Record local email for social users where possible (#14029)

* fix(auth): record local email for social users where possible

* fix(auth): Apple emails are junk, prefer Google

* fix(auth): correct placement of logic to save local email

* fix(auth): run full function in both workflows to avoid conflicts

Co-authored-by: SabreCat <sabe@habitica.com>

website/server/controllers/api-v3/auth.js

@@ -19,6 +19,7 @@ import {
   hasBackupAuth,
   loginSocial,
   registerLocal,
+  socialEmailToLocal,
 } from '../../libs/auth';
 import { verifyUsername } from '../../libs/user/validation';
 
@@ -478,6 +479,7 @@ api.resetPasswordSetNewOne = {
     // set new password and make sure it's using bcrypt for hashing
     await passwordUtils.convertToBcrypt(user, String(newPassword));
     user.auth.local.passwordResetCode = undefined; // Reset saved password reset code
+    if (!user.auth.local.email) user.auth.local.email = await socialEmailToLocal(user);
     await user.save();
 
     return res.respond(200, {}, res.t('passwordChangeSuccess'));

website/server/libs/auth/index.js

@@ -12,7 +12,10 @@ import common from '../../../common';
 import logger from '../logger';
 import { decrypt } from '../encryption';
 import { model as Group } from '../../models/group';
-import { loginSocial } from './social';
+import {
+  loginSocial,
+  socialEmailToLocal,
+} from './social';
 import { loginRes } from './utils';
 import { verifyUsername } from '../user/validation';
 
@@ -227,4 +230,5 @@ export {
   hasLocalAuth,
   loginSocial,
   registerLocal,
+  socialEmailToLocal,
 };

website/server/libs/auth/social.js

@@ -23,6 +23,21 @@ function _passportProfile (network, accessToken) {
   });
 }
 
+export async function socialEmailToLocal (user) {
+  const socialEmail = (user.auth.google && user.auth.google.emails
+    && user.auth.google.emails[0].value)
+    || (user.auth.facebook && user.auth.facebook.emails && user.auth.facebook.emails[0].value)
+    || (user.auth.apple && user.auth.apple.emails && user.auth.apple.emails[0].value);
+  if (socialEmail) {
+    const conflictingUser = await User.findOne(
+      { 'auth.local.email': socialEmail },
+      { _id: 1 },
+    ).exec();
+    if (!conflictingUser) return socialEmail;
+  }
+  return null;
+}
+
 export async function loginSocial (req, res) { // eslint-disable-line import/prefer-default-export
   let existingUser = res.locals.user;
   const { network } = req.body;
@@ -45,17 +60,23 @@ export async function loginSocial (req, res) { // eslint-disable-line import/pre
     [`auth.${network}.id`]: profile.id,
   }, { _id: 1, apiToken: 1, auth: 1 }).exec();
 
+  let email;
+  if (profile.emails && profile.emails[0] && profile.emails[0].value) {
+    email = profile.emails[0].value.toLowerCase();
+  }
+
   // User already signed up
   if (user) {
     if (existingUser) {
       throw new NotAuthorized(res.t('socialAlreadyExists'));
     }
-    return loginRes(user, req, res);
+    if (!user.auth.local.email) {
+      user.auth.local.email = await socialEmailToLocal(user);
+      if (user.auth.local.email) {
+        await user.save();
       }
-
-  let email;
-  if (profile.emails && profile.emails[0] && profile.emails[0].value) {
-    email = profile.emails[0].value.toLowerCase();
+    }
+    return loginRes(user, req, res);
   }
 
   if (!existingUser && email) {