chore: import upstream snapshot with attribution

api/server/services/Config/loadAsyncEndpoints.js

@@ -0,0 +1,58 @@
+const path = require('path');
+const fs = require('fs/promises');
+const { logger } = require('@librechat/data-schemas');
+const { loadServiceKey, isUserProvided } = require('@librechat/api');
+const { config } = require('./EndpointService');
+
+const defaultServiceKeyPath = path.join(__dirname, '../../..', 'data', 'auth.json');
+
+async function getServiceKeyPath() {
+  const serviceKeyPath = process.env.GOOGLE_SERVICE_KEY_FILE?.trim();
+  if (serviceKeyPath) {
+    return serviceKeyPath;
+  }
+
+  try {
+    await fs.access(defaultServiceKeyPath);
+    return defaultServiceKeyPath;
+  } catch (error) {
+    if (error?.code !== 'ENOENT') {
+      logger.warn(
+        `Unable to access default Google service key file: ${defaultServiceKeyPath}`,
+        error,
+      );
+    }
+    return null;
+  }
+}
+
+async function loadAsyncEndpoints() {
+  let serviceKey;
+  let googleUserProvides = false;
+  const { googleKey } = config;
+
+  /** Check if GOOGLE_KEY is provided at all(including 'user_provided') */
+  const isGoogleKeyProvided = googleKey && googleKey.trim() !== '';
+
+  if (isGoogleKeyProvided) {
+    /** If GOOGLE_KEY is provided, check if it's user_provided */
+    googleUserProvides = isUserProvided(googleKey);
+  } else {
+    const serviceKeyPath = await getServiceKeyPath();
+
+    if (serviceKeyPath) {
+      try {
+        serviceKey = await loadServiceKey(serviceKeyPath);
+      } catch (error) {
+        logger.warn('Error loading Google service key', error);
+        serviceKey = null;
+      }
+    }
+  }
+
+  const google = serviceKey || isGoogleKeyProvided ? { userProvide: googleUserProvides } : false;
+
+  return { google };
+}
+
+module.exports = loadAsyncEndpoints;