/**
* Destruct Class.
*
* @date 20091030 mute possible error with @ (in case destruct is called before ob is started)
* @author greg
* @version 1.0.1
* @return nothing
*
*/
public function __destruct()
{
// Flush.
PU_cleanBuffers(true);
}
/**
* Run default, custom or no template.
*
* @version 2.1.1
*
* @date 20120920 (v2.1.1) (greg) fixed a typo with $url
* @date 20120312 (v2.1) (greg) added loggin of access errors (404 and such)
* @date 20120223 (v2.0) (jason) rewrite
* @date 20110308 (v1.2) (greg) allows the new style controller to alter the current template to be used
* @date20100520 (v1.1) (greg) added merging with modules from the configuration array
*
* @author Jason Schoeman
*/
public function startController()
{
$this->setDefaultNodeParams();
try {
ob_start();
$this->db->startTransaction();
$this->executeController();
$this->db->endTransaction();
if (empty($this->data)) {
$this->data = ob_get_clean();
} else {
PU_cleanBuffers();
}
} catch (Exception $e) {
PU_cleanBuffers();
$this->themeFile = '';
if (is_a($e, 'PHPDS_accessException')) {
$logger = $this->factory('PHPDS_debug', 'PHPDS_accessException');
$url = $this->configuration['absolute_url'] . $_SERVER['REQUEST_URI'];
switch ($e->HTTPcode) {
case 401:
if (!PU_isAJAX()) {
$this->themeFile = 'login.php';
}
PU_silentHeader("HTTP/1.1 401 Unauthorized");
PU_silentHeader("Status: 401");
$logger->error('URL unauthorized: ' . $url, '401');
break;
case 404:
if (!PU_isAJAX()) {
$this->themeFile = '404.php';
}
PU_silentHeader("HTTP/1.1 404 Not Found");
PU_silentHeader("Status: 404");
$logger->error('URL not found: ' . $url, '404');
break;
case 403:
if (!PU_isAJAX()) {
$this->themeFile = '403.php';
}
PU_silentHeader("HTTP/1.1 403 Forbidden");
PU_silentHeader("Status: 403");
$logger->error('URL forbidden ' . $url, '403');
break;
case 418:
sleep(30);
// don't make spambot life live in the fast lane
if (!PU_isAJAX()) {
$this->themeFile = '418.php';
}
PU_silentHeader("HTTP/1.1 418 I'm a teapot and you're a spambot");
PU_silentHeader("Status: 418");
$logger->error('Spambot for ' . $url, '418');
break;
default:
throw $e;
}
} else {
throw $e;
}
}
// Only if we need a theme.
if (!empty($this->themeFile)) {
$this->loadTheme();
} else {
print $this->data;
}
}
/**
* Display an Exception
*
* This function will load a predefined template page (in PHP form) in order to warn the user something has gone wrong.
*
* If an exception is provided, it will be detailed as much as possible ; if not, only a generic message will be displayed
*
* @date 20100918
* @date 20120511 (v1.1) (greg) output is captured in case we want to save it
* @date 20120724 (v1.2) (greg) added "probable origin"
* @version 1.2
* @author greg <*****@*****.**>
*
* @return string the whole output
*
* @param Exception $e (optional) the exception to explain
* @param boolean $detailed whether the details should be displayed or replaced y a generic message
*/
public function showException(Exception $e = null, $detailed = true)
{
// we stop on the first unhandled error
$this->I_give_up = true;
if ($this->PHPDS_dependance()->isEmbedded()) {
return;
}
PU_cleanBuffers();
if (is_a($e, 'Exception')) {
$lineno = $e->getLine();
$filepath = $e->getFile();
$trace = is_a($e, 'PHPDS_exception') ? $e->getExtendedTrace() : $e->getTrace();
$ignore = is_a($e, 'PHPDS_exception') ? $e->getIgnoreLines() : -1;
$filefragment = PHPDS_backtrace::fetchCodeFragment($filepath, $lineno);
if (isset($trace[$ignore])) {
$frame = $trace[$ignore];
$framefragment = PHPDS_backtrace::fetchCodeFragment($frame['file'], $frame['line']);
} else {
$ignore = -1;
}
$message = $e->getMessage();
$code = $e->getCode();
$extendedMessage = is_a($e, 'PHPDS_exception') ? $e->getExtendedMessage() : '';
$config = $this->configuration;
if (!empty($config)) {
if (isset($config['config_files_used'])) {
$conf['used'] = PU_dumpArray($config['config_files_used']);
}
if (isset($config['config_files_missing'])) {
$conf['missing'] = PU_dumpArray($config['config_files_missing']);
}
}
$bt = PHPDS_backtrace::asHTML($ignore, $trace);
} else {
$message = "Unknown exception...";
$code = null;
}
// now use the theme's error page to format the actual display
$protocol = empty($_SERVER['HTTPS']) ? 'http://' : 'https://';
// Need this for absolute URL configuration to be sef safe.
$aurl = $protocol . $_SERVER['SERVER_NAME'] . str_replace('/index.php', '', $_SERVER['PHP_SELF']);
ob_start();
// Load error page: $e is the handled exception
require BASEPATH . 'themes/default/error.php';
$output = ob_get_clean();
if (!empty($this->crumbs)) {
$output = str_replace('<crumbs/>', implode("\n", $this->crumbs), $output);
}
if (PU_isAJAX()) {
// If the error occurred during an AJAX request, we'll send back a lightweight ouput
$message = $this->display ? "{$message} - file {$filepath} line {$lineno}" : 'Error Concealed - Disabled in config';
PU_silentHeader('Status: 500 ' . $message);
PU_silentHeader('HTTP/1.1 500 ' . $message);
print $message;
} else {
// for a regular request, we present a nicely formatted html page; if provided, an extended description of the error is displayed
if ($detailed) {
echo $output;
} else {
$message = '';
require BASEPATH . 'themes/default/error.php';
// $message being empty, only a genetic message is output
}
}
return $output;
}
/**
* Determines if the current request has been made by some kind of ajax call (i.e. XMLHttpRequest)
*
* @param boolean $json set to true if you want to force the request's result as json
* @return boolean
*
* @version 1.0.1
* @date 20110809 (v1.0.1) (greg) use PU_silentHeader to prevent unit tests from failing
* @author greg <*****@*****.**>
*/
function PU_isAJAX($json = false)
{
$ajax = !empty($_SERVER["HTTP_X_REQUESTED_WITH"]) && strtolower($_SERVER["HTTP_X_REQUESTED_WITH"] == 'XMLHttpRequest');
if ($ajax && $json) {
PU_cleanBuffers();
PU_silentHeader('Content-Type: application/json');
}
return $ajax;
}
/**
* Display an Exception
*
* This function will load a predefined template page (in PHP form) in order to warn the user something has gone wrong.
*
* If an exception is provided, it will be detailed as much as possible ; if not, only a generic message will be displayed
*
* @date 20100918
* @date 20120511 (v1.1) (greg) output is captured in case we want to save it
* @version 1.1
* @author greg
*
* @return string the whole output
*
* @param Exception $e (optional)
*/
public function showException(Exception $e = null, $display = true)
{
// we stop on the first unhandled error
$this->I_give_up = true;
if ($this->PHPDS_dependance()->isEmbedded()) {
return;
}
PU_cleanBuffers();
if (is_a($e, 'Exception')) {
$lineno = $e->getLine();
$filepath = $e->getFile();
$trace = is_a($e, 'PHPDS_exception') ? $e->getExtendedTrace() : $e->getTrace();
$ignore = is_a($e, 'PHPDS_exception') ? $e->getIgnoreLines() : 1;
$filefragment = PHPDS_backtrace::fetchCodeFragment($filepath, $lineno);
$message = $e->getMessage();
$extendedMessage = is_a($e, 'PHPDS_exception') ? $e->getExtendedMessage() : '';
$config = $this->configuration;
if (!empty($config)) {
if (isset($config['config_files_used'])) {
$conf['used'] = PU_dumpArray($config['config_files_used']);
}
if (isset($config['config_files_missing'])) {
$conf['missing'] = PU_dumpArray($config['config_files_missing']);
}
}
$bt = PHPDS_backtrace::asHTML($ignore, $trace);
}
$protocol = empty($_SERVER['HTTPS']) ? 'http://' : 'https://';
// Need this for absolute URL configuration to be sef safe.
$aurl = $protocol . $_SERVER['SERVER_NAME'] . str_replace('/index.php', '', $_SERVER['PHP_SELF']);
ob_start();
// Load error page: $e is the handled exception
require_once BASEPATH . 'themes/cloud/error.php';
$output = ob_get_clean();
if ($display) {
echo $output;
}
return $output;
}
