[rapidleech][d] 4shared_com.php

<?php

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

class d4shared_com extends DownloadClass {
    private $page, $cookie, $pA, $DL_regexp, $noTrafficFreeDl;
    public $link;
    public function Download($link) {
        global $premium_acc;
        $this->DL_regexp = '@https?://dc\d+\.4shared\.com/download/[^/\"\'\s<>]+/(?:tsid[^/\"\'\s<>]+/)?[^/\"\'\s<>]+@i';
        $this->cookie = array('4langcookie' => 'en');
        $this->noTrafficFreeDl = true; // Set to true to switch to free download when premium traffic used is over the limit.

        $this->link = str_ireplace('.com/get/', '.com/file/', $link);
        $this->page = $this->GetPage($this->link, $this->cookie);
        $this->cookie = GetCookiesArr($this->page, $this->cookie);
        is_present($this->page, 'The file link that you requested is not valid.');
        is_present($this->page, 'The file is suspected of illegal or copyrighted content.');
        is_present($this->page, 'This file is no longer available because it\'s identical to file banned because of claim.'); // MD5 banned

        if ($_REQUEST['premium_acc'] == 'on' && ((!empty($_REQUEST['premium_user']) && !empty($_REQUEST['premium_pass'])) || (!empty($premium_acc['4shared_com']['user']) && !empty($premium_acc['4shared_com']['pass'])))) {
            $this->pA = (!empty($_REQUEST['premium_user']) && !empty($_REQUEST['premium_pass']) ? true : false);
            return $this->login();
        } else return $this->FreeDownload();
    }

    private function FreeDownload() {
        $this->CheckForPass();

        // Direct link downloadable without login or countdown...
        if (preg_match($this->DL_regexp, $this->page, $DL)) {
            if (preg_match('/[\?&]dirPwdVerified=(\w+)/i', $this->link, $pwd)) $DL[0] .= '&dirPwdVerified='.$pwd[1];
            return $this->RedirectDownload($DL[0], urldecode(basename(parse_url($DL[0], PHP_URL_PATH))), $this->cookie);
        }

        if (!preg_match('@\.com/[^/]+/([^/]+)/?(.*)@i', $this->link, $L)) html_error('Invalid link?');
        $getLink = "http://www.4shared.com/get/{$L[1]}/{$L[2]}";
        $page = $this->GetPage("http://www.4shared.com/get/{$L[1]}/{$L[2]}", $this->cookie);
        $GLOBALS['Referer'] = $getLink;

        if (!preg_match($this->DL_regexp, $page, $DL)) html_error('Download-link not found.');
        $this->cookie = GetCookiesArr($page, $this->cookie);
        $dllink = $DL[0];
        if (preg_match('/[\?&]dirPwdVerified=(\w+)/i', $this->link, $pwd)) $dllink .= '&dirPwdVerified='.$pwd[1];

        if (!preg_match('@id="secondsLeft"[\s\t]+value="(\d+)"@i', $page, $count) && !preg_match('@id="downloadDelayTimeSec"[^<>/]*>(\d+)<@i', $page, $count)) html_error('Timer not found.');

        $FileName = urldecode(basename(parse_url($dllink, PHP_URL_PATH)));
        if ($count[1] <= 120) $this->CountDown($count[1]);
        else {
            $data = $this->DefaultParamArr($dllink, encrypt($this->cookie));
            $data['filename'] = urlencode($FileName);
            $data['host'] = $url['host'];
            $data['port'] = $url['port'];
            $data['path'] = urlencode($url['path'] . ($url['query'] ? '?' . $url['query'] : ''));
            $data['saveto'] = $_GET['path'];
            $this->JSCountdown($count[1], $data);
        }

        $this->RedirectDownload($dllink, $FileName, $this->cookie);
    }

    private function CheckForPass($predl=false) {
        global $PHP_SELF;
        if (isset($_GET['step']) && $_GET['step'] == '1') {
            $post = array();
            $post['userPass2'] = $_POST['userPass2'];
            $post['dsid'] = trim($_POST['dsid']);
            $this->page = $this->GetPage($this->link, $this->cookie, $post, $this->link);
            is_present($this->page, 'Please enter a password to access this file', 'The password you have entered is not valid.');
        } elseif (stristr($this->page, 'Please enter a password to access this file')) {
            echo "\n<center><form name='dl_password' action='$PHP_SELF' method='POST'>\n";
            $data = $this->DefaultParamArr($this->link);
            $data['step'] = 1;
            $data['dsid'] = cut_str($this->page, 'name="dsid" value="', '"');
            foreach ($data as $name => $val) echo "<input type='hidden' name='$name' id='$name' value='$val' />\n";
            if ($predl) echo '<br /><input type="checkbox" name="premium_acc" id="premium_acc" onclick="javascript:var displ=this.checked?\'\':\'none\';document.getElementById(\'premiumblock\').style.display=displ;" '.(!$this->pA?'checked="checked"':'').' />&nbsp;'.lang(249).'<br /><div id="premiumblock" style="display: none;"><br /><table width="150" border="0"><tr><td>'.lang(250).':&nbsp;</td><td><input type="text" name="premium_user" id="premium_user" size="15" value="" /></td></tr><tr><td>'.lang(251).':&nbsp;</td><td><input type="password" name="premium_pass" id="premium_pass" size="15" value="" /></td></tr></table></div><br />';
            echo '<h4>Enter password here: <input type="text" name="userPass2" id="filepass" size="13" />&nbsp;&nbsp;<input type="submit" onclick="return check()" value="Download File" /></h4>' . "\n";
            echo "<script type='text/javascript'>\nfunction check() {\nvar pass=document.getElementById('filepass');\nif (pass.value == '') { window.alert('You didn\'t enter the password'); return false; }\nelse { return true; }\n}\n</script>\n";
            echo "\n</form></center>\n</body>\n</html>";
            exit;
        }
        $this->cookie = GetCookiesArr($this->page, $this->cookie, true, array('','deleted','""'));
    }

    private function PremiumDownload() {
        $page = $this->GetPage($this->link, $this->cookie);
        $this->CheckForPass(true);
        $this->cookie = GetCookiesArr($page, $this->cookie);

        if (stripos($page, "\nContent-Length: 0\n") !== false) is_notpresent($page, "\nLocation: ", 'Error: Direct link not found.');
        if (!preg_match($this->DL_regexp, $page, $DL)) html_error('Error: Download link not found.');
        $dllink = $DL[0];
        if (preg_match('/[\?&]dirPwdVerified=(\w+)/i', $this->link, $pwd)) $dllink .= '&dirPwdVerified='.$pwd[1];

        $FileName = urldecode(basename(parse_url($dllink, PHP_URL_PATH)));
        $this->RedirectDownload($dllink, $FileName, $this->cookie);
    }

    private function login() {
        global $premium_acc;
        $email = ($this->pA ? $_REQUEST['premium_user'] : $premium_acc['4shared_com']['user']);
        $pass = ($this->pA ? $_REQUEST['premium_pass'] : $premium_acc['4shared_com']['pass']);
        if (empty($email) || empty($pass)) html_error('Login Failed: EMail or Password is empty. Please check login data.');

        $postURL = 'http://www.4shared.com/web/login';
        $post['login'] = urlencode($email);
        $post['password'] = urlencode($pass);
        $post['remember'] = 'false';
        $post['doNotRedirect'] = 'true';
        $page = $this->GetPage($postURL, $this->cookie, $post, $postURL);

        is_present($page, 'Invalid e-mail address or password', 'Login Failed: Invalid Username/Email or Password.');
        if (stripos($page, '"ok":false') !== false) {
            if ($err=cut_str($page, '"rejectReason":"', '"')) html_error("Login Failed: 4S says: '$err'.");
            else html_error('Login Failed.');
        }
        $this->cookie = GetCookiesArr($page, $this->cookie, true, array('','deleted','""'));
        if (empty($this->cookie['Login'])) html_error('Login Error: Cannot find session cookie.');
        $this->cookie['WWW_JSESSIONID'] = $this->cookie['JSESSIONID'];

        $this->GetPage('http://www.4shared.com/web/user/language', $this->cookie, array('code' => 'en'), 0, 0, 1);

        // Chk Acc.
        $page = $this->GetPage('http://www.4shared.com/account/home.jsp', $this->cookie);
        if (substr($page, 9, 3) != '200') html_error('Login Error.');
        $this->cookie = GetCookiesArr($page, $this->cookie, true, array('','deleted','""'));

        $quota = cut_str($page, 'Premium Traffic:</div>', '</div>');
        $Mesg = lang(300);

        if (empty($quota) || !preg_match('@>([\d|\.]+)\s?(%|(?:\wB)) of ([\d|\.]+)\s?(\wB)@i', $quota, $qm)) {
            $Mesg .= "<br /><b>Account isn't premium?</b><br />Using it as member.";
            $this->changeMesg($Mesg);

            $this->page = $this->GetPage($this->link, $this->cookie);
            return $this->FreeDownload();
        }

        $used = floatval($qm[1]);
        $total = floatval($qm[3]);

        // I have to check the BW... I will show it too :)
        $Mesg .= "<br />4S Premium Download<br />Bandwidth: $used {$qm[2]} of $total {$qm[4]}.";
        $this->changeMesg($Mesg);
        if ($qm[2] != '%' && $total != 100) $used = ($used * 100)/$total;
        if ($used >= 95) {
            if ($this->noTrafficFreeDl) {
                $Mesg .= "<br /><b>Bandwidth limit trigered: $used% - Limit: 95%</b><br />Switching to FreeDL.";
                $this->changeMesg($Mesg);
                $this->page = $this->GetPage($this->link, $this->cookie);
                $this->cookie = GetCookiesArr($page, $this->cookie);
                return $this->FreeDownload();
            }
            html_error("Bandwidth limit trigered: Bandwidth: $used% - Limit: 95%");
        }

        return $this->PremiumDownload();
    }

    public function CheckBack($header) {
        is_present($header, 'cau2=dow-lim', '[4S] The download limit has been reached.');
        is_present($header, 'cau2=0759nousr', '[4S] You need to be logged in for download this file.');
    }
}

//[21-Nov-2010] Rewritten by Th3-822 & Using some code from the 2shared plugin.
//[26-Jan-2011] Fixed cookies for download pass-protected files. - Th3-822
//[02-Apr-2011] Fixed error when downloading pass-protected files & Added 1 Error Msg. - Th3-822
//[07-May-2011] Some edits to the plugin && Added Premium download support. - Th3-822
//[25-Jul-2011] Using a function for longer link timelock at free download ( I should add it to DownloadClass. :D ). -Th3-822
//[12-Sep-2011] Fixed regex for get BW usage in Premium && Password in files can be skiped with '?dirPwdVerified=xxxxxxxx' in the url. -Th3-822
//[15-Oct-2011] JSCountdown was added in DownloadClass.php... Removed declaration from plugin. - Th3-822
//[21-Nov-2011] Fixed regexp for get dlink in FreeDL. - Th3-822
//[23-Mar-2012] Added support for member (its needed for some links) & some changes & small fixes. - Th3-822
//[18-Apr-2012] Fixed login needed msg, direct download link regexp (freedl) && removed 2 error msgs from login function. - Th3-822
//[01-Aug-2012] Fixed for changes at 4S. - Th3-822
//[20-Feb-2014] Fixed Login/FreeDL. - Th3-822
//[10-Sep-2016] Fixed FreeDL of Direct-Link Files. - Th3-822

?>