diff --git a/src/redux/user/actions.js b/src/redux/user/actions.js
index d788c39..2a9e102 100644
--- a/src/redux/user/actions.js
+++ b/src/redux/user/actions.js
@@ -48,3 +48,5 @@ export const setReady = ready => ({ type: ACTIONS.SET_READY, ready });
 
 export const gotVkUser = user => ({ type: ACTIONS.GOT_VK_USER, user });
 export const keyPressed = ({ key }) => ({ type: ACTIONS.KEY_PRESSED, key });
+
+export const iframeLoginVk = payload => ({ type: ACTIONS.IFRAME_LOGIN_VK, ...payload });
diff --git a/src/redux/user/constants.js b/src/redux/user/constants.js
index a25340d..4a60ebf 100644
--- a/src/redux/user/constants.js
+++ b/src/redux/user/constants.js
@@ -48,4 +48,6 @@ export const ACTIONS = ({
 
   GOT_VK_USER: 'GOT_VK_USER',
   KEY_PRESSED: 'KEY_PRESSED',
+
+  IFRAME_LOGIN_VK: 'IFRAME_LOGIN_VK',
 }: { [key: String]: String });
diff --git a/src/redux/user/sagas.js b/src/redux/user/sagas.js
index 101191f..ad953ad 100644
--- a/src/redux/user/sagas.js
+++ b/src/redux/user/sagas.js
@@ -12,7 +12,7 @@ import {
   setSaveOverwrite, setSaveSuccess, setTitle,
   setUser
 } from '$redux/user/actions';
-import { getUrlData, pushPath } from '$utils/history';
+import { getUrlData, parseQuery, pushPath } from '$utils/history';
 import { editor } from '$modules/Editor';
 import { ACTIONS } from '$redux/user/constants';
 import { MODES } from '$constants/modes';
@@ -101,9 +101,18 @@ function* loadMapSaga(path) {
   return map;
 }
 
+function* iframeLoginVkSaga({ viewer_id, access_token, auth_key }) {
+  return yield console.log('GOT', { viewer_id, access_token, auth_key });
+}
+
 function* mapInitSaga() {
   const { hash } = getUrlData();
 
+  if (window.location.search) {
+    const { viewer_id, access_token, auth_key } = yield parseQuery(window.location.search);
+    if (viewer_id && access_token && auth_key) yield put(iframeLoginVk({ viewer_id, access_token, auth_key }));
+  }
+
   if (hash && /^#map/.test(hash)) {
     const [, newUrl] = hash.match(/^#map[:/?!](.*)$/);
 
@@ -421,4 +430,6 @@ export function* userSaga() {
 
   yield takeLatest(ACTIONS.GOT_VK_USER, gotVkUserSaga);
   yield takeLatest(ACTIONS.KEY_PRESSED, keyPressedSaga);
+
+  yield takeLatest(ACTIONS.IFRAME_LOGIN_VK, iframeLoginVkSaga);
 }