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Use Whoops only if installed, otherwise use myaac exception handler

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This commit is contained in:
slawkens 2023-06-02 15:20:07 +02:00
parent 0f30ebbcea
commit 48822b6561
4 changed files with 143 additions and 9 deletions
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4
composer.json
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@ -11,7 +11,9 @@
"twig/twig": "^2.0",
"erusev/parsedown": "^1.7",
"nikic/fast-route": "^1.3",
"matomo/device-detector": "^6.0",
"matomo/device-detector": "^6.0"
},
"require-dev": {
"filp/whoops": "^2.15"
}
}

66
system/exception.php
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@ -1,6 +1,6 @@
<?php
/**
* Whoops exception handler
* Exception handler
*
* @package MyAAC
* @author Slawkens <slawkens@gmail.com>
@ -8,13 +8,63 @@
* @link https://my-aac.org
*/
$whoops = new \Whoops\Run;
if (class_exists(\Whoops\Run::class)) {
$whoops = new \Whoops\Run;
if(IS_CLI) {
$whoops->pushHandler(new \Whoops\Handler\PlainTextHandler);
}
else {
$whoops->pushHandler(new \Whoops\Handler\PrettyPageHandler);
}
if(IS_CLI) {
$whoops->pushHandler(new \Whoops\Handler\PlainTextHandler);
}
else {
$whoops->pushHandler(new \Whoops\Handler\PrettyPageHandler);
$whoops->register();
return;
}
$whoops->register();
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.';
// 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());
$message = $message . "<br/><br/>File: {$exception->getFile()}<br/>Line: {$exception->getLine()}";
// 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;
}
set_exception_handler('exception_handler');

3
system/libs/SensitiveException.php Normal file
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@ -0,0 +1,3 @@
<?php
class SensitiveException extends Exception {}

79
system/templates/exception.html.twig Normal file
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@ -0,0 +1,79 @@
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Something went wrong...</title>
<meta name="description" content="myaac">
<meta name="generator" content="MyAAC">
<link rel="stylesheet" href="tools/css/messages.css">
<link rel="shortcut icon" href="images/error.ico">
<base href="{{ BASE_URL }}" />
<style>
body{
background-color: #e3e7ed;
font-family: Verdana, Geneva, sans-serif;
}
.center {
height: 500px;
position: absolute;
top:0;
bottom: 0;
left: 0;
right: 0;
margin: auto;
}
.wide{
min-width: 350px;
max-width: 350px;
}
.big{
font-size: 20px!important;
}
#footer {
position: absolute;
bottom: 15px;
width: 100%;
border-top: 1px solid #eee;
text-align: center;
color: #555;
}
#footer p {
text-align: center;
}
.error {
font-weight: normal;
font-size: 12px;
}
</style>
<!--[if lt IE 9]>
<script src="tools/js/html5shiv.min.js"></script>
<![endif]-->
</head>
<body>
<div class="center wide">
<h2 class="wide">Whoops something went wrong...</h2>
<div class="error wide">
Exception class: {{ exceptionClass }}()
<br/><br/>
{{ message }}
<br/><br/><br/>
<b>Backtrace:</b><br/><br/>
{{ backtrace }}
</div>
</div>
<div id="footer">
<p>{{ powered_by }}</p>
</div>
</body>
</html>