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<?php
namespace iplx\Http;
use InvalidArgumentException;
use Psr\Http\Message\UriInterface;
class Uri implements UriInterface
{
protected $scheme;
protected $host;
protected $port;
protected $user;
protected $pass;
protected $path;
protected $query;
protected $fragment;
public function __construct($uri = null)
{
$parts = parse_url($uri);
if ($parts === false) {
throw new InvalidArgumentException();
}
foreach ($parts as $component => $value) {
$this->$component = $value;
}
}
public function getScheme()
{
return $this->scheme;
}
public function getAuthority()
{
// Weak type check to also check null
if ($this->host == '') {
return '';
}
$authority = $this->host;
$userInfo = $this->getUserInfo();
$port = $this->getPort();
if ($userInfo) {
$authority = "$userInfo@$authority";
}
if ($port !== null) {
$authority .= ":$port";
}
return $authority;
}
public function getUserInfo()
{
$userInfo = $this->user;
if ($this->pass !== null) {
$userInfo .= ":{$this->pass}";
}
return $userInfo;
}
public function getHost()
{
return $this->host;
}
public function getPort()
{
return $this->port;
}
public function getPath()
{
return $this->path;
}
public function getQuery()
{
return $this->query;
}
public function getFragment()
{
return $this->fragment;
}
public function withScheme($scheme)
{
$uri = clone $this;
$uri->scheme = $scheme;
return $uri;
}
public function withUserInfo($user, $password = null)
{
$uri = clone $this;
$uri->user = $user;
$uri->pass = $password;
return $uri;
}
public function withHost($host)
{
$uri = clone $this;
$uri->host = $host;
return $uri;
}
public function withPort($port)
{
$uri = clone $this;
$uri->port = $port;
return $uri;
}
public function withPath($path)
{
$uri = clone $this;
$uri->path = $path;
return $uri;
}
public function withQuery($query)
{
$uri = clone $this;
$uri->query = $query;
return $uri;
}
public function withFragment($fragment)
{
$uri = clone $this;
$uri->fragment = $fragment;
return $uri;
}
public function __toString()
{
$scheme = $this->getScheme();
$authority = $this->getAuthority();
$path = $this->getPath();
$query = $this->getQuery();
$fragment = $this->getFragment();
$uri = '';
// Weak type checks to also check null
if ($scheme != '') {
$uri = "$scheme:";
}
if ($authority != '') {
$uri .= "//$authority";
}
if ($path != '') {
if ($path[0] === '/') {
if ($authority == '') {
$path = ltrim($path, '/');
}
} else {
$path = "/$path";
}
$uri .= $path;
}
if ($query != '') {
$uri .= "?$query";
}
if ($fragment != '') {
$uri .= "#$fragment";
}
return $uri;
}
}
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