Add dynamic index

rurema · Sep 19, 2024 · 04ee597 · 04ee597
1 parent caf4480
commit 04ee597
Showing 1 changed file with 32 additions and 1 deletion.
diff --git a/config.ru b/config.ru
@@ -1 +1,32 @@
-run Rack::Directory.new('/tmp/html')
+require 'rack/static'
+
+HTML_DIRECTORY_BASE = ENV.fetch("HTML_DIRECTORY_BASE", "/tmp/html/")
+
+use Rack::Static, urls: [''], root: HTML_DIRECTORY_BASE, index: 'index.html', cascade: true
+run do |env|
+  path_info = env[Rack::PATH_INFO]
+  if path_info == '/index.html'
+    links = []
+    Dir.glob(File.join(HTML_DIRECTORY_BASE, '*.*/doc/index.html')).each do |path|
+      path = path.delete_prefix(HTML_DIRECTORY_BASE)
+      links.push %Q[<li><a href="#{path}">#{path}</a></li>\n]
+    end
+    html = [<<-'HTML', *links.sort.reverse, <<-'HTML']
+<!DOCTYPE html>
+<html lang="ja-JP">
+<head>
+<meta name="robots" content="noindex">
+<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
+</head>
+<body>
+<ul>
+HTML
+</ul>
+</body>
+</html>
+HTML
+    [200, {'content-type' => 'text/html; charset=utf-8'}, html]
+  else
+    [404, {'content-type' => 'text/plain; charset=utf-8'}, ["File not found: #{path_info}"]]
+  end
+end