Initial commit

shared/auth.js

@@ -0,0 +1,32 @@
+const path = require('path');
+const { authNodesDir } = require('./paths');
+const { readJsonIfExists, writeJson } = require('./fs');
+
+function nodeTokenPath(nodeId) {
+  return path.join(authNodesDir, `${nodeId}.json`);
+}
+
+async function getNodeToken(nodeId) {
+  return readJsonIfExists(nodeTokenPath(nodeId));
+}
+
+async function verifyNodeToken(nodeId, token) {
+  const record = await getNodeToken(nodeId);
+  return Boolean(record && record.node_id === nodeId && record.token === token);
+}
+
+async function saveNodeToken(nodeId, token) {
+  await writeJson(nodeTokenPath(nodeId), {
+    node_id: nodeId,
+    token,
+    schema_version: 'v1',
+    updated_at: new Date().toISOString(),
+  });
+}
+
+module.exports = {
+  getNodeToken,
+  verifyNodeToken,
+  saveNodeToken,
+};
+