control search engine visibility

index.html

@@ -5,7 +5,6 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0"/>
     <link rel="apple-touch-icon" sizes="180x180" href="/apple-touch-icon.png">
     <link rel="icon" type="image/svg+xml" href="/icon.svg"/>
-    <link rel="manifest" href="/site.webmanifest">
     <link rel="mask-icon" href="/safari-pinned-tab.svg" color="#5bbad5">
     <meta name="theme-color" content="#5cdd8b"/>
     <meta name="description" content="Uptime Kuma monitoring tool"/>

public/robots.txt

@@ -1,3 +0,0 @@
-# https://www.robotstxt.org/robotstxt.html
-User-agent: *
-Disallow:

server/server.js

@@ -88,16 +88,26 @@ let indexHTML = fs.readFileSync("./dist/index.html").toString();
 
     // Normal Router here
 
-    app.use("/", express.static("dist"));
+    // Robots.txt
+    app.get("/robots.txt", async (_request, response) => {
+        let txt = "User-agent: *\nDisallow:";
+        if (! await setting("searchEngineIndex")) {
+            txt += " /";
+        }
+        response.setHeader("Content-Type", "text/plain");
+        response.send(txt);
+    });
 
     // Basic Auth Router here
 
     // Prometheus API metrics  /metrics
     // With Basic Auth using the first user's username/password
-    app.get("/metrics", basicAuth, prometheusAPIMetrics())
+    app.get("/metrics", basicAuth, prometheusAPIMetrics());
+
+    app.use("/", express.static("dist"));
 
     // Universal Route Handler, must be at the end
-    app.get("*", function(_request, response) {
+    app.get("*", async (_request, response) => {
         response.send(indexHTML);
     });
 

src/pages/Settings.vue

@@ -42,13 +42,13 @@
                         <label class="form-label">Search Engine Visibility</label>
 
                         <div class="form-check">
-                            <input id="searchEngineIndexYes" v-model="settings.searchEngineIndex" class="form-check-input" type="radio" name="flexRadioDefault">
+                            <input id="searchEngineIndexYes" v-model="settings.searchEngineIndex" class="form-check-input" type="radio" name="flexRadioDefault" :value="true" required>
                             <label class="form-check-label" for="searchEngineIndexYes">
                                 Allow indexing
                             </label>
                         </div>
                         <div class="form-check">
-                            <input id="searchEngineIndexNo" v-model="settings.searchEngineIndex" class="form-check-input" type="radio" name="flexRadioDefault">
+                            <input id="searchEngineIndexNo" v-model="settings.searchEngineIndex" class="form-check-input" type="radio" name="flexRadioDefault" :value="false" required>
                             <label class="form-check-label" for="searchEngineIndexNo">
                                 Discourage search engines from indexing site
                             </label>
@@ -185,7 +185,7 @@ export default {
 
         saveGeneral() {
             localStorage.timezone = this.$root.userTimezone;
-            toast.success("Saved.")
+            this.saveSettings();
         },
 
         savePassword() {