Added a class for World Bank authentication

application/libraries/Wb_auth.php

@@ -0,0 +1,80 @@
+<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+* Name:  WB Passkey Auth
+* 
+* Author: Mehmood Asghar
+* Created:  12.01.2011 
+* 
+* Description:  Function to login user using World Bank's SecurID authentication
+* 
+*/
+
+class WB_auth
+{
+	protected $ci;
+
+	function __construct()
+	{
+		log_message('debug', "WB-AUTH class initialized");
+		$this->ci =& get_instance();
+		$this->ci->config->load("ion_auth");
+		$this->tables  = $this->ci->config->item('tables');
+		$this->ci->load->model("Ion_auth_model");
+	}
+
+	public function passkey_login($email,$upi)
+	{
+	    if (empty($email) || empty($upi) )
+	    {
+	        return FALSE;
+	    }
+
+	    $query = $this->ci->db->select('username,email, id, password, group_id')
+						  ->where("email", $email)
+						  ->where($this->ci->ion_auth->_extra_where)
+						  ->where('active', 1)
+						  //->limit(1)
+						  ->get($this->tables['users']);
+
+        $result = $query->row();
+
+        if ($query->num_rows() == 1)
+        {
+        		$this->update_last_login($result->id);
+    		    $this->ci->session->set_userdata('email',  $result->email);
+				$this->ci->session->set_userdata('username',  $result->username);
+    		    $this->ci->session->set_userdata('user_id',  $result->id); //everyone likes to overwrite id so we'll use user_id
+    		    $this->ci->session->set_userdata('group_id',  $result->group_id);
+				$this->ci->session->set_userdata('site_user_roles', $this->ci->Ion_auth_model->get_user_site_roles($result->id));//array of user roles per site
+
+    		    $group_row = $this->ci->db->select('name')->where('id', $result->group_id)->get($this->tables['groups'])->row();
+
+    		    $this->ci->session->set_userdata('group',  $group_row->name);
+   		    	$this->ci->Ion_auth_model->remember_user($result->id);
+    		    return TRUE;
+        }
+
+		return FALSE;		
+	}
+
+
+		/**
+	 * update_last_login
+	 *
+	 * @return bool
+	 * @author Ben Edmunds
+	 **/
+	public function update_last_login($id)
+	{
+		$this->ci->load->helper('date');
+
+		if (isset($this->ci->ion_auth) && isset($this->ci->ion_auth->_extra_where))
+		{
+			$this->ci->db->where($this->ci->ion_auth->_extra_where);
+		}		
+		$this->ci->db->update($this->tables['users'], array('last_login' => now()), array('id' => $id));
+
+		return $this->ci->db->affected_rows() == 1;
+	}
+
+}