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

server/mailer.js

@@ -8,6 +8,7 @@ import Queue from 'bull';
 import { baseStyles } from './emails/components/EmailLayout';
 import { WelcomeEmail, welcomeEmailText } from './emails/WelcomeEmail';
 import { ExportEmail, exportEmailText } from './emails/ExportEmail';
+import { SigninEmail, signinEmailText } from './emails/SigninEmail';
 import {
   type Props as InviteEmailT,
   InviteEmail,
@@ -123,6 +124,16 @@ export class Mailer {
     });
   };
 
+  signin = async (opts: { to: string, token: string, teamUrl: string }) => {
+    this.sendMail({
+      to: opts.to,
+      title: 'Magic signin link',
+      previewText: 'Here’s your link to signin to Outline.',
+      html: <SigninEmail {...opts} />,
+      text: signinEmailText(opts),
+    });
+  };
+
   documentNotification = async (
     opts: { to: string } & DocumentNotificationEmailT
   ) => {