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/presenters/user.js

@@ -22,8 +22,7 @@ export default (user: User, options: Options = {}): ?UserPresentation => {
   userData.name = user.name;
   userData.isAdmin = user.isAdmin;
   userData.isSuspended = user.isSuspended;
-  userData.avatarUrl =
-    user.avatarUrl || (user.slackData ? user.slackData.image_192 : null);
+  userData.avatarUrl = user.avatarUrl;
 
   if (options.includeDetails) {
     userData.email = user.email;