From b0a63355b66d0cc431c9b1af96622c2360207565 Mon Sep 17 00:00:00 2001
From: Alexandre Alapetite <alexandre@alapetite.fr>
Date: Tue, 22 Mar 2022 23:12:22 +0100
Subject: SimplePie fix parsing of HTTP Links (#4283)

* SimplePie fix parsing of HTTP Links
* https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Link
* https://datatracker.ietf.org/doc/html/rfc8288

Before, SimplePie was not able to parse something like

```
Link: <https://pubsubhubbub.appspot.com>; rel="hub", <https://pubsubhubbub.superfeedr.com>; rel=hub, <https://websubhub.com/hub>; rel="hub"
```
---
 app/Models/Feed.php | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

(limited to 'app/Models')

diff --git a/app/Models/Feed.php b/app/Models/Feed.php
index baaf448f8..f43237b00 100644
--- a/app/Models/Feed.php
+++ b/app/Models/Feed.php
@@ -352,9 +352,15 @@ class FreshRSS_Feed extends Minz_Model {
 				}
 
 				$links = $simplePie->get_links('self');
-				$this->selfUrl = $links[0] ?? '';
+				$this->selfUrl = empty($links[0]) ? '' : checkUrl($links[0]);
+				if ($this->selfUrl == false) {
+					$this->selfUrl = '';
+				}
 				$links = $simplePie->get_links('hub');
-				$this->hubUrl = $links[0] ?? '';
+				$this->hubUrl = empty($links[0]) ? '' : checkUrl($links[0]);
+				if ($this->hubUrl == false) {
+					$this->hubUrl = '';
+				}
 
 				if ($loadDetails) {
 					// si on a utilisé l’auto-discover, notre url va avoir changé
-- 
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