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Introduction - Welcome - My Erkana implementation

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tomcode.com

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Welcome

Introduction

This is my first implementation of Michael Wales Erkanaauth library, see

For this implementation I adapted it to my likes:

  1. The library is now a model
  2. I rearranged the if clauses inside the methodes.
  3. I do not use the helper
  4. The returns of try_login() and getUser() are now the same.

You can log in using admin / admin or test / test.

There is also a page in case cookies are disabled.

This application

A base application with static pages and user administration allows me to fast demo my client's projects.

It will become my replacement for UserAuth Mini-App of George Peccavio, which I am using until now.

My version of Michael Wales library

<?php  if (!defined('BASEPATH')) exit('No direct script access allowed');
 
class Erkanaauth extends Model{
 
    var $db_table = 'users';
    var $db_userid = 'id';
    
    function Erkanaauth()
    {
    
        parent::Model();
        log_message('debug',
            'Authorization class initialized (model Erkanaauth).');
    }
    
    /**
     * Attempt to login using the given condition
     *
     * Accepts an associative array as input, containing login conditions
     * Example: 
     *     $conditions = array
     *     (
     *          'email'=>$email,
     *          'password'=>dohash($password)
     *     );
     *     $this->erkanaauth->try_login($conditions));
     *
     * @access public
     * @param  array login conditions
     * @return mixed boolean:false or object with user record
     */
    function try_login($condition = array())
    {
        $query = $this->db->getwhere($this->db_table, $condition, 1, 0);
        
        if ($query->num_rows != 1) return FALSE;
        
        $row = $query->row();
        $this->session->set_userdata(array('user_id'=>$row->id));
        
        return $row;
    }

    /** 
     * Multipurpose: Check logged state and have the current user info
     *
     * Copied from http://codeigniter.com/forums/viewthread/63423/P30/:
     * getUser() now returns a user's record and can be
     * used to determine login status as well as retrieving
     * user information. Right now it doesn’t support roles
     * (so if you use that system, add in a JOIN to the method below)
     * but it will when I actually release this version    
     *
     * @access public
     * @param  int the user id, defaults to session user_id
     * @return mixed boolean:false or object with user record
     */
    function getUser($id = FALSE)
    {
        if ($id == FALSE) $id = $this->session->userdata('user_id');
        
        if ($id == FALSE) return FALSE;
        
        $condition = array(($this->db_table .'.' .$this->db_userid) =>$id);
        
        $query = $this->db->getwhere($this->db_table, $condition, 1, 0);
        
        $row = ($query->num_rows() == 1) ? $query->row() : FALSE;
        
        return $row;
        }
    
    /**
     * Logs a user out
     *
     * Example: $this->erkanaauth->logout()
     *
     * @access    public
     * @return    void
     */
     function logout()
    {
        $this->session->set_userdata(array('user_id'=>FALSE));
    }
 }
 
 ?>