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
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@ -0,0 +1,182 @@
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<?php
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class RedirectCheck
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{
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// constants
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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";
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const ERROR_CURL_INIT = "Couldn't initialize a cURL handle";
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const ERROR_CURL_CODE = "Could not curl_getinfo the HTTP code";
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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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// constructor
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public function __construct(string $url)
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{
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$this->url = $url;
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$this->next = '';
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$this->code = 0;
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$this->step = 1;
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$this->redirect = false;
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$this->error = [];
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$this->path[$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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'next' => null ];
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}
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// create an error message
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private function setError(array $error): void
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{
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$this->error = $error;
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}
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// add an entry to the URL path
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private function addPath(int $step, array $path): void
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{
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$this->path[$step] = $path;
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}
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// update a path entry
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public function updatePath(int $step, string $key, string $value): void
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{
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$this->path[$step][$key] = $value;
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}
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// create a curl request for a URL
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public function getHttpCode()
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{
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// initate curl request
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$ch = curl_init();
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if (!$ch) {
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$this->setError = ['type' => 'curl', 'message' => self::ERROR_CURL_INIT];
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return false;
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}
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// set request headers and execute
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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($ch, CURLOPT_HTTPGET, true); // redundant but making sure it's a GET
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$response = curl_setopt($ch, CURLOPT_NOBODY, false); // settings this to true was returning 405s
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$response = curl_setopt($ch, CURLOPT_FOLLOWLOCATION, false);
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$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($ch, CURLOPT_USERAGENT, self::USER_AGENT);
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$response = curl_exec($ch);
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// check for a response
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if (empty($response))
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{
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$this->setError(['type' => 'curl', 'message' => curl_error($ch)]);
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curl_close($ch);
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}
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else
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{
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// get the http status code
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if (curl_getinfo($ch, CURLINFO_HTTP_CODE))
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{
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$code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
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$this->code = ($code) ? $code : 0;
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if ($code == 200) {
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$this->updatePath($this->step, 'code', $this->code);
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return true;
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}
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}
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else
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{
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$this->code = 0;
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$this->setError(['type' => 'curl', 'message' => self::ERROR_CURL_CODE]);
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return false;
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}
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// get any redirect url to follow next
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if (curl_getinfo($ch, CURLINFO_REDIRECT_URL))
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{
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$next = curl_getinfo($ch, CURLINFO_REDIRECT_URL);
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$this->redirect = ($next) ? true : false;
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$this->next = ($next) ? $next : '';
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}
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else
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{
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$this->redirect = false;
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$this->next = '';
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}
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// close the session
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curl_close($ch);
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// update the current path
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$this->updatePath($this->step, 'code', $this->code);
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$this->updatePath($this->step, 'next', $this->next);
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// start the next path
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$this->step++;
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$this->addPath(
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$this->step,
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[
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'step' => $this->step,
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'url' => $this->next,
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'code' => null,
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'next' => null
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]);
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return true;
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}
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// return false if we get here
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return false;
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}
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// get the final URL redirect
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public function getFinalRedirect(): string
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{
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$last = end($this->path);
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return $last['url'];
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}
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}
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// handle form submissions
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if (isset($_POST['url']))
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{
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// check that we got a valid URL
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$url = (filter_var(trim($_POST['url']), FILTER_VALIDATE_URL))
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? trim($_POST['url'])
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: false;
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// if so, start up the redirect checks
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if ($url)
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{
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// make a request for this url and add to the path
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$request = new RedirectCheck($url);
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$code = '';
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do {
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// set the URL
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$request->url = $url;
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// make the curl request and update the path
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$request->getHttpCode();
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// end on an error
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if ($request->error)
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{
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break;
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}
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// if we have a redirect to follow, update our working $url
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$url = ($request->next) ? $request->next : false;
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// update our code
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$code = ($request->code) ? $request->code : false;
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} while ($code != 200);
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}
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}
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?>
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260
index.php
260
index.php
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@ -1,187 +1,6 @@
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<?php
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class RedirectCheck
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{
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// constants
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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";
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const ERROR_CURL_INIT = "Couldn't initialize a cURL handle";
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const ERROR_CURL_CODE = "Could not curl_getinfo the HTTP code";
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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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// constructor
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public function __construct(string $url)
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{
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$this->url = $url;
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$this->next = '';
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$this->code = 0;
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$this->step = 1;
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$this->redirect = false;
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$this->error = [];
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$this->path[$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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'next' => null ];
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}
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// create an error message
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private function setError(array $error): void
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{
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$this->error = $error;
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}
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// add an entry to the URL path
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private function addPath(int $step, array $path): void
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{
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$this->path[$step] = $path;
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}
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// update a path entry
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public function updatePath(int $step, string $key, string $value): void
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{
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$this->path[$step][$key] = $value;
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}
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// create a curl request for a URL
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public function getHttpCode()
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{
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// initate curl request
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$ch = curl_init();
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if (!$ch) {
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$this->setError = ['type' => 'curl', 'message' => self::ERROR_CURL_INIT];
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return false;
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}
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// set request headers and execute
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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($ch, CURLOPT_HTTPGET, true); // redundant but making sure it's a GET
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$response = curl_setopt($ch, CURLOPT_NOBODY, false); // settings this to true was returning 405s
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$response = curl_setopt($ch, CURLOPT_FOLLOWLOCATION, false);
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$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($ch, CURLOPT_USERAGENT, self::USER_AGENT);
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$response = curl_exec($ch);
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// check for a response
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if (empty($response))
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{
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$this->setError(['type' => 'curl', 'message' => curl_error($ch)]);
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curl_close($ch);
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}
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else
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{
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// get the http status code
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if (curl_getinfo($ch, CURLINFO_HTTP_CODE))
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{
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$code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
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$this->code = ($code) ? $code : 0;
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if ($code == 200) {
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$this->updatePath($this->step, 'code', $this->code);
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return true;
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}
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}
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else
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{
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$this->code = 0;
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$this->setError(['type' => 'curl', 'message' => self::ERROR_CURL_CODE]);
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return false;
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}
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// get any redirect url to follow next
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if (curl_getinfo($ch, CURLINFO_REDIRECT_URL))
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{
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$next = curl_getinfo($ch, CURLINFO_REDIRECT_URL);
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$this->redirect = ($next) ? true : false;
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$this->next = ($next) ? $next : '';
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}
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else
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{
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$this->redirect = false;
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$this->next = '';
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}
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// close the session
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curl_close($ch);
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// update the current path
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$this->updatePath($this->step, 'code', $this->code);
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$this->updatePath($this->step, 'next', $this->next);
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// start the next path
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$this->step++;
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$this->addPath(
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$this->step,
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[
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'step' => $this->step,
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'url' => $this->next,
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'code' => null,
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'next' => null
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]);
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return true;
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}
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// return false if we get here
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return false;
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}
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// get the final URL redirect
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public function getFinalRedirect(): string
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{
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$last = end($this->path);
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return $last['url'];
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}
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}
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// handle form submissions
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if (isset($_POST['url']))
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{
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// check that we got a valid URL
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$url = (filter_var(trim($_POST['url']), FILTER_VALIDATE_URL))
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? trim($_POST['url'])
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: false;
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// if so, start up the redirect checks
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if ($url)
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{
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// make a request for this url and add to the path
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$request = new RedirectCheck($url);
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$code = '';
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do {
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// set the URL
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$request->url = $url;
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// make the curl request and update the path
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$request->getHttpCode();
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// end on an error
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if ($request->error)
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{
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break;
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}
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// if we have a redirect to follow, update our working $url
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$url = ($request->next) ? $request->next : false;
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// update our code
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$code = ($request->code) ? $request->code : false;
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} while ($code != 200);
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}
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}
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include('class.php');
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?>
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<!DOCTYPE html>
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<html>
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<head>
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@ -192,7 +11,7 @@ if (isset($_POST['url']))
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<body>
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<header>
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<menu>
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<h1>Redirect Checker</h1>
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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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</nav>
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@ -325,9 +144,78 @@ else
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<summary>
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Successful (<code>2XX</code>–<code>299</code>)
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</summary>
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<p>
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200
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</p>
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<dl>
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<dt>
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<label for="200">
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<code>200</code> OK
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</label>
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</dt>
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<input type="checkbox" id="200">
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<dd>The request succeeded.</dd>
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<dt>
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<label for="201">
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<code>201</code> Created
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</label>
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</dt>
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<input type="checkbox" id="201">
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<dd>The request succeeded, and a new resource was created as a result.</dd>
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<dt>
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<label for="202">
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<code>202</code> Accepted
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</label>
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</dt>
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<input type="checkbox" id="202">
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<dd>The request has been received but not yet acted upon.</dd>
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<dt>
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<label for="203">
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<code>203</code> Non-Authoritative Information
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</label>
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</dt>
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<input type="checkbox" id="203">
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<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>
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<dt>
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<label for="204">
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<code>204</code> No Content
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</label>
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</dt>
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<input type="checkbox" id="204">
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<dd>There is no content to send for this request, but the headers may be useful.</dd>
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<dt>
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<label for="205">
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<code>205</code> Reset Content
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</label>
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</dt>
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<input type="checkbox" id="205">
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<dd>Tells the user agent to reset the document which sent this request.</dd>
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<dt>
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<label for="206">
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<code>206</code> Partial Content
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</label>
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</dt>
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<input type="checkbox" id="206">
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<dd>Only part of a resource is sent in response to the <code>Range</code> header.</dd>
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<dt>
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<label for="207">
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<code>207</code> Multi-Status
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</label>
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</dt>
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<input type="checkbox" id="207">
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<dd>Conveys information about multiple resources, for situations where multiple status codes might be appropriate.</dd>
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<dt>
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<label for="208">
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<code>208</code> Already Reported (WebDAV)
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</label>
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</dt>
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<input type="checkbox" id="208">
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<dd>Used inside a <code><dav:propstat></code> response element to limit repetition.</dd>
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<dt>
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<label for="226">
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<code>226</code> IM Used
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</label>
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</dt>
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<input type="checkbox" id="226">
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<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>
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</dl>
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</details>
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<details>
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<summary>
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16
style.css
16
style.css
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@ -53,9 +53,24 @@ nav a {
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}
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h1 {
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display: flex;
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font-size: 1.25rem;
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font-weight: 800;
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margin: 0;
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}
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h1 span {
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display: flex;
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font-weight: 300;
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text-transform: lowercase;
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gap: 0.5rem;
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margin-left: 0.5rem;
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}
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h1 span::before {
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color: #aaa;
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content: '//';
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display: block;
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}
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form {
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align-items: stretch;
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@ -121,6 +136,7 @@ aside {
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}
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details {
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margin-bottom: 0.5rem;
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padding-left: 0.15rem;
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}
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summary {
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cursor: pointer;
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