<?php
/*
 *    SMF 2.0 RC4 remote utils
 *           -anthony
 * currently can; login,
 */
class SMF {
    protected $site, $user, $pass, $ch, $logged_in = false;

    public function __construct($_site, $_user, $_pass $cookies_file) {
        $this->site = $_site;
        $this->user = $_user;
        $this->pass = $_pass;
        $this->ch = curl_init();
        curl_setopt($this->ch, CURLOPT_USERAGENT, "Opera/9.6 (Windows NT 5.1; U; pl)");
        curl_setopt($this->ch, CURLOPT_TIMEOUT, '50');
        curl_setopt($this->ch, CURLOPT_FOLLOWLOCATION, 1);
        curl_setopt($this->ch, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($this->ch, CURLOPT_REFERER, $this->site);
        curl_setopt($this->ch, CURLOPT_COOKIEJAR, $cookies_file);
        curl_setopt($this->ch, CURLOPT_COOKIEFILE, $cookies_file);
    }

    function SMF_login($user, $pass) {
        curl_setopt($this->ch, CURLOPT_URL, $this->site . 'index.php?action=login');
        curl_setopt($this->ch, CURLOPT_POST, 0);
        $buffer = curl_exec($this->ch);
        $sessionid =  substr($buffer, strpos($buffer, 'hashLoginPassword(this, ') + 25, 32);
        if(!$sessionid) {
            $this->SMF_login($user, $pass);
        }
        $sha_pass = sha1(sha1(strtolower($user) . $pass) . $sessionid);
        $data = "user=$user&passwrd=&cookieneverexp=on&hash_passwrd=$sha_pass";
        curl_setopt($this->ch, CURLOPT_URL, $this->site . 'index.php?action=login2');
        curl_setopt($this->ch, CURLOPT_POST, 1);
        curl_setopt($this->ch,CURLOPT_POSTFIELDS, $data);
        $buffer = curl_exec($this->ch);
        $pos = strpos($buffer, "Hello $user");
        if($pos === false) {
            return 0;
        } else {
            $this->logged_in = true;
            return 1;
        }
    }
}

$test = new SMF('SMFSITEWITHTRAILINGSLASH', 'cookies.txt');
if($test->SMF_login('user', 'pass')) {
    echo 'logged in!';
} else {
    echo 'couldnt log in?';
}
?>