Mastodon: Fetch PeerTube videos

[drequivalent]

Trying to enter PeerTube video address into a search bar, and get no results.

Possibly, it's not only about PeerTube, but other AP objects as well.

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• [x] I searched or browsed the repo’s other issues to ensure this is not a duplicate.
• [x] This bug happens on a tagged release and not on master (If you're a user, don't worry about this).

[Aldarone]

The first thing that I notice in the response sent by Peertube that differs from Mastodon is the Content-Type header :

From Mastodon :

Cache-Control: max-age=180, public
Connection: keep-alive
Content-Encoding: gzip
Content-Type: application/activity+json; charset=utf-8
Date: Tue, 27 Mar 2018 08:20:11 GMT
ETag: W/"4e26466784da3cdb95ac048307c16186"
Link: <https://ltch.fr/users/adlA/updates/8107.atom>; rel="alternate"; type="application/atom+xml", <https://ltch.fr/users/adlA/statuses/99754567217115479>; rel="alternate"; type="application/activity+json"
Referrer-Policy: same-origin
Server: Mastodon
Transfer-Encoding: chunked
Vary: Accept,Accept-Encoding
X-Clacks-Overhead: GNU Natalie Nguyen
X-Content-Type-Options: nosniff
X-Frame-Options: DENY
X-Request-Id: d20762e5-0cf9-4696-8706-0d467a0756ee
X-Robots-Tag: noindex
X-Runtime: 0.042104
X-XSS-Protection: 1; mode=block

From Peertube :

Connection: keep-alive
Content-Length: 4246
Content-Type: application/json; charset=utf-8
Date: Tue, 27 Mar 2018 08:23:04 GMT
ETag: W/"1096-tPnaScjXYLePAO7z4kr1H1Bp+N4"
Referrer-Policy: strict-origin-when-cross-origin
Server: NSA Watcher
Strict-Transport-Security: max-age=31536000; includeSubdomains; preload
X-Content-Type-Options: nosniff
X-Powered-By: Express
X-XSS-Protection: 1; mode=block

In one case the Content-Type is application/activity+json and in the other application/json

But given the body of the response, it might be only related to #6878 after all.

[Gargron]

Yes, I think this is probably a duplicate of #6878

[Chocobozzz]

I fixed the content-type AP response: https://github.com/Chocobozzz/PeerTube/commit/4b8f09fa0164825fe9cb6423698c78e9c0495789

But we still have an issue because of this verification (does not accept Object with Video type): https://github.com/tootsuite/mastodon/blob/master/app/services/fetch_atom_service.rb#L47

And this case: https://github.com/tootsuite/mastodon/blob/master/app/services/resolve_url_service.rb#L22

If I replace Note by Video on these lines all work as expected with the latest PeerTube develop branch.