Source Code

The entire project, readable in your browser. No hidden JavaScript, no sneaky beacons. If we claimed we don't track you, this is where you check.

File Tree

Pages/

Feeds/

Backend/

scan.php

Includes/

Stylesheet/

style.css

JavaScript/

data/counter.txt and data/guestbook.txt hold visitor-supplied content (a number and signed messages), so they are not shown here.

rss.php (1.8 KB, 51 lines)

   1  <?php
   2  /**
   3   * rss.php  --  RSS 2.0 feed of site updates (from config's UPDATE_LOG).
   4   * Pure XML output. No storage, no tracking.
   5   */
   6  require_once __DIR__ . '/includes/config.php';
   7  require_once __DIR__ . '/includes/functions.php';
   8  
   9  // Build absolute site URL for the feed's links.
  10  $scheme = is_https() ? 'https' : 'http';
  11  $host   = isset($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : 'localhost';
  12  $siteUrl = $scheme . '://' . $host . BASE_URL;
  13  
  14  $updates = isset($GLOBALS['UPDATE_LOG']) ? $GLOBALS['UPDATE_LOG'] : array();
  15  
  16  if (!headers_sent()) {
  17      header('Content-Type: application/rss+xml; charset=UTF-8');
  18      header('X-Content-Type-Options: nosniff');
  19  }
  20  
  21  /** Escape text for XML. */
  22  function xml_esc($s) {
  23      return htmlspecialchars((string)$s, ENT_QUOTES | ENT_XML1, 'UTF-8');
  24  }
  25  
  26  echo '<?xml version="1.0" encoding="UTF-8"?>' . "\n";
  27  ?>
  28  <rss version="2.0">
  29    <channel>
  30      <title><?php echo xml_esc(SITE_NAME); ?></title>
  31      <link><?php echo xml_esc($siteUrl . '/index.php'); ?></link>
  32      <description><?php echo xml_esc(SITE_TAGLINE); ?></description>
  33      <language>en-us</language>
  34      <generator>Handmade PHP, no libraries</generator>
  35      <lastBuildDate><?php echo xml_esc(http_date(latest_update_timestamp())); ?></lastBuildDate>
  36      <docs>https://www.rssboard.org/rss-specification</docs>
  37  <?php foreach ($updates as $u):
  38          $ts = strtotime($u[0] . ' 12:00:00 UTC');
  39          $link = $siteUrl . '/about.php#' . rawurlencode($u[0]);
  40  ?>
  41      <item>
  42        <title><?php echo xml_esc($u[1]); ?></title>
  43        <link><?php echo xml_esc($link); ?></link>
  44        <guid isPermaLink="false"><?php echo xml_esc('whatcanilearn-' . $u[0] . '-' . md5($u[1])); ?></guid>
  45        <pubDate><?php echo xml_esc(http_date($ts)); ?></pubDate>
  46        <description><?php echo xml_esc($u[2]); ?></description>
  47      </item>
  48  <?php endforeach; ?>
  49    </channel>
  50  </rss>
  51

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