From bcf4e94e8a1bd6d2f82d8a232e59251c4880637b Mon Sep 17 00:00:00 2001
From: "Kristof Ringleff, Fooman" <kristof@fooman.co.nz>
Date: Fri, 21 Sep 2018 15:51:38 +1200
Subject: [PATCH] Ensure opening the zip was successful before proceeding

---
 src/Composer/Repository/ArtifactRepository.php | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/Composer/Repository/ArtifactRepository.php b/src/Composer/Repository/ArtifactRepository.php
index 2383b2dd3..e987813f0 100644
--- a/src/Composer/Repository/ArtifactRepository.php
+++ b/src/Composer/Repository/ArtifactRepository.php
@@ -126,7 +126,11 @@ class ArtifactRepository extends ArrayRepository implements ConfigurableReposito
     private function getComposerInformation(\SplFileInfo $file)
     {
         $zip = new \ZipArchive();
-        $zip->open($file->getPathname());
+        $res = $zip->open($file->getPathname());
+
+        if ($res !== true) {
+            return false;
+        }
 
         if (0 == $zip->numFiles) {
             $zip->close();