Enable checkboxes on page load

[voter] / src / main.rs
diff --git a/src/main.rs b/src/main.rs

index 994ffac9b049ab2c6a8d0795ea067a47e5e9e663..bd329fab9f9c864679d5e988e94fbc7cecceee8f 100644 (file)
--- a/src/main.rs
+++ b/src/main.rs
@@ -45,14 +45,16 @@ fn get_voter(request: &cgi::Request) -> Result<&[u8], cgi::Response> {
  }
  
  fn make_random_id() -> [u8; COOKIE_LENGTH] {
  }
  
  fn make_random_id() -> [u8; COOKIE_LENGTH] {
-    std::iter::from_fn(random)
-        .filter(|c| {
-            (b'A'..=b'Z').contains(c) || (b'a'..=b'z').contains(c) || (b'0'..=b'9').contains(c)
-        })
-        .take(COOKIE_LENGTH)
-        .collect::<Vec<_>>()
-        .try_into()
-        .unwrap()
+    let mut id = [0; COOKIE_LENGTH];
+    for i in 0..COOKIE_LENGTH {
+        while !(b'A'..=b'Z').contains(&id[i])
+            && !(b'a'..=b'z').contains(&id[i])
+            && !(b'0'..=b'9').contains(&id[i])
+        {
+            id[i] = random()
+        }
+    }
+    id
  }
  
  fn set_cookie(mut response: cgi::Response, path: &str) -> Result<cgi::Response, cgi::Response> {
  }
  
  fn set_cookie(mut response: cgi::Response, path: &str) -> Result<cgi::Response, cgi::Response> {
@@ -73,19 +75,42 @@ fn set_cookie(mut response: cgi::Response, path: &str) -> Result<cgi::Response,
      Ok(response)
  }
  
      Ok(response)
  }
  
+const HTML_HEADER: &str = "<!DOCTYPE html>
+<html>
+  <head>
+    <meta charset=\"utf-8\">
+    <title>Vote!</title>
+    <style>
+      input { transform: scale(1.5) }
+    </style>
+    <script>
+      window.onload = function() {
+        for (cb of document.getElementsByTagName('input')) {
+          cb.disabled = false
+        }
+      }
+    </script>
+  </head>
+  <body>
+    <table>";
+const HTML_FOOTER: &str = "
+    </table>
+  </body>
+</html>";
+
  fn prompt_for_vote(dir: PathBuf, request: cgi::Request) -> Result<cgi::Response, cgi::Response> {
      let voter = get_voter(&request);
      let cfile = std::fs::File::open(dir.join("candidates"))
          .map_err(|_| cgi::text_response(503, "No candidates"))?;
      let mut response = cgi::html_response(
          200,
  fn prompt_for_vote(dir: PathBuf, request: cgi::Request) -> Result<cgi::Response, cgi::Response> {
      let voter = get_voter(&request);
      let cfile = std::fs::File::open(dir.join("candidates"))
          .map_err(|_| cgi::text_response(503, "No candidates"))?;
      let mut response = cgi::html_response(
          200,
-        std::iter::once(Ok("<html><body><table>".to_owned()))
-            .chain(
-                std::io::BufReader::new(cfile)
-                    .lines()
-                    .map(|rc| rc.map(|c| format!("<tr><td>{c}</td></tr>"))),
-            )
-            .chain(std::iter::once(Ok("</table></body></html>".to_owned())))
+        std::iter::once(Ok(HTML_HEADER.to_owned()))
+            .chain(std::io::BufReader::new(cfile).lines().map(|rc| {
+                rc.map(|c| {
+                    format!("<tr><td><input type=\"checkbox\" disabled></td><td>{c}</td></tr>")
+                })
+            }))
+            .chain(std::iter::once(Ok(HTML_FOOTER.to_owned())))
              .collect::<std::io::Result<String>>()
              .map_err(|_| cgi::text_response(503, "Missing candidates"))?,
      );
              .collect::<std::io::Result<String>>()
              .map_err(|_| cgi::text_response(503, "Missing candidates"))?,
      );