Implement timeout mechanism for getting authentication token

spotify_player/src/token.rs

@@ -1,6 +1,6 @@
 use std::collections::HashSet;
 
-use anyhow::{anyhow, Result};
+use anyhow::Result;
 use chrono::{Duration, Utc};
 use librespot_core::{keymaster, session::Session};
 use rspotify::Token;
@@ -24,13 +24,20 @@ const SCOPES: [&str; 15] = [
     "user-library-modify",
 ];
 
+const TIMEOUT_IN_SECS: u64 = 5;
+
 /// gets an authentication token with pre-defined permission scopes
 pub async fn get_token(session: &Session, client_id: &str) -> Result<Token> {
     tracing::info!("Getting new authentication token...");
 
-    let token = keymaster::get_token(session, client_id, &SCOPES.join(","))
-        .await
-        .map_err(|err| anyhow!(format!("failed to get token: {err:#?}")))?;
+    let scopes = SCOPES.join(",");
+    let fut = keymaster::get_token(session, client_id, &scopes);
+    let token =
+        match tokio::time::timeout(std::time::Duration::from_secs(TIMEOUT_IN_SECS), fut).await {
+            Ok(Ok(token)) => token,
+            Ok(Err(err)) => anyhow::bail!("failed to get the token: {:?}", err),
+            Err(_) => anyhow::bail!("timeout when getting the token"),
+        };
 
     // converts the token returned by librespot `get_token` function to a `rspotify::Token`