use FileSystem::read() instead of native file_get_contents() (#69)

Author: janbarasek

src/Bridges/MailDI/MailExtension.php

@@ -54,7 +54,7 @@ public function loadConfiguration()
 
 		if ($this->config['dkim']) {
 			$dkim = $this->config['dkim'];
-			$dkim['privateKey'] = file_get_contents($dkim['privateKey']);
+			$dkim['privateKey'] = Nette\Utils\FileSystem::read($dkim['privateKey']);
 			unset($this->config['dkim']);
 
 			$signer = $builder->addDefinition($this->prefix('signer'))

src/Mail/Message.php

@@ -297,10 +297,7 @@ private function createAttachment(string $file, ?string $content, ?string $conte
 	{
 		$part = new MimePart;
 		if ($content === null) {
-			$content = @file_get_contents($file); // @ is escalated to exception
-			if ($content === false) {
-				throw new Nette\FileNotFoundException("Unable to read file '$file'.");
-			}
+			$content = Nette\Utils\FileSystem::read($file);
 		}
 		if (!$contentType) {
 			$contentType = finfo_buffer(finfo_open(FILEINFO_MIME_TYPE), $content);