/**
* Resolves the $uri either to an PSX\OpenId\Identity if its an XRI or
* to an PSX\Url
*
* @return PSX\OpenId\Identity|PSX\Url
*/
public function normalizeUri($uri)
{
if (!empty($uri)) {
$uri = strtolower($uri);
$isXri = false;
if (substr($uri, 0, 6) == 'xri://') {
$uri = substr($uri, 6);
$isXri = true;
}
if (in_array($uri[0], self::$xriGlobalContextSymbol)) {
$isXri = true;
}
if ($isXri !== true) {
if (substr($uri, 0, 7) != 'http://' && substr($uri, 0, 8) != 'https://') {
$uri = 'http://' . $uri;
}
$url = new Url($uri);
if ($url->getScheme() == 'http' || $url->getScheme() == 'https') {
return $url;
} else {
throw new Exception('Unknown protocol in identity');
}
} else {
return $this->discoverXriIdentity($uri);
}
}
return false;
}
/**
* Normalize the url like defined in
*
* @see http://tools.ietf.org/html/rfc5849#section-3.4.1.2
* @param \PSX\Url $url
* @return false|string
*/
public static function getNormalizedUrl(Url $url)
{
$scheme = $url->getScheme();
$host = $url->getHost();
$port = $url->getPort();
$path = $url->getPath();
// no port for 80 (http) and 443 (https)
if (($port == 80 || empty($port)) && strcasecmp($scheme, 'http') == 0 || ($port == 443 || empty($port)) && strcasecmp($scheme, 'https') == 0) {
$normalizedUrl = $scheme . '://' . $host . $path;
} else {
if (!empty($port)) {
$normalizedUrl = $scheme . '://' . $host . ':' . $port . $path;
} else {
throw new Exception('No port specified');
}
}
return strtolower($normalizedUrl);
}
