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Merge tag 'v4.1.12'

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This commit is contained in:
Mike Barnes 2024-01-30 21:39:45 +11:00
commit bd7ce0d5f9
30 changed files with 776 additions and 362 deletions
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18
CHANGELOG.md
View file

@ -3,6 +3,24 @@ Changelog
All notable changes to this project will be documented in this file.
## [4.1.12] - 2024-01-24
### Fixed
- Fix error when processing remote files with unusually long names ([ClearlyClaire](https://github.com/mastodon/mastodon/pull/28823))
- Fix processing of compacted single-item JSON-LD collections ([ClearlyClaire](https://github.com/mastodon/mastodon/pull/28816))
- Retry 401 errors on replies fetching ([ShadowJonathan](https://github.com/mastodon/mastodon/pull/28788))
- Fix `RecordNotUnique` errors in LinkCrawlWorker ([tribela](https://github.com/mastodon/mastodon/pull/28748))
- Fix Mastodon not correctly processing HTTP Signatures with query strings ([ClearlyClaire](https://github.com/mastodon/mastodon/pull/28443), [ClearlyClaire](https://github.com/mastodon/mastodon/pull/28476))
- Fix potential redirection loop of streaming endpoint ([ClearlyClaire](https://github.com/mastodon/mastodon/pull/28665))
- Fix streaming API redirection ignoring the port of `streaming_api_base_url` ([ClearlyClaire](https://github.com/mastodon/mastodon/pull/28558))
- Fix `Undo Announce` activity not being sent to non-follower authors ([MitarashiDango](https://github.com/mastodon/mastodon/pull/18482))
- Fix `LinkCrawlWorker` error when encountering empty OEmbed response ([ClearlyClaire](https://github.com/mastodon/mastodon/pull/28268))
### Security
- Add rate-limit of TOTP authentication attempts at controller level ([ClearlyClaire](https://github.com/mastodon/mastodon/pull/28801))
## [4.1.11] - 2023-12-04
### Changed

11
app/controllers/api/v1/streaming_controller.rb
View file

@ -2,7 +2,7 @@
class Api::V1::StreamingController < Api::BaseController
def index
if Rails.configuration.x.streaming_api_base_url == request.host
if same_host?
not_found
else
redirect_to streaming_api_url, status: 301
@ -11,9 +11,16 @@ class Api::V1::StreamingController < Api::BaseController
private
def same_host?
base_url = Addressable::URI.parse(Rails.configuration.x.streaming_api_base_url)
request.host == base_url.host && request.port == (base_url.port || 80)
end
def streaming_api_url
Addressable::URI.parse(request.url).tap do |uri|
uri.host = Addressable::URI.parse(Rails.configuration.x.streaming_api_base_url).host
base_url = Addressable::URI.parse(Rails.configuration.x.streaming_api_base_url)
uri.host = base_url.host
uri.port = base_url.port
end.to_s
end
end

22
app/controllers/auth/sessions_controller.rb
View file

@ -1,6 +1,10 @@
# frozen_string_literal: true
class Auth::SessionsController < Devise::SessionsController
include Redisable
MAX_2FA_ATTEMPTS_PER_HOUR = 10
layout 'auth'
skip_before_action :require_no_authentication, only: [:create]
@ -136,9 +140,23 @@ class Auth::SessionsController < Devise::SessionsController
session.delete(:attempt_user_updated_at)
end
def clear_2fa_attempt_from_user(user)
redis.del(second_factor_attempts_key(user))
end
def check_second_factor_rate_limits(user)
attempts, = redis.multi do |multi|
multi.incr(second_factor_attempts_key(user))
multi.expire(second_factor_attempts_key(user), 1.hour)
end
attempts >= MAX_2FA_ATTEMPTS_PER_HOUR
end
def on_authentication_success(user, security_measure)
@on_authentication_success_called = true
clear_2fa_attempt_from_user(user)
clear_attempt_from_session
user.update_sign_in!(new_sign_in: true)
@ -170,4 +188,8 @@ class Auth::SessionsController < Devise::SessionsController
user_agent: request.user_agent
)
end
def second_factor_attempts_key(user)
"2fa_auth_attempts:#{user.id}:#{Time.now.utc.hour}"
end
end

27
app/controllers/concerns/signature_verification.rb
View file

@ -91,14 +91,23 @@ module SignatureVerification
raise SignatureVerificationError, "Public key not found for key #{signature_params['keyId']}" if actor.nil?
signature = Base64.decode64(signature_params['signature'])
compare_signed_string = build_signed_string
compare_signed_string = build_signed_string(include_query_string: true)
return actor unless verify_signature(actor, signature, compare_signed_string).nil?
# Compatibility quirk with older Mastodon versions
compare_signed_string = build_signed_string(include_query_string: false)
return actor unless verify_signature(actor, signature, compare_signed_string).nil?
actor = stoplight_wrap_request { actor_refresh_key!(actor) }
raise SignatureVerificationError, "Could not refresh public key #{signature_params['keyId']}" if actor.nil?
compare_signed_string = build_signed_string(include_query_string: true)
return actor unless verify_signature(actor, signature, compare_signed_string).nil?
# Compatibility quirk with older Mastodon versions
compare_signed_string = build_signed_string(include_query_string: false)
return actor unless verify_signature(actor, signature, compare_signed_string).nil?
fail_with! "Verification failed for #{actor.to_log_human_identifier} #{actor.uri} using rsa-sha256 (RSASSA-PKCS1-v1_5 with SHA-256)", signed_string: compare_signed_string, signature: signature_params['signature']
@ -177,16 +186,24 @@ module SignatureVerification
nil
end
def build_signed_string
def build_signed_string(include_query_string: true)
signed_headers.map do |signed_header|
if signed_header == Request::REQUEST_TARGET
case signed_header
when Request::REQUEST_TARGET
if include_query_string
"#{Request::REQUEST_TARGET}: #{request.method.downcase} #{request.original_fullpath}"
else
# Current versions of Mastodon incorrectly omit the query string from the (request-target) pseudo-header.
# Therefore, temporarily support such incorrect signatures for compatibility.
# TODO: remove eventually some time after release of the fixed version
"#{Request::REQUEST_TARGET}: #{request.method.downcase} #{request.path}"
elsif signed_header == '(created)'
end
when '(created)'
raise SignatureVerificationError, 'Invalid pseudo-header (created) for rsa-sha256' unless signature_algorithm == 'hs2019'
raise SignatureVerificationError, 'Pseudo-header (created) used but corresponding argument missing' if signature_params['created'].blank?
"(created): #{signature_params['created']}"
elsif signed_header == '(expires)'
when '(expires)'
raise SignatureVerificationError, 'Invalid pseudo-header (expires) for rsa-sha256' unless signature_algorithm == 'hs2019'
raise SignatureVerificationError, 'Pseudo-header (expires) used but corresponding argument missing' if signature_params['expires'].blank?

5
app/controllers/concerns/two_factor_authentication_concern.rb
View file

@ -65,6 +65,11 @@ module TwoFactorAuthenticationConcern
end
def authenticate_with_two_factor_via_otp(user)
if check_second_factor_rate_limits(user)
flash.now[:alert] = I18n.t('users.rate_limited')
return prompt_for_two_factor(user)
end
if valid_otp_attempt?(user)
on_authentication_success(user, :otp)
else

12
app/helpers/jsonld_helper.rb
View file

@ -157,7 +157,7 @@ module JsonLdHelper
end
end
def fetch_resource(uri, id, on_behalf_of = nil)
def fetch_resource(uri, id, on_behalf_of = nil, request_options: {})
unless id
json = fetch_resource_without_id_validation(uri, on_behalf_of)
@ -166,14 +166,14 @@ module JsonLdHelper
uri = json['id']
end
json = fetch_resource_without_id_validation(uri, on_behalf_of)
json = fetch_resource_without_id_validation(uri, on_behalf_of, request_options: request_options)
json.present? && json['id'] == uri ? json : nil
end
def fetch_resource_without_id_validation(uri, on_behalf_of = nil, raise_on_temporary_error = false)
def fetch_resource_without_id_validation(uri, on_behalf_of = nil, raise_on_temporary_error = false, request_options: {})
on_behalf_of ||= Account.representative
build_request(uri, on_behalf_of).perform do |response|
build_request(uri, on_behalf_of, options: request_options).perform do |response|
raise Mastodon::UnexpectedResponseError, response unless response_successful?(response) || response_error_unsalvageable?(response) || !raise_on_temporary_error
body_to_json(response.body_with_limit) if response.code == 200
@ -206,8 +206,8 @@ module JsonLdHelper
response.code == 501 || ((400...500).cover?(response.code) && ![401, 408, 429].include?(response.code))
end
def build_request(uri, on_behalf_of = nil)
Request.new(:get, uri).tap do |request|
def build_request(uri, on_behalf_of = nil, options: {})
Request.new(:get, uri, **options).tap do |request|
request.on_behalf_of(on_behalf_of) if on_behalf_of
request.add_headers('Accept' => 'application/activity+json, application/ld+json')
end

11
app/lib/request.rb
View file

@ -77,6 +77,7 @@ class Request
@url = Addressable::URI.parse(url).normalize
@http_client = options.delete(:http_client)
@allow_local = options.delete(:allow_local)
@full_path = options.delete(:with_query_string)
@options = options.merge(socket_class: use_proxy? || @allow_local ? ProxySocket : Socket)
@options = @options.merge(timeout_class: PerOperationWithDeadline, timeout_options: TIMEOUT)
@options = @options.merge(proxy_url) if use_proxy?
@ -146,7 +147,7 @@ class Request
private
def set_common_headers!
@headers[REQUEST_TARGET] = "#{@verb} #{@url.path}"
@headers[REQUEST_TARGET] = request_target
@headers['User-Agent'] = Mastodon::Version.user_agent
@headers['Host'] = @url.host
@headers['Date'] = Time.now.utc.httpdate
@ -157,6 +158,14 @@ class Request
@headers['Digest'] = "SHA-256=#{Digest::SHA256.base64digest(@options[:body])}"
end
def request_target
if @url.query.nil? || !@full_path
"#{@verb} #{@url.path}"
else
"#{@verb} #{@url.path}?#{@url.query}"
end
end
def signature
algorithm = 'rsa-sha256'
signature = Base64.strict_encode64(@keypair.sign(OpenSSL::Digest.new('SHA256'), signed_string))

12
app/lib/status_reach_finder.rb
View file

@ -16,17 +16,16 @@ class StatusReachFinder
private
def reached_account_inboxes
Account.where(id: reached_account_ids).inboxes
end
def reached_account_ids
# When the status is a reblog, there are no interactions with it
# directly, we assume all interactions are with the original one
if @status.reblog?
[]
[reblog_of_account_id]
else
Account.where(id: reached_account_ids).inboxes
end
end
def reached_account_ids
[
replied_to_account_id,
reblog_of_account_id,
@ -40,6 +39,7 @@ class StatusReachFinder
arr.uniq!
end
end
end
def replied_to_account_id
@status.in_reply_to_account_id if distributable?

2
app/models/account.rb
View file

@ -112,7 +112,7 @@ class Account < ApplicationRecord
scope :matches_domain, ->(value) { where(arel_table[:domain].matches("%#{value}%")) }
scope :without_unapproved, -> { left_outer_joins(:user).remote.or(left_outer_joins(:user).merge(User.approved.confirmed)) }
scope :searchable, -> { without_unapproved.without_suspended.where(moved_to_account_id: nil) }
scope :discoverable, -> { searchable.without_silenced.where(discoverable: true).left_outer_joins(:account_stat) }
scope :discoverable, -> { searchable.without_silenced.where(discoverable: true).joins(:account_stat) }
scope :followable_by, ->(account) { joins(arel_table.join(Follow.arel_table, Arel::Nodes::OuterJoin).on(arel_table[:id].eq(Follow.arel_table[:target_account_id]).and(Follow.arel_table[:account_id].eq(account.id))).join_sources).where(Follow.arel_table[:id].eq(nil)).joins(arel_table.join(FollowRequest.arel_table, Arel::Nodes::OuterJoin).on(arel_table[:id].eq(FollowRequest.arel_table[:target_account_id]).and(FollowRequest.arel_table[:account_id].eq(account.id))).join_sources).where(FollowRequest.arel_table[:id].eq(nil)) }
scope :by_recent_status, -> { includes(:account_stat).merge(AccountStat.order('last_status_at DESC NULLS LAST')).references(:account_stat) }
scope :by_recent_sign_in, -> { order(Arel.sql('users.current_sign_in_at DESC NULLS LAST')) }

4
app/services/activitypub/fetch_featured_collection_service.rb
View file

@ -23,9 +23,9 @@ class ActivityPub::FetchFeaturedCollectionService < BaseService
case collection['type']
when 'Collection', 'CollectionPage'
collection['items']
as_array(collection['items'])
when 'OrderedCollection', 'OrderedCollectionPage'
collection['orderedItems']
as_array(collection['orderedItems'])
end
end

18
app/services/activitypub/fetch_replies_service.rb
View file

@ -26,9 +26,9 @@ class ActivityPub::FetchRepliesService < BaseService
case collection['type']
when 'Collection', 'CollectionPage'
collection['items']
as_array(collection['items'])
when 'OrderedCollection', 'OrderedCollectionPage'
collection['orderedItems']
as_array(collection['orderedItems'])
end
end
@ -36,7 +36,21 @@ class ActivityPub::FetchRepliesService < BaseService
return collection_or_uri if collection_or_uri.is_a?(Hash)
return unless @allow_synchronous_requests
return if invalid_origin?(collection_or_uri)
# NOTE: For backward compatibility reasons, Mastodon signs outgoing
# queries incorrectly by default.
#
# While this is relevant for all URLs with query strings, this is
# the only code path where this happens in practice.
#
# Therefore, retry with correct signatures if this fails.
begin
fetch_resource_without_id_validation(collection_or_uri, nil, true)
rescue Mastodon::UnexpectedResponseError => e
raise unless e.response && e.response.code == 401 && Addressable::URI.parse(collection_or_uri).query.present?
fetch_resource_without_id_validation(collection_or_uri, nil, true, request_options: { with_query_string: true })
end
end
def filtered_replies

4
app/services/activitypub/synchronize_followers_service.rb
View file

@ -59,9 +59,9 @@ class ActivityPub::SynchronizeFollowersService < BaseService
case collection['type']
when 'Collection', 'CollectionPage'
collection['items']
as_array(collection['items'])
when 'OrderedCollection', 'OrderedCollectionPage'
collection['orderedItems']
as_array(collection['orderedItems'])
end
end

2
app/services/fetch_oembed_service.rb
View file

@ -100,7 +100,7 @@ class FetchOEmbedService
end
def validate(oembed)
oembed if oembed[:version].to_s == '1.0' && oembed[:type].present?
oembed if oembed.present? && oembed[:version].to_s == '1.0' && oembed[:type].present?
end
def html

2
app/services/keys/query_service.rb
View file

@ -69,7 +69,7 @@ class Keys::QueryService < BaseService
return if json['items'].blank?
@devices = json['items'].map do |device|
@devices = as_array(json['items']).map do |device|
Device.new(device_id: device['id'], name: device['name'], identity_key: device.dig('identityKey', 'publicKeyBase64'), fingerprint_key: device.dig('fingerprintKey', 'publicKeyBase64'), claim_url: device['claim'])
end
rescue HTTP::Error, OpenSSL::SSL::SSLError, Mastodon::Error => e

6
app/services/reblog_service.rb
View file

@ -45,11 +45,7 @@ class ReblogService < BaseService
def create_notification(reblog)
reblogged_status = reblog.reblog
if reblogged_status.account.local?
LocalNotificationWorker.perform_async(reblogged_status.account_id, reblog.id, reblog.class.name, 'reblog')
elsif reblogged_status.account.activitypub? && !reblogged_status.account.following?(reblog.account)
ActivityPub::DeliveryWorker.perform_async(build_json(reblog), reblog.account_id, reblogged_status.account.inbox_url)
end
LocalNotificationWorker.perform_async(reblogged_status.account_id, reblog.id, reblog.class.name, 'reblog') if reblogged_status.account.local?
end
def bump_potential_friendship(account, reblog)

2
app/workers/link_crawl_worker.rb
View file

@ -7,7 +7,7 @@ class LinkCrawlWorker
def perform(status_id)
FetchLinkCardService.new.call(Status.find(status_id))
rescue ActiveRecord::RecordNotFound
rescue ActiveRecord::RecordNotFound, ActiveRecord::RecordNotUnique
true
end
end

1
config/locales/en.yml
View file

@ -1684,6 +1684,7 @@ en:
follow_limit_reached: You cannot follow more than %{limit} people
invalid_otp_token: Invalid two-factor code
otp_lost_help_html: If you lost access to both, you may get in touch with %{email}
rate_limited: Too many authentication attempts, try again later.
seamless_external_login: You are logged in via an external service, so password and e-mail settings are not available.
signed_in_as: 'Signed in as:'
verification:

6
docker-compose.yml
View file

@ -56,7 +56,7 @@ services:
web:
build: .
image: ghcr.io/mastodon/mastodon:v4.1.11
image: ghcr.io/mastodon/mastodon:v4.1.12
restart: always
env_file: .env.production
command: bash -c "rm -f /mastodon/tmp/pids/server.pid; bundle exec rails s -p 3000"
@ -77,7 +77,7 @@ services:
streaming:
build: .
image: ghcr.io/mastodon/mastodon:v4.1.11
image: ghcr.io/mastodon/mastodon:v4.1.12
restart: always
env_file: .env.production
command: node ./streaming
@ -95,7 +95,7 @@ services:
sidekiq:
build: .
image: ghcr.io/mastodon/mastodon:v4.1.11
image: ghcr.io/mastodon/mastodon:v4.1.12
restart: always
env_file: .env.production
command: bundle exec sidekiq

2
lib/mastodon/version.rb
View file

@ -13,7 +13,7 @@ module Mastodon
end
def patch
11
12
end
def flags

9
lib/paperclip/response_with_limit_adapter.rb
View file

@ -16,7 +16,7 @@ module Paperclip
private
def cache_current_values
@original_filename = filename_from_content_disposition.presence || filename_from_path.presence || 'data'
@original_filename = truncated_filename
@tempfile = copy_to_tempfile(@target)
@content_type = ContentTypeDetector.new(@tempfile.path).detect
@size = File.size(@tempfile)
@ -43,6 +43,13 @@ module Paperclip
source.response.connection.close
end
def truncated_filename
filename = filename_from_content_disposition.presence || filename_from_path.presence || 'data'
extension = File.extname(filename)
basename = File.basename(filename, extension)
[basename[...20], extension[..4]].compact_blank.join
end
def filename_from_content_disposition
disposition = @target.response.headers['content-disposition']
disposition&.match(/filename="([^"]*)"/)&.captures&.first

2
spec/controllers/api/v1/streaming_controller_spec.rb
View file

@ -5,7 +5,7 @@ require 'rails_helper'
describe Api::V1::StreamingController do
around(:each) do |example|
before = Rails.configuration.x.streaming_api_base_url
Rails.configuration.x.streaming_api_base_url = Rails.configuration.x.web_domain
Rails.configuration.x.streaming_api_base_url = "wss://#{Rails.configuration.x.web_domain}"
example.run
Rails.configuration.x.streaming_api_base_url = before
end

22
spec/controllers/auth/sessions_controller_spec.rb
View file

@ -262,7 +262,27 @@ RSpec.describe Auth::SessionsController, type: :controller do
end
end
context 'using a valid OTP' do
context 'when repeatedly using an invalid TOTP code before using a valid code' do
before do
stub_const('Auth::SessionsController::MAX_2FA_ATTEMPTS_PER_HOUR', 2)
end
it 'does not log the user in' do
# Travel to the beginning of an hour to avoid crossing rate-limit buckets
travel_to '2023-12-20T10:00:00Z'
Auth::SessionsController::MAX_2FA_ATTEMPTS_PER_HOUR.times do
post :create, params: { user: { otp_attempt: '1234' } }, session: { attempt_user_id: user.id, attempt_user_updated_at: user.updated_at.to_s }
expect(controller.current_user).to be_nil
end
post :create, params: { user: { otp_attempt: user.current_otp } }, session: { attempt_user_id: user.id, attempt_user_updated_at: user.updated_at.to_s }
expect(controller.current_user).to be_nil
expect(flash[:alert]).to match I18n.t('users.rate_limited')
end
end
context 'when using a valid OTP' do
before do
post :create, params: { user: { otp_attempt: user.current_otp } }, session: { attempt_user_id: user.id, attempt_user_updated_at: user.updated_at.to_s }
end

303
spec/controllers/concerns/signature_verification_spec.rb
View file

@ -1,303 +0,0 @@
# frozen_string_literal: true
require 'rails_helper'
describe ApplicationController, type: :controller do
class WrappedActor
attr_reader :wrapped_account
def initialize(wrapped_account)
@wrapped_account = wrapped_account
end
delegate :uri, :keypair, to: :wrapped_account
end
controller do
include SignatureVerification
before_action :require_actor_signature!, only: [:signature_required]
def success
head 200
end
def alternative_success
head 200
end
def signature_required
head 200
end
end
before do
routes.draw do
match via: [:get, :post], 'success' => 'anonymous#success'
match via: [:get, :post], 'signature_required' => 'anonymous#signature_required'
end
end
context 'without signature header' do
before do
get :success
end
describe '#signed_request?' do
it 'returns false' do
expect(controller.signed_request?).to be false
end
end
describe '#signed_request_account' do
it 'returns nil' do
expect(controller.signed_request_account).to be_nil
end
end
end
context 'with signature header' do
let!(:author) { Fabricate(:account, domain: 'example.com', uri: 'https://example.com/actor') }
context 'without body' do
before do
get :success
fake_request = Request.new(:get, request.url)
fake_request.on_behalf_of(author)
request.headers.merge!(fake_request.headers)
end
describe '#signed_request?' do
it 'returns true' do
expect(controller.signed_request?).to be true
end
end
describe '#signed_request_account' do
it 'returns an account' do
expect(controller.signed_request_account).to eq author
end
it 'returns nil when path does not match' do
request.path = '/alternative-path'
expect(controller.signed_request_account).to be_nil
end
it 'returns nil when method does not match' do
post :success
expect(controller.signed_request_account).to be_nil
end
end
end
context 'with a valid actor that is not an Account' do
let(:actor) { WrappedActor.new(author) }
before do
get :success
fake_request = Request.new(:get, request.url)
fake_request.on_behalf_of(author)
request.headers.merge!(fake_request.headers)
allow(ActivityPub::TagManager.instance).to receive(:uri_to_actor).with(anything) do
actor
end
end
describe '#signed_request?' do
it 'returns true' do
expect(controller.signed_request?).to be true
end
end
describe '#signed_request_account' do
it 'returns nil' do
expect(controller.signed_request_account).to be_nil
end
end
describe '#signed_request_actor' do
it 'returns the expected actor' do
expect(controller.signed_request_actor).to eq actor
end
end
end
context 'with request with unparseable Date header' do
before do
get :success
fake_request = Request.new(:get, request.url)
fake_request.add_headers({ 'Date' => 'wrong date' })
fake_request.on_behalf_of(author)
request.headers.merge!(fake_request.headers)
end
describe '#signed_request?' do
it 'returns true' do
expect(controller.signed_request?).to be true
end
end
describe '#signed_request_account' do
it 'returns nil' do
expect(controller.signed_request_account).to be_nil
end
end
describe '#signature_verification_failure_reason' do
it 'contains an error description' do
controller.signed_request_account
expect(controller.signature_verification_failure_reason[:error]).to eq 'Invalid Date header: not RFC 2616 compliant date: "wrong date"'
end
end
end
context 'with request older than a day' do
before do
get :success
fake_request = Request.new(:get, request.url)
fake_request.add_headers({ 'Date' => 2.days.ago.utc.httpdate })
fake_request.on_behalf_of(author)
request.headers.merge!(fake_request.headers)
end
describe '#signed_request?' do
it 'returns true' do
expect(controller.signed_request?).to be true
end
end
describe '#signed_request_account' do
it 'returns nil' do
expect(controller.signed_request_account).to be_nil
end
end
describe '#signature_verification_failure_reason' do
it 'contains an error description' do
controller.signed_request_account
expect(controller.signature_verification_failure_reason[:error]).to eq 'Signed request date outside acceptable time window'
end
end
end
context 'with inaccessible key' do
before do
get :success
author = Fabricate(:account, domain: 'localhost:5000', uri: 'http://localhost:5000/actor')
fake_request = Request.new(:get, request.url)
fake_request.on_behalf_of(author)
author.destroy
request.headers.merge!(fake_request.headers)
stub_request(:get, 'http://localhost:5000/actor#main-key').to_raise(Mastodon::HostValidationError)
end
describe '#signed_request?' do
it 'returns true' do
expect(controller.signed_request?).to be true
end
end
describe '#signed_request_account' do
it 'returns nil' do
expect(controller.signed_request_account).to be_nil
end
end
end
context 'with body' do
before do
allow(controller).to receive(:actor_refresh_key!).and_return(author)
post :success, body: 'Hello world'
fake_request = Request.new(:post, request.url, body: 'Hello world')
fake_request.on_behalf_of(author)
request.headers.merge!(fake_request.headers)
end
describe '#signed_request?' do
it 'returns true' do
expect(controller.signed_request?).to be true
end
end
describe '#signed_request_account' do
it 'returns an account' do
expect(controller.signed_request_account).to eq author
end
end
context 'when path does not match' do
before do
request.path = '/alternative-path'
end
describe '#signed_request_account' do
it 'returns nil' do
expect(controller.signed_request_account).to be_nil
end
end
describe '#signature_verification_failure_reason' do
it 'contains an error description' do
controller.signed_request_account
expect(controller.signature_verification_failure_reason[:error]).to include('using rsa-sha256 (RSASSA-PKCS1-v1_5 with SHA-256)')
expect(controller.signature_verification_failure_reason[:signed_string]).to include("(request-target): post /alternative-path\n")
end
end
end
context 'when method does not match' do
before do
get :success
end
describe '#signed_request_account' do
it 'returns nil' do
expect(controller.signed_request_account).to be_nil
end
end
end
context 'when body has been tampered' do
before do
post :success, body: 'doo doo doo'
end
describe '#signed_request_account' do
it 'returns nil when body has been tampered' do
expect(controller.signed_request_account).to be_nil
end
end
end
end
end
context 'when a signature is required' do
before do
get :signature_required
end
context 'without signature header' do
it 'returns HTTP 401' do
expect(response).to have_http_status(401)
end
it 'returns an error' do
expect(Oj.load(response.body)['error']).to eq 'Request not signed'
end
end
end
end

8
spec/lib/activitypub/tag_manager_spec.rb
View file

@ -110,6 +110,14 @@ RSpec.describe ActivityPub::TagManager do
expect(subject.cc(status)).to include(subject.uri_for(foo))
expect(subject.cc(status)).to_not include(subject.uri_for(alice))
end
it 'returns poster of reblogged post, if reblog' do
bob = Fabricate(:account, username: 'bob', domain: 'example.com', inbox_url: 'http://example.com/bob')
alice = Fabricate(:account, username: 'alice')
status = Fabricate(:status, visibility: :public, account: bob)
reblog = Fabricate(:status, visibility: :public, account: alice, reblog: status)
expect(subject.cc(reblog)).to include(subject.uri_for(bob))
end
end
describe '#local_uri?' do

139
spec/requests/api/v1/directories_spec.rb Normal file
View file

@ -0,0 +1,139 @@
# frozen_string_literal: true
require 'rails_helper'
describe 'Directories API' do
let(:user) { Fabricate(:user, confirmed_at: nil) }
let(:token) { Fabricate(:accessible_access_token, resource_owner_id: user.id, scopes: scopes) }
let(:scopes) { 'read:follows' }
let(:headers) { { 'Authorization' => "Bearer #{token.token}" } }
describe 'GET /api/v1/directories' do
context 'with no params' do
before do
local_unconfirmed_account = Fabricate(
:account,
domain: nil,
user: Fabricate(:user, confirmed_at: nil, approved: true),
username: 'local_unconfirmed'
)
local_unconfirmed_account.create_account_stat!
local_unapproved_account = Fabricate(
:account,
domain: nil,
user: Fabricate(:user, confirmed_at: 10.days.ago),
username: 'local_unapproved'
)
local_unapproved_account.create_account_stat!
local_unapproved_account.user.update(approved: false)
local_undiscoverable_account = Fabricate(
:account,
domain: nil,
user: Fabricate(:user, confirmed_at: 10.days.ago, approved: true),
discoverable: false,
username: 'local_undiscoverable'
)
local_undiscoverable_account.create_account_stat!
excluded_from_timeline_account = Fabricate(
:account,
domain: 'host.example',
discoverable: true,
username: 'remote_excluded_from_timeline'
)
excluded_from_timeline_account.create_account_stat!
Fabricate(:block, account: user.account, target_account: excluded_from_timeline_account)
domain_blocked_account = Fabricate(
:account,
domain: 'test.example',
discoverable: true,
username: 'remote_domain_blocked'
)
domain_blocked_account.create_account_stat!
Fabricate(:account_domain_block, account: user.account, domain: 'test.example')
local_discoverable_account.create_account_stat!
eligible_remote_account.create_account_stat!
end
let(:local_discoverable_account) do
Fabricate(
:account,
domain: nil,
user: Fabricate(:user, confirmed_at: 10.days.ago, approved: true),
discoverable: true,
username: 'local_discoverable'
)
end
let(:eligible_remote_account) do
Fabricate(
:account,
domain: 'host.example',
discoverable: true,
username: 'eligible_remote'
)
end
it 'returns the local discoverable account and the remote discoverable account' do
get '/api/v1/directory', headers: headers
expect(response).to have_http_status(200)
expect(body_as_json.size).to eq(2)
expect(body_as_json.pluck(:id)).to contain_exactly(eligible_remote_account.id.to_s, local_discoverable_account.id.to_s)
end
end
context 'when asking for local accounts only' do
let(:user) { Fabricate(:user, confirmed_at: 10.days.ago, approved: true) }
let(:local_account) { Fabricate(:account, domain: nil, user: user) }
let(:remote_account) { Fabricate(:account, domain: 'host.example') }
before do
local_account.create_account_stat!
remote_account.create_account_stat!
end
it 'returns only the local accounts' do
get '/api/v1/directory', headers: headers, params: { local: '1' }
expect(response).to have_http_status(200)
expect(body_as_json.size).to eq(1)
expect(body_as_json.first[:id]).to include(local_account.id.to_s)
expect(response.body).to_not include(remote_account.id.to_s)
end
end
context 'when ordered by active' do
it 'returns accounts in order of most recent status activity' do
old_stat = Fabricate(:account_stat, last_status_at: 1.day.ago)
new_stat = Fabricate(:account_stat, last_status_at: 1.minute.ago)
get '/api/v1/directory', headers: headers, params: { order: 'active' }
expect(response).to have_http_status(200)
expect(body_as_json.size).to eq(2)
expect(body_as_json.first[:id]).to include(new_stat.account_id.to_s)
expect(body_as_json.second[:id]).to include(old_stat.account_id.to_s)
end
end
context 'when ordered by new' do
it 'returns accounts in order of creation' do
account_old = Fabricate(:account_stat).account
travel_to 10.seconds.from_now
account_new = Fabricate(:account_stat).account
get '/api/v1/directory', headers: headers, params: { order: 'new' }
expect(response).to have_http_status(200)
expect(body_as_json.size).to eq(2)
expect(body_as_json.first[:id]).to include(account_new.id.to_s)
expect(body_as_json.second[:id]).to include(account_old.id.to_s)
end
end
end
end

398
spec/requests/signature_verification_spec.rb Normal file
View file

@ -0,0 +1,398 @@
# frozen_string_literal: true
require 'rails_helper'
describe 'signature verification concern' do
before do
stub_tests_controller
# Signature checking is time-dependent, so travel to a fixed date
travel_to '2023-12-20T10:00:00Z'
end
after { Rails.application.reload_routes! }
# Include the private key so the tests can be easily adjusted and reviewed
let(:actor_keypair) do
OpenSSL::PKey.read(<<~PEM_TEXT)
-----BEGIN RSA PRIVATE KEY-----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-----END RSA PRIVATE KEY-----
PEM_TEXT
end
context 'without a Signature header' do
it 'does not treat the request as signed' do
get '/activitypub/success'
expect(response).to have_http_status(200)
expect(body_as_json).to match(
signed_request: false,
signature_actor_id: nil,
error: 'Request not signed'
)
end
context 'when a signature is required' do
it 'returns http unauthorized with appropriate error' do
get '/activitypub/signature_required'
expect(response).to have_http_status(401)
expect(body_as_json).to match(
error: 'Request not signed'
)
end
end
end
context 'with an HTTP Signature from a known account' do
let!(:actor) { Fabricate(:account, domain: 'remote.domain', uri: 'https://remote.domain/users/bob', private_key: nil, public_key: actor_keypair.public_key.to_pem) }
context 'with a valid signature on a GET request' do
let(:signature_header) do
'keyId="https://remote.domain/users/bob#main-key",algorithm="rsa-sha256",headers="date host (request-target)",signature="Z8ilar3J7bOwqZkMp7sL8sRs4B1FT+UorbmvWoE+A5UeoOJ3KBcUmbsh+k3wQwbP5gMNUrra9rEWabpasZGphLsbDxfbsWL3Cf0PllAc7c1c7AFEwnewtExI83/qqgEkfWc2z7UDutXc2NfgAx89Ox8DXU/fA2GG0jILjB6UpFyNugkY9rg6oI31UnvfVi3R7sr3/x8Ea3I9thPvqI2byF6cojknSpDAwYzeKdngX3TAQEGzFHz3SDWwyp3jeMWfwvVVbM38FxhvAnSumw7YwWW4L7M7h4M68isLimoT3yfCn2ucBVL5Dz8koBpYf/40w7QidClAwCafZQFC29yDOg=="' # rubocop:disable Layout/LineLength
end
it 'successfuly verifies signature', :aggregate_failures do
expect(signature_header).to eq build_signature_string(actor_keypair, 'https://remote.domain/users/bob#main-key', 'get /activitypub/success', { 'Date' => 'Wed, 20 Dec 2023 10:00:00 GMT', 'Host' => 'www.example.com' })
get '/activitypub/success', headers: {
'Host' => 'www.example.com',
'Date' => 'Wed, 20 Dec 2023 10:00:00 GMT',
'Signature' => signature_header,
}
expect(response).to have_http_status(200)
expect(body_as_json).to match(
signed_request: true,
signature_actor_id: actor.id.to_s
)
end
end
context 'with a valid signature on a GET request that has a query string' do
let(:signature_header) do
'keyId="https://remote.domain/users/bob#main-key",algorithm="rsa-sha256",headers="date host (request-target)",signature="SDMa4r/DQYMXYxVgYO2yEqGWWUXugKjVuz0I8dniQAk+aunzBaF2aPu+4grBfawAshlx1Xytl8lhb0H2MllEz16/tKY7rUrb70MK0w8ohXgpb0qs3YvQgdj4X24L1x2MnkFfKHR/J+7TBlnivq0HZqXm8EIkPWLv+eQxu8fbowLwHIVvRd/3t6FzvcfsE0UZKkoMEX02542MhwSif6cu7Ec/clsY9qgKahb9JVGOGS1op9Lvg/9y1mc8KCgD83U5IxVygYeYXaVQ6gixA9NgZiTCwEWzHM5ELm7w5hpdLFYxYOHg/3G3fiqJzpzNQAcCD4S4JxfE7hMI0IzVlNLT6A=="' # rubocop:disable Layout/LineLength
end
it 'successfuly verifies signature', :aggregate_failures do
expect(signature_header).to eq build_signature_string(actor_keypair, 'https://remote.domain/users/bob#main-key', 'get /activitypub/success?foo=42', { 'Date' => 'Wed, 20 Dec 2023 10:00:00 GMT', 'Host' => 'www.example.com' })
get '/activitypub/success?foo=42', headers: {
'Host' => 'www.example.com',
'Date' => 'Wed, 20 Dec 2023 10:00:00 GMT',
'Signature' => signature_header,
}
expect(response).to have_http_status(200)
expect(body_as_json).to match(
signed_request: true,
signature_actor_id: actor.id.to_s
)
end
end
context 'when the query string is missing from the signature verification (compatibility quirk)' do
let(:signature_header) do
'keyId="https://remote.domain/users/bob#main-key",algorithm="rsa-sha256",headers="date host (request-target)",signature="Z8ilar3J7bOwqZkMp7sL8sRs4B1FT+UorbmvWoE+A5UeoOJ3KBcUmbsh+k3wQwbP5gMNUrra9rEWabpasZGphLsbDxfbsWL3Cf0PllAc7c1c7AFEwnewtExI83/qqgEkfWc2z7UDutXc2NfgAx89Ox8DXU/fA2GG0jILjB6UpFyNugkY9rg6oI31UnvfVi3R7sr3/x8Ea3I9thPvqI2byF6cojknSpDAwYzeKdngX3TAQEGzFHz3SDWwyp3jeMWfwvVVbM38FxhvAnSumw7YwWW4L7M7h4M68isLimoT3yfCn2ucBVL5Dz8koBpYf/40w7QidClAwCafZQFC29yDOg=="' # rubocop:disable Layout/LineLength
end
it 'successfuly verifies signature', :aggregate_failures do
expect(signature_header).to eq build_signature_string(actor_keypair, 'https://remote.domain/users/bob#main-key', 'get /activitypub/success', { 'Date' => 'Wed, 20 Dec 2023 10:00:00 GMT', 'Host' => 'www.example.com' })
get '/activitypub/success?foo=42', headers: {
'Host' => 'www.example.com',
'Date' => 'Wed, 20 Dec 2023 10:00:00 GMT',
'Signature' => signature_header,
}
expect(response).to have_http_status(200)
expect(body_as_json).to match(
signed_request: true,
signature_actor_id: actor.id.to_s
)
end
end
context 'with mismatching query string' do
let(:signature_header) do
'keyId="https://remote.domain/users/bob#main-key",algorithm="rsa-sha256",headers="date host (request-target)",signature="SDMa4r/DQYMXYxVgYO2yEqGWWUXugKjVuz0I8dniQAk+aunzBaF2aPu+4grBfawAshlx1Xytl8lhb0H2MllEz16/tKY7rUrb70MK0w8ohXgpb0qs3YvQgdj4X24L1x2MnkFfKHR/J+7TBlnivq0HZqXm8EIkPWLv+eQxu8fbowLwHIVvRd/3t6FzvcfsE0UZKkoMEX02542MhwSif6cu7Ec/clsY9qgKahb9JVGOGS1op9Lvg/9y1mc8KCgD83U5IxVygYeYXaVQ6gixA9NgZiTCwEWzHM5ELm7w5hpdLFYxYOHg/3G3fiqJzpzNQAcCD4S4JxfE7hMI0IzVlNLT6A=="' # rubocop:disable Layout/LineLength
end
it 'fails to verify signature', :aggregate_failures do
expect(signature_header).to eq build_signature_string(actor_keypair, 'https://remote.domain/users/bob#main-key', 'get /activitypub/success?foo=42', { 'Date' => 'Wed, 20 Dec 2023 10:00:00 GMT', 'Host' => 'www.example.com' })
get '/activitypub/success?foo=43', headers: {
'Host' => 'www.example.com',
'Date' => 'Wed, 20 Dec 2023 10:00:00 GMT',
'Signature' => signature_header,
}
expect(body_as_json).to match(
signed_request: true,
signature_actor_id: nil,
error: anything
)
end
end
context 'with a mismatching path' do
it 'fails to verify signature', :aggregate_failures do
get '/activitypub/alternative-path', headers: {
'Host' => 'www.example.com',
'Date' => 'Wed, 20 Dec 2023 10:00:00 GMT',
'Signature' => 'keyId="https://remote.domain/users/bob#main-key",algorithm="rsa-sha256",headers="date host (request-target)",signature="Z8ilar3J7bOwqZkMp7sL8sRs4B1FT+UorbmvWoE+A5UeoOJ3KBcUmbsh+k3wQwbP5gMNUrra9rEWabpasZGphLsbDxfbsWL3Cf0PllAc7c1c7AFEwnewtExI83/qqgEkfWc2z7UDutXc2NfgAx89Ox8DXU/fA2GG0jILjB6UpFyNugkY9rg6oI31UnvfVi3R7sr3/x8Ea3I9thPvqI2byF6cojknSpDAwYzeKdngX3TAQEGzFHz3SDWwyp3jeMWfwvVVbM38FxhvAnSumw7YwWW4L7M7h4M68isLimoT3yfCn2ucBVL5Dz8koBpYf/40w7QidClAwCafZQFC29yDOg=="', # rubocop:disable Layout/LineLength
}
expect(body_as_json).to match(
signed_request: true,
signature_actor_id: nil,
error: anything
)
end
end
context 'with a mismatching method' do
it 'fails to verify signature', :aggregate_failures do
post '/activitypub/success', headers: {
'Host' => 'www.example.com',
'Date' => 'Wed, 20 Dec 2023 10:00:00 GMT',
'Signature' => 'keyId="https://remote.domain/users/bob#main-key",algorithm="rsa-sha256",headers="date host (request-target)",signature="Z8ilar3J7bOwqZkMp7sL8sRs4B1FT+UorbmvWoE+A5UeoOJ3KBcUmbsh+k3wQwbP5gMNUrra9rEWabpasZGphLsbDxfbsWL3Cf0PllAc7c1c7AFEwnewtExI83/qqgEkfWc2z7UDutXc2NfgAx89Ox8DXU/fA2GG0jILjB6UpFyNugkY9rg6oI31UnvfVi3R7sr3/x8Ea3I9thPvqI2byF6cojknSpDAwYzeKdngX3TAQEGzFHz3SDWwyp3jeMWfwvVVbM38FxhvAnSumw7YwWW4L7M7h4M68isLimoT3yfCn2ucBVL5Dz8koBpYf/40w7QidClAwCafZQFC29yDOg=="', # rubocop:disable Layout/LineLength
}
expect(body_as_json).to match(
signed_request: true,
signature_actor_id: nil,
error: anything
)
end
end
context 'with an unparsable date' do
let(:signature_header) do
'keyId="https://remote.domain/users/bob#main-key",algorithm="rsa-sha256",headers="date host (request-target)",signature="d4B7nfx8RJcfdJDu1J//5WzPzK/hgtPkdzZx49lu5QhnE7qdV3lgyVimmhCFrO16bwvzIp9iRMyRLkNFxLiEeVaa1gqeKbldGSnU0B0OMjx7rFBa65vLuzWQOATDitVGiBEYqoK4v0DMuFCz2DtFaA/DIUZ3sty8bZ/Ea3U1nByLOO6MacARA3zhMSI0GNxGqsSmZmG0hPLavB3jIXoE3IDoQabMnC39jrlcO/a8h1iaxBm2WD8TejrImJullgqlJIFpKhIHI3ipQkvTGPlm9dx0y+beM06qBvWaWQcmT09eRIUefVsOAzIhUtS/7FVb/URhZvircIJDa7vtiFcmZQ=="' # rubocop:disable Layout/LineLength
end
it 'fails to verify signature', :aggregate_failures do
expect(signature_header).to eq build_signature_string(actor_keypair, 'https://remote.domain/users/bob#main-key', 'get /activitypub/success', { 'Date' => 'wrong date', 'Host' => 'www.example.com' })
get '/activitypub/success', headers: {
'Host' => 'www.example.com',
'Date' => 'wrong date',
'Signature' => signature_header,
}
expect(body_as_json).to match(
signed_request: true,
signature_actor_id: nil,
error: 'Invalid Date header: not RFC 2616 compliant date: "wrong date"'
)
end
end
context 'with a request older than a day' do
let(:signature_header) do
'keyId="https://remote.domain/users/bob#main-key",algorithm="rsa-sha256",headers="date host (request-target)",signature="G1NuJv4zgoZ3B/ZIjzDWZHK4RC+5pYee74q8/LJEMCWXhcnAomcb9YHaqk1QYfQvcBUIXw3UZ3Q9xO8F9y0i8G5mzJHfQ+OgHqCoJk8EmGwsUXJMh5s1S5YFCRt8TT12TmJZz0VMqLq85ubueSYBM7QtUE/FzFIVLvz4RysgXxaXQKzdnM6+gbUEEKdCURpXdQt2NXQhp4MAmZH3+0lQoR6VxdsK0hx0Ji2PNp1nuqFTlYqNWZazVdLBN+9rETLRmvGXknvg9jOxTTppBVWnkAIl26HtLS3wwFVvz4pJzi9OQDOvLziehVyLNbU61hky+oJ215e2HuKSe2hxHNl1MA=="' # rubocop:disable Layout/LineLength
end
it 'fails to verify signature', :aggregate_failures do
expect(signature_header).to eq build_signature_string(actor_keypair, 'https://remote.domain/users/bob#main-key', 'get /activitypub/success', { 'Date' => 'Wed, 18 Dec 2023 10:00:00 GMT', 'Host' => 'www.example.com' })
get '/activitypub/success', headers: {
'Host' => 'www.example.com',
'Date' => 'Wed, 18 Dec 2023 10:00:00 GMT',
'Signature' => signature_header,
}
expect(body_as_json).to match(
signed_request: true,
signature_actor_id: nil,
error: 'Signed request date outside acceptable time window'
)
end
end
context 'with a valid signature on a POST request' do
let(:digest_header) { 'SHA-256=ZOyIygCyaOW6GjVnihtTFtIS9PNmskdyMlNKiuyjfzw=' }
let(:signature_header) do
'keyId="https://remote.domain/users/bob#main-key",algorithm="rsa-sha256",headers="host date digest (request-target)",signature="gmhMjgMROGElJU3fpehV2acD5kMHeELi8EFP2UPHOdQ54H0r55AxIpji+J3lPe+N2qSb/4H1KXIh6f0lRu8TGSsu12OQmg5hiO8VA9flcA/mh9Lpk+qwlQZIPRqKP9xUEfqD+Z7ti5wPzDKrWAUK/7FIqWgcT/mlqB1R1MGkpMFc/q4CIs2OSNiWgA4K+Kp21oQxzC2kUuYob04gAZ7cyE/FTia5t08uv6lVYFdRsn4XNPn1MsHgFBwBMRG79ng3SyhoG4PrqBEi5q2IdLq3zfre/M6He3wlCpyO2VJNdGVoTIzeZ0Zz8jUscPV3XtWUchpGclLGSaKaq/JyNZeiYQ=="' # rubocop:disable Layout/LineLength
end
it 'successfuly verifies signature', :aggregate_failures do
expect(digest_header).to eq digest_value('Hello world')
expect(signature_header).to eq build_signature_string(actor_keypair, 'https://remote.domain/users/bob#main-key', 'post /activitypub/success', { 'Host' => 'www.example.com', 'Date' => 'Wed, 20 Dec 2023 10:00:00 GMT', 'Digest' => digest_header })
post '/activitypub/success', params: 'Hello world', headers: {
'Host' => 'www.example.com',
'Date' => 'Wed, 20 Dec 2023 10:00:00 GMT',
'Digest' => digest_header,
'Signature' => signature_header,
}
expect(response).to have_http_status(200)
expect(body_as_json).to match(
signed_request: true,
signature_actor_id: actor.id.to_s
)
end
end
context 'when the Digest of a POST request is not signed' do
let(:digest_header) { 'SHA-256=ZOyIygCyaOW6GjVnihtTFtIS9PNmskdyMlNKiuyjfzw=' }
let(:signature_header) do
'keyId="https://remote.domain/users/bob#main-key",algorithm="rsa-sha256",headers="host date (request-target)",signature="CPD704CG8aCm8X8qIP8kkkiGp1qwFLk/wMVQHOGP0Txxan8c2DZtg/KK7eN8RG8tHx8br/yS2hJs51x4kXImYukGzNJd7ihE3T8lp+9RI1tCcdobTzr/VcVJHDFySdQkg266GCMijRQRZfNvqlJLiisr817PI+gNVBI5qV+vnVd1XhWCEZ+YSmMe8UqYARXAYNqMykTheojqGpTeTFGPUpTQA2Fmt2BipwIjcFDm2Hpihl2kB0MUS0x3zPmHDuadvzoBbN6m3usPDLgYrpALlh+wDs1dYMntcwdwawRKY1oE1XNtgOSum12wntDq3uYL4gya2iPdcw3c929b4koUzw=="' # rubocop:disable Layout/LineLength
end
it 'fails to verify signature', :aggregate_failures do
expect(digest_header).to eq digest_value('Hello world')
expect(signature_header).to eq build_signature_string(actor_keypair, 'https://remote.domain/users/bob#main-key', 'post /activitypub/success', { 'Host' => 'www.example.com', 'Date' => 'Wed, 20 Dec 2023 10:00:00 GMT' })
post '/activitypub/success', params: 'Hello world', headers: {
'Host' => 'www.example.com',
'Date' => 'Wed, 20 Dec 2023 10:00:00 GMT',
'Digest' => digest_header,
'Signature' => signature_header,
}
expect(body_as_json).to match(
signed_request: true,
signature_actor_id: nil,
error: 'Mastodon requires the Digest header to be signed when doing a POST request'
)
end
end
context 'with a tampered body on a POST request' do
let(:digest_header) { 'SHA-256=ZOyIygCyaOW6GjVnihtTFtIS9PNmskdyMlNKiuyjfzw=' }
let(:signature_header) do
'keyId="https://remote.domain/users/bob#main-key",algorithm="rsa-sha256",headers="host date digest (request-target)",signature="gmhMjgMROGElJU3fpehV2acD5kMHeELi8EFP2UPHOdQ54H0r55AxIpji+J3lPe+N2qSb/4H1KXIh6f0lRu8TGSsu12OQmg5hiO8VA9flcA/mh9Lpk+qwlQZIPRqKP9xUEfqD+Z7ti5wPzDKrWAUK/7FIqWgcT/mlqB1R1MGkpMFc/q4CIs2OSNiWgA4K+Kp21oQxzC2kUuYob04gAZ7cyE/FTia5t08uv6lVYFdRsn4XNPn1MsHgFBwBMRG79ng3SyhoG4PrqBEi5q2IdLq3zfre/M6He3wlCpyO2VJNdGVoTIzeZ0Zz8jUscPV3XtWUchpGclLGSaKaq/JyNZeiYQ=="' # rubocop:disable Layout/LineLength
end
it 'fails to verify signature', :aggregate_failures do
expect(digest_header).to_not eq digest_value('Hello world!')
expect(signature_header).to eq build_signature_string(actor_keypair, 'https://remote.domain/users/bob#main-key', 'post /activitypub/success', { 'Host' => 'www.example.com', 'Date' => 'Wed, 20 Dec 2023 10:00:00 GMT', 'Digest' => digest_header })
post '/activitypub/success', params: 'Hello world!', headers: {
'Host' => 'www.example.com',
'Date' => 'Wed, 20 Dec 2023 10:00:00 GMT',
'Digest' => 'SHA-256=ZOyIygCyaOW6GjVnihtTFtIS9PNmskdyMlNKiuyjfzw=',
'Signature' => signature_header,
}
expect(body_as_json).to match(
signed_request: true,
signature_actor_id: nil,
error: 'Invalid Digest value. Computed SHA-256 digest: wFNeS+K3n/2TKRMFQ2v4iTFOSj+uwF7P/Lt98xrZ5Ro=; given: ZOyIygCyaOW6GjVnihtTFtIS9PNmskdyMlNKiuyjfzw='
)
end
end
context 'with a tampered path in a POST request' do
it 'fails to verify signature', :aggregate_failures do
post '/activitypub/alternative-path', params: 'Hello world', headers: {
'Host' => 'www.example.com',
'Date' => 'Wed, 20 Dec 2023 10:00:00 GMT',
'Digest' => 'SHA-256=ZOyIygCyaOW6GjVnihtTFtIS9PNmskdyMlNKiuyjfzw=',
'Signature' => 'keyId="https://remote.domain/users/bob#main-key",algorithm="rsa-sha256",headers="host date digest (request-target)",signature="gmhMjgMROGElJU3fpehV2acD5kMHeELi8EFP2UPHOdQ54H0r55AxIpji+J3lPe+N2qSb/4H1KXIh6f0lRu8TGSsu12OQmg5hiO8VA9flcA/mh9Lpk+qwlQZIPRqKP9xUEfqD+Z7ti5wPzDKrWAUK/7FIqWgcT/mlqB1R1MGkpMFc/q4CIs2OSNiWgA4K+Kp21oQxzC2kUuYob04gAZ7cyE/FTia5t08uv6lVYFdRsn4XNPn1MsHgFBwBMRG79ng3SyhoG4PrqBEi5q2IdLq3zfre/M6He3wlCpyO2VJNdGVoTIzeZ0Zz8jUscPV3XtWUchpGclLGSaKaq/JyNZeiYQ=="', # rubocop:disable Layout/LineLength
}
expect(response).to have_http_status(200)
expect(body_as_json).to match(
signed_request: true,
signature_actor_id: nil,
error: anything
)
end
end
end
context 'with an inaccessible key' do
before do
stub_request(:get, 'https://remote.domain/users/alice#main-key').to_return(status: 404)
end
it 'fails to verify signature', :aggregate_failures do
get '/activitypub/success', headers: {
'Host' => 'www.example.com',
'Date' => 'Wed, 20 Dec 2023 10:00:00 GMT',
'Signature' => 'keyId="https://remote.domain/users/alice#main-key",algorithm="rsa-sha256",headers="date host (request-target)",signature="Z8ilar3J7bOwqZkMp7sL8sRs4B1FT+UorbmvWoE+A5UeoOJ3KBcUmbsh+k3wQwbP5gMNUrra9rEWabpasZGphLsbDxfbsWL3Cf0PllAc7c1c7AFEwnewtExI83/qqgEkfWc2z7UDutXc2NfgAx89Ox8DXU/fA2GG0jILjB6UpFyNugkY9rg6oI31UnvfVi3R7sr3/x8Ea3I9thPvqI2byF6cojknSpDAwYzeKdngX3TAQEGzFHz3SDWwyp3jeMWfwvVVbM38FxhvAnSumw7YwWW4L7M7h4M68isLimoT3yfCn2ucBVL5Dz8koBpYf/40w7QidClAwCafZQFC29yDOg=="', # rubocop:disable Layout/LineLength
}
expect(body_as_json).to match(
signed_request: true,
signature_actor_id: nil,
error: 'Unable to fetch key JSON at https://remote.domain/users/alice#main-key'
)
end
end
private
def stub_tests_controller
stub_const('ActivityPub::TestsController', activitypub_tests_controller)
Rails.application.routes.draw do
# NOTE: RouteSet#draw removes all routes, so we need to re-insert one
resource :instance_actor, path: 'actor', only: [:show]
match :via => [:get, :post], '/activitypub/success' => 'activitypub/tests#success'
match :via => [:get, :post], '/activitypub/alternative-path' => 'activitypub/tests#alternative_success'
match :via => [:get, :post], '/activitypub/signature_required' => 'activitypub/tests#signature_required'
end
end
def activitypub_tests_controller
Class.new(ApplicationController) do
include SignatureVerification
before_action :require_actor_signature!, only: [:signature_required]
def success
render json: {
signed_request: signed_request?,
signature_actor_id: signed_request_actor&.id&.to_s,
}.merge(signature_verification_failure_reason || {})
end
alias_method :alternative_success, :success
alias_method :signature_required, :success
end
end
def digest_value(body)
"SHA-256=#{Digest::SHA256.base64digest(body)}"
end
def build_signature_string(keypair, key_id, request_target, headers)
algorithm = 'rsa-sha256'
signed_headers = headers.merge({ '(request-target)' => request_target })
signed_string = signed_headers.map { |key, value| "#{key.downcase}: #{value}" }.join("\n")
signature = Base64.strict_encode64(keypair.sign(OpenSSL::Digest.new('SHA256'), signed_string))
"keyId=\"#{key_id}\",algorithm=\"#{algorithm}\",headers=\"#{signed_headers.keys.join(' ').downcase}\",signature=\"#{signature}\""
end
end

30
spec/services/activitypub/fetch_featured_collection_service_spec.rb
View file

@ -97,6 +97,21 @@ RSpec.describe ActivityPub::FetchFeaturedCollectionService, type: :service do
end
it_behaves_like 'sets pinned posts'
context 'when there is a single item, with the array compacted away' do
let(:items) { 'https://example.com/account/pinned/4' }
before do
stub_request(:get, 'https://example.com/account/pinned/4').to_return(status: 200, body: Oj.dump(status_json_4))
subject.call(actor, note: true, hashtag: false)
end
it 'sets expected posts as pinned posts' do
expect(actor.pinned_statuses.pluck(:uri)).to contain_exactly(
'https://example.com/account/pinned/4'
)
end
end
end
context 'when the endpoint is a paginated Collection' do
@ -118,6 +133,21 @@ RSpec.describe ActivityPub::FetchFeaturedCollectionService, type: :service do
end
it_behaves_like 'sets pinned posts'
context 'when there is a single item, with the array compacted away' do
let(:items) { 'https://example.com/account/pinned/4' }
before do
stub_request(:get, 'https://example.com/account/pinned/4').to_return(status: 200, body: Oj.dump(status_json_4))
subject.call(actor, note: true, hashtag: false)
end
it 'sets expected posts as pinned posts' do
expect(actor.pinned_statuses.pluck(:uri)).to contain_exactly(
'https://example.com/account/pinned/4'
)
end
end
end
end
end

12
spec/services/activitypub/fetch_replies_service_spec.rb
View file

@ -32,6 +32,18 @@ RSpec.describe ActivityPub::FetchRepliesService, type: :service do
describe '#call' do
context 'when the payload is a Collection with inlined replies' do
context 'when there is a single reply, with the array compacted away' do
let(:items) { 'http://example.com/self-reply-1' }
it 'queues the expected worker' do
allow(FetchReplyWorker).to receive(:push_bulk)
subject.call(status, payload)
expect(FetchReplyWorker).to have_received(:push_bulk).with(['http://example.com/self-reply-1'])
end
end
context 'when passing the collection itself' do
it 'spawns workers for up to 5 replies on the same server' do
expect(FetchReplyWorker).to receive(:push_bulk).with(['http://example.com/self-reply-1', 'http://example.com/self-reply-2', 'http://example.com/self-reply-3', 'http://example.com/self-reply-4', 'http://example.com/self-reply-5'])

4
spec/services/reblog_service_spec.rb
View file

@ -69,9 +69,5 @@ RSpec.describe ReblogService, type: :service do
it 'distributes to followers' do
expect(ActivityPub::DistributionWorker).to have_received(:perform_async)
end
it 'sends an announce activity to the author' do
expect(a_request(:post, bob.inbox_url)).to have_been_made.once
end
end
end

18
spec/services/remove_status_service_spec.rb
View file

@ -108,4 +108,22 @@ RSpec.describe RemoveStatusService, type: :service do
)).to have_been_made.once
end
end
context 'when removed status is a reblog of a non-follower' do
let!(:original_status) { Fabricate(:status, account: bill, text: 'Hello ThisIsASecret', visibility: :public) }
let!(:status) { ReblogService.new.call(alice, original_status) }
it 'sends Undo activity to followers' do
subject.call(status)
expect(a_request(:post, bill.inbox_url).with(
body: hash_including({
'type' => 'Undo',
'object' => hash_including({
'type' => 'Announce',
'object' => ActivityPub::TagManager.instance.uri_for(original_status),
}),
})
)).to have_been_made.once
end
end
end