Baseline project

src/client/access_token.rs

@@ -0,0 +1,32 @@
+use anyhow::{anyhow, Result};
+use chrono::Utc;
+use indexmap::IndexMap;
+use parking_lot::RwLock;
+use std::sync::LazyLock;
+
+static ACCESS_TOKENS: LazyLock<RwLock<IndexMap<String, (String, i64)>>> =
+    LazyLock::new(|| RwLock::new(IndexMap::new()));
+
+pub fn get_access_token(client_name: &str) -> Result<String> {
+    ACCESS_TOKENS
+        .read()
+        .get(client_name)
+        .map(|(token, _)| token.clone())
+        .ok_or_else(|| anyhow!("Invalid access token"))
+}
+
+pub fn is_valid_access_token(client_name: &str) -> bool {
+    let access_tokens = ACCESS_TOKENS.read();
+    let (token, expires_at) = match access_tokens.get(client_name) {
+        Some(v) => v,
+        None => return false,
+    };
+    !token.is_empty() && Utc::now().timestamp() < *expires_at
+}
+
+pub fn set_access_token(client_name: &str, token: String, expires_at: i64) {
+    let mut access_tokens = ACCESS_TOKENS.write();
+    let entry = access_tokens.entry(client_name.to_string()).or_default();
+    entry.0 = token;
+    entry.1 = expires_at;
+}