Moves the PHP class to it's own file, adds some more information on status codes, increases the glitz factor
This commit is contained in:
parent
ad542cf940
commit
8f3f4e65e1
GPG Key ID:
FC09694A000800C8
182
class.php
Normal file
182
class.php
Normal file
@ -0,0 +1,182 @@
|
||||
<?php
|
||||
class RedirectCheck
|
||||
{
|
||||
// constants
|
||||
const USER_AGENT = "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36";
|
||||
const ERROR_CURL_INIT = "Couldn't initialize a cURL handle";
|
||||
const ERROR_CURL_CODE = "Could not curl_getinfo the HTTP code";
|
||||
const ERROR_CURL_REDIRECT = "Could not curl_getinfo the redirect URL";
|
||||
|
||||
// properties
|
||||
public string $url;
|
||||
public string $next;
|
||||
public int $code;
|
||||
public int $step;
|
||||
public bool $redirect;
|
||||
public array $path;
|
||||
public array $error;
|
||||
|
||||
// constructor
|
||||
public function __construct(string $url)
|
||||
{
|
||||
$this->url = $url;
|
||||
$this->next = '';
|
||||
$this->code = 0;
|
||||
$this->step = 1;
|
||||
$this->redirect = false;
|
||||
$this->error = [];
|
||||
$this->path[$this->step] = [
|
||||
'step' => $this->step,
|
||||
'url' => $this->url,
|
||||
'code' => null,
|
||||
'next' => null ];
|
||||
}
|
||||
|
||||
// create an error message
|
||||
private function setError(array $error): void
|
||||
{
|
||||
$this->error = $error;
|
||||
}
|
||||
|
||||
// add an entry to the URL path
|
||||
private function addPath(int $step, array $path): void
|
||||
{
|
||||
$this->path[$step] = $path;
|
||||
}
|
||||
|
||||
// update a path entry
|
||||
public function updatePath(int $step, string $key, string $value): void
|
||||
{
|
||||
$this->path[$step][$key] = $value;
|
||||
}
|
||||
|
||||
// create a curl request for a URL
|
||||
public function getHttpCode()
|
||||
{
|
||||
// initate curl request
|
||||
$ch = curl_init();
|
||||
if (!$ch) {
|
||||
$this->setError = ['type' => 'curl', 'message' => self::ERROR_CURL_INIT];
|
||||
return false;
|
||||
}
|
||||
|
||||
// set request headers and execute
|
||||
$response = curl_setopt($ch, CURLOPT_URL, $this->url);
|
||||
$response = curl_setopt($ch, CURLOPT_HEADER, true); // enable this for debugging
|
||||
$response = curl_setopt($ch, CURLOPT_HTTPGET, true); // redundant but making sure it's a GET
|
||||
$response = curl_setopt($ch, CURLOPT_NOBODY, false); // settings this to true was returning 405s
|
||||
$response = curl_setopt($ch, CURLOPT_FOLLOWLOCATION, false);
|
||||
$response = curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); // return output instead of going to screen
|
||||
$response = curl_setopt($ch, CURLOPT_TIMEOUT, 60);
|
||||
$response = curl_setopt($ch, CURLOPT_USERAGENT, self::USER_AGENT);
|
||||
$response = curl_exec($ch);
|
||||
|
||||
// check for a response
|
||||
if (empty($response))
|
||||
{
|
||||
$this->setError(['type' => 'curl', 'message' => curl_error($ch)]);
|
||||
curl_close($ch);
|
||||
}
|
||||
else
|
||||
{
|
||||
// get the http status code
|
||||
if (curl_getinfo($ch, CURLINFO_HTTP_CODE))
|
||||
{
|
||||
$code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
|
||||
$this->code = ($code) ? $code : 0;
|
||||
if ($code == 200) {
|
||||
$this->updatePath($this->step, 'code', $this->code);
|
||||
return true;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
$this->code = 0;
|
||||
$this->setError(['type' => 'curl', 'message' => self::ERROR_CURL_CODE]);
|
||||
return false;
|
||||
}
|
||||
|
||||
// get any redirect url to follow next
|
||||
if (curl_getinfo($ch, CURLINFO_REDIRECT_URL))
|
||||
{
|
||||
$next = curl_getinfo($ch, CURLINFO_REDIRECT_URL);
|
||||
$this->redirect = ($next) ? true : false;
|
||||
$this->next = ($next) ? $next : '';
|
||||
}
|
||||
else
|
||||
{
|
||||
$this->redirect = false;
|
||||
$this->next = '';
|
||||
}
|
||||
|
||||
// close the session
|
||||
curl_close($ch);
|
||||
|
||||
// update the current path
|
||||
$this->updatePath($this->step, 'code', $this->code);
|
||||
$this->updatePath($this->step, 'next', $this->next);
|
||||
|
||||
// start the next path
|
||||
$this->step++;
|
||||
$this->addPath(
|
||||
$this->step,
|
||||
[
|
||||
'step' => $this->step,
|
||||
'url' => $this->next,
|
||||
'code' => null,
|
||||
'next' => null
|
||||
]);
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
// return false if we get here
|
||||
return false;
|
||||
}
|
||||
|
||||
// get the final URL redirect
|
||||
public function getFinalRedirect(): string
|
||||
{
|
||||
$last = end($this->path);
|
||||
return $last['url'];
|
||||
}
|
||||
}
|
||||
|
||||
// handle form submissions
|
||||
if (isset($_POST['url']))
|
||||
{
|
||||
// check that we got a valid URL
|
||||
$url = (filter_var(trim($_POST['url']), FILTER_VALIDATE_URL))
|
||||
? trim($_POST['url'])
|
||||
: false;
|
||||
|
||||
// if so, start up the redirect checks
|
||||
if ($url)
|
||||
{
|
||||
// make a request for this url and add to the path
|
||||
$request = new RedirectCheck($url);
|
||||
$code = '';
|
||||
|
||||
do {
|
||||
// set the URL
|
||||
$request->url = $url;
|
||||
|
||||
// make the curl request and update the path
|
||||
$request->getHttpCode();
|
||||
|
||||
// end on an error
|
||||
if ($request->error)
|
||||
{
|
||||
break;
|
||||
}
|
||||
|
||||
// if we have a redirect to follow, update our working $url
|
||||
$url = ($request->next) ? $request->next : false;
|
||||
|
||||
// update our code
|
||||
$code = ($request->code) ? $request->code : false;
|
||||
|
||||
} while ($code != 200);
|
||||
}
|
||||
}
|
||||
?>
|
||||
260
index.php
260
index.php
@ -1,187 +1,6 @@
|
||||
<?php
|
||||
|
||||
class RedirectCheck
|
||||
{
|
||||
// constants
|
||||
const USER_AGENT = "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36";
|
||||
const ERROR_CURL_INIT = "Couldn't initialize a cURL handle";
|
||||
const ERROR_CURL_CODE = "Could not curl_getinfo the HTTP code";
|
||||
const ERROR_CURL_REDIRECT = "Could not curl_getinfo the redirect URL";
|
||||
|
||||
// properties
|
||||
public string $url;
|
||||
public string $next;
|
||||
public int $code;
|
||||
public int $step;
|
||||
public bool $redirect;
|
||||
public array $path;
|
||||
public array $error;
|
||||
|
||||
// constructor
|
||||
public function __construct(string $url)
|
||||
{
|
||||
$this->url = $url;
|
||||
$this->next = '';
|
||||
$this->code = 0;
|
||||
$this->step = 1;
|
||||
$this->redirect = false;
|
||||
$this->error = [];
|
||||
$this->path[$this->step] = [
|
||||
'step' => $this->step,
|
||||
'url' => $this->url,
|
||||
'code' => null,
|
||||
'next' => null ];
|
||||
}
|
||||
|
||||
// create an error message
|
||||
private function setError(array $error): void
|
||||
{
|
||||
$this->error = $error;
|
||||
}
|
||||
|
||||
// add an entry to the URL path
|
||||
private function addPath(int $step, array $path): void
|
||||
{
|
||||
$this->path[$step] = $path;
|
||||
}
|
||||
|
||||
// update a path entry
|
||||
public function updatePath(int $step, string $key, string $value): void
|
||||
{
|
||||
$this->path[$step][$key] = $value;
|
||||
}
|
||||
|
||||
// create a curl request for a URL
|
||||
public function getHttpCode()
|
||||
{
|
||||
// initate curl request
|
||||
$ch = curl_init();
|
||||
if (!$ch) {
|
||||
$this->setError = ['type' => 'curl', 'message' => self::ERROR_CURL_INIT];
|
||||
return false;
|
||||
}
|
||||
|
||||
// set request headers and execute
|
||||
$response = curl_setopt($ch, CURLOPT_URL, $this->url);
|
||||
$response = curl_setopt($ch, CURLOPT_HEADER, true); // enable this for debugging
|
||||
$response = curl_setopt($ch, CURLOPT_HTTPGET, true); // redundant but making sure it's a GET
|
||||
$response = curl_setopt($ch, CURLOPT_NOBODY, false); // settings this to true was returning 405s
|
||||
$response = curl_setopt($ch, CURLOPT_FOLLOWLOCATION, false);
|
||||
$response = curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); // return output instead of going to screen
|
||||
$response = curl_setopt($ch, CURLOPT_TIMEOUT, 60);
|
||||
$response = curl_setopt($ch, CURLOPT_USERAGENT, self::USER_AGENT);
|
||||
$response = curl_exec($ch);
|
||||
|
||||
// check for a response
|
||||
if (empty($response))
|
||||
{
|
||||
$this->setError(['type' => 'curl', 'message' => curl_error($ch)]);
|
||||
curl_close($ch);
|
||||
}
|
||||
else
|
||||
{
|
||||
// get the http status code
|
||||
if (curl_getinfo($ch, CURLINFO_HTTP_CODE))
|
||||
{
|
||||
$code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
|
||||
$this->code = ($code) ? $code : 0;
|
||||
if ($code == 200) {
|
||||
$this->updatePath($this->step, 'code', $this->code);
|
||||
return true;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
$this->code = 0;
|
||||
$this->setError(['type' => 'curl', 'message' => self::ERROR_CURL_CODE]);
|
||||
return false;
|
||||
}
|
||||
|
||||
// get any redirect url to follow next
|
||||
if (curl_getinfo($ch, CURLINFO_REDIRECT_URL))
|
||||
{
|
||||
$next = curl_getinfo($ch, CURLINFO_REDIRECT_URL);
|
||||
$this->redirect = ($next) ? true : false;
|
||||
$this->next = ($next) ? $next : '';
|
||||
}
|
||||
else
|
||||
{
|
||||
$this->redirect = false;
|
||||
$this->next = '';
|
||||
}
|
||||
|
||||
// close the session
|
||||
curl_close($ch);
|
||||
|
||||
// update the current path
|
||||
$this->updatePath($this->step, 'code', $this->code);
|
||||
$this->updatePath($this->step, 'next', $this->next);
|
||||
|
||||
// start the next path
|
||||
$this->step++;
|
||||
$this->addPath(
|
||||
$this->step,
|
||||
[
|
||||
'step' => $this->step,
|
||||
'url' => $this->next,
|
||||
'code' => null,
|
||||
'next' => null
|
||||
]);
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
// return false if we get here
|
||||
return false;
|
||||
}
|
||||
|
||||
// get the final URL redirect
|
||||
public function getFinalRedirect(): string
|
||||
{
|
||||
$last = end($this->path);
|
||||
return $last['url'];
|
||||
}
|
||||
}
|
||||
|
||||
// handle form submissions
|
||||
if (isset($_POST['url']))
|
||||
{
|
||||
// check that we got a valid URL
|
||||
$url = (filter_var(trim($_POST['url']), FILTER_VALIDATE_URL))
|
||||
? trim($_POST['url'])
|
||||
: false;
|
||||
|
||||
// if so, start up the redirect checks
|
||||
if ($url)
|
||||
{
|
||||
// make a request for this url and add to the path
|
||||
$request = new RedirectCheck($url);
|
||||
$code = '';
|
||||
|
||||
do {
|
||||
// set the URL
|
||||
$request->url = $url;
|
||||
|
||||
// make the curl request and update the path
|
||||
$request->getHttpCode();
|
||||
|
||||
// end on an error
|
||||
if ($request->error)
|
||||
{
|
||||
break;
|
||||
}
|
||||
|
||||
// if we have a redirect to follow, update our working $url
|
||||
$url = ($request->next) ? $request->next : false;
|
||||
|
||||
// update our code
|
||||
$code = ($request->code) ? $request->code : false;
|
||||
|
||||
} while ($code != 200);
|
||||
}
|
||||
}
|
||||
include('class.php');
|
||||
?>
|
||||
|
||||
<!DOCTYPE html>
|
||||
<html>
|
||||
<head>
|
||||
@ -192,7 +11,7 @@ if (isset($_POST['url']))
|
||||
<body>
|
||||
<header>
|
||||
<menu>
|
||||
<h1>Redirect Checker</h1>
|
||||
<h1>Follow <span>URL Redirect Checker</span></h1>
|
||||
<nav>
|
||||
<a href="/"><span>Check a new URL</span></a>
|
||||
</nav>
|
||||
@ -325,9 +144,78 @@ else
|
||||
<summary>
|
||||
Successful (<code>2XX</code>–<code>299</code>)
|
||||
</summary>
|
||||
<p>
|
||||
200
|
||||
</p>
|
||||
<dl>
|
||||
<dt>
|
||||
<label for="200">
|
||||
<code>200</code> OK
|
||||
</label>
|
||||
</dt>
|
||||
<input type="checkbox" id="200">
|
||||
<dd>The request succeeded.</dd>
|
||||
<dt>
|
||||
<label for="201">
|
||||
<code>201</code> Created
|
||||
</label>
|
||||
</dt>
|
||||
<input type="checkbox" id="201">
|
||||
<dd>The request succeeded, and a new resource was created as a result.</dd>
|
||||
<dt>
|
||||
<label for="202">
|
||||
<code>202</code> Accepted
|
||||
</label>
|
||||
</dt>
|
||||
<input type="checkbox" id="202">
|
||||
<dd>The request has been received but not yet acted upon.</dd>
|
||||
<dt>
|
||||
<label for="203">
|
||||
<code>203</code> Non-Authoritative Information
|
||||
</label>
|
||||
</dt>
|
||||
<input type="checkbox" id="203">
|
||||
<dd>Typically for mirrors of original resources, the returned metadata is not exactly the same as is available from the origin server but is collected from a local or a third-party copy.</dd>
|
||||
<dt>
|
||||
<label for="204">
|
||||
<code>204</code> No Content
|
||||
</label>
|
||||
</dt>
|
||||
<input type="checkbox" id="204">
|
||||
<dd>There is no content to send for this request, but the headers may be useful.</dd>
|
||||
<dt>
|
||||
<label for="205">
|
||||
<code>205</code> Reset Content
|
||||
</label>
|
||||
</dt>
|
||||
<input type="checkbox" id="205">
|
||||
<dd>Tells the user agent to reset the document which sent this request.</dd>
|
||||
<dt>
|
||||
<label for="206">
|
||||
<code>206</code> Partial Content
|
||||
</label>
|
||||
</dt>
|
||||
<input type="checkbox" id="206">
|
||||
<dd>Only part of a resource is sent in response to the <code>Range</code> header.</dd>
|
||||
<dt>
|
||||
<label for="207">
|
||||
<code>207</code> Multi-Status
|
||||
</label>
|
||||
</dt>
|
||||
<input type="checkbox" id="207">
|
||||
<dd>Conveys information about multiple resources, for situations where multiple status codes might be appropriate.</dd>
|
||||
<dt>
|
||||
<label for="208">
|
||||
<code>208</code> Already Reported (WebDAV)
|
||||
</label>
|
||||
</dt>
|
||||
<input type="checkbox" id="208">
|
||||
<dd>Used inside a <code><dav:propstat></code> response element to limit repetition.</dd>
|
||||
<dt>
|
||||
<label for="226">
|
||||
<code>226</code> IM Used
|
||||
</label>
|
||||
</dt>
|
||||
<input type="checkbox" id="226">
|
||||
<dd>For <code>HTTP Delta encoding</code> when the server has fullfilled a <code>GET</code> request and the response is from 1+ instance manipulations.</dd>
|
||||
</dl>
|
||||
</details>
|
||||
<details>
|
||||
<summary>
|
||||
|
||||
16
style.css
16
style.css
@ -53,9 +53,24 @@ nav a {
|
||||
}
|
||||
|
||||
h1 {
|
||||
display: flex;
|
||||
font-size: 1.25rem;
|
||||
font-weight: 800;
|
||||
margin: 0;
|
||||
}
|
||||
h1 span {
|
||||
display: flex;
|
||||
font-weight: 300;
|
||||
text-transform: lowercase;
|
||||
gap: 0.5rem;
|
||||
margin-left: 0.5rem;
|
||||
}
|
||||
h1 span::before {
|
||||
color: #aaa;
|
||||
content: '//';
|
||||
display: block;
|
||||
|
||||
}
|
||||
|
||||
form {
|
||||
align-items: stretch;
|
||||
@ -121,6 +136,7 @@ aside {
|
||||
}
|
||||
details {
|
||||
margin-bottom: 0.5rem;
|
||||
padding-left: 0.15rem;
|
||||
}
|
||||
summary {
|
||||
cursor: pointer;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user