public function SaveUploadTest::testHandleDotFile in Drupal 9

Test dangerous file handling.

File

core/modules/file/tests/src/Functional/SaveUploadTest.php, line 371

Class

SaveUploadTest

Tests the file_save_upload() function.

Namespace

Drupal\Tests\file\Functional

Code

public function testHandleDotFile() {
  $dot_file = $this->siteDirectory . '/.test';
  file_put_contents($dot_file, 'This is a test');
  $config = $this
    ->config('system.file');
  $edit = [
    'file_test_replace' => FileSystemInterface::EXISTS_REPLACE,
    'files[file_test_upload]' => \Drupal::service('file_system')
      ->realpath($dot_file),
    'is_image_file' => FALSE,
  ];
  $this
    ->drupalGet('file-test/upload');
  $this
    ->submitForm($edit, 'Submit');
  $this
    ->assertSession()
    ->statusCodeEquals(200);
  $this
    ->assertSession()
    ->pageTextContains('The specified file .test could not be uploaded');
  $this
    ->assertSession()
    ->pageTextContains('Epic upload FAIL!');

  // Check that the correct hooks were called.
  $this
    ->assertFileHooksCalled([
    'validate',
  ]);
  $edit = [
    'file_test_replace' => FileSystemInterface::EXISTS_RENAME,
    'files[file_test_upload]' => \Drupal::service('file_system')
      ->realpath($dot_file),
    'is_image_file' => FALSE,
    'allow_all_extensions' => 'empty_array',
  ];
  $this
    ->drupalGet('file-test/upload');
  $this
    ->submitForm($edit, 'Submit');
  $this
    ->assertSession()
    ->statusCodeEquals(200);
  $this
    ->assertSession()
    ->pageTextContains('For security reasons, your upload has been renamed to test.');
  $this
    ->assertSession()
    ->pageTextContains('File name is test.');
  $this
    ->assertSession()
    ->pageTextContains('You WIN!');

  // Check that the correct hooks were called.
  $this
    ->assertFileHooksCalled([
    'validate',
    'insert',
  ]);

  // Reset the hook counters.
  file_test_reset();

  // Turn off insecure uploads, then try the same thing as above to ensure dot
  // files are renamed regardless.
  $config
    ->set('allow_insecure_uploads', 0)
    ->save();
  $this
    ->drupalGet('file-test/upload');
  $this
    ->submitForm($edit, 'Submit');
  $this
    ->assertSession()
    ->statusCodeEquals(200);
  $this
    ->assertSession()
    ->pageTextContains('For security reasons, your upload has been renamed to test_0.');
  $this
    ->assertSession()
    ->pageTextContains('File name is test_0.');
  $this
    ->assertSession()
    ->pageTextContains('You WIN!');

  // Check that the correct hooks were called.
  $this
    ->assertFileHooksCalled([
    'validate',
    'insert',
  ]);

  // Reset the hook counters.
  file_test_reset();
}