From 0541aed51093868f8ae968d04e608fa2a93599ef Mon Sep 17 00:00:00 2001
From: Daniel Supernault <danielsupernault@gmail.com>
Date: Thu, 31 Mar 2022 01:04:15 -0600
Subject: [PATCH 1/2] Update DiscoverController, cache public tag feed and only
 include local posts for unauthenticated users

---
 app/Http/Controllers/DiscoverController.php | 42 ++++++++++++++++++---
 app/Media.php                               |  1 +
 2 files changed, 37 insertions(+), 6 deletions(-)

diff --git a/app/Http/Controllers/DiscoverController.php b/app/Http/Controllers/DiscoverController.php
index 7d8bf8edf..60fa266ac 100644
--- a/app/Http/Controllers/DiscoverController.php
+++ b/app/Http/Controllers/DiscoverController.php
@@ -63,12 +63,12 @@ class DiscoverController extends Controller
 
 	public function getHashtags(Request $request)
 	{
-		$auth = Auth::check();
-		abort_if(!config('instance.discover.tags.is_public') && !$auth, 403);
+		$user = $request->user();
+		abort_if(!config('instance.discover.tags.is_public') && !$user, 403);
 
 		$this->validate($request, [
 			'hashtag' => 'required|string|min:1|max:124',
-			'page' => 'nullable|integer|min:1|max:' . ($auth ? 29 : 10)
+			'page' => 'nullable|integer|min:1|max:' . ($user ? 29 : 10)
 		]);
 
 		$page = $request->input('page') ?? '1';
@@ -76,8 +76,8 @@ class DiscoverController extends Controller
 		$tag = $request->input('hashtag');
 
 		$hashtag = Hashtag::whereName($tag)->firstOrFail();
-		if($page == 1) {
-			$res['follows'] = HashtagFollow::whereUserId(Auth::id())
+		if($user && $page == 1) {
+			$res['follows'] = HashtagFollow::whereUserId($user->id)
 				->whereHashtagId($hashtag->id)
 				->exists();
 		}
@@ -85,7 +85,37 @@ class DiscoverController extends Controller
 			'name' => $hashtag->name,
 			'url' => $hashtag->url()
 		];
-		$res['tags'] = StatusHashtagService::get($hashtag->id, $page, $end);
+		if($user) {
+			$tags = StatusHashtagService::get($hashtag->id, $page, $end);
+			$res['tags'] = collect($tags)
+				->filter(function($tag) {
+					if(!StatusService::get($tag['status']['id'])) {
+						return false;
+					}
+					return true;
+				})
+				->values();
+		} else {
+			$key = 'discover:tags:public_feed:' . $hashtag->id . ':page:' . $page;
+			$tags = Cache::remember($key, 900, function() use($hashtag, $page, $end) {
+				return collect(StatusHashtagService::get($hashtag->id, $page, $end))
+					->filter(function($tag) {
+						if(!$tag['status']['local']) {
+							return false;
+						}
+						return true;
+					})
+					->values();
+			});
+			$res['tags'] = collect($tags)
+				->filter(function($tag) {
+					if(!StatusService::get($tag['status']['id'])) {
+						return false;
+					}
+					return true;
+				})
+				->values();
+		}
 		return $res;
 	}
 
diff --git a/app/Media.php b/app/Media.php
index 1494ab884..5395d802d 100644
--- a/app/Media.php
+++ b/app/Media.php
@@ -6,6 +6,7 @@ use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\SoftDeletes;
 use App\Util\Media\License;
 use Storage;
+use Illuminate\Support\Str;
 
 class Media extends Model
 {

From 9d5455074157f6ba3b56440bc527201db0e45b9e Mon Sep 17 00:00:00 2001
From: Daniel Supernault <danielsupernault@gmail.com>
Date: Thu, 31 Mar 2022 01:05:08 -0600
Subject: [PATCH 2/2] Update changelog

---
 CHANGELOG.md | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3db81d6ef..71070cb9d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -115,6 +115,9 @@
 - Updated DeleteAccountPipeline, fix perf issues. ([a9edd93f](https://github.com/pixelfed/pixelfed/commit/a9edd93f))
 - Updated DeleteAccountPipeline, improve coverage. ([4870cc3b](https://github.com/pixelfed/pixelfed/commit/4870cc3b))
 - Updated media model, use original photo url for non-existent thumbnails. ([9b04b9d8](https://github.com/pixelfed/pixelfed/commit/9b04b9d8))
+- Updated PlaceController, require authentication. ([e7783af6](https://github.com/pixelfed/pixelfed/commit/e7783af6))
+- Updated PublicApiController, disable legacy public access to local timeline. ([6ba7d433](https://github.com/pixelfed/pixelfed/commit/6ba7d433))
+- Updated DiscoverController, cache public tag feed and only include local posts for unauthenticated users. ([0541aed5](https://github.com/pixelfed/pixelfed/commit/0541aed5))
 -  ([](https://github.com/pixelfed/pixelfed/commit/))
 
 ## [v0.11.2 (2022-01-09)](https://github.com/pixelfed/pixelfed/compare/v0.11.1...v0.11.2)