Optimized the etag algorithm and content-type

Author: huangzhhui

src/Stream/SwooleFileStream.php

@@ -12,6 +12,7 @@
 
 namespace Hyperf\HttpMessage\Stream;
 
+use Hyperf\HttpServer\Exception\Http\FileException;
 use InvalidArgumentException;
 use Psr\Http\Message\StreamInterface;
 
@@ -30,15 +31,18 @@ class SwooleFileStream implements StreamInterface, FileInterface
  /**
  * SwooleFileStream constructor.
  *
- * @param string $file
+ * @param string|\SplFileInfo $file
  */
- public function __construct(string $file)
+ public function __construct($file)
  {
- if (! file_exists($file)) {
- throw new InvalidArgumentException('Not a file');
+ if (! $file instanceof \SplFileInfo) {
+ $file = new \SplFileInfo($file);
  }
- $this->contents = $file;
- $this->size = filesize($file);
+ if (! $file->isReadable()) {
+ throw new FileException('File must be readable.');
+ }
+ $this->contents = $file->getPathname();
+ $this->size = $file->getSize();
  }
 
  /**