Twig, Tests, AES,

core/External/ZipStream/FileStream.class.php

@@ -0,0 +1,46 @@
+<?php
+
+namespace External\ZipStream {
+
+  use HashContext;
+  use Objects\AesStream;
+
+  class FileStream extends File {
+
+    private AesStream $stream;
+    private HashContext $crc32ctx;
+    private HashContext $sha256ctx;
+
+    public function __construct(AesStream $stream, string $name) {
+      parent::__construct($name);
+      $this->stream = $stream;
+      $this->crc32ctx = hash_init('crc32b');
+      $this->sha256ctx = hash_init('sha256');
+    }
+
+    public function getStream(): AesStream {
+      return $this->stream;
+    }
+
+    public function finalize() {
+      $this->crc32 = hash_final($this->crc32ctx, true);
+      $this->sha256 = hash_final($this->sha256ctx);
+      return $this->compress(null);
+    }
+
+    public function processChunk($chunk) {
+
+      hash_update($this->crc32ctx, $chunk);
+      hash_update($this->sha256ctx, $chunk);
+      $this->fileSize += strlen($chunk);
+
+      if ($this->useCompression) {
+        $chunk = $this->compress($chunk);
+      }
+
+      return $chunk;
+    }
+
+  }
+
+}