feat: Guest email authentication (#1088)

* feat: API endpoints for email signin

* fix: After testing

* Initial signin flow working

* move shared middleware

* feat: Add guest signin toggle, obey on endpoints

* feat: Basic email signin when enabled

* Improve guest signin email
Disable double signin with JWT

* fix: Simple rate limiting

* create placeholder users in db

* fix: Give invited users default avatar
add invited users to people settings

* test

* add transaction

* tmp: test CI

* derp

* md5

* urgh

* again

* test: pass

* test

* fix: Remove usage of data values

* guest signin page

* Visually separator 'Invited' from other people tabs

* fix: Edge case attempting SSO signin for guest email account

* fix: Correctly set email auth method to cookie

* Improve rate limit error display

* lint: cleanup / comments

* Improve invalid token error display

* style tweaks

* pass guest value to subdomain

* Restore copy link option

* feat: Allow invite revoke from people management

* fix: Incorrect users email schema does not allow for user deletion

* lint

* fix: avatarUrl for deleted user failure

* change default to off for guest invites

* fix: Changing security settings wipes subdomain

* fix: user delete permissioning

* test: Add user.invite specs

app/models/Team.js

@@ -1,4 +1,5 @@
 // @flow
+import { computed } from 'mobx';
 import BaseModel from './BaseModel';
 
 class Team extends BaseModel {
@@ -9,8 +10,18 @@ class Team extends BaseModel {
   googleConnected: boolean;
   sharing: boolean;
   documentEmbeds: boolean;
+  guestSignin: boolean;
   subdomain: ?string;
   url: string;
+
+  @computed
+  get signinMethods(): string {
+    if (this.slackConnected && this.googleConnected) {
+      return 'Slack or Google';
+    }
+    if (this.slackConnected) return 'Slack';
+    return 'Google';
+  }
 }
 
 export default Team;