From a321c5427ada6f5dcd97e1abfbea505a67f83233 Mon Sep 17 00:00:00 2001
From: Tanguy Le Faucheur <tale-fau@24eme.fr>
Date: Mon, 20 Nov 2023 09:58:22 +0100
Subject: [PATCH] small adjustments

---
 app.php                    | 4 +++-
 lib/cryptography.class.php | 5 +++--
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/app.php b/app.php
index a3c83ef..43d4f70 100644
--- a/app.php
+++ b/app.php
@@ -243,7 +243,9 @@ $f3->route('POST /share',
 
         $symmetricKey = $_COOKIE[$hash];
         $encryptor = new CryptographyClass($_COOKIE[$hash], $f3->get('PDF_STORAGE_PATH').$hash);
-        $encryptor->encrypt();
+        if (!$encryptor->encrypt()) {
+            $f3->error(403);
+        };
 
 
         $f3->reroute($f3->get('REVERSE_PROXY_URL').'/signature/'.$hash."#sk:".$symmetricKey);
diff --git a/lib/cryptography.class.php b/lib/cryptography.class.php
index 5c873f6..7081f80 100644
--- a/lib/cryptography.class.php
+++ b/lib/cryptography.class.php
@@ -29,9 +29,10 @@ class CryptographyClass
             $result = shell_exec($command);
             if ($result === false) {
                 echo "Cypher failure";
-                exit;
+                return $result;
             }
             $this->hardUnlink($file);
+            return $result;
         }
     }
 
@@ -46,7 +47,7 @@ class CryptographyClass
             }
             $this->hardUnlink($file);
         }
-        return true;
+        return $result;
     }
 
     public static function hardUnlink($element) {