Merge commit '954b470fbce3fbe4b9b42992b03425fa24d6a2ad' into glitch-soc/merge-upstream

Conflicts:
- `config/navigation.rb`:
  Upstream added a navigation item while glitch-soc had an additional one.
  Ported upstream changes.

app/controllers/severed_relationships_controller.rb

@@ -0,0 +1,61 @@
+# frozen_string_literal: true
+
+class SeveredRelationshipsController < ApplicationController
+  layout 'admin'
+
+  before_action :authenticate_user!
+  before_action :set_body_classes
+  before_action :set_cache_headers
+
+  before_action :set_event, only: [:following, :followers]
+
+  def index
+    @events = AccountRelationshipSeveranceEvent.where(account: current_account)
+  end
+
+  def following
+    respond_to do |format|
+      format.csv { send_data following_data, filename: "following-#{@event.target_name}-#{@event.created_at.to_date.iso8601}.csv" }
+    end
+  end
+
+  def followers
+    respond_to do |format|
+      format.csv { send_data followers_data, filename: "followers-#{@event.target_name}-#{@event.created_at.to_date.iso8601}.csv" }
+    end
+  end
+
+  private
+
+  def set_event
+    @event = AccountRelationshipSeveranceEvent.find(params[:id])
+  end
+
+  def following_data
+    CSV.generate(headers: ['Account address', 'Show boosts', 'Notify on new posts', 'Languages'], write_headers: true) do |csv|
+      @event.severed_relationships.active.where(local_account: current_account).includes(:remote_account).reorder(id: :desc).each do |follow|
+        csv << [acct(follow.target_account), follow.show_reblogs, follow.notify, follow.languages&.join(', ')]
+      end
+    end
+  end
+
+  def followers_data
+    CSV.generate(headers: ['Account address'], write_headers: true) do |csv|
+      @event.severed_relationships.passive.where(local_account: current_account).includes(:remote_account).reorder(id: :desc).each do |follow|
+        csv << [acct(follow.account)]
+      end
+    end
+  end
+
+  def acct(account)
+    account.local? ? account.local_username_and_domain : account.acct
+  end
+
+  def set_body_classes
+    @body_classes = 'admin'
+  end
+
+  def set_cache_headers
+    response.cache_control.replace(private: true, no_store: true)
+  end
+end

app/javascript/mastodon/features/notifications/components/notification.jsx

@@ -14,6 +14,7 @@ import EditIcon from '@/material-icons/400-24px/edit.svg?react';
 import FlagIcon from '@/material-icons/400-24px/flag-fill.svg?react';
 import HomeIcon from '@/material-icons/400-24px/home-fill.svg?react';
 import InsertChartIcon from '@/material-icons/400-24px/insert_chart.svg?react';
+import LinkOffIcon from '@/material-icons/400-24px/link_off.svg?react';
 import PersonIcon from '@/material-icons/400-24px/person-fill.svg?react';
 import PersonAddIcon from '@/material-icons/400-24px/person_add-fill.svg?react';
 import RepeatIcon from '@/material-icons/400-24px/repeat.svg?react';
@@ -26,6 +27,7 @@ import { WithRouterPropTypes } from 'mastodon/utils/react_router';
 
 import FollowRequestContainer from '../containers/follow_request_container';
 
+import RelationshipsSeveranceEvent from './relationships_severance_event';
 import Report from './report';
 
 const messages = defineMessages({
@@ -36,6 +38,7 @@ const messages = defineMessages({
   reblog: { id: 'notification.reblog', defaultMessage: '{name} boosted your status' },
   status: { id: 'notification.status', defaultMessage: '{name} just posted' },
   update: { id: 'notification.update', defaultMessage: '{name} edited a post' },
+  severedRelationships: { id: 'notification.severed_relationships', defaultMessage: 'Relationships with {name} severed' },
   adminSignUp: { id: 'notification.admin.sign_up', defaultMessage: '{name} signed up' },
   adminReport: { id: 'notification.admin.report', defaultMessage: '{name} reported {target}' },
 });
@@ -358,6 +361,30 @@ class Notification extends ImmutablePureComponent {
     );
   }
 
+  renderRelationshipsSevered (notification) {
+    const { intl, unread } = this.props;
+
+    if (!notification.get('event')) {
+      return null;
+    }
+
+    return (
+      <HotKeys handlers={this.getHandlers()}>
+        <div className={classNames('notification notification-severed-relationships focusable', { unread })} tabIndex={0} aria-label={notificationForScreenReader(intl, intl.formatMessage(messages.adminReport, { name: notification.getIn(['event', 'target_name']) }), notification.get('created_at'))}>
+          <div className='notification__message'>
+            <Icon id='unlink' icon={LinkOffIcon} />
+
+            <span title={notification.get('created_at')}>
+              <FormattedMessage id='notification.severedRelationships' defaultMessage='Relationships with {name} severed' values={{ name: notification.getIn(['event', 'target_name']) }} />
+            </span>
+          </div>
+
+          <RelationshipsSeveranceEvent event={notification.get('event')} />
+        </div>
+      </HotKeys>
+    );
+  }
+
   renderAdminSignUp (notification, account, link) {
     const { intl, unread } = this.props;
 
@@ -429,6 +456,8 @@ class Notification extends ImmutablePureComponent {
       return this.renderUpdate(notification, link);
     case 'poll':
       return this.renderPoll(notification, account);
+    case 'severed_relationships':
+      return this.renderRelationshipsSevered(notification);
     case 'admin.sign_up':
       return this.renderAdminSignUp(notification, account, link);
     case 'admin.report':

app/javascript/mastodon/features/notifications/components/relationships_severance_event.jsx

@@ -0,0 +1,61 @@
+import PropTypes from 'prop-types';
+
+import { defineMessages, FormattedMessage, useIntl } from 'react-intl';
+
+import ImmutablePropTypes from 'react-immutable-proptypes';
+
+import { RelativeTimestamp } from 'mastodon/components/relative_timestamp';
+
+// This needs to be kept in sync with app/models/relationship_severance_event.rb
+const messages = defineMessages({
+  account_suspension: { id: 'relationship_severance_notification.types.account_suspension', defaultMessage: 'Account has been suspended' },
+  domain_block: { id: 'relationship_severance_notification.types.domain_block', defaultMessage: 'Domain has been suspended' },
+  user_domain_block: { id: 'relationship_severance_notification.types.user_domain_block', defaultMessage: 'You blocked this domain' },
+});
+
+const RelationshipsSeveranceEvent = ({ event, hidden }) => {
+  const intl = useIntl();
+
+  if (hidden || !event) {
+    return null;
+  }
+
+  return (
+    <div className='notification__report'>
+      <div className='notification__report__details'>
+        <div>
+          <RelativeTimestamp timestamp={event.get('created_at')} short={false} />
+          {' · '}
+          { event.get('purged') ? (
+            <FormattedMessage
+              id='relationship_severance_notification.purged_data'
+              defaultMessage='purged by administrators'
+            />
+          ) : (
+            <FormattedMessage
+              id='relationship_severance_notification.relationships'
+              defaultMessage='{count, plural, one {# relationship} other {# relationships}}'
+              values={{ count: event.get('relationships_count', 0) }}
+            />
+          )}
+          <br />
+          <strong>{intl.formatMessage(messages[event.get('type')])}</strong>
+        </div>
+
+        <div className='notification__report__actions'>
+          <a href='/severed_relationships' className='button' target='_blank' rel='noopener noreferrer'>
+            <FormattedMessage id='relationship_severance_notification.view' defaultMessage='View' />
+          </a>
+        </div>
+      </div>
+    </div>
+  );
+
+};
+
+RelationshipsSeveranceEvent.propTypes = {
+  event: ImmutablePropTypes.map.isRequired,
+  hidden: PropTypes.bool,
+};
+
+export default RelationshipsSeveranceEvent;

app/javascript/mastodon/locales/en.json

@@ -471,6 +471,8 @@
   "notification.own_poll": "Your poll has ended",
   "notification.poll": "A poll you have voted in has ended",
   "notification.reblog": "{name} boosted your post",
+  "notification.severedRelationships": "Relationships with {name} severed",
+  "notification.severed_relationships": "Relationships with {name} severed",
   "notification.status": "{name} just posted",
   "notification.update": "{name} edited a post",
   "notification_requests.accept": "Accept",
@@ -587,6 +589,12 @@
   "refresh": "Refresh",
   "regeneration_indicator.label": "Loading…",
   "regeneration_indicator.sublabel": "Your home feed is being prepared!",
+  "relationship_severance_notification.purged_data": "purged by administrators",
+  "relationship_severance_notification.relationships": "{count, plural, one {# relationship} other {# relationships}}",
+  "relationship_severance_notification.types.account_suspension": "Account has been suspended",
+  "relationship_severance_notification.types.domain_block": "Domain has been suspended",
+  "relationship_severance_notification.types.user_domain_block": "You blocked this domain",
+  "relationship_severance_notification.view": "View",
   "relative_time.days": "{number}d",
   "relative_time.full.days": "{number, plural, one {# day} other {# days}} ago",
   "relative_time.full.hours": "{number, plural, one {# hour} other {# hours}} ago",

app/javascript/mastodon/reducers/notifications.js

@@ -55,6 +55,7 @@ export const notificationToMap = notification => ImmutableMap({
   created_at: notification.created_at,
   status: notification.status ? notification.status.id : null,
   report: notification.report ? fromJS(notification.report) : null,
+  event: notification.event ? fromJS(notification.event) : null,
 });
 
 const normalizeNotification = (state, notification, usePendingItems) => {

app/javascript/material-icons/400-24px/link_off-fill.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" height="24" viewBox="0 -960 960 960" width="24"><path d="m770-302-60-62q40-11 65-42.5t25-73.5q0-50-35-85t-85-35H520v-80h160q83 0 141.5 58.5T880-480q0 57-29.5 105T770-302ZM634-440l-80-80h86v80h-6ZM792-56 56-792l56-56 736 736-56 56ZM440-280H280q-83 0-141.5-58.5T80-480q0-69 42-123t108-71l74 74h-24q-50 0-85 35t-35 85q0 50 35 85t85 35h160v80ZM320-440v-80h65l79 80H320Z"/></svg>

app/javascript/material-icons/400-24px/link_off.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" height="24" viewBox="0 -960 960 960" width="24"><path d="m770-302-60-62q40-11 65-42.5t25-73.5q0-50-35-85t-85-35H520v-80h160q83 0 141.5 58.5T880-480q0 57-29.5 105T770-302ZM634-440l-80-80h86v80h-6ZM792-56 56-792l56-56 736 736-56 56ZM440-280H280q-83 0-141.5-58.5T80-480q0-69 42-123t108-71l74 74h-24q-50 0-85 35t-35 85q0 50 35 85t85 35h160v80ZM320-440v-80h65l79 80H320Z"/></svg>

app/models/account_relationship_severance_event.rb

@@ -0,0 +1,28 @@
+# frozen_string_literal: true
+
+#
+# == Schema Information
+#
+# Table name: account_relationship_severance_events
+#
+#  id                              :bigint(8)        not null, primary key
+#  account_id                      :bigint(8)        not null
+#  relationship_severance_event_id :bigint(8)        not null
+#  relationships_count             :integer          default(0), not null
+#  created_at                      :datetime         not null
+#  updated_at                      :datetime         not null
+#
+class AccountRelationshipSeveranceEvent < ApplicationRecord
+  belongs_to :account
+  belongs_to :relationship_severance_event
+
+  delegate :severed_relationships, :type, :target_name, :purged, to: :relationship_severance_event, prefix: false
+
+  before_create :set_relationships_count!
+
+  private
+
+  def set_relationships_count!
+    self.relationships_count = severed_relationships.where(local_account: account).count
+  end
+end

app/models/concerns/account/interactions.rb

@@ -83,6 +83,11 @@ module Account::Interactions
     has_many :following, -> { order('follows.id desc') }, through: :active_relationships,  source: :target_account
     has_many :followers, -> { order('follows.id desc') }, through: :passive_relationships, source: :account
 
+    with_options class_name: 'SeveredRelationship', dependent: :destroy do
+      has_many :severed_relationships, foreign_key: 'local_account_id', inverse_of: :local_account
+      has_many :remote_severed_relationships, foreign_key: 'remote_account_id', inverse_of: :remote_account
+    end
+
     # Account notes
     has_many :account_notes, dependent: :destroy
 

app/models/concerns/account/merging.rb

@@ -48,6 +48,18 @@ module Account::Merging
       record.update_attribute(:account_warning_id, id)
     end
 
+    SeveredRelationship.where(local_account_id: other_account.id).reorder(nil).find_each do |record|
+      record.update_attribute(:local_account_id, id)
+    rescue ActiveRecord::RecordNotUnique
+      next
+    end
+
+    SeveredRelationship.where(remote_account_id: other_account.id).reorder(nil).find_each do |record|
+      record.update_attribute(:remote_account_id, id)
+    rescue ActiveRecord::RecordNotUnique
+      next
+    end
+
     # Some follow relationships have moved, so the cache is stale
     Rails.cache.delete_matched("followers_hash:#{id}:*")
     Rails.cache.delete_matched("relationships:#{id}:*")

app/models/notification.rb

@@ -54,6 +54,9 @@ class Notification < ApplicationRecord
     update: {
       filterable: false,
     }.freeze,
+    severed_relationships: {
+      filterable: false,
+    }.freeze,
     'admin.sign_up': {
       filterable: false,
     }.freeze,
@@ -86,6 +89,7 @@ class Notification < ApplicationRecord
     belongs_to :favourite, inverse_of: :notification
     belongs_to :poll, inverse_of: false
     belongs_to :report, inverse_of: false
+    belongs_to :relationship_severance_event, inverse_of: false
   end
 
   validates :type, inclusion: { in: TYPES }
@@ -182,6 +186,11 @@ class Notification < ApplicationRecord
       self.from_account_id = activity&.status&.account_id
     when 'Account'
       self.from_account_id = activity&.id
+    when 'AccountRelationshipSeveranceEvent'
+      # These do not really have an originating account, but this is mandatory
+      # in the data model, and the recipient's account will by definition
+      # always exist
+      self.from_account_id = account_id
     end
   end
 

app/models/relationship_severance_event.rb

@@ -0,0 +1,56 @@
+# frozen_string_literal: true
+
+# == Schema Information
+#
+# Table name: relationship_severance_events
+#
+#  id          :bigint(8)        not null, primary key
+#  type        :integer          not null
+#  target_name :string           not null
+#  purged      :boolean          default(FALSE), not null
+#  created_at  :datetime         not null
+#  updated_at  :datetime         not null
+#
+class RelationshipSeveranceEvent < ApplicationRecord
+  self.inheritance_column = nil
+
+  has_many :severed_relationships, inverse_of: :relationship_severance_event, dependent: :delete_all
+
+  enum type: {
+    domain_block: 0,
+    user_domain_block: 1,
+    account_suspension: 2,
+  }
+
+  scope :about_local_account, ->(account) { where(id: SeveredRelationship.about_local_account(account).select(:relationship_severance_event_id)) }
+
+  def import_from_active_follows!(follows)
+    import_from_follows!(follows, true)
+  end
+
+  def import_from_passive_follows!(follows)
+    import_from_follows!(follows, false)
+  end
+
+  def affected_local_accounts
+    Account.where(id: severed_relationships.select(:local_account_id))
+  end
+
+  private
+
+  def import_from_follows!(follows, active)
+    SeveredRelationship.insert_all(
+      follows.pluck(:account_id, :target_account_id, :show_reblogs, :notify, :languages).map do |account_id, target_account_id, show_reblogs, notify, languages|
+        {
+          local_account_id: active ? account_id : target_account_id,
+          remote_account_id: active ? target_account_id : account_id,
+          show_reblogs: show_reblogs,
+          notify: notify,
+          languages: languages,
+          relationship_severance_event_id: id,
+          direction: active ? :active : :passive,
+        }
+      end
+    )
+  end
+end

app/models/severed_relationship.rb

@@ -0,0 +1,40 @@
+# frozen_string_literal: true
+
+# == Schema Information
+#
+# Table name: severed_relationships
+#
+#  id                              :bigint(8)        not null, primary key
+#  relationship_severance_event_id :bigint(8)        not null
+#  local_account_id                :bigint(8)        not null
+#  remote_account_id               :bigint(8)        not null
+#  direction                       :integer          not null
+#  show_reblogs                    :boolean
+#  notify                          :boolean
+#  languages                       :string           is an Array
+#  created_at                      :datetime         not null
+#  updated_at                      :datetime         not null
+#
+class SeveredRelationship < ApplicationRecord
+  belongs_to :relationship_severance_event
+  belongs_to :local_account, class_name: 'Account'
+  belongs_to :remote_account, class_name: 'Account'
+
+  enum direction: {
+    passive: 0, # analogous to `local_account.passive_relationships`
+    active: 1, # analogous to `local_account.active_relationships`
+  }
+
+  scope :about_local_account, ->(account) { where(local_account: account) }
+
+  scope :active, -> { where(direction: :active) }
+  scope :passive, -> { where(direction: :passive) }
+
+  def account
+    active? ? local_account : remote_account
+  end
+
+  def target_account
+    active? ? remote_account : local_account
+  end
+end

app/serializers/rest/account_relationship_severance_event_serializer.rb

@@ -0,0 +1,9 @@
+# frozen_string_literal: true
+
+class REST::AccountRelationshipSeveranceEventSerializer < ActiveModel::Serializer
+  attributes :id, :type, :purged, :target_name, :created_at
+
+  def id
+    object.id.to_s
+  end
+end

app/serializers/rest/notification_serializer.rb

@@ -6,6 +6,7 @@ class REST::NotificationSerializer < ActiveModel::Serializer
   belongs_to :from_account, key: :account, serializer: REST::AccountSerializer
   belongs_to :target_status, key: :status, if: :status_type?, serializer: REST::StatusSerializer
   belongs_to :report, if: :report_type?, serializer: REST::ReportSerializer
+  belongs_to :relationship_severance_event, key: :event, if: :relationship_severance_event?, serializer: REST::AccountRelationshipSeveranceEventSerializer
 
   def id
     object.id.to_s
@@ -18,4 +19,8 @@ class REST::NotificationSerializer < ActiveModel::Serializer
   def report_type?
     object.type == :'admin.report'
   end
+
+  def relationship_severance_event?
+    object.type == :severed_relationships
+  end
 end

app/services/after_block_domain_from_account_service.rb

@@ -9,18 +9,21 @@ class AfterBlockDomainFromAccountService < BaseService
   def call(account, domain)
     @account = account
     @domain  = domain
+    @domain_block_event = nil
 
     clear_notifications!
     remove_follows!
     reject_existing_followers!
     reject_pending_follow_requests!
+    notify_of_severed_relationships!
   end
 
   private
 
   def remove_follows!
-    @account.active_relationships.where(target_account: Account.where(domain: @domain)).includes(:target_account).reorder(nil).find_each do |follow|
-      UnfollowService.new.call(@account, follow.target_account)
+    @account.active_relationships.where(target_account: Account.where(domain: @domain)).includes(:target_account).reorder(nil).in_batches do |follows|
+      domain_block_event.import_from_active_follows!(follows)
+      follows.each { |follow| UnfollowService.new.call(@account, follow.target_account) }
     end
   end
 
@@ -29,8 +32,9 @@ class AfterBlockDomainFromAccountService < BaseService
   end
 
   def reject_existing_followers!
-    @account.passive_relationships.where(account: Account.where(domain: @domain)).includes(:account).reorder(nil).find_each do |follow|
-      reject_follow!(follow)
+    @account.passive_relationships.where(account: Account.where(domain: @domain)).includes(:account).reorder(nil).in_batches do |follows|
+      domain_block_event.import_from_passive_follows!(follows)
+      follows.each { |follow| reject_follow!(follow) }
     end
   end
 
@@ -47,4 +51,15 @@ class AfterBlockDomainFromAccountService < BaseService
 
     ActivityPub::DeliveryWorker.perform_async(Oj.dump(serialize_payload(follow, ActivityPub::RejectFollowSerializer)), @account.id, follow.account.inbox_url)
   end
+
+  def notify_of_severed_relationships!
+    return if @domain_block_event.nil?
+
+    event = AccountRelationshipSeveranceEvent.create!(account: @account, relationship_severance_event: @domain_block_event)
+    LocalNotificationWorker.perform_async(@account.id, event.id, 'AccountRelationshipSeveranceEvent', 'severed_relationships')
+  end
+
+  def domain_block_event
+    @domain_block_event ||= RelationshipSeveranceEvent.create!(type: :user_domain_block, target_name: @domain)
+  end
 end

app/services/block_domain_service.rb

@@ -5,8 +5,11 @@ class BlockDomainService < BaseService
 
   def call(domain_block, update = false)
     @domain_block = domain_block
+    @domain_block_event = nil
+
     process_domain_block!
     process_retroactive_updates! if update
+    notify_of_severed_relationships!
   end
 
   private
@@ -37,7 +40,17 @@ class BlockDomainService < BaseService
     blocked_domain_accounts.without_suspended.in_batches.update_all(suspended_at: @domain_block.created_at, suspension_origin: :local)
 
     blocked_domain_accounts.where(suspended_at: @domain_block.created_at).reorder(nil).find_each do |account|
-      DeleteAccountService.new.call(account, reserve_username: true, suspended_at: @domain_block.created_at)
+      DeleteAccountService.new.call(account, reserve_username: true, suspended_at: @domain_block.created_at, relationship_severance_event: domain_block_event)
+    end
+  end
+
+  def notify_of_severed_relationships!
+    return if @domain_block_event.nil?
+
+    # TODO: check how efficient that query is, also check `push_bulk`/`perform_bulk`
+    @domain_block_event.affected_local_accounts.reorder(nil).find_each do |account|
+      event = AccountRelationshipSeveranceEvent.create!(account: account, relationship_severance_event: @domain_block_event)
+      LocalNotificationWorker.perform_async(account.id, event.id, 'AccountRelationshipSeveranceEvent', 'severed_relationships')
     end
   end
 
@@ -45,6 +58,10 @@ class BlockDomainService < BaseService
     domain_block.domain
   end
 
+  def domain_block_event
+    @domain_block_event ||= RelationshipSeveranceEvent.create!(type: :domain_block, target_name: blocked_domain)
+  end
+
   def blocked_domain_accounts
     Account.by_domain_and_subdomains(blocked_domain)
   end

app/services/delete_account_service.rb

@@ -58,6 +58,8 @@ class DeleteAccountService < BaseService
     reports
     targeted_moderation_notes
     targeted_reports
+    severed_relationships
+    remote_severed_relationships
   ).freeze
 
   # Suspend or remove an account and remove as much of its data
@@ -72,6 +74,7 @@ class DeleteAccountService < BaseService
   # @option [Boolean] :skip_side_effects Side effects are ActivityPub and streaming API payloads
   # @option [Boolean] :skip_activitypub Skip sending ActivityPub payloads. Implied by :skip_side_effects
   # @option [Time]    :suspended_at Only applicable when :reserve_username is true
+  # @option [RelationshipSeveranceEvent] :relationship_severance_event Event used to record severed relationships not initiated by the user
   def call(account, **options)
     @account = account
     @options = { reserve_username: true, reserve_email: true }.merge(options)
@@ -84,6 +87,7 @@ class DeleteAccountService < BaseService
 
     @options[:skip_activitypub] = true if @options[:skip_side_effects]
 
+    record_severed_relationships!
     distribute_activities!
     purge_content!
     fulfill_deletion_request!
@@ -266,6 +270,20 @@ class DeleteAccountService < BaseService
     end
   end
 
+  def record_severed_relationships!
+    return if relationship_severance_event.nil?
+
+    @account.active_relationships.in_batches do |follows|
+      # NOTE: these follows are passive with regards to the local accounts
+      relationship_severance_event.import_from_passive_follows!(follows)
+    end
+
+    @account.passive_relationships.in_batches do |follows|
+      # NOTE: these follows are active with regards to the local accounts
+      relationship_severance_event.import_from_active_follows!(follows)
+    end
+  end
+
   def delete_actor_json
     @delete_actor_json ||= Oj.dump(serialize_payload(@account, ActivityPub::DeleteActorSerializer, signer: @account, always_sign: true))
   end
@@ -305,4 +323,8 @@ class DeleteAccountService < BaseService
   def skip_activitypub?
     @options[:skip_activitypub]
   end
+
+  def relationship_severance_event
+    @options[:relationship_severance_event]
+  end
 end

app/services/notify_service.rb

@@ -9,6 +9,8 @@ class NotifyService < BaseService
     update
     poll
     status
+    # TODO: this probably warrants an email notification
+    severed_relationships
   ).freeze
 
   class DismissCondition
@@ -20,7 +22,7 @@ class NotifyService < BaseService
 
     def dismiss?
       blocked   = @recipient.unavailable?
-      blocked ||= from_self? && @notification.type != :poll
+      blocked ||= from_self? && @notification.type != :poll && @notification.type != :severed_relationships
 
       return blocked if message? && from_staff?
 

app/services/purge_domain_service.rb

@@ -2,10 +2,26 @@
 
 class PurgeDomainService < BaseService
   def call(domain)
-    Account.remote.where(domain: domain).reorder(nil).find_each do |account|
-      DeleteAccountService.new.call(account, reserve_username: false, skip_side_effects: true)
-    end
-    CustomEmoji.remote.where(domain: domain).reorder(nil).find_each(&:destroy)
+    @domain = domain
+
+    purge_relationship_severance_events!
+    purge_accounts!
+    purge_emojis!
+
     Instance.refresh
   end
+
+  def purge_relationship_severance_events!
+    RelationshipSeveranceEvent.where(type: [:domain_block, :user_domain_block], target_name: @domain).in_batches.update_all(purged: true)
+  end
+
+  def purge_accounts!
+    Account.remote.where(domain: @domain).reorder(nil).find_each do |account|
+      DeleteAccountService.new.call(account, reserve_username: false, skip_side_effects: true)
+    end
+  end
+
+  def purge_emojis!
+    CustomEmoji.remote.where(domain: @domain).reorder(nil).find_each(&:destroy)
+  end
 end

app/services/suspend_account_service.rb

@@ -8,6 +8,7 @@ class SuspendAccountService < BaseService
   def call(account)
     return unless account.suspended?
 
+    @relationship_severance_event = nil
     @account = account
 
     reject_remote_follows!
@@ -15,6 +16,7 @@ class SuspendAccountService < BaseService
     unmerge_from_home_timelines!
     unmerge_from_list_timelines!
     privatize_media_attachments!
+    notify_of_severed_relationships!
   end
 
   private
@@ -36,6 +38,8 @@ class SuspendAccountService < BaseService
         [Oj.dump(serialize_payload(follow, ActivityPub::RejectFollowSerializer)), follow.target_account_id, @account.inbox_url]
       end
 
+      relationship_severance_event.import_from_passive_follows!(follows)
+
       follows.each(&:destroy)
     end
   end
@@ -101,7 +105,21 @@ class SuspendAccountService < BaseService
     end
   end
 
+  def notify_of_severed_relationships!
+    return if @relationship_severance_event.nil?
+
+    # TODO: check how efficient that query is, also check `push_bulk`/`perform_bulk`
+    @relationship_severance_event.affected_local_accounts.reorder(nil).find_each do |account|
+      event = AccountRelationshipSeveranceEvent.create!(account: account, relationship_severance_event: @relationship_severance_event)
+      LocalNotificationWorker.perform_async(account.id, event.id, 'AccountRelationshipSeveranceEvent', 'severed_relationships')
+    end
+  end
+
   def signed_activity_json
     @signed_activity_json ||= Oj.dump(serialize_payload(@account, ActivityPub::UpdateSerializer, signer: @account))
   end
+
+  def relationship_severance_event
+    @relationship_severance_event ||= RelationshipSeveranceEvent.create!(type: :account_suspension, target_name: @account.acct)
+  end
 end

app/views/severed_relationships/index.html.haml

@@ -0,0 +1,34 @@
+- content_for :page_title do
+  = t('settings.severed_relationships')
+
+%p.muted-hint= t('severed_relationships.preamble')
+
+- unless @events.empty?
+  .table-wrapper
+    %table.table
+      %thead
+        %tr
+          %th= t('exports.archive_takeout.date')
+          %th= t('severed_relationships.type')
+          %th= t('severed_relationships.lost_follows')
+          %th= t('severed_relationships.lost_followers')
+      %tbody
+        - @events.each do |event|
+          %tr
+            %td= l event.created_at
+            %td= t("severed_relationships.event_type.#{event.type}", target_name: event.target_name)
+            - if event.purged?
+              %td{ rowspan: 2 }= t('severed_relationships.purged')
+            - else
+              %td
+                - count = event.severed_relationships.active.where(local_account: current_account).count
+                - if count.zero?
+                  = t('generic.none')
+                - else
+                  = table_link_to 'download', t('severed_relationships.download', count: count), following_severed_relationship_path(event, format: :csv)
+              %td
+                - count = event.severed_relationships.passive.where(local_account: current_account).count
+                - if count.zero?
+                  = t('generic.none')
+                - else
+                  = table_link_to 'download', t('severed_relationships.download', count: count), followers_severed_relationship_path(event, format: :csv)

config/locales/en.yml

@@ -1660,10 +1660,22 @@ en:
     preferences: Preferences
     profile: Public profile
     relationships: Follows and followers
+    severed_relationships: Severed relationships
     statuses_cleanup: Automated post deletion
     strikes: Moderation strikes
     two_factor_authentication: Two-factor Auth
     webauthn_authentication: Security keys
+  severed_relationships:
+    download: Download (%{count})
+    event_type:
+      account_suspension: Account suspension (%{target_name})
+      domain_block: Server suspension (%{target_name})
+      user_domain_block: You blocked %{target_name}
+    lost_followers: Lost followers
+    lost_follows: Lost follows
+    preamble: You may lose follows and followers when you block a domain or when your moderators decide to suspend a remote server. When that happens, you will be able to download lists of severed relationships, to be inspected and possibly imported on another server.
+    purged: Information about this server has been purged by your server's administrators.
+    type: Event
   statuses:
     attached:
       audio:

config/navigation.rb

@@ -22,7 +22,11 @@ SimpleNavigation::Configuration.run do |navigation|
       end
     end
 
-    n.item :relationships, safe_join([fa_icon('users fw'), t('settings.relationships')]), relationships_path, if: -> { current_user.functional? && !self_destruct }
+    n.item :relationships, safe_join([fa_icon('users fw'), t('settings.relationships')]), relationships_path, if: -> { current_user.functional? && !self_destruct } do |s|
+      s.item :current, safe_join([fa_icon('users fw'), t('settings.relationships')]), relationships_path
+      s.item :severed_relationships, safe_join([fa_icon('unlink fw'), t('settings.severed_relationships')]), severed_relationships_path
+    end
+
     n.item :filters, safe_join([fa_icon('filter fw'), t('filters.index.title')]), filters_path, highlights_on: %r{/filters}, if: -> { current_user.functional? && !self_destruct }
     n.item :statuses_cleanup, safe_join([fa_icon('history fw'), t('settings.statuses_cleanup')]), statuses_cleanup_path, if: -> { current_user.functional_or_moved? && !self_destruct }
 

config/routes.rb

@@ -190,6 +190,14 @@ Rails.application.routes.draw do
   end
 
   resource :relationships, only: [:show, :update]
+  resources :severed_relationships, only: [:index] do
+    member do
+      constraints(format: :csv) do
+        get :followers
+        get :following
+      end
+    end
+  end
   resource :statuses_cleanup, controller: :statuses_cleanup, only: [:show, :update]
 
   get '/media_proxy/:id/(*any)', to: 'media_proxy#show', as: :media_proxy, format: false

db/migrate/20240312100644_create_relationship_severance_events.rb

@@ -0,0 +1,15 @@
+# frozen_string_literal: true
+
+class CreateRelationshipSeveranceEvents < ActiveRecord::Migration[7.0]
+  def change
+    create_table :relationship_severance_events do |t|
+      t.integer :type, null: false
+      t.string :target_name, null: false
+      t.boolean :purged, null: false, default: false
+
+      t.timestamps
+
+      t.index [:type, :target_name]
+    end
+  end
+end

db/migrate/20240312105620_create_severed_relationships.rb

@@ -0,0 +1,27 @@
+# frozen_string_literal: true
+
+class CreateSeveredRelationships < ActiveRecord::Migration[7.0]
+  def change
+    create_table :severed_relationships do |t|
+      # No need to have an index on this foreign key as it is covered by `index_severed_relationships_on_unique_tuples`
+      t.references :relationship_severance_event, null: false, foreign_key: { on_delete: :cascade }, index: false
+
+      # No need to have an index on this foregin key as it is covered by `index_severed_relationships_on_local_account_and_event`
+      t.references :local_account, null: false, foreign_key: { to_table: :accounts, on_delete: :cascade }, index: false
+      t.references :remote_account, null: false, foreign_key: { to_table: :accounts, on_delete: :cascade }
+
+      # Used to describe whether `local_account` is the active (follower) or passive (followed) part of the relationship
+      t.integer :direction, null: false
+
+      # Those attributes are carried over from the `follows` table
+      t.boolean :show_reblogs
+      t.boolean :notify
+      t.string :languages, array: true
+
+      t.timestamps
+
+      t.index [:relationship_severance_event_id, :local_account_id, :direction, :remote_account_id], name: 'index_severed_relationships_on_unique_tuples', unique: true
+      t.index [:local_account_id, :relationship_severance_event_id], name: 'index_severed_relationships_on_local_account_and_event'
+    end
+  end
+end

db/migrate/20240320140159_create_account_relationship_severance_events.rb

@@ -0,0 +1,16 @@
+# frozen_string_literal: true
+
+class CreateAccountRelationshipSeveranceEvents < ActiveRecord::Migration[7.1]
+  def change
+    create_table :account_relationship_severance_events do |t|
+      t.belongs_to :account, foreign_key: { on_delete: :cascade }, null: false
+      t.belongs_to :relationship_severance_event, foreign_key: { on_delete: :cascade }, null: false
+
+      t.integer :relationships_count, default: 0, null: false
+
+      t.index [:account_id, :relationship_severance_event_id], unique: true
+
+      t.timestamps
+    end
+  end
+end

db/schema.rb

@@ -90,6 +90,17 @@ ActiveRecord::Schema[7.1].define(version: 2024_03_20_163441) do
     t.index ["target_account_id"], name: "index_account_pins_on_target_account_id"
   end
 
+  create_table "account_relationship_severance_events", force: :cascade do |t|
+    t.bigint "account_id", null: false
+    t.bigint "relationship_severance_event_id", null: false
+    t.integer "relationships_count", default: 0, null: false
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["account_id", "relationship_severance_event_id"], name: "idx_on_account_id_relationship_severance_event_id_7bd82bf20e", unique: true
+    t.index ["account_id"], name: "index_account_relationship_severance_events_on_account_id"
+    t.index ["relationship_severance_event_id"], name: "idx_on_relationship_severance_event_id_403f53e707"
+  end
+
   create_table "account_stats", force: :cascade do |t|
     t.bigint "account_id", null: false
     t.bigint "statuses_count", default: 0, null: false
@@ -871,6 +882,15 @@ ActiveRecord::Schema[7.1].define(version: 2024_03_20_163441) do
     t.string "url"
   end
 
+  create_table "relationship_severance_events", force: :cascade do |t|
+    t.integer "type", null: false
+    t.string "target_name", null: false
+    t.boolean "purged", default: false, null: false
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["type", "target_name"], name: "index_relationship_severance_events_on_type_and_target_name"
+  end
+
   create_table "relays", force: :cascade do |t|
     t.string "inbox_url", default: "", null: false
     t.string "follow_activity_id"
@@ -950,6 +970,21 @@ ActiveRecord::Schema[7.1].define(version: 2024_03_20_163441) do
     t.index ["thing_type", "thing_id", "var"], name: "index_settings_on_thing_type_and_thing_id_and_var", unique: true
   end
 
+  create_table "severed_relationships", force: :cascade do |t|
+    t.bigint "relationship_severance_event_id", null: false
+    t.bigint "local_account_id", null: false
+    t.bigint "remote_account_id", null: false
+    t.integer "direction", null: false
+    t.boolean "show_reblogs"
+    t.boolean "notify"
+    t.string "languages", array: true
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["local_account_id", "relationship_severance_event_id"], name: "index_severed_relationships_on_local_account_and_event"
+    t.index ["relationship_severance_event_id", "local_account_id", "direction", "remote_account_id"], name: "index_severed_relationships_on_unique_tuples", unique: true
+    t.index ["remote_account_id"], name: "index_severed_relationships_on_remote_account_id"
+  end
+
   create_table "site_uploads", force: :cascade do |t|
     t.string "var", default: "", null: false
     t.string "file_file_name"
@@ -1231,6 +1266,8 @@ ActiveRecord::Schema[7.1].define(version: 2024_03_20_163441) do
   add_foreign_key "account_notes", "accounts", on_delete: :cascade
   add_foreign_key "account_pins", "accounts", column: "target_account_id", on_delete: :cascade
   add_foreign_key "account_pins", "accounts", on_delete: :cascade
+  add_foreign_key "account_relationship_severance_events", "accounts", on_delete: :cascade
+  add_foreign_key "account_relationship_severance_events", "relationship_severance_events", on_delete: :cascade
   add_foreign_key "account_stats", "accounts", on_delete: :cascade
   add_foreign_key "account_statuses_cleanup_policies", "accounts", on_delete: :cascade
   add_foreign_key "account_warnings", "accounts", column: "target_account_id", on_delete: :cascade
@@ -1323,6 +1360,9 @@ ActiveRecord::Schema[7.1].define(version: 2024_03_20_163441) do
   add_foreign_key "scheduled_statuses", "accounts", on_delete: :cascade
   add_foreign_key "session_activations", "oauth_access_tokens", column: "access_token_id", name: "fk_957e5bda89", on_delete: :cascade
   add_foreign_key "session_activations", "users", name: "fk_e5fda67334", on_delete: :cascade
+  add_foreign_key "severed_relationships", "accounts", column: "local_account_id", on_delete: :cascade
+  add_foreign_key "severed_relationships", "accounts", column: "remote_account_id", on_delete: :cascade
+  add_foreign_key "severed_relationships", "relationship_severance_events", on_delete: :cascade
   add_foreign_key "status_edits", "accounts", on_delete: :nullify
   add_foreign_key "status_edits", "statuses", on_delete: :cascade
   add_foreign_key "status_pins", "accounts", name: "fk_d4cb435b62", on_delete: :cascade

lib/mastodon/cli/maintenance.rb

@@ -5,7 +5,7 @@ require_relative 'base'
 module Mastodon::CLI
   class Maintenance < Base
     MIN_SUPPORTED_VERSION = 2019_10_01_213028
-    MAX_SUPPORTED_VERSION = 2023_09_07_150100
+    MAX_SUPPORTED_VERSION = 2023_10_23_105620
 
     # Stubs to enjoy ActiveRecord queries while not depending on a particular
     # version of the code/database
@@ -39,6 +39,7 @@ module Mastodon::CLI
     class Webhook < ApplicationRecord; end
     class BulkImport < ApplicationRecord; end
     class SoftwareUpdate < ApplicationRecord; end
+    class SeveredRelationship < ApplicationRecord; end
 
     class DomainBlock < ApplicationRecord
       enum severity: { silence: 0, suspend: 1, noop: 2 }
@@ -129,6 +130,20 @@ module Mastodon::CLI
             record.update_attribute(:account_warning_id, id)
           end
         end
+
+        if ActiveRecord::Base.connection.table_exists?(:severed_relationships)
+          SeveredRelationship.where(local_account_id: other_account.id).reorder(nil).find_each do |record|
+            record.update_attribute(:local_account_id, id)
+          rescue ActiveRecord::RecordNotUnique
+            next
+          end
+
+          SeveredRelationship.where(remote_account_id: other_account.id).reorder(nil).find_each do |record|
+            record.update_attribute(:remote_account_id, id)
+          rescue ActiveRecord::RecordNotUnique
+            next
+          end
+        end
       end
     end
 

spec/fabricators/account_relationship_severance_event_fabricator.rb

@@ -0,0 +1,6 @@
+# frozen_string_literal: true
+
+Fabricator(:account_relationship_severance_event) do
+  account
+  relationship_severance_event
+end

spec/fabricators/relationship_severance_event_fabricator.rb

@@ -0,0 +1,6 @@
+# frozen_string_literal: true
+
+Fabricator(:relationship_severance_event) do
+  type { :domain_block }
+  target_name { 'example.com' }
+end

spec/fabricators/severed_relationship_fabricator.rb

@@ -0,0 +1,8 @@
+# frozen_string_literal: true
+
+Fabricator(:severed_relationship) do
+  local_account { Fabricate.build(:account) }
+  remote_account { Fabricate.build(:account) }
+  relationship_severance_event { Fabricate.build(:relationship_severance_event) }
+  direction { :active }
+end

spec/models/relationship_severance_event_spec.rb

@@ -0,0 +1,49 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+RSpec.describe RelationshipSeveranceEvent do
+  let(:local_account)  { Fabricate(:account) }
+  let(:remote_account) { Fabricate(:account, domain: 'example.com') }
+  let(:event)          { Fabricate(:relationship_severance_event) }
+
+  describe '#import_from_active_follows!' do
+    before do
+      local_account.follow!(remote_account)
+    end
+
+    it 'imports the follow relationships with the expected direction' do
+      event.import_from_active_follows!(local_account.active_relationships)
+
+      relationships = event.severed_relationships.to_a
+      expect(relationships.size).to eq 1
+      expect(relationships[0].account).to eq local_account
+      expect(relationships[0].target_account).to eq remote_account
+    end
+  end
+
+  describe '#import_from_passive_follows!' do
+    before do
+      remote_account.follow!(local_account)
+    end
+
+    it 'imports the follow relationships with the expected direction' do
+      event.import_from_passive_follows!(local_account.passive_relationships)
+
+      relationships = event.severed_relationships.to_a
+      expect(relationships.size).to eq 1
+      expect(relationships[0].account).to eq remote_account
+      expect(relationships[0].target_account).to eq local_account
+    end
+  end
+
+  describe '#affected_local_accounts' do
+    before do
+      event.severed_relationships.create!(local_account: local_account, remote_account: remote_account, direction: :active)
+    end
+
+    it 'correctly lists local accounts' do
+      expect(event.affected_local_accounts.to_a).to contain_exactly(local_account)
+    end
+  end
+end

spec/models/severed_relationship_spec.rb

@@ -0,0 +1,45 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+RSpec.describe SeveredRelationship do
+  let(:local_account)  { Fabricate(:account) }
+  let(:remote_account) { Fabricate(:account, domain: 'example.com') }
+  let(:event)          { Fabricate(:relationship_severance_event) }
+
+  describe '#account' do
+    context 'when the local account is the follower' do
+      let(:severed_relationship) { Fabricate(:severed_relationship, relationship_severance_event: event, local_account: local_account, remote_account: remote_account, direction: :active) }
+
+      it 'returns the local account' do
+        expect(severed_relationship.account).to eq local_account
+      end
+    end
+
+    context 'when the local account is being followed' do
+      let(:severed_relationship) { Fabricate(:severed_relationship, relationship_severance_event: event, local_account: local_account, remote_account: remote_account, direction: :passive) }
+
+      it 'returns the remote account' do
+        expect(severed_relationship.account).to eq remote_account
+      end
+    end
+  end
+
+  describe '#target_account' do
+    context 'when the local account is the follower' do
+      let(:severed_relationship) { Fabricate(:severed_relationship, relationship_severance_event: event, local_account: local_account, remote_account: remote_account, direction: :active) }
+
+      it 'returns the remote account' do
+        expect(severed_relationship.target_account).to eq remote_account
+      end
+    end
+
+    context 'when the local account is being followed' do
+      let(:severed_relationship) { Fabricate(:severed_relationship, relationship_severance_event: event, local_account: local_account, remote_account: remote_account, direction: :passive) }
+
+      it 'returns the local account' do
+        expect(severed_relationship.target_account).to eq local_account
+      end
+    end
+  end
+end

spec/requests/severed_relationships_spec.rb

@@ -0,0 +1,23 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+describe 'Severed relationships page' do
+  include RoutingHelper
+
+  describe 'GET severed_relationships#index' do
+    let(:user) { Fabricate(:user) }
+
+    before do
+      sign_in user
+
+      Fabricate(:severed_relationship, local_account: user.account)
+    end
+
+    it 'returns http success' do
+      get severed_relationships_path
+
+      expect(response).to have_http_status(200)
+    end
+  end
+end

spec/services/after_block_domain_from_account_service_spec.rb

@@ -5,22 +5,33 @@ require 'rails_helper'
 RSpec.describe AfterBlockDomainFromAccountService do
   subject { described_class.new }
 
-  let!(:wolf) { Fabricate(:account, username: 'wolf', domain: 'evil.org', inbox_url: 'https://evil.org/inbox', protocol: :activitypub) }
-  let!(:alice) { Fabricate(:account, username: 'alice') }
+  let(:wolf) { Fabricate(:account, username: 'wolf', domain: 'evil.org', inbox_url: 'https://evil.org/wolf/inbox', protocol: :activitypub) }
+  let(:dog)  { Fabricate(:account, username: 'dog', domain: 'evil.org', inbox_url: 'https://evil.org/dog/inbox', protocol: :activitypub) }
+  let(:alice) { Fabricate(:account, username: 'alice') }
 
   before do
-    allow(ActivityPub::DeliveryWorker).to receive(:perform_async)
+    wolf.follow!(alice)
+    alice.follow!(dog)
   end
 
-  it 'purge followers from blocked domain' do
-    wolf.follow!(alice)
+  around do |example|
+    Sidekiq::Testing.fake! do
+      example.run
+    end
+  end
+
+  it 'purges followers from blocked domain, sends them Reject->Follow, and records severed relationships', :aggregate_failures do
     subject.call(alice, 'evil.org')
+
     expect(wolf.following?(alice)).to be false
-  end
+    expect(ActivityPub::DeliveryWorker.jobs.pluck('args')).to contain_exactly(
+      [a_string_including('"type":"Reject"'), alice.id, wolf.inbox_url],
+      [a_string_including('"type":"Undo"'), alice.id, dog.inbox_url]
+    )
 
-  it 'sends Reject->Follow to followers from blocked domain' do
-    wolf.follow!(alice)
-    subject.call(alice, 'evil.org')
-    expect(ActivityPub::DeliveryWorker).to have_received(:perform_async).once
+    severed_relationships = alice.severed_relationships.to_a
+    expect(severed_relationships.count).to eq 2
+    expect(severed_relationships[0].relationship_severance_event).to eq severed_relationships[1].relationship_severance_event
+    expect(severed_relationships.map { |rel| [rel.account, rel.target_account] }).to contain_exactly([wolf, alice], [alice, dog])
   end
 end

spec/services/block_domain_service_spec.rb

@@ -5,6 +5,8 @@ require 'rails_helper'
 RSpec.describe BlockDomainService do
   subject { described_class.new }
 
+  let(:local_account) { Fabricate(:account) }
+  let(:bystander) { Fabricate(:account, domain: 'evil.org') }
   let!(:bad_account) { Fabricate(:account, username: 'badguy666', domain: 'evil.org') }
   let!(:bad_status_plain) { Fabricate(:status, account: bad_account, text: 'You suck') }
   let!(:bad_status_with_attachment) { Fabricate(:status, account: bad_account, text: 'Hahaha') }
@@ -13,62 +15,51 @@ RSpec.describe BlockDomainService do
 
   describe 'for a suspension' do
     before do
+      local_account.follow!(bad_account)
+      bystander.follow!(local_account)
+    end
+
+    it 'creates a domain block, suspends remote accounts with appropriate suspension date, records severed relationships', :aggregate_failures do
       subject.call(DomainBlock.create!(domain: 'evil.org', severity: :suspend))
-    end
 
-    it 'creates a domain block' do
       expect(DomainBlock.blocked?('evil.org')).to be true
-    end
 
-    it 'removes remote accounts from that domain' do
+      # Suspends account with appropriate suspension date
       expect(bad_account.reload.suspended?).to be true
-    end
-
-    it 'records suspension date appropriately' do
       expect(bad_account.reload.suspended_at).to eq DomainBlock.find_by(domain: 'evil.org').created_at
-    end
 
-    it 'keeps already-banned accounts banned' do
+      # Keep already-suspended account without updating the suspension date
       expect(already_banned_account.reload.suspended?).to be true
-    end
-
-    it 'does not overwrite suspension date of already-banned accounts' do
       expect(already_banned_account.reload.suspended_at).to_not eq DomainBlock.find_by(domain: 'evil.org').created_at
-    end
 
-    it 'removes the remote accounts\'s statuses and media attachments' do
+      # Removes content
       expect { bad_status_plain.reload }.to raise_exception ActiveRecord::RecordNotFound
       expect { bad_status_with_attachment.reload }.to raise_exception ActiveRecord::RecordNotFound
       expect { bad_attachment.reload }.to raise_exception ActiveRecord::RecordNotFound
+
+      # Records severed relationships
+      severed_relationships = local_account.severed_relationships.to_a
+      expect(severed_relationships.count).to eq 2
+      expect(severed_relationships[0].relationship_severance_event).to eq severed_relationships[1].relationship_severance_event
+      expect(severed_relationships.map { |rel| [rel.account, rel.target_account] }).to contain_exactly([bystander, local_account], [local_account, bad_account])
     end
   end
 
   describe 'for a silence with reject media' do
-    before do
+    it 'does not mark the domain as blocked, but silences accounts with an appropriate silencing date, clears media', :aggregate_failures, :sidekiq_inline do
       subject.call(DomainBlock.create!(domain: 'evil.org', severity: :silence, reject_media: true))
-    end
 
-    it 'does not create a domain block' do
       expect(DomainBlock.blocked?('evil.org')).to be false
-    end
 
-    it 'silences remote accounts from that domain' do
+      # Silences account with appropriate silecing date
       expect(bad_account.reload.silenced?).to be true
-    end
-
-    it 'records suspension date appropriately' do
       expect(bad_account.reload.silenced_at).to eq DomainBlock.find_by(domain: 'evil.org').created_at
-    end
 
-    it 'keeps already-banned accounts banned' do
+      # Keeps already-silenced accounts without updating the silecing date
       expect(already_banned_account.reload.silenced?).to be true
-    end
-
-    it 'does not overwrite suspension date of already-banned accounts' do
       expect(already_banned_account.reload.silenced_at).to_not eq DomainBlock.find_by(domain: 'evil.org').created_at
-    end
 
-    it 'leaves the domains status and attachments, but clears media', :sidekiq_inline do
+      # Leaves posts but clears media
       expect { bad_status_plain.reload }.to_not raise_error
       expect { bad_status_with_attachment.reload }.to_not raise_error
       expect { bad_attachment.reload }.to_not raise_error

spec/services/suspend_account_service_spec.rb

@@ -59,7 +59,7 @@ RSpec.describe SuspendAccountService, :sidekiq_inline do
         remote_follower.follow!(account)
       end
 
-      it 'sends an update actor to followers and reporters' do
+      it 'sends an Update actor activity to followers and reporters' do
         subject
         expect(a_request(:post, remote_follower.inbox_url).with { |req| match_update_actor_request(req, account) }).to have_been_made.once
         expect(a_request(:post, remote_reporter.inbox_url).with { |req| match_update_actor_request(req, account) }).to have_been_made.once
@@ -85,9 +85,14 @@ RSpec.describe SuspendAccountService, :sidekiq_inline do
         account.follow!(local_followee)
       end
 
-      it 'sends a reject follow' do
+      it 'sends a Reject Follow activity, and records severed relationships', :aggregate_failures do
         subject
+
         expect(a_request(:post, account.inbox_url).with { |req| match_reject_follow_request(req, account, local_followee) }).to have_been_made.once
+
+        severed_relationships = local_followee.severed_relationships.to_a
+        expect(severed_relationships.count).to eq 1
+        expect(severed_relationships.map { |rel| [rel.account, rel.target_account] }).to contain_exactly([account, local_followee])
       end
     end
   end

yarn.lock

@@ -42,13 +42,13 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@babel/code-frame@npm:^7.0.0, @babel/code-frame@npm:^7.10.4, @babel/code-frame@npm:^7.12.13, @babel/code-frame@npm:^7.23.5, @babel/code-frame@npm:^7.24.1":
-  version: 7.24.1
-  resolution: "@babel/code-frame@npm:7.24.1"
+"@babel/code-frame@npm:^7.0.0, @babel/code-frame@npm:^7.10.4, @babel/code-frame@npm:^7.12.13, @babel/code-frame@npm:^7.23.5, @babel/code-frame@npm:^7.24.1, @babel/code-frame@npm:^7.24.2":
+  version: 7.24.2
+  resolution: "@babel/code-frame@npm:7.24.2"
   dependencies:
-    "@babel/highlight": "npm:^7.24.1"
+    "@babel/highlight": "npm:^7.24.2"
     picocolors: "npm:^1.0.0"
-  checksum: 10c0/c92f4244538089c95f0322c5e8f6c2287529a576ae9ab254366a073c8720ecb537e7009d5d79a6a5698d3b658b298fc77691c05608cafbe4957cab03033ada15
+  checksum: 10c0/d1d4cba89475ab6aab7a88242e1fd73b15ecb9f30c109b69752956434d10a26a52cbd37727c4eca104b6d45227bd1dfce39a6a6f4a14c9b2f07f871e968cf406
   languageName: node
   linkType: hard
 
@@ -60,11 +60,11 @@ __metadata:
   linkType: hard
 
 "@babel/core@npm:^7.10.4, @babel/core@npm:^7.11.1, @babel/core@npm:^7.11.6, @babel/core@npm:^7.12.3, @babel/core@npm:^7.22.1":
-  version: 7.24.1
-  resolution: "@babel/core@npm:7.24.1"
+  version: 7.24.3
+  resolution: "@babel/core@npm:7.24.3"
   dependencies:
     "@ampproject/remapping": "npm:^2.2.0"
-    "@babel/code-frame": "npm:^7.24.1"
+    "@babel/code-frame": "npm:^7.24.2"
     "@babel/generator": "npm:^7.24.1"
     "@babel/helper-compilation-targets": "npm:^7.23.6"
     "@babel/helper-module-transforms": "npm:^7.23.3"
@@ -78,7 +78,7 @@ __metadata:
     gensync: "npm:^1.0.0-beta.2"
     json5: "npm:^2.2.3"
     semver: "npm:^6.3.1"
-  checksum: 10c0/b085b0bc65c225f20b9d5f7b05c8b127c005a73c355d4a7480f099de5d6757abafa7f60786eb95e6d098a6b5c34618e7b0950d60ef55139db04d8767d410e0a9
+  checksum: 10c0/e6e756b6de27d0312514a005688fa1915c521ad4269a388913eff2120a546538078f8488d6d16e86f851872f263cb45a6bbae08738297afb9382600d2ac342a9
   languageName: node
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@@ -217,12 +217,12 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@babel/helper-module-imports@npm:^7.0.0-beta.49, @babel/helper-module-imports@npm:^7.10.4, @babel/helper-module-imports@npm:^7.16.7, @babel/helper-module-imports@npm:^7.22.15, @babel/helper-module-imports@npm:^7.24.1":
-  version: 7.24.1
-  resolution: "@babel/helper-module-imports@npm:7.24.1"
+"@babel/helper-module-imports@npm:^7.0.0-beta.49, @babel/helper-module-imports@npm:^7.10.4, @babel/helper-module-imports@npm:^7.16.7, @babel/helper-module-imports@npm:^7.22.15, @babel/helper-module-imports@npm:^7.24.1, @babel/helper-module-imports@npm:^7.24.3":
+  version: 7.24.3
+  resolution: "@babel/helper-module-imports@npm:7.24.3"
   dependencies:
     "@babel/types": "npm:^7.24.0"
-  checksum: 10c0/9242a9af73e7eb3fe106d7e55c157149f7f38df6494980744e99fc608103c2ee20726df9596fae722c57ae89c9c304200673b733c3c1c5312385ff26ebd2a4fa
+  checksum: 10c0/052c188adcd100f5e8b6ff0c9643ddaabc58b6700d3bbbc26804141ad68375a9f97d9d173658d373d31853019e65f62610239e3295cdd58e573bdcb2fded188d
   languageName: node
   linkType: hard
 
@@ -353,15 +353,15 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@babel/highlight@npm:^7.24.1":
-  version: 7.24.1
-  resolution: "@babel/highlight@npm:7.24.1"
+"@babel/highlight@npm:^7.24.2":
+  version: 7.24.2
+  resolution: "@babel/highlight@npm:7.24.2"
   dependencies:
     "@babel/helper-validator-identifier": "npm:^7.22.20"
     chalk: "npm:^2.4.2"
     js-tokens: "npm:^4.0.0"
     picocolors: "npm:^1.0.0"
-  checksum: 10c0/39520f655101245efd44a6e5997e73e2b977f8e2011897022ec81fa5b0366dbfef5313bdebadbd08186f52b7e9c21b38ba265cc78caa0c6a8c894461e7a70430
+  checksum: 10c0/98ce00321daedeed33a4ed9362dc089a70375ff1b3b91228b9f05e6591d387a81a8cba68886e207861b8871efa0bc997ceabdd9c90f6cce3ee1b2f7f941b42db
   languageName: node
   linkType: hard
 
@@ -662,9 +662,9 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@babel/plugin-transform-async-generator-functions@npm:^7.24.1":
-  version: 7.24.1
-  resolution: "@babel/plugin-transform-async-generator-functions@npm:7.24.1"
+"@babel/plugin-transform-async-generator-functions@npm:^7.24.3":
+  version: 7.24.3
+  resolution: "@babel/plugin-transform-async-generator-functions@npm:7.24.3"
   dependencies:
     "@babel/helper-environment-visitor": "npm:^7.22.20"
     "@babel/helper-plugin-utils": "npm:^7.24.0"
@@ -672,7 +672,7 @@ __metadata:
     "@babel/plugin-syntax-async-generators": "npm:^7.8.4"
   peerDependencies:
     "@babel/core": ^7.0.0-0
-  checksum: 10c0/c207cb6b3b7dcb5cd9b22ce5a063493ec7534a21375cb987ad079eee6cc5cae573bd3c97af91fbf0ee47cae1d3f8632c4387885aeab0eedece5652dc4e6b9f1c
+  checksum: 10c0/55ceed059f819dcccbfe69600bfa1c055ada466bd54eda117cfdd2cf773dd85799e2f6556e4a559b076e93b9704abcca2aef9d72aad7dc8a5d3d17886052f1d3
   languageName: node
   linkType: hard
 
@@ -1200,10 +1200,10 @@ __metadata:
   linkType: hard
 
 "@babel/plugin-transform-runtime@npm:^7.22.4":
-  version: 7.24.1
-  resolution: "@babel/plugin-transform-runtime@npm:7.24.1"
+  version: 7.24.3
+  resolution: "@babel/plugin-transform-runtime@npm:7.24.3"
   dependencies:
-    "@babel/helper-module-imports": "npm:^7.24.1"
+    "@babel/helper-module-imports": "npm:^7.24.3"
     "@babel/helper-plugin-utils": "npm:^7.24.0"
     babel-plugin-polyfill-corejs2: "npm:^0.4.10"
     babel-plugin-polyfill-corejs3: "npm:^0.10.1"
@@ -1211,7 +1211,7 @@ __metadata:
     semver: "npm:^6.3.1"
   peerDependencies:
     "@babel/core": ^7.0.0-0
-  checksum: 10c0/54e4dbc7aa6fd6c338c657108418f10301e88bbc4c00675f901d529d3bbf578e6a438076bc57c1efdb433853dea1d7c1a6ebaa18f936debc1fd9e25f7553c33a
+  checksum: 10c0/ee01967bf405d84bd95ca4089166a18fb23fe9851a6da53dcf712a7f8ba003319996f21f320d568ec76126e18adfaee978206ccda86eef7652d47cc9a052e75e
   languageName: node
   linkType: hard
 
@@ -1333,8 +1333,8 @@ __metadata:
   linkType: hard
 
 "@babel/preset-env@npm:^7.11.0, @babel/preset-env@npm:^7.12.1, @babel/preset-env@npm:^7.22.4":
-  version: 7.24.1
-  resolution: "@babel/preset-env@npm:7.24.1"
+  version: 7.24.3
+  resolution: "@babel/preset-env@npm:7.24.3"
   dependencies:
     "@babel/compat-data": "npm:^7.24.1"
     "@babel/helper-compilation-targets": "npm:^7.23.6"
@@ -1363,7 +1363,7 @@ __metadata:
     "@babel/plugin-syntax-top-level-await": "npm:^7.14.5"
     "@babel/plugin-syntax-unicode-sets-regex": "npm:^7.18.6"
     "@babel/plugin-transform-arrow-functions": "npm:^7.24.1"
-    "@babel/plugin-transform-async-generator-functions": "npm:^7.24.1"
+    "@babel/plugin-transform-async-generator-functions": "npm:^7.24.3"
     "@babel/plugin-transform-async-to-generator": "npm:^7.24.1"
     "@babel/plugin-transform-block-scoped-functions": "npm:^7.24.1"
     "@babel/plugin-transform-block-scoping": "npm:^7.24.1"
@@ -1412,13 +1412,13 @@ __metadata:
     "@babel/plugin-transform-unicode-sets-regex": "npm:^7.24.1"
     "@babel/preset-modules": "npm:0.1.6-no-external-plugins"
     babel-plugin-polyfill-corejs2: "npm:^0.4.10"
-    babel-plugin-polyfill-corejs3: "npm:^0.10.1"
+    babel-plugin-polyfill-corejs3: "npm:^0.10.4"
     babel-plugin-polyfill-regenerator: "npm:^0.6.1"
     core-js-compat: "npm:^3.31.0"
     semver: "npm:^6.3.1"
   peerDependencies:
     "@babel/core": ^7.0.0-0
-  checksum: 10c0/c9fd96ed8561ac3f8d2e490face5b763ea05a7908770a52fe2ffa0e72581c5cd8ea5c016a85f47775fc3584c6d748eea62044c19ae3f4edf11ffc1e1e9c8bffd
+  checksum: 10c0/abd6f3b6c6a71d4ff766cda5b51467677a811240d022492e651065e26ce1a8eb2067eabe5653fce80dda9c5c204fb7b89b419578d7e86eaaf7970929ee7b4885
   languageName: node
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@@ -1578,16 +1578,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@csstools/css-parser-algorithms@npm:^2.5.0":
-  version: 2.5.0
-  resolution: "@csstools/css-parser-algorithms@npm:2.5.0"
-  peerDependencies:
-    "@csstools/css-tokenizer": ^2.2.3
-  checksum: 10c0/31b4a523d956e204af9842183678cca5a88ad76551d54dcb6083f8a6f2dfd8fdec6c09bca5410842af54b90997308bebee7593c17dbc1a4e951453b54bd3f024
-  languageName: node
-  linkType: hard
-
-"@csstools/css-parser-algorithms@npm:^2.6.1":
+"@csstools/css-parser-algorithms@npm:^2.5.0, @csstools/css-parser-algorithms@npm:^2.6.1":
   version: 2.6.1
   resolution: "@csstools/css-parser-algorithms@npm:2.6.1"
   peerDependencies:
@@ -1596,31 +1587,14 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@csstools/css-tokenizer@npm:^2.2.3":
-  version: 2.2.3
-  resolution: "@csstools/css-tokenizer@npm:2.2.3"
-  checksum: 10c0/557266ec52e8b36c19008a5bbd7151effba085cdd6d68270c01afebf914981caac698eda754b2a530a8a9947a3dd70e3f3a39a5e037c4170bb2a055a92754acb
-  languageName: node
-  linkType: hard
-
-"@csstools/css-tokenizer@npm:^2.2.4":
+"@csstools/css-tokenizer@npm:^2.2.3, @csstools/css-tokenizer@npm:^2.2.4":
   version: 2.2.4
   resolution: "@csstools/css-tokenizer@npm:2.2.4"
   checksum: 10c0/23997db5874514f4b951ebd215e1e6cc8baf03adf9a35fc6fd028b84cb52aa2dc053860722108c09859a9b37b455f62b84181fe15539cd37797ea699b9ff85f0
   languageName: node
   linkType: hard
 
-"@csstools/media-query-list-parser@npm:^2.1.7":
-  version: 2.1.7
-  resolution: "@csstools/media-query-list-parser@npm:2.1.7"
-  peerDependencies:
-    "@csstools/css-parser-algorithms": ^2.5.0
-    "@csstools/css-tokenizer": ^2.2.3
-  checksum: 10c0/433aef06b00f1d402fd24074a1919b8e2de94245a3b780da6466c8cc9e0f3cc93d2db930f0fce36c7d6908cd50b626cd61e803d3f62dddad79eeb742858028ef
-  languageName: node
-  linkType: hard
-
-"@csstools/media-query-list-parser@npm:^2.1.9":
+"@csstools/media-query-list-parser@npm:^2.1.7, @csstools/media-query-list-parser@npm:^2.1.9":
   version: 2.1.9
   resolution: "@csstools/media-query-list-parser@npm:2.1.9"
   peerDependencies:
@@ -1996,16 +1970,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@csstools/selector-specificity@npm:^3.0.1":
-  version: 3.0.1
-  resolution: "@csstools/selector-specificity@npm:3.0.1"
-  peerDependencies:
-    postcss-selector-parser: ^6.0.13
-  checksum: 10c0/4280f494726d5e38de74e28dee2ff74ec86244560dff4edeec3ddff3ac73c774c19535bd1bb70cad77949bfb359cf87e977d0ec3264591e3b7260342a20dd84f
-  languageName: node
-  linkType: hard
-
-"@csstools/selector-specificity@npm:^3.0.2":
+"@csstools/selector-specificity@npm:^3.0.1, @csstools/selector-specificity@npm:^3.0.2":
   version: 3.0.2
   resolution: "@csstools/selector-specificity@npm:3.0.2"
   peerDependencies:
@@ -5263,15 +5228,15 @@ __metadata:
   languageName: node
   linkType: hard
 
-"babel-plugin-polyfill-corejs3@npm:^0.10.1":
-  version: 0.10.1
-  resolution: "babel-plugin-polyfill-corejs3@npm:0.10.1"
+"babel-plugin-polyfill-corejs3@npm:^0.10.1, babel-plugin-polyfill-corejs3@npm:^0.10.4":
+  version: 0.10.4
+  resolution: "babel-plugin-polyfill-corejs3@npm:0.10.4"
   dependencies:
     "@babel/helper-define-polyfill-provider": "npm:^0.6.1"
-    core-js-compat: "npm:^3.36.0"
+    core-js-compat: "npm:^3.36.1"
   peerDependencies:
     "@babel/core": ^7.4.0 || ^8.0.0-0 <8.0.0
-  checksum: 10c0/54ad0b2d2eb44ae8cc20485ef3be6097e262e02ee76003f39734af5e421743dcff478bfc3cc8fef7cda298e1b507c618ff161c47672fd1ae598df0a2ca48b4e1
+  checksum: 10c0/31b92cd3dfb5b417da8dfcf0deaa4b8b032b476d7bb31ca51c66127cf25d41e89260e89d17bc004b2520faa38aa9515fafabf81d89f9d4976e9dc1163e4a7c41
   languageName: node
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@@ -6344,7 +6309,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"core-js-compat@npm:^3.31.0, core-js-compat@npm:^3.36.0":
+"core-js-compat@npm:^3.31.0, core-js-compat@npm:^3.36.1":
   version: 3.36.1
   resolution: "core-js-compat@npm:3.36.1"
   dependencies:
@@ -6708,9 +6673,9 @@ __metadata:
   languageName: node
   linkType: hard
 
-"cssnano-preset-default@npm:^6.1.0":
-  version: 6.1.0
-  resolution: "cssnano-preset-default@npm:6.1.0"
+"cssnano-preset-default@npm:^6.1.1":
+  version: 6.1.1
+  resolution: "cssnano-preset-default@npm:6.1.1"
   dependencies:
     browserslist: "npm:^4.23.0"
     css-declaration-sorter: "npm:^7.1.1"
@@ -6722,12 +6687,12 @@ __metadata:
     postcss-discard-duplicates: "npm:^6.0.3"
     postcss-discard-empty: "npm:^6.0.3"
     postcss-discard-overridden: "npm:^6.0.2"
-    postcss-merge-longhand: "npm:^6.0.4"
-    postcss-merge-rules: "npm:^6.1.0"
-    postcss-minify-font-values: "npm:^6.0.3"
+    postcss-merge-longhand: "npm:^6.0.5"
+    postcss-merge-rules: "npm:^6.1.1"
+    postcss-minify-font-values: "npm:^6.1.0"
     postcss-minify-gradients: "npm:^6.0.3"
     postcss-minify-params: "npm:^6.1.0"
-    postcss-minify-selectors: "npm:^6.0.3"
+    postcss-minify-selectors: "npm:^6.0.4"
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     postcss-normalize-display-values: "npm:^6.0.2"
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     postcss-reduce-transforms: "npm:^6.0.2"
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+    postcss-unique-selectors: "npm:^6.0.4"
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 "cssnano@npm:^6.0.1":
-  version: 6.1.0
-  resolution: "cssnano@npm:6.1.0"
+  version: 6.1.1
+  resolution: "cssnano@npm:6.1.1"
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+    cssnano-preset-default: "npm:^6.1.1"
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-  resolution: "postcss-merge-longhand@npm:6.0.4"
+"postcss-merge-longhand@npm:^6.0.5":
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+  resolution: "postcss-merge-longhand@npm:6.0.5"
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-    stylehacks: "npm:^6.1.0"
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-  resolution: "postcss-merge-rules@npm:6.1.0"
+"postcss-merge-rules@npm:^6.1.1":
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+  resolution: "postcss-merge-rules@npm:6.1.1"
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+    postcss-selector-parser: "npm:^6.0.16"
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-  version: 6.0.3
-  resolution: "postcss-minify-font-values@npm:6.0.3"
+"postcss-minify-font-values@npm:^6.1.0":
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-  version: 6.0.3
-  resolution: "postcss-minify-selectors@npm:6.0.3"
+"postcss-minify-selectors@npm:^6.0.4":
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+  resolution: "postcss-minify-selectors@npm:6.0.4"
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+    postcss-selector-parser: "npm:^6.0.16"
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-  version: 6.0.3
-  resolution: "postcss-unique-selectors@npm:6.0.3"
+"postcss-unique-selectors@npm:^6.0.4":
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+  resolution: "postcss-unique-selectors@npm:6.0.4"
   dependencies:
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+    postcss-selector-parser: "npm:^6.0.16"
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-  resolution: "stylehacks@npm:6.1.0"
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+  resolution: "stylehacks@npm:6.1.1"
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-    postcss-selector-parser: "npm:^6.0.15"
+    postcss-selector-parser: "npm:^6.0.16"
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