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Check if domain is valid dynamically

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This commit is contained in:
Pablo Ferreiro 2022-01-05 20:16:50 +01:00
parent c8d6516dd7
commit 31e3aafbd7
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3 changed files with 22 additions and 30 deletions
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33
routes/assets.php
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@ -1,15 +1,26 @@
<?php
require __DIR__ . "/../helpers/domains.php";
use Steampixel\Route;
Route::add('/images', function () use ($domains) {
/**
* Check if an url has a valid domain
* @param string $url URL you want to check
* @return bool
*/
function isValidDomain(string $url): bool {
$valid_domains = [
"tiktokcdn.com", "tiktokcdn-us.com", "tiktok.com"
];
$host = parse_url($url, PHP_URL_HOST);
$host_split = explode('.', $host);
return count($host_split) === 3 && in_array($host_split[1] . '.' . $host_split[2], $valid_domains);
}
Route::add('/images', function () {
if (!isset($_GET['url'])) {
die('You need to send a url!');
}
$url = $_GET['url'];
$host = parse_url($url, PHP_URL_HOST);
if (!filter_var($url, FILTER_VALIDATE_URL) || !in_array($host, $domains['image'])) {
if (!filter_var($url, FILTER_VALIDATE_URL) || !isValidDomain($url)) {
die('Not a valid URL');
}
$img = file_get_contents($url, false, stream_context_create(['http' => ['ignore_errors' => true]]));
@ -21,13 +32,13 @@ Route::add('/images', function () use ($domains) {
}
});
Route::add('/audios', function () use ($domains) {
Route::add('/audios', function () {
if (!isset($_GET['url'])) {
die('You need to send a url!');
}
$url = $_GET['url'];
$host = parse_url($url, PHP_URL_HOST);
if (!filter_var($url, FILTER_VALIDATE_URL) || !in_array($host, $domains['audio'])) {
if (!filter_var($url, FILTER_VALIDATE_URL) || !isValidDomain($url)) {
die('Not a valid URL');
}
$audio = file_get_contents($url, false, stream_context_create(['http' => ['ignore_errors' => true]]));
@ -39,15 +50,13 @@ Route::add('/audios', function () use ($domains) {
}
});
Route::add('/stream', function () use ($domains) {
Route::add('/stream', function () {
if (!isset($_GET['url'])) {
die('You need to send a url!');
}
$url = $_GET['url'];
$host = parse_url($url, PHP_URL_HOST);
if (!filter_var($url, FILTER_VALIDATE_URL) || !in_array($host, $domains['video'])) {
if (!filter_var($url, FILTER_VALIDATE_URL) || !isValidDomain($url)) {
die('Not a valid URL');
}