diff --git a/app/controllers/admin/settings/others_controller.rb b/app/controllers/admin/settings/others_controller.rb new file mode 100644 index 000000000..113d0c84f --- /dev/null +++ b/app/controllers/admin/settings/others_controller.rb @@ -0,0 +1,9 @@ +# frozen_string_literal: true + +class Admin::Settings::OthersController < Admin::SettingsController + private + + def after_update_redirect_path + admin_settings_others_path + end +end diff --git a/app/lib/activitypub/activity/create.rb b/app/lib/activitypub/activity/create.rb index bd32838ec..b8c05bd12 100644 --- a/app/lib/activitypub/activity/create.rb +++ b/app/lib/activitypub/activity/create.rb @@ -44,8 +44,12 @@ def message_franking ) end + def reject_pattern? + Setting.reject_pattern.present? && @object['content']&.match?(Setting.reject_pattern) + end + def create_status - return reject_payload! if unsupported_object_type? || invalid_origin?(object_uri) || tombstone_exists? || !related_to_local_activity? + return reject_payload! if unsupported_object_type? || invalid_origin?(object_uri) || tombstone_exists? || !related_to_local_activity? || reject_pattern? with_lock("create:#{object_uri}") do return if delete_arrived_first?(object_uri) || poll_vote? diff --git a/app/models/form/admin_settings.rb b/app/models/form/admin_settings.rb index a1dc766f0..0741ef421 100644 --- a/app/models/form/admin_settings.rb +++ b/app/models/form/admin_settings.rb @@ -34,6 +34,8 @@ class Form::AdminSettings backups_retention_period status_page_url captcha_enabled + authorized_fetch + reject_pattern ).freeze INTEGER_KEYS = %i( @@ -71,6 +73,7 @@ class Form::AdminSettings validates :show_domain_blocks_rationale, inclusion: { in: %w(disabled users all) }, if: -> { defined?(@show_domain_blocks_rationale) } validates :media_cache_retention_period, :content_cache_retention_period, :backups_retention_period, numericality: { only_integer: true }, allow_blank: true, if: -> { defined?(@media_cache_retention_period) || defined?(@content_cache_retention_period) || defined?(@backups_retention_period) } validates :site_short_description, length: { maximum: 200 }, if: -> { defined?(@site_short_description) } + validates :reject_pattern, regexp_syntax: true, if: -> { defined?(@reject_pattern) } validates :status_page_url, url: true, allow_blank: true validate :validate_site_uploads diff --git a/app/validators/regexp_syntax_validator.rb b/app/validators/regexp_syntax_validator.rb new file mode 100644 index 000000000..57ecf882c --- /dev/null +++ b/app/validators/regexp_syntax_validator.rb @@ -0,0 +1,13 @@ +# frozen_string_literal: true + +class RegexpSyntaxValidator < ActiveModel::EachValidator + def validate_each(record, attribute, value) + return if value.blank? + + begin + Regexp.compile(value) + rescue RegexpError => e + record.errors.add(attribute, I18n.t('applications.invalid_regexp', message: e.message)) + end + end +end diff --git a/app/views/admin/settings/others/show.html.haml b/app/views/admin/settings/others/show.html.haml new file mode 100644 index 000000000..06dcf2bf8 --- /dev/null +++ b/app/views/admin/settings/others/show.html.haml @@ -0,0 +1,19 @@ +- content_for :page_title do + = t('admin.settings.others.title') + +- content_for :heading do + %h2= t('admin.settings.title') + = render partial: 'admin/settings/shared/links' + += simple_form_for @admin_settings, url: admin_settings_others_path, html: { method: :patch } do |f| + = render 'shared/error_messages', object: @admin_settings + + %p.lead= t('admin.settings.others.preamble') + + %h4= t('admin.settings.others.activitypub') + + .fields-group + = f.input :reject_pattern, wrapper: :with_block_label, as: :text, label: t('admin.settings.reject_pattern.title'), hint: t('admin.settings.reject_pattern.desc_html'), input_html: { rows: 8 } + + .actions + = f.button :button, t('generic.save_changes'), type: :submit diff --git a/config/locales/en.yml b/config/locales/en.yml index c844b5489..24e2f16e4 100644 --- a/config/locales/en.yml +++ b/config/locales/en.yml @@ -747,6 +747,10 @@ en: all: To everyone disabled: To no one users: To logged-in local users + others: + activitypub: ActivityPub + preamble: Other settings, including customizing behavior + title: Other settings registrations: preamble: Control who can create an account on your server. title: Registrations @@ -755,7 +759,15 @@ en: approved: Approval required for sign up none: Nobody can sign up open: Anyone can sign up - title: Server Settings + reject_pattern: + desc_html: Set a regular expression pattern to inspect Create Activity content, and refuse Activity if you match + title: Reject Pattern + security: + authorized_fetch: Require authentication from federated servers + authorized_fetch_hint: Requiring authentication from federated servers enables stricter enforcement of both user-level and server-level blocks. However, this comes at the cost of a performance penalty, reduces the reach of your replies, and may introduce compatibility issues with some federated services. In addition, this will not prevent dedicated actors from fetching your public posts and accounts. + authorized_fetch_overridden_hint: You are currently unable to change this setting because it is overridden by an environment variable. + federation_authentication: Federation authentication enforcement + title: Server settings site_uploads: delete: Delete uploaded file destroyed_msg: Site upload successfully deleted! @@ -967,6 +979,8 @@ en: applications: created: Application successfully created destroyed: Application successfully deleted + invalid_regexp: "The provided Regexp is invalid: %{message}" + logout: Logout regenerate_token: Regenerate access token token_regenerated: Access token successfully regenerated warning: Be very careful with this data. Never share it with anyone! diff --git a/config/settings.yml b/config/settings.yml index d97178d3d..d378377e3 100644 --- a/config/settings.yml +++ b/config/settings.yml @@ -73,6 +73,7 @@ defaults: &defaults require_invite_text: false backups_retention_period: 7 captcha_enabled: false + reject_pattern: '' development: <<: *defaults