gistfile1.txt

//USER ENTERS THEIR EMAIL AND THEY GET A EMAIL WITH A UNIQUE TOKEN THAT INSERTS THAT TOKEN IN A NEW TABLE ALONG WITH EMAIL ASSOCIATED WITH ACCOUNT

--CONTROLLER

	public function password() 
	{
		$data['main_content'] = 'auth/password';
		$this->load->view('includes/templates/main_page_template', $data);
	}
	
	public function retrieve()
	// REQUEST PASSWORD RESET
	// LOADED WHEN THE FORM IS SUBMITTED OFF THE PASSWORD PAGE AND SENDS THE EMAIL WITH TOKEN AND INSTRUCTIONS
	{
		$this->load->library('form_validation');
		$this->load->library('session');
		$this->form_validation->set_rules('email', 'Email', 'trim|required|valid_email');
		$this->load->model('user_model', 'um');
		$this->load->library('encrypt');
		$this->load->helper('url');
		$submit = $this->input->post('submit');
		$salt = $this->_salt();
		
		if($submit)
		// IF THE SUBMIT BUTTON IS SET
		{
			
			// START PROCESS TO CREATE $USER VARIABLE THAT HOLDS WHAT THE USER ENTERED IN THE FORM AND THAT CAN GET CHECKED AGAINST THE DB IN THE MODEL
			$user = $this->um->validate_retrieve(array('email' => $this->input->post('email')));
			
			
			// IF THE USER IS CREATED AND CHECKS OUT AND ALL OF THE ERRORS ARE CLEARED ON THE FORM
			if( $user && $this->form_validation->run() == TRUE ) {
				
				$domain = "clci.dev/index.php";
				
				// CREATE A TOKEN LINK TO SEND TO THE USERS EMAIL THAT EXIST IN THE DB AND WAS ENTERED
				
				$token = $this->encrypt->sha1($salt . $this->encrypt->sha1($this->input->post('email')));
				$link = "http://www.".$domain."/auth/reset/?token=$token";
			

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

					$this->email->from('noreply@cysticlife.org', 'CysticLife');
					$this->email->to($this->input->post('email')); 

					$this->email->subject('Reset Password');
					$this->email->message("Please go to the following web address to reset your password:\n\n$link\n\n-Your friends at CysticLife\n\nPlease remember to add the cysticlife.org domain to your address book to ensure that you receive your CysticLife e-Notifications as requested.");	

					$this->email->send();
					redirect('auth/success');
					exit;
					
				}
				$this->form_validation->run() == FALSE;
				$data['main_content'] = 'auth/password';
				$this->load->view('includes/templates/main_page_template', $data);
				$data['email_error'] = 'This email is invalid';
			}
			
		
	}

--MODEL

public function validate_retrieve($data) {
		
	 	$query = $this->db->where($data)->get('users', '1');
	
		foreach ($query->result() as $user)
		{
			$user->email;
		    $user->salt;
			$user->id;
		
		}

		$reset_token = array(
			'token' => sha1($user->email.$user->salt).dechex($user->id),
			'email' => $user->email
		);
		
		$insert = $this->db->insert('reset', $reset_token, '1');
		return $reset_token;
	}
	
//WHEN USER HITS THE LINK FROM EMAIL TAKES THEM TO PAGE THAT RESETS PASSWORDS AND IDENTIFIES THEM MATCHING THE SENT TOKEN AGAINST THE ONE STORED IN THE RESET TABLE

--CONTROLLER

	public function reset() 
	{
		$data['main_content'] = 'auth/reset';
		$this->load->view('includes/templates/main_page_template', $data);
	}
	
	//RESET PASSWORD FUNCTIONALITY
	public function reset_password($data)
	{
		$this->load->library('form_validation');
		$this->load->library('session');
		$this->load->model('user_model', 'um');
		$this->load->library('encrypt');
		$this->load->helper('url');
		$this->form_validation->set_rules('password', 'Password', 'trim|required');	
		$this->form_validation->set_rules('password2', 'Confirm Password', 'trim|required|matches[password]');
		$salt = $this->_salt();
		$submit = $this->input->post('submit');
		$token = $_GET['token'];
		$user = $this->um->reset_password(array('token' => $_GET['token']));
		
		if($submit) 
		{
			
			if($this->form_validation->run() == TRUE && $token == $user->token)
			{
			
			$this->um->reset_password(array('password' => $this->input->post('password', $salt)));
			
			
			$data['main_content'] = 'auth/success';
			$this->load->view('includes/templates/home_page_template', $data);
			
			}
			$this->form_validation->run() == FALSE;
		}
	}
	
--MODEL

public function reset_password($data)
	{
		$salt = $this->_salt();
		$query = $this->db->get('reset', 1);

		foreach ($query->result() as $row)
		{
		    echo $row->token;
			echo $row->email;
			echo $row->id;
		   
		}
		
		$data = array(
		               'password' => $this->encrypt->sha1($salt . $this->encrypt->sha1($this->input->post('password'))),
		               'salt' => $salt
		            );
		$this->db->where('email', $row->email);
		$this->db->update('users', $data);
	}