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<?php
/**
* Web Server HTTP status code response test
*
* For PHP applications that run on a web server that intercepts all
* fast-cgi errors with the appropriate Http error template response. This program
* will run through given HTTP error response codes.
*
* @author Thedro Neely <thedroneely@gmail.com>
*
* @copyright Copyright 2018, Thedro Neely.
* @license https://github.com/tdro
* @link https://github.com/tdro
*/
declare(strict_types=1);
$path = $_SERVER['DOCUMENT_ROOT'];
$errorJsonFile = $path . '/error/error.json';
$errorFile = $path . '/error/error.html';
$debug = true;
$errorList = [
400, 401, 402, 403, 404, 405, 406, 407, 408, 409,
410, 411, 412, 413, 414, 415, 416, 417, 418, 421,
422, 423, 424, 426, 428, 429, 431, 451, 500, 501,
502, 503, 504, 505, 511, 520, 522, 524
];
$parameters = [
'HttpResponseCode' => (int) $errorList[0],
'Run' => (int) 1,
];
/**
* Functions
*/
function read($file) {
return json_decode(file_get_contents($file), true);
}
function write($file, $json) {
file_put_contents($file, json_encode($json), 0);
}
function debug ($message, $debug) {
if ($debug) {
echo '<pre>' . $message . '</pre>';
}
}
/**
* Inline CSS styling
*/
echo '
<style>
pre {
background-color: black;
color: white;
max-width: 20em;
padding: 0.5em;
z-index: 10;
}
form { z-index: 10; }
</style>
';
/**
* Forms
*/
if (isset($_POST["stop"])) {
$parameters['Run'] = 0;
}
if (isset($_POST["start"])) {
$parameters['Run'] = 1;
}
if ($parameters['Run'] === 1) {
echo '
<form action="/error/error.html" method="post" id="stop">
<input type="hidden" name="stop" value=stop>
</form>
<button type="submit" form="stop">Stop</button>
';
}
if ($parameters['Run'] === 0) {
echo '
<form action="/error/error.html" method="post" id="start">
<input type="hidden" name="start" value=start>
</form>
<form action="/error/error.html" method="post" id="previous">
<input type="hidden" name="previous" value=previous>
</form>
<form action="/error/error.html" method="post" id="next">
<input type="hidden" name="next" value=next>
</form>
<button type="submit" form="start">Start</button>
<button type="submit" form="previous"><</button>
<button type="submit" form="next">></button>
';
}
/**
* Json File
*/
if (!file_exists($errorJsonFile)) {
debug('Socket file does not exist. Creating...', $debug);
write($errorJsonFile, $parameters);
if (!file_exists($errorJsonFile)) {
debug('Socket file creation failed!', $debug);
return;
}
}
/**
* Error Code and Array Keys
*/
$getError = read($errorJsonFile)['HttpResponseCode'];
debug('Current Error Code: ' . $getError . '<br>', $debug);
$currentErrorKey = array_search($getError, $errorList);
$nextErrorKey = $currentErrorKey + 1;
$getErrorTotal = count($errorList) - 1;
debug('Error List Count: ' . ($currentErrorKey + 1) . '/' . ($getErrorTotal + 1), $debug);
/**
* Error Run
*/
if ($nextErrorKey <= $getErrorTotal) {
if ($parameters['Run'] === 1) {
echo '<meta http-equiv="refresh" content="1; url=/error/error.html">';
}
foreach ($parameters as $parameter) {
$parameters['HttpResponseCode'] = $errorList[$nextErrorKey];
}
write($errorJsonFile, $parameters);
var_dump(read($errorJsonFile));
var_dump($_POST);
/**
* Send HTTP response code
*/
http_response_code((int) $getError);
return;
}
write($errorJsonFile, $parameters);
debug('Error run completed.', $debug);
var_dump($parameters);
/**
* Http Response Template Files
*/
$http_response_status = [
400 => "Bad Request",
401 => "Unauthorized",
402 => "Payment Required",
403 => "Forbidden",
404 => "Not Found",
405 => "Method Not Allowed",
406 => "Not Acceptable",
407 => "Proxy Authentication Required",
408 => "Request Timeout",
409 => "Conflict",
410 => "Gone",
411 => "Length Required",
412 => "Precondition Failed",
413 => "Payload Too Large",
414 => "Requested URI Too Long",
415 => "Unsupported Media Type",
416 => "Requested Range Not Satisfiable",
417 => "Expectation Failed",
418 => "I'm a teapot",
421 => "Misdirected Request",
422 => "Unprocessable Entity",
423 => "Locked",
424 => "Failed Dependency",
426 => "Upgrade Required",
428 => "Precondition Required",
429 => "Too Many Requests",
431 => "Request Header Fields Too Large",
444 => "Connection Closed Without Response",
451 => "Unavailable For Legal Reasons",
500 => "Internal Server Error",
501 => "Not Implemented",
502 => "Bad Gateway",
503 => "Service Unavailable",
504 => "Gateway Timeout",
505 => "HTTP Version Not Supported",
506 => "Variant Also Negotiates",
507 => "Insufficient Storage",
508 => "Loop Detected",
510 => "Not Extended",
511 => "Network Authentication Required",
];
// var_dump($http_response_status);
// echo key($http_response_status);
?>
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