Add Podcast RSS feeds (#5487)

* Initial test implementation of Podcast RSS

This is a pretty simple implementation to add support for The Podcast Namespace in RSS -- instead of affecting the existing RSS implementation, this adds a new UI option.

I attempted to retain compatibility with the rest of the RSS feed implementation as much as possible and have created a temporary fork of the "pfeed" library to support this effort.

* Update to pfeed-podcast 1.2.2

* Initial test implementation of Podcast RSS

This is a pretty simple implementation to add support for The Podcast Namespace in RSS -- instead of affecting the existing RSS implementation, this adds a new UI option.

I attempted to retain compatibility with the rest of the RSS feed implementation as much as possible and have created a temporary fork of the "pfeed" library to support this effort.

* Update to pfeed-podcast 1.2.2

* Initial test implementation of Podcast RSS

This is a pretty simple implementation to add support for The Podcast Namespace in RSS -- instead of affecting the existing RSS implementation, this adds a new UI option.

I attempted to retain compatibility with the rest of the RSS feed implementation as much as possible and have created a temporary fork of the "pfeed" library to support this effort.

* Update to pfeed-podcast 1.2.2

* Add correct feed image to RSS channel

* Prefer HLS videos for podcast RSS

Remove video/stream titles, add optional height attribute to podcast RSS

* Prefix podcast RSS images with root server URL

* Add optional video query support to include captions

* Add transcripts & person images to podcast RSS feed

* Prefer webseed/webtorrent files over HLS fragmented mp4s

* Experimentally adding podcast fields to basic config page

* Add validation for new basic config fields

* Don't include "content" in podcast feed, use full description for "description"

* Initial test implementation of Podcast RSS

This is a pretty simple implementation to add support for The Podcast Namespace in RSS -- instead of affecting the existing RSS implementation, this adds a new UI option.

I attempted to retain compatibility with the rest of the RSS feed implementation as much as possible and have created a temporary fork of the "pfeed" library to support this effort.

* Update to pfeed-podcast 1.2.2

* Add correct feed image to RSS channel

* Prefer HLS videos for podcast RSS

Remove video/stream titles, add optional height attribute to podcast RSS

* Prefix podcast RSS images with root server URL

* Add optional video query support to include captions

* Add transcripts & person images to podcast RSS feed

* Prefer webseed/webtorrent files over HLS fragmented mp4s

* Experimentally adding podcast fields to basic config page

* Add validation for new basic config fields

* Don't include "content" in podcast feed, use full description for "description"

* Add medium/socialInteract to podcast RSS feeds. Use HTML for description

* Change base production image to bullseye, install prosody in image

* Add liveItem and trackers to Podcast RSS feeds

Remove height from alternateEnclosure, replaced with title.

* Clear Podcast RSS feed cache when live streams start/end

* Upgrade to Node 16

* Refactor clearCacheRoute to use ApiCache

* Remove unnecessary type hint

* Update dockerfile to node 16, install python-is-python2

* Use new file paths for captions/playlists

* Fix legacy videos in RSS after migration to object storage

* Improve method of identifying non-fragmented mp4s in podcast RSS feeds

* Don't include fragmented MP4s in podcast RSS feeds

* Add experimental support for podcast:categories on the podcast RSS item

* Fix undefined category when no videos exist

Allows for empty feeds to exist (important for feeds that might only go live)

* Add support for podcast:locked -- user has to opt in to show their email

* Use comma for podcast:categories delimiter

* Make cache clearing async

* Fix merge, temporarily test with pfeed-podcast

* Syntax changes

* Add EXT_MIMETYPE constants for captions

* Update & fix tests, fix enclosure mimetypes, remove admin email

* Add test for podacst:socialInteract

* Add filters hooks for podcast customTags

* Remove showdown, updated to pfeed-podcast 6.1.2

* Add 'action:api.live-video.state.updated' hook

* Avoid assigning undefined category to podcast feeds

* Remove nvmrc

* Remove comment

* Remove unused podcast config

* Remove more unused podcast config

* Fix MChannelAccountDefault type hint missed in merge

* Remove extra line

* Re-add newline in config

* Fix lint errors for isEmailPublic

* Fix thumbnails in podcast feeds

* Requested changes based on review

* Provide podcast rss 2.0 only on video channels

* Misc cleanup for a less messy PR

* Lint fixes

* Remove pfeed-podcast

* Add peertube version to new hooks

* Don't use query include, remove TODO

* Remove film medium hack

* Clear podcast rss cache before video/channel update hooks

* Clear podcast rss cache before video uploaded/deleted hooks

* Refactor podcast feed cache clearing

* Set correct person name from video channel

* Styling

* Fix tests

---------

Co-authored-by: Chocobozzz <me@florianbigard.com>

6 files changed, 22 insertions, 12 deletions

diff --git a/server/types/express.d.ts b/server/types/express.d.ts
index a8aeabb3a..510b9f94e 100644
--- a/server/types/express.d.ts
+++ b/server/types/express.d.ts
@@ -110,6 +110,8 @@ declare module 'express' {
     locals: {
       requestStart: number
 
+      apicacheGroups: string[]
+
       apicache: {
         content: string | Buffer
         write: Writable['write']
diff --git a/server/types/models/account/account.ts b/server/types/models/account/account.ts
index 282a2971b..d10b904ab 100644
--- a/server/types/models/account/account.ts
+++ b/server/types/models/account/account.ts
@@ -8,8 +8,8 @@ import {
   MActorDefault,
   MActorDefaultLight,
   MActorFormattable,
+  MActorHost,
   MActorId,
-  MActorServer,
   MActorSummary,
   MActorSummaryFormattable,
   MActorUrl
@@ -68,10 +68,9 @@ export type MAccountActor =
   MAccount &
   Use<'Actor', MActor>
 
-// Full actor with server
-export type MAccountServer =
+export type MAccountHost =
   MAccount &
-  Use<'Actor', MActorServer>
+  Use<'Actor', MActorHost>
 
 // ############################################################################
 
diff --git a/server/types/models/actor/actor-follow.ts b/server/types/models/actor/actor-follow.ts
index 338158561..84042e228 100644
--- a/server/types/models/actor/actor-follow.ts
+++ b/server/types/models/actor/actor-follow.ts
@@ -7,7 +7,7 @@ import {
   MActorDefaultAccountChannel,
   MActorDefaultChannelId,
   MActorFormattable,
-  MActorHost,
+  MActorHostOnly,
   MActorUsername
 } from './actor'
 
@@ -21,7 +21,7 @@ export type MActorFollow = Omit<ActorFollowModel, 'ActorFollower' | 'ActorFollow
 
 export type MActorFollowFollowingHost =
   MActorFollow &
-  Use<'ActorFollowing', MActorUsername & MActorHost>
+  Use<'ActorFollowing', MActorUsername & MActorHostOnly>
 
 // ############################################################################
 
diff --git a/server/types/models/actor/actor.ts b/server/types/models/actor/actor.ts
index 280256bab..47e7b7091 100644
--- a/server/types/models/actor/actor.ts
+++ b/server/types/models/actor/actor.ts
@@ -29,7 +29,11 @@ export type MActorLight = Omit<MActor, 'privateKey' | 'privateKey'>
 
 // Some association attributes
 
-export type MActorHost = Use<'Server', MServerHost>
+export type MActorHostOnly = Use<'Server', MServerHost>
+export type MActorHost =
+  MActorLight &
+  Use<'Server', MServerHost>
+
 export type MActorRedundancyAllowedOpt = PickWithOpt<ActorModel, 'Server', MServerRedundancyAllowed>
 
 export type MActorDefaultLight =
@@ -68,8 +72,8 @@ export type MActorChannel =
 
 export type MActorDefaultAccountChannel = MActorDefault & MActorAccount & MActorChannel
 
-export type MActorServer =
-  MActor &
+export type MActorServerLight =
+  MActorLight &
   Use<'Server', MServer>
 
 // ############################################################################
diff --git a/server/types/models/video/video-channels.ts b/server/types/models/video/video-channels.ts
index af8c2ffe4..57e991494 100644
--- a/server/types/models/video/video-channels.ts
+++ b/server/types/models/video/video-channels.ts
@@ -21,6 +21,7 @@ import {
   MActorDefaultLight,
   MActorFormattable,
   MActorHost,
+  MActorHostOnly,
   MActorLight,
   MActorSummary,
   MActorSummaryFormattable,
@@ -77,9 +78,13 @@ export type MChannelAccountLight =
   Use<'Account', MAccountLight>
 
 export type MChannelHost =
-  MChannelId &
+  MChannel &
   Use<'Actor', MActorHost>
 
+export type MChannelHostOnly =
+  MChannelId &
+  Use<'Actor', MActorHostOnly>
+
 // ############################################################################
 
 // Account associations
diff --git a/server/types/models/video/video.ts b/server/types/models/video/video.ts
index d1af53b92..58ae7baad 100644
--- a/server/types/models/video/video.ts
+++ b/server/types/models/video/video.ts
@@ -13,7 +13,7 @@ import {
   MChannelAccountSummaryFormattable,
   MChannelActor,
   MChannelFormattable,
-  MChannelHost,
+  MChannelHostOnly,
   MChannelUserId
 } from './video-channels'
 import { MVideoFile, MVideoFileRedundanciesAll, MVideoFileRedundanciesOpt } from './video-file'
@@ -146,7 +146,7 @@ export type MVideoWithChannelActor =
 
 export type MVideoWithHost =
   MVideo &
-  Use<'VideoChannel', MChannelHost>
+  Use<'VideoChannel', MChannelHostOnly>
 
 export type MVideoFullLight =
   MVideo &