Monorepo for Tangled
tangled.org
sites: enforce trailing slash canonical redirects for sub-path sites
Redirect directory-like paths to their trailing slash variants
(e.g. /docs -> /docs/) to ensure consistent canonical URLs and
relative asset resolution for sub-path sites.
author
![]()
andreruffert.com
committer
Tangled
date
(May 18, 2026, 3:36 PM +0300)
commit
8fdcf82c
8fdcf82cd13f61e11789c14a0013e85fcfc64cfb
parent
81ab1c86
81ab1c86635deec58ef76eb8bdab6928c63a9bd8
+28
+28
sites/src/lib.rs
+28
sites/src/lib.rs
···
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}
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}
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/// Returns true when a directory-like path is missing a trailing slash.
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///
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/// Examples:
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/// - "/docs" => true
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/// - "/docs/" => false
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/// - "/file.txt" => false
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/// - "/" => false
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fn needs_trailing_slash(path: &str) -> bool {
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if path == "/" || path.ends_with('/') {
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return false;
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}
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let last_segment = path.rsplit('/').next().unwrap_or(path);
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!last_segment.contains('.')
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}
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/// Return the canonical URL with a trailing slash appended to the path.
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fn with_trailing_slash(url: &Url) -> String {
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let mut url = url.clone();
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url.set_path(&format!("{}/", url.path()));
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url.to_string()
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}
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/// Fetch an object from R2, falling back to appending /index.html if the
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/// key looks like a directory (no file extension in the last segment).
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async fn fetch_from_r2(bucket: &Bucket, key: &str) -> Result<Option<Object>> {
···
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if is_excluded(path) {
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return Fetch::Request(req).send().await;
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}
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// Canonical redirect for directory-like paths.
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if needs_trailing_slash(path) {
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let redirect_url = with_trailing_slash(&url);
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return Response::redirect(redirect_url.parse()?, 308);
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}
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// Single KV lookup for the whole domain.