garveen / laravoole

src/Response.php

<?php
namespace Laravoole;

class Response
{
    public $http_protocol = 'HTTP/1.1';
    public $http_status = 200;

    public $header;
    public $cookie;
    public $content = '';

    public $isFastCgi = false;

    static $HTTP_HEADERS = array(
        100 => 'Continue',
        101 => 'Switching Protocols',
        102 => 'Processing', // RFC2518
        200 => 'OK',
        201 => 'Created',
        202 => 'Accepted',
        203 => 'Non-Authoritative Information',
        204 => 'No Content',
        205 => 'Reset Content',
        206 => 'Partial Content',
        207 => 'Multi-Status', // RFC4918
        208 => 'Already Reported', // RFC5842
        226 => 'IM Used', // RFC3229
        300 => 'Multiple Choices',
        301 => 'Moved Permanently',
        302 => 'Found',
        303 => 'See Other',
        304 => 'Not Modified',
        305 => 'Use Proxy',
        306 => 'Reserved',
        307 => 'Temporary Redirect',
        308 => 'Permanent Redirect', // RFC7238
        400 => 'Bad Request',
        401 => 'Unauthorized',
        402 => 'Payment Required',
        403 => 'Forbidden',
        404 => 'Not Found',
        405 => 'Method Not Allowed',
        406 => 'Not Acceptable',
        407 => 'Proxy Authentication Required',
        408 => 'Request Timeout',
        409 => 'Conflict',
        410 => 'Gone',
        411 => 'Length Required',
        412 => 'Precondition Failed',
        413 => 'Request Entity Too Large',
        414 => 'Request-URI Too Long',
        415 => 'Unsupported Media Type',
        416 => 'Requested Range Not Satisfiable',
        417 => 'Expectation Failed',
        418 => 'I\'m a teapot', // RFC2324
        422 => 'Unprocessable Entity', // RFC4918
        423 => 'Locked', // RFC4918
        424 => 'Failed Dependency', // RFC4918
        425 => 'Reserved for WebDAV advanced collections expired proposal', // RFC2817
        426 => 'Upgrade Required', // RFC2817
        428 => 'Precondition Required', // RFC6585
        429 => 'Too Many Requests', // RFC6585
        431 => 'Request Header Fields Too Large', // RFC6585
        500 => 'Internal Server Error',
        501 => 'Not Implemented',
        502 => 'Bad Gateway',
        503 => 'Service Unavailable',
        504 => 'Gateway Timeout',
        505 => 'HTTP Version Not Supported',
        506 => 'Variant Also Negotiates (Experimental)', // RFC2295
        507 => 'Insufficient Storage', // RFC4918
        508 => 'Loop Detected', // RFC5842
        510 => 'Not Extended', // RFC2774
        511 => 'Network Authentication Required', // RFC6585
    );

    protected $protocol;
    public $request;
    protected $gzip_level = false;

    public function __construct($protocol, $request, $isFastCgi = false)
    {
        $this->protocol = $protocol;
        $this->request = $request;
        $this->request->response = $this;
        $this->header = [
            'Content-Type' => 'text/html',
        ];
    }

    /**
     * 设置Http状态
     * @param $code
     */
    public function status($code)
    {
        $this->http_status = $code;
    }

    /**
     * 设置Http头信息
     * @param $key
     * @param $value
     */
    public function header($key, $value)
    {
        $this->header[ucwords($key, '-')] = $value;
    }

    /**
     * 设置COOKIE
     * @param $name
     * @param null $value
     * @param null $expire
     * @param string $path
     * @param null $domain
     * @param null $secure
     * @param null $httponly
     */
    public function rawcookie($name, $value = null, $expire = null, $path = '/', $domain = null, $secure = null, $httponly = null)
    {
        $cookie = [];
        foreach (['name', 'value', 'expire', 'path', 'domain', 'secure', 'httponly'] as $key) {
            $cookie[$key] = $$key;
        }
        $this->cookie[] = $cookie;
    }

    /**
     * 添加http header
     * @param $header
     */
    public function addHeaders(array $header)
    {
        $this->header = array_merge($this->header, $header);
    }

    public function getHeader()
    {
        $out = '';
        if ($this->isFastCgi) {
            $status = isset(static::$HTTP_HEADERS[$this->http_status]) ? static::$HTTP_HEADERS[$this->http_status] : 'Undefined Status Code';

Since $HTTP_HEADERS is declared private, accessing it with static will lead to errors in possible sub-classes; consider using self, or increasing the visibility of $HTTP_HEADERS to at least protected.

            $out .= 'Status: ' . $this->http_status . ' ' . $status . "\r\n";
        } else {
            //Protocol
            if (isset($this->header[0])) {
                $out .= $this->header[0] . "\r\n";
                unset($this->header[0]);
            } else {
                $out = "HTTP/1.1 200 OK\r\n";
            }
        }
        if (!isset($this->header['Content-Length'])) {
            $this->header['Content-Length'] = strlen($this->content);
        }

        //Headers
        foreach ($this->header as $k => $v) {
            $out .= $k . ': ' . $v . "\r\n";
        }
        //Cookies
        if (!empty($this->cookie) and is_array($this->cookie)) {
            foreach ($this->cookie as $cookie) {

                if ($cookie['value'] == null) {
                    $cookie['value'] = 'deleted';
                }
                $value = "{$cookie['name']}={$cookie['value']}";
                if ($cookie['expire']) {
                    $value .= "; expires=" . date("D, d-M-Y H:i:s T", $cookie['expire']);
                }
                if ($cookie['path']) {
                    $value .= "; path={$cookie['path']}";
                }
                if ($cookie['secure']) {
                    $value .= "; secure";
                }
                if ($cookie['domain']) {
                    $value .= "; domain={$cookie['domain']}";
                }
                if ($cookie['httponly']) {
                    $value .= '; httponly';
                }

                $out .= "Set-Cookie: $value\r\n";
            }
        }
        //End
        $out .= "\r\n";
        return $out;
    }

    public function noCache()
    {
        $this->header['Cache-Control'] = 'no-store, no-cache, must-revalidate, post-check=0, pre-check=0';
        $this->header['Pragma'] = 'no-cache';
    }

    public function gzip($level)
    {
        $this->gzip_level = $level;
    }

    public function getRawContent($content = '')
    {
        if($content) {
            $this->content = $content;
        } else {
            $content = $this->content;
        }
        if ($this->gzip_level) {
            $content = gzencode($content, $this->gzip_level);
            $this->header('Content-Encoding', 'gzip');
        }
        $this->header('Content-Length', strlen($content));
        $out = $this->getHeader();
        $out .= $content;
        return $out;
    }
}