From a30b9bb649d6e10a5d7c2feb73376669cf23ef68 Mon Sep 17 00:00:00 2001
From: Andrew Dolgov <noreply@fakecake.org>
Date: Thu, 24 Nov 2022 23:31:33 +0300
Subject: rework favicon storage to use DiskCache

---
 classes/feeds.php | 32 +++++++++++++++++++++-----------
 1 file changed, 21 insertions(+), 11 deletions(-)

(limited to 'classes/feeds.php')

diff --git a/classes/feeds.php b/classes/feeds.php
index a063b9ed5..d34a23e4b 100755
--- a/classes/feeds.php
+++ b/classes/feeds.php
@@ -1163,11 +1163,28 @@ class Feeds extends Handler_Protected {
 	}
 
 	static function _get_icon_file(int $feed_id): string {
-		return Config::get(Config::ICONS_DIR) . "/$feed_id.ico";
+		$favicon_cache = new DiskCache('feed-icons');
+
+		return $favicon_cache->get_full_path((string)$feed_id);
 	}
 
-	static function _has_icon(int $id): bool {
-		return is_file(Config::get(Config::ICONS_DIR) . "/$id.ico") && filesize(Config::get(Config::ICONS_DIR) . "/$id.ico") > 0;
+	static function _get_icon_url(int $feed_id, string $fallback_url = "") : string {
+		if (self::_has_icon($feed_id)) {
+			$icon_url = Config::get_self_url() . "/public.php?" . http_build_query([
+				'op' => 'feed_icon',
+				'id' => $feed_id,
+			]);
+
+			return $icon_url;
+		}
+
+		return $fallback_url;
+	}
+
+	static function _has_icon(int $feed_id): bool {
+		$favicon_cache = new DiskCache('feed-icons');
+
+		return $favicon_cache->exists((string)$feed_id);
 	}
 
 	/**
@@ -1191,16 +1208,9 @@ class Feeds extends Handler_Protected {
 				if ($id < LABEL_BASE_INDEX) {
 					return "label";
 				} else {
-					$icon = self::_get_icon_file($id);
-
-					if ($icon && file_exists($icon)) {
-						return Config::get(Config::ICONS_URL) . "/" . basename($icon) . "?" . filemtime($icon);
-					}
+					return self::_get_icon_url($id);
 				}
-				break;
 		}
-
-		return false;
 	}
 
 	/**
-- 
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