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/emails/InviteEmail.js

@@ -10,6 +10,7 @@ import EmptySpace from './components/EmptySpace';
 
 export type Props = {
   name: string,
+  guest: boolean,
   actorName: string,
   actorEmail: string,
   teamName: string,
@@ -21,6 +22,7 @@ export const inviteEmailText = ({
   actorName,
   actorEmail,
   teamUrl,
+  guest,
 }: Props) => `
 Join ${teamName} on Outline
 
@@ -28,7 +30,7 @@ ${actorName} (${
   actorEmail
 }) has invited you to join Outline, a place for your team to build and share knowledge.
 
-Join now: ${teamUrl}
+Join now: ${teamUrl}${guest ? '?guest=true' : ''}
 `;
 
 export const InviteEmail = ({
@@ -36,6 +38,7 @@ export const InviteEmail = ({
   actorName,
   actorEmail,
   teamUrl,
+  guest,
 }: Props) => {
   return (
     <EmailTemplate>
@@ -49,7 +52,9 @@ export const InviteEmail = ({
         </p>
         <EmptySpace height={10} />
         <p>
-          <Button href={teamUrl}>Join now</Button>
+          <Button href={`${teamUrl}${guest ? '?guest=true' : ''}`}>
+            Join now
+          </Button>
         </p>
       </Body>