重构git凭证托管，改为操作系统托管

src-tauri/src/keyring_store.rs

@@ -0,0 +1,30 @@
+use keyring::Entry;
+
+const SERVICE_NAME: &str = "codeg";
+
+fn token_key(account_id: &str) -> String {
+    format!("github-token:{}", account_id)
+}
+
+pub fn set_token(account_id: &str, token: &str) -> Result<(), String> {
+    let entry = Entry::new(SERVICE_NAME, &token_key(account_id))
+        .map_err(|e| format!("keyring init error: {e}"))?;
+    entry
+        .set_password(token)
+        .map_err(|e| format!("keyring set error: {e}"))
+}
+
+pub fn get_token(account_id: &str) -> Option<String> {
+    let entry = Entry::new(SERVICE_NAME, &token_key(account_id)).ok()?;
+    entry.get_password().ok()
+}
+
+pub fn delete_token(account_id: &str) -> Result<(), String> {
+    let entry = Entry::new(SERVICE_NAME, &token_key(account_id))
+        .map_err(|e| format!("keyring init error: {e}"))?;
+    match entry.delete_credential() {
+        Ok(()) => Ok(()),
+        Err(keyring::Error::NoEntry) => Ok(()),
+        Err(e) => Err(format!("keyring delete error: {e}")),
+    }
+}