Faster checksum calculation

biblioverse · Sep 1, 2023 · f53e988 · f53e988
1 parent 181c1cb
commit f53e988
Showing 1 changed file with 9 additions and 3 deletions.
diff --git a/src/Service/BookFileSystemManager.php b/src/Service/BookFileSystemManager.php
@@ -18,6 +18,8 @@ class BookFileSystemManager
         '*.epub','*.cbr','*.cbz','*.pdf','*.mobi'
     ];
 
+    public const CHUNK = 65536;
+
     public KernelInterface $appKernel;
     private SluggerInterface $slugger;
 
@@ -100,10 +102,14 @@ public function getCoverFile(Book $book): ?SplFileInfo
      */
     public function getFileChecksum(SplFileInfo $file): string
     {
-        $checkSum = sha1_file($file->getRealPath());
-        if($checkSum===false){
-            throw new \RuntimeException('Could not calculate file Checksum');
+        $checkSum = shell_exec('sha1sum -b ' . escapeshellarg($file->getRealPath()));
+
+        if ($checkSum === null || $checkSum === false) {
+            throw new RuntimeException('Could not calculate file Checksum');
         }
+
+        [$checkSum,] = explode(' ', $checkSum);
+
         return $checkSum;
     }