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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
class Ion_auth_model extends CI_Model
{
public $tables = array();
public $activation_code;
public $forgotten_password_code;
public $new_password;
public $identity;
public $_ion_where = array();
public $_ion_select = array();
public $_ion_like = array();
public $_ion_limit = NULL;
public $_ion_offset = NULL;
public $_ion_order_by = NULL;
public $_ion_order = NULL;
protected $_ion_hooks;
protected $response = NULL;
protected $messages;
protected $errors;
protected $error_start_delimiter;
protected $error_end_delimiter;
public $_cache_user_in_group = array();
protected $_cache_groups = array();
public function __construct()
{
parent::__construct();
$this->load->database();
$this->config->load('ion_auth', TRUE);
$this->load->helper('cookie');
$this->load->helper('date');
$this->lang->load('ion_auth');
$this->tables = $this->config->item('tables', 'ion_auth');
$this->identity_column = $this->config->item('identity', 'ion_auth');
$this->store_salt = $this->config->item('store_salt', 'ion_auth');
$this->salt_length = $this->config->item('salt_length', 'ion_auth');
$this->join = $this->config->item('join', 'ion_auth');
$this->hash_method = $this->config->item('hash_method', 'ion_auth');
$this->default_rounds = $this->config->item('default_rounds', 'ion_auth');
$this->random_rounds = $this->config->item('random_rounds', 'ion_auth');
$this->min_rounds = $this->config->item('min_rounds', 'ion_auth');
$this->max_rounds = $this->config->item('max_rounds', 'ion_auth');
$this->messages = array();
$this->errors = array();
$delimiters_source = $this->config->item('delimiters_source', 'ion_auth');
if ($delimiters_source === 'form_validation')
{
$this->load->library('form_validation');
$form_validation_class = new ReflectionClass("CI_Form_validation");
$error_prefix = $form_validation_class->getProperty("_error_prefix");
$error_prefix->setAccessible(TRUE);
$this->error_start_delimiter = $error_prefix->getValue($this->form_validation);
$this->message_start_delimiter = $this->error_start_delimiter;
$error_suffix = $form_validation_class->getProperty("_error_suffix");
$error_suffix->setAccessible(TRUE);
$this->error_end_delimiter = $error_suffix->getValue($this->form_validation);
$this->message_end_delimiter = $this->error_end_delimiter;
}
else
{
$this->message_start_delimiter = $this->config->item('message_start_delimiter', 'ion_auth');
$this->message_end_delimiter = $this->config->item('message_end_delimiter', 'ion_auth');
$this->error_start_delimiter = $this->config->item('error_start_delimiter', 'ion_auth');
$this->error_end_delimiter = $this->config->item('error_end_delimiter', 'ion_auth');
}
$this->_ion_hooks = new stdClass;
if ($this->hash_method == 'bcrypt') {
if ($this->random_rounds)
{
$rand = rand($this->min_rounds,$this->max_rounds);
$params = array('rounds' => $rand);
}
else
{
$params = array('rounds' => $this->default_rounds);
}
$params['salt_prefix'] = $this->config->item('salt_prefix', 'ion_auth');
$this->load->library('bcrypt',$params);
}
$this->trigger_events('model_constructor');
}
public function hash_password($password, $salt=false, $use_sha1_override=FALSE)
{
if (empty($password))
{
return FALSE;
}
if ($use_sha1_override === FALSE && $this->hash_method == 'bcrypt')
{
return $this->bcrypt->hash($password);
}
if ($this->store_salt && $salt)
{
return sha1($password . $salt);
}
else
{
$salt = $this->salt();
return $salt . substr(sha1($salt . $password), 0, -$this->salt_length);
}
}
public function hash_password_db($id, $password, $use_sha1_override=FALSE)
{
if (empty($id) || empty($password))
{
return FALSE;
}
$this->trigger_events('extra_where');
$query = $this->db->select('password, salt')
->where('id', $id)
->limit(1)
->order_by('id', 'desc')
->get($this->tables['users']);
$hash_password_db = $query->row();
if ($query->num_rows() !== 1)
{
return FALSE;
}
if ($use_sha1_override === FALSE && $this->hash_method == 'bcrypt')
{
if ($this->bcrypt->verify($password,$hash_password_db->password))
{
return TRUE;
}
return FALSE;
}
if ($this->store_salt)
{
$db_password = sha1($password . $hash_password_db->salt);
}
else
{
$salt = substr($hash_password_db->password, 0, $this->salt_length);
$db_password = $salt . substr(sha1($salt . $password), 0, -$this->salt_length);
}
if($db_password == $hash_password_db->password)
{
return TRUE;
}
else
{
return FALSE;
}
}
public function hash_code($password)
{
return $this->hash_password($password, FALSE, TRUE);
}
public function salt()
{
$raw_salt_len = 16;
$buffer = '';
$buffer_valid = false;
if (function_exists('random_bytes')) {
$buffer = random_bytes($raw_salt_len);
if ($buffer) {
$buffer_valid = true;
}
}
if (!$buffer_valid && function_exists('mcrypt_create_iv') && !defined('PHALANGER')) {
$buffer = mcrypt_create_iv($raw_salt_len, MCRYPT_DEV_URANDOM);
if ($buffer) {
$buffer_valid = true;
}
}
if (!$buffer_valid && function_exists('openssl_random_pseudo_bytes')) {
$buffer = openssl_random_pseudo_bytes($raw_salt_len);
if ($buffer) {
$buffer_valid = true;
}
}
if (!$buffer_valid && @is_readable('/dev/urandom')) {
$f = fopen('/dev/urandom', 'r');
$read = strlen($buffer);
while ($read < $raw_salt_len) {
$buffer .= fread($f, $raw_salt_len - $read);
$read = strlen($buffer);
}
fclose($f);
if ($read >= $raw_salt_len) {
$buffer_valid = true;
}
}
if (!$buffer_valid || strlen($buffer) < $raw_salt_len) {
$bl = strlen($buffer);
for ($i = 0; $i < $raw_salt_len; $i++) {
if ($i < $bl) {
$buffer[$i] = $buffer[$i] ^ chr(mt_rand(0, 255));
} else {
$buffer .= chr(mt_rand(0, 255));
}
}
}
$salt = $buffer;
$base64_digits = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
$bcrypt64_digits = './ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
$base64_string = base64_encode($salt);
$salt = strtr(rtrim($base64_string, '='), $base64_digits, $bcrypt64_digits);
$salt = substr($salt, 0, $this->salt_length);
return $salt;
}
public function activate($id, $code = false)
{
$this->trigger_events('pre_activate');
if ($code !== FALSE)
{
$query = $this->db->select($this->identity_column)
->where('activation_code', $code)
->where('id', $id)
->limit(1)
->order_by('id', 'desc')
->get($this->tables['users']);
$result = $query->row();
if ($query->num_rows() !== 1)
{
$this->trigger_events(array('post_activate', 'post_activate_unsuccessful'));
$this->set_error('activate_unsuccessful');
return FALSE;
}
$data = array(
'activation_code' => NULL,
'active' => 1
);
$this->trigger_events('extra_where');
$this->db->update($this->tables['users'], $data, array('id' => $id));
}
else
{
$data = array(
'activation_code' => NULL,
'active' => 1
);
$this->trigger_events('extra_where');
$this->db->update($this->tables['users'], $data, array('id' => $id));
}
$return = $this->db->affected_rows() == 1;
if ($return)
{
$this->trigger_events(array('post_activate', 'post_activate_successful'));
$this->set_message('activate_successful');
}
else
{
$this->trigger_events(array('post_activate', 'post_activate_unsuccessful'));
$this->set_error('activate_unsuccessful');
}
return $return;
}
public function deactivate($id = NULL)
{
$this->trigger_events('deactivate');
if (!isset($id))
{
$this->set_error('deactivate_unsuccessful');
return FALSE;
}
elseif($this->ion_auth->logged_in() && $this->user()->row()->id == $id)
{
$this->set_error('deactivate_current_user_unsuccessful');
return FALSE;
}
$activation_code = sha1(md5(microtime()));
$this->activation_code = $activation_code;
$data = array(
'activation_code' => $activation_code,
'active' => 0
);
$this->trigger_events('extra_where');
$this->db->update($this->tables['users'], $data, array('id' => $id));
$return = $this->db->affected_rows() == 1;
if ($return)
$this->set_message('deactivate_successful');
else
$this->set_error('deactivate_unsuccessful');
return $return;
}
public function clear_forgotten_password_code($code) {
if (empty($code))
{
return FALSE;
}
$this->db->where('forgotten_password_code', $code);
if ($this->db->count_all_results($this->tables['users']) > 0)
{
$data = array(
'forgotten_password_code' => NULL,
'forgotten_password_time' => NULL
);
$this->db->update($this->tables['users'], $data, array('forgotten_password_code' => $code));
return TRUE;
}
return FALSE;
}
public function reset_password($identity, $new) {
$this->trigger_events('pre_change_password');
if (!$this->identity_check($identity)) {
$this->trigger_events(array('post_change_password', 'post_change_password_unsuccessful'));
return FALSE;
}
$this->trigger_events('extra_where');
$query = $this->db->select('id, password, salt')
->where($this->identity_column, $identity)
->limit(1)
->order_by('id', 'desc')
->get($this->tables['users']);
if ($query->num_rows() !== 1)
{
$this->trigger_events(array('post_change_password', 'post_change_password_unsuccessful'));
$this->set_error('password_change_unsuccessful');
return FALSE;
}
$result = $query->row();
$new = $this->hash_password($new, $result->salt);
$data = array(
'password' => $new,
'remember_code' => NULL,
'forgotten_password_code' => NULL,
'forgotten_password_time' => NULL,
);
$this->trigger_events('extra_where');
$this->db->update($this->tables['users'], $data, array($this->identity_column => $identity));
$return = $this->db->affected_rows() == 1;
if ($return)
{
$this->trigger_events(array('post_change_password', 'post_change_password_successful'));
$this->set_message('password_change_successful');
}
else
{
$this->trigger_events(array('post_change_password', 'post_change_password_unsuccessful'));
$this->set_error('password_change_unsuccessful');
}
return $return;
}
public function change_password($identity, $old, $new)
{
$this->trigger_events('pre_change_password');
$this->trigger_events('extra_where');
$query = $this->db->select('id, password, salt')
->where($this->identity_column, $identity)
->limit(1)
->order_by('id', 'desc')
->get($this->tables['users']);
if ($query->num_rows() !== 1)
{
$this->trigger_events(array('post_change_password', 'post_change_password_unsuccessful'));
$this->set_error('password_change_unsuccessful');
return FALSE;
}
$user = $query->row();
$old_password_matches = $this->hash_password_db($user->id, $old);
if ($old_password_matches === TRUE)
{
$hashed_new_password = $this->hash_password($new, $user->salt);
$data = array(
'password' => $hashed_new_password,
'remember_code' => NULL,
);
$this->trigger_events('extra_where');
$successfully_changed_password_in_db = $this->db->update($this->tables['users'], $data, array($this->identity_column => $identity));
if ($successfully_changed_password_in_db)
{
$this->trigger_events(array('post_change_password', 'post_change_password_successful'));
$this->set_message('password_change_successful');
}
else
{
$this->trigger_events(array('post_change_password', 'post_change_password_unsuccessful'));
$this->set_error('password_change_unsuccessful');
}
return $successfully_changed_password_in_db;
}
$this->set_error('password_change_unsuccessful');
return FALSE;
}
public function username_check($username = '')
{
$this->trigger_events('username_check');
if (empty($username))
{
return FALSE;
}
$this->trigger_events('extra_where');
return $this->db->where('username', $username)
->group_by("id")
->order_by("id", "ASC")
->limit(1)
->count_all_results($this->tables['users']) > 0;
}
public function email_check($email = '')
{
$this->trigger_events('email_check');
if (empty($email))
{
return FALSE;
}
$this->trigger_events('extra_where');
return $this->db->where('email', $email)
->group_by("id")
->order_by("id", "ASC")
->limit(1)
->count_all_results($this->tables['users']) > 0;
}
public function identity_check($identity = '')
{
$this->trigger_events('identity_check');
if (empty($identity))
{
return FALSE;
}
return $this->db->where($this->identity_column, $identity)
->count_all_results($this->tables['users']) > 0;
}
public function forgotten_password($identity)
{
if (empty($identity))
{
$this->trigger_events(array('post_forgotten_password', 'post_forgotten_password_unsuccessful'));
return FALSE;
}
$activation_code_part = "";
if(function_exists("openssl_random_pseudo_bytes")) {
$activation_code_part = openssl_random_pseudo_bytes(128);
}
for($i=0;$i<1024;$i++) {
$activation_code_part = sha1($activation_code_part . mt_rand() . microtime());
}
$key = $this->hash_code($activation_code_part.$identity);
if ($key != '' && $this->config->item('permitted_uri_chars') != '' && $this->config->item('enable_query_strings') == FALSE)
{
if ( ! preg_match("|^[".str_replace(array('\\-', '\-'), '-', preg_quote($this->config->item('permitted_uri_chars'), '-'))."]+$|i", $key))
{
$key = preg_replace("/[^".$this->config->item('permitted_uri_chars')."]+/i", "-", $key);
}
}
$this->forgotten_password_code = $key;
$this->trigger_events('extra_where');
$update = array(
'forgotten_password_code' => $key,
'forgotten_password_time' => time()
);
$this->db->update($this->tables['users'], $update, array($this->identity_column => $identity));
$return = $this->db->affected_rows() == 1;
if ($return)
$this->trigger_events(array('post_forgotten_password', 'post_forgotten_password_successful'));
else
$this->trigger_events(array('post_forgotten_password', 'post_forgotten_password_unsuccessful'));
return $return;
}
public function forgotten_password_complete($code, $salt=FALSE)
{
$this->trigger_events('pre_forgotten_password_complete');
if (empty($code))
{
$this->trigger_events(array('post_forgotten_password_complete', 'post_forgotten_password_complete_unsuccessful'));
return FALSE;
}
$profile = $this->where('forgotten_password_code', $code)->users()->row();
if ($profile) {
if ($this->config->item('forgot_password_expiration', 'ion_auth') > 0) {
$expiration = $this->config->item('forgot_password_expiration', 'ion_auth');
if (time() - $profile->forgotten_password_time > $expiration) {
$this->set_error('forgot_password_expired');
$this->trigger_events(array('post_forgotten_password_complete', 'post_forgotten_password_complete_unsuccessful'));
return FALSE;
}
}
$password = $this->salt();
$data = array(
'password' => $this->hash_password($password, $salt),
'forgotten_password_code' => NULL,
'active' => 1,
);
$this->db->update($this->tables['users'], $data, array('forgotten_password_code' => $code));
$this->trigger_events(array('post_forgotten_password_complete', 'post_forgotten_password_complete_successful'));
return $password;
}
$this->trigger_events(array('post_forgotten_password_complete', 'post_forgotten_password_complete_unsuccessful'));
return FALSE;
}
public function register($identity, $password, $email, $additional_data = array(), $groups = array())
{
$this->trigger_events('pre_register');
$manual_activation = $this->config->item('manual_activation', 'ion_auth');
if ($this->identity_check($identity))
{
$this->set_error('account_creation_duplicate_identity');
return FALSE;
}
elseif ( !$this->config->item('default_group', 'ion_auth') && empty($groups) )
{
$this->set_error('account_creation_missing_default_group');
return FALSE;
}
$query = $this->db->get_where($this->tables['groups'],array('name' => $this->config->item('default_group', 'ion_auth')),1)->row();
if( !isset($query->id) && empty($groups) )
{
$this->set_error('account_creation_invalid_default_group');
return FALSE;
}
$default_group = $query;
$ip_address = $this->_prepare_ip($this->input->ip_address());
$salt = $this->store_salt ? $this->salt() : FALSE;
$password = $this->hash_password($password, $salt);
$data = array(
$this->identity_column => $identity,
'username' => $identity,
'password' => $password,
'email' => $email,
'ip_address' => $ip_address,
'created_on' => time(),
'active' => ($manual_activation === false ? 1 : 0)
);
if ($this->store_salt)
{
$data['salt'] = $salt;
}
$user_data = array_merge($this->_filter_data($this->tables['users'], $additional_data), $data);
$this->trigger_events('extra_set');
$this->db->insert($this->tables['users'], $user_data);
$id = $this->db->insert_id();
if( isset($default_group->id) && empty($groups) )
{
$groups[] = $default_group->id;
}
if (!empty($groups))
{
foreach ($groups as $group)
{
$this->add_to_group($group, $id);
}
}
$this->trigger_events('post_register');
return (isset($id)) ? $id : FALSE;
}
public function login($identity, $password, $remember=FALSE)
{
$this->trigger_events('pre_login');
if (empty($identity) || empty($password))
{
$this->set_error('login_unsuccessful');
return FALSE;
}
$this->trigger_events('extra_where');
$query = $this->db->select($this->identity_column . ', email, id, password, active, last_login')
->where($this->identity_column, $identity)
->limit(1)
->order_by('id', 'desc')
->get($this->tables['users']);
if($this->is_time_locked_out($identity))
{
$this->hash_password($password);
$this->trigger_events('post_login_unsuccessful');
$this->set_error('login_timeout');
return FALSE;
}
if ($query->num_rows() === 1)
{
$user = $query->row();
$password = $this->hash_password_db($user->id, $password);
if ($password === TRUE)
{
if ($user->active == 0)
{
$this->trigger_events('post_login_unsuccessful');
$this->set_error('login_unsuccessful_not_active');
return FALSE;
}
$this->set_session($user);
$this->update_last_login($user->id);
$this->clear_login_attempts($identity);
if ($remember && $this->config->item('remember_users', 'ion_auth'))
{
$this->remember_user($user->id);
}
$this->trigger_events(array('post_login', 'post_login_successful'));
$this->set_message('login_successful');
return TRUE;
}
}
$this->hash_password($password);
$this->increase_login_attempts($identity);
$this->trigger_events('post_login_unsuccessful');
$this->set_error('login_unsuccessful');
return FALSE;
}
public function recheck_session()
{
$recheck = (null !== $this->config->item('recheck_timer', 'ion_auth')) ? $this->config->item('recheck_timer', 'ion_auth') : 0;
if($recheck!==0)
{
$last_login = $this->session->userdata('last_check');
if($last_login+$recheck < time())
{
$query = $this->db->select('id')
->where(array($this->identity_column=>$this->session->userdata('identity'),'active'=>'1'))
->limit(1)
->order_by('id', 'desc')
->get($this->tables['users']);
if ($query->num_rows() === 1)
{
$this->session->set_userdata('last_check',time());
}
else
{
$this->trigger_events('logout');
$identity = $this->config->item('identity', 'ion_auth');
if (substr(CI_VERSION, 0, 1) == '2')
{
$this->session->unset_userdata( array($identity => '', 'id' => '', 'user_id' => '') );
}
else
{
$this->session->unset_userdata( array($identity, 'id', 'user_id') );
}
return false;
}
}
}
return (bool) $this->session->userdata('identity');
}
public function is_max_login_attempts_exceeded($identity) {
if ($this->config->item('track_login_attempts', 'ion_auth')) {
$max_attempts = $this->config->item('maximum_login_attempts', 'ion_auth');
if ($max_attempts > 0) {
$attempts = $this->get_attempts_num($identity);
return $attempts >= $max_attempts;
}
}
return FALSE;
}
public function get_attempts_num($identity)
{
if ($this->config->item('track_login_attempts', 'ion_auth')) {
$ip_address = $this->_prepare_ip($this->input->ip_address());
$this->db->select('1', FALSE);
if ($this->config->item('track_login_ip_address', 'ion_auth')) {
$this->db->where('ip_address', $ip_address);
$this->db->where('login', $identity);
} else if (strlen($identity) > 0) $this->db->or_where('login', $identity);
$qres = $this->db->get($this->tables['login_attempts']);
return $qres->num_rows();
}
return 0;
}
public function is_time_locked_out($identity) {
return $this->is_max_login_attempts_exceeded($identity) && $this->get_last_attempt_time($identity) > time() - $this->config->item('lockout_time', 'ion_auth');
}
public function get_last_attempt_time($identity) {
if ($this->config->item('track_login_attempts', 'ion_auth')) {
$ip_address = $this->_prepare_ip($this->input->ip_address());
$this->db->select('time');
if ($this->config->item('track_login_ip_address', 'ion_auth')) $this->db->where('ip_address', $ip_address);
else if (strlen($identity) > 0) $this->db->or_where('login', $identity);
$this->db->order_by('id', 'desc');
$qres = $this->db->get($this->tables['login_attempts'], 1);
if($qres->num_rows() > 0) {
return $qres->row()->time;
}
}
return 0;
}
public function increase_login_attempts($identity) {
if ($this->config->item('track_login_attempts', 'ion_auth')) {
$ip_address = $this->_prepare_ip($this->input->ip_address());
return $this->db->insert($this->tables['login_attempts'], array('ip_address' => $ip_address, 'login' => $identity, 'time' => time()));
}
return FALSE;
}
public function clear_login_attempts($identity, $expire_period = 86400) {
if ($this->config->item('track_login_attempts', 'ion_auth')) {
$ip_address = $this->_prepare_ip($this->input->ip_address());
$this->db->where(array('ip_address' => $ip_address, 'login' => $identity));
$this->db->or_where('time <', time() - $expire_period, FALSE);
return $this->db->delete($this->tables['login_attempts']);
}
return FALSE;
}
public function limit($limit)
{
$this->trigger_events('limit');
$this->_ion_limit = $limit;
return $this;
}
public function offset($offset)
{
$this->trigger_events('offset');
$this->_ion_offset = $offset;
return $this;
}
public function where($where, $value = NULL)
{
$this->trigger_events('where');
if (!is_array($where))
{
$where = array($where => $value);
}
array_push($this->_ion_where, $where);
return $this;
}
public function like($like, $value = NULL, $position = 'both')
{
$this->trigger_events('like');
array_push($this->_ion_like, array(
'like' => $like,
'value' => $value,
'position' => $position
));
return $this;
}
public function select($select)
{
$this->trigger_events('select');
$this->_ion_select[] = $select;
return $this;
}
public function order_by($by, $order='desc')
{
$this->trigger_events('order_by');
$this->_ion_order_by = $by;
$this->_ion_order = $order;
return $this;
}
public function row()
{
$this->trigger_events('row');
$row = $this->response->row();
return $row;
}
public function row_array()
{
$this->trigger_events(array('row', 'row_array'));
$row = $this->response->row_array();
return $row;
}
public function result()
{
$this->trigger_events('result');
$result = $this->response->result();
return $result;
}
public function result_array()
{
$this->trigger_events(array('result', 'result_array'));
$result = $this->response->result_array();
return $result;
}
public function num_rows()
{
$this->trigger_events(array('num_rows'));
$result = $this->response->num_rows();
return $result;
}
public function users($groups = NULL)
{
$this->trigger_events('users');
if (isset($this->_ion_select) && !empty($this->_ion_select))
{
foreach ($this->_ion_select as $select)
{
$this->db->select($select);
}
$this->_ion_select = array();
}
else
{
$this->db->select(array(
$this->tables['users'].'.*',
$this->tables['users'].'.id as id',
$this->tables['users'].'.id as user_id'
));
}
if (isset($groups))
{
if (!is_array($groups))
{
$groups = Array($groups);
}
if (isset($groups) && !empty($groups))
{
$this->db->distinct();
$this->db->join(
$this->tables['users_groups'],
$this->tables['users_groups'].'.'.$this->join['users'].'='.$this->tables['users'].'.id',
'inner'
);
}
$group_ids = array();
$group_names = array();
foreach($groups as $group)
{
if(is_numeric($group)) $group_ids[] = $group;
else $group_names[] = $group;
}
$or_where_in = (!empty($group_ids) && !empty($group_names)) ? 'or_where_in' : 'where_in';
if(!empty($group_names))
{
$this->db->join($this->tables['groups'], $this->tables['users_groups'] . '.' . $this->join['groups'] . ' = ' . $this->tables['groups'] . '.id', 'inner');
$this->db->where_in($this->tables['groups'] . '.name', $group_names);
}
if(!empty($group_ids))
{
$this->db->{$or_where_in}($this->tables['users_groups'].'.'.$this->join['groups'], $group_ids);
}
}
$this->trigger_events('extra_where');
if (isset($this->_ion_where) && !empty($this->_ion_where))
{
foreach ($this->_ion_where as $where)
{
$this->db->where($where);
}
$this->_ion_where = array();
}
if (isset($this->_ion_like) && !empty($this->_ion_like))
{
foreach ($this->_ion_like as $like)
{
$this->db->or_like($like['like'], $like['value'], $like['position']);
}
$this->_ion_like = array();
}
if (isset($this->_ion_limit) && isset($this->_ion_offset))
{
$this->db->limit($this->_ion_limit, $this->_ion_offset);
$this->_ion_limit = NULL;
$this->_ion_offset = NULL;
}
else if (isset($this->_ion_limit))
{
$this->db->limit($this->_ion_limit);
$this->_ion_limit = NULL;
}
if (isset($this->_ion_order_by) && isset($this->_ion_order))
{
$this->db->order_by($this->_ion_order_by, $this->_ion_order);
$this->_ion_order = NULL;
$this->_ion_order_by = NULL;
}
$this->response = $this->db->get($this->tables['users']);
return $this;
}
public function user($id = NULL)
{
$this->trigger_events('user');
$id = isset($id) ? $id : $this->session->userdata('user_id');
$this->limit(1);
$this->order_by($this->tables['users'].'.id', 'desc');
$this->where($this->tables['users'].'.id', $id);
$this->users();
return $this;
}
public function get_users_groups($id=FALSE)
{
$this->trigger_events('get_users_group');
$id || $id = $this->session->userdata('user_id');
return $this->db->select($this->tables['users_groups'].'.'.$this->join['groups'].' as id, '.$this->tables['groups'].'.name, '.$this->tables['groups'].'.description')
->where($this->tables['users_groups'].'.'.$this->join['users'], $id)
->join($this->tables['groups'], $this->tables['users_groups'].'.'.$this->join['groups'].'='.$this->tables['groups'].'.id')
->get($this->tables['users_groups']);
}
public function add_to_group($group_ids, $user_id=false)
{
$this->trigger_events('add_to_group');
$user_id || $user_id = $this->session->userdata('user_id');
if(!is_array($group_ids))
{
$group_ids = array($group_ids);
}
$return = 0;
foreach ($group_ids as $group_id)
{
if ($this->db->insert($this->tables['users_groups'], array( $this->join['groups'] => (float)$group_id, $this->join['users'] => (float)$user_id)))
{
if (isset($this->_cache_groups[$group_id])) {
$group_name = $this->_cache_groups[$group_id];
}
else {
$group = $this->group($group_id)->result();
$group_name = $group[0]->name;
$this->_cache_groups[$group_id] = $group_name;
}
$this->_cache_user_in_group[$user_id][$group_id] = $group_name;
$return += 1;
}
}
return $return;
}
public function remove_from_group($group_ids=false, $user_id=false)
{
$this->trigger_events('remove_from_group');
if(empty($user_id))
{
return FALSE;
}
if( ! empty($group_ids))
{
if(!is_array($group_ids))
{
$group_ids = array($group_ids);
}
foreach($group_ids as $group_id)
{
$this->db->delete($this->tables['users_groups'], array($this->join['groups'] => (float)$group_id, $this->join['users'] => (float)$user_id));
if (isset($this->_cache_user_in_group[$user_id]) && isset($this->_cache_user_in_group[$user_id][$group_id]))
{
unset($this->_cache_user_in_group[$user_id][$group_id]);
}
}
$return = TRUE;
}
else
{
if ($return = $this->db->delete($this->tables['users_groups'], array($this->join['users'] => (float)$user_id))) {
$this->_cache_user_in_group[$user_id] = array();
}
}
return $return;
}
public function groups()
{
$this->trigger_events('groups');
if (isset($this->_ion_where) && !empty($this->_ion_where))
{
foreach ($this->_ion_where as $where)
{
$this->db->where($where);
}
$this->_ion_where = array();
}
if (isset($this->_ion_limit) && isset($this->_ion_offset))
{
$this->db->limit($this->_ion_limit, $this->_ion_offset);
$this->_ion_limit = NULL;
$this->_ion_offset = NULL;
}
else if (isset($this->_ion_limit))
{
$this->db->limit($this->_ion_limit);
$this->_ion_limit = NULL;
}
if (isset($this->_ion_order_by) && isset($this->_ion_order))
{
$this->db->order_by($this->_ion_order_by, $this->_ion_order);
}
$this->response = $this->db->get($this->tables['groups']);
return $this;
}
public function group($id = NULL)
{
$this->trigger_events('group');
if (isset($id))
{
$this->where($this->tables['groups'].'.id', $id);
}
$this->limit(1);
$this->order_by('id', 'desc');
return $this->groups();
}
public function update($id, array $data)
{
$this->trigger_events('pre_update_user');
$user = $this->user($id)->row();
$this->db->trans_begin();
if (array_key_exists($this->identity_column, $data) && $this->identity_check($data[$this->identity_column]) && $user->{$this->identity_column} !== $data[$this->identity_column])
{
$this->db->trans_rollback();
$this->set_error('account_creation_duplicate_identity');
$this->trigger_events(array('post_update_user', 'post_update_user_unsuccessful'));
$this->set_error('update_unsuccessful');
return FALSE;
}
$data = $this->_filter_data($this->tables['users'], $data);
if (array_key_exists($this->identity_column, $data) || array_key_exists('password', $data) || array_key_exists('email', $data))
{
if (array_key_exists('password', $data))
{
if( ! empty($data['password']))
{
$data['password'] = $this->hash_password($data['password'], $user->salt);
}
else
{
unset($data['password']);
}
}
}
$this->trigger_events('extra_where');
$this->db->update($this->tables['users'], $data, array('id' => $user->id));
if ($this->db->trans_status() === FALSE)
{
$this->db->trans_rollback();
$this->trigger_events(array('post_update_user', 'post_update_user_unsuccessful'));
$this->set_error('update_unsuccessful');
return FALSE;
}
$this->db->trans_commit();
$this->trigger_events(array('post_update_user', 'post_update_user_successful'));
$this->set_message('update_successful');
return TRUE;
}
public function delete_user($id)
{
$this->trigger_events('pre_delete_user');
$this->db->trans_begin();
$this->remove_from_group(NULL, $id);
$this->db->delete($this->tables['users'], array('id' => $id));
if ($this->db->trans_status() === FALSE)
{
$this->db->trans_rollback();
$this->trigger_events(array('post_delete_user', 'post_delete_user_unsuccessful'));
$this->set_error('delete_unsuccessful');
return FALSE;
}
$this->db->trans_commit();
$this->trigger_events(array('post_delete_user', 'post_delete_user_successful'));
$this->set_message('delete_successful');
return TRUE;
}
public function update_last_login($id)
{
$this->trigger_events('update_last_login');
$this->load->helper('date');
$this->trigger_events('extra_where');
$this->db->update($this->tables['users'], array('last_login' => time()), array('id' => $id));
return $this->db->affected_rows() == 1;
}
public function set_lang($lang = 'en')
{
$this->trigger_events('set_lang');
if($this->config->item('user_expire', 'ion_auth') === 0)
{
$expire = (60*60*24*365*2);
}
else
{
$expire = $this->config->item('user_expire', 'ion_auth');
}
set_cookie(array(
'name' => 'lang_code',
'value' => $lang,
'expire' => $expire
));
return TRUE;
}
public function set_session($user)
{
$this->trigger_events('pre_set_session');
$session_data = array(
'identity' => $user->{$this->identity_column},
$this->identity_column => $user->{$this->identity_column},
'email' => $user->email,
'user_id' => $user->id,
'old_last_login' => $user->last_login,
'last_check' => time(),
);
$this->session->set_userdata($session_data);
$this->trigger_events('post_set_session');
return TRUE;
}
public function remember_user($id)
{
$this->trigger_events('pre_remember_user');
if (!$id)
{
return FALSE;
}
$user = $this->user($id)->row();
$salt = $this->salt();
$this->db->update($this->tables['users'], array('remember_code' => $salt), array('id' => $id));
if ($this->db->affected_rows() > -1)
{
if($this->config->item('user_expire', 'ion_auth') === 0)
{
$expire = (60*60*24*365*2);
}
else
{
$expire = $this->config->item('user_expire', 'ion_auth');
}
set_cookie(array(
'name' => $this->config->item('identity_cookie_name', 'ion_auth'),
'value' => $user->{$this->identity_column},
'expire' => $expire
));
set_cookie(array(
'name' => $this->config->item('remember_cookie_name', 'ion_auth'),
'value' => $salt,
'expire' => $expire
));
$this->trigger_events(array('post_remember_user', 'remember_user_successful'));
return TRUE;
}
$this->trigger_events(array('post_remember_user', 'remember_user_unsuccessful'));
return FALSE;
}
public function login_remembered_user()
{
$this->trigger_events('pre_login_remembered_user');
if (!get_cookie($this->config->item('identity_cookie_name', 'ion_auth'))
|| !get_cookie($this->config->item('remember_cookie_name', 'ion_auth'))
|| !$this->identity_check(get_cookie($this->config->item('identity_cookie_name', 'ion_auth'))))
{
$this->trigger_events(array('post_login_remembered_user', 'post_login_remembered_user_unsuccessful'));
return FALSE;
}
$this->trigger_events('extra_where');
$query = $this->db->select($this->identity_column.', id, email, last_login')
->where($this->identity_column, urldecode(get_cookie($this->config->item('identity_cookie_name', 'ion_auth'))))
->where('remember_code', get_cookie($this->config->item('remember_cookie_name', 'ion_auth')))
->limit(1)
->order_by('id', 'desc')
->get($this->tables['users']);
if ($query->num_rows() == 1)
{
$user = $query->row();
$this->update_last_login($user->id);
$this->set_session($user);
if ($this->config->item('user_extend_on_login', 'ion_auth'))
{
$this->remember_user($user->id);
}
$this->trigger_events(array('post_login_remembered_user', 'post_login_remembered_user_successful'));
return TRUE;
}
$this->trigger_events(array('post_login_remembered_user', 'post_login_remembered_user_unsuccessful'));
return FALSE;
}
public function create_group($group_name = FALSE, $group_description = '', $additional_data = array())
{
if(!$group_name)
{
$this->set_error('group_name_required');
return FALSE;
}
$existing_group = $this->db->get_where($this->tables['groups'], array('name' => $group_name))->num_rows();
if($existing_group !== 0)
{
$this->set_error('group_already_exists');
return FALSE;
}
$data = array('name'=>$group_name,'description'=>$group_description);
if (!empty($additional_data)) $data = array_merge($this->_filter_data($this->tables['groups'], $additional_data), $data);
$this->trigger_events('extra_group_set');
$this->db->insert($this->tables['groups'], $data);
$group_id = $this->db->insert_id();
$this->set_message('group_creation_successful');
return $group_id;
}
public function update_group($group_id = FALSE, $group_name = FALSE, $additional_data = array())
{
if (empty($group_id)) return FALSE;
$data = array();
if (!empty($group_name))
{
$existing_group = $this->db->get_where($this->tables['groups'], array('name' => $group_name))->row();
if(isset($existing_group->id) && $existing_group->id != $group_id)
{
$this->set_error('group_already_exists');
return FALSE;
}
$data['name'] = $group_name;
}
$group = $this->db->get_where($this->tables['groups'], array('id' => $group_id))->row();
if($this->config->item('admin_group', 'ion_auth') === $group->name && $group_name !== $group->name)
{
$this->set_error('group_name_admin_not_alter');
return FALSE;
}
if (is_string($additional_data)) $additional_data = array('description' => $additional_data);
if (!empty($additional_data)) $data = array_merge($this->_filter_data($this->tables['groups'], $additional_data), $data);
$this->db->update($this->tables['groups'], $data, array('id' => $group_id));
$this->set_message('group_update_successful');
return TRUE;
}
public function delete_group($group_id = FALSE)
{
if(!$group_id || empty($group_id))
{
return FALSE;
}
$group = $this->group($group_id)->row();
if($group->name == $this->config->item('admin_group', 'ion_auth'))
{
$this->trigger_events(array('post_delete_group', 'post_delete_group_notallowed'));
$this->set_error('group_delete_notallowed');
return FALSE;
}
$this->trigger_events('pre_delete_group');
$this->db->trans_begin();
$this->db->delete($this->tables['users_groups'], array($this->join['groups'] => $group_id));
$this->db->delete($this->tables['groups'], array('id' => $group_id));
if ($this->db->trans_status() === FALSE)
{
$this->db->trans_rollback();
$this->trigger_events(array('post_delete_group', 'post_delete_group_unsuccessful'));
$this->set_error('group_delete_unsuccessful');
return FALSE;
}
$this->db->trans_commit();
$this->trigger_events(array('post_delete_group', 'post_delete_group_successful'));
$this->set_message('group_delete_successful');
return TRUE;
}
public function set_hook($event, $name, $class, $method, $arguments)
{
$this->_ion_hooks->{$event}[$name] = new stdClass;
$this->_ion_hooks->{$event}[$name]->class = $class;
$this->_ion_hooks->{$event}[$name]->method = $method;
$this->_ion_hooks->{$event}[$name]->arguments = $arguments;
}
public function remove_hook($event, $name)
{
if (isset($this->_ion_hooks->{$event}[$name]))
{
unset($this->_ion_hooks->{$event}[$name]);
}
}
public function remove_hooks($event)
{
if (isset($this->_ion_hooks->$event))
{
unset($this->_ion_hooks->$event);
}
}
protected function _call_hook($event, $name)
{
if (isset($this->_ion_hooks->{$event}[$name]) && method_exists($this->_ion_hooks->{$event}[$name]->class, $this->_ion_hooks->{$event}[$name]->method))
{
$hook = $this->_ion_hooks->{$event}[$name];
return call_user_func_array(array($hook->class, $hook->method), $hook->arguments);
}
return FALSE;
}
public function trigger_events($events)
{
if (is_array($events) && !empty($events))
{
foreach ($events as $event)
{
$this->trigger_events($event);
}
}
else
{
if (isset($this->_ion_hooks->$events) && !empty($this->_ion_hooks->$events))
{
foreach ($this->_ion_hooks->$events as $name => $hook)
{
$this->_call_hook($events, $name);
}
}
}
}
public function set_message_delimiters($start_delimiter, $end_delimiter)
{
$this->message_start_delimiter = $start_delimiter;
$this->message_end_delimiter = $end_delimiter;
return TRUE;
}
public function set_error_delimiters($start_delimiter, $end_delimiter)
{
$this->error_start_delimiter = $start_delimiter;
$this->error_end_delimiter = $end_delimiter;
return TRUE;
}
public function set_message($message)
{
$this->messages[] = $message;
return $message;
}
public function messages()
{
$_output = '';
foreach ($this->messages as $message)
{
$messageLang = $this->lang->line($message) ? $this->lang->line($message) : '##' . $message . '##';
$_output .= $this->message_start_delimiter . $messageLang . $this->message_end_delimiter;
}
return $_output;
}
public function messages_array($langify = TRUE)
{
if ($langify)
{
$_output = array();
foreach ($this->messages as $message)
{
$messageLang = $this->lang->line($message) ? $this->lang->line($message) : '##' . $message . '##';
$_output[] = $this->message_start_delimiter . $messageLang . $this->message_end_delimiter;
}
return $_output;
}
else
{
return $this->messages;
}
}
public function clear_messages()
{
$this->messages = array();
return TRUE;
}
public function set_error($error)
{
$this->errors[] = $error;
return $error;
}
public function errors()
{
$_output = '';
foreach ($this->errors as $error)
{
$errorLang = $this->lang->line($error) ? $this->lang->line($error) : '##' . $error . '##';
$_output .= $this->error_start_delimiter . $errorLang . $this->error_end_delimiter;
}
return $_output;
}
public function errors_array($langify = TRUE)
{
if ($langify)
{
$_output = array();
foreach ($this->errors as $error)
{
$errorLang = $this->lang->line($error) ? $this->lang->line($error) : '##' . $error . '##';
$_output[] = $this->error_start_delimiter . $errorLang . $this->error_end_delimiter;
}
return $_output;
}
else
{
return $this->errors;
}
}
public function clear_errors()
{
$this->errors = array();
return TRUE;
}
protected function _filter_data($table, $data)
{
$filtered_data = array();
$columns = $this->db->list_fields($table);
if (is_array($data))
{
foreach ($columns as $column)
{
if (array_key_exists($column, $data))
$filtered_data[$column] = $data[$column];
}
}
return $filtered_data;
}
protected function _prepare_ip($ip_address) {
return $ip_address;
}
}