public function FilterHtmlImageSecureTest::testImageSource in Drupal 9
Same name and namespace in other branches
- 8 core/modules/filter/tests/src/Functional/FilterHtmlImageSecureTest.php \Drupal\Tests\filter\Functional\FilterHtmlImageSecureTest::testImageSource()
Tests removal of images having a non-local source.
File
- core/
modules/ filter/ tests/ src/ Functional/ FilterHtmlImageSecureTest.php, line 85
Class
- FilterHtmlImageSecureTest
- Tests restriction of IMG tags in HTML input.
Namespace
Drupal\Tests\filter\FunctionalCode
public function testImageSource() {
global $base_url;
$public_files_path = PublicStream::basePath();
$http_base_url = preg_replace('/^https?/', 'http', $base_url);
$https_base_url = preg_replace('/^https?/', 'https', $base_url);
$files_path = base_path() . $public_files_path;
$csrf_path = $public_files_path . '/' . implode('/', array_fill(0, substr_count($public_files_path, '/') + 1, '..'));
$druplicon = 'core/misc/druplicon.png';
$red_x_image = base_path() . 'core/misc/icons/e32700/error.svg';
$alt_text = t('Image removed.');
$title_text = t('This image has been removed. For security reasons, only images from the local domain are allowed.');
// Put a test image in the files directory.
$test_images = $this
->getTestFiles('image');
$test_image = $test_images[0]->filename;
// Put a test image in the files directory with special filename.
$special_filename = 'tést fïle nàme.png';
$special_image = rawurlencode($special_filename);
$special_uri = str_replace($test_images[0]->filename, $special_filename, $test_images[0]->uri);
\Drupal::service('file_system')
->copy($test_images[0]->uri, $special_uri);
// Create a list of test image sources.
// The keys become the value of the IMG 'src' attribute, the values are the
// expected filter conversions.
$host = \Drupal::request()
->getHost();
$host_pattern = '|^http\\://' . $host . '(\\:[0-9]{0,5})|';
$images = [
$http_base_url . '/' . $druplicon => base_path() . $druplicon,
$https_base_url . '/' . $druplicon => base_path() . $druplicon,
// Test a url that includes a port.
preg_replace($host_pattern, 'http://' . $host . ':', $http_base_url . '/' . $druplicon) => base_path() . $druplicon,
preg_replace($host_pattern, 'http://' . $host . ':80', $http_base_url . '/' . $druplicon) => base_path() . $druplicon,
preg_replace($host_pattern, 'http://' . $host . ':443', $http_base_url . '/' . $druplicon) => base_path() . $druplicon,
preg_replace($host_pattern, 'http://' . $host . ':8080', $http_base_url . '/' . $druplicon) => base_path() . $druplicon,
base_path() . $druplicon => base_path() . $druplicon,
$files_path . '/' . $test_image => $files_path . '/' . $test_image,
$http_base_url . '/' . $public_files_path . '/' . $test_image => $files_path . '/' . $test_image,
$https_base_url . '/' . $public_files_path . '/' . $test_image => $files_path . '/' . $test_image,
$http_base_url . '/' . $public_files_path . '/' . $special_image => $files_path . '/' . $special_image,
$https_base_url . '/' . $public_files_path . '/' . $special_image => $files_path . '/' . $special_image,
$files_path . '/example.png' => $red_x_image,
'http://example.com/' . $druplicon => $red_x_image,
'https://example.com/' . $druplicon => $red_x_image,
'javascript:druplicon.png' => $red_x_image,
$csrf_path . '/logout' => $red_x_image,
];
$comment = [];
foreach ($images as $image => $converted) {
// Output the image source as plain text for debugging.
$comment[] = $image . ':';
// Hash the image source in a custom test attribute, because it might
// contain characters that confuse XPath.
$comment[] = '<img src="' . $image . '" testattribute="' . hash('sha256', $image) . '" />';
}
$edit = [
'comment_body[0][value]' => implode("\n", $comment),
];
$this
->drupalGet('node/' . $this->node
->id());
$this
->submitForm($edit, 'Save');
foreach ($images as $image => $converted) {
$found = FALSE;
foreach ($this
->xpath('//img[@testattribute="' . hash('sha256', $image) . '"]') as $element) {
$found = TRUE;
if ($converted == $red_x_image) {
$this
->assertEquals($red_x_image, $element
->getAttribute('src'));
$this
->assertEquals($alt_text, $element
->getAttribute('alt'));
$this
->assertEquals($title_text, $element
->getAttribute('title'));
$this
->assertEquals('16', $element
->getAttribute('height'));
$this
->assertEquals('16', $element
->getAttribute('width'));
}
else {
$this
->assertEquals($converted, $element
->getAttribute('src'));
}
}
$this
->assertTrue($found, new FormattableMarkup('@image was found.', [
'@image' => $image,
]));
}
}