commit 275e155e485aa6f34c147dd1257ab28f4c64c8ea · rita.moe/tz

+23 -21
index.php
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       <?php

     

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       // Configuration

     

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       const COOKIE_LIFETIME = 60 * 60 * 24 * 365; // 1 year

     

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       const SITE_URL = 'https://tz.rita.moe';

     

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       const SITE_BASE = 'https://tz.rita.moe'; // Base URL of the site, no trailing slash

     

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       // Set security headers

     

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       $nonce = bin2hex(random_bytes(16));

     
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       // Micro-routing

     

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       try {

     

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         if (isset($_POST['datetime']) && isset($_POST['timezone'])) {

     

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             // -- Redirect to submitted date

     

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             $postTZ = $_POST['timezone'];

     

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           // -- Redirect to submitted date

     

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           // @NOTE(Kody): I'm fine not validating all inputs here.

     

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           //              Either it will fall in the catch block, or fail at the validation after the redirect.

     

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             // Handle if timezone is an offset

     

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             if (is_numeric($_POST['timezone'])) {

     

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               $isNeg = str_starts_with($postTZ, '-');

     

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               $h = str_pad(abs(intdiv($postTZ, 60)), 2, '0', STR_PAD_LEFT);

     

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               $m = str_pad($postTZ % 60, 2, '0', STR_PAD_LEFT);

     

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               $postTZ = ($isNeg ? '-' : '+') . $h . $m;

     

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             }

     

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           // Handle if timezone is an offset

     

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           $postTZ = $_POST['timezone'];

     

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           if (is_numeric($_POST['timezone'])) {

     

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             $isNeg = str_starts_with($postTZ, '-');

     

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             $h = str_pad(abs(intdiv($postTZ, 60)), 2, '0', STR_PAD_LEFT);

     

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             $m = str_pad($postTZ % 60, 2, '0', STR_PAD_LEFT);

     

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             $postTZ = ($isNeg ? '-' : '+') . $h . $m;

     

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           }

     

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             // Make our date object

     

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             $dateObj = new DateTime($_POST['datetime'], new DateTimeZone($postTZ));

     

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           // Make our date object

     

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           $dateObj = new DateTime($_POST['datetime'], new DateTimeZone($postTZ));

     

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             // Redirect, with the "+" replaced by "_"

     

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             header('Location: /' . str_replace('+', '_', $dateObj->format('c')));

     

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             exit;

     

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           // Redirect, with the "+" replaced by "_"

     

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           header('Location: /' . str_replace('+', '_', $dateObj->format('c')));

     

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           exit;

     

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         } elseif ($_SERVER['REQUEST_URI'] !== '/') {

     

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           // -- Show date infos

     

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           // Remove leading "/"

     

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           $req = substr($_SERVER['REQUEST_URI'], 1);

     

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           // -- Show date infos

     

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           // First check if date is following the format

     

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           // Check if date is following the format

     

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           $re = '/^\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}[\_|-]\d{2}:\d{2}$/';

     

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           if (!preg_match($re, $req)) {

     

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             http_response_code(404);

     
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         }

     

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       } catch (Exception $e) {

     

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         http_response_code(400);

     

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         $error = 'Invalid date format or date out of range.';

     

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         $error = 'Date is not valid, or wrong format.';

     

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       }

     

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       ?>

     

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       <!DOCTYPE html>

     
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           </div>

     

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           <div class="share">

     

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             <input type="hidden" id="url" value="<?= htmlspecialchars(SITE_URL . $_SERVER['REQUEST_URI'], ENT_QUOTES, 'UTF-8') ?>"/>

     

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             <input type="hidden" id="url" value="<?= htmlspecialchars(SITE_BASE . $_SERVER['REQUEST_URI'], ENT_QUOTES, 'UTF-8') ?>"/>

     

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           </div>

     

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           <script nonce="<?= $nonce ?>">

     
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               if (navigator.canShare) {

     

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                 // Use native navigator share

     

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                 navigator.share({

     

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                   url: '<?= htmlspecialchars(SITE_URL . $_SERVER['REQUEST_URI'], ENT_QUOTES, 'UTF-8') ?>'

     

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                   url: '<?= htmlspecialchars(SITE_BASE . $_SERVER['REQUEST_URI'], ENT_QUOTES, 'UTF-8') ?>'

     

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                 })

     

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               } else if (navigator.clipboard) {

     

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                 // Use Clipboard API

     

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                 navigator.clipboard.writeText('<?= htmlspecialchars(SITE_URL . $_SERVER['REQUEST_URI'], ENT_QUOTES, 'UTF-8') ?>')

     

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                 navigator.clipboard.writeText('<?= htmlspecialchars(SITE_BASE . $_SERVER['REQUEST_URI'], ENT_QUOTES, 'UTF-8') ?>')

     

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                   .then(() => {

     

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                     alert('URL copied to clipboard!')

     

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                   })