diff --git a/src/middleware/index.js b/src/middleware/index.js
new file mode 100644
index 0000000..4f26450
--- /dev/null
+++ b/src/middleware/index.js
@@ -0,0 +1,11 @@
+export function errorMiddleware() {
+  return async (ctx, next) => {
+    try {
+      await next()
+    } catch (err) {
+      ctx.status = err.status || 500
+      ctx.body = err.message
+      ctx.app.emit('error', err, ctx)
+    }
+  }
+}
diff --git a/src/middleware/validators.js b/src/middleware/validators.js
new file mode 100644
index 0000000..1865312
--- /dev/null
+++ b/src/middleware/validators.js
@@ -0,0 +1,25 @@
+import User from '../models/users'
+import config from '../../config/config'
+import { verify } from 'jsonwebtoken'
+
+export async function ensureUser(ctx, next) {
+  const { token } = ctx.query
+
+  if (!token) {
+    ctx.throw(401)
+  }
+
+  let decoded = null
+  try {
+    decoded = verify(token, config.tokenSecret)
+  } catch (err) {
+    ctx.throw(401)
+  }
+
+  const user = await User.findById(decoded.id, '-password -salt')
+  if (!user) {
+    ctx.throw(401)
+  }
+
+  return next()
+}