function FileSaveUploadTest::testHandleExtension

Test extension handling.

File

core/modules/simpletest/tests/file.test, line 643

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

Class

FileSaveUploadTest

Test the file_save_upload() function.

Code

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';
  $edit = array(
    'file_test_replace' => FILE_EXISTS_REPLACE,
    'files[file_test_upload]' => backdrop_realpath($this->image->uri),
    'extensions' => $extensions,
  );

  $this->backdropPost('file-test/upload', $edit, t('Submit'));
  $this->assertResponse(200, 'Received a 200 response for posted test file.');
  $message = t('Only files with the following extensions are allowed:') . ' <em class="placeholder">' . $extensions . '</em>';
  $this->assertRaw($message, "Can't upload a disallowed extension");
  $this->assertRaw(t('Epic upload FAIL!'), 'Found the failure message.');

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

  // Reset the hook counters.
  file_test_reset();

  $extensions = 'foo ' . $this->image_extension;
  // Now tell file_save_upload() to allow the extension of our test image.
  $edit = array(
    'file_test_replace' => FILE_EXISTS_REPLACE,
    'files[file_test_upload]' => backdrop_realpath($this->image->uri),
    'extensions' => $extensions,
  );

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

  // Reset the hook counters.
  file_test_reset();

  // Now tell file_save_upload() to allow any extension.
  $edit = array(
    'file_test_replace' => FILE_EXISTS_REPLACE,
    'files[file_test_upload]' => backdrop_realpath($this->image->uri),
    'allow_all_extensions' => 'empty_array',
  );
  $this->backdropPost('file-test/upload', $edit, t('Submit'));
  $this->assertResponse(200, 'Received a 200 response for posted test file.');
  $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(array('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.
  $edit = array(
    'file_test_replace' => FILE_EXISTS_REPLACE,
    'files[file_test_upload]' => backdrop_realpath($this->php_file->uri),
    'is_image_file' => FALSE,
    'allow_all_extensions' => 'empty_array',
  );
  $this->backdropPost('file-test/upload', $edit, t('Submit'));
  $this->assertResponse(200, 'Received a 200 response for posted test file.');
  $message = format_string('For security reasons, your upload has been renamed to %renamed_file', array('%renamed_file' => $this->php_file->filename . '_.txt'));
  $this->assertRaw($message, 'Dangerous file was renamed.');
  $this->assertRaw('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(array('validate', 'insert'));
}