/**
* Initializes the environment:
*
* - Loads hooks
* - Converts all input variables to the configured character set
*
* @return void
*/
public static function init()
{
if (self::$init === TRUE) {
return;
}
// Test if the current environment is command-line
self::$is_cli = PHP_SAPI === 'cli';
// Test if the current evironment is Windows
self::$is_windows = DIRECTORY_SEPARATOR === '\\';
// Determine if the server supports UTF-8 natively
utf8::$server_utf8 = extension_loaded('mbstring');
// Load the file path cache
self::$file_path = Kohana::cache('kohana_file_paths');
// Load the configuration loader
self::$config = new Kohana_Config_Loader();
// Import the main configuration locally
$config = self::$config->kohana;
// Set the default locale
self::$default_locale = $config->default_locale;
self::$save_cache = $config->save_cache;
self::$charset = $config->charset;
// Localize the environment
self::locale($config->locale);
// Set the enviroment time
self::timezone($config->timezone);
// Enable modules
self::modules($config->modules);
if ($hooks = self::list_files('hooks', TRUE)) {
foreach ($hooks as $hook) {
// Load each hook in the order they appear
require $hook;
}
}
// Convert global variables to current charset.
$_GET = utf8::clean($_GET, self::$charset);
$_POST = utf8::clean($_POST, self::$charset);
$_SERVER = utf8::clean($_SERVER, self::$charset);
// The system has been initialized
self::$init = TRUE;
}
/**
* Initializes the environment:
*
* - Disables register_globals and magic_quotes_gpc
* - Determines the current environment
* - Set global settings
* - Sanitizes GET, POST, and COOKIE variables
* - Converts GET, POST, and COOKIE variables to the global character set
*
* Any of the global settings can be set here:
*
* > boolean "display_errors" : display errors and exceptions
* > boolean "log_errors" : log errors and exceptions
* > boolean "cache_paths" : cache the location of files between requests
* > string "charset" : character set used for all input and output
*
* @param array global settings
* @return void
*/
public static function init(array $settings = NULL)
{
static $_init;
// This function can only be run once
if ($_init === TRUE) {
return;
}
if (isset($settings['profile'])) {
// Enable profiling
self::$profile = (bool) $settings['profile'];
}
if (self::$profile === TRUE) {
// Start a new benchmark
$benchmark = Profiler::start(__CLASS__, __FUNCTION__);
}
// The system will now be initialized
$_init = TRUE;
// Start an output buffer
ob_start();
if (version_compare(PHP_VERSION, '6.0', '<=')) {
// Disable magic quotes at runtime
set_magic_quotes_runtime(0);
}
if (ini_get('register_globals')) {
if (isset($_REQUEST['GLOBALS'])) {
// Prevent malicious GLOBALS overload attack
echo "Global variable overload attack detected! Request aborted.\n";
// Exit with an error status
exit(1);
}
// Get the variable names of all globals
$global_variables = array_keys($GLOBALS);
// Remove the standard global variables from the list
$global_variables = array_diff($global_vars, array('GLOBALS', '_REQUEST', '_GET', '_POST', '_FILES', '_COOKIE', '_SERVER', '_ENV', '_SESSION'));
foreach ($global_variables as $name) {
// Retrieve the global variable and make it null
global ${$name};
${$name} = NULL;
// Unset the global variable, effectively disabling register_globals
unset($GLOBALS[$name], ${$name});
}
}
// Determine if we are running in a command line environment
self::$is_cli = PHP_SAPI === 'cli';
// Determine if we are running in a Windows environment
self::$is_windows = DIRECTORY_SEPARATOR === '\\';
if (isset($settings['display_errors'])) {
// Enable or disable the display of errors
self::$display_errors = (bool) $settings['display_errors'];
}
if (isset($settings['cache_paths'])) {
// Enable or disable the caching of paths
self::$cache_paths = (bool) $settings['cache_paths'];
}
if (isset($settings['charset'])) {
// Set the system character set
self::$charset = strtolower($settings['charset']);
}
if (isset($settings['base_url'])) {
// Set the base URL
self::$base_url = rtrim($settings['base_url'], '/') . '/';
}
// Determine if the extremely evil magic quotes are enabled
self::$magic_quotes = (bool) get_magic_quotes_gpc();
// Sanitize all request variables
$_GET = self::sanitize($_GET);
$_POST = self::sanitize($_POST);
$_COOKIE = self::sanitize($_COOKIE);
// Load the logger
self::$log = Kohana_Log::instance();
// Determine if this server supports UTF-8 natively
utf8::$server_utf8 = extension_loaded('mbstring');
// Normalize all request variables to the current charset
$_GET = utf8::clean($_GET, self::$charset);
$_POST = utf8::clean($_POST, self::$charset);
$_COOKIE = utf8::clean($_COOKIE, self::$charset);
if (isset($benchmark)) {
// Stop benchmarking
Profiler::stop($benchmark);
}
}
