<?php namespace Illuminate\Http;
use Closure;
use ArrayAccess;
use SplFileInfo;
use RuntimeException;
use Symfony\Component\HttpFoundation\ParameterBag;
use Symfony\Component\HttpFoundation\Request as SymfonyRequest;
class Request extends SymfonyRequest implements ArrayAccess {
/**
* The decoded JSON content for the request.
*
* @var string
*/
protected $json;
/**
* The Illuminate session store implementation.
*
* @var \Illuminate\Session\Store
*/
protected $sessionStore;
/**
* The user resolver callback.
*
* @var \Closure
*/
protected $userResolver;
/**
* The route resolver callback.
*
* @var \Closure
*/
protected $routeResolver;
/**
* Create a new Illuminate HTTP request from server variables.
* 从服务器变量创建一个新的 Illuminate HTTP 请求。
*
* @return static
*/
public static function capture()
{
// 启用 HTTP 方法参数重写
static::enableHttpMethodParameterOverride();
return static::createFromBase(SymfonyRequest::createFromGlobals());
}
/**
* Return the Request instance.
*
* @return $this
*/
public function instance()
{
return $this;
}
/**
* Get the request method.
*
* @return string
*/
public function method()
{
return $this->getMethod();
}
/**
* Get the root URL for the application.
*
* @return string
*/
public function root()
{
return rtrim($this->getSchemeAndHttpHost().$this->getBaseUrl(), '/');
}
/**
* Get the URL (no query string) for the request.
*
* @return string
*/
public function url()
{
return rtrim(preg_replace('/\?.*/', '', $this->getUri()), '/');
}
/**
* Get the full URL for the request.
*
* @return string
*/
public function fullUrl()
{
$query = $this->getQueryString();
return $query ? $this->url().'?'.$query : $this->url();
}
/**
* Get the current path info for the request.
*
* @return string
*/
public function path()
{
$pattern = trim($this->getPathInfo(), '/');
return $pattern == '' ? '/' : $pattern;
}
/**
* Get the current encoded path info for the request.
*
* @return string
*/
public function decodedPath()
{
return rawurldecode($this->path());
}
/**
* Get a segment from the URI (1 based index).
*
* @param int $index
* @param mixed $default
* @return string
*/
public function segment($index, $default = null)
{
return array_get($this->segments(), $index - 1, $default);
}
/**
* Get all of the segments for the request path.
*
* @return array
*/
public function segments()
{
$segments = explode('/', $this->path());
return array_values(array_filter($segments, function($v) { return $v != ''; }));
}
/**
* Determine if the current request URI matches a pattern.
*
* @param mixed string
* @return bool
*/
public function is()
{
foreach (func_get_args() as $pattern)
{
if (str_is($pattern, urldecode($this->path())))
{
return true;
}
}
return false;
}
/**
* Determine if the request is the result of an AJAX call.
*
* @return bool
*/
public function ajax()
{
return $this->isXmlHttpRequest();
}
/**
* Determine if the request is the result of an PJAX call.
*
* @return bool
*/
public function pjax()
{
return $this->headers->get('X-PJAX') == true;
}
/**
* Determine if the request is over HTTPS.
*
* @return bool
*/
public function secure()
{
return $this->isSecure();
}
/**
* Returns the client IP address.
*
* @return string
*/
public function ip()
{
return $this->getClientIp();
}
/**
* Returns the client IP addresses.
*
* @return array
*/
public function ips()
{
return $this->getClientIps();
}
/**
* Determine if the request contains a given input item key.
*
* @param string|array $key
* @return bool
*/
public function exists($key)
{
$keys = is_array($key) ? $key : func_get_args();
$input = $this->all();
foreach ($keys as $value)
{
if ( ! array_key_exists($value, $input)) return false;
}
return true;
}
/**
* Determine if the request contains a non-empty value for an input item.
*
* @param string|array $key
* @return bool
*/
public function has($key)
{
$keys = is_array($key) ? $key : func_get_args();
foreach ($keys as $value)
{
if ($this->isEmptyString($value)) return false;
}
return true;
}
/**
* Determine if the given input key is an empty string for "has".
*
* @param string $key
* @return bool
*/
protected function isEmptyString($key)
{
$boolOrArray = is_bool($this->input($key)) || is_array($this->input($key));
return ! $boolOrArray && trim((string) $this->input($key)) === '';
}
/**
* Get all of the input and files for the request.
*
* @return array
*/
public function all()
{
return array_replace_recursive($this->input(), $this->files->all());
}
/**
* Retrieve an input item from the request.
*
* @param string $key
* @param mixed $default
* @return string|array
*/
public function input($key = null, $default = null)
{
$input = $this->getInputSource()->all() + $this->query->all();
return array_get($input, $key, $default);
}
/**
* Get a subset of the items from the input data.
*
* @param array $keys
* @return array
*/
public function only($keys)
{
$keys = is_array($keys) ? $keys : func_get_args();
$results = [];
$input = $this->all();
foreach ($keys as $key)
{
array_set($results, $key, array_get($input, $key));
}
return $results;
}
/**
* Get all of the input except for a specified array of items.
*
* @param array $keys
* @return array
*/
public function except($keys)
{
$keys = is_array($keys) ? $keys : func_get_args();
$results = $this->all();
array_forget($results, $keys);
return $results;
}
/**
* Retrieve a query string item from the request.
*
* @param string $key
* @param mixed $default
* @return string|array
*/
public function query($key = null, $default = null)
{
return $this->retrieveItem('query', $key, $default);
}
/**
* Determine if a cookie is set on the request.
*
* @param string $key
* @return bool
*/
public function hasCookie($key)
{
return ! is_null($this->cookie($key));
}
/**
* Retrieve a cookie from the request.
*
* @param string $key
* @param mixed $default
* @return string|array
*/
public function cookie($key = null, $default = null)
{
return $this->retrieveItem('cookies', $key, $default);
}
/**
* Retrieve a file from the request.
*
* @param string $key
* @param mixed $default
* @return \Symfony\Component\HttpFoundation\File\UploadedFile|array
*/
public function file($key = null, $default = null)
{
return array_get($this->files->all(), $key, $default);
}
/**
* Determine if the uploaded data contains a file.
*
* @param string $key
* @return bool
*/
public function hasFile($key)
{
if ( ! is_array($files = $this->file($key))) $files = array($files);
foreach ($files as $file)
{
if ($this->isValidFile($file)) return true;
}
return false;
}
/**
* Check that the given file is a valid file instance.
*
* @param mixed $file
* @return bool
*/
protected function isValidFile($file)
{
return $file instanceof SplFileInfo && $file->getPath() != '';
}
/**
* Retrieve a header from the request.
*
* @param string $key
* @param mixed $default
* @return string|array
*/
public function header($key = null, $default = null)
{
return $this->retrieveItem('headers', $key, $default);
}
/**
* Retrieve a server variable from the request.
*
* @param string $key
* @param mixed $default
* @return string|array
*/
public function server($key = null, $default = null)
{
return $this->retrieveItem('server', $key, $default);
}
/**
* Retrieve an old input item.
*
* @param string $key
* @param mixed $default
* @return mixed
*/
public function old($key = null, $default = null)
{
return $this->session()->getOldInput($key, $default);
}
/**
* Flash the input for the current request to the session.
*
* @param string $filter
* @param array $keys
* @return void
*/
public function flash($filter = null, $keys = array())
{
$flash = ( ! is_null($filter)) ? $this->$filter($keys) : $this->input();
$this->session()->flashInput($flash);
}
/**
* Flash only some of the input to the session.
*
* @param mixed string
* @return void
*/
public function flashOnly($keys)
{
$keys = is_array($keys) ? $keys : func_get_args();
return $this->flash('only', $keys);
}
/**
* Flash only some of the input to the session.
*
* @param mixed string
* @return void
*/
public function flashExcept($keys)
{
$keys = is_array($keys) ? $keys : func_get_args();
return $this->flash('except', $keys);
}
/**
* Flush all of the old input from the session.
*
* @return void
*/
public function flush()
{
$this->session()->flashInput(array());
}
/**
* Retrieve a parameter item from a given source.
*
* @param string $source
* @param string $key
* @param mixed $default
* @return string|array
*/
protected function retrieveItem($source, $key, $default)
{
if (is_null($key))
{
return $this->$source->all();
}
return $this->$source->get($key, $default, true);
}
/**
* Merge new input into the current request's input array.
*
* @param array $input
* @return void
*/
public function merge(array $input)
{
$this->getInputSource()->add($input);
}
/**
* Replace the input for the current request.
*
* @param array $input
* @return void
*/
public function replace(array $input)
{
$this->getInputSource()->replace($input);
}
/**
* Get the JSON payload for the request.
*
* @param string $key
* @param mixed $default
* @return mixed
*/
public function json($key = null, $default = null)
{
if ( ! isset($this->json))
{
$this->json = new ParameterBag((array) json_decode($this->getContent(), true));
}
if (is_null($key)) return $this->json;
return array_get($this->json->all(), $key, $default);
}
/**
* Get the input source for the request.
*
* @return \Symfony\Component\HttpFoundation\ParameterBag
*/
protected function getInputSource()
{
if ($this->isJson()) return $this->json();
return $this->getMethod() == 'GET' ? $this->query : $this->request;
}
/**
* Determine if the request is sending JSON.
*
* @return bool
*/
public function isJson()
{
return str_contains($this->header('CONTENT_TYPE'), '/json');
}
/**
* Determine if the current request is asking for JSON in return.
*
* @return bool
*/
public function wantsJson()
{
$acceptable = $this->getAcceptableContentTypes();
return isset($acceptable[0]) && $acceptable[0] == 'application/json';
}
/**
* Get the data format expected in the response.
*
* @param string $default
* @return string
*/
public function format($default = 'html')
{
foreach ($this->getAcceptableContentTypes() as $type)
{
if ($format = $this->getFormat($type)) return $format;
}
return $default;
}
/**
* Create an Illuminate request from a Symfony instance.
*
* @param \Symfony\Component\HttpFoundation\Request $request
* @return \Illuminate\Http\Request
*/
public static function createFromBase(SymfonyRequest $request)
{
if ($request instanceof static) return $request;
$content = $request->content;
$request = (new static)->duplicate(
$request->query->all(), $request->request->all(), $request->attributes->all(),
$request->cookies->all(), $request->files->all(), $request->server->all()
);
$request->content = $content;
$request->request = $request->getInputSource();
return $request;
}
/**
* {@inheritdoc}
*/
public function duplicate(array $query = null, array $request = null, array $attributes = null, array $cookies = null, array $files = null, array $server = null)
{
return parent::duplicate($query, $request, $attributes, $cookies, array_filter((array) $files), $server);
}
/**
* Get the session associated with the request.
*
* @return \Illuminate\Session\Store
*
* @throws \RuntimeException
*/
public function session()
{
if ( ! $this->hasSession())
{
throw new RuntimeException("Session store not set on request.");
}
return $this->getSession();
}
/**
* Get the user making the request.
*
* @return mixed
*/
public function user()
{
return call_user_func($this->getUserResolver());
}
/**
* Get the route handling the request.
*
* @return \Illuminate\Routing\Route|null
*/
public function route()
{
if (func_num_args() == 1)
{
return $this->route()->parameter(func_get_arg(0));
}
else
{
return call_user_func($this->getRouteResolver());
}
}
/**
* Get the user resolver callback.
*
* @return \Closure
*/
public function getUserResolver()
{
return $this->userResolver ?: function() {};
}
/**
* Set the user resolver callback.
*
* @param \Closure $callback
* @return $this
*/
public function setUserResolver(Closure $callback)
{
$this->userResolver = $callback;
return $this;
}
/**
* Get the route resolver callback.
*
* @return \Closure
*/
public function getRouteResolver()
{
return $this->routeResolver ?: function() {};
}
/**
* Set the route resolver callback.
*
* @param \Closure $callback
* @return $this
*/
public function setRouteResolver(Closure $callback)
{
$this->routeResolver = $callback;
return $this;
}
/**
* Determine if the given offset exists.
*
* @param string $offset
* @return bool
*/
public function offsetExists($offset)
{
return array_key_exists($offset, $this->all());
}
/**
* Get the value at the given offset.
*
* @param string $offset
* @return mixed
*/
public function offsetGet($offset)
{
return $this->input($offset);
}
/**
* Set the value at the given offset.
*
* @param string $offset
* @param mixed $value
* @return void
*/
public function offsetSet($offset, $value)
{
return $this->getInputSource()->set($offset, $value);
}
/**
* Remove the value at the given offset.
*
* @param string $offset
* @return void
*/
public function offsetUnset($offset)
{
return $this->getInputSource()->remove($offset);
}
/**
* Get an input element from the request.
*
* @param string $key
* @return mixed
*/
public function __get($key)
{
$input = $this->input();
if (array_key_exists($key, $input))
{
return $this->input($key);
}
elseif ( ! is_null($this->route()))
{
return $this->route()->parameter($key);
}
}
}