1 files changed, 40 insertions, 0 deletions
diff --git a/vendor/maennchen/zipstream-php/src/LocalFileHeader.php b/vendor/maennchen/zipstream-php/src/LocalFileHeader.php
new file mode 100644
index 000000000..e08b65610
--- /dev/null
+++ b/vendor/maennchen/zipstream-php/src/LocalFileHeader.php
@@ -0,0 +1,40 @@
+<?php
+
+declare(strict_types=1);
+
+namespace ZipStream;
+
+use DateTimeInterface;
+
+/**
+ * @internal
+ */
+abstract class LocalFileHeader
+{
+    private const SIGNATURE = 0x04034b50;
+
+    public static function generate(
+        int $versionNeededToExtract,
+        int $generalPurposeBitFlag,
+        CompressionMethod $compressionMethod,
+        DateTimeInterface $lastModificationDateTime,
+        int $crc32UncompressedData,
+        int $compressedSize,
+        int $uncompressedSize,
+        string $fileName,
+        string $extraField,
+    ): string {
+        return PackField::pack(
+            new PackField(format: 'V', value: self::SIGNATURE),
+            new PackField(format: 'v', value: $versionNeededToExtract),
+            new PackField(format: 'v', value: $generalPurposeBitFlag),
+            new PackField(format: 'v', value: $compressionMethod->value),
+            new PackField(format: 'V', value: Time::dateTimeToDosTime($lastModificationDateTime)),
+            new PackField(format: 'V', value: $crc32UncompressedData),
+            new PackField(format: 'V', value: $compressedSize),
+            new PackField(format: 'V', value: $uncompressedSize),
+            new PackField(format: 'v', value: strlen($fileName)),
+            new PackField(format: 'v', value: strlen($extraField)),
+        ) . $fileName . $extraField;
+    }
+}