Modify Service::new() to handle empty password

Login password can't be empty. So, included a `panic!` to handle it.

Signed-off-by: Dhanuka Warusadura <dhanuka@gnome.org>

server/src/daemon/service.rs

@@ -286,9 +286,13 @@ impl Service {
 }
 
 impl Service {
-    pub async fn new(password: String) -> Self {
+    pub async fn new(password: Option<String>) -> Self {
         let path = format!("{}/{}", env::var("HOME").unwrap(), LOGIN_KEYRING_PATH);
-        let secret = Secret::from(password.into_bytes());
+        let secret = match password {
+            Some(pwd) => Secret::from(pwd.into_bytes()),
+            None => panic!("Login password can't be empty."),
+        };
+
         Self {
             collections: Arc::new(RwLock::new(Vec::new())),
             keyring: Arc::new(Keyring::load(path, secret).await.unwrap()),

server/src/main.rs

@@ -27,11 +27,12 @@ struct Args {
 #[tokio::main]
 async fn main() -> daemon::Result<()> {
     let args = Args::parse();
-    let mut password = String::new();
+    let mut password = None;
     tracing_subscriber::fmt::init();
 
     if args.login {
-        password = rpassword::prompt_password("Enter the login password: ").unwrap();
+        password = Some(rpassword::prompt_password("Enter the login password: ").unwrap());
+        // TODO fix this unwrap
     }
 
     tracing::info!("Starting {}", BINARY_NAME);