feat(UrlShortner): add module

This commit is contained in:
Matthieu Bessat 2021-10-03 14:04:05 +02:00
parent c677114e08
commit 8f492f2432
4 changed files with 144 additions and 22 deletions

View file

@ -25,7 +25,10 @@ return [
'baseconverter' => [
'alias' => ['encode', 'decode']
],
'uuid' => []
'uuid' => [],
'urlshortner' => [
'alias' => ['u', 'url']
]
],
'auth' => [
'root' => 'password'

View file

@ -51,27 +51,7 @@ if ($selectedModule === null) {
generateHelp($selectedModule['key']);
if (isset($selectedModule['auth']) && $selectedModule['auth']) {
if (!isset($_SERVER['PHP_AUTH_USER']) || !isset($_SERVER['PHP_AUTH_PW']))
{
header("WWW-Authenticate: Basic realm=\"You need to provide user and passwd\"");
http_response_code(401);
echo "Authentification Required";
exit();
}
$providedUsername = $_SERVER['PHP_AUTH_USER'];
$providedPassword = $_SERVER['PHP_AUTH_PW'];
$found = false;
foreach ($config['auth'] as $username => $password) {
if ($username === $providedUsername && $password == $providedPassword) {
$found = true;
}
}
if (!$found) {
header("WWW-Authenticate: Basic realm=\"Invalid auth\"");
http_response_code(401);
echo "Invalid authentification, try again";
exit();
}
askAuth($config['auth']);
}
require('./modules/' . $selectedModule['key'] . '/' . $selectedModule['key'] . '.php');

View file

@ -0,0 +1,115 @@
<?php
$path = __DIR__ . '/../../tmp/urlshortner';
function saveUrls($urlsToStore) {
global $path;
$data = json_encode([
'updated_at' => date('Y-m-d H:i:s'),
'urls' => $urlsToStore
]);
file_put_contents($path . '/urls.json', $data);
}
if (!file_exists($path)) {
mkdir($path);
}
if (!file_exists($path . '/urls.json') || file_get_contents($path . '/urls.json') === '') {
file_put_contents($path . '/urls.json', '{"urls": []}');
}
$urls = json_decode(file_get_contents($path . '/urls.json'), true)['urls'];
if (strpos($_SERVER['REQUEST_URI'], '/admin') === 0) {
// admin panel
askAuth($config['auth']);
if (strpos($_SERVER['REQUEST_URI'], '/create') !== false) {
$url = [
'slug' => $_GET['slug'] ?? $_GET['name'] ?? '',
'target' => $_GET['target'] ?? '',
'created_at' => date('Y-m-d H:i:s')
];
if (empty($url['slug']) || empty($url['target'])) {
echo "Invalid values slug or target";
http_response_code(400);
exit();
}
$urls[] = $url;
echo "Url was created";
saveUrls($urls);
if (isset($_GET['redirect'])) {
header('Location: ' . $_GET['redirect']);
http_response_code(302);
}
exit();
}
if (strpos($_SERVER['REQUEST_URI'], '/delete') !== false) {
if (!isset($_GET['slug']) || empty($_GET['slug'])) {
echo "Slug param missing";
http_response_code(400);
exit();
}
$urls = array_filter([], fn ($u) => $u['slug'] !== $_GET['slug']);
echo "The urls with this slug were deleted";
saveUrls($urls);
if (isset($_GET['redirect'])) {
header('Location: ' . $_GET['redirect']);
}
exit();
}
?>
<h1>Url list</h1>
<b>Add a URL</b>
<form method="get" action="/admin/create">
<label for="slug">Slug</label>
<input type="text" name="slug" id="slug" />
<br>
<label for="target">Target (link)</label>
<input type="url" name="target" id="target" style="min-width: 80%" />
<input type="hidden" name="redirect" value="/admin" />
<br>
<button>Create Shortcut</button>
</form>
<hr>
<div>
<?php
foreach ($urls as $url) {
?>
<div
style="
max-width: 900px;
display: flex;
justify-content: space-between;
border: 1px solid gray;
margin-bottom: .4em
">
<div>
/<?= $url['slug'] ?> : <a href="<?= $url['target'] ?>"><?= $url['target'] ?></a>
</div>
<a href="/admin/delete?slug=<?= $url['slug'] ?>&redirect=/admin">Delete</a>
</div>
<?php
}
?>
</div>
<?php
exit();
}
foreach ($urls as $url) {
if (strpos($_SERVER['REQUEST_URI'], '/' . $url['slug']) === 0) {
header('Location: ' . $url['target']);
http_response_code(302);
echo "You've been redirected";
exit();
}
}
http_response_code(404);
echo 'ERR: Unknown url';

View file

@ -64,3 +64,27 @@ function deleteAllFiles($path) {
}
return $count;
}
function askAuth($authConfig) {
if (!isset($_SERVER['PHP_AUTH_USER']) || !isset($_SERVER['PHP_AUTH_PW']))
{
header("WWW-Authenticate: Basic realm=\"You need to provide user and passwd\"");
http_response_code(401);
echo "Authentification Required";
exit();
}
$providedUsername = $_SERVER['PHP_AUTH_USER'];
$providedPassword = $_SERVER['PHP_AUTH_PW'];
$found = false;
foreach ($authConfig as $username => $password) {
if ($username === $providedUsername && $password == $providedPassword) {
$found = true;
}
}
if (!$found) {
header("WWW-Authenticate: Basic realm=\"Invalid auth\"");
http_response_code(401);
echo "Invalid authentification, try again";
exit();
}
}