Hide blocking accounts from blocked users (#10442)

* Revert "Add indication that you have been blocked in web UI (#10420)"

This reverts commit bd02ec6daa974dcd3231e73826a56e08dbeedadc.

* Revert "Add `blocked_by` relationship to the REST API (#10373)"

This reverts commit 9745de883b198375ba23f7fde879f6d75ce2df0f.

* Hide blocking accounts from search results

* Filter blocking accouts from account followers

* Filter blocking accouts from account's following accounts

* Filter blocking accounts from “reblogged by” and “favourited by” lists

* Remove blocking account from URL search

* Return 410 on trying to fetch user data from a user who blocked us

* Return 410 in /api/v1/account/statuses for suspended or blocking accounts

* Fix status filtering when performing URL search

* Restore some React improvements

Restore some cleanup from bd02ec6daa974dcd3231e73826a56e08dbeedadc

* Refactor by adding `without_blocking` scope

16 files changed, 49 insertions, 44 deletions

diff --git a/app/controllers/api/v1/accounts/follower_accounts_controller.rb b/app/controllers/api/v1/accounts/follower_accounts_controller.rb
index ec15debb0..7a45e6dd2 100644
--- a/app/controllers/api/v1/accounts/follower_accounts_controller.rb
+++ b/app/controllers/api/v1/accounts/follower_accounts_controller.rb
@@ -25,7 +25,7 @@ class Api::V1::Accounts::FollowerAccountsController < Api::BaseController
   end
 
   def default_accounts
-    Account.includes(:active_relationships, :account_stat).references(:active_relationships)
+    Account.without_blocking(current_account).includes(:active_relationships, :account_stat).references(:active_relationships)
   end
 
   def paginated_follows
diff --git a/app/controllers/api/v1/accounts/following_accounts_controller.rb b/app/controllers/api/v1/accounts/following_accounts_controller.rb
index f3e112f2c..0369cb25e 100644
--- a/app/controllers/api/v1/accounts/following_accounts_controller.rb
+++ b/app/controllers/api/v1/accounts/following_accounts_controller.rb
@@ -25,7 +25,7 @@ class Api::V1::Accounts::FollowingAccountsController < Api::BaseController
   end
 
   def default_accounts
-    Account.includes(:passive_relationships, :account_stat).references(:passive_relationships)
+    Account.without_blocking(current_account).includes(:passive_relationships, :account_stat).references(:passive_relationships)
   end
 
   def paginated_follows
diff --git a/app/controllers/api/v1/accounts/statuses_controller.rb b/app/controllers/api/v1/accounts/statuses_controller.rb
index 8cd8f8e79..7aba2d0bd 100644
--- a/app/controllers/api/v1/accounts/statuses_controller.rb
+++ b/app/controllers/api/v1/accounts/statuses_controller.rb
@@ -3,6 +3,8 @@
 class Api::V1::Accounts::StatusesController < Api::BaseController
   before_action -> { authorize_if_got_token! :read, :'read:statuses' }
   before_action :set_account
+  before_action :check_account_suspension
+  before_action :check_account_block
   after_action :insert_pagination_headers
 
   respond_to :json
@@ -18,6 +20,14 @@ class Api::V1::Accounts::StatusesController < Api::BaseController
     @account = Account.find(params[:account_id])
   end
 
+  def check_account_suspension
+    gone if @account.suspended?
+  end
+
+  def check_account_block
+    gone if current_account.present? && @account.blocking?(current_account)
+  end
+
   def load_statuses
     cached_account_statuses
   end
diff --git a/app/controllers/api/v1/accounts_controller.rb b/app/controllers/api/v1/accounts_controller.rb
index b0c62778e..685e044c3 100644
--- a/app/controllers/api/v1/accounts_controller.rb
+++ b/app/controllers/api/v1/accounts_controller.rb
@@ -10,6 +10,7 @@ class Api::V1::AccountsController < Api::BaseController
   before_action :require_user!, except: [:show, :create]
   before_action :set_account, except: [:create]
   before_action :check_account_suspension, only: [:show]
+  before_action :check_account_block, only: [:show]
   before_action :check_enabled_registrations, only: [:create]
 
   respond_to :json
@@ -75,6 +76,10 @@ class Api::V1::AccountsController < Api::BaseController
     gone if @account.suspended?
   end
 
+  def check_account_block
+    gone if current_account.present? && @account.blocking?(current_account)
+  end
+
   def account_params
     params.permit(:username, :email, :password, :agreement, :locale)
   end
diff --git a/app/controllers/api/v1/statuses/favourited_by_accounts_controller.rb b/app/controllers/api/v1/statuses/favourited_by_accounts_controller.rb
index 657e57831..e00c4d708 100644
--- a/app/controllers/api/v1/statuses/favourited_by_accounts_controller.rb
+++ b/app/controllers/api/v1/statuses/favourited_by_accounts_controller.rb
@@ -22,6 +22,7 @@ class Api::V1::Statuses::FavouritedByAccountsController < Api::BaseController
 
   def default_accounts
     Account
+      .without_blocking(current_account)
       .includes(:favourites, :account_stat)
       .references(:favourites)
       .where(favourites: { status_id: @status.id })
diff --git a/app/controllers/api/v1/statuses/reblogged_by_accounts_controller.rb b/app/controllers/api/v1/statuses/reblogged_by_accounts_controller.rb
index 6851099f6..9b2d0e59e 100644
--- a/app/controllers/api/v1/statuses/reblogged_by_accounts_controller.rb
+++ b/app/controllers/api/v1/statuses/reblogged_by_accounts_controller.rb
@@ -21,7 +21,7 @@ class Api::V1::Statuses::RebloggedByAccountsController < Api::BaseController
   end
 
   def default_accounts
-    Account.includes(:statuses, :account_stat).references(:statuses)
+    Account.without_blocking(current_account).includes(:statuses, :account_stat).references(:statuses)
   end
 
   def paginated_statuses
diff --git a/app/javascript/mastodon/features/account/components/header.js b/app/javascript/mastodon/features/account/components/header.js
index f21ba8a9c..9d15bc28f 100644
--- a/app/javascript/mastodon/features/account/components/header.js
+++ b/app/javascript/mastodon/features/account/components/header.js
@@ -111,7 +111,7 @@ class Header extends ImmutablePureComponent {
       } else if (account.getIn(['relationship', 'requested'])) {
         actionBtn = <Button className='logo-button' text={intl.formatMessage(messages.requested)} onClick={this.props.onFollow} />;
       } else if (!account.getIn(['relationship', 'blocking'])) {
-        actionBtn = <Button disabled={account.getIn(['relationship', 'blocked_by'])} className={classNames('logo-button', { 'button--destructive': account.getIn(['relationship', 'following']) })} text={intl.formatMessage(account.getIn(['relationship', 'following']) ? messages.unfollow : messages.follow)} onClick={this.props.onFollow} />;
+        actionBtn = <Button className={classNames('logo-button', { 'button--destructive': account.getIn(['relationship', 'following']) })} text={intl.formatMessage(account.getIn(['relationship', 'following']) ? messages.unfollow : messages.follow)} onClick={this.props.onFollow} />;
       } else if (account.getIn(['relationship', 'blocking'])) {
         actionBtn = <Button className='logo-button' text={intl.formatMessage(messages.unblock, { name: account.get('username') })} onClick={this.props.onBlock} />;
       }
diff --git a/app/javascript/mastodon/features/account_timeline/index.js b/app/javascript/mastodon/features/account_timeline/index.js
index 71341debb..883f40d77 100644
--- a/app/javascript/mastodon/features/account_timeline/index.js
+++ b/app/javascript/mastodon/features/account_timeline/index.js
@@ -14,17 +14,14 @@ import ImmutablePureComponent from 'react-immutable-pure-component';
 import { FormattedMessage } from 'react-intl';
 import { fetchAccountIdentityProofs } from '../../actions/identity_proofs';
 
-const emptyList = ImmutableList();
-
 const mapStateToProps = (state, { params: { accountId }, withReplies = false }) => {
   const path = withReplies ? `${accountId}:with_replies` : accountId;
 
   return {
-    statusIds: state.getIn(['timelines', `account:${path}`, 'items'], emptyList),
-    featuredStatusIds: withReplies ? ImmutableList() : state.getIn(['timelines', `account:${accountId}:pinned`, 'items'], emptyList),
+    statusIds: state.getIn(['timelines', `account:${path}`, 'items'], ImmutableList()),
+    featuredStatusIds: withReplies ? ImmutableList() : state.getIn(['timelines', `account:${accountId}:pinned`, 'items'], ImmutableList()),
     isLoading: state.getIn(['timelines', `account:${path}`, 'isLoading']),
-    hasMore: state.getIn(['timelines', `account:${path}`, 'hasMore']),
-    blockedBy: state.getIn(['relationships', accountId, 'blocked_by'], false),
+    hasMore:   state.getIn(['timelines', `account:${path}`, 'hasMore']),
   };
 };
 
@@ -40,7 +37,6 @@ class AccountTimeline extends ImmutablePureComponent {
     isLoading: PropTypes.bool,
     hasMore: PropTypes.bool,
     withReplies: PropTypes.bool,
-    blockedBy: PropTypes.bool,
   };
 
   componentWillMount () {
@@ -48,11 +44,9 @@ class AccountTimeline extends ImmutablePureComponent {
 
     this.props.dispatch(fetchAccount(accountId));
     this.props.dispatch(fetchAccountIdentityProofs(accountId));
-
     if (!withReplies) {
       this.props.dispatch(expandAccountFeaturedTimeline(accountId));
     }
-
     this.props.dispatch(expandAccountTimeline(accountId, { withReplies }));
   }
 
@@ -60,11 +54,9 @@ class AccountTimeline extends ImmutablePureComponent {
     if ((nextProps.params.accountId !== this.props.params.accountId && nextProps.params.accountId) || nextProps.withReplies !== this.props.withReplies) {
       this.props.dispatch(fetchAccount(nextProps.params.accountId));
       this.props.dispatch(fetchAccountIdentityProofs(nextProps.params.accountId));
-
       if (!nextProps.withReplies) {
         this.props.dispatch(expandAccountFeaturedTimeline(nextProps.params.accountId));
       }
-
       this.props.dispatch(expandAccountTimeline(nextProps.params.accountId, { withReplies: nextProps.params.withReplies }));
     }
   }
@@ -74,7 +66,7 @@ class AccountTimeline extends ImmutablePureComponent {
   }
 
   render () {
-    const { shouldUpdateScroll, statusIds, featuredStatusIds, isLoading, hasMore, blockedBy } = this.props;
+    const { shouldUpdateScroll, statusIds, featuredStatusIds, isLoading, hasMore } = this.props;
 
     if (!statusIds && isLoading) {
       return (
@@ -84,8 +76,6 @@ class AccountTimeline extends ImmutablePureComponent {
       );
     }
 
-    const emptyMessage = blockedBy ? <FormattedMessage id='empty_column.account_timeline_blocked' defaultMessage='You are blocked' /> : <FormattedMessage id='empty_column.account_timeline' defaultMessage='No toots here!' />;
-
     return (
       <Column>
         <ColumnBackButton />
@@ -94,13 +84,13 @@ class AccountTimeline extends ImmutablePureComponent {
           prepend={<HeaderContainer accountId={this.props.params.accountId} />}
           alwaysPrepend
           scrollKey='account_timeline'
-          statusIds={blockedBy ? emptyList : statusIds}
+          statusIds={statusIds}
           featuredStatusIds={featuredStatusIds}
           isLoading={isLoading}
           hasMore={hasMore}
           onLoadMore={this.handleLoadMore}
           shouldUpdateScroll={shouldUpdateScroll}
-          emptyMessage={emptyMessage}
+          emptyMessage={<FormattedMessage id='empty_column.account_timeline' defaultMessage='No toots here!' />}
         />
       </Column>
     );
diff --git a/app/javascript/mastodon/features/followers/index.js b/app/javascript/mastodon/features/followers/index.js
index 167f61b31..ce56f270c 100644
--- a/app/javascript/mastodon/features/followers/index.js
+++ b/app/javascript/mastodon/features/followers/index.js
@@ -20,7 +20,6 @@ import ScrollableList from '../../components/scrollable_list';
 const mapStateToProps = (state, props) => ({
   accountIds: state.getIn(['user_lists', 'followers', props.params.accountId, 'items']),
   hasMore: !!state.getIn(['user_lists', 'followers', props.params.accountId, 'next']),
-  blockedBy: state.getIn(['relationships', props.params.accountId, 'blocked_by'], false),
 });
 
 export default @connect(mapStateToProps)
@@ -32,7 +31,6 @@ class Followers extends ImmutablePureComponent {
     shouldUpdateScroll: PropTypes.func,
     accountIds: ImmutablePropTypes.list,
     hasMore: PropTypes.bool,
-    blockedBy: PropTypes.bool,
   };
 
   componentWillMount () {
@@ -52,7 +50,7 @@ class Followers extends ImmutablePureComponent {
   }, 300, { leading: true });
 
   render () {
-    const { shouldUpdateScroll, accountIds, hasMore, blockedBy } = this.props;
+    const { shouldUpdateScroll, accountIds, hasMore } = this.props;
 
     if (!accountIds) {
       return (
@@ -62,7 +60,7 @@ class Followers extends ImmutablePureComponent {
       );
     }
 
-    const emptyMessage = blockedBy ? <FormattedMessage id='empty_column.account_timeline_blocked' defaultMessage='You are blocked' /> : <FormattedMessage id='account.followers.empty' defaultMessage='No one follows this user yet.' />;
+    const emptyMessage = <FormattedMessage id='account.followers.empty' defaultMessage='No one follows this user yet.' />;
 
     return (
       <Column>
@@ -77,7 +75,7 @@ class Followers extends ImmutablePureComponent {
           alwaysPrepend
           emptyMessage={emptyMessage}
         >
-          {blockedBy ? [] : accountIds.map(id =>
+          {accountIds.map(id =>
             <AccountContainer key={id} id={id} withNote={false} />
           )}
         </ScrollableList>
diff --git a/app/javascript/mastodon/features/following/index.js b/app/javascript/mastodon/features/following/index.js
index 87638e051..bda0438a0 100644
--- a/app/javascript/mastodon/features/following/index.js
+++ b/app/javascript/mastodon/features/following/index.js
@@ -20,7 +20,6 @@ import ScrollableList from '../../components/scrollable_list';
 const mapStateToProps = (state, props) => ({
   accountIds: state.getIn(['user_lists', 'following', props.params.accountId, 'items']),
   hasMore: !!state.getIn(['user_lists', 'following', props.params.accountId, 'next']),
-  blockedBy: state.getIn(['relationships', props.params.accountId, 'blocked_by'], false),
 });
 
 export default @connect(mapStateToProps)
@@ -32,7 +31,6 @@ class Following extends ImmutablePureComponent {
     shouldUpdateScroll: PropTypes.func,
     accountIds: ImmutablePropTypes.list,
     hasMore: PropTypes.bool,
-    blockedBy: PropTypes.bool,
   };
 
   componentWillMount () {
@@ -52,7 +50,7 @@ class Following extends ImmutablePureComponent {
   }, 300, { leading: true });
 
   render () {
-    const { shouldUpdateScroll, accountIds, hasMore, blockedBy } = this.props;
+    const { shouldUpdateScroll, accountIds, hasMore } = this.props;
 
     if (!accountIds) {
       return (
@@ -62,7 +60,7 @@ class Following extends ImmutablePureComponent {
       );
     }
 
-    const emptyMessage = blockedBy ? <FormattedMessage id='empty_column.account_timeline_blocked' defaultMessage='You are blocked' /> : <FormattedMessage id='account.follows.empty' defaultMessage="This user doesn't follow anyone yet." />;
+    const emptyMessage = <FormattedMessage id='account.follows.empty' defaultMessage="This user doesn't follow anyone yet." />;
 
     return (
       <Column>
@@ -77,7 +75,7 @@ class Following extends ImmutablePureComponent {
           alwaysPrepend
           emptyMessage={emptyMessage}
         >
-          {blockedBy ? [] : accountIds.map(id =>
+          {accountIds.map(id =>
             <AccountContainer key={id} id={id} withNote={false} />
           )}
         </ScrollableList>
diff --git a/app/javascript/styles/mastodon/stream_entries.scss b/app/javascript/styles/mastodon/stream_entries.scss
index a739c446d..d8bd30377 100644
--- a/app/javascript/styles/mastodon/stream_entries.scss
+++ b/app/javascript/styles/mastodon/stream_entries.scss
@@ -99,9 +99,9 @@
     }
   }
 
-  &:active:not(:disabled),
-  &:focus:not(:disabled),
-  &:hover:not(:disabled) {
+  &:active,
+  &:focus,
+  &:hover {
     background: lighten($ui-highlight-color, 10%);
 
     svg path:last-child {
diff --git a/app/models/account.rb b/app/models/account.rb
index 51e01246e..2c67245f2 100644
--- a/app/models/account.rb
+++ b/app/models/account.rb
@@ -98,6 +98,7 @@ class Account < ApplicationRecord
   scope :tagged_with, ->(tag) { joins(:accounts_tags).where(accounts_tags: { tag_id: tag }) }
   scope :by_recent_status, -> { order(Arel.sql('(case when account_stats.last_status_at is null then 1 else 0 end) asc, account_stats.last_status_at desc')) }
   scope :popular, -> { order('account_stats.followers_count desc') }
+  scope :without_blocking, ->(account) { account.nil? ? all : where.not(id: Block.where(target_account_id: account.id).pluck(&:account_id)) }
 
   delegate :email,
            :unconfirmed_email,
diff --git a/app/presenters/account_relationships_presenter.rb b/app/presenters/account_relationships_presenter.rb
index b05673a3d..e4aaa65f6 100644
--- a/app/presenters/account_relationships_presenter.rb
+++ b/app/presenters/account_relationships_presenter.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 class AccountRelationshipsPresenter
-  attr_reader :following, :followed_by, :blocking, :blocked_by,
+  attr_reader :following, :followed_by, :blocking,
               :muting, :requested, :domain_blocking,
               :endorsed
 
@@ -12,7 +12,6 @@ class AccountRelationshipsPresenter
     @following       = cached[:following].merge(Account.following_map(@uncached_account_ids, @current_account_id))
     @followed_by     = cached[:followed_by].merge(Account.followed_by_map(@uncached_account_ids, @current_account_id))
     @blocking        = cached[:blocking].merge(Account.blocking_map(@uncached_account_ids, @current_account_id))
-    @blocked_by      = cached[:blocked_by].merge(Account.blocked_by_map(@uncached_account_ids, @current_account_id))
     @muting          = cached[:muting].merge(Account.muting_map(@uncached_account_ids, @current_account_id))
     @requested       = cached[:requested].merge(Account.requested_map(@uncached_account_ids, @current_account_id))
     @domain_blocking = cached[:domain_blocking].merge(Account.domain_blocking_map(@uncached_account_ids, @current_account_id))
@@ -23,7 +22,6 @@ class AccountRelationshipsPresenter
     @following.merge!(options[:following_map] || {})
     @followed_by.merge!(options[:followed_by_map] || {})
     @blocking.merge!(options[:blocking_map] || {})
-    @blocked_by.merge!(options[:blocked_by_map] || {})
     @muting.merge!(options[:muting_map] || {})
     @requested.merge!(options[:requested_map] || {})
     @domain_blocking.merge!(options[:domain_blocking_map] || {})
@@ -39,7 +37,6 @@ class AccountRelationshipsPresenter
       following: {},
       followed_by: {},
       blocking: {},
-      blocked_by: {},
       muting: {},
       requested: {},
       domain_blocking: {},
@@ -67,7 +64,6 @@ class AccountRelationshipsPresenter
         following:       { account_id => following[account_id] },
         followed_by:     { account_id => followed_by[account_id] },
         blocking:        { account_id => blocking[account_id] },
-        blocked_by:      { account_id => blocked_by[account_id] },
         muting:          { account_id => muting[account_id] },
         requested:       { account_id => requested[account_id] },
         domain_blocking: { account_id => domain_blocking[account_id] },
diff --git a/app/serializers/rest/relationship_serializer.rb b/app/serializers/rest/relationship_serializer.rb
index 1a3fd915c..c6c722a54 100644
--- a/app/serializers/rest/relationship_serializer.rb
+++ b/app/serializers/rest/relationship_serializer.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 class REST::RelationshipSerializer < ActiveModel::Serializer
-  attributes :id, :following, :showing_reblogs, :followed_by, :blocking, :blocked_by,
+  attributes :id, :following, :showing_reblogs, :followed_by, :blocking,
              :muting, :muting_notifications, :requested, :domain_blocking,
              :endorsed
 
@@ -27,10 +27,6 @@ class REST::RelationshipSerializer < ActiveModel::Serializer
     instance_options[:relationships].blocking[object.id] || false
   end
 
-  def blocked_by
-    instance_options[:relationships].blocked_by[object.id] || false
-  end
-
   def muting
     instance_options[:relationships].muting[object.id] ? true : false
   end
diff --git a/app/services/account_search_service.rb b/app/services/account_search_service.rb
index 7bdffbbd2..c47b1c094 100644
--- a/app/services/account_search_service.rb
+++ b/app/services/account_search_service.rb
@@ -10,7 +10,15 @@ class AccountSearchService < BaseService
     @options = options
     @account = account
 
-    search_service_results
+    results = search_service_results
+
+    unless account.nil?
+      account_ids    = results.map(&:id)
+      blocked_by_map = Account.blocked_by_map(account_ids, account.id)
+      results.reject! { |item| blocked_by_map[item.id] }
+    end
+
+    results
   end
 
   private
diff --git a/app/services/search_service.rb b/app/services/search_service.rb
index e0da61dac..a8442654c 100644
--- a/app/services/search_service.rb
+++ b/app/services/search_service.rb
@@ -12,6 +12,8 @@ class SearchService < BaseService
     default_results.tap do |results|
       if url_query?
         results.merge!(url_resource_results) unless url_resource.nil?
+        results[:accounts].reject! { |item| item.blocking?(@account) }
+        results[:statuses].reject! { |status| StatusFilter.new(status, @account).filtered? }
       elsif @query.present?
         results[:accounts] = perform_accounts_search! if account_searchable?
         results[:statuses] = perform_statuses_search! if full_text_searchable?