function SaveUploadFormTest::testHandleDangerousFile

Tests dangerous file handling.

File

core/modules/file/tests/src/Functional/SaveUploadFormTest.php, line 215

Class

SaveUploadFormTest

Tests the _file_save_upload_from_form() function.

Namespace

Code

public function testHandleDangerousFile() {
    $config = $this->config('system.file');
    
    /** @var \Drupal\Core\File\FileSystemInterface $file_system */
    $file_system = \Drupal::service('file_system');
    // Allow the .php extension and make sure it gets renamed to .txt for
    // safety. Also check to make sure its MIME type was changed.
    $edit = [
        'file_test_replace' => FileSystemInterface::EXISTS_REPLACE,
        'files[file_test_upload][]' => $file_system->realpath($this->phpfile->uri),
        'is_image_file' => FALSE,
        'extensions' => 'php',
    ];
    $this->drupalPostForm('file-test/save_upload_from_form_test', $edit, t('Submit'));
    $this->assertSession()
        ->statusCodeEquals(200);
    $message = t('For security reasons, your upload has been renamed to') . ' <em class="placeholder">' . $this->phpfile->filename . '_.txt' . '</em>';
    $this->assertRaw($message, 'Dangerous file was renamed.');
    $this->assertRaw(t('File MIME type is text/plain.'), "Dangerous file's MIME type was changed.");
    $this->assertRaw(t('You WIN!'), 'Found the success message.');
    // Check that the correct hooks were called.
    $this->assertFileHooksCalled([
        'validate',
        'insert',
    ]);
    // Ensure dangerous files are not renamed when insecure uploads is TRUE.
    // Turn on insecure uploads.
    $config->set('allow_insecure_uploads', 1)
        ->save();
    // Reset the hook counters.
    file_test_reset();
    $this->drupalPostForm('file-test/save_upload_from_form_test', $edit, t('Submit'));
    $this->assertSession()
        ->statusCodeEquals(200);
    $this->assertNoRaw(t('For security reasons, your upload has been renamed'), 'Found no security message.');
    $this->assertRaw(t('File name is @filename', [
        '@filename' => $this->phpfile->filename,
    ]), 'Dangerous file was not renamed when insecure uploads is TRUE.');
    $this->assertRaw(t('You WIN!'), 'Found the success message.');
    // Check that the correct hooks were called.
    $this->assertFileHooksCalled([
        'validate',
        'insert',
    ]);
    // Turn off insecure uploads.
    $config->set('allow_insecure_uploads', 0)
        ->save();
}