add auth middleware

http-api/routes/lookup/__init__.py

@@ -0,0 +1,32 @@
+from http import HTTPStatus
+
+from aws_lambda_powertools.event_handler import Response, content_types
+from aws_lambda_powertools.event_handler.api_gateway import Router
+from elasticsearch import Elasticsearch
+from elasticsearch_dsl import Search
+from layercake.funcs import pick
+
+from settings import ELASTIC_CONN, USER_TABLE
+
+router = Router()
+elastic_client = Elasticsearch(**ELASTIC_CONN)
+
+
+@router.get('/<username>', include_in_schema=False)
+def lookup(username: str):
+    s = Search(using=elastic_client, index=USER_TABLE).query(
+        'bool',
+        should=[
+            {'term': {'email.keyword': username}},
+            {'term': {'cpf.keyword': username}},
+        ],
+        minimum_should_match=1,
+    )
+
+    for hit in s.execute():
+        return pick(('id', 'name', 'email', 'cognito:sub'), hit.to_dict())
+
+    return Response(
+        content_type=content_types.APPLICATION_JSON,
+        status_code=HTTPStatus.NOT_FOUND,
+    )