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mastodon
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Add REST API for creating an account (#9572) 

* Add REST API for creating an account

The method is available to apps with a token obtained via the client
credentials grant. It creates a user and account records, as well as
an access token for the app that initiated the request. The user is
unconfirmed, and an e-mail is sent as usual.

The method returns the access token, which the app should save for
later. The REST API is not available to users with unconfirmed
accounts, so the app must be smart to wait for the user to click a
link in their e-mail inbox.

The method is rate-limited by IP to 5 requests per 30 minutes.

* Redirect users back to app from confirmation if they were created with an app

* Add tests

* Return 403 on the method if registrations are not open

* Require agreement param to be true in the API when creating an account
This commit is contained in:
Eugen Rochko 2018-12-24 19:12:38 +01:00 committed by GitHub
parent acf9358c52
commit 5d2fc6de32
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18 changed files with 171 additions and 20 deletions
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2
app/controllers/api/base_controller.rb
View File

@ -68,7 +68,7 @@ class Api::BaseController < ApplicationController
end
def require_user!
if current_user && !current_user.disabled?
if current_user && !current_user.disabled? && current_user.confirmed?
set_user_activity
elsif current_user
render json: { error: 'Your login is currently disabled' }, status: 403

26
app/controllers/api/v1/accounts_controller.rb
View File

@ -1,14 +1,16 @@
# frozen_string_literal: true
class Api::V1::AccountsController < Api::BaseController
before_action -> { authorize_if_got_token! :read, :'read:accounts' }, except: [:follow, :unfollow, :block, :unblock, :mute, :unmute]
before_action -> { authorize_if_got_token! :read, :'read:accounts' }, except: [:create, :follow, :unfollow, :block, :unblock, :mute, :unmute]
before_action -> { doorkeeper_authorize! :follow, :'write:follows' }, only: [:follow, :unfollow]
before_action -> { doorkeeper_authorize! :follow, :'write:mutes' }, only: [:mute, :unmute]
before_action -> { doorkeeper_authorize! :follow, :'write:blocks' }, only: [:block, :unblock]
before_action -> { doorkeeper_authorize! :write, :'write:accounts' }, only: [:create]
before_action :require_user!, except: [:show]
before_action :set_account
before_action :require_user!, except: [:show, :create]
before_action :set_account, except: [:create]
before_action :check_account_suspension, only: [:show]
before_action :check_enabled_registrations, only: [:create]
respond_to :json
@ -16,6 +18,16 @@ class Api::V1::AccountsController < Api::BaseController
render json: @account, serializer: REST::AccountSerializer
end
def create
token = AppSignUpService.new.call(doorkeeper_token.application, account_params)
response = Doorkeeper::OAuth::TokenResponse.new(token)
headers.merge!(response.headers)
self.response_body = Oj.dump(response.body)
self.status = response.status
end
def follow
FollowService.new.call(current_user.account, @account, reblogs: truthy_param?(:reblogs))
@ -62,4 +74,12 @@ class Api::V1::AccountsController < Api::BaseController
def check_account_suspension
gone if @account.suspended?
end
def account_params
params.permit(:username, :email, :password, :agreement)
end
def check_enabled_registrations
forbidden if single_user_mode? || !Setting.open_registrations
end
end

10
app/controllers/auth/confirmations_controller.rb
View File

@ -6,9 +6,9 @@ class Auth::ConfirmationsController < Devise::ConfirmationsController
before_action :set_body_classes
before_action :set_user, only: [:finish_signup]
# GET/PATCH /users/:id/finish_signup
def finish_signup
return unless request.patch? && params[:user]
if @user.update(user_params)
@user.skip_reconfirmation!
bypass_sign_in(@user)
@ -31,4 +31,12 @@ class Auth::ConfirmationsController < Devise::ConfirmationsController
def user_params
params.require(:user).permit(:email)
end
def after_confirmation_path_for(_resource_name, user)
if user.created_by_application && truthy_param?(:redirect_to_app)
user.created_by_application.redirect_uri
else
super
end
end
end

1
app/controllers/auth/registrations_controller.rb
View File

@ -26,6 +26,7 @@ class Auth::RegistrationsController < Devise::RegistrationsController
resource.locale = I18n.locale
resource.invite_code = params[:invite_code] if resource.invite_code.blank?
resource.agreement = true
resource.build_account if resource.account.nil?
end

7
app/models/user.rb
View File

@ -36,6 +36,7 @@
# invite_id :bigint(8)
# remember_token :string
# chosen_languages :string is an Array
# created_by_application_id :bigint(8)
#
class User < ApplicationRecord
@ -66,6 +67,7 @@ class User < ApplicationRecord
belongs_to :account, inverse_of: :user
belongs_to :invite, counter_cache: :uses, optional: true
belongs_to :created_by_application, class_name: 'Doorkeeper::Application', optional: true
accepts_nested_attributes_for :account
has_many :applications, class_name: 'Doorkeeper::Application', as: :owner
@ -74,6 +76,7 @@ class User < ApplicationRecord
validates :locale, inclusion: I18n.available_locales.map(&:to_s), if: :locale?
validates_with BlacklistedEmailValidator, if: :email_changed?
validates_with EmailMxValidator, if: :validate_email_dns?
validates :agreement, acceptance: { allow_nil: false, accept: [true, 'true', '1'] }, on: :create
scope :recent, -> { order(id: :desc) }
scope :admins, -> { where(admin: true) }
@ -294,7 +297,7 @@ class User < ApplicationRecord
end
if resource.blank?
resource = new(email: attributes[:email])
resource = new(email: attributes[:email], agreement: true)
if Devise.check_at_sign && !resource[:email].index('@')
resource[:email] = Rpam2.getenv(resource.find_pam_service, attributes[:email], attributes[:password], 'email', false)
resource[:email] = "#{attributes[:email]}@#{resource.find_pam_suffix}" unless resource[:email]
@ -307,7 +310,7 @@ class User < ApplicationRecord
resource = joins(:account).find_by(accounts: { username: attributes[Devise.ldap_uid.to_sym].first })
if resource.blank?
resource = new(email: attributes[:mail].first, account_attributes: { username: attributes[Devise.ldap_uid.to_sym].first })
resource = new(email: attributes[:mail].first, agreement: true, account_attributes: { username: attributes[Devise.ldap_uid.to_sym].first })
resource.ldap_setup(attributes)
end

23
app/services/app_sign_up_service.rb Normal file
View File

@ -0,0 +1,23 @@
# frozen_string_literal: true
class AppSignUpService < BaseService
def call(app, params)
return unless allowed_registrations?
user_params = params.slice(:email, :password, :agreement)
account_params = params.slice(:username)
user = User.create!(user_params.merge(created_by_application: app, password_confirmation: user_params[:password], account_attributes: account_params))
Doorkeeper::AccessToken.create!(application: app,
resource_owner_id: user.id,
scopes: app.scopes,
expires_in: Doorkeeper.configuration.access_token_expires_in,
use_refresh_token: Doorkeeper.configuration.refresh_token_enabled?)
end
private
def allowed_registrations?
Setting.open_registrations && !Rails.configuration.x.single_user_mode
end
end

8
app/views/user_mailer/confirmation_instructions.html.haml
View File

@ -55,8 +55,12 @@
%tbody
%tr
%td.button-primary
= link_to confirmation_url(@resource, confirmation_token: @token) do
%span= t 'devise.mailer.confirmation_instructions.action'
- if @resource.created_by_application
= link_to confirmation_url(@resource, confirmation_token: @token, redirect_to_app: 'true') do
%span= t 'devise.mailer.confirmation_instructions.action_with_app', app: @resource.created_by_application.name
- else
= link_to confirmation_url(@resource, confirmation_token: @token) do
%span= t 'devise.mailer.confirmation_instructions.action'
%table.email-table{ cellspacing: 0, cellpadding: 0 }
%tbody

2
app/views/user_mailer/confirmation_instructions.text.erb
View File

@ -4,7 +4,7 @@
<%= t 'devise.mailer.confirmation_instructions.explanation', host: site_hostname %>
=> <%= confirmation_url(@resource, confirmation_token: @token) %>
=> <%= confirmation_url(@resource, confirmation_token: @token, redirect_to_app: @resource.created_by_application ? 'true' : nil) %>
<%= strip_tags(t('devise.mailer.confirmation_instructions.extra_html', terms_path: about_more_url, policy_path: terms_url)) %>

4
config/initializers/rack_attack.rb
View File

@ -57,6 +57,10 @@ class Rack::Attack
req.authenticated_user_id if req.post? && req.path.start_with?('/api/v1/media')
end
throttle('throttle_api_sign_up', limit: 5, period: 30.minutes) do |req|
req.ip if req.post? && req.path == '/api/v1/accounts'
end
throttle('protected_paths', limit: 25, period: 5.minutes) do |req|
req.ip if req.post? && req.path =~ PROTECTED_PATHS_REGEX
end

1
config/locales/devise.en.yml
View File

@ -18,6 +18,7 @@ en:
mailer:
confirmation_instructions:
action: Verify email address
action_with_app: Confirm and return to %{app}
explanation: You have created an account on %{host} with this email address. You are one click away from activating it. If this wasn't you, please ignore this email.
extra_html: Please also check out <a href="%{terms_path}">the rules of the instance</a> and <a href="%{policy_path}">our terms of service</a>.
subject: 'Mastodon: Confirmation instructions for %{instance}'

2
config/routes.rb
View File

@ -336,7 +336,7 @@ Rails.application.routes.draw do
resources :relationships, only: :index
end
resources :accounts, only: [:show] do
resources :accounts, only: [:create, :show] do
resources :statuses, only: :index, controller: 'accounts/statuses'
resources :followers, only: :index, controller: 'accounts/follower_accounts'
resources :following, only: :index, controller: 'accounts/following_accounts'

8
db/migrate/20181219235220_add_created_by_application_id_to_users.rb Normal file
View File

@ -0,0 +1,8 @@
class AddCreatedByApplicationIdToUsers < ActiveRecord::Migration[5.2]
disable_ddl_transaction!
def change
add_reference :users, :created_by_application, foreign_key: { to_table: 'oauth_applications', on_delete: :nullify }, index: false
add_index :users, :created_by_application_id, algorithm: :concurrently
end
end

5
db/schema.rb
View File

@ -10,7 +10,7 @@
#
# It's strongly recommended that you check this file into your version control system.
ActiveRecord::Schema.define(version: 2018_12_13_185533) do
ActiveRecord::Schema.define(version: 2018_12_19_235220) do
# These are extensions that must be enabled in order to support this database
enable_extension "plpgsql"
@ -637,8 +637,10 @@ ActiveRecord::Schema.define(version: 2018_12_13_185533) do
t.bigint "invite_id"
t.string "remember_token"
t.string "chosen_languages", array: true
t.bigint "created_by_application_id"
t.index ["account_id"], name: "index_users_on_account_id"
t.index ["confirmation_token"], name: "index_users_on_confirmation_token", unique: true
t.index ["created_by_application_id"], name: "index_users_on_created_by_application_id"
t.index ["email"], name: "index_users_on_email", unique: true
t.index ["reset_password_token"], name: "index_users_on_reset_password_token", unique: true
end
@ -730,6 +732,7 @@ ActiveRecord::Schema.define(version: 2018_12_13_185533) do
add_foreign_key "subscriptions", "accounts", name: "fk_9847d1cbb5", on_delete: :cascade
add_foreign_key "users", "accounts", name: "fk_50500f500d", on_delete: :cascade
add_foreign_key "users", "invites", on_delete: :nullify
add_foreign_key "users", "oauth_applications", column: "created_by_application_id", on_delete: :nullify
add_foreign_key "web_push_subscriptions", "oauth_access_tokens", column: "access_token_id", on_delete: :cascade
add_foreign_key "web_push_subscriptions", "users", on_delete: :cascade
add_foreign_key "web_settings", "users", name: "fk_11910667b2", on_delete: :cascade

2
lib/mastodon/accounts_cli.rb
View File

@ -73,7 +73,7 @@ module Mastodon
def create(username)
account = Account.new(username: username)
password = SecureRandom.hex
user = User.new(email: options[:email], password: password, admin: options[:role] == 'admin', moderator: options[:role] == 'moderator', confirmed_at: Time.now.utc)
user = User.new(email: options[:email], password: password, agreement: true, admin: options[:role] == 'admin', moderator: options[:role] == 'moderator', confirmed_at: options[:confirmed] ? Time.now.utc : nil)
if options[:reattach]
account = Account.find_local(username) || Account.new(username: username)

34
spec/controllers/api/v1/accounts_controller_spec.rb
View File

@ -19,6 +19,40 @@ RSpec.describe Api::V1::AccountsController, type: :controller do
end
end
describe 'POST #create' do
let(:app) { Fabricate(:application) }
let(:token) { Doorkeeper::AccessToken.find_or_create_for(app, nil, 'read write', nil, false) }
let(:agreement) { nil }
before do
post :create, params: { username: 'test', password: '12345678', email: 'hello@world.tld', agreement: agreement }
end
context 'given truthy agreement' do
let(:agreement) { 'true' }
it 'returns http success' do
expect(response).to have_http_status(200)
end
it 'returns a new access token as JSON' do
expect(body_as_json[:access_token]).to_not be_blank
end
it 'creates a user' do
user = User.find_by(email: 'hello@world.tld')
expect(user).to_not be_nil
expect(user.created_by_application_id).to eq app.id
end
end
context 'given no agreement' do
it 'returns http unprocessable entity' do
expect(response).to have_http_status(422)
end
end
end
describe 'GET #show' do
let(:scopes) { 'read:accounts' }

1
spec/fabricators/user_fabricator.rb
View File

@ -3,4 +3,5 @@ Fabricator(:user) do
email { sequence(:email) { |i| "#{i}#{Faker::Internet.email}" } }
password "123456789"
confirmed_at { Time.zone.now }
agreement true
end

14
spec/models/user_spec.rb
View File

@ -106,19 +106,19 @@ RSpec.describe User, type: :model do
end
it 'should allow a non-blacklisted user to be created' do
user = User.new(email: 'foo@example.com', account: account, password: password)
user = User.new(email: 'foo@example.com', account: account, password: password, agreement: true)
expect(user.valid?).to be_truthy
end
it 'should not allow a blacklisted user to be created' do
user = User.new(email: 'foo@mvrht.com', account: account, password: password)
user = User.new(email: 'foo@mvrht.com', account: account, password: password, agreement: true)
expect(user.valid?).to be_falsey
end
it 'should not allow a subdomain blacklisted user to be created' do
user = User.new(email: 'foo@mvrht.com.topdomain.tld', account: account, password: password)
user = User.new(email: 'foo@mvrht.com.topdomain.tld', account: account, password: password, agreement: true)
expect(user.valid?).to be_falsey
end
@ -210,17 +210,17 @@ RSpec.describe User, type: :model do
end
it 'should not allow a user to be created unless they are whitelisted' do
user = User.new(email: 'foo@example.com', account: account, password: password)
user = User.new(email: 'foo@example.com', account: account, password: password, agreement: true)
expect(user.valid?).to be_falsey
end
it 'should allow a user to be created if they are whitelisted' do
user = User.new(email: 'foo@mastodon.space', account: account, password: password)
user = User.new(email: 'foo@mastodon.space', account: account, password: password, agreement: true)
expect(user.valid?).to be_truthy
end
it 'should not allow a user with a whitelisted top domain as subdomain in their email address to be created' do
user = User.new(email: 'foo@mastodon.space.userdomain.com', account: account, password: password)
user = User.new(email: 'foo@mastodon.space.userdomain.com', account: account, password: password, agreement: true)
expect(user.valid?).to be_falsey
end
@ -242,7 +242,7 @@ RSpec.describe User, type: :model do
it_behaves_like 'Settings-extended' do
def create!
User.create!(account: Fabricate(:account), email: 'foo@mastodon.space', password: 'abcd1234')
User.create!(account: Fabricate(:account), email: 'foo@mastodon.space', password: 'abcd1234', agreement: true)
end
def fabricate

41
spec/services/app_sign_up_service_spec.rb Normal file
View File

@ -0,0 +1,41 @@
require 'rails_helper'
RSpec.describe AppSignUpService, type: :service do
let(:app) { Fabricate(:application, scopes: 'read write') }
let(:good_params) { { username: 'alice', password: '12345678', email: 'good@email.com', agreement: true } }
subject { described_class.new }
describe '#call' do
it 'returns nil when registrations are closed' do
Setting.open_registrations = false
expect(subject.call(app, good_params)).to be_nil
end
it 'raises an error when params are missing' do
expect { subject.call(app, {}) }.to raise_error ActiveRecord::RecordInvalid
end
it 'creates an unconfirmed user with access token' do
access_token = subject.call(app, good_params)
expect(access_token).to_not be_nil
user = User.find_by(id: access_token.resource_owner_id)
expect(user).to_not be_nil
expect(user.confirmed?).to be false
end
it 'creates access token with the app\'s scopes' do
access_token = subject.call(app, good_params)
expect(access_token).to_not be_nil
expect(access_token.scopes.to_s).to eq 'read write'
end
it 'creates an account' do
access_token = subject.call(app, good_params)
expect(access_token).to_not be_nil
user = User.find_by(id: access_token.resource_owner_id)
expect(user).to_not be_nil
expect(user.account).to_not be_nil
end
end
end