protected function KeycloakRoleMatcher::getEvalPattern in Keycloak OpenID Connect 8

Return a regex evaluation pattern for user group role rules.

Parameters

string $pattern: User entered search pattern.

string $operation: Evaluation operation to conduct.

bool $case_sensitive: Whether the resulting pattern shall be case-sensitive.

Return value

string PCRE pattern for role rule evaluation.

1 call to KeycloakRoleMatcher::getEvalPattern()

KeycloakRoleMatcher::evalRoleRule in src/Service/KeycloakRoleMatcher.php

Check, if the given rule matches the user groups.

File

src/Service/KeycloakRoleMatcher.php, line 324

Class

KeycloakRoleMatcher

Role matcher service.

Namespace

Drupal\keycloak\Service

Code

protected function getEvalPattern($pattern, $operation = 'equal', $case_sensitive = TRUE) {

  // Quote regular expression characters in regular pattern string.
  if ($operation != 'regex' && $operation != 'not_regex') {
    $pattern = preg_quote($pattern, '/');
  }

  // Construct a PCRE pattern for the given operation.
  switch ($operation) {
    case 'starts_with':
    case 'starts_not_with':
      $pattern = '/^' . $pattern . '/';
      break;
    case 'ends_with':
    case 'ends_not_with':
      $pattern = '/' . $pattern . '$/';
      break;
    case 'contains':
    case 'contains_not':
    case 'regex':
    case 'not_regex':
      $pattern = '/' . $pattern . '/';
      break;
    case 'not_equal':
    default:
      $pattern = '/^' . $pattern . '$/';
      break;
  }

  // Whether the pattern shall not be case sensitive.
  if (!$case_sensitive) {
    $pattern = $pattern . 'i';
  }
  return $pattern;
}