/**
* Check if a view file exists
* @param array $context
* @param bool $check_controller Check for the existence of a corresponding controller method
* @return bool
*/
public static function exists($context, $check_controller = false)
{
$file = APP_DIR . 'sites/' . $context['site'] . '/' . $context['template'] . '/' . $context['controller'] . '.' . $context['view'] . '.php';
if (file_exists($file)) {
return $file;
}
$file = APP_DIR . 'sites/' . $context['site'] . '/' . self::$CONTEXT_DEFAULTS['template'] . '/' . $context['controller'] . '.' . $context['view'] . '.php';
if (file_exists($file)) {
return $file;
}
if ($check_controller && Controller::exists($context['site'], $context['controller']) && method_exists('controllers\\' . $context['site'] . '\\' . $context['controller'], $context['view'])) {
return true;
} else {
return false;
}
}
/**
* Main bootstrapping function. Initialize framework, perform routing, hand things off to template controller.
* @return void
*/
public static function init()
{
self::trace('init');
// Load classes that will always be used; faster than autoloader
include CONFIG_FILE;
if (!defined('IS_PRODUCTION')) {
throw new \Exception('IS_PRODUCTION not set! Please check ' . CONFIG_FILE . '.');
}
include JMVC_DIR . 'view.php';
include JMVC_DIR . 'controller.php';
if (file_exists(APP_DIR . 'routes.php')) {
include APP_DIR . 'routes.php';
}
if (file_exists(APP_DIR . 'constants.php')) {
include APP_DIR . 'constants.php';
}
date_default_timezone_set('America/New_York');
// TODO: make this configurable
spl_autoload_register(array('JMVC', 'autoloader'));
// set error handling
error_reporting(E_ERROR | E_WARNING | E_PARSE);
set_exception_handler(array('JMVC', 'handle_exception'));
set_error_handler(array('JMVC', 'handle_error'), E_ERROR | E_WARNING);
register_shutdown_function(array('JMVC', 'fatal_error_checker'));
if (defined('TRACE_THRESHOLD')) {
register_shutdown_function(array('JMVC', 'check_trace'));
}
self::trace('bootstrap complete');
if (!isset($_SERVER['REQUEST_URI'])) {
//don't do routing if we're not running as a web server process
return;
}
// define some helper constants
$uri = htmlspecialchars(urldecode($_SERVER['REQUEST_URI']));
// defend against XSS
if ($qPos = strpos($uri, '?')) {
define('CURRENT_URL', substr($uri, 0, $qPos));
define('QUERY_STRING', substr($uri, $qPos));
} else {
define('CURRENT_URL', $uri);
define('QUERY_STRING', '');
}
define('IS_AJAX', isset($_SERVER['HTTP_X_REQUESTED_WITH']));
// check if we need to do a URL redirect (301)
if (isset($REDIRECTS)) {
foreach ($REDIRECTS as $in => $out) {
$routed_url = preg_replace('%' . $in . '%', $out, CURRENT_URL, 1, $count);
if ($count) {
\jmvc\Controller::forward($routed_url . QUERY_STRING, true);
break;
}
}
}
self::trace('redirects complete');
$app_url = CURRENT_URL;
// Check for any internal URL mapping
if (isset($ROUTES)) {
foreach ($ROUTES as $in => $out) {
$routed_url = preg_replace('%' . $in . '%', $out, $app_url, 1, $count);
if ($count) {
$routed_parts = explode('?', $routed_url);
$app_url = $routed_parts[0];
if (isset($routed_parts[1]) && !empty($routed_parts[1])) {
foreach (explode('&', $routed_parts[1]) as $pair) {
list($key, $val) = explode('=', $pair);
$_GET[$key] = $val;
$_REQUEST[$key] = $val;
}
}
break;
}
}
}
self::trace('routes complete');
// Set default context
if (defined('DEFAULT_SITE')) {
\jmvc\View::$CONTEXT_DEFAULTS['site'] = DEFAULT_SITE;
}
if (defined('DEFAULT_TEMPLATE')) {
\jmvc\View::$CONTEXT_DEFAULTS['template'] = DEFAULT_TEMPLATE;
}
if (defined('DEFAULT_CONTROLLER')) {
\jmvc\View::$CONTEXT_DEFAULTS['controller'] = DEFAULT_CONTROLLER;
}
if (defined('DEFAULT_VIEW')) {
\jmvc\View::$CONTEXT_DEFAULTS['view'] = DEFAULT_VIEW;
}
// routing
if ($app_url == '/') {
$context = \jmvc\View::$CONTEXT_DEFAULTS;
$url_parts = array();
} else {
if (substr($app_url, 0, 5) == '/css/') {
self::css();
} else {
// Parse each segment of the URL, left to right
$url_parts = explode('/', trim($app_url, '/'));
// Set site
if (Controller::exists($url_parts[0], 'template')) {
$context['site'] = array_shift($url_parts);
}
if (isset($context['site'])) {
if ($context['site'] == \jmvc\View::$CONTEXT_DEFAULTS['site']) {
// block direct url for default site
\jmvc::do404();
}
} else {
$context['site'] = \jmvc\View::$CONTEXT_DEFAULTS['site'];
}
// Do not allow access to base class methods
if (method_exists('jmvc\\controller', $url_parts[0])) {
\jmvc::do404();
}
// Set template
if (method_exists('controllers\\' . $context['site'] . '\\Template', $url_parts[0])) {
$context['template'] = array_shift($url_parts);
}
if (isset($context['template'])) {
if ($context['template'] == \jmvc\View::$CONTEXT_DEFAULTS['template']) {
// block direct url for default template
\jmvc::do404();
}
} else {
$context['template'] = \jmvc\View::$CONTEXT_DEFAULTS['template'];
}
// Get controller
$possible_controller = str_replace('-', '_', $url_parts[0]);
if ($possible_controller == \jmvc\View::$CONTEXT_DEFAULTS['controller'] || $possible_controller == 'template') {
// block direct url for default controller
\jmvc::do404();
}
if (Controller::exists($context['site'], $possible_controller)) {
$context['controller'] = $possible_controller;
array_shift($url_parts);
}
if (!isset($context['controller'])) {
$context['controller'] = \jmvc\View::$CONTEXT_DEFAULTS['controller'];
}
// Get view
$possible_view = empty($url_parts) ? null : str_replace('-', '_', $url_parts[0]);
if ($possible_view == \jmvc\View::$CONTEXT_DEFAULTS['view']) {
// block direct url for default view
\jmvc::do404();
}
if (count($url_parts) && View::exists($context + array('view' => $possible_view), true)) {
$context['view'] = $possible_view;
array_shift($url_parts);
}
if (!isset($context['view'])) {
$context['view'] = \jmvc\View::$CONTEXT_DEFAULTS['view'];
}
}
}
self::trace('routing complete');
self::hook('post_routing', $context);
self::trace('post_routing hooks complete');
// Hand things off to the template controller
ob_start();
echo \jmvc\View::render(array_merge($context, array('controller' => 'template', 'view' => $context['template'])), array_merge($url_parts, array('context' => $context)));
self::hook('post_render', $context);
}
