From 24cec4e7aab33b6c44ba6d1ecf16895f254351b8 Mon Sep 17 00:00:00 2001
From: tobi <31960611+tsmethurst@users.noreply.github.com>
Date: Wed, 1 Mar 2023 18:52:44 +0100
Subject: [feature] Federate pinned posts (aka `featuredCollection`) in and out
 (#1560)

* start fiddling

* the ol' fiddle + update

* start working on fetching statuses

* poopy doopy doo where r u uwu

* further adventures in featuring statuses

* finishing up

* fmt

* simply status unpin loop

* move empty featured check back to caller function

* remove unnecessary log.WithContext calls

* remove unnecessary IsIRI() checks

* add explanatory comment about status URIs

* change log level to error

* better test names
---
 internal/typeutils/astointernal.go | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

(limited to 'internal/typeutils/astointernal.go')

diff --git a/internal/typeutils/astointernal.go b/internal/typeutils/astointernal.go
index 11633ad4e..4e1b59613 100644
--- a/internal/typeutils/astointernal.go
+++ b/internal/typeutils/astointernal.go
@@ -181,9 +181,14 @@ func (c *converter) ASRepresentationToAccount(ctx context.Context, accountable a
 		acct.FollowersURI = accountable.GetActivityStreamsFollowers().GetIRI().String()
 	}
 
-	// FeaturedURI
-	if accountable.GetTootFeatured() != nil && accountable.GetTootFeatured().GetIRI() != nil {
-		acct.FeaturedCollectionURI = accountable.GetTootFeatured().GetIRI().String()
+	// FeaturedURI aka pinned collection:
+	// Only trust featured URI if it has at least two domains,
+	// from the right, in common with the domain of the account
+	if featured := accountable.GetTootFeatured(); featured != nil && featured.IsIRI() {
+		if featuredURI := featured.GetIRI(); // nocollapse
+		featuredURI != nil && dns.CompareDomainName(acct.Domain, featuredURI.Host) >= 2 {
+			acct.FeaturedCollectionURI = featuredURI.String()
+		}
 	}
 
 	// TODO: FeaturedTagsURI
-- 
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