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<?php
# $Id: status.php 2240 2017-05-20 21:46:11Z tom.houdayer $
#
# status.php for ALCASAR captive portal
# by steweb57 & Rexy
# 
/****************************************************************
*                       GLOBAL FILE PATHS                       *
*****************************************************************/
define('CONF_FILE', '/usr/local/etc/alcasar.conf');

/****************************************************************
*                       FILE reading test                       *
*****************************************************************/
$conf_files = array(CONF_FILE);
foreach ($conf_files as $file) {
        if (!file_exists($file)) {
                exit("Fichier $file non présent");
        }
        if (!is_readable($file)) {
                exit("Vous n'avez pas les droits de lecture sur le fichier $file");
        }
}

/****************************************************************
*                       Read CONF_FILE                          *
*****************************************************************/
$file_conf = fopen(CONF_FILE, 'r');
if (!$file_conf) {
        exit('Error opening the file '.CONF_FILE);
}
while (!feof($file_conf)) {
        $buffer = fgets($file_conf, 4096);
        if ((strpos($buffer, '=') !== false) && (substr($buffer, 0, 1) !== '#')) {
                $tmp = explode('=', $buffer);
                $conf[$tmp[0]] = trim($tmp[1]);
        }
}
fclose($file_conf);

$organisme = $conf['ORGANISM'];
$remote_ip = preg_match('#^([0-9]{1,3}\.){3}[0-9]{1,3}$#', $_SERVER['REMOTE_ADDR']) ? $_SERVER['REMOTE_ADDR'] : '';
$cn = '';
$connection_history = '';
$nb_connection_history = 3;

// Wait for chilli (update its tables)
sleep(1); // TODO: wait after login only?
// Retrieve user info in tab $user[]
exec("sudo /usr/sbin/chilli_query list | grep 'pass' | grep -Ew '($remote_ip)'" , $tab);
if (isset($tab[0])) {
        $user = explode(' ', $tab[0]);
}

// Time conversion 
function secondsToDuration($seconds = null) {
        if ($seconds === null) return '';
        $temp = $seconds % 3600;
        $time[2] = $temp % 60 ;                 // seconds
        $time[1] = ($temp - $time[2]) / 60;     // minutes
        $time[0] = ($seconds - $temp) / 3600 ;  // hours
        return $time[0].' h '.$time[1].' m '.$time[2].' s';
}

# Choice of language
// TODO: reste quelques traductions à faire
$Language = 'en';
if (isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])) {
        $Langue = explode(',', $_SERVER['HTTP_ACCEPT_LANGUAGE']);
        $Language = strtolower(substr(chop($Langue[0]), 0, 2));
}
if ($Language === 'es') {               // Spanish
        $l_login1                       = "El éxito de la autenticación";
        $l_logout                       = "Conexión de cierre";
        $l_logout_question              = "¿Seguro que desea desconectar?";
        $l_loggedout                    = "Su sesión se cierra";
        $l_wait                         = "Por favor, espere un momento ...";
        $l_state_label                  = "Estado";
        $l_session_id_label             = "Sesión ID";
        $l_max_session_time_label       = "Tiempo máximo de sesión";
        $l_max_idle_time_label          = "Tiempo de inactividad autorizado";
        $l_start_time_label             = "Start Time"; // to translate
        $l_session_time_label           = "Tiempo de conexión";
        $l_idle_time_label              = "Idle Time";  // to translate
        $l_downloaded_label             = "Downloaded"; // to translate
        $l_uploaded_label               = "Uploaded";   // to translate
        $l_original_url_label           = "Original URL";       // to translate
        $l_not_available                = "Not available";      // to translate
        $l_error                        = "error";              // to translate
        $l_welcome                      = "Welcome";    // to translate
        $l_conn_history                 = "Your last $nb_connection_history connections";       // to translate
        $l_connected                    = "logged"; // to translate
        $l_a_connection                 = "You have"; // to translate
        $l_a_connection_time            = "active connections on the network"; // to translate
        $l_close_warning                = "Advertencia: se desconectará si cierra esta ventana";
} else if ($Language === 'zh') {        // Chinese
        $l_login1                       = "验证通过";
        $l_logout                       = "关闭连接";
        $l_logout_question              = "您确定需要断开连接吗?";
        $l_loggedout                    = "您已登出";
        $l_wait                         = "请等待 ...";
        $l_state_label                  = "连接状态";
        $l_session_id_label             = "连接ID";
        $l_max_session_time_label       = "最大连接时间";
        $l_max_idle_time_label          = "最大闲置时间";
        $l_start_time_label             = "起始连接时间";
        $l_session_time_label           = "连接时间";
        $l_idle_time_label              = "闲置时间";
        $l_downloaded_label             = "数据下载";
        $l_uploaded_label               = "数据上传";
        $l_original_url_label           = "初始网址";
        $l_not_available                = "不可用";
        $l_error                        = "出错";
        $l_welcome                      = "欢迎";
        $l_conn_history                 = "您最近的{$nb_connection_history}次连接";
        $l_connected                    = "已登录";  
        $l_a_connection                 = "您已经有";
        $l_a_connection_time            = "在线时间";
        $l_close_warning                = "警告: 您将会断开连接如果您在关闭此窗口";
} else if ($Language === 'ar') {        // Arabic
        $l_login1                       = "نجاح المصادقة";
        $l_logout                       = "إغلاق الدورة";
        $l_logout_question              = "هل تريد فعلاً قطع الاتصال؟";
        $l_loggedout                    = "دورتكَ مُغلَقة";
        $l_wait                         = "...إنتظر بعض اللحظات";
        $l_state_label                  = "وَضْع";
        $l_session_id_label             = "معرف الدورة";
        $l_max_session_time_label       = "الوقت المسموح للإتصال";
        $l_max_idle_time_label          = "الحد الأقصى لعدم التنشيط";
        $l_start_time_label             = "بداية الإتصال";
        $l_session_time_label           = "مدة الإتصال";
        $l_idle_time_label              = "انعدام التنشيط";
        $l_downloaded_label             = "تم تحميل المعطيات";
        $l_uploaded_label               = "تم إرسال المعطيات";
        $l_original_url_label           = "تم طلب URL";
        $l_not_available                = "غير متوفّر";
        $l_na                           = "N/D";
        $l_error                        = "خطأ";
        $l_welcome                      = "مرحباً بك";
        $l_conn_history                 = "($nb_connection_history) سِجِل اتصالاتك الاخيرة";
        $l_connected                    = "دورة ناشطة";  
        $l_a_connection                 = "لديك";
        $l_a_connection_time            = "اتصالات ناشطة على الشبكة";
        $l_close_warning                = "تحذير: سيتم قطع الاتصال إذا قمت بإغلاق هذه النافذة";
} else if ($Language === 'pt') {        // Portuguese
        $l_login1                       = "Autenticação bem sucedida.";
        $l_logout                       = "Fechando a conexão";
        $l_logout_question              = "Tem certeza de que deseja desconectar agora?";
        $l_loggedout                    = "Sua conexão será fechada";
        $l_wait                         = "Por favor, aguarde um momento ...";
        $l_state_label                  = "Estado da conexão";
        $l_session_id_label             = "Sessão ID";
        $l_max_session_time_label       = "Restante em horas da conexão";
        $l_max_idle_time_label          = "Restante máximo liberado por dia";
        $l_start_time_label             = "Dia, mês, ano e hora da conexão";
        $l_session_time_label           = "Duração da conexão";
        $l_idle_time_label              = "Tempo de Espera";
        $l_downloaded_label             = "Recebidos";
        $l_uploaded_label               = "Enviados";
        $l_original_url_label           = "URL Original";
        $l_not_available                = "Não disponível";
        $l_error                        = "Erro";
        $l_welcome                      = "Bem-vindo(a)";
        $l_conn_history                 = "Suas últimos conexões : $nb_connection_history";
        $l_connected                    = "Conectado"; 
        $l_a_connection                 = "Conexão ativa já detectada para essa LAN";
        $l_a_connection_time            = "Tempo (s)";
        $l_close_warning                = "Aviso: você será desconectado se fechar esta janela";
} else if ($Language === 'de') {        // German
        $l_login1                       = "Erfolgreiche Authentifizierung";
        $l_logout                       = "Beenden der Verbindung";
        $l_logout_question              = "Möchten Sie die Verbindung jetzt wirklich trennen?";
        $l_loggedout                    = "Ihre Sitzung ist geschlossen";
        $l_wait                         = "Bitte warten Sie einen Moment ...";
        $l_state_label                  = "State";              // to translate
        $l_session_id_label             = "Session ID"; // to translate
        $l_max_session_time_label       = "Max Session Time";   // to translate
        $l_max_idle_time_label          = "Max Idle Time";              // to translate
        $l_start_time_label             = "Start Time"; // to translate
        $l_session_time_label           = "Online-zeit";
        $l_idle_time_label              = "Idle Time";  // to translate
        $l_downloaded_label             = "Downloaded"; // to translate
        $l_uploaded_label               = "Uploaded";   // to translate
        $l_original_url_label           = "Original URL";       // to translate
        $l_not_available                = "Not available";      // to translate
        $l_error                        = "error";              // to translate
        $l_welcome                      = "Welcome";    // to translate
        $l_conn_history                 = "Your last $nb_connection_history connections";       // to translate
        $l_connected                    = "logged"; // to translate 
        $l_a_connection                 = "You have"; // to translate
        $l_a_connection_time            = "active connections on the network"; // to translate
        $l_close_warning                = "Warnung: Sie werden getrennt, wenn Sie dieses Fenster schließen";
} else if ($Language === 'nl') {        // Dutch
        $l_login1                       = "Succesvolle authenticatie";
        $l_logout                       = "Slotkoers verbinding";
        $l_logout_question              = "Bent u zeker dat u wilt nu los te koppelen?";
        $l_loggedout                    = "Uw sessie is gesloten";
        $l_wait                         = "Wacht een moment ...";
        $l_state_label                  = "State";              // to translate
        $l_session_id_label             = "Session ID"; // to translate
        $l_max_session_time_label       = "Max Session Time";   // to translate
        $l_max_idle_time_label          = "Max Idle Time";              // to translate
        $l_start_time_label             = "Start Time"; // to translate
        $l_session_time_label           = "Online tijd";
        $l_idle_time_label              = "Idle Time";  // to translate
        $l_downloaded_label             = "Downloaded"; // to translate
        $l_uploaded_label               = "Uploaded";   // to translate
        $l_original_url_label           = "Original URL";       // to translate
        $l_not_available                = "Not available";      // to translate
        $l_error                        = "error";              // to translate
        $l_welcome                      = "Welcome";    // to translate
        $l_conn_history                 = "Your last $nb_connection_history connections";       // to translate
        $l_connected                    = "logged"; // to translate 
        $l_a_connection                 = "You have"; // to translate
        $l_a_connection_time            = "active connections on the network"; // to translate
        $l_close_warning                = "Waarschuwing: u zal worden afgebroken als u dit venster sluiten";
} else if ($Language === 'fr') {        // French
        $l_login1                       = "Authentification réussie";
        $l_logout                       = "Fermeture de la session";
        $l_logout_question              = "Êtes vous sûr de vouloir vous déconnecter?";
        $l_loggedout                    = "Votre session est fermée";
        $l_wait                         = "Patientez un instant ....";
        $l_state_label                  = "État";
        $l_session_id_label             = "Session ID";
        $l_max_session_time_label       = "Temps de connexion autorisé";
        $l_max_idle_time_label          = "Temps d'inactivité autorisé";
        $l_start_time_label             = "Début de connexion";
        $l_session_time_label           = "Durée de connexion";
        $l_idle_time_label              = "Inactivité";
        $l_downloaded_label             = "Données téléchargées";
        $l_uploaded_label               = "Données envoyées";
        $l_original_url_label           = "URL demandée";
        $l_not_available                = "Non disponible";
        $l_error                        = "erreur";
        $l_welcome                      = "Bienvenue";
        $l_conn_history                 = "Vos $nb_connection_history dernières connexions";
        $l_connected                    = "session active";  
        $l_a_connection                 = "Vous avez";
        $l_a_connection_time            = "connexions actives sur le réseau";
        $l_close_warning                = "Attention : vous serez déconnecté si vous fermez cette fenêtre";
} else {                                // English
        $l_login1                       = "Successful authentication.";
        $l_logout                       = "Closing connection";
        $l_logout_question              = "Are you sure you want to disconnect now?";
        $l_loggedout                    = "Your session is closed";
        $l_wait                         = "Please wait a moment ...";
        $l_state_label                  = "State";
        $l_session_id_label             = "Session ID";
        $l_max_session_time_label       = "Max Session Time";
        $l_max_idle_time_label          = "Max Idle Time";
        $l_start_time_label             = "Start Time";
        $l_session_time_label           = "Session Time";
        $l_idle_time_label              = "Idle Time";
        $l_downloaded_label             = "Downloaded";
        $l_uploaded_label               = "Uploaded";
        $l_original_url_label           = "Original URL";
        $l_not_available                = "Not available";
        $l_error                        = "error";
        $l_welcome                      = "Welcome";
        $l_conn_history                 = "Your last $nb_connection_history connections";
        $l_connected                    = "logged"; 
        $l_a_connection                 = "You have";
        $l_a_connection_time            = "active connections on the network";
        $l_close_warning                = "Warning: you will be disconnected if you close this window";
}

if (isset($user[5])) {
        if ((is_file('acc/manager/lib/sql/drivers/mysql/functions.php')) && (is_file('/etc/freeradius-web/config.php'))) {
                require_once('/etc/freeradius-web/config.php');
                require_once('acc/manager/lib/sql/drivers/mysql/functions.php');
                $link = @da_sql_pconnect($config);
                if ($link) {
                        // Retrieve the last connections
                        $sql = "SELECT UserName, AcctStartTime, AcctStopTime, acctsessiontime FROM radacct WHERE UserName='$user[5]' ORDER BY AcctStartTime DESC LIMIT 0, $nb_connection_history";
                        $res = @da_sql_query($link, $config, $sql);
                        if ($res) {
                                $a_connection = '';
                                $a_connected = 0;
                                $connection_history = '<ul>';
                                while (($row = @da_sql_fetch_array($res,$config))) {
                                        $start_conn = date_create($row['acctstarttime']);
                                        if (empty($row['acctstoptime'])) {
                                                $connected = $l_connected;
                                                $a_connected++;
                                        } else {
                                                $connected = secondsToDuration($row['acctsessiontime']);
                                        }
                                        $connection_history .= '<li>'.date_format($start_conn, 'd M Y - H:i:s')." - ($connected)</li>";
                                }
                                $connection_history .= '</ul>';
                                if ($a_connected > 1) {
                                        $a_connection = $l_a_connection.' '.$a_connected.' '.$l_a_connection_time;
                                }
                        }

                        // Retrieve first name & last name
                        $sql = "SELECT Name FROM userinfo WHERE UserName='$user[5]'";
                        $res = @da_sql_query($link, $config, $sql);
                        if ($res) {
                                $row = @da_sql_fetch_array($res,$config);
                                $cn = (!empty($row['name'])) ? $row['name'] : $user[5];
                        }
                }

                // Store the user @IP in a file (to test if he is still active).
                $filename = '/var/tmp/havp/current_users.txt';
                if (file_exists($filename)) {
                        $current_users_file = fopen($filename, 'r');
                        $content = file($filename);
                        fclose($current_users_file);
                        if (empty($content)) {
                                file_put_contents($filename, $_SERVER['REMOTE_ADDR']);
                        } else {
                                $change_me = 1; // avoid duplicate user @IP
                                // if we found duplicate IP, we will not write user @IP (just set change_me = 0)
                                foreach ($content as $line) {
                                        $line = preg_replace('/\s+/', '', $line);
                                        if ($line === $_SERVER['REMOTE_ADDR']) {
                                                $change_me = 0;
                                        }
                                }
                                // if user @IP does not exist, we write it
                                if ($change_me) {
                                        file_put_contents($filename, $_SERVER['REMOTE_ADDR'].PHP_EOL, FILE_APPEND);
                                }
                        }
                } else {
                        // we create filename and we write user @IP.
                        file_put_contents($filename, $_SERVER['REMOTE_ADDR'].PHP_EOL);
                }
        }
}

// Cleaning the cache
header('Expires: Tue, 01 Jan 2000 00:00:00 GMT');
header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
header('Cache-Control: no-store, no-cache, must-revalidate, max-age=0');
header('Cache-Control: post-check=0, pre-check=0', false);
header('Pragma: no-cache');
?>
<!DOCTYPE html>
<html>
        <head>
                <meta charset="UTF-8">
                <title>ALCASAR - <?= $organisme ?></title>
                <link type="text/css" href="css/status.css" rel="stylesheet">
                <script src="js/ChilliLibrary.js"></script>
                <script src="js/statusControler.js"></script>
        </head>
        <body>
                <div id="Chilli">
                        <div id="locationName"></div>
                        <div id="chilliPage">
                                <div id="loggedOutPage" class="c1">
                                        <table id="disconnectTable">
                                                <tr>
                                                        <td><img height="150" src="images/logo-alcasar.png" alt="logo"></td>
                                                        <td><p class="text_auth"><?= $l_loggedout ?></p></td>
                                                </tr>
                                        </table>
                                </div>
                                <div id="statusPage" class="c1">
                                        <table border="0" id="statusTable">
                                                <tr>
                                                        <td colspan="2">
                                                                <table border="0" cellpadding="0" cellspacing="0" width="100%">
                                                                        <tr>
                                                                                <td valign="top" rowspan="4">
                                                                                        <img height="150" src="images/logo-alcasar.png" alt="logo">
                                                                                </td>
                                                                                <td class="text_auth_welcom">
                                                                                        <?= $l_login1 ?>
                                                                                </td>
                                                                        </tr>
                                                                        <tr>
                                                                                <td class="text_auth">
                                                                                        <?= $l_welcome ?><br><?= $cn ?>
                                                                                </td>
                                                                        </tr>
                                                                        <tr>
                                                                                <td class="alert">
                                                                                        <?= ((isset($a_connection)) ? $a_connection : '') ?>
                                                                                </td>
                                                                        </tr>
                                                                        <tr>
                                                                                <td colspan="2" align="center" class="link_logout">
                                                                                        <a href="#" onclick="return logoutWithConfirmation('<?= $l_logout_question ?>');" class="lien_deco"><?= $l_logout ?></a>
                                                                                </td>
                                                                        </tr>
                                                                </table>
                                                        </td>
                                                </tr>
<!-- 
                                                <tr id="connectRow">
                                                        <td id="statusMessageLabel" class="chilliLabel"><strong><?= $l_state_label ?></strong></td>
                                                        <td id="statusMessage" class="chilliValue">Connected</td>
                                                </tr>
                                                <tr id="sessionIdRow">
                                                        <td id="sessionIdLabel" class="chilliLabel"><strong><?= $l_session_id_label ?></strong></td>
                                                        <td id="sessionId" class="chilliValue"><?= $l_not_available ?></td>
                                                </tr>
-->
                                                <tr id="sessionTimeoutRow">
                                                        <td id="sessionTimeoutLabel" class="chilliLabel"><?= $l_max_session_time_label ?></td>
                                                        <td id="sessionTimeout" class="chilliValue"><?= $l_not_available ?></td>
                                                </tr>
                                                <tr id="idleTimeoutRow">
                                                        <td id="idleTimeoutLabel" class="chilliLabel"><?= $l_max_idle_time_label ?></td>
                                                        <td id="idleTimeout" class="chilliValue"><?= $l_not_available ?></td>
                                                </tr>
                                                <tr id="startTimeRow">
                                                        <td id="startTimeLabel" class="chilliLabel"><?= $l_start_time_label ?></td>
                                                        <td id="startTime" class="chilliValue"><?= $l_not_available ?></td>
                                                </tr>
                                                <tr id="sessionTimeRow">
                                                        <td id="sessionTimeLabel" class="chilliLabel"><?= $l_session_time_label ?></td>
                                                        <td id="sessionTime" class="chilliValue"><?= $l_not_available ?></td>
                                                </tr>
                                                <tr id="idleTimeRow">
                                                        <td id="idleTimeLabel" class="chilliLabel"><?= $l_idle_time_label ?></td>
                                                        <td id="idleTime" class="chilliValue"><?= $l_not_available ?></td>
                                                </tr>
                                                <tr id="inputOctetsRow">
                                                        <td id="inputOctetsLabel" class="chilliLabel"><?= $l_downloaded_label ?></td>
                                                        <td id="inputOctets" class="chilliValue"><?= $l_not_available ?></td>
                                                </tr>
                                                <tr id="outputOctetsRow">
                                                        <td id="outputOctetsLabel" class="chilliLabel"><?= $l_uploaded_label ?></td>
                                                        <td id="outputOctets" class="chilliValue"><?= $l_not_available ?></td>
                                                </tr>
<!-- 
                                                <tr id="originalURLRow">
                                                        <td id="originalURLLabel" class="chilliLabel"><?= $l_original_url_label ?></td>
                                                        <td id="originalURL" class="chilliValue"><?= $l_not_available ?></td>
                                                </tr>
 -->
                                                <tr>
                                                        <td colspan="2" id="conHistoryLabel" class="chilliLabel"><?= $l_conn_history ?></td>
                                                </tr>
                                                <tr id="conHistoryRow">
                                                        <td colspan="2" id="conHistory" class="chilliValue"><?= $connection_history ?></td>
                                                </tr>
                                                <tr>
                                                        <td colspan="2" id="close-warning">(<?= $l_close_warning ?>)</td>
                                                </tr>
                                        </table>
                                </div>
                                <div id="waitPage">
                                        <table id="waitTable">
                                                <tr>
                                                        <td><img height="150" src="images/logo-alcasar.png" alt="logo"></td>
                                                        <td><p class="text_auth"><img src="images/wait.gif" width="16" height="16" class="wait" alt="<?= $l_wait ?>"><?= $l_wait ?></p></td>
                                                </tr>
                                        </table>
                                </div>
                                <div id="errorPage">
                                        <table id="errorTable">
                                                <tr>
                                                        <td><img height="150" src="images/logo-alcasar.png" alt="logo"></td>
                                                        <td><span id="errorMessage"><?= $l_error ?></span></td>
                                                </tr>
                                        </table>
                                </div>
                        </div>
                </div>
        </body>
</html>