Add manifest

src/main.rs

@@ -1,31 +1,30 @@
 use std::{
     env,
-    fs::{File, OpenOptions},
+    fs::OpenOptions,
     io::{BufRead, BufReader, Write},
 };
 
 use maud::{html, Markup, DOCTYPE};
-use rouille::{input::basic_http_auth, post_input, router, try_or_400, Response};
+use rouille::{input::basic_http_auth, post_input, router, try_or_400, Request, Response};
 
 const TASKS: &str = "tasks.txt";
 
 fn main() {
-    let LOGIN: String = env::var("LOGIN").unwrap();
-    let PASSWORD: String = env::var("PASSWORD").unwrap();
+    let login: String = env::var("LOGIN").unwrap();
+    let password: String = env::var("PASSWORD").unwrap();
 
     rouille::start_server("0.0.0.0:8000", move |request| {
-        // Authenticate
-        let auth = match basic_http_auth(request) {
-            Some(a) => a,
-            None => return Response::basic_http_auth_login_required("app"),
-        };
-        if auth.login != LOGIN || auth.password != PASSWORD {
+        if !authenticated(&request, &login, &password) {
             return Response::basic_http_auth_login_required("app");
         }
-
-        // Route
         router!(request,
             (GET) ["/"] => { index() },
+            (GET) ["manifest.json"] => {
+                Response::from_data("application/manifest+json", include_bytes!("manifest.json"))
+            },
+            (GET) ["/icon.png"] => {
+                Response::from_data("image/png", include_bytes!("icon.png"))
+            },
             (POST) ["/add"] => {
                 let input = try_or_400!(post_input!(request, {
                     task: String,
@@ -38,6 +37,13 @@ fn main() {
     });
 }
 
+fn authenticated(request: &Request, login: &str, password: &str) -> bool {
+    match basic_http_auth(request) {
+        Some(a) => a.login == login && a.password == password,
+        None => false,
+    }
+}
+
 fn index() -> Response {
     Response::html(html!(
         (DOCTYPE)
@@ -47,6 +53,8 @@ fn index() -> Response {
                 meta name="viewport" content="width=device-width, initial-scale=1";
                 title { "To-do" }
                 link rel="stylesheet" href="https://unpkg.com/mvp.css@1.17.0";
+                link rel="manifest" href="manifest.json";
+                link rel="icon" href="/icon.png";
                 script src="https://unpkg.com/htmx.org@2.0.3" {}
             }
             body {

src/manifest.json

@@ -0,0 +1,11 @@
+{
+    "short_name": "To-do",
+    "start_url": "/",
+    "display": "standalone",
+    "icons": [
+        {
+            "src": "/icon.png",
+            "sizes": "512x512"
+        }
+    ]
+}