diff --git a/lib/data/auth.dart b/lib/data/auth.dart
new file mode 100644
index 0000000..7761a30
--- /dev/null
+++ b/lib/data/auth.dart
@@ -0,0 +1,11 @@
+import 'dart:convert';
+
+String getSession(userId, sessionToken) {
+  var sessionData = {
+    "user_id": userId,
+    "session_token": sessionToken
+  };
+  var sessionRaw = jsonEncode(sessionData).toString();
+  var sessionEncoded = base64.encode(utf8.encode(sessionRaw));
+  return sessionEncoded;
+}
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