[rapidleech][d] depfile_com

<?php

if (!defined('RAPIDLEECH')) {
    require_once('index.html');
    exit;
}

class depfile_com extends DownloadClass {
    private $page, $cookie = array('sdlanguageid' => '2'), $pA, $DLRegexp = '@https?://(?:[\w\-]+\.)+[\w\-]+(?:\:\d+)?/\d/\d+/\d/\w+/[^\t\r\n\'\"<>]+@i';
    public function Download($link) {
        if (!preg_match('@(https://depfile\.com)/(?>downloads|([a-zA-Z\d]{8,})(?=/|$))(?(2)|/i/(\d+)/f/[^\s]+\.html)@i', str_ireplace(array('http://', '//www.depfile.com'), array('https://', '//depfile.com'), $link), $fid)) html_error('Invalid link?.');
        $this->link = $GLOBALS['Referer'] = $fid[0];
        $this->baseUrl = $fid[1];
        $this->fid = empty($fid[3]) ? $fid[2] : $fid[3];

        if (empty($_POST['step'])) {
            $this->page = $this->GetPage($this->link, $this->cookie);
            $this->cookie = GetCookiesArr($this->page, $this->cookie);

            if (substr($this->page, 9, 3) == '404') html_error('Page Not Found.');

            if (is_numeric($this->fid)) is_present($this->page, 'File was not found in the DepFile database.', 'File Not Found or Link Invalid.');
            else is_present($this->page, "\nLocation: /premium", 'File Not Found.');
            $this->cookie['sdlanguageid'] = '2';

            if (stripos($this->page, '<h1>Download folder</h1>') !== false) return $this->Folder();
        }

        $this->pA = (empty($_REQUEST['premium_user']) || empty($_REQUEST['premium_pass']) ? false : true);
        if (($_REQUEST['premium_acc'] == 'on' && ($this->pA || (!empty($GLOBALS['premium_acc']['depfile_com']['user']) && !empty($GLOBALS['premium_acc']['depfile_com']['pass']))))) {
            $user = ($this->pA ? $_REQUEST['premium_user'] : $GLOBALS['premium_acc']['depfile_com']['user']);
            $pass = ($this->pA ? $_REQUEST['premium_pass'] : $GLOBALS['premium_acc']['depfile_com']['pass']);
            if ($this->pA && !empty($_POST['pA_encrypted'])) {
                $user = decrypt(urldecode($user));
                $pass = decrypt(urldecode($pass));
                unset($_POST['pA_encrypted']);
            }
            return $this->CookieLogin($user, $pass);
        } else return $this->FreeDL();
    }

    private function Folder() {
        if (isset($_GET['audl'])) return html_error('Cannot check folder in audl.');
        if (!preg_match_all('@https?://(?:www\.)?depfile\.com/[a-zA-Z\d]{8,}(?=\')@i', $this->page, $links)) html_error('Empty folder?');
        return $this->moveToAutoDownloader($links[0]);
    }

    private function FreeDL() {
        if (empty($_POST['step']) || $_POST['step'] != '1') {
            is_present($this->page, 'File is available only for Premium users', 'This File Is Only Available For Premium Users.');
            if (!preg_match('@/includes/vvc\.php\?vvcid=(\d+)@i', $this->page, $vvc)) html_error('CAPTCHA not Found.');
            $data = $this->DefaultParamArr($this->link, $this->cookie, 1, 1);
            $data['step'] = '1';
            $data['vvcid'] = $vvc[1];
            list($headers, $imgBody) = explode("\r\n\r\n", $this->GetPage($this->baseUrl.$vvc[0]), 2);
            if (substr($headers, 9, 3) != '200') html_error('FreeDL: Error downloading captcha img.');
            $mimetype = (preg_match('@image/[\w+]+@', $headers, $mimetype) ? $mimetype[0] : 'image/png');
            return $this->EnterCaptcha("data:$mimetype;base64," . base64_encode($imgBody), $data);
        }
        if (empty($_POST['vvcid'])) html_error('FreeDL: Captcha\'s vvcid not Found.');
        if (empty($_POST['captcha'])) html_error('FreeDL: You didn\'t enter the image verification code.');
        $this->cookie = StrToCookies(decrypt(urldecode($_POST['cookie'])));
        $this->cookie['sdlanguageid'] = '2';

        $post = array('vvcid' => urlencode($_POST['vvcid']), 'verifycode' => urlencode($_POST['captcha']), 'FREE' => 'Low+Speed+Download');
        $page = $this->GetPage($this->link, $this->cookie, $post);
        is_present($page, 'Wrong CAPTCHA', 'Incorrect CAPTCHA Answer.');
        is_present($page, '>Download limit for free user.<', 'FreeDL Limit Reached.');
        if (preg_match('@A file was recently downloaded from your IP address. No less than \d+ \w+ should pass before next download.@i', $page, $err)) html_error($err[0]);

        // Search Download Link
        if (!preg_match($this->DLRegexp, $page, $DL)) {
            if (!preg_match('@document\.getElementById\("wait_url"\)\.innerHTML\s*=\s*unescape\(\'([^\']+)\'\)@', $page, $inner)) html_error('Download Link Container not Found.');
            $inner = rawurldecode($inner[1]);
            if (!preg_match($this->DLRegexp, $inner, $DL)) html_error('Download Link not Found.');
        }

        // Countdown
        if (!preg_match('@var\s+sec\s*=\s*(\d+)\s*;@', $page, $cD)) html_error('Countdown not Found.');
        $this->CountDown($cD[1]);

        return $this->RedirectDownload($DL[0], urldecode(parse_url($DL[0], PHP_URL_PATH)));
    }

    private function PremiumDL() {
        $page = $this->GetPage($this->link, $this->cookie);
        $this->chkPremCaptcha($page);
        is_present($page, 'Sorry, you spent downloads limit on urls/files per 24 hours.', 'Premium Download Limit Reached.');
        if (!preg_match($this->DLRegexp, $page, $DL)) html_error('Download Link not Found.');
        return $this->RedirectDownload($DL[0], urldecode(parse_url($DL[0], PHP_URL_PATH)));
    }

    private function chkPremCaptcha(&$page) {
        if (!preg_match('@/includes/vvc\.php\?vvcid=(\d+)@i', $page, $vvc)) return false;

        if (empty($_POST['step']) || $_POST['step'] != '3') {
            $data = $this->DefaultParamArr($this->link, $this->cookie, 1, 1);
            $data['step'] = '3';
            $data['vvcid'] = $vvc[1];
            if ($this->pA) {
                $data['pA_encrypted'] = 'true';
                $data['premium_user'] = urlencode(encrypt($_REQUEST['premium_user']));
                $data['premium_pass'] = urlencode(encrypt($_REQUEST['premium_pass']));
            }
            list($headers, $imgBody) = explode("\r\n\r\n", $this->GetPage($this->baseUrl.$vvc[0]), 2);
            if (substr($headers, 9, 3) != '200') html_error('PremiumDL: Error downloading captcha img.');
            $mimetype = (preg_match('@image/[\w+]+@', $headers, $mimetype) ? $mimetype[0] : 'image/png');
            return $this->EnterCaptcha("data:$mimetype;base64," . base64_encode($imgBody), $data);
        }
        if (empty($_POST['vvcid'])) html_error('PremiumDL: Captcha\'s vvcid not Found.');
        if (empty($_POST['captcha'])) html_error('PremiumDL: You didn\'t enter the image verification code.');

        $post = array('vvcid' => urlencode($_POST['vvcid']), 'verifycode' => urlencode($_POST['captcha']), 'prem_plus' => 'Next');
        $page = $this->GetPage($this->link, $this->cookie, $post);
        is_present($page, 'Wrong CAPTCHA', 'Incorrect CAPTCHA Answer.');
        return true;
    }

    private function loginTOTP(&$page) {
        if (empty($_POST['step']) || $_POST['step'] != '2') {
            if (strpos($page, "' name='user_otp_code'") === false) return false;
            // Found otp input field
            $data = $this->DefaultParamArr($this->link, $this->cookie, 1, 1);
            $data['step'] = '2';
            if ($this->pA) {
                $data['pA_encrypted'] = 'true';
                $data['premium_user'] = urlencode(encrypt($_REQUEST['premium_user']));
                $data['premium_pass'] = urlencode(encrypt($_REQUEST['premium_pass']));
            }
            echo "<form action='{$_SERVER['SCRIPT_NAME']}' method='POST'>\n";
            foreach ($data as $key => $value) echo "<input type='hidden' name='$key' value='" . htmlspecialchars($value, ENT_QUOTES) . "' />\n";
            echo 'Enter login TOTP' . ($this->pA ? ' for ' . htmlspecialchars($_REQUEST['premium_user']) : '') . ":<br />\n<input type='text' pattern='[0-9]{6}' name='totp_code' placeholder='Enter OTP token here' autofocus='autofocus' required='required' />\n<input type='submit' />\n</form>";
            return html_error('Login TOTP (Time-based One-Time Password) Required');
        }
        $_POST['step'] = false;
        if (empty($_POST['totp_code']) || !preg_match('/^\d{6}$/', $_POST['totp_code'])) html_error('Empty TOTP Code or Incomplete.');

        $page = $this->GetPage($this->baseUrl . '/', $this->cookie, array('user_otp_code' => $_POST['totp_code']));
        is_present($page, "' name='user_otp_code'", 'Incorrect Login TOTP Token.');
        $this->cookie = GetCookiesArr($page, $this->cookie); // Update cookies
        $this->cookie['sdlanguageid'] = '2';

        return true;
    }

    private function Login($user, $pass) {
        $post = array('login' => 'login');
        $post['loginemail'] = urlencode($user);
        $post['loginpassword'] = urlencode($pass);
        $post['submit'] = 'login';
        $post['rememberme'] = 'on';
        $page = $this->GetPage($this->baseUrl . '/', $this->cookie, $post);
        is_present($page, 'E-mail not found.', 'Login Error: Wrong Email.');
        is_present($page, 'Incorrect password', 'Login Error: Wrong Password.');
        $this->cookie = GetCookiesArr($page, $this->cookie); // Update cookies
        $this->cookie['sdlanguageid'] = '2';
        if (empty($this->cookie['sduserid'])) html_error('Login Error: "sduserid" cookie not found.');
        if (empty($this->cookie['sdpassword'])) html_error('Login Error: "sdpassword" cookie not found.');

        $this->SaveCookies($user, $pass); // Update cookies file

        if ($this->loginTOTP($page)) $this->SaveCookies($user, $pass);

        if (stripos($page, "<img src='/images/svg/i_premium.svg'") === false) {
            $this->changeMesg('<br /><b>Account isn\'t premium?</b>', true);

            $this->page = $this->GetPage($this->link, $this->cookie);
            $this->cookie = GetCookiesArr($this->page, $this->cookie);
            $this->cookie['sdlanguageid'] = '2';

            return $this->FreeDL();
        } else return $this->PremiumDL();
    }

    private function IWillNameItLater($cookie, $decrypt = true) {
        if (!is_array($cookie)) {
            if (!empty($cookie)) return $decrypt ? decrypt(urldecode($cookie)) : urlencode(encrypt($cookie));
            return '';
        }
        if (count($cookie) < 1) return $cookie;
        $keys = array_keys($cookie);
        $values = array_values($cookie);
        $keys = $decrypt ? array_map('decrypt', array_map('urldecode', $keys)) : array_map('urlencode', array_map('encrypt', $keys));
        $values = $decrypt ? array_map('decrypt', array_map('urldecode', $values)) : array_map('urlencode', array_map('encrypt', $values));
        return array_combine($keys, $values);
    }

    private function CookieLogin($user, $pass, $filename = 'depfile_dl.php') {
        global $secretkey;
        if (empty($user) || empty($pass)) html_error('Login Failed: User or Password is empty.');
        $user = strtolower($user);

        $filename = DOWNLOAD_DIR . basename($filename);
        if (!file_exists($filename)) return $this->Login($user, $pass);

        $file = file($filename);
        $savedcookies = unserialize($file[1]);
        unset($file);

        $hash = hash('crc32b', $user.':'.$pass);
        if (is_array($savedcookies) && array_key_exists($hash, $savedcookies)) {
            $_secretkey = $secretkey;
            $secretkey = hash('crc32b', $pass).sha1($user.':'.$pass).hash('crc32b', $user); // A 56 char key should be safer. :D
            $testCookie = (decrypt(urldecode($savedcookies[$hash]['enc'])) == 'OK') ? $this->IWillNameItLater($savedcookies[$hash]['cookie']) : '';
            $secretkey = $_secretkey;
            if (empty($testCookie) || (is_array($testCookie) && count($testCookie) < 1)) return $this->Login($user, $pass);

            $page = $this->GetPage($this->baseUrl.'/', $testCookie);
            if (stripos($page, '\'/uploads/logout\'>') === false) return $this->Login($user, $pass);
            $this->cookie = GetCookiesArr($page, $testCookie); // Update cookies
            $this->cookie['sdlanguageid'] = '2';
            $this->SaveCookies($user, $pass); // Update cookies file
            if ($this->loginTOTP($page)) $this->SaveCookies($user, $pass);
            if (stripos($page, "<img src='/images/svg/i_premium.svg'") === false) {
                $this->changeMesg('<br /><b>Account isn\'t premium?</b>', true);
                $this->page = $this->GetPage($this->link, $this->cookie);
                $this->cookie = GetCookiesArr($this->page, $this->cookie);
                $this->cookie['sdlanguageid'] = '2';
                return $this->FreeDL();
            } else return $this->PremiumDL();
        }
        return $this->Login($user, $pass);
    }

    private function SaveCookies($user, $pass, $filename = 'depfile_dl.php') {
        global $secretkey;
        $maxdays = 31; // Max days to keep extra cookies saved
        $filename = DOWNLOAD_DIR . basename($filename);
        if (file_exists($filename)) {
            $file = file($filename);
            $savedcookies = unserialize($file[1]);
            unset($file);

            if (is_array($savedcookies)) {
                // Remove old cookies
                foreach ($savedcookies as $k => $v) if (empty($v['time']) || time() - $v['time'] >= ($maxdays * 24 * 60 * 60)) unset($savedcookies[$k]);
            } else $savedcookies = array();
        } else $savedcookies = array();
        $hash = hash('crc32b', $user.':'.$pass);
        $_secretkey = $secretkey;
        $secretkey = hash('crc32b', $pass).sha1($user.':'.$pass).hash('crc32b', $user); // A 56 char key should be safer. :D
        $savedcookies[$hash] = array('time' => time(), 'enc' => urlencode(encrypt('OK')), 'cookie' => $this->IWillNameItLater($this->cookie, false));
        $secretkey = $_secretkey;

        file_put_contents($filename, "<?php exit(); ?>\r\n" . serialize($savedcookies), LOCK_EX);
    }
}

// [28-4-2016] Written by Th3-822.
// [02-1-2017] Fixed premium check. - Th3-822

?>