BLACKSITE


	: 216.73.216.50
	: 174.141.238.224 / www.sscmp.com
	: Windows NT WIN-17DAGV8E5LJ 10.0 build 20348 (Windows Server 2016) AMD64
C:/Inetpub/vhosts/sscmp.com/httpdocs/library/
files >> C:/Inetpub/vhosts/sscmp.com/httpdocs/library/methods_lib.php
 <?php

Class Athentication {
    
    private $conn;
    
    private $crud;


    public function __construct($db){
        
        $this->conn = $db;
        
        $this->crud = new CrudOperation($this->conn);
    }
    
    /////////////////////////////////////////////////////////////////////////////////////////
    // verify user password from database ///////////////////////////////////////////////////
    /////////////////////////////////////////////////////////////////////////////////////////
    
    public function verify_password($username = "", $password = "", $user_type = "", $enc_type = "",$salt=""){
        
        if($user_type == "ADMIN"){
            
            $password_fetched = $this->crud->fetch_single_value("administrator", "admin_pass", "(admin_uid = '".$username."' and admin_type = '".$user_type."' and status = '1')", "limit 1", false);
            
            if($enc_type != ""){
                
                $password = $enc_type($password.$salt);
            }            
            
            if($password_fetched == $password) {
                return true;
            }
            else {
                return false;
            }
        }
        else if($user_type == "SCHOOL"){
            
            $password_fetched = $this->crud->fetch_single_value("schools", "password", "(userid = '".$username."')", "limit 1", false);
            
            if($enc_type != ""){
                
                $password = $enc_type($password.$salt);
            }            
            
            if($password_fetched == $password) {
                return true;
            }
            else {
                return false;
            }
        }
        else {
            return false;
        }
    }
    
    /////////////////////////////////////////////////////////////////////////////////////////
    // create session for user login ////////////////////////////////////////////////////////
    /////////////////////////////////////////////////////////////////////////////////////////
    public function tbldatalist($table = ""){

        $treatmentlst=$this->crud->fetch_multi_row($table, "*", "", "", "order by id asc", false);

        return $treatmentlst;

    }


    public function start_login_session($table_id = 0, $username = "", $user_type = ""){
        
        $_SESSION["table_id"] = $table_id;
        
        $_SESSION["user_name"] = $username;
        
        $_SESSION["user_type"] = $user_type;    
        if($user_type=="teacher")  {
    
    $condition=" teachers.userid ='".$table_id."'"; 
      
   $teacher = $this->crud->fetch_single_row("teachers", "teachers.*, class_teacher.classname as cname, class_teacher.section as secname, class_teacher.class_id as cid, class_teacher.classsectionid as secid ", "","", " INNER JOIN class_teacher on class_teacher.teacherid = teachers.id WHERE ".$condition." limit 1", false);
            

            $arr = array(
                'names' => $teacher['teachername'],
                'classid' => $teacher['cid'],
                'sectionid' => $teacher['secid'],
                'userid' => $teacher['id'],
                'classname'=>$teacher['cname'],
                'sectionname'=>$teacher['secname'],
            ); // dummy array
            $_SESSION['user'] = $arr;     // session var "step1" now stores array value
            
        }  
        
    }
    
    /////////////////////////////////////////////////////////////////////////////////////////
    // validate user session ////////////////////////////////////////////////////////////////
    /////////////////////////////////////////////////////////////////////////////////////////
    
    public function validate_session($username = "", $user_type = ""){
        
        $issession = false;
        
        $user_name_new = isset($_SESSION["user_name"]) ? $_SESSION["user_name"] : rand(1,1000);
        
        $user_type_new = isset($_SESSION["user_type"]) ? $_SESSION["user_type"] : rand(1,1000);
        
        if(($username == $user_name_new) && ($user_type == $user_type_new)){
            
            $issession = true;            
        }
        
        return $issession;
    }    
    
    //////**********************//////////////
}

///////// General Methods /////////////////

Class Method {


    
    
    ///////////////////////////////////////////////////////////////////////////////////
    // method to remove some charactor from string ////////////////////////////////////
    ///////////////////////////////////////////////////////////////////////////////////
    
    public function strip_full($input_string = ""){
        
        $input_string = htmlspecialchars($input_string);
        
        $input_string = str_replace("'", "", $input_string);
        
        $input_string = str_replace(",", "", $input_string);
        
        $input_string = str_replace("~", "", $input_string);
        
        $input_string = str_replace("`", "", $input_string);
        
        $input_string = str_replace('"', "", $input_string); 
        
        $input_string = str_replace('delete from', "", $input_string);
        
        $input_string = str_replace('drop table', "", $input_string);
        
        return $input_string;
    }
    
    ////////////////////////////////////////////////////////////////////////////////////////
    // method to remove some charactor from string /////////////////////////////////////////
    ////////////////////////////////////////////////////////////////////////////////////////
    
    public function strip_partial($input_string = ""){
        
        $input_string = str_replace("'", "", $input_string);
        
        $input_string = str_replace(",", "", $input_string);
        
        $input_string = str_replace("~", "", $input_string);
        
        $input_string = str_replace("`", "", $input_string);
        
        $input_string = str_replace('"', "", $input_string);
        
        return $input_string;
    }
    
    /////////////////////////////////////////////////////////////////////////////////
    // check varible existance and value not null ///////////////////////////////////
    /////////////////////////////////////////////////////////////////////////////////
    
    public function is_not_null($variable_type = "", $variable_list = ""){
        
        $variables = explode("~", $variable_list);
        
        $error = 0;        
        
        if($variable_type == "POST"){
            
            foreach ($variables as $variable){ 
                        
            if(isset($_POST[$variable])){
                
                if(trim($_POST[$variable]) == "" && $_POST[$variable] == NULL){                    
                    $error++;                   
                }
            }
            else {
                $error++;
            }
           }
        }
        else if($variable_type == "GET"){
            
            foreach ($variables as $variable){ 
                        
            if(isset($_GET[$variable])){
                
                if(trim($_GET[$variable]) == "" && $_GET[$variable] == NULL){                    
                    $error++;                   
                }
            }
            else {
                $error++;
            }
           }
        }
        else if($variable_type == "FILES"){
            
            foreach ($variables as $variable){ 
                        
            if(!isset($_FILES[$variable])){
                 $error++;
            }            
           }
        }
        else if($variable_type == "SESSION"){
            
            foreach ($variables as $variable){ 
                        
            if(isset($_SESSION[$variable])){
                
                if(trim($_SESSION[$variable]) == "" && $_SESSION[$variable] == NULL){                    
                    $error++;                   
                }
            }
            else {
                $error++;
            }
           }
        }
        else if($variable_type == "REQUEST"){
            
            foreach ($variables as $variable){ 
                        
            if(isset($_REQUEST[$variable])){
                
                if(trim($_REQUEST[$variable]) == "" && $_REQUEST[$variable] == NULL){                    
                    $error++;                   
                }
            }
            else {
                $error++;
            }
           }
        }
        else if($variable_type == "COOKIE"){
            
            foreach ($variables as $variable){ 
                        
            if(isset($_COOKIE[$variable])){
                
                if(trim($_COOKIE[$variable]) == "" && $_COOKIE[$variable] == NULL){                    
                    $error++;                   
                }
            }
            else {
                $error++;
            }
           }
        }
        else if($variable_type == "SERVER"){
            
            foreach ($variables as $variable){ 
                        
            if(isset($_SERVER[$variable])){
                
                if(trim($_SERVER[$variable]) == "" && $_SERVER[$variable] == NULL){                    
                    $error++;                   
                }
            }
            else {
                $error++;
            }
           }
        } 
        
        if($error == 0){return true;}else{return false;}
    }
    
    /////////////////////////////////////////////////////////////////////////////////////////
    // upload files /////////////////////////////////////////////////////////////////////////
    ///////////////////////////////////////////////////////////////////////////////////////
    
    public function uploadimage($file = "",$filename_custem = "", $folder = "", $allowed_exts = "", $allowed_type = "", $minsize = 0, $maxsize = 0){
                
            $filename = "N";
            
            if ($_FILES[$file]["name"] != "") {

            $ext = explode(".", $_FILES[$file]["name"]);

            $extn = strtolower(end($ext));
            
            if($filename_custem != ""){
              $filename = $filename_custem.".".$extn;
            }
            else {
                $filename = substr(str_replace(" ", "-", $ext[0]), 0, 10) . "_" . time() .".". $extn;
            }
            
            if (file_exists($folder . $filename)) {                
                unlink($folder . $filename);
            }

            $error = 0;
                    
            if (round(($_FILES[$file]["size"]) / 1024) < $minsize) {
                $error++;
            }        
            
            if (round(($_FILES[$file]["size"]) / 1024) > $maxsize) {
                $error++;
            }
            
            if(is_array($allowed_type)){
            
            if (!in_array($_FILES[$file]["type"], $allowed_type)) {
                $error++;                
            }
            }
            
            if(is_array($allowed_exts)){

            if (!in_array($extn, $allowed_exts)) {
                $error++;                
            }
            }
            
            if($error == 0 ){                
                if(move_uploaded_file($_FILES[$file]["tmp_name"],$folder . $filename)){ $filename = $filename; } else {$filename = "N";}
            }
            else{
                
                $filename = "N";//round(($_FILES[$file]["size"]));
            }
        } else {
            $filename = "N";
        }        
        return $filename;
       }
       
    ////////////////////////////////////////////////////////////////////////////////////////
 
    function createThumbs($image_path, $thumb_path, $thumb_height){
        
     if(file_exists($thumb_path)){unlink($thumb_path);}
  
      $img = imagecreatefromjpeg( "{$image_path}" );
      $width = imagesx( $img );
      $height = imagesy( $img );

      // calculate thumbnail size
      $new_width = floor($width * ($thumb_height / $height));
      
      $new_height = $thumb_height;

      // create a new temporary image
      $tmp_img = imagecreatetruecolor($new_width, $new_height);

      // copy and resize old image into new image
      imagecopyresized($tmp_img, $img, 0, 0, 0, 0, $new_width, $new_height, $width, $height);

      // save thumbnail into a file
      imagejpeg( $tmp_img, "{$thumb_path}"); 
}

///////////////////////////////////////////////////////////////////////////////////////
    // recieve message from session ///////////////////////////////////////////////////////
    // ////////////////////////////////////////////////////////////////////////////////////
   
    public function recieve_message(){
        
        $msg = isset($_SESSION["message"]) ? $_SESSION["message"] : "";
        
        $_SESSION["message"] = "";
        
        $temp = explode("~", $msg);
        
        $msg_arr = array();
        
        $msg_arr[0] = isset($temp[0]) ? $temp[0]: "";
        
        $msg_arr[1] = isset($temp[1]) ? $temp[1]: "";
        
        return $msg_arr;
    }
    
    ////////////////////////////////////////////////////////////////////////////////////////
    // redirect to url /////////////////////////////////////////////////////////////////////
    ////////////////////////////////////////////////////////////////////////////////////////
    
    public function redirect($url = "", $message = ""){
        
        $_SESSION["message"] = isset($message) ? $message : "";
        
        header("Location: ".$url);
    }
    
    /////////////////////////////////////////////////////////////////////////////////////////
    // Get Current Username, User Type and User Role /////////////////////////////////////////////////////////////////
    /////////////////////////////////////////////////////////////////////////////////////////
    
    public function get_user_name(){
        
         $user_name = isset($_SESSION["user_name"]) ? $_SESSION["user_name"] : rand(1001,9999);
        
         return $user_name;
    }
    
     public function get_user_type(){
         
         $user_type = isset($_SESSION["user_type"]) ? $_SESSION["user_type"] : rand(1001,9999);
        
         return $user_type;
    }    
    
    /////////////////////////////////////////////////////////////////////////////////////
    // pagination ///////////////////////////////////////////////////////////////////////
    /////////////////////////////////////////////////////////////////////////////////////
    
    public function pagination($totalpage = 0,$pagenum = 0,$totalitem = 0,$url = ""){
        
       echo  '<ul class="pagination" style="margin: 0;">';
                
                 $iter_one = 0;
                
                  for($i = 1; $i <= $totalpage; $i++){
                      
                  if($iter_one == 0){   
                   
                  echo'<li class="paginate_button previous';
                  
                  if(($pagenum - 1) <= 0){echo 'disabled';}
                  
                  echo '" id="example2_previous"><a href="';
                  
                  if(($pagenum - 1) <= 0){echo 'javascript:void();';}else{echo $url.'/'.$totalitem.'/'.($pagenum - 1);}
                      
                  echo '">Previous</a></li>';
                  
                  $iter_one = 1;
                  
                  }
                                    
                  echo '<li class="paginate_button ';
                  
                  if($i == $pagenum){echo 'active';}
                  
                  echo '"><a href="'.$url.'/'.$totalitem.'/'.$i.'">'.$i.'</a></li>';
                  
                  if($i == $totalpage){ 
                  
                  echo '<li class="paginate_button next';
                
                  if(($pagenum + 1) > $totalpage){echo 'disabled';}
                
                  echo '" id="example2_next"><a href="';
                  
                  if(($pagenum + 1) > $totalpage){echo 'javascript:void();';}else{echo $url.'/'.$totalitem.'/'.($pagenum - 1);}
                  
                  echo '" >Next</a></li>';                 
                   }
                  }
              echo '</ul>';
    }


    //////////////////////////////////////////
}

?>