public function TweetVisibleConstraintValidator::validate in Media entity Twitter 8

File

src/Plugin/Validation/Constraint/TweetVisibleConstraintValidator.php, line 47

Class

TweetVisibleConstraintValidator

Validates the TweetVisible constraint.

Namespace

Drupal\media_entity_twitter\Plugin\Validation\Constraint

Code

public function validate($value, Constraint $constraint) {
  $value = $this
    ->getEmbedCode($value);
  if (!isset($value)) {
    return;
  }
  $matches = [];
  foreach (Twitter::$validationRegexp as $pattern => $key) {
    if (preg_match($pattern, $value, $item_matches)) {
      $matches[] = $item_matches;
    }
  }
  if (empty($matches[0][0])) {

    // If there are no matches the URL is not correct, so stop validation.
    return;
  }

  // Fetch content from the given url.
  $response = $this->httpClient
    ->get($matches[0][0], [
    'allow_redirects' => FALSE,
  ]);
  if ($response
    ->getStatusCode() == 302 && ($location = $response
    ->getHeader('location'))) {
    $effective_url_parts = parse_url($location[0]);
    if (!empty($effective_url_parts) && isset($effective_url_parts['query']) && $effective_url_parts['query'] == 'protected_redirect=true') {
      $this->context
        ->addViolation($constraint->message);
    }
  }
}