Add administrative webhooks (#18510)

* Add administrative webhooks

* Fix error when webhook is deleted before delivery worker runs
This commit is contained in:
Eugen Rochko 2022-06-09 21:57:36 +02:00 committed by GitHub
parent 17ba5e1e61
commit a2871cd747
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33 changed files with 530 additions and 8 deletions

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@ -0,0 +1,19 @@
# frozen_string_literal: true
module Admin
class Webhooks::SecretsController < BaseController
before_action :set_webhook
def rotate
authorize @webhook, :rotate_secret?
@webhook.rotate_secret!
redirect_to admin_webhook_path(@webhook)
end
private
def set_webhook
@webhook = Webhook.find(params[:webhook_id])
end
end
end

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@ -0,0 +1,77 @@
# frozen_string_literal: true
module Admin
class WebhooksController < BaseController
before_action :set_webhook, except: [:index, :new, :create]
def index
authorize :webhook, :index?
@webhooks = Webhook.page(params[:page])
end
def new
authorize :webhook, :create?
@webhook = Webhook.new
end
def create
authorize :webhook, :create?
@webhook = Webhook.new(resource_params)
if @webhook.save
redirect_to admin_webhook_path(@webhook)
else
render :new
end
end
def show
authorize @webhook, :show?
end
def edit
authorize @webhook, :update?
end
def update
authorize @webhook, :update?
if @webhook.update(resource_params)
redirect_to admin_webhook_path(@webhook)
else
render :show
end
end
def enable
authorize @webhook, :enable?
@webhook.enable!
redirect_to admin_webhook_path(@webhook)
end
def disable
authorize @webhook, :disable?
@webhook.disable!
redirect_to admin_webhook_path(@webhook)
end
def destroy
authorize @webhook, :destroy?
@webhook.destroy!
redirect_to admin_webhooks_path
end
private
def set_webhook
@webhook = Webhook.find(params[:id])
end
def resource_params
params.require(:webhook).permit(:url, events: [])
end
end
end

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@ -203,6 +203,14 @@ $content-width: 840px;
}
}
h2 small {
font-size: 12px;
display: block;
font-weight: 500;
color: $darker-text-color;
line-height: 18px;
}
@media screen and (max-width: $no-columns-breakpoint) {
border-bottom: 0;
padding-bottom: 0;

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@ -1,4 +1,5 @@
# frozen_string_literal: true
# == Schema Information
#
# Table name: admin_action_logs

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@ -55,6 +55,8 @@ class Report < ApplicationRecord
before_validation :set_uri, only: :create
after_create_commit :trigger_webhooks
def object_type
:flag
end
@ -143,4 +145,8 @@ class Report < ApplicationRecord
errors.add(:rule_ids, I18n.t('reports.errors.invalid_rules')) unless rules.size == rule_ids&.size
end
def trigger_webhooks
TriggerWebhookWorker.perform_async('report.created', 'Report', id)
end
end

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@ -37,7 +37,6 @@
# sign_in_token_sent_at :datetime
# webauthn_id :string
# sign_up_ip :inet
# skip_sign_in_token :boolean
#
class User < ApplicationRecord
@ -120,6 +119,7 @@ class User < ApplicationRecord
before_validation :sanitize_languages
before_create :set_approved
after_commit :send_pending_devise_notifications
after_create_commit :trigger_webhooks
# This avoids a deprecation warning from Rails 5.1
# It seems possible that a future release of devise-two-factor will
@ -182,7 +182,9 @@ class User < ApplicationRecord
end
def update_sign_in!(new_sign_in: false)
old_current, new_current = current_sign_in_at, Time.now.utc
old_current = current_sign_in_at
new_current = Time.now.utc
self.last_sign_in_at = old_current || new_current
self.current_sign_in_at = new_current
@ -472,4 +474,8 @@ class User < ApplicationRecord
def invite_text_required?
Setting.require_invite_text && !invited? && !external? && !bypass_invite_request_check?
end
def trigger_webhooks
TriggerWebhookWorker.perform_async('account.created', 'Account', account_id)
end
end

58
app/models/webhook.rb Normal file
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@ -0,0 +1,58 @@
# frozen_string_literal: true
# == Schema Information
#
# Table name: webhooks
#
# id :bigint(8) not null, primary key
# url :string not null
# events :string default([]), not null, is an Array
# secret :string default(""), not null
# enabled :boolean default(TRUE), not null
# created_at :datetime not null
# updated_at :datetime not null
#
class Webhook < ApplicationRecord
EVENTS = %w(
account.created
report.created
).freeze
scope :enabled, -> { where(enabled: true) }
validates :url, presence: true, url: true
validates :secret, presence: true, length: { minimum: 12 }
validates :events, presence: true
validate :validate_events
before_validation :strip_events
before_validation :generate_secret
def rotate_secret!
update!(secret: SecureRandom.hex(20))
end
def enable!
update!(enabled: true)
end
def disable!
update!(enabled: false)
end
private
def validate_events
errors.add(:events, :invalid) if events.any? { |e| !EVENTS.include?(e) }
end
def strip_events
self.events = events.map { |str| str.strip.presence }.compact if events.present?
end
def generate_secret
self.secret = SecureRandom.hex(20) if secret.blank?
end
end

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@ -0,0 +1,35 @@
# frozen_string_literal: true
class WebhookPolicy < ApplicationPolicy
def index?
admin?
end
def create?
admin?
end
def show?
admin?
end
def update?
admin?
end
def enable?
admin?
end
def disable?
admin?
end
def rotate_secret?
admin?
end
def destroy?
admin?
end
end

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@ -0,0 +1,13 @@
# frozen_string_literal: true
class Webhooks::EventPresenter < ActiveModelSerializers::Model
attributes :type, :created_at, :object
def initialize(type, object)
super()
@type = type
@created_at = Time.now.utc
@object = object
end
end

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@ -1,7 +1,8 @@
# frozen_string_literal: true
class REST::Admin::ReportSerializer < ActiveModel::Serializer
attributes :id, :action_taken, :category, :comment, :created_at, :updated_at
attributes :id, :action_taken, :action_taken_at, :category, :comment,
:created_at, :updated_at
has_one :account, serializer: REST::Admin::AccountSerializer
has_one :target_account, serializer: REST::Admin::AccountSerializer

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@ -0,0 +1,26 @@
# frozen_string_literal: true
class REST::Admin::WebhookEventSerializer < ActiveModel::Serializer
def self.serializer_for(model, options)
case model.class.name
when 'Account'
REST::Admin::AccountSerializer
when 'Report'
REST::Admin::ReportSerializer
else
super
end
end
attributes :event, :created_at
has_one :virtual_object, key: :object
def virtual_object
object.object
end
def event
object.type
end
end

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@ -5,4 +5,8 @@ class BaseService
include ActionView::Helpers::SanitizeHelper
include RoutingHelper
def call(*)
raise NotImplementedError
end
end

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@ -0,0 +1,22 @@
# frozen_string_literal: true
class WebhookService < BaseService
def call(event, object)
@event = Webhooks::EventPresenter.new(event, object)
@body = serialize_event
webhooks_for_event.each do |webhook_id|
Webhooks::DeliveryWorker.perform_async(webhook_id, @body)
end
end
private
def webhooks_for_event
Webhook.enabled.where('? = ANY(events)', @event.type).pluck(:id)
end
def serialize_event
Oj.dump(ActiveModelSerializers::SerializableResource.new(@event, serializer: REST::Admin::WebhookEventSerializer, scope: nil, scope_name: :current_user).as_json)
end
end

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@ -2,7 +2,7 @@
class URLValidator < ActiveModel::EachValidator
def validate_each(record, attribute, value)
record.errors.add(attribute, I18n.t('applications.invalid_url')) unless compliant?(value)
record.errors.add(attribute, :invalid) unless compliant?(value)
end
private

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@ -0,0 +1,11 @@
= simple_form_for @webhook, url: @webhook.new_record? ? admin_webhooks_path : admin_webhook_path(@webhook) do |f|
= render 'shared/error_messages', object: @webhook
.fields-group
= f.input :url, wrapper: :with_block_label, input_html: { placeholder: 'https://' }
.fields-group
= f.input :events, collection: Webhook::EVENTS, wrapper: :with_block_label, include_blank: false, as: :check_boxes, collection_wrapper_tag: 'ul', item_wrapper_tag: 'li'
.actions
= f.button :button, @webhook.new_record? ? t('admin.webhooks.add_new') : t('generic.save_changes'), type: :submit

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@ -0,0 +1,19 @@
.applications-list__item
= link_to admin_webhook_path(webhook), class: 'announcements-list__item__title' do
= fa_icon 'inbox'
= webhook.url
.announcements-list__item__action-bar
.announcements-list__item__meta
- if webhook.enabled?
%span.positive-hint= t('admin.webhooks.enabled')
- else
%span.negative-hint= t('admin.webhooks.disabled')
%abbr{ title: webhook.events.join(', ') }= t('admin.webhooks.enabled_events', count: webhook.events.size)
%div
= table_link_to 'pencil', t('admin.webhooks.edit'), edit_admin_webhook_path(webhook) if can?(:update, webhook)
= table_link_to 'trash', t('admin.webhooks.delete'), admin_webhook_path(webhook), method: :delete, data: { confirm: t('admin.accounts.are_you_sure') } if can?(:destroy, webhook)

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@ -0,0 +1,4 @@
- content_for :page_title do
= t('admin.webhooks.edit')
= render partial: 'form'

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@ -0,0 +1,18 @@
- content_for :page_title do
= t('admin.webhooks.title')
- content_for :heading_actions do
= link_to t('admin.webhooks.add_new'), new_admin_webhook_path, class: 'button' if can?(:create, :webhook)
%p= t('admin.webhooks.description_html')
%hr.spacer/
- if @webhooks.empty?
%div.muted-hint.center-text
= t 'admin.webhooks.empty'
- else
.applications-list
= render partial: 'webhook', collection: @webhooks
= paginate @webhooks

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@ -0,0 +1,4 @@
- content_for :page_title do
= t('admin.webhooks.new')
= render partial: 'form'

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@ -0,0 +1,34 @@
- content_for :page_title do
= t('admin.webhooks.title')
- content_for :heading do
%h2
%small
= fa_icon 'inbox'
= t('admin.webhooks.webhook')
= @webhook.url
- content_for :heading_actions do
= link_to t('admin.webhooks.edit'), edit_admin_webhook_path, class: 'button' if can?(:update, @webhook)
.table-wrapper
%table.table.horizontal-table
%tbody
%tr
%th= t('admin.webhooks.status')
%td
- if @webhook.enabled?
%span.positive-hint= t('admin.webhooks.enabled')
= table_link_to 'power-off', t('admin.webhooks.disable'), disable_admin_webhook_path(@webhook), method: :post if can?(:disable, @webhook)
- else
%span.negative-hint= t('admin.webhooks.disabled')
= table_link_to 'power-off', t('admin.webhooks.enable'), enable_admin_webhook_path(@webhook), method: :post if can?(:enable, @webhook)
%tr
%th= t('admin.webhooks.events')
%td
%abbr{ title: @webhook.events.join(', ') }= t('admin.webhooks.enabled_events', count: @webhook.events.size)
%tr
%th= t('admin.webhooks.secret')
%td
%samp= @webhook.secret
= table_link_to 'refresh', t('admin.webhooks.rotate_secret'), rotate_admin_webhook_secret_path(@webhook), method: :post if can?(:rotate_secret, @webhook)

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@ -23,7 +23,10 @@
.content-wrapper
.content
.content-heading
%h2= yield :page_title
- if content_for?(:heading)
= yield :heading
- else
%h2= yield :page_title
- if :heading_actions
.content-heading-actions

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@ -0,0 +1,12 @@
# frozen_string_literal: true
class TriggerWebhookWorker
include Sidekiq::Worker
def perform(event, class_name, id)
object = class_name.constantize.find(id)
WebhookService.new.call(event, object)
rescue ActiveRecord::RecordNotFound
true
end
end

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@ -0,0 +1,37 @@
# frozen_string_literal: true
class Webhooks::DeliveryWorker
include Sidekiq::Worker
include JsonLdHelper
sidekiq_options queue: 'push', retry: 16, dead: false
def perform(webhook_id, body)
@webhook = Webhook.find(webhook_id)
@body = body
@response = nil
perform_request
rescue ActiveRecord::RecordNotFound
true
end
private
def perform_request
request = Request.new(:post, @webhook.url, body: @body)
request.add_headers(
'Content-Type' => 'application/json',
'X-Hub-Signature' => "sha256=#{signature}"
)
request.perform do |response|
raise Mastodon::UnexpectedResponseError, response unless response_successful?(response) || response_error_unsalvageable?(response)
end
end
def signature
OpenSSL::HMAC.hexdigest(OpenSSL::Digest.new('sha256'), @webhook.secret, @body)
end
end

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@ -21,6 +21,14 @@ en:
username:
invalid: must contain only letters, numbers and underscores
reserved: is reserved
admin/webhook:
attributes:
url:
invalid: is not a valid URL
doorkeeper/application:
attributes:
website:
invalid: is not a valid URL
status:
attributes:
reblog:

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@ -852,6 +852,26 @@ en:
edit_preset: Edit warning preset
empty: You haven't defined any warning presets yet.
title: Manage warning presets
webhooks:
add_new: Add endpoint
delete: Delete
description_html: A <strong>webhook</strong> enables Mastodon to push <strong>real-time notifications</strong> about chosen events to your own application, so your application can <strong>automatically trigger reactions</strong>.
disable: Disable
disabled: Disabled
edit: Edit endpoint
empty: You don't have any webhook endpoints configured yet.
enable: Enable
enabled: Active
enabled_events:
one: 1 enabled event
other: "%{count} enabled events"
events: Events
new: New webhook
rotate_secret: Rotate secret
secret: Signing secret
status: Status
title: Webhooks
webhook: Webhook
admin_mailer:
new_appeal:
actions:
@ -916,7 +936,6 @@ en:
applications:
created: Application successfully created
destroyed: Application successfully deleted
invalid_url: The provided URL is invalid
regenerate_token: Regenerate access token
token_regenerated: Access token successfully regenerated
warning: Be very careful with this data. Never share it with anyone!

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@ -91,6 +91,9 @@ en:
name: You can only change the casing of the letters, for example, to make it more readable
user:
chosen_languages: When checked, only posts in selected languages will be displayed in public timelines
webhook:
events: Select events to send
url: Where events will be sent to
labels:
account:
fields:
@ -219,6 +222,9 @@ en:
name: Hashtag
trendable: Allow this hashtag to appear under trends
usable: Allow posts to use this hashtag
webhook:
events: Enabled events
url: Endpoint URL
'no': 'No'
recommended: Recommended
required:

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@ -56,6 +56,7 @@ SimpleNavigation::Configuration.run do |navigation|
s.item :rules, safe_join([fa_icon('gavel fw'), t('admin.rules.title')]), admin_rules_path, highlights_on: %r{/admin/rules}
s.item :announcements, safe_join([fa_icon('bullhorn fw'), t('admin.announcements.title')]), admin_announcements_path, highlights_on: %r{/admin/announcements}
s.item :custom_emojis, safe_join([fa_icon('smile-o fw'), t('admin.custom_emojis.title')]), admin_custom_emojis_url, highlights_on: %r{/admin/custom_emojis}
s.item :webhooks, safe_join([fa_icon('inbox fw'), t('admin.webhooks.title')]), admin_webhooks_path, highlights_on: %r{/admin/webhooks}
s.item :relays, safe_join([fa_icon('exchange fw'), t('admin.relays.title')]), admin_relays_url, if: -> { current_user.admin? && !whitelist_mode? }, highlights_on: %r{/admin/relays}
s.item :sidekiq, safe_join([fa_icon('diamond fw'), 'Sidekiq']), sidekiq_url, link_html: { target: 'sidekiq' }, if: -> { current_user.admin? }
s.item :pghero, safe_join([fa_icon('database fw'), 'PgHero']), pghero_url, link_html: { target: 'pghero' }, if: -> { current_user.admin? }

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@ -235,6 +235,17 @@ Rails.application.routes.draw do
resources :rules
resources :webhooks do
member do
post :enable
post :disable
end
resource :secret, only: [], controller: 'webhooks/secrets' do
post :rotate
end
end
resources :reports, only: [:index, :show] do
resources :actions, only: [:create], controller: 'reports/actions'

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@ -0,0 +1,12 @@
class CreateWebhooks < ActiveRecord::Migration[6.1]
def change
create_table :webhooks do |t|
t.string :url, null: false, index: { unique: true }
t.string :events, array: true, null: false, default: []
t.string :secret, null: false, default: ''
t.boolean :enabled, null: false, default: true
t.timestamps
end
end
end

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@ -10,7 +10,7 @@
#
# It's strongly recommended that you check this file into your version control system.
ActiveRecord::Schema.define(version: 2022_05_27_114923) do
ActiveRecord::Schema.define(version: 2022_06_06_044941) do
# These are extensions that must be enabled in order to support this database
enable_extension "plpgsql"
@ -1035,6 +1035,16 @@ ActiveRecord::Schema.define(version: 2022_05_27_114923) do
t.index ["user_id"], name: "index_webauthn_credentials_on_user_id"
end
create_table "webhooks", force: :cascade do |t|
t.string "url", null: false
t.string "events", default: [], null: false, array: true
t.string "secret", default: "", null: false
t.boolean "enabled", default: true, null: false
t.datetime "created_at", precision: 6, null: false
t.datetime "updated_at", precision: 6, null: false
t.index ["url"], name: "index_webhooks_on_url", unique: true
end
add_foreign_key "account_aliases", "accounts", on_delete: :cascade
add_foreign_key "account_conversations", "accounts", on_delete: :cascade
add_foreign_key "account_conversations", "conversations", on_delete: :cascade

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@ -0,0 +1,5 @@
Fabricator(:webhook) do
url { Faker::Internet.url }
secret { SecureRandom.hex }
events { Webhook::EVENTS }
end

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@ -0,0 +1,32 @@
require 'rails_helper'
RSpec.describe Webhook, type: :model do
let(:webhook) { Fabricate(:webhook) }
describe '#rotate_secret!' do
it 'changes the secret' do
previous_value = webhook.secret
webhook.rotate_secret!
expect(webhook.secret).to_not be_blank
expect(webhook.secret).to_not eq previous_value
end
end
describe '#enable!' do
before do
webhook.disable!
end
it 'enables the webhook' do
webhook.enable!
expect(webhook.enabled?).to be true
end
end
describe '#disable!' do
it 'disables the webhook' do
webhook.disable!
expect(webhook.enabled?).to be false
end
end
end

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@ -19,7 +19,7 @@ RSpec.describe URLValidator, type: :validator do
let(:compliant) { false }
it 'calls errors.add' do
expect(errors).to have_received(:add).with(attribute, I18n.t('applications.invalid_url'))
expect(errors).to have_received(:add).with(attribute, :invalid)
end
end