Test dangerous file handling.

File

drupal-7.x/modules/simpletest/tests/file.test, line 741

This provides SimpleTests for the core file handling functionality. These include FileValidateTest and FileSaveTest.

Class

FileSaveUploadTest

Test the file_save_upload() function.

Code

function testHandleDangerousFile() {
  // Allow the .php extension and make sure it gets renamed to .txt for
  // safety. Also check to make sure its MIME type was changed.
  $edit = array(
    'file_test_replace' => FILE_EXISTS_REPLACE,
    'files[file_test_upload]' => drupal_realpath($this->phpfile->uri),
    'is_image_file' => FALSE,
    'extensions' => 'php',
  );

  $this->drupalPost('file-test/upload', $edit, t('Submit'));
  $this->assertResponse(200, 'Received a 200 response for posted test file.');
  $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(array('validate', 'insert'));

  // Ensure dangerous files are not renamed when insecure uploads is TRUE.
  // Turn on insecure uploads.
  variable_set('allow_insecure_uploads', 1);
  // Reset the hook counters.
  file_test_reset();

  $this->drupalPost('file-test/upload', $edit, t('Submit'));
  $this->assertResponse(200, 'Received a 200 response for posted test file.');
  $this->assertNoRaw(t('For security reasons, your upload has been renamed'), 'Found no security message.');
  $this->assertRaw(t('File name is !filename', array('!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(array('validate', 'insert'));

  // Turn off insecure uploads.
  variable_set('allow_insecure_uploads', 0);
}