public function SaveUploadTest::testHandleExtension in Drupal 8

Same name and namespace in other branches

1. 9 core/modules/file/tests/src/Functional/SaveUploadTest.php \Drupal\Tests\file\Functional\SaveUploadTest::testHandleExtension()
2. 10 core/modules/file/tests/src/Functional/SaveUploadTest.php \Drupal\Tests\file\Functional\SaveUploadTest::testHandleExtension()

Test extension handling.

File

core/modules/file/tests/src/Functional/SaveUploadTest.php, line 174

Class

SaveUploadTest

Tests the file_save_upload() function.

Namespace

Drupal\Tests\file\Functional

Code

public function testHandleExtension() {

  // The file being tested is a .gif which is in the default safe list
  // of extensions to allow when the extension validator isn't used. This is
  // implicitly tested at the testNormal() test. Here we tell
  // file_save_upload() to only allow ".foo".
  $extensions = 'foo';
  $edit = [
    'file_test_replace' => FileSystemInterface::EXISTS_REPLACE,
    'files[file_test_upload]' => \Drupal::service('file_system')
      ->realpath($this->image
      ->getFileUri()),
    'extensions' => $extensions,
  ];
  $this
    ->drupalPostForm('file-test/upload', $edit, t('Submit'));
  $this
    ->assertSession()
    ->statusCodeEquals(200);
  $message = t('Only files with the following extensions are allowed:') . ' <em class="placeholder">' . $extensions . '</em>';
  $this
    ->assertRaw($message, 'Cannot upload a disallowed extension');
  $this
    ->assertRaw(t('Epic upload FAIL!'), 'Found the failure message.');

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

  // Reset the hook counters.
  file_test_reset();
  $extensions = 'foo ' . $this->imageExtension;

  // Now tell file_save_upload() to allow the extension of our test image.
  $edit = [
    'file_test_replace' => FileSystemInterface::EXISTS_REPLACE,
    'files[file_test_upload]' => \Drupal::service('file_system')
      ->realpath($this->image
      ->getFileUri()),
    'extensions' => $extensions,
  ];
  $this
    ->drupalPostForm('file-test/upload', $edit, t('Submit'));
  $this
    ->assertSession()
    ->statusCodeEquals(200);
  $this
    ->assertNoRaw(t('Only files with the following extensions are allowed:'), 'Can upload an allowed extension.');
  $this
    ->assertRaw(t('You WIN!'), 'Found the success message.');

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

  // Reset the hook counters.
  file_test_reset();

  // Now tell file_save_upload() to allow any extension.
  $edit = [
    'file_test_replace' => FileSystemInterface::EXISTS_REPLACE,
    'files[file_test_upload]' => \Drupal::service('file_system')
      ->realpath($this->image
      ->getFileUri()),
    'allow_all_extensions' => 'empty_array',
  ];
  $this
    ->drupalPostForm('file-test/upload', $edit, t('Submit'));
  $this
    ->assertSession()
    ->statusCodeEquals(200);
  $this
    ->assertNoRaw(t('Only files with the following extensions are allowed:'), 'Can upload any extension.');
  $this
    ->assertRaw(t('You WIN!'), 'Found the success message.');

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

  // Reset the hook counters.
  file_test_reset();

  // Now tell file_save_upload() to allow any extension and try and upload a
  // malicious file.
  $edit = [
    'file_test_replace' => FileSystemInterface::EXISTS_REPLACE,
    'files[file_test_upload]' => \Drupal::service('file_system')
      ->realpath($this->phpfile->uri),
    'allow_all_extensions' => 'empty_array',
    'is_image_file' => FALSE,
  ];
  $this
    ->drupalPostForm('file-test/upload', $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
    ->assertSession()
    ->pageTextContains('File name is php-2.php_.txt.');
  $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',
  ]);
}