Add password challenge to 2FA settings, e-mail notifications (#11878)

Fix #3961

spec/controllers/concerns/challengable_concern_spec.rb

@@ -0,0 +1,114 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+RSpec.describe ChallengableConcern, type: :controller do
+  controller(ApplicationController) do
+    include ChallengableConcern
+
+    before_action :require_challenge!
+
+    def foo
+      render plain: 'foo'
+    end
+
+    def bar
+      render plain: 'bar'
+    end
+  end
+
+  before do
+    routes.draw do
+      get  'foo' => 'anonymous#foo'
+      post 'bar' => 'anonymous#bar'
+    end
+  end
+
+  context 'with a no-password user' do
+    let(:user) { Fabricate(:user, external: true, password: nil) }
+
+    before do
+      sign_in user
+    end
+
+    context 'for GET requests' do
+      before { get :foo }
+
+      it 'does not ask for password' do
+        expect(response.body).to eq 'foo'
+      end
+    end
+
+    context 'for POST requests' do
+      before { post :bar }
+
+      it 'does not ask for password' do
+        expect(response.body).to eq 'bar'
+      end
+    end
+  end
+
+  context 'with recent challenge in session' do
+    let(:password) { 'foobar12345' }
+    let(:user) { Fabricate(:user, password: password) }
+
+    before do
+      sign_in user
+    end
+
+    context 'for GET requests' do
+      before { get :foo, session: { challenge_passed_at: Time.now.utc } }
+
+      it 'does not ask for password' do
+        expect(response.body).to eq 'foo'
+      end
+    end
+
+    context 'for POST requests' do
+      before { post :bar, session: { challenge_passed_at: Time.now.utc } }
+
+      it 'does not ask for password' do
+        expect(response.body).to eq 'bar'
+      end
+    end
+  end
+
+  context 'with a password user' do
+    let(:password) { 'foobar12345' }
+    let(:user) { Fabricate(:user, password: password) }
+
+    before do
+      sign_in user
+    end
+
+    context 'for GET requests' do
+      before { get :foo }
+
+      it 'renders challenge' do
+        expect(response).to render_template('auth/challenges/new')
+      end
+
+      # See Auth::ChallengesControllerSpec
+    end
+
+    context 'for POST requests' do
+      before { post :bar }
+
+      it 'renders challenge' do
+        expect(response).to render_template('auth/challenges/new')
+      end
+
+      it 'accepts correct password' do
+        post :bar, params: { form_challenge: { current_password: password } }
+        expect(response.body).to eq 'bar'
+        expect(session[:challenge_passed_at]).to_not be_nil
+      end
+
+      it 'rejects wrong password' do
+        post :bar, params: { form_challenge: { current_password: 'dddfff888123' } }
+        expect(response.body).to render_template('auth/challenges/new')
+        expect(session[:challenge_passed_at]).to be_nil
+      end
+    end
+  end
+end