function ldap_auth()
{
    $ldap_server = 'ldap://127.0.0.1/';
    $ldap_domain = 'dc=rugion,dc=ru';
    //$ldap_userbase = 'ou=users,ou=chelyabinsk,' . $ldap_domain;
    //$ldap_user = 'uid=' . $_SERVER['PHP_AUTH_USER'] . ',' . $ldap_userbase;
    $ldap_user = ' ';
    $ldap_pass = $_SERVER['PHP_AUTH_PW'];
    $ldapconn_s = ldap_connect($ldap_server) or die("Could not connect to LDAP server.");
    ldap_set_option($ldapconn_s, LDAP_OPT_PROTOCOL_VERSION, 3);
    if ($ldapconn_s) {
        $ldapbind_s = @ldap_bind($ldapconn_s);
        $result = ldap_search($ldapconn_s, $ldap_domain, "(&(uid=" . $_SERVER['PHP_AUTH_USER'] . ")(objectClass=sambaSamAccount)(!(sambaAcctFlags=[DU ])))");
        $info = ldap_get_entries($ldapconn_s, $result);
        $ldap_user = $info[0]["dn"];
    }
    ldap_close($ldapconn_s);
    // connect to ldap server
    $ldapconn = ldap_connect($ldap_server) or die("Could not connect to LDAP server.");
    ldap_set_option($ldapconn, LDAP_OPT_PROTOCOL_VERSION, 3);
    if ($ldapconn) {
        // try to bind/authenticate against ldap
        $ldapbind = @ldap_bind($ldapconn, $ldap_user, $ldap_pass) || forbidden();
        // "LDAP bind successful...";
        error_log("success: " . $_SERVER['REMOTE_ADDR'] . ', user: ' . $_SERVER['PHP_AUTH_USER']);
    }
    ldap_close($ldapconn);
}

        if (!(resource_access($visible, $public) or isset($status) and $status == USER_TEACHER)) {
            not_found($downloadDir);
        }
    }
    // Allow unlimited time for creating the archive
    set_time_limit(0);
    if ($format == '.dir') {
        $real_filename = $real_filename . '.zip';
        $dload_filename = $webDir . '/courses/temp/' . safe_filename('zip');
        zip_documents_directory($dload_filename, $downloadDir, $can_upload);
        $delete = true;
    } elseif ($extra_path) {
        if ($real_path = common_doc_path($extra_path, true)) {
            // Common document
            if (!$common_doc_visible) {
                forbidden($downloadDir);
            }
            $dload_filename = $real_path;
            $delete = false;
        } else {
            // External document - redirect to URL
            redirect($extra_path);
        }
    } else {
        $dload_filename = $basedir . $downloadDir;
        $delete = false;
    }
    send_file_to_client($dload_filename, $real_filename, null, true, $delete);
    exit;
}
if ($can_upload) {

<?php

// +-------------------------------------------------+
// © 2002-2004 PMB Services / www.sigb.net [email protected] et contributeurs (voir www.sigb.net)
// +-------------------------------------------------+
// $Id: global_vars.inc.php,v 1.9 2008-09-23 22:16:29 dbellamy Exp $
// fichier de configuration générale
// prevents direct script access
pt_register("SERVER", "REQUEST_URI");
if (preg_match('/global_vars\\.inc\\.php/', $REQUEST_URI)) {
    require_once './forbidden.inc.php';
    forbidden();
}
/* VERSION SUPER GLOBALS */
/* on commence par tout unset... */
//$arr = array_merge(&$_ENV, &$_GET, &$_POST, &$_COOKIE,  &$_FILES, &$_REQUEST, &$_SERVER);
//while(list($__key__PMB) = each($arr)) unset(${$__key__PMB});
//$arr = array_merge(&$HTTP_GET_VARS, &$HTTP_POST_VARS,&$HTTP_POST_FILES,&$HTTP_COOKIE_VARS, &$HTTP_SERVER_VARS, &$HTTP_ENV_VARS );
//while(list($__key__PMB) = each($arr)) unset(${$__key__PMB});
function add_sl(&$var)
{
    if (is_array($var)) {
        reset($var);
        while (list($k, $v) = each($var)) {
            add_sl($var[$k]);
        }
    } else {
        $var = addslashes($var);
    }
}
/* on récupère tout sans se poser de question, attention à la sécurité ! */

$db = preg_replace('/[^a-z0-9]/i', '', $db);
try {
    $tt = @Tyrant::connect("/tmp/{$db}.sock", 0);
} catch (Tyrant_Exception $e) {
    include "../lib/spyc.php";
    if (!file_exists("../{$db}.yaml")) {
        forbidden('genome does not exist');
    }
    $genome_config = Spyc::YAMLLoad("../{$db}.yaml");
    try {
        if (!is_array($genome_config['output_tch'])) {
            throw new Exception("ttserver should be local");
        }
        $tt = @Tyrant::connect($genome_config['output_tch'][0], $genome_config['output_tch'][1]);
    } catch (Exception $e) {
        forbidden('Could not connect to ttserver');
    }
}
header('Content-Type: ' . (substr($f, -4) == ".png" ? 'image/png' : 'application/json'));
$value = $tt[$f];
if ($value === null) {
    header('HTTP/1.1 404 Not Found');
} else {
    header('Expires: ' . gmdate("D, d M Y H:i:s", time() + 60 * 60 * 3) . " GMT");
    header('Cache-Control: public, max-age=10800');
    if ($value == '-') {
        echo $tt['.null'];
    } else {
        echo $value;
    }
}

require_once 'modules/auth/auth.inc.php';
require_once 'include/lib/hierarchy.class.php';
require_once 'include/lib/user.class.php';
require_once 'modules/admin/custom_profile_fields_functions.php';

$tree = new Hierarchy();
$user = new User();

$toolName = $langMyProfile;

$userdata = array();

if (isset($_GET['id']) and isset($_GET['token'])) {
    $id = intval($_GET['id']);
    if (!token_validate($id, $_GET['token'], 3600)) {
        forbidden($_SERVER['REQUEST_URI']);
    }
    $pageName = $langUserProfile;
} else {
    $id = $uid;
}

$userdata = Database::get()->querySingle("SELECT surname, givenname, username, email, status, phone, am, registered_at,
                                            has_icon, description, password,
                                            email_public, phone_public, am_public
                                        FROM user
                                        WHERE id = ?d", $id);

if ($userdata) {
    $auth = array_search($userdata->password, $auth_ids);
    if (!$auth) {

function receive_body($ch, $body_data)
{
    global $header, $header_parsed, $is_track, $body_buffer;
    $len = strlen($body_data);
    $content_type = NULL;
    $header_lines = preg_split('/[\\r\\n]+/', $header);
    foreach ($header_lines as $index => $line) {
        if (preg_match('/^\\s*Content-Type\\s*:\\s*(.*)/i', $line, $matches)) {
            $content_type = $matches[1];
        }
    }
    if ($content_type !== NULL && strpos($content_type, 'text/plain') === FALSE) {
        if (!headers_sent()) {
            forbidden();
        }
        return $len;
    }
    if (!headers_sent()) {
        header('Content-Type: ' . $content_type);
    }
    if ($is_track === NULL) {
        $body_buffer .= $body_data;
        $is_track = is_track($body_buffer);
        if ($is_track) {
            echo $body_buffer;
            flush();
        }
    } elseif ($is_track === TRUE) {
        echo $body_data;
        flush();
    } elseif ($is_track === FALSE) {
        if (!headers_sent()) {
            forbidden();
        }
        return $len;
    }
    return $len;
}

function requirelogin()
{
    if (loggedin()) {
        return;
    }
    if (isset($_REQUEST["async"])) {
        forbidden();
    }
    $_SESSION["nextpage"] = $_SERVER["REQUEST_URI"];
    include "content/login.php";
    exit;
}

        include "{$file_reg}";
        echo $language['back_topindex'];
    } elseif ($id == "profile") {
        echo $language['title_profile'];
        include "{$file_check_auth}";
        include "{$file_profile}";
    } else {
        if ($forum_ext != "") {
            if ($forums['rights'][$forum_id] <= $user_rights) {
                if ($vars['log_index'] == "true") {
                    include "{$file_write_log}";
                }
                echo "<center><b>" . $forums['title'][$forum_id] . "</b></center>";
                include "{$file_showall}";
            } else {
                forbidden($forums['rights'][$forum_id]);
            }
        } else {
            echo $language['version_1.7'][1];
            include "{$file_all_forums}";
        }
    }
} else {
    echo "{$text_error}";
}
echo "<hr class=tbl1><center>";
include "{$file_buttons}";
echo "</center><hr class=tbl1>";
if ($vars['show_statistic'] == "true") {
    include "{$file_statistic}";
}

 private function keys()
 {
     $pattern = isAke($this->args, 'pattern');
     if (!strlen($pattern)) {
         forbidden('no pattern');
     }
     $keys = glob($this->dir . $pattern);
     $collection = array();
     if (!empty($keys)) {
         foreach ($keys as $key) {
             $key = str_replace($this->dir, '', $key);
             array_push($collection, $key);
         }
     }
     success($collection);
 }

function rss_check_access()
{
    global $course_code, $course_id, $course_status, $module_id;
    if (isset($_GET['c'])) {
        $course_code = $_GET['c'];
        $course_id = course_code_to_id($course_code);
        $course_status = course_status($course_id);
    } else {
        $course_code = '';
        $course_id = false;
    }
    if ($course_id === false) {
        header("HTTP/1.0 404 Not Found");
        echo '<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN"><html><head>', '<title>404 Not Found</title></head><body>', '<h1>Not Found</h1><p>The requested course "', htmlspecialchars($course_code), '" does not exist.</p></body></html>';
        exit;
    }
    if ($course_status == COURSE_INACTIVE or !visible_module($module_id) or $course_status != COURSE_OPEN and !(isset($_GET['token']) and isset($_GET['uid']) and rss_token_valid($_GET['token'], $_GET['uid']))) {
        forbidden($_SERVER['REQUEST_URI']);
    }
}

print '    <script src="/js/init.js"></script>' . "\n";
print '    <script src="/js/main.js"></script>' . "\n";
// Plotting tools
print '    <script src="/jsplots/plotly-latest.min.js"></script>' . "\n";
print '    <script src="/jsplots/initPlots.js"></script>' . "\n";
print '    <script src="/jsplots/plots.js"></script>' . "\n";
print '    <noscript>' . "\n";
print '      <link rel="stylesheet" href="/css/skel-noscript.css" />' . "\n";
print '      <link rel="stylesheet" href="/css/style.css" />' . "\n";
print '      <link rel="stylesheet" href="/css/style-wide.css" />' . "\n";
print '    </noscript>' . "\n";
print '    <check if="isset({{@css_bundle}})"><link href="{{@css_bundle}}" rel="stylesheet" media="screen"></check>' . "\n";
print '  </head>' . "\n";
print '  <body>' . "\n";
// Check access rights - basics
if (forbidden()) {
    exitAccessError();
}
print '    <div id="header" class="skel-panels-fixed">' . "\n";
print '      <div class="top">' . "\n";
print '        <div id="logo" >' . "\n";
print '	         <span class="image tapas"><img class="rounded" src="/img/tapas.jpg" alt="" /></span>' . "\n";
print '          <h1 id="title"><a href="/">TAPAS</a></h1>' . "\n";
print '	         <hr>' . "\n";
print '          <span class="byline">Teaching Assistants</span>' . "\n";
print '          <span class="byline">Physics department</span>' . "\n";
print '          <span class="byline">Assignment System</span>' . "\n";
print '          <span class="byline">MIT</span>' . "\n";
print '	         <hr>' . "\n";
print '        </div>' . "\n";
print '        <nav id="nav">' . "\n";

        error($langNoRead);
    }
}
$file_info = public_path_to_disk_path($path_components);
if (!$is_editor and !resource_access($file_info->visible, $file_info->public)) {
    error($langNoRead);
}
if ($file_info->extra_path) {
    // $disk_path is set if common file link
    $disk_path = common_doc_path($file_info->extra_path, true);
    if (!$disk_path) {
        // external file URL
        header("Location: {$file_info->extra_path}");
        exit;
    } elseif (!$common_doc_visible) {
        forbidden(preg_replace('/^.*file\\.php/', '', $uri));
    }
} else {
    // Normal file
    $disk_path = $basedir . $file_info->path;
}
if (file_exists($disk_path)) {
    if (!$is_in_playmode) {
        $valid = $uid || course_status($course_id) == COURSE_OPEN ? true : token_validate($file_info->path, $_GET['token'], 30);
        if (!$valid) {
            not_found(preg_replace('/^.*file\\.php/', '', $uri));
            exit;
        }
        send_file_to_client($disk_path, $file_info->filename);
    } else {
        require_once 'include/lib/fileDisplayLib.inc.php';

}
$db = urlencode(isset($_GET['db']) ? preg_replace('/[^a-z0-9]/i', '', $_GET['db']) : 'hg18');
// This UCSC CGI expects 0-based coordinates
$left = max(intval($_GET['left']) - 1, 0);
$right = max(intval($_GET['right']) - 1, 0);
if (!file_exists("../{$db}.yaml")) {
    forbidden('genome does not exist');
}
$genome_config = Spyc::YAMLLoad("../{$db}.yaml");
$ucsc_config = Spyc::YAMLLoad("../ucsc.yaml");
if (!$genome_config['bppp_limits']['nts_below']) {
    forbidden('no nt segments available for this genome');
}
$max_length = $genome_config['max_nt_request'];
if ($right - $left <= 0 || $right - $left > $max_length) {
    forbidden('invalid segment length');
}
$chr_order = $genome_config['chr_order'];
$chr_lengths = $genome_config['chr_lengths'];
$dna_url = $ucsc_config['browser_hosts']['local'] . $ucsc_config['browser_urls']['dna'];
$pos = 0;
$queries = array();
foreach ($chr_order as $chr) {
    $len = $chr_lengths[$chr];
    $next_pos = $pos + $len;
    if ($left < $next_pos && $right > $pos) {
        array_push($queries, array($db, $chr, max($left - $pos, 0), min($right - $pos, $len)));
    }
    $pos = $next_pos;
}
$pad_end = max($right - $pos, 0);

        $response->getBody()->write(json_encode(array("code" => 200, "message" => "OK")));
        return $response;
    } catch (PDOException $e) {
        return handleError($e, $response);
    }
});
$app->post('/api/bids/place', function (Request $request, Response $response) {
    if (!array_key_exists('cst_session_id', $request->getCookieParams())) {
        logger($this)->addWarning('No contractor session id', getPath($request));
        return forbidden($response);
    }
    $customerSessionId = $request->getCookieParams()["cst_session_id"];
    $customer = getCustomer($customerSessionId);
    if (!isset($customer)) {
        logger($this)->addWarning('No contractor found by session id', array('cst_session_id' => $customerSessionId, 'uri' => $request->getUri()->getPath()));
        return forbidden($response);
    }
    $bid = json_decode($request->getBody());
    list($product, $amount, $price) = parseBid($bid);
    if (!isset($product)) {
        logger($this)->addWarning('Wrong bid', getPath($request));
        return badRequest($response);
    }
    $customerId = $customer['id'];
    if ($price > $customer['amount']) {
        logger($this)->addWarning("Customer doesn't have enough funds to place the bid with price", array('customer_id' => $customerId, 'price' => $price));
        return conflict($response);
    }
    try {
        $bidId = insertBid($product, $amount, $price, $customerId);
        $response->getBody()->write("api/bids/{$bidId}");

        /**
         * Clone an Exercise
         */
        function duplicate() {
            global $langCopy2, $course_id;

            $clone_course_id = $_POST['clone_to_course_id'];
            if (!check_editor(null, $clone_course_id)) {
                forbidden();
            }
            $id = $this->id;
            $exercise = $this->exercise.(($clone_course_id == $course_id)? " ($langCopy2)" : '');
            $description = standard_text_escape($this->description);
            $type = $this->type;
            $startDate = $this->startDate;
            $endDate = $this->endDate;
            $tempSave = $this->tempSave;
            $timeConstraint = $this->timeConstraint;
            $attemptsAllowed = $this->attemptsAllowed;
            $random = $this->random;
            $active = $this->active;
            $public = $this->public;
            $results = $this->results;
            $score = $this->score;
            $ip_lock = $this->ip_lock;
            $password_lock = $this->password_lock;
            $assign_to_specific = $this->assign_to_specific;
            $clone_id = Database::get()->query("INSERT INTO `exercise` (course_id, title, description, type, start_date, 
                                    end_date, temp_save, time_constraint, attempts_allowed, random, active, results, score, ip_lock, password_lock, assign_to_specific) 
                                    VALUES (?d, ?s, ?s, ?d, ?t, ?t, ?d, ?d, ?d, ?d, ?d, ?d, ?d, ?s, ?s, ?d)", 
                                    $clone_course_id, $exercise, $description, $type, $startDate, $endDate, $tempSave, 
                                    $timeConstraint, $attemptsAllowed, $random, $active, $results, $score, $ip_lock, $password_lock, $assign_to_specific)->lastInsertID;
            if ($assign_to_specific) {
                Database::get()->query("INSERT INTO `exercise_to_specific` (user_id, group_id, exercise_id) 
                                        SELECT user_id, group_id, ?d FROM `exercise_to_specific`
                                        WHERE exercise_id = ?d", $clone_id, $id)->lastInsertID;                
            }
            if ($clone_course_id != $course_id) {
                // copy questions and answers to new course question pool
                Database::get()->queryFunc("SELECT question_id AS id FROM exercise_with_questions
                        WHERE exercise_id = ?d",
                    function ($question) use ($clone_id, $clone_course_id) {
                        $question_clone_id = Database::get()->query("INSERT INTO exercise_question
                            (course_id, question, description, weight, q_position, type, difficulty, category)
                            SELECT ?d, question, description, weight, q_position, type, difficulty, 0
                                FROM `exercise_question` WHERE id = ?d", $clone_course_id, $question->id)->lastInsertID;
                        Database::get()->query("INSERT INTO exercise_with_questions
                            (question_id, exercise_id) VALUES (?d, ?d)", $question_clone_id, $clone_id);
                        Database::get()->query("INSERT INTO exercise_answer
                            (question_id, answer, correct, comment, weight, r_position)
                            SELECT ?d, answer, correct, comment, weight, r_position FROM exercise_answer
                                WHERE question_id = ?d",
                            $question_clone_id, $question->id);
                    },
                    $id);
            } else {
                // add question to new exercise
                Database::get()->query("INSERT INTO `exercise_with_questions`
                        (question_id, exercise_id)
                        SELECT question_id, ?d FROM `exercise_with_questions`
                            WHERE exercise_id = ?d", $clone_id, $id);
            }
        }

//echo("$user_rights==".$themes_data[$i]['rights']);
if ($user_rights < $themes_data[$i]['rights']) {
    forbidden($themes_data[$i]['rights']);
    $error = true;
}
if ($error == false) {
    if ($themes_data[$i]['names'] != "") {
        $names = explode(",", $themes_data[$i]['names']);
        $ok = false;
        for ($s = 0; $s < count($names); $s++) {
            if ($names[$s] == $CURRENT_USER["id"]) {
                $ok = true;
            }
        }
        if ($ok == false && $user_rights < $themes_data[$i]['namesrights']) {
            forbidden($themes_data[$i]['namesrights']);
            $error = true;
        }
    }
}
if ($error == false) {
    $viewed = false;
    $ipss = array();
    $ipss = explode($smb, $themes_data[$i]['ips']);
    $ip = get_ip_address();
    for ($f = 0; $f < count($ipss); $f++) {
        if ($ip == $ipss[$f]) {
            $viewed = true;
        }
    }
    if ($viewed == false) {