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Revocable sessions (#3616)
* feat: Revocable sessions * fix: Tests using sign_in * feat: Configuration entry for the maximum number of session activations
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38
app/models/session_activation.rb
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38
app/models/session_activation.rb
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@ -0,0 +1,38 @@
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# frozen_string_literal: true
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# == Schema Information
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#
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# Table name: session_activations
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#
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# id :integer not null, primary key
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# user_id :integer not null
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# session_id :string not null
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# created_at :datetime not null
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# updated_at :datetime not null
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#
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class SessionActivation < ApplicationRecord
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LIMIT = Rails.configuration.x.max_session_activations
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def self.active?(id)
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id && where(session_id: id).exists?
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end
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def self.activate(id)
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activation = create!(session_id: id)
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purge_old
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activation
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end
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def self.deactivate(id)
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return unless id
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where(session_id: id).destroy_all
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end
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def self.purge_old
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order('created_at desc').offset(LIMIT).destroy_all
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end
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def self.exclusive(id)
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where('session_id != ?', id).destroy_all
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end
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end
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@ -63,6 +63,8 @@ class User < ApplicationRecord
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# handle this itself, and this can be removed from our User class.
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attribute :otp_secret
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has_many :session_activations, dependent: :destroy
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def confirmed?
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confirmed_at.present?
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end
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@ -89,6 +91,18 @@ class User < ApplicationRecord
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settings.auto_play_gif
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end
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def activate_session
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session_activations.activate(SecureRandom.hex).session_id
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end
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def exclusive_session(id)
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session_activations.exclusive(id)
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end
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def session_active?(id)
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session_activations.active? id
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end
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protected
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def send_devise_notification(notification, *args)
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@ -1,3 +1,19 @@
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Warden::Manager.after_set_user except: :fetch do |user, warden|
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SessionActivation.deactivate warden.raw_session['auth_id']
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warden.raw_session['auth_id'] = user.activate_session
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end
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Warden::Manager.after_fetch do |user, warden|
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unless user.session_active?(warden.raw_session['auth_id'])
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warden.logout
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throw :warden, message: :unauthenticated
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end
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end
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Warden::Manager.before_logout do |_, warden|
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SessionActivation.deactivate warden.raw_session['auth_id']
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end
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Devise.setup do |config|
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config.warden do |manager|
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manager.default_strategies(scope: :user).unshift :two_factor_authenticatable
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5
config/initializers/session_activations.rb
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5
config/initializers/session_activations.rb
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# frozen_string_literal: true
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Rails.application.configure do
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config.x.max_session_activations = ENV['MAX_SESSION_ACTIVATIONS'] || 10
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end
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13
db/migrate/20170623152212_create_session_activations.rb
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13
db/migrate/20170623152212_create_session_activations.rb
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class CreateSessionActivations < ActiveRecord::Migration[5.1]
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def change
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create_table :session_activations do |t|
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t.integer :user_id, null: false
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t.string :session_id, null: false
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t.timestamps
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end
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add_index :session_activations, :user_id
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add_index :session_activations, :session_id, unique: true
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end
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end
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11
db/schema.rb
11
db/schema.rb
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@ -10,7 +10,7 @@
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#
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# It's strongly recommended that you check this file into your version control system.
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ActiveRecord::Schema.define(version: 20170610000000) do
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ActiveRecord::Schema.define(version: 20170623152212) do
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# These are extensions that must be enabled in order to support this database
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enable_extension "plpgsql"
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@ -250,6 +250,15 @@ ActiveRecord::Schema.define(version: 20170610000000) do
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t.index ["target_account_id"], name: "index_reports_on_target_account_id"
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end
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create_table "session_activations", force: :cascade do |t|
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t.integer "user_id", null: false
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t.string "session_id", null: false
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t.datetime "created_at", null: false
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t.datetime "updated_at", null: false
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t.index ["session_id"], name: "index_session_activations_on_session_id", unique: true
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t.index ["user_id"], name: "index_session_activations_on_user_id"
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end
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create_table "settings", id: :serial, force: :cascade do |t|
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t.string "var", null: false
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t.text "value"
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4
spec/fabricators/session_activation_fabricator.rb
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4
spec/fabricators/session_activation_fabricator.rb
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Fabricator(:session_activation) do
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user_id 1
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session_id "MyString"
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end
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5
spec/models/session_activation_spec.rb
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5
spec/models/session_activation_spec.rb
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require 'rails_helper'
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RSpec.describe SessionActivation, type: :model do
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pending "add some examples to (or delete) #{__FILE__}"
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end
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@ -16,6 +16,17 @@ WebMock.disable_net_connect!
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Sidekiq::Testing.inline!
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Sidekiq::Logging.logger = nil
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Devise::Test::ControllerHelpers.module_eval do
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alias_method :original_sign_in, :sign_in
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def sign_in(resource, deprecated = nil, scope: nil)
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original_sign_in(resource, scope: scope)
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SessionActivation.deactivate warden.raw_session["auth_id"]
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warden.raw_session["auth_id"] = resource.activate_session
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end
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end
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RSpec.configure do |config|
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config.fixture_path = "#{::Rails.root}/spec/fixtures"
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config.use_transactional_fixtures = true
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