191 lines
3.9 KiB
PHP
191 lines
3.9 KiB
PHP
<?php namespace System;
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class Response {
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/**
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* The content of the response.
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*
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* @var mixed
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*/
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public $content;
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/**
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* The HTTP status code of the response.
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*
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* @var int
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*/
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public $status;
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/**
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* The response headers.
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*
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* @var array
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*/
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public $headers = array();
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/**
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* HTTP status codes.
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*
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* @var array
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*/
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private $statuses = array(
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100 => 'Continue',
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101 => 'Switching Protocols',
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200 => 'OK',
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201 => 'Created',
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202 => 'Accepted',
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203 => 'Non-Authoritative Information',
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204 => 'No Content',
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205 => 'Reset Content',
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206 => 'Partial Content',
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207 => 'Multi-Status',
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300 => 'Multiple Choices',
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301 => 'Moved Permanently',
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302 => 'Found',
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303 => 'See Other',
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304 => 'Not Modified',
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305 => 'Use Proxy',
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307 => 'Temporary Redirect',
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400 => 'Bad Request',
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401 => 'Unauthorized',
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402 => 'Payment Required',
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403 => 'Forbidden',
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404 => 'Not Found',
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405 => 'Method Not Allowed',
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406 => 'Not Acceptable',
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407 => 'Proxy Authentication Required',
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408 => 'Request Timeout',
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409 => 'Conflict',
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410 => 'Gone',
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411 => 'Length Required',
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412 => 'Precondition Failed',
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413 => 'Request Entity Too Large',
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414 => 'Request-URI Too Long',
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415 => 'Unsupported Media Type',
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416 => 'Requested Range Not Satisfiable',
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417 => 'Expectation Failed',
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422 => 'Unprocessable Entity',
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423 => 'Locked',
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424 => 'Failed Dependency',
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500 => 'Internal Server Error',
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501 => 'Not Implemented',
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502 => 'Bad Gateway',
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503 => 'Service Unavailable',
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504 => 'Gateway Timeout',
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505 => 'HTTP Version Not Supported',
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507 => 'Insufficient Storage',
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509 => 'Bandwidth Limit Exceeded'
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);
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/**
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* Create a new response instance.
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*
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* @param mixed $content
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* @param int $status
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*/
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public function __construct($content, $status = 200)
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{
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$this->content = $content;
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$this->status = $status;
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}
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/**
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* Factory for creating new response instances.
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*
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* @param string $content
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* @param int $status
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* @return Response
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*/
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public static function make($content, $status = 200)
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{
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return new static($content, $status);
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}
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/**
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* Factory for creating new error response instances.
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*
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* @param int $code
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* @param array $data
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* @return Response
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*/
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public static function error($code, $data = array())
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{
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return static::make(View::make('error/'.$code, $data), $code);
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}
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/**
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* Take a value returned by a route and prepare a Response instance.
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*
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* @param mixed $response
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* @return Response
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*/
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public static function prepare($response)
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{
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if ($response instanceof Redirect) $response = $response->response;
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return ( ! $response instanceof Response) ? new static($response) : $response;
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}
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/**
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* Send the response to the browser.
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*
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* @return void
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*/
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public function send()
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{
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if ( ! array_key_exists('Content-Type', $this->headers)) $this->header('Content-Type', 'text/html; charset=utf-8');
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if ( ! headers_sent()) $this->send_headers();
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echo (string) $this->content;
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}
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/**
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* Send the response headers to the browser.
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*
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* @return void
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*/
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public function send_headers()
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{
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$protocol = (isset($_SERVER['SERVER_PROTOCOL'])) ? $_SERVER['SERVER_PROTOCOL'] : 'HTTP/1.1';
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header($protocol.' '.$this->status.' '.$this->statuses[$this->status]);
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foreach ($this->headers as $name => $value)
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{
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header($name.': '.$value, true);
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}
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}
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/**
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* Add a header to the response.
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*
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* @param string $name
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* @param string $value
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* @return Response
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*/
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public function header($name, $value)
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{
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$this->headers[$name] = $value;
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return $this;
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}
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/**
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* Determine if the response is a redirect.
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*
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* @return bool
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*/
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public function is_redirect()
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{
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return $this->status == 301 or $this->status == 302;
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}
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/**
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* Get the parsed content of the Response.
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*/
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public function __toString()
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{
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return (string) $this->content;
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}
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} |