feat: add noindex meta tag to IP query result pages

src/handlers.rs

@@ -34,6 +34,7 @@ pub struct AppState {
 struct IndexTemplate {
     ip: String,
     query: String,
+    is_query: bool,
     site_domain: Arc<str>,
     css_version: u64,
     asn: String,
@@ -554,9 +555,11 @@ pub async fn root(
 
     let t = build_translations(locale);
 
+    let is_query = query.ip.is_some();
     let template = IndexTemplate {
         ip: info.ip.clone(),
         query: query.ip.unwrap_or_default(),
+        is_query,
         site_domain: state.site_domain.clone(),
         css_version: static_assets::asset_version("style.css"),
         asn: format_asn(&info),

templates/index.html

@@ -3,10 +3,11 @@
 {% block title %}{{ t_title }} - {{ site_domain }}{% endblock %}
 
 {% block head_meta %}
+  {% if is_query %}
+  <meta name="robots" content="noindex, nofollow">
+  {% else %}
   <meta name="description" content="{{ t_description }}">
   <link rel="canonical" href="https://{{ site_domain }}/{{ lang_tag }}">
-  <meta name="theme-color" content="#007AFF" media="(prefers-color-scheme: light)">
-  <meta name="theme-color" content="#0A84FF" media="(prefers-color-scheme: dark)">
   <meta property="og:title" content="{{ t_title }} - {{ site_domain }}">
   <meta property="og:description" content="{{ t_description }}">
   <meta property="og:type" content="website">
@@ -18,6 +19,9 @@
   <link rel="alternate" hreflang="{{ l.tag() }}" href="https://{{ site_domain }}/{{ l.tag() }}">
   {% endfor %}
   <link rel="alternate" hreflang="x-default" href="https://{{ site_domain }}/">
+  {% endif %}
+  <meta name="theme-color" content="#007AFF" media="(prefers-color-scheme: light)">
+  <meta name="theme-color" content="#0A84FF" media="(prefers-color-scheme: dark)">
 {% endblock %}
 
 {% block head_preconnect %}

tests/integration.rs

@@ -674,11 +674,14 @@ async fn html_contains_seo_meta_tags() {
     let app = build_test_app();
     let (status, body) = get_with_headers(
         &app,
-        "/en?ip=45.77.77.77",
-        vec![(
-            "User-Agent",
-            "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36",
-        )],
+        "/en",
+        vec![
+            (
+                "User-Agent",
+                "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36",
+            ),
+            ("CF-Connecting-IP", "45.77.77.77"),
+        ],
     )
     .await;
     assert_eq!(status, StatusCode::OK);
@@ -692,6 +695,28 @@ async fn html_contains_seo_meta_tags() {
     assert!(body.contains("hreflang=\"en\""));
     assert!(body.contains("hreflang=\"x-default\""));
     assert!(body.contains("hreflang=\"es\""));
+    assert!(!body.contains("noindex"));
+}
+
+#[tokio::test]
+async fn html_query_result_has_noindex() {
+    let app = build_test_app();
+    let (status, body) = get_with_headers(
+        &app,
+        "/en?ip=45.77.77.77",
+        vec![(
+            "User-Agent",
+            "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36",
+        )],
+    )
+    .await;
+    assert_eq!(status, StatusCode::OK);
+    assert!(body.contains("<meta name=\"robots\" content=\"noindex, nofollow\">"));
+    assert!(!body.contains("<meta name=\"description\""));
+    assert!(!body.contains("<link rel=\"canonical\""));
+    assert!(!body.contains("<meta property=\"og:title\""));
+    assert!(!body.contains("hreflang="));
+    assert!(body.contains("<meta name=\"theme-color\""));
 }
 
 #[tokio::test]