<?php
require_once(Path::handlerClassPath() . "HandlerInterface.php");
require_once(Path::handlerClassPath() . "Handler.php");
require_once (Path::validationClassPath(). "NetWorkProfileHandler.php");
class LoginHandler extends Handler implements HandlerInterface {

private $debugTest = false;
private $profile;

public function init(){
    $this->profile = new NetWorkProfileHandler();
}
/**
 * Authenticates the username and password from dummydb.
 * @param String $username
 * @param String $password
 * @return <b>Boolean</b> - True if username/password match, otherwise false.
 */
public function authenticate($username, $password) {
    if($this->debugTest){
        $stmt = $this->stmt;
        $query = "SELECT `username` FROM `dummydb` WHERE `username` = ? AND `password` = ?;";
        if($stmt = $this->mysqli->prepare($query)) {
            $stmt->bind_param("ss", $username, $password);
            $stmt->execute();
            $stmt->bind_result($usernameDB);
            $stmt->fetch();
            if(isset($usernameDB)) {
                return true;
            }
        }
        return false;
    }
    else{
        $this->profile->setUsername($username);
        $this->profile->setPassword($password);
        return $this->profile->IsConnected();
    }
}

public function getStatus(){
    return $this->profile->getStatus();
}

/**
 * Checks if the username exists in the system database.
 * @param String $username
 * @return <b>Boolean</b> - True if it exists, otherwise false.
 */
public function checkIfUsernameExists($username) {
    $stmt = $this->stmt;
    $query = "SELECT `employee_username` FROM `employee` WHERE `employee_username` = ?;";

    if($stmt = $this->mysqli->prepare($query)) {
        $stmt->bind_param("s", $username);
        $stmt->execute();
        $stmt->bind_result($usernameDB);
        $stmt->fetch();
        if(isset($usernameDB)) {
            return true;
        }
    }
    return false;
}
public function createDummyAccount($username, $password, $computerName){
    $stmt = $this->stmt;
    $query = "INSERT INTO dummydb (`username`, `password`, `computer_name`)
         VALUES ('".$username."', '".$password."', '".$computerName."');";
    if($stmt = $this->mysqli->prepare($query)) {
        $stmt->execute();
        return Status::INSERT_SUCCESS;
    }
    return Status::INSERT_FAIL;
}
}
?>

<?php
class NetWorkProfileHandler{
private $username;
private $password;
private $connected;
private $statusMsg;

private function loginProfile(){
    if(isset($this->username,$this->password) && !empty($this->password) && !empty($this->username)){
        $authUser = $this->username.'@ma.global.ad';
            // connect to ldap server
        $ldapconn = ldap_connect("ma.global.ad",389) or die("Could not connect to LDAP server.");
        if ($ldapconn) {
             // binding to ldap server
            $ldapbind = @ldap_bind($ldapconn, $authUser, $this->password);

            // verify binding
            if ($ldapbind)//LDAP binding successful
            {
                $this->connected = true;
                $this->statusMsg = 'Connected!';
                unset($this->username,$this->password);




            }
            else//LDAP binding failed
            {
                $this->connected = false;
                $this->statusMsg = 'Invalid user/password.';
            }

        }
        else {
            $this->connected = false;
            $this->statusMsg = 'Failed to connect to server.';
        }
    }
    else
                {
             $this->connected = false;
             $this->statusMsg = 'Empty user/password.';
        }
}


public function getStatus()
{
    return $this->statusMsg;
}

public function IsConnected()
{
    $this->loginProfile();
    return $this->connected;
}

public function setUsername($username)
{
    $this->username = $username;
}

public function setPassword($password)
{
    $this->password = $password;
}
}
?>