Add route to do email lookups for any user

routes/v1/user.rb

@@ -122,6 +122,19 @@ class Manager2Api < Sinatra::Base
     erb :result, locals: { message: 'Set new email contact address' }
   end
 
+  # Do a lookup for the contact email address of another user
+  post '/v1/user/email/lookup' do
+    check_key_admin(params)
+    check_param(params, 'username')
+
+    halt erb :error, locals: { code: 400, message: 'User not found' } unless user_check(params['username'])
+
+    erb :result, locals: {
+      message: 'Retreived contact email address',
+      result: mysql_get_contactmail(params['username'])
+    }
+  end
+
   # Send an invite
   post '/v1/user/invite/new' do
     check_key(params)