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<?php
namespace OAuth\Common\Http\Uri;
use InvalidArgumentException;
/**
* Standards-compliant URI class.
*/
class Uri implements UriInterface
{
/**
* @var string
*/
private $scheme = 'http';
/**
* @var string
*/
private $userInfo = '';
/**
* @var string
*/
private $rawUserInfo = '';
/**
* @var string
*/
private $host;
/**
* @var int
*/
private $port = 80;
/**
* @var string
*/
private $path = '/';
/**
* @var string
*/
private $query = '';
/**
* @var string
*/
private $fragment = '';
/**
* @var bool
*/
private $explicitPortSpecified = false;
/**
* @var bool
*/
private $explicitTrailingHostSlash = false;
/**
* @param string $uri
*/
public function __construct($uri = null)
{
if (null !== $uri) {
$this->parseUri($uri);
}
}
/**
* @param string $uri
*
* @throws \InvalidArgumentException
*/
protected function parseUri($uri)
{
if (false === ($uriParts = parse_url($uri))) {
// congratulations if you've managed to get parse_url to fail,
// it seems to always return some semblance of a parsed url no matter what
throw new InvalidArgumentException("Invalid URI: $uri");
}
if (!isset($uriParts['scheme'])) {
throw new InvalidArgumentException('Invalid URI: http|https scheme required');
}
$this->scheme = $uriParts['scheme'];
$this->host = $uriParts['host'];
if (isset($uriParts['port'])) {
$this->port = $uriParts['port'];
$this->explicitPortSpecified = true;
} else {
$this->port = strcmp('https', $uriParts['scheme']) ? 80 : 443;
$this->explicitPortSpecified = false;
}
if (isset($uriParts['path'])) {
$this->path = $uriParts['path'];
if ('/' === $uriParts['path']) {
$this->explicitTrailingHostSlash = true;
}
} else {
$this->path = '/';
}
$this->query = isset($uriParts['query']) ? $uriParts['query'] : '';
$this->fragment = isset($uriParts['fragment']) ? $uriParts['fragment'] : '';
$userInfo = '';
if (!empty($uriParts['user'])) {
$userInfo .= $uriParts['user'];
}
if ($userInfo && !empty($uriParts['pass'])) {
$userInfo .= ':' . $uriParts['pass'];
}
$this->setUserInfo($userInfo);
}
/**
* @param string $rawUserInfo
*
* @return string
*/
protected function protectUserInfo($rawUserInfo)
{
$colonPos = strpos($rawUserInfo, ':');
// rfc3986-3.2.1 | http://tools.ietf.org/html/rfc3986#section-3.2
// "Applications should not render as clear text any data
// after the first colon (":") character found within a userinfo
// subcomponent unless the data after the colon is the empty string
// (indicating no password)"
if ($colonPos !== false && strlen($rawUserInfo)-1 > $colonPos) {
return substr($rawUserInfo, 0, $colonPos) . ':********';
} else {
return $rawUserInfo;
}
}
/**
* @return string
*/
public function getScheme()
{
return $this->scheme;
}
/**
* @return string
*/
public function getUserInfo()
{
return $this->userInfo;
}
/**
* @return string
*/
public function getRawUserInfo()
{
return $this->rawUserInfo;
}
/**
* @return string
*/
public function getHost()
{
return $this->host;
}
/**
* @return int
*/
public function getPort()
{
return $this->port;
}
/**
* @return string
*/
public function getPath()
{
return $this->path;
}
/**
* @return string
*/
public function getQuery()
{
return $this->query;
}
/**
* @return string
*/
public function getFragment()
{
return $this->fragment;
}
/**
* Uses protected user info by default as per rfc3986-3.2.1
* Uri::getRawAuthority() is available if plain-text password information is desirable.
*
* @return string
*/
public function getAuthority()
{
$authority = $this->userInfo ? $this->userInfo.'@' : '';
$authority .= $this->host;
if ($this->explicitPortSpecified) {
$authority .= ":{$this->port}";
}
return $authority;
}
/**
* @return string
*/
public function getRawAuthority()
{
$authority = $this->rawUserInfo ? $this->rawUserInfo.'@' : '';
$authority .= $this->host;
if ($this->explicitPortSpecified) {
$authority .= ":{$this->port}";
}
return $authority;
}
/**
* @return string
*/
public function getAbsoluteUri()
{
$uri = $this->scheme . '://' . $this->getRawAuthority();
if ('/' === $this->path) {
$uri .= $this->explicitTrailingHostSlash ? '/' : '';
} else {
$uri .= $this->path;
}
if (!empty($this->query)) {
$uri .= "?{$this->query}";
}
if (!empty($this->fragment)) {
$uri .= "#{$this->fragment}";
}
return $uri;
}
/**
* @return string
*/
public function getRelativeUri()
{
$uri = '';
if ('/' === $this->path) {
$uri .= $this->explicitTrailingHostSlash ? '/' : '';
} else {
$uri .= $this->path;
}
return $uri;
}
/**
* Uses protected user info by default as per rfc3986-3.2.1
* Uri::getAbsoluteUri() is available if plain-text password information is desirable.
*
* @return string
*/
public function __toString()
{
$uri = $this->scheme . '://' . $this->getAuthority();
if ('/' === $this->path) {
$uri .= $this->explicitTrailingHostSlash ? '/' : '';
} else {
$uri .= $this->path;
}
if (!empty($this->query)) {
$uri .= "?{$this->query}";
}
if (!empty($this->fragment)) {
$uri .= "#{$this->fragment}";
}
return $uri;
}
/**
* @param $path
*/
public function setPath($path)
{
if (empty($path)) {
$this->path = '/';
$this->explicitTrailingHostSlash = false;
} else {
$this->path = $path;
if ('/' === $this->path) {
$this->explicitTrailingHostSlash = true;
}
}
}
/**
* @param string $query
*/
public function setQuery($query)
{
$this->query = $query;
}
/**
* @param string $var
* @param string $val
*/
public function addToQuery($var, $val)
{
if (strlen($this->query) > 0) {
$this->query .= '&';
}
$this->query .= http_build_query(array($var => $val), '', '&');
}
/**
* @param string $fragment
*/
public function setFragment($fragment)
{
$this->fragment = $fragment;
}
/**
* @param string $scheme
*/
public function setScheme($scheme)
{
$this->scheme = $scheme;
}
/**
* @param string $userInfo
*/
public function setUserInfo($userInfo)
{
$this->userInfo = $userInfo ? $this->protectUserInfo($userInfo) : '';
$this->rawUserInfo = $userInfo;
}
/**
* @param int $port
*/
public function setPort($port)
{
$this->port = intval($port);
if (('https' === $this->scheme && $this->port === 443) || ('http' === $this->scheme && $this->port === 80)) {
$this->explicitPortSpecified = false;
} else {
$this->explicitPortSpecified = true;
}
}
/**
* @param string $host
*/
public function setHost($host)
{
$this->host = $host;
}
/**
* @return bool
*/
public function hasExplicitTrailingHostSlash()
{
return $this->explicitTrailingHostSlash;
}
/**
* @return bool
*/
public function hasExplicitPortSpecified()
{
return $this->explicitPortSpecified;
}
}