CookieJar.php

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<?php
class CookieJar {
    private $cookie = [];
 
    public function setCookie( $name, $value, $attr ) {
        /* cookies: case insensitive, so this should work.
         * We'll still send the cookies back in the same case we got them, though.
         */
        $index = strtoupper( $name );
 
        if ( isset( $this->cookie[$index] ) ) {
            $this->cookie[$index]->set( $value, $attr );
        } else {
            $this->cookie[$index] = new Cookie( $name, $value, $attr );
        }
    }
 
    public function serializeToHttpRequest( $path, $domain ) {
        $cookies = [];
 
        foreach ( $this->cookie as $c ) {
            $serialized = $c->serializeToHttpRequest( $path, $domain );
 
            if ( $serialized ) {
                $cookies[] = $serialized;
            }
        }
 
        return implode( '; ', $cookies );
    }
 
    public function parseCookieResponseHeader( $cookie, $domain ) {
        $len = strlen( 'Set-Cookie:' );
 
        if ( substr_compare( 'Set-Cookie:', $cookie, 0, $len, true ) === 0 ) {
            $cookie = substr( $cookie, $len );
        }
 
        $bit = array_map( 'trim', explode( ';', $cookie ) );
 
        if ( count( $bit ) >= 1 ) {
            list( $name, $value ) = explode( '=', array_shift( $bit ), 2 );
            $attr = [];
 
            foreach ( $bit as $piece ) {
                $parts = explode( '=', $piece );
                if ( count( $parts ) > 1 ) {
                    $attr[strtolower( $parts[0] )] = $parts[1];
                } else {
                    $attr[strtolower( $parts[0] )] = true;
                }
            }
 
            if ( !isset( $attr['domain'] ) ) {
                $attr['domain'] = $domain;
            } elseif ( !Cookie::validateCookieDomain( $attr['domain'], $domain ) ) {
                return null;
            }
 
            $this->setCookie( $name, $value, $attr );
        }
    }
}