Check if a cookie is valid for a given domain
Parameters
$domain
stringrequired- Domain to check
Source
public function domain_matches($domain) {
if (is_string($domain) === false) {
return false;
}
if (!isset($this->attributes['domain'])) {
// Cookies created manually; cookies created by Requests will set
// the domain to the requested domain
return true;
}
$cookie_domain = $this->attributes['domain'];
if ($cookie_domain === $domain) {
// The cookie domain and the passed domain are identical.
return true;
}
// If the cookie is marked as host-only and we don't have an exact
// match, reject the cookie
if ($this->flags['host-only'] === true) {
return false;
}
if (strlen($domain) <= strlen($cookie_domain)) {
// For obvious reasons, the cookie domain cannot be a suffix if the passed domain
// is shorter than the cookie domain
return false;
}
if (substr($domain, -1 * strlen($cookie_domain)) !== $cookie_domain) {
// The cookie domain should be a suffix of the passed domain.
return false;
}
$prefix = substr($domain, 0, strlen($domain) - strlen($cookie_domain));
if (substr($prefix, -1) !== '.') {
// The last character of the passed domain that is not included in the
// domain string should be a %x2E (".") character.
return false;
}
// The passed domain should be a host name (i.e., not an IP address).
return !preg_match('#^(.+\.)\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$#', $domain);
}
User Contributed Notes
You must log in before being able to contribute a note or feedback.