Allow local authentication with LOCAL_AUTHENTICATION=1

You can touch `tmp/local-auth.txt` to persist this setting.

app/controllers/concerns/authentication.rb

@@ -7,6 +7,8 @@ module Authentication
 
     before_action :require_authentication
     helper_method :authenticated?
+
+    include LoginHelper
   end
 
   class_methods do
@@ -53,11 +55,9 @@ module Authentication
     def request_authentication(untenanted: false)
       if ApplicationRecord.current_tenant.present?
         session[:return_to_after_authenticating] = request.url
-        redirect_to Launchpad.login_url(product: true, account: Account.sole), allow_other_host: true
-      else
-        # Don't save the current untenanted URL, because it's just going to bounce back to Launchpad after login anyway.
-        redirect_to Launchpad.login_url(product: true), allow_other_host: true
       end
+
+      redirect_to_login_url
     end
 
     def after_authentication_url

app/controllers/sessions_controller.rb

@@ -1,6 +1,27 @@
 class SessionsController < ApplicationController
+  before_action :require_local_auth, only: %i[ new create ]
+  require_unauthenticated_access only: %i[ new create ]
+  rate_limit to: 10, within: 3.minutes, only: :create, with: -> { redirect_to new_session_path, alert: "Try again later." }
+
+  def new
+  end
+
+  def create
+    if user = User.active.authenticate_by(params.permit(:email_address, :password))
+      start_new_session_for user
+      redirect_to after_authentication_url
+    else
+      redirect_to new_session_path, alert: "Try another email address or password."
+    end
+  end
+
   def destroy
     terminate_session
-    redirect_to Launchpad.login_url, allow_other_host: true
+    redirect_to_login_url
   end
+
+  private
+    def require_local_auth
+      head :forbidden unless Rails.application.config.x.local_authentication
+    end
 end

app/controllers/signup/base_controller.rb

@@ -1,5 +1,6 @@
 class Signup::BaseController < ApplicationController
   require_untenanted_access
+  before_action :redirect_if_local_auth
 
   # TODO: Remove this auth before launch.
   http_basic_authenticate_with(
@@ -33,4 +34,8 @@ class Signup::BaseController < ApplicationController
       redirect_to account.signal_account.owner.remote_login_url(proceed_to: root_path),
                   allow_other_host: true
     end
+
+    def redirect_if_local_auth
+      render plain: "Unauthorized", status: :unauthorized if Rails.application.config.x.local_authentication
+    end
 end

app/helpers/login_helper.rb

@@ -0,0 +1,17 @@
+module LoginHelper
+  def login_url
+    if ApplicationRecord.current_tenant
+      if Rails.application.config.x.local_authentication
+        new_session_path
+      else
+        Launchpad.login_url(product: true, account: Account.sole)
+      end
+    else
+      Launchpad.login_url(product: true)
+    end
+  end
+
+  def redirect_to_login_url
+    redirect_to login_url, allow_other_host: true
+  end
+end

app/models/account/signal_account.rb

@@ -2,7 +2,9 @@ module Account::SignalAccount
   extend ActiveSupport::Concern
 
   included do
-    belongs_to :signal_account, class_name: "SignalId::Account", primary_key: :queenbee_id, foreign_key: :queenbee_id, optional: true
+    unless Rails.application.config.x.local_authentication
+      belongs_to :signal_account, class_name: "SignalId::Account", primary_key: :queenbee_id, foreign_key: :queenbee_id, optional: true
+    end
   end
 
   class_methods do

app/models/user/signal_user.rb

@@ -2,6 +2,8 @@ module User::SignalUser
   extend ActiveSupport::Concern
 
   included do
-    belongs_to :signal_user, dependent: :destroy, class_name: "SignalId::User", optional: true
+    unless Rails.application.config.x.local_authentication
+      belongs_to :signal_user, dependent: :destroy, class_name: "SignalId::User", optional: true
+    end
   end
 end

app/views/sessions/new.html.erb

@@ -0,0 +1,30 @@
+<% @page_title = "Sign in" %>
+
+<div class="panel shadow center margin-block-double <%= "shake" if flash[:alert] %>" style="--panel-size: 55ch;">
+  <h1 class="txt-xx-large margin-block-end-double">Fizzy</h1>
+
+  <%= form_with url: session_path, class: "flex flex-column gap txt-large" do |form| %>
+    <div class="flex align-center gap">
+      <label class="flex align-center gap input input--actor">
+        <%= form.email_field :email_address, required: true, class: "input full-width", autofocus: true, autocomplete: "username", placeholder: "Enter your email address" %>
+        <%= icon_tag "email", class: "txt-large" %>
+      </label>
+    </div>
+
+    <div class="flex align-center gap">
+      <label class="flex align-center gap input input--actor">
+        <%= form.password_field :password, required: true, class: "input full-width", autocomplete: "current-password", placeholder: "Enter your password", maxlength: 72 %>
+        <%= icon_tag "password", class: "txt-large" %>
+      </label>
+    </div>
+
+    <button type="submit" id="log_in" class="btn btn--reversed center">
+      <%= icon_tag "arrow-right" %>
+      <span class="for-screen-reader">Sign in</span>
+    </button>
+  <% end %>
+</div>
+
+<% content_for :footer do %>
+  <div class="txt-align-center center margin-block-double txt-subtle">Fizzy&trade; version 0</div>
+<% end %>

app/views/signup/accounts/new.html.erb

@@ -52,7 +52,7 @@
   <footer class="margin-block-start-double txt-center">
     <p class="txt-small txt-muted">
       Already have an account? 
-      <%= link_to "Sign in", Launchpad.login_url(product: true), class: "decorated" %>
+      <%= link_to "Sign in", login_url, class: "decorated" %>
     </p>
   </footer>
 </div>

app/views/users/new.html.erb

@@ -4,7 +4,7 @@
   <nav class="header">
     <div class="header__actions header__actions--start"></div>
     <div class="header__actions header__actions--end">
-      <%= link_to Launchpad.login_url(account: Account.sole), class: "btn", data: { controller: "hotkey", action: "keydown.esc@document->hotkey#click" } do %>
+      <%= link_to login_url, class: "btn", data: { controller: "hotkey", action: "keydown.esc@document->hotkey#click" } do %>
         <span class="for-screen-reader">Sign in instead</span>
       <% end %>
     </div>

bin/dev

@@ -8,4 +8,8 @@ if [ -f tmp/solid-queue.txt ]; then
   export SOLID_QUEUE_IN_PUMA=1
 fi
 
+if [ -f tmp/local-auth.txt ]; then
+  export LOCAL_AUTHENTICATION=1
+fi
+
 exec ./bin/rails server -p 3006

config/initializers/signal_id.rb

@@ -1,11 +1,18 @@
 require "signal_id"
 
+Rails.application.config.x.local_authentication = ENV["LOCAL_AUTHENTICATION"].present?
+
 ENV["SIGNAL_ID_SECRET"] = Rails.application.credentials.signal_id_secret
 
 Rails.application.config.to_prepare do
   SignalId.product = "fizzy"
 
   db_config = SignalId::Database.default_configuration
+  if Rails.application.config.x.local_authentication
+    db_config.each do |name, config|
+      config["connect_timeout"] = 1
+    end
+  end
   SignalId::Database.load_configuration db_config
   SignalId::Database.enable_rw_splitting!
 

config/routes.rb

@@ -89,7 +89,7 @@ Rails.application.routes.draw do
   get "join/:join_code", to: "users#new", as: :join
   post "join/:join_code", to: "users#create"
 
-  resource :session, only: :destroy do
+  resource :session do
     scope module: "sessions" do
       resources :transfers, only: %i[ show update ]
       resource :launchpad, only: %i[ show update ], controller: "launchpad"

test/controllers/controller_authentication_test.rb

@@ -15,6 +15,24 @@ class ControllerAuthenticationTest < ActionDispatch::IntegrationTest
     assert_redirected_to Launchpad.login_url(product: true, account: Account.sole)
   end
 
+  test "local auth, access without an account slug redirects to launchpad" do
+    integration_session.default_url_options[:script_name] = "" # no tenant
+
+    with_local_auth do
+      get cards_path
+    end
+
+    assert_redirected_to Launchpad.login_url(product: true)
+  end
+
+  test "local auth, access with an account slug but no session redirects to new session" do
+    with_local_auth do
+      get cards_path
+    end
+
+    assert_redirected_to new_session_path
+  end
+
   test "access with an account slug and a session allows functional access" do
     sign_in_as :kevin
 

test/controllers/sessions_controller_test.rb

@@ -3,8 +3,59 @@ require "test_helper"
 class SessionsControllerTest < ActionDispatch::IntegrationTest
   test "destroy" do
     sign_in_as :kevin
+
     delete session_path
-    assert_redirected_to Launchpad.login_url
+
+    assert_redirected_to Launchpad.login_url(account: Account.sole)
+    assert_not cookies[:session_token].present?
+  end
+
+  test "local auth, destroy" do
+    sign_in_as :kevin
+
+    with_local_auth do
+      delete session_path
+    end
+
+    assert_redirected_to new_session_path
+    assert_not cookies[:session_token].present?
+  end
+
+  test "new" do
+    get new_session_path
+
+    assert_response :forbidden
+  end
+
+  test "local auth, new" do
+    with_local_auth do
+      get new_session_path
+    end
+
+    assert_response :success
+  end
+
+  test "create" do
+    post session_path, params: { email_address: "david@37signals.com", password: "secret123456" }
+
+    assert_response :forbidden
+  end
+
+  test "local auth, create with valid credentials" do
+    with_local_auth do
+      post session_path, params: { email_address: "david@37signals.com", password: "secret123456" }
+    end
+
+    assert_redirected_to root_path
+    assert cookies[:session_token].present?
+  end
+
+  test "local auth, create with invalid credentials" do
+    with_local_auth do
+      post session_path, params: { email_address: "david@37signals.com", password: "wrong" }
+    end
+
+    assert_redirected_to new_session_path
     assert_not cookies[:session_token].present?
   end
 end

test/test_helper.rb

@@ -29,6 +29,16 @@ module ActiveSupport
     include ActiveJob::TestHelper
     include SignalId::Testing
     include ActionTextTestHelper, CardTestHelper, ChangeTestHelper, SessionTestHelper
+
+    def with_local_auth
+      begin
+        old_local_auth = Rails.application.config.x.local_authentication
+        Rails.application.config.x.local_authentication = true
+        yield
+      ensure
+        Rails.application.config.x.local_authentication = old_local_auth
+      end
+    end
   end
 end