Adds response headers for each step in the results table
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@ -8,13 +8,14 @@ class Follow
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const ERROR_CURL_REDIRECT = "Could not curl_getinfo the redirect URL";
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// properties
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public string $url;
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public string $next;
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public int $code;
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public int $step;
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public bool $redirect;
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public array $path;
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public array $error;
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public array $headers;
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public string $url;
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public string $next;
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// constructor
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public function __construct(string $url)
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@ -25,10 +26,12 @@ class Follow
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$this->step = 1;
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$this->redirect = false;
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$this->error = [];
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$this->headers = [];
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$this->path[$this->step] = [
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'step' => $this->step,
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'url' => $this->url,
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'code' => null,
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'headers' => [],
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'next' => null ];
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}
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@ -45,7 +48,7 @@ class Follow
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}
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// update a path entry
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public function updatePath(int $step, string $key, string $value): void
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public function updatePath(int $step, string $key, $value): void
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{
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$this->path[$step][$key] = $value;
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}
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@ -60,7 +63,7 @@ class Follow
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return false;
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}
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// set request headers and execute
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// set request header options
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$response = curl_setopt($ch, CURLOPT_URL, $this->url);
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$response = curl_setopt($ch, CURLOPT_HEADER, true); // enable this for debugging
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$response = curl_setopt($ch, CURLOPT_HTTPGET, true); // redundant but making sure it's a GET
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@ -69,6 +72,31 @@ class Follow
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$response = curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); // return output instead of going to screen
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$response = curl_setopt($ch, CURLOPT_TIMEOUT, 60);
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$response = curl_setopt($ch, CURLOPT_USERAGENT, self::USER_AGENT);
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// save response header to $header variable
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$headers = [];
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curl_setopt(
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$ch,
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CURLOPT_HEADERFUNCTION,
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function($curl, $header) use (&$headers)
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{
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$len = strlen($header);
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$header = explode(':', $header, 2);
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// ignore invalid headers
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if (count($header) < 2) {
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return $len;
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}
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// save the header formatted
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$headers[strtolower(trim($header[0]))][] = trim($header[1]);
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// return the header length
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return $len;
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}
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);
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// execute the curl handle
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$response = curl_exec($ch);
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// check for a response
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@ -79,6 +107,10 @@ class Follow
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}
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else
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{
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// save the response headers to the path entry
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$this->headers = $headers;
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$this->updatePath($this->step, 'headers', $headers);
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// get the http status code
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if (curl_getinfo($ch, CURLINFO_HTTP_CODE))
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{
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@ -132,6 +164,7 @@ class Follow
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'step' => $this->step,
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'url' => $this->next,
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'code' => null,
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'header' => '',
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'next' => null
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]);
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@ -34,7 +34,7 @@ if (isset($_POST['url']))
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// update our code
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$code = ($request->code) ? $request->code : false;
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} while (substr($code, 0, 1) != 2);
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} while (substr($code, 0, 1) == 3); // continue while we have a 3XX code
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}
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else
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{
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@ -47,9 +47,20 @@ a:hover {
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color: #000;
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text-decoration-color: #000;
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}
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nav {
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align-items: center;
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display: flex;
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gap: 1.5rem;
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}
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nav a {
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font-size: 1.1rem;
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line-height: 1.6rem;
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align-items: center;
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display: inline-flex;
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font-size: 1.1rem;
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line-height: 1.6rem;
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}
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nav svg {
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height: 1.5rem;
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width: 1.5rem;
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}
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h1 {
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@ -208,7 +219,7 @@ details[open] + details {
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}
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code {
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font-family: Menlo, monospace;
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font-family: Menlo, 'Berkeley Mono', Hack, monospace;
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font-size: 0.9rem;
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background: #fff;
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padding: 0.1rem 0.2rem;
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@ -255,6 +266,12 @@ th {
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text-transform: uppercase;
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text-align: left;
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}
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th:first-child {
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padding-left: 3rem;
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}
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tr {
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position: relative;
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}
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td {
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background-color: #fafafa;
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border-bottom: 1px solid #1a1a1a;
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@ -263,17 +280,20 @@ td {
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word-wrap: anywhere;
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}
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td:first-child {
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text-align: center;
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width: 0;
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}
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td:nth-child(2) {
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text-align: center;
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}
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td:nth-child(3) {
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line-height: 1.5rem;
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padding: 0.8rem 1rem;
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width: 100%;
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}
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td:nth-child(2) a:hover {
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td:nth-child(3) a:hover {
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text-decoration-color: transparent;
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}
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td:nth-child(4) {
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td:nth-child(5) {
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text-align: center;
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padding-right: 1.5rem;
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}
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@ -293,11 +313,11 @@ td b i {
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display: inline-block;
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transition: transform 150ms ease-in-out;
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}
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td:nth-child(2) a:hover b {
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td:nth-child(3) a:hover b {
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border-color: #1a1a1a;
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color: #1a1a1a;
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}
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td:nth-child(2) a:hover b i {
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td:nth-child(3) a:hover b i {
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transform: rotate(45deg);
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}
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tbody tr:nth-child(odd) td {
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@ -307,6 +327,59 @@ tbody td:last-child {
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padding-left: 0;
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width: 1rem;
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}
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td label {
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cursor: pointer;
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left: 1.25rem;
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position: absolute;
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top: 0.85rem;
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transition: transform 150ms ease-in-out;
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}
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td label i {
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font-size: 1.25rem;
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font-style: normal;
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line-height: 1rem;
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}
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section {
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display: flex;
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max-height: 0;
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overflow: hidden;
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flex-direction: column;
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transition: max-height 200ms ease;
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}
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hgroup {
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display: flex;
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flex-direction: column;
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margin-bottom: 0.5rem;
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}
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section hgroup:first-of-type {
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padding-top: 1rem;
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}
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td input[type="checkbox"] {
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display: none;
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}
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td input[type="checkbox"]:checked + section {
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max-height: 100rem;
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}
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td input[type="checkbox"]:checked + section > label {
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transform: rotate(90deg);
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}
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q {
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color: #666;
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font-size: 0.8rem;
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font-weight: bold;
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text-transform: uppercase;
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white-space: nowrap;
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}
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q::before,
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q::after {
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content: '';
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}
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mark {
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background: none;
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font-family: Menlo, 'Berkeley Mono', Hack, monospace;
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font-size: 0.9rem;
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}
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caption {
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caption-side: bottom;
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line-height: 1.5rem;
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49
index.php
49
index.php
@ -16,10 +16,20 @@ include('inc/codes.php');
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<h1>Follow <span>URL Redirect Checker</span></h1>
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<nav>
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<a href="/"><span>Check a new URL</span></a>
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<a href="https://git.gioia.cloud/andrew/follow" title="Gitea source code respository">
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<svg xmlns="http://www.w3.org/2000/svg" xml:space="preserve" fill-rule="evenodd" stroke-linejoin="round" stroke-miterlimit="2" clip-rule="evenodd" viewBox="0 0 24 24" fill="currentColor">
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<path d="M5.211 4.639c.762.06 3.164.29 7.56.391 3.118.071 5.918.069 10.15-.326a.922.922 0 0 1 1.002.811c.29 2.448-.295 4.456-.849 6.571-.393 1.499-1.148 3.433-2.093 4.91-.714 1.116-1.557 1.967-2.409 2.32a.93.93 0 0 1-.353.07h-7.307a.906.906 0 0 1-.326-.06c-1.7-.642-2.913-2.487-3.747-4.404-.771-.029-2.098-.158-3.35-.658-1.404-.562-2.697-1.574-3.19-3.31-.555-1.953-.311-3.579.511-4.685.839-1.129 2.315-1.794 4.401-1.63Zm-.466 1.823c-1.133-.032-1.976.266-2.453.908-.539.725-.58 1.801-.217 3.08.318 1.121 1.193 1.737 2.1 2.099.628.252 1.28.387 1.833.458-.672-1.892-1.118-4.479-1.263-6.545Zm3.571 7.203c.343.866.757 1.758 1.281 2.503.419.596.902 1.101 1.498 1.371h6.92c.511-.276.974-.856 1.41-1.538.844-1.318 1.512-3.046 1.863-4.383.428-1.633.906-3.19.865-4.992-2.563.215-4.61.285-6.572.286l-.026 3.061 2.092 1.012c.476.23.676.804.445 1.28l-1.977 4.088a.957.957 0 0 1-1.279.445l-4.089-1.977a.958.958 0 0 1-.445-1.279l1.977-4.089a.959.959 0 0 1 1.28-.445l.157.076c.006-.678.014-1.573.018-2.188l-1.006-.02a125.176 125.176 0 0 1-6.121-.275c.189 2.369.753 5.395 1.648 6.938.024.04.044.081.061.124v.002Zm7.733-1.407-2.495-1.199-1.2 2.495 2.496 1.199 1.199-2.495Z"/>
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</svg>
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</a>
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<a href="https://andrewgioia.com" title="Andrew Gioia's homepage">
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<svg xmlns="http://www.w3.org/2000/svg" xml:space="preserve" fill-rule="evenodd" stroke-linejoin="round" stroke-miterlimit="2" clip-rule="evenodd" viewBox="0 0 24 24" fill="currentColor">
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<path d="M3.7353 17.3608H.4998L5.43 3.4998h3.891l4.9229 13.861h-3.2356l-1.06-3.1605h-5.153l-1.06 3.1605Zm1.8271-5.448h3.6262L7.431 6.6675H7.32L5.5624 11.913Zm12.7008 9.5627c-2.8871 0-4.5397-1.2586-4.8948-2.8963l2.7474-.359c.244.6297.9062 1.1847 2.217 1.1847 1.29 0 2.2317-.555 2.2317-1.983v-1.902h-.1257c-.3906.8595-1.3456 1.6923-3.0544 1.6923-2.4122 0-4.3443-1.6111-4.3443-5.0696 0-3.5396 1.9876-5.313 4.3377-5.313 1.7923 0 2.6637 1.0354 3.061 1.8818h.1116v-1.746h2.9494V17.462c0 2.66-2.1756 4.0134-5.2366 4.0134Zm.0629-6.4294c1.4292 0 2.2524-1.0827 2.2524-2.9171 0-1.8201-.8092-3.0047-2.2524-3.0047-1.4713 0-2.2525 1.2385-2.2525 3.0047 0 1.7935.7952 2.9171 2.2525 2.9171Z"/>
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</svg>
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</a>
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</nav>
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</menu>
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<form method="post" action="/" type="application/x-www-form-urlencoded">
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<input type="url" value="<?php echo $url; ?>" placeholder="URL to check..." name="url">
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<input type="url" value="<?php echo (isset($url)) ? $url : ''; ?>" placeholder="URL to check..." name="url">
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<button type="submit">Check</button>
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</form>
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</header>
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@ -55,7 +65,7 @@ if (isset($request) && count($request->path) > 0)
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<table>
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<thead>
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<tr>
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<th>Step</th>
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<th colspan=\"2\">Step</th>
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<th>Request</th>
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<th colspan=\"2\">Code</th>
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</tr>
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@ -63,14 +73,35 @@ if (isset($request) && count($request->path) > 0)
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<tbody>";
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foreach ($request->path as $step)
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{
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$item = $step['step'];
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$url = $step['url'];
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$code = $step['code'];
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$next = ($step['next']) ? '↩︎' : ((isset($error)) ? 'x' : '✓');
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echo "
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$item = $step['step'];
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$url = $step['url'];
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$code = $step['code'];
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$headers = $step['headers'];
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$next = ($step['next']) ? '↩︎' : ((isset($error)) ? 'x' : '✓');
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echo "
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<tr>
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<td>".$item."</td>
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<td>".$url." <a href=\"".$url."\" target=\"blank\"><b><i>↗︎</i></b></a></td>
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<td> </td>
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<td><span>".$item."</span></td>
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<td>
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<div>".$url." <a href=\"".$url."\" target=\"blank\"><b><i>↗︎</i></b></a></div>";
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if (is_array($headers) && count($headers) > 0)
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{
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echo "
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<input type=\"checkbox\" id=\"step-".$item."\" />
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<section>
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<label for=\"step-".$item."\"><i>›</i></label>";
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foreach ($headers as $hkey => $hval)
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{
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echo "
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<hgroup>
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<q>".$hkey."</q><mark>".$hval[0]."</mark>
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</hgroup>";
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}
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echo "
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</section>";
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}
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echo "
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</td>
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<td><code>".$code."</code></td>
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<td>".$next."</td>
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</tr>";
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