WebResponse.php

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<?php
class WebResponse {

    public function header( $string, $replace = true, $http_response_code = null ) {
        header( $string, $replace, $http_response_code );
    }

    public function setcookie( $name, $value, $expire = 0, $options = null ) {
        global $wgCookiePath, $wgCookiePrefix, $wgCookieDomain;
        global $wgCookieSecure, $wgCookieExpiration, $wgCookieHttpOnly;

        if ( !is_array( $options ) ) {
            // Backwards compatibility
            $options = array( 'prefix' => $options );
            if ( func_num_args() >= 5 ) {
                $options['domain'] = func_get_arg( 4 );
            }
            if ( func_num_args() >= 6 ) {
                $options['secure'] = func_get_arg( 5 );
            }
        }
        $options = array_filter( $options, function ( $a ) {
            return $a !== null;
        } ) + array(
            'prefix' => $wgCookiePrefix,
            'domain' => $wgCookieDomain,
            'path' => $wgCookiePath,
            'secure' => $wgCookieSecure,
            'httpOnly' => $wgCookieHttpOnly,
            'raw' => false,
        );

        if ( $expire === null ) {
            $expire = 0; // Session cookie
        } elseif ( $expire == 0 && $wgCookieExpiration != 0 ) {
            $expire = time() + $wgCookieExpiration;
        }

        $func = $options['raw'] ? 'setrawcookie' : 'setcookie';

        if ( wfRunHooks( 'WebResponseSetCookie', array( &$name, &$value, &$expire, $options ) ) ) {
            wfDebugLog( 'cookie',
                $func . ': "' . implode( '", "',
                    array(
                        $options['prefix'] . $name,
                        $value,
                        $expire,
                        $options['path'],
                        $options['domain'],
                        $options['secure'],
                        $options['httpOnly'] ) ) . '"' );

            call_user_func( $func,
                $options['prefix'] . $name,
                $value,
                $expire,
                $options['path'],
                $options['domain'],
                $options['secure'],
                $options['httpOnly'] );
        }
    }
}

class FauxResponse extends WebResponse {
    private $headers;
    private $cookies;
    private $code;

    public function header( $string, $replace = true, $http_response_code = null ) {
        if ( substr( $string, 0, 5 ) == 'HTTP/' ) {
            $parts = explode( ' ', $string, 3 );
            $this->code = intval( $parts[1] );
        } else {
            list( $key, $val ) = array_map( 'trim', explode( ":", $string, 2 ) );

            $key = strtoupper( $key );

            if ( $replace || !isset( $this->headers[$key] ) ) {
                $this->headers[$key] = $val;
            }
        }

        if ( $http_response_code !== null ) {
            $this->code = intval( $http_response_code );
        }
    }

    public function getheader( $key ) {
        $key = strtoupper( $key );

        if ( isset( $this->headers[$key] ) ) {
            return $this->headers[$key];
        }
        return null;
    }

    public function getStatusCode() {
        return $this->code;
    }

    public function setcookie( $name, $value, $expire = 0, $options = null ) {
        $this->cookies[$name] = $value;
    }

    public function getcookie( $name ) {
        if ( isset( $this->cookies[$name] ) ) {
            return $this->cookies[$name];
        }
        return null;
    }
}