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src/servers/api/file-browser/router.ts

@@ -79,6 +79,23 @@ router.get('/read', async (ctx) => {
   return ctx.json({ content, size: s.size });
 });
 
+// Write file contents
+router.post('/write', async (ctx) => {
+  const user = ctx.get('user');
+  const rootDir = getRootDir(user, ctx.req.query('root') ?? undefined);
+  const { path, content } = ctx.get('body') as { path: string; content: string };
+  if (!path) throw errors.BAD_REQUEST('path is required');
+  if (typeof content !== 'string') throw errors.BAD_REQUEST('content must be a string');
+
+  const MAX_SIZE = 5 * 1024 * 1024; // 5 MB
+  if (new TextEncoder().encode(content).length > MAX_SIZE) throw errors.BAD_REQUEST('Content too large (max 5 MB)');
+
+  const absPath = resolveUserPath(rootDir, path);
+  await mkdir(dirname(absPath), { recursive: true });
+  await Bun.write(absPath, content);
+  return ctx.json({ ok: true });
+});
+
 // Create directory
 router.post('/mkdir', async (ctx) => {
   const user = ctx.get('user');