Removed deprecated OC_Helper::getSecureMimeType

apps/dav/lib/connector/sabre/file.php

@@ -329,7 +329,7 @@ class File extends Node implements IFile {
 		if (isset($_SERVER['REQUEST_METHOD']) && $_SERVER['REQUEST_METHOD'] === 'PROPFIND') {
 			return $mimeType;
 		}
-		return \OC_Helper::getSecureMimeType($mimeType);
+		return \OC::$server->getMimeTypeDetector()->getSecureMimeType($mimeType);
 	}
 
 	/**

apps/files/download.php

@@ -39,7 +39,7 @@ if(!\OC\Files\Filesystem::file_exists($filename)) {
 	exit;
 }
 
-$ftype=\OC_Helper::getSecureMimeType(\OC\Files\Filesystem::getMimeType( $filename ));
+$ftype=\OC::$server->getMimeTypeDetector()->getSecureMimeType(\OC\Files\Filesystem::getMimeType( $filename ));
 
 header('Content-Type:'.$ftype);
 OCP\Response::setContentDispositionHeader(basename($filename), 'attachment');

apps/files_versions/download.php

@@ -35,7 +35,7 @@ $versionName = '/'.$uid.'/files_versions/'.$filename.'.v'.$revision;
 
 $view = new OC\Files\View('/');
 
-$ftype = \OC_Helper::getSecureMimeType($view->getMimeType('/'.$uid.'/files/'.$filename));
+$ftype = \OC::$server->getMimeTypeDetector()->getSecureMimeType($view->getMimeType('/'.$uid.'/files/'.$filename));
 
 header('Content-Type:'.$ftype);
 OCP\Response::setContentDispositionHeader(basename($filename), 'attachment');

lib/private/helper.php

@@ -346,17 +346,6 @@ class OC_Helper {
 		return \OC::$server->getMimeTypeDetector()->detectPath($path);
 	}
 
-	/**
-	 * Get a secure mimetype that won't expose potential XSS.
-	 *
-	 * @param string $mimeType
-	 * @return string
-	 * @deprecated 8.2.0 Use \OC::$server->getMimeTypeDetector()->getSecureMimeType($mimeType)
-	 */
-	static function getSecureMimeType($mimeType) {
-		return \OC::$server->getMimeTypeDetector()->getSecureMimeType($mimeType);
-	}
-
 	/**
 	 * get the mimetype form a data string
 	 *

tests/lib/helper.php

@@ -71,18 +71,6 @@ class Test_Helper extends \Test\TestCase {
 		];
 	}
 
-	function testGetSecureMimeType() {
-		$dir=OC::$SERVERROOT.'/tests/data';
-
-		$result = OC_Helper::getSecureMimeType('image/svg+xml');
-		$expected = 'text/plain';
-		$this->assertEquals($result, $expected);
-
-		$result = OC_Helper::getSecureMimeType('image/png');
-		$expected = 'image/png';
-		$this->assertEquals($result, $expected);
-	}
-
 	function testGetStringMimeType() {
 		if (\OC_Util::runningOnWindows()) {
 			$this->markTestSkipped('[Windows] Strings have mimetype application/octet-stream on Windows');