1 files changed, 26 insertions, 0 deletions

diff --git a/lib/tasks/users.rake b/lib/tasks/users.rake
new file mode 100644
index 00000000..cdee7fc8
--- /dev/null
+++ b/lib/tasks/users.rake
@@ -0,0 +1,26 @@
+namespace :users do
+  desc "Clear a user's second factor from the shell. LOGIN=name. " \
+       "The recovery path when an admin loses their device: elevation " \
+       "requires a code, resetting someone else's factor requires " \
+       "elevation, and self-service disable requires a current code -- so " \
+       "with every admin locked out there is no in-app way back."
+  task :clear_otp => :environment do
+    login = ENV["LOGIN"].to_s.strip.downcase
+    abort "usage: LOGIN=name rake users:clear_otp" if login.empty?
+
+    user = User.find_by(:login => login)
+    abort "no such user: #{login}" if user.nil?
+
+    unless user.otp_enrolled?
+      puts "#{user.login} has no second factor enrolled; nothing to do."
+      next
+    end
+
+    # Witnessed with the user as their own actor: there is no logged-in
+    # admin to attribute it to, and an unattributed hole in the log is worse
+    # than one that says "from the shell".
+    user.disable_otp!(:actor => user)
+    puts "Cleared the second factor for #{user.login}. " \
+         "They can re-enrol under My account; recorded in the action log."
+  end
+end