas/2015",
-        'media':"http://search.yahoo.com/mrss/"
+        'media':"http://search.yahoo.com/mrss/",
+        'at': "http://purl.org/atompub/tombstones/1.0",
     }
 
     feed = ElementTree.fromstring(xmldata)
+    if feed.find('at:deleted-entry',ns):
+        author = feed.find('at:deleted-entry/at:by/name',ns).text
+        ref = feed.find('at:deleted-entry',ns).get('ref')
+        (_, _, video_id) = ref.rpartition(':')
+        return None, None, []
     title = feed.find('atom:title',ns).text
     author = feed.find('atom:author/atom:name',ns).text \
         if feed.find('atom:author',ns) else None
@@ -65,6 +71,8 @@ def update_channel(db, xmldata):
     # Note: websub does not return global author, hence taking from first video
     title, _, videos = parse_xml(xmldata)
 
+    # TODO: if not title: delete from videos (this should only be implemented after webhook hmac validation!)
+
     c = db.cursor()
     for i, video in enumerate(videos):
         now = datetime.now(timezone.utc)
-- 
2.39.3