/**
* Loads the configured driver and validates it.
*
* @param array|string custom configuration or config group name
* @return void
*/
public function __construct($config = FALSE)
{
if (is_string($config)) {
$name = $config;
// Test the config group name
if (($config = Ko::config('cache')->{$config}) === NULL) {
throw new KoException('Cache: Undefined group :name.', array(':name' => $name));
}
}
if (!is_array($config)) {
// Load the default group
$config = Ko::config('cache')->default;
}
// Cache the config in the object
$this->_config = $config;
// Set driver name
$driver = 'Cache_' . ucfirst($this->_config['driver']);
// Load the driver
if (!Ko::autoload($driver)) {
throw new KoException('Class :name not found.', array(':name' => $driver));
}
// Initialize the driver
$this->_driver = new $driver($this->_config);
// Validate the driver
if (!$this->_driver instanceof Cache_Driver) {
throw new KoException('Cache: Not valid driver ' . $this->_config['driver']);
}
}
/**
* Sets up the database configuration, loads the Database_Driver.
*
* @throws KoException
*/
public function __construct($config = array())
{
if (empty($config)) {
$config = Ko::config('database.default');
} elseif (is_string($config)) {
$name = $config;
if (($config = Ko::config('database.' . $config)) === NULL) {
throw new KoException('database.undefined_group :group', array(':group' => $name));
}
}
// Merge the default config with the passed config
$this->_config = array_merge($this->_config, $config);
$driver = 'Database_' . ucfirst($this->_config['type']);
if (!Ko::autoload($driver)) {
throw new KoException('core.driver_not_found :error', array(':error' => $this->_config['type'] . get_class($this)));
}
$this->_driver = new $driver($this->_config);
if (!$this->_driver instanceof Database_Driver) {
throw new KoException('core.driver_implements :error', array(':error' => $this->_config['type'] . get_class($this) . 'Database_Driver'));
}
}
/**
* Constructs a new Captcha object.
*
* @throws KoException
* @param string config group name
* @return void
*/
public function __construct($config = NULL)
{
if (empty($config)) {
$config = Ko::config('captcha.default');
} elseif (is_string($config)) {
if (($config = Ko::config('captcha.' . $config)) === NULL) {
throw new KoException('captcha.undefined_group :group', array(':group' => $config));
}
}
$config_default = Ko::config('captcha.default');
// Merge the default config with the passed config
self::$config = array_merge($config_default, $config);
// If using a background image, check if it exists
if (!empty($config['background'])) {
self::$config['background'] = str_replace('\\', '/', realpath($config['background']));
if (!is_file(self::$config['background'])) {
throw new KoException('captcha.file_not_found :background', array(':background' => self::$config['background']));
}
}
// If using any fonts, check if they exist
if (!empty($config['fonts'])) {
self::$config['fontpath'] = str_replace('\\', '/', realpath($config['fontpath'])) . '/';
foreach ($config['fonts'] as $font) {
if (!is_file(self::$config['fontpath'] . $font)) {
throw new KoException('captcha.file_not_found :font', array(':font' => self::$config['fontpath'] . $font));
}
}
}
// Set driver name
$driver = 'Captcha_' . ucfirst($config['style']);
// Load the driver
if (!Ko::autoload($driver)) {
throw new KoException('core.driver_not_found :style', array(':style' => $driver));
}
$this->driver = new $driver();
// Validate the driver
if (!$this->driver instanceof Captcha_Driver) {
throw new KoException('core.driver_implements :driver', array(':driver' => $config['style']));
}
}
/**
* Create a new session.
*
* @return void
*/
public function create()
{
// Validate the session name
if (!preg_match('~^(?=.*[a-z])[a-z0-9_]++$~iD', self::$config['name'])) {
throw new KoException('The session_name, :session:, is invalid. It must contain only alphanumeric characters and underscores. Also at least one letter must be present.', array(':session:' => self::$config['name']));
}
// Destroy any current sessions
$this->destroy();
if (self::$config['driver'] !== 'native') {
$driver = 'Session_' . ucfirst(self::$config['driver']);
if (!Ko::autoload($driver)) {
throw new KoException('The :driver: driver for the :library: library could not be found', array(':driver:' => self::$config['driver'], ':library:' => get_class($this)));
}
self::$driver = new $driver();
if (!self::$driver instanceof Session_Driver) {
throw new KoException('The :driver: driver for the :library: library must implement the :interface: interface', array(':driver:' => self::$config['driver'], ':library:' => get_class($this), ':interface:' => 'Session_Driver'));
}
session_set_save_handler(array(self::$driver, 'open'), array(self::$driver, 'close'), array(self::$driver, 'read'), array(self::$driver, 'write'), array(self::$driver, 'destroy'), array(self::$driver, 'gc'));
}
// Name the session, this will also be the name of the cookie
session_name(self::$config['name']);
// Set the session cookie parameters
// session_set_cookie_params(self::$config['lifetime']);
// Start the session!
session_start();
// Put session_id in the session variable
$_SESSION['session_id'] = session_id();
// Update last activity
$_SESSION['last_activity'] = time();
}
public function result_array($object = NULL, $type = MYSQLI_ASSOC)
{
$rows = array();
if (is_string($object)) {
$fetch = $object;
} elseif (is_bool($object)) {
if ($object === TRUE) {
$fetch = 'fetch_object';
// NOTE - The class set by $type must be defined before fetching the result,
// autoloading is disabled to save a lot of stupid overhead.
$type = (is_string($type) and Ko::autoload($type)) ? $type : 'stdClass';
} else {
$fetch = 'fetch_array';
}
} else {
// Use the default config values
$fetch = $this->fetch_type;
if ($fetch == 'fetch_object') {
$type = (is_string($type) and Ko::autoload($type)) ? $type : 'stdClass';
}
}
if ($this->result->num_rows) {
// Reset the pointer location to make sure things work properly
$this->result->data_seek(0);
while ($row = $this->result->{$fetch}($type)) {
$rows[] = $row;
}
}
return isset($rows) ? $rows : array();
}
