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Merge pull request #67 from MITLibraries/tco-29-add-devise
Implement authentication
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,3 +1,7 @@ | ||
| class ApplicationController < ActionController::Base | ||
| helper Mitlibraries::Theme::Engine.helpers | ||
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| def new_session_path(_scope) | ||
| root_path | ||
| end | ||
| end |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,21 @@ | ||
| # Handles authentication response from Omniauth. See | ||
| # [the Devise docs](https://www.rubydoc.info/gems/devise_token_auth/DeviseTokenAuth/OmniauthCallbacksController) for | ||
| # additional information about this controller. | ||
| class Users::OmniauthCallbacksController < Devise::OmniauthCallbacksController | ||
| include FakeAuthConfig | ||
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| def openid_connect | ||
| @user = User.from_omniauth(request.env['omniauth.auth']) | ||
| sign_in_and_redirect @user, event: :authentication | ||
| flash[:notice] = "Welcome, #{@user.email}!" | ||
| end | ||
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| # Developer authentication is used in local dev and PR builds. | ||
| def developer | ||
| raise 'Invalid Authentication' unless FakeAuthConfig.fake_auth_enabled? | ||
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| @user = User.from_omniauth(request.env['omniauth.auth']) | ||
| sign_in_and_redirect @user, event: :authentication | ||
| flash[:notice] = "Welcome, #{@user.email}!" | ||
| end | ||
| end |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,24 @@ | ||
| module FakeAuthConfig | ||
| # Used in an initializer to determine if the application is configured and allowed to use fake authentication. | ||
| def self.fake_auth_enabled? | ||
| fake_auth_env? && app_name_pattern_match? | ||
| end | ||
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| # Default to fake auth in development unless FAKE_AUTH_ENABLED=false. This allows rake tasks to run without loading | ||
| # ENV. | ||
| private_class_method def self.fake_auth_env? | ||
| if Rails.env.development? && ENV['FAKE_AUTH_ENABLED'].nil? | ||
| true | ||
| else | ||
| ENV['FAKE_AUTH_ENABLED'] == 'true' | ||
| end | ||
| end | ||
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| # Check if the app is a PR build. This assures that fake auth is never enabled in staging or prod. | ||
| private_class_method def self.app_name_pattern_match? | ||
| return true if Rails.env.development? | ||
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| review_app_pattern = /^tacos-api-pipeline-pr-\d+$/ | ||
| review_app_pattern.match(ENV.fetch('HEROKU_APP_NAME', nil)).present? | ||
| end | ||
| end |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,40 @@ | ||
| # == Schema Information | ||
| # | ||
| # Table name: users | ||
| # | ||
| # id :integer not null, primary key | ||
| # uid :string not null | ||
| # email :string not null | ||
| # created_at :datetime not null | ||
| # updated_at :datetime not null | ||
| # | ||
| class User < ApplicationRecord | ||
| include FakeAuthConfig | ||
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| if FakeAuthConfig.fake_auth_enabled? | ||
| devise :omniauthable, omniauth_providers: [:developer] | ||
| else | ||
| devise :omniauthable, omniauth_providers: [:openid_connect] | ||
| end | ||
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| validates :uid, presence: true | ||
| validates :email, presence: true | ||
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| # Creating a user from Omniauth first requires us to determine whether fake_auth is enabled. If so, we need to | ||
| # traverse the response hash differently than with OIDC, as developer mode returns metadata in a different structure. | ||
| # @param auth Hash The authentication response from Omniauth. | ||
| def self.from_omniauth(auth) | ||
| if FakeAuthConfig.fake_auth_enabled? | ||
| uid = auth.uid | ||
| email = auth.info.email | ||
| else | ||
| uid = auth.extra.raw_info.preferred_username | ||
| email = auth.extra.raw_info.email | ||
| end | ||
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| User.where(uid: uid).first_or_create do |user| | ||
| user.uid = uid | ||
| user.email = email | ||
| end | ||
| end | ||
| end |
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