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<?php
namespace Engelsystem\Http;
use ErrorException;
class Request
{
/** @var self */
protected static $instance;
/** @var array of GET data */
protected $query;
/** @var array of POST data */
protected $request;
/** @var array of SERVER data */
protected $server;
/** @var string */
protected $scheme;
/** @var string */
protected $host;
/** @var string */
protected $baseUrl = '';
/** @var string */
protected $path;
/**
* Initialize request
*
* @param array $query The GET data
* @param array $request the POST data
* @param array $server the SERVER data
* @param string $baseUrl base url to use for links
*/
public function create(array $query, array $request, array $server, $baseUrl = null)
{
$this->query = $query;
$this->request = $request;
$this->server = array_merge([
'SERVER_NAME' => 'localhost',
'HTTP_HOST' => 'localhost',
'SERVER_PORT' => 80,
'REQUEST_URI' => '/',
], $server);
if (isset($this->server['HTTPS']) && $this->server['HTTPS'] == 'off') {
unset($this->server['HTTPS']);
}
$uri = $this->server['REQUEST_URI'];
$uri = '/' . ltrim($uri, '/');
$uri = explode('?', $uri);
$this->path = array_shift($uri);
$components = parse_url($baseUrl);
if (!$components) {
$components = [];
}
$this->scheme = (isset($components['scheme']) ? $components['scheme'] : ($this->isSecure() ? 'https' : 'http'));
$this->host = (isset($components['host']) ? $components['host'] : $this->server['SERVER_NAME']);
if (isset($components['path'])) {
$this->baseUrl = '/' . ltrim($components['path'], '/');
$this->path = preg_replace('~^' . preg_quote($this->baseUrl, '~') . '~i', '', $this->path);
$this->path = '/' . ltrim($this->path, '/');
}
}
public function isSecure()
{
return isset($this->server['HTTPS']);
}
/**
* Get GET input
*
* @param string $key
* @param mixed $default
* @return mixed
*/
public function get($key, $default = null)
{
if (!empty($this->query[$key])) {
return $this->query[$key];
}
return $default;
}
/**
* Get POST input
*
* @param string $key
* @param mixed $default
* @return mixed
*/
public function post($key, $default = null)
{
if (!empty($this->request[$key])) {
return $this->request[$key];
}
return $default;
}
/**
* Get input data
*
* @param string $key
* @param mixed $default
* @return mixed
*/
public function input($key, $default = null)
{
$data = $this->request + $this->query;
if (!empty($data[$key])) {
return $data[$key];
}
return $default;
}
/**
* Checks if the input exists
*
* @param string $key
* @return bool
*/
public function has($key)
{
$value = $this->input($key);
return !empty($value);
}
/**
* Get the requested path
*
* @return string
*/
public function path()
{
// @TODO: base uri?
return $this->path;
}
public function url()
{
return $this->getSchemeAndHttpHost() . $this->getBaseUrl() . '/' . $this->path();
}
/**
* @return string
*/
public function root()
{
return $this->baseUrl;
}
public function getSchemeAndHttpHost()
{
return $this->getScheme() . '://' . $this->getHttpHost();
}
public function getScheme()
{
return $this->scheme;
}
public function getHttpHost()
{
return $this->host;
}
public function getBaseUrl()
{
return $this->baseUrl;
}
/**
* @return self
* @throws ErrorException
*/
public static function getInstance()
{
if (!self::$instance instanceof self) {
throw new ErrorException('Request not initialized');
}
return self::$instance;
}
/**
* @param self $instance
*/
public static function setInstance($instance)
{
self::$instance = $instance;
}
}
|
