Auth.php

<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
 * Example Auth controller using Authit
 *
 * @package Authentication
 * @category Libraries
 * @author Ron Bailey
 * @version 1.0
 */

class Auth extends CI_Controller {

	public function __construct()
	{
		parent::__construct();
		
		$this->load->library('authit');
		$this->load->helper('authit');
		$this->config->load('authit');
		
		$this->load->helper('url');
	}
	
	public function index()
	{
		if(!logged_in()) redirect('auth/login');
		 
		// Redirect to your logged in landing page here
		redirect('auth/dash');
	}
	
	/**
	 * Login page
	 */
	public function login()
	{
		if(logged_in()) redirect('auth/dash');
		 
		$this->load->library('form_validation');
		$this->load->helper('form');
		$data['error'] = false;
		 
		$this->form_validation->set_rules('email', 'Email', 'required|valid_email');
		$this->form_validation->set_rules('password', 'Password', 'required');
		
		if($this->form_validation->run()){
			if($this->authit->login(set_value('email'), set_value('password'))){
				// Redirect to your logged in landing page here
				redirect('auth/dash');
			} else {
				$data['error'] = 'Your email address and/or password is incorrect.';
			}
		}
		
		$this->load->view('auth/login', $data);
	}
	
	/**
	 * Signup page
	 */
	public function signup()
	{
		// Redirect to your logged in landing page here
		if(logged_in()) redirect('auth/dash');
		 
		$this->load->library('form_validation');
		$this->load->helper('form');
		$data['error'] = '';
		 
		$this->form_validation->set_rules('email', 'Email', 'required|valid_email|is_unique['. $this->config->item('authit_users_table') .'.email]');
		$this->form_validation->set_rules('password', 'Password', 'required|min_length['. $this->config->item('authit_password_min_length') .']');
		$this->form_validation->set_rules('password_conf', 'Confirm Password', 'required|matches[password]');
		
		if($this->form_validation->run()){
			if($this->authit->signup(set_value('email'), set_value('password'))){
				$this->authit->login(set_value('email'), set_value('password'));
				
				// Do some post signup stuff like send a welcome email...

				
				// Redirect to your logged in landing page here
				redirect('auth/dash');
			} else {
				$data['error'] = 'Failed to sign up with the given email address and password.';
			}
		}
		
		$this->load->view('auth/signup', $data);
	}
	
	/**
	 * Logout page
	 */
	public function logout()
	{
		if(!logged_in()) redirect('auth/login');

		// Redirect to your logged out landing page here
		$this->authit->logout('/');
	}
	
	/**
	 * Example dashboard page
	 */
	public function dash()
	{
		if(!logged_in()) redirect('auth/login');
		
		echo 'Hi, '. user('email') .'. You have successfully  logged in. <a href="'. site_url('auth/logout') .'">Logout</a>';
	}
	
	/**
	 * Forgot password page
	 */
	public function forgot()
	{
		// Redirect to your logged in landing page here
		if(logged_in()) redirect('auth/dash');

        $test_emails = $this->config->item('authit_test_emails');
		 
		$this->load->library('form_validation');
		$this->load->helper('form');
		$data['success'] = false;
		 
		$this->form_validation->set_rules('email', 'Email', 'required|valid_email|callback_email_exists');
		
		if($this->form_validation->run()){
			$email = $this->input->post('email');
			$this->load->model('authit_model');
			$user = $this->authit_model->get_user_by_email($email);
			$slug = md5($user->id . $user->email . date('Ymd'));

			$this->load->library('email');

            $from = "'noreply@example.com', 'Example App'"; // Change these details
            $subject = 'Reset your Password';
            $message = 'To reset your password please click the link below and follow the instructions:
      
'. site_url('auth/reset/'. $user->id .'/'. $slug) .'

If you did not request to reset your password then please just ignore this email and no changes will occur.

Note: This reset code will expire after '. date('j M Y') .'.';

            $this->email->from($from);
            $this->email->to($email);
            $this->email->subject($subject);
			$this->email->message($message);

            if ($test_emails) {
                $this->savemails("Password Reset", $this->email->protocol, $this->email->mailtype, $from, $email, $subject, $message);
            } else {
                $this->email->send();
            }
			
			$data['success'] = true;
		}
		
		$this->load->view('auth/forgot_password', $data);
	}

    public function savemails($origin,$protocol,$mailtype,$from,$email,$subject,$message)
    {
        $obj = new stdClass();
        $obj->origin = $origin;
        $obj->protocol = $protocol;
        $obj->mailtype = $mailtype;
        $obj->curentdate = date('r');
        $obj->from = $from;
        $obj->email = $email;
        $obj->subject = $subject;
        $obj->message = $message;

        $emailobj = serialize($obj);
        $email_db = getcwd().DIRECTORY_SEPARATOR."application".DIRECTORY_SEPARATOR."test_emails".DIRECTORY_SEPARATOR."testemails.db";
        if (is_writable($email_db)) {
            $fp = fopen($email_db,"w");
            fwrite($fp,$emailobj);
            fclose($fp);
        }

    }

	public function sentemails()
    {
        //view emails
        $email_db = getcwd().DIRECTORY_SEPARATOR."application".DIRECTORY_SEPARATOR."test_emails".DIRECTORY_SEPARATOR."testemails.db";
        if (file_exists($email_db)){
            $emailobj = file_get_contents($email_db);
            $obj = unserialize($emailobj);
            if (!empty($obj)) { ?>

                <!DOCTYPE html>
                <html lang="en">
                <head>
                    <meta charset="utf-8">
                    <title>Emails Sent</title>
                    <style type="text/css">

                        ::selection { background-color: #E13300; color: white; }
                        ::-moz-selection { background-color: #E13300; color: white; }

                        body {
                            background-color: #fff;
                            margin: 40px;
                            font: 13px/20px normal Helvetica, Arial, sans-serif;
                            color: #4F5155;
                        }

                        a {
                            color: #003399;
                            background-color: transparent;
                            font-weight: normal;
                        }

                        h1 {
                            color: #444;
                            background-color: transparent;
                            border-bottom: 1px solid #D0D0D0;
                            font-size: 19px;
                            font-weight: normal;
                            margin: 0 0 14px 0;
                            padding: 14px 15px 10px 15px;
                        }

                        code {
                            font-family: Consolas, Monaco, Courier New, Courier, monospace;
                            font-size: 12px;
                            background-color: #f9f9f9;
                            border: 1px solid #D0D0D0;
                            color: #002166;
                            display: block;
                            margin: 14px 0 14px 0;
                            padding: 12px 10px 12px 10px;
                        }

                        #body {
                            margin: 0 15px 0 15px;
                        }

                        p.footer {
                            text-align: right;
                            font-size: 11px;
                            border-top: 1px solid #D0D0D0;
                            line-height: 32px;
                            padding: 0 10px 0 10px;
                            margin: 20px 0 0 0;
                        }

                        #container {
                            margin: 10px;
                            border: 1px solid #D0D0D0;
                            box-shadow: 0 0 8px #D0D0D0;
                        }
                    </style>
                </head>
                <body>
                <div id="container">

                    <h1>Email Preview</h1>

                    <div id="body">
                        <h3>Details</h3>
                        <ul>
                            <li><strong>Origin:</strong> <?php echo (isset($obj->origin) ? $obj->origin : ""); ?></li>
                            <li><strong>Protocol:</strong> <?php echo (isset($obj->protocol) ? $obj->protocol : ""); ?></li>
                            <li><strong>Mail type:</strong> <?php echo (isset($obj->mailtype) ? $obj->mailtype : ""); ?></li>
                            <li><strong>Sent At:</strong> <?php echo (isset($obj->curentdate) ? $obj->curentdate : ""); ?></li>
                        </ul>

                        <hr />
                        <p><strong>To:</strong> <?php echo (isset($obj->email) ? $obj->email : ""); ?></p>
                        <p><strong>From:</strong> <?php echo (isset($obj->from) ? $obj->from : ""); ?></p>

                        <p><strong>Subject:</strong> <?php echo (isset($obj->subject) ? $obj->subject : ""); ?></p>

                        <p><strong>Message Body:</strong> <?php echo (isset($obj->message) ? $obj->message : ""); ?></p>
                    </div>

                </div>
                </body>
                </html>

<?php


            }

        }
    }

	
	/**
	 * CI Form Validation callback that checks a given email exists in the db
	 *
	 * @param string $email the submitted email
	 * @return boolean returns false on error
	 */
	public function email_exists($email)
	{
		$this->load->model('authit_model');
		 
		if($this->authit_model->get_user_by_email($email)){
			return true;
		} else {
			$this->form_validation->set_message('email_exists', 'We couldn\'t find that email address in our system.');
			return false;
		}
	}
	
	/**
	 * Reset password page
	 */
	public function reset()
	{
		// Redirect to your logged in landing page here
		if(logged_in()) redirect('auth/dash');
		 
		$this->load->library('form_validation');
		$this->load->helper('form');
		$data['success'] = false;
		 
		$user_id = $this->uri->segment(3);
		if(!$user_id) show_error('Invalid reset code.');
		$hash = $this->uri->segment(4);
		if(!$hash) show_error('Invalid reset code.');
		
		$this->load->model('authit_model');
		$user = $this->authit_model->get_user($user_id);
		if(!$user) show_error('Invalid reset code.');
		$slug = md5($user->id . $user->email . date('Ymd'));
		if($hash != $slug) show_error('Invalid reset code.');
	 
		$this->form_validation->set_rules('password', 'Password', 'required|min_length['. $this->config->item('authit_password_min_length') .']');
		$this->form_validation->set_rules('password_conf', 'Confirm Password', 'required|matches[password]');
		
		if($this->form_validation->run()){
			$this->authit->reset_password($user->id, $this->input->post('password'));
			$data['success'] = true;
		}
		
		$this->load->view('auth/reset_password', $data);
	}
	
}