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Add Whoops exception handler (nicer debug info in dev mode)

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On production = no errors
This commit is contained in:
slawkens
2023-05-29 08:55:26 +02:00
parent 7690811da3
commit 7c2c88f780
7 changed files with 15 additions and 127 deletions
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50
system/exception.php
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@@ -1,54 +1,20 @@
<?php
/**
* Exception handler
* Whoops exception handler
*
* @package MyAAC
* @author Slawkens <slawkens@gmail.com>
* @copyright 2023 MyAAC
* @link https://my-aac.org
*/
require LIBS . 'SensitiveException.php';
/**
* @param Exception $exception
*/
function exception_handler($exception) {
$message = $exception->getMessage();
if($exception instanceof SensitiveException) {
$message = 'This error is sensitive and has been logged into ' . LOGS . 'error.log.<br/>View this file for more information.';
$whoops = new \Whoops\Run;
// log error to file
$f = fopen(LOGS . 'error.log', 'ab');
if(!$f) {
$message = 'We wanted to save detailed informations about this error, but file: ' . LOGS . "error.log couldn't be opened for writing.. so the detailed information couldn't be saved.. are you sure directory system/logs is writable by web server? Correct this, and then refresh this site.";
}
else {
fwrite($f, '[' . date(DateTime::RFC1123) . '] ' . $exception->getMessage() . PHP_EOL);
fclose($f);
}
}
$backtrace_formatted = nl2br($exception->getTraceAsString());
// display basic error message without template
// template is missing, why? probably someone deleted templates dir, or it wasn't downloaded right
$template_file = SYSTEM . 'templates/exception.html.twig';
if(!file_exists($template_file)) {
echo 'Something went terribly wrong..<br/><br/>';
echo "$message<br/><br/>";
echo 'Backtrace:<br>';
echo $backtrace_formatted;
return;
}
// display beautiful error message
// the file is .twig.html, but its not really parsed by Twig
// we just replace some values manually
// cause in case Twig throws exception, we can show it too
$content = file_get_contents($template_file);
$content = str_replace(array('{{ BASE_URL }}', '{{ exceptionClass }}', '{{ message }}', '{{ backtrace }}', '{{ powered_by }}'), array(BASE_URL, get_class($exception), $message, $backtrace_formatted, base64_decode('UG93ZXJlZCBieSA8YSBocmVmPSJodHRwOi8vbXktYWFjLm9yZyIgdGFyZ2V0PSJfYmxhbmsiPk15QUFDLjwvYT4=')), $content);
echo $content;
if(IS_CLI) {
$whoops->pushHandler(new \Whoops\Handler\PlainTextHandler);
}
else {
$whoops->pushHandler(new \Whoops\Handler\PrettyPageHandler);
}
set_exception_handler('exception_handler');
$whoops->register();