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ErrorHandler.php
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<?php
/**
* Beautiful Error Handler for Webby
*
* Forked From https://github.com/brqt/
*
* @author Kwame Oteng Appiah-Nti <[email protected]>
* @link https://github.com/sylynder/error-handler
* @license MIT
*
*/
class ErrorHandler
{
/**
* Error constants to check
*/
private const ERRORS = E_ALL & ~E_NOTICE;
/**
* For plates template engine
*
* @var string
*/
private $evaluatedFile = '';
public function __construct()
{
\register_shutdown_function([$this, 'checkForFatal']);
\set_error_handler([$this, 'logError'], self::ERRORS);
\set_exception_handler([$this, 'logException']);
}
/**
* Check for Fatal Errors
*
* @return void
*/
public function checkForFatal()
{
$error = error_get_last();
if (isset($error) && ($error['type'] & (E_ERROR | E_PARSE | E_CORE_ERROR | E_CORE_WARNING | E_COMPILE_ERROR | E_COMPILE_WARNING)))
{
$this->logError($error["type"], $error["message"], $error["file"], $error["line"]);
}
}
/**
* Log Error Output
*
* @param string|int $num
* @param string $str
* @param string $file
* @param string $line
* @param mixed $context
* @return void
*/
public function logError($num, $str, $file, $line, $context = null)
{
get_instance()->load->library('session');
if ($this->checkEvaluated($file)) {
$this->evaluatedFile = get_instance()
->session
->userdata('__view_path');
}
if ($this->evaluatedFile) {
$file = $this->evaluatedFile;
}
$_error = & load_class('Exceptions', 'core');
$_error->log_exception($num, $str, $file, $line);
$this->logException(new \ErrorException($str, 0, $num, $file, $line));
}
/**
* Log Exception Output
*
* @param mixed $e
* @return void
*/
public function logException($e)
{
if ($this->checkEvaluated($e->getFile())) {
$this->evaluatedFile = get_instance()
->session
->userdata('__view_path');
}
$file = ($this->evaluatedFile) ? $this->evaluatedFile : $e->getFile();
$line = $e->getLine();
$message = $e->getMessage();
$_error = & load_class('Exceptions', 'core');
$_error->log_exception('error', 'Exception: ' . $message, $file, $line);
$trace = '';
$traceArr = $e->getTrace();
foreach ($traceArr as $key => $traced) {
if (!array_key_exists('line', $traced) || !array_key_exists('file', $traced)) continue;
$trace .= '<tr>';
$trace .= '<td>' . $traced['line'] . '</td>';
$trace .= '<td>' . $traced['file'] . '</td>';
$trace .= '<td>' . (!array_key_exists('class', $traced) ? '' : $traced['class']) . '</td>';
$trace .= '<td>' . (!array_key_exists('function', $traced) ? '' : $traced['function']) . '</td>';
$trace .= '</tr>';
}
$extra = '';
try {
$extraArr = $e->getExtra();
foreach ($extraArr as $key => $value)
{
$extra .= '<tr>';
$extra .= '<td>' . $key . '</td>';
$extra .= '<td>' . $value . '</td>';
$extra .= '</tr>';
}
} catch(\Throwable $th) {}
$code = '';
try {
$i = 0;
$iline = 0;
$line_start = (int) $e->getLine() - 10;
if ($line_start < 0) {
$line_start = 0;
}
if (!$this->evaluatedFile) {
$source = file($file);
$source = array_slice($source, $line_start > 1 ? $line_start - 1 : $line_start, 20);
foreach ($source as $key => $line) {
$line_number = $line_start + $key;
$class = ($e->getLine() == $line_number) ? 'bg-danger' : '';
$class2 = in_array($line_number, [$e->getLine() - 1, $e->getLine() + 1]) ? 'bg-danger2' : '';
$code .= "\n<tr class=\"{$class}\">";
$code .= "\n<td class=\"code-line_number\">" . $line_number . '</td>';
$code .= "\n<td class=\"{$class2}\">" . $this->highlight($line) . '</td>';
$code .= "\n</tr>";
}
}
if ($this->evaluatedFile) {
$source = file($file);
$source = array_slice($source, $line_start > 1 ? $line_start - 1 : $line_start, 20);
foreach ($source as $key => $line) {
$line_number = $line_start + $key;
$class = ($e->getLine() == $line_number) ? 'bg-danger' : '';
$class2 = in_array($line_number, [$e->getLine() - 1, $e->getLine() + 1]) ? 'bg-danger2' : '';
$code .= "\n<tr class=\"{$class}\">";
$code .= "\n<td class=\"code-line_number\">" . $line_number . '</td>';
$code .= "\n<td class=\"{$class2}\">" . $this->highlight($line) . '</td>';
$code .= "\n</tr>";
}
get_instance()
->session
->unset_userdata('__view_path');
$this->evaluatedFile = '';
}
} catch(\Throwable $th) {}
$html = $this->getHtml();
$values = [
'{title}' => 'Webby Error',
'{message}' => $e->getMessage(),
'{class}' => get_class($e),
'{file}' => $file,
'{line}' => $e->getLine(),
'{uri}' => $this->getUrl(),
'{trace}' => $trace,
'{extra}' => $extra,
'{code}' => $code,
'{extra_status}' => $extra ? '' : 'hide',
];
print str_replace(array_keys($values) , $values, $html);
exit;
}
private function checkEvaluated($file)
{
$evaluated = false;
if (strpos($file , "eval()'d code") !== false) {
$evaluated = true;
}
return $evaluated;
}
/**
* Get Url
*
* @return string
*/
private function getUrl()
{
$protocol = (isset($_SERVER['HTTPS']) && @$_SERVER['HTTPS'] == 'on') ? 'https' : 'http';
return $protocol . '://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];
}
/**
* Highlight Code Output
*
* @param string $code
* @return string
*/
private function highlight(string $code)
{
$code = str_replace("\n", "", $code);
$code = htmlspecialchars($code, ENT_QUOTES, 'UTF-8', true);
$code = preg_replace("/("(.*)")/ui", "<span class=\"code-string\">$1</span>", $code);
$code = preg_replace("/('(.*)')/ui", "<span class=\"code-string\">$1</span>", $code);
$code = preg_replace("/(if|for|switch|elseif|while|foreach)(\s*\()/ui", "<span class=\"code-core\">$1</span>$2", $code);
$code = preg_replace("/((function|public|class|private|const|use|namespace|throw|new|require_once|require|include|include_once)\s+)/ui", "<span class=\"code-core\">$1</span>", $code);
$code = preg_replace("/((null|true|false|else|continue|break|self::|self|static::|static|\$this)\s*)/ui", "<span class=\"code-core\">$1</span>", $code);
$code = preg_replace("/((echo|return|extends|implements|protected)\s+)/ui", "<span class=\"code-core\">$1</span>", $code);
$code = preg_replace("/([a-z_]+[a-z_0-9]*\s*)(\()/ui", "<span class=\"code-func\">$1</span>$2", $code);
$code = preg_replace("/([a-z_]+\s*)(\()/ui", "<span class=\"code-func\">$1</span>$2", $code);
$code = preg_replace("/(->)([a-z]+[a-z0-9_]*)/ui", "$1<span class=\"code-variable\">$2</span>", $code);
$code = preg_replace("/(\\$([a-z_]+[a-z0-9_]*))/ui", "<span class=\"code-variable\">$1</span>", $code);
$code = preg_replace("/(\)|\(|\}|\{)/ui", "<span class=\"code-brace\">$1</span>", $code);
$code = preg_replace("/(\]|\[)/ui", "<span class=\"code-arr\">$1</span>", $code);
$code = preg_replace("/((\/|\s)\*+(.*))/ui", "<span class=\"code-comment\">$1</span>", $code);
$code = preg_replace("/^(\*+(.*))/ui", "<span class=\"code-comment\">$1</span>", $code);
$code = preg_replace("/(\/\/(.*)$)/ui", "<span class=\"code-comment\">$1</span>", $code);
return $code;
}
/**
* Get Html Output
*
* @return string
*/
private function getHtml()
{
return '
<!DOCTYPE html>
<html lang="ar">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Handle - {title}</title>
<link href="https://fonts.googleapis.com/css?family=Nunito|Courier+Prime|Inconsolata&display=swap" rel="stylesheet">
<style>
.code-comment,
.code-comment * {
color: #666 !important;
}
.code-line_number {
color: #555;
background: #2c3136;
min-width: 10px;
user-select: none;
text-align: center;
}
.code-string *,
.code-string {
color: #76B256;
}
.code-core {
color: #DB7C33;
}
.code-func {
color: #F0C65F;
}
.code-variable *,
.code-variable {
color: inherit;
color: #BA8ECE;
}
.code-brace {
color: #DA70D6;
}
.code-arr {
color: #96f9fe;
}
* {
box-sizing: border-box;
}
body {
background-color: #EFEEF5;
color: #666;
font-family: \'Nunito\', sans-serif;
font-size: 15px;
}
a,
a:link,
a:visited,
a:active {
color: #99c4d0;
text-decoration: underline;
}
#error-box,
#trace-box,
#code-box {
border-radius: 5px;
border:2px solid #48049c;
display: block;
margin: 25px auto;
width: 60%;
min-width: 70vw;
background-color: #fff;
padding: 10px;
box-shadow: 0 .15rem 1.75rem 0 rgba(58, 59, 69, .15) !important;
}
.title {
margin-top: -5px;
margin-right: -5px;
margin-left: -5px;
padding: 10px;
background-color: #f9f9f9;
display: flex;
flex-direction: column;
}
p {
padding: 5px 20px;
}
.bg-danger td:first-of-type {
background-color: #ce0000 !important;
color: #f0f0f0;
position: relative;
}
.bg-danger td:first-of-type:after {
position: absolute;
right: -16px;
top: 0;
content: "";
width: 0;
height: 1px;
border-width: 8px;
border-color: #ce0000;
border-style: solid;
border-top-color: transparent;
border-bottom-color: transparent;
border-right-color: transparent;
}
.bg-danger {
background-color: rgba(255, 100, 100, .15) !important;
color: #f0f0f0;
}
.bg-danger2 {
background-color: rgba(255, 100, 100, .05) !important;
color: #f0f0f0;
}
.small {
font-size: 11px;
color: #999;
padding: 5px 10px;
}
.file-line {
padding: 5px 0;
color: #aaa;
font-size: 13px;
font-weight: normal;
}
#rights {
display: block;
margin: 5px auto 20px auto;
text-align: center;
font-size: 12px;
color: #888;
}
#rights,
#rights a {
color: #888;
}
.overflow {
overflow-x: auto;
padding-bottom: 15px;
}
#trace-box .title {
color: #999;
border-bottom: 2px solid #a0a4fc;
}
#code-box pre {
padding: 0 !important;
margin: 0 !important;
font-family: \'Inconsolata\', \'Courier Prime\', monospace;
color: #ccc;
font-size: 12px !important;
background-color: #23272C;
border-radius: 5px;
}
#code-box .title2 {
background-color: #23272C;
border-radius: 5px;
padding: 10px;
color: #eee;
margin: 0 0 10px 0;
}
#code-box pre ::selection {
background: #999 !important;
}
#code-box table {
border-collapse: collapse;
}
#code-box table td:nth-of-type(2) {
padding-left: 15px;
}
#code-box {
background-color: #fff;
padding: 10px;
}
table {
width: 100%;
}
table td {
padding: 2px 5px;
}
table thead td {
background-color: #f0f0f0;
}
table.table tbody tr:nth-child(even) {
background-color: #f9f9f9;
}
.hide {
display: none !important;
}
.bordered {
background-color: #fefefe;
border: 1px solid #eee;
}
.extraInfo {
margin: 10px 20px;
}
.extraInfo *:not(h3) {
font-size: 13px;
}
.extraInfo thead td {
padding: 0;
}
.extraInfo .title {
margin: 0;
}
</style>
</head>
<body>
<div id="error-box">
<h3 class="title">
<span>{class} </span>
<span class="file-line">{file} : {line}</span>
</h3>
<p>{message}</p>
<div class="{extra_status} overflow bordered extraInfo">
<table class="table">
<thead>
<tr>
<td colspan="2">
<h3 class="title">Extra info</h3>
</td>
</tr>
</thead>
<tbody>
{extra}
</tbody>
</table>
</div>
<div class="small">{uri}</div>
</div>
<div id="code-box">
<h3 class="title2">
<span>Code</span>
<span class="file-line">{file}:{line} | </span>
<a href="vscode://file/{file}:{line}"><span class="file-line">Open in VSCode</span></a>
</h3>
<pre class="overflow"><table>
<tbody>
<tr><td class="code-line_number"> </td><td> </td</tr>
{code}
<tr><td class="code-line_number"> </td><td> </td</tr>
</tbody>
</table></pre>
</div>
<div id="trace-box">
<h3 class="title">Trace</span></h3>
<div class="overflow">
<table class="table">
<thead>
<tr>
<td>Line</td>
<td>File</td>
<td>Class</td>
<td>Function</td>
</tr>
</thead>
<tbody>
{trace}
</tbody>
</table>
</div>
</div>
<div id="rights">
Webby Error Handler By:
<a target="_blank" href="https://github.com/sylynder/error-handler">
Sylynder © <script>document.write((new Date).getFullYear())</script>
</a>
</div>
</body>
</html>
';
}
}