From a674e136827d1d2a6459402ce634080011127ee7 Mon Sep 17 00:00:00 2001
From: Erich Eckner <git@eckner.net>
Date: Thu, 31 Oct 2019 20:39:40 +0100
Subject: index.php: do not fail if news.archlinux32.org is unavailable

---
 index.php | 27 ++++++++++++++++++++-------
 1 file changed, 20 insertions(+), 7 deletions(-)

diff --git a/index.php b/index.php
index 2a3e937..d0e7334 100644
--- a/index.php
+++ b/index.php
@@ -4,6 +4,7 @@ require_once "init.php";
 require_once BASE . "/lib/mysql.php";
 require_once BASE . "/lib/style.php";
 require_once BASE . "/lib/format.php";
+require_once BASE . "/lib/helper.php";
 
 $result = mysql_run_query(
   'SELECT `binary_packages`.`pkgname`,' .
@@ -72,13 +73,25 @@ print_header("", "home");
             <a href="https://news.archlinux32.org/rss.php" title="Arch 32 News RSS Feed" class="rss-icon"><img width="16" height="16" src="/static/rss.c5ebdc5318d6.png" alt="RSS Feed" /></a>
 <?php
 
-$ch = curl_init("https://news.archlinux32.org/rss.php");
-curl_setopt($ch, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V4);
-curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
-curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
-$news32 = curl_exec($ch);
-curl_close($ch);
-$news32 = simplexml_load_string($news32);
+$news_reachable = apcu_fetch('news_reachable', $apcu_success);
+if ($apcu_success == false) {
+  if (site_is_reachable('https://news.archlinux32.org/rss.php'))
+    $news_reachable = 'YES';
+  else
+    $news_reachable = 'NO';
+  apcu_store('news_reachable', $news_reachable, 300);
+}
+if ($news_reachable == 'YES') {
+  $ch = curl_init('https://news.archlinux32.org/rss.php');
+  curl_setopt($ch, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V4);
+  curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
+  curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
+  $news32 = curl_exec($ch);
+  curl_close($ch);
+  $news32 = simplexml_load_string($news32);
+} else {
+  $news32 = false;
+}
 
 $ch = curl_init("https://www.archlinux.org/feeds/news/");
 curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
-- 
cgit v1.2.3-70-g09d2