/**
* Check if the URI is valid
*
* Note that a relative URI may still be valid
*
* @access public
* @return bool
*/
public function isValid()
{
if ($this->isValidEmptyUri() === true) {
$isValid = true;
} else {
$isValid = parent::isValid();
}
return $isValid;
}
public function getRedirect($urlString, $stayLocal = true, $preserveHttps = true)
{
/**
* Check that the URL has the correct format expected of a valid HTTP
* or HTTPS URL. If so, normalize the URL.
*/
$valid = false;
$url = new Uri();
try {
$url->parse($urlString);
if ($url->isValid() && $url->isAbsolute()) {
$url->normalize();
$valid = true;
}
} catch (\Exception $e) {
}
if (false === $valid) {
throw new Exception\InvalidArgumentException("Given value was not a valid absolute HTTP(S) URL: " . $url);
}
/**
* Make sure we don't redirect from HTTPS to HTTP unless flagged by
* the user. Using a Strict-Transport-Security header helps too!
*/
if (true === (bool) $preserveHttps && HttpsDetector::isHttpsRequest()) {
if (!$this->isHttps($url)) {
throw new Exception\InvalidArgumentException("Given value was not a HTTPS URL as expected: " . $url);
}
}
/**
* Check if the URL meets the local host restriction unless disabled
*/
if (true === $stayLocal && !$this->isLocal($url)) {
throw new Exception\InvalidArgumentException("Given value was not a local HTTP(S) URL: " . $url);
}
/**
* Check if the URL host exists on a whitelist of allowed hosts
*/
$whitelist = $this->getWhitelist();
if (!empty($whitelist) && !$this->isWhitelisted($url)) {
throw new Exception\InvalidArgumentException("Given value was not a whitelisted URL as expected: " . $url);
}
/**
* Get URL string after URL encoding checks and return a Location header
* object.
*/
$header = new Header\Location(array('url' => $url->toString(), 'status_code' => 302));
return $header;
}
public static function isDocumentHref($href)
{
if (empty($href) || stripos($href, 'mail') !== false || stripos($href, '.pdf') !== false || stripos($href, '.ppt') !== false || substr($href, 0, 10) === 'javascript' || substr($href, 0, 1) === '#') {
return false;
}
foreach (['%20', '='] as $c) {
if (stripos($href, $c . 'http://') !== false) {
return false;
}
}
$zendUri = new Uri($href);
if ($zendUri->isValid()) {
return true;
}
return false;
}
/**
* Test that invalid URIs fail validation
*
* @param \Zend\Uri\Uri $uri
* @dataProvider invalidUriObjectProvider
*/
public function testInvalidUriIsInvalid(Uri $uri)
{
$this->assertFalse($uri->isValid());
}
/**
* Check if the URI is valid
*
* @return bool
*/
public function isValid()
{
return $this->uri->isValid();
}
