Change grandfathered file from JSON to plain text (one email per line)

Co-Authored-By: Claude Opus 4.6 <[email protected]>

Author: lawrencehook

server/src/config.js

@@ -33,5 +33,5 @@ module.exports = {
   get DATA_DIR() { return process.env.DATA_DIR || './data'; },
   AUTH_REQUESTS_DIR: 'auth-requests',
   RATE_LIMITS_DIR: 'rate-limits',
-  GRANDFATHERED_FILE: 'grandfathered.json',
+  GRANDFATHERED_FILE: 'grandfathered.txt',
 };

server/src/storage/index.js

@@ -34,10 +34,8 @@ function readGrandfatheredEmails() {
   try {
     const filePath = path.join(getDataDir(), config.GRANDFATHERED_FILE);
     if (fs.existsSync(filePath)) {
-      const data = JSON.parse(fs.readFileSync(filePath, 'utf8'));
-      if (Array.isArray(data)) {
-        return new Set(data.filter(e => typeof e === 'string').map(e => e.toLowerCase()));
-      }
+      const lines = fs.readFileSync(filePath, 'utf8').split('\n');
+      return new Set(lines.map(l => l.trim().toLowerCase()).filter(l => l && !l.startsWith('#')));
     }
   } catch (err) {
     console.error('Failed to read grandfathered emails:', err.message);

server/tests/license.test.js

@@ -95,7 +95,7 @@ describe('License Routes', () => {
     it('should return license token with premium and grandfathered for grandfathered user', async () => {
       // Set up grandfathered file
       const grandfatheredFile = path.join(testDataDir, config.GRANDFATHERED_FILE);
-      fs.writeFileSync(grandfatheredFile, JSON.stringify(['[email protected]']));
+      fs.writeFileSync(grandfatheredFile, '[email protected]\n');
 
 
       const token = generateSessionToken('[email protected]');
@@ -115,7 +115,7 @@ describe('License Routes', () => {
 
     it('should handle grandfathered check case-insensitively', async () => {
       const grandfatheredFile = path.join(testDataDir, config.GRANDFATHERED_FILE);
-      fs.writeFileSync(grandfatheredFile, JSON.stringify(['[email protected]']));
+      fs.writeFileSync(grandfatheredFile, '[email protected]\n');
 
 
       // Token with lowercase email

server/tests/storage.test.js

@@ -133,10 +133,7 @@ describe('Storage', () => {
   describe('Grandfathered Emails', () => {
     it('should read grandfathered emails from file', () => {
       const grandfatheredFile = path.join(testDataDir, config.GRANDFATHERED_FILE);
-      fs.writeFileSync(grandfatheredFile, JSON.stringify([
-        '[email protected]',
-        '[email protected]', // Test case insensitivity
-      ]));
+      fs.writeFileSync(grandfatheredFile, '[email protected]\[email protected]\n');
 
       assert.strictEqual(storage.isGrandfathered('[email protected]'), true);
       assert.strictEqual(storage.isGrandfathered('[email protected]'), true);