embed.sanitizer: add log warn

- channel.messages: handle meta being None
 - schemas: add gift_code_sku_id

litecord/blueprints/channel/messages.py

@@ -272,6 +272,9 @@ async def process_url_embed(config, storage, dispatcher, session, payload: dict)
         img_proxy_url = proxify(url, config=config)
         meta = await fetch_metadata(url, config=config, session=session)
 
+        if meta is None:
+            continue
+
         if not meta['image']:
             continue
 

litecord/embed/sanitizer.py

@@ -119,6 +119,10 @@ async def fetch_metadata(url, *, config=None, session=None) -> dict:
 
     async with session.get(request_url) as resp:
         if resp.status != 200:
+            body = await resp.text()
+
+            log.warning('failed to generate meta for {!r}: {} {!r}',
+                        url, resp.status, body)
             return
 
         return await resp.json()

litecord/schemas.py

@@ -179,7 +179,8 @@ REGISTER = {
     'invite': {'type': 'string', 'required': False, 'nullable': True},        # optional
     'fingerprint': {'type': 'string', 'required': False, 'nullable': True},   # these are sent by official client
     'captcha_key': {'type': 'string', 'required': False, 'nullable': True},
-    'consent': {'type': 'boolean'}
+    'consent': {'type': 'boolean'},
+    'gift_code_sku_id': {'type': 'string', 'required': False, 'nullable': True}
 }
 
 # only used by us, not discord, hence 'invcode' (to separate from discord)