/**
* Determine if the the passed url is external to the current running platform
*
* @param RokUpdater_Uri $uri
*
* @return mixed
*/
public function isExternal($uri)
{
if (is_string($uri)) {
$uri = new RokUpdater_Uri($uri);
}
if (@file_exists($uri->getComponents(RokUpdater_Uri_Components::PATH, RokUpdater_Uri_Builder::FORMAT_RAW))) {
return false;
}
//if the url does not have a scheme must be internal
if (is_null($uri->getHost())) {
return false;
}
if ($uri->getHost() == $this->site_uri->getHost()) {
if ($uri->getPort() === RokUpdater_Uri::PORT_UNDEFINED) {
return false;
}
if ($uri->getPort() === $this->site_uri->getPort()) {
return false;
}
}
// if its a vfs url its a unit test and local
if ($uri->getScheme() == 'vfs') {
return false;
}
//the url has a host and it isn't internal
return true;
}
/**
* @param RokUpdater_Uri $uri
* @param array $components
* @param bool $esc
*
* @return string
*/
private static function getAbsoluteComponents(RokUpdater_Uri $uri, $components, $esc)
{
$result = '';
if ($components & RokUpdater_Uri_Components::SCHEME) {
$cmp = $uri->getScheme();
if (!empty($cmp)) {
$result .= "{$cmp}:";
}
}
// AUTHORITY_START:
if ($components & RokUpdater_Uri_Components::AUTHORITY_START) {
$result .= "//";
}
//USER_INFO:
if ($components & RokUpdater_Uri_Components::USERINFO) {
$cmp = $uri->getUserInfo();
if (!empty($cmp)) {
if ($esc && strpos($cmp, ':') !== false) {
$parts = explode(':', $cmp, 2);
$result .= rawurlencode($parts[0]) . ':' . rawurlencode($parts[1]);
} else {
if ($esc) {
$result .= rawurlencode($cmp);
} else {
$result .= $cmp;
}
}
$result .= '@';
}
}
//HOST:
if ($components & RokUpdater_Uri_Components::HOST) {
$cmp = $uri->getHost();
if (!empty($cmp)) {
$result .= $cmp;
}
}
//PORT:
if ($components & RokUpdater_Uri_Components::STRONG_PORT || $components & RokUpdater_Uri_Components::PORT) {
$cmp = $uri->getPort();
if (!($cmp === -1 || $components & RokUpdater_Uri_Components::PORT && $uri->isDefaultPort())) {
$result .= ":{$cmp}";
}
}
return $result;
}
