protected function __construct(context $context)
{
$this->context = $context;
$envApplicationName = getenv('TXF_APPLICATION');
$this->gotNameFromEnvironment = !!$envApplicationName;
/*
* extract selected application and source
*/
// choose source of application/script selector
$frames = $context->getRequestedScriptUri($this->usedProxy);
if (empty($frames)) {
throw new http_exception(400, 'Request missing application. Check your setup!');
}
// extract information on application folder and name
if ($this->gotNameFromEnvironment) {
$this->name = $envApplicationName;
} else {
$this->name = array_shift($frames);
}
if ($this->name == 'txf') {
throw new http_exception(404, 'Requested application doesn\'t exist.');
}
// add some derived properties for conveniently addressing application
$this->pathname = path::glue($context->installationPathname, $this->name);
// find selected script's pathname and name
if (empty($frames)) {
$this->script = 'index.php';
} else {
$script = array();
while (count($frames)) {
$script[] = array_shift($frames);
$pathname = path::glue($this->pathname, implode('/', $script));
if (is_file($pathname)) {
break;
}
if (is_file("{$pathname}.php")) {
$script[] = array_pop($script) . '.php';
break;
}
}
$this->script = implode('/', $script);
}
// extract additional selectors to be available in script
if (txf::getContextMode() == txf::CTXMODE_REWRITTEN) {
$this->selectors = $frames;
} else {
$this->selectors = explode('/', $_SERVER['PATH_INFO']);
}
$urlDecodeSelector = !!getenv('TXF_URLDECODE_SELECTORS');
$this->selectors = array_map(function ($a) use($urlDecodeSelector) {
if ($urlDecodeSelector) {
$a = urldecode($a);
}
return data::autoType(trim($a));
}, $this->selectors);
// prepare application's base URL
if ($this->gotNameFromEnvironment) {
$this->url = $context->url;
} else {
$this->url = path::glue($context->url, $this->name);
}
}
