Merge upstream (#81)

2023-08-25 08:33:12 +02:00 · 2017-07-15 14:33:15 -07:00 · 2017-07-15 14:33:15 -07:00 · 09cfc079b0
commit 09cfc079b0
parent 08d021916d 695439775e
213 changed files with 2714 additions and 1364 deletions
--- a/.babelrc
+++ b/.babelrc
@ -22,7 +22,8 @@
      {
        "messagesDir": "./build/messages"
      }
-    ]
+    ],
+    "preval"
  ],
  "env": {
    "development": {
--- a/.env.production.sample
+++ b/.env.production.sample
@ -31,6 +31,17 @@ PAPERCLIP_SECRET=
 SECRET_KEY_BASE=
 OTP_SECRET=

+# VAPID keys (used for push notifications
+# You can generate the keys using the following command (first is the private key, second is the public one)
+# You should only generate this once per instance. If you later decide to change it, all push subscription will
+# be invalidated, requiring the users to access the website again to resubscribe.
+#
+# Generate with `rake mastodon:webpush:generate_vapid_key` task (`docker-compose run --rm web rake mastodon:webpush:generate_vapid_key` if you use docker compose)
+#
+# For more information visit https://rossta.net/blog/using-the-web-push-api-with-vapid.html
+VAPID_PRIVATE_KEY=
+VAPID_PUBLIC_KEY=
+
 # Registrations
 # Single user mode will disable registrations and redirect frontpage to the first profile
 # SINGLE_USER_MODE=true
--- a/.gitignore
+++ b/.gitignore
@ -21,6 +21,7 @@ public/system
 public/assets
 public/packs
 public/packs-test
+public/sw.js
 .env
 .env.production
 node_modules/
--- a/.postcssrc.yml
+++ b/.postcssrc.yml
@ -6,3 +6,4 @@ plugins:
      - last 2 versions
      - IE >= 11
      - iOS >= 9
+  postcss-object-fit-images: {}
--- a/5
+++ b/5
@ -28,6 +28,7 @@ gem 'devise', '~> 4.2'
 gem 'devise-two-factor', '~> 3.0'
 gem 'doorkeeper', '~> 4.2'
 gem 'fast_blank', '~> 1.0'
+gem 'gemoji', '~> 3.0'
 gem 'goldfinger', '~> 1.2'
 gem 'hiredis', '~> 0.6'
 gem 'redis-namespace', '~> 1.5'
@ -35,6 +36,7 @@ gem 'htmlentities', '~> 4.3'
 gem 'http', '~> 2.2'
 gem 'http_accept_language', '~> 2.1'
 gem 'httplog', '~> 0.99'
+gem 'idn-ruby', require: 'idn'
 gem 'kaminari', '~> 1.0'
 gem 'link_header', '~> 0.0'
 gem 'mime-types', '~> 3.1'
@ -64,6 +66,7 @@ gem 'statsd-instrument', '~> 2.1'
 gem 'twitter-text', '~> 1.14'
 gem 'tzinfo-data', '~> 1.2017'
 gem 'webpacker', '~> 2.0'
+gem 'webpush'

 group :development, :test do
  gem 'fabrication', '~> 2.16'
@ -77,7 +80,7 @@ group :test do
  gem 'capybara', '~> 2.14'
  gem 'climate_control', '~> 0.2'
  gem 'faker', '~> 1.7'
-  gem 'microformats2', '~> 3.0'
+  gem 'microformats', '~> 4.0'
  gem 'rails-controller-testing', '~> 1.0'
  gem 'rspec-sidekiq', '~> 3.0'
  gem 'simplecov', '~> 0.14', require: false
--- a/Gemfile.lock
+++ b/Gemfile.lock
@ -163,6 +163,7 @@ GEM
    fuubar (2.2.0)
      rspec-core (~> 3.0)
      ruby-progressbar (~> 1.4)
+    gemoji (3.0.0)
    globalid (0.4.0)
      activesupport (>= 4.2.0)
    goldfinger (1.2.0)
@ -181,6 +182,7 @@ GEM
    hashdiff (0.3.4)
    highline (1.7.8)
    hiredis (0.6.1)
+    hkdf (0.3.0)
    htmlentities (4.3.4)
    http (2.2.2)
      addressable (~> 2.3)
@ -206,9 +208,11 @@ GEM
      parser (>= 2.2.3.0)
      rainbow (~> 2.2)
      terminal-table (>= 1.5.1)
+    idn-ruby (0.1.0)
    jmespath (1.3.1)
    json (2.1.0)
    jsonapi-renderer (0.1.2)
+    jwt (1.5.6)
    kaminari (1.0.1)
      activesupport (>= 4.1.0)
      kaminari-actionview (= 1.0.1)
@ -239,7 +243,7 @@ GEM
    mail (2.6.6)
      mime-types (>= 1.16, < 4)
    method_source (0.8.2)
-    microformats2 (3.1.0)
+    microformats (4.0.7)
      json
      nokogiri
    mime-types (3.1)
@ -475,6 +479,9 @@ GEM
      activesupport (>= 4.2)
      multi_json (~> 1.2)
      railties (>= 4.2)
+    webpush (0.3.2)
+      hkdf (~> 0.2)
+      jwt
    websocket-driver (0.6.5)
      websocket-extensions (>= 0.1.0)
    websocket-extensions (0.1.2)
@ -513,6 +520,7 @@ DEPENDENCIES
  faker (~> 1.7)
  fast_blank (~> 1.0)
  fuubar (~> 2.2)
+  gemoji (~> 3.0)
  goldfinger (~> 1.2)
  hamlit-rails (~> 0.2)
  hiredis (~> 0.6)
@ -521,12 +529,13 @@ DEPENDENCIES
  http_accept_language (~> 2.1)
  httplog (~> 0.99)
  i18n-tasks (~> 0.9)
+  idn-ruby
  kaminari (~> 1.0)
  letter_opener (~> 1.4)
  letter_opener_web (~> 1.3)
  link_header (~> 0.0)
  lograge (~> 0.5)
-  microformats2 (~> 3.0)
+  microformats (~> 4.0)
  mime-types (~> 3.1)
  nokogiri (~> 1.7)
  oj (~> 3.0)
@ -573,6 +582,7 @@ DEPENDENCIES
  uglifier (~> 3.2)
  webmock (~> 3.0)
  webpacker (~> 2.0)
+  webpush

 RUBY VERSION
   ruby 2.4.1p111
--- a/app/controllers/accounts_controller.rb
+++ b/app/controllers/accounts_controller.rb
@ -2,6 +2,7 @@

 class AccountsController < ApplicationController
  include AccountControllerConcern
+  include SignatureVerification

  def show
    respond_to do |format|
@ -15,7 +16,9 @@ class AccountsController < ApplicationController
        render xml: AtomSerializer.render(AtomSerializer.new.feed(@account, @entries.to_a))
      end

-      format.activitystreams2
+      format.json do
+        render json: @account, serializer: ActivityPub::ActorSerializer, adapter: ActivityPub::Adapter
+      end
    end
  end

--- a/app/controllers/activitypub/outboxes_controller.rb
+++ b/app/controllers/activitypub/outboxes_controller.rb
@ -0,0 +1,28 @@
+# frozen_string_literal: true
+
+class ActivityPub::OutboxesController < Api::BaseController
+  before_action :set_account
+
+  def show
+    @statuses = @account.statuses.permitted_for(@account, current_account).paginate_by_max_id(20, params[:max_id], params[:since_id])
+    @statuses = cache_collection(@statuses, Status)
+
+    render json: outbox_presenter, serializer: ActivityPub::CollectionSerializer, adapter: ActivityPub::Adapter
+  end
+
+  private
+
+  def set_account
+    @account = Account.find_local!(params[:account_username])
+  end
+
+  def outbox_presenter
+    ActivityPub::CollectionPresenter.new(
+      id: account_outbox_url(@account),
+      type: :ordered,
+      current: account_outbox_url(@account),
+      size: @account.statuses_count,
+      items: @statuses
+    )
+  end
+end
--- a/app/controllers/api/activitypub/activities_controller.rb
+++ b/app/controllers/api/activitypub/activities_controller.rb
@ -1,27 +0,0 @@
-# frozen_string_literal: true
-
-class Api::ActivityPub::ActivitiesController < Api::BaseController
-  include Authorization
-
-  # before_action :set_follow, only: [:show_follow]
-  before_action :set_status, only: [:show_status]
-
-  respond_to :activitystreams2
-
-  # Show a status in AS2 format, as either an Announce (reblog) or a Create (post) activity.
-  def show_status
-    authorize @status, :show?
-
-    if @status.reblog?
-      render :show_status_announce
-    else
-      render :show_status_create
-    end
-  end
-
-  private
-
-  def set_status
-    @status = Status.find(params[:id])
-  end
-end
--- a/app/controllers/api/activitypub/notes_controller.rb
+++ b/app/controllers/api/activitypub/notes_controller.rb
@ -1,19 +0,0 @@
-# frozen_string_literal: true
-
-class Api::ActivityPub::NotesController < Api::BaseController
-  include Authorization
-
-  before_action :set_status
-
-  respond_to :activitystreams2
-
-  def show
-    authorize @status, :show?
-  end
-
-  private
-
-  def set_status
-    @status = Status.find(params[:id])
-  end
-end
--- a/app/controllers/api/activitypub/outbox_controller.rb
+++ b/app/controllers/api/activitypub/outbox_controller.rb
@ -1,69 +0,0 @@
-# frozen_string_literal: true
-
-class Api::ActivityPub::OutboxController < Api::BaseController
-  before_action :set_account
-
-  respond_to :activitystreams2
-
-  def show
-    if params[:max_id] || params[:since_id]
-      show_outbox_page
-    else
-      show_base_outbox
-    end
-  end
-
-  private
-
-  def show_base_outbox
-    @statuses = Status.as_outbox_timeline(@account)
-    @statuses = cache_collection(@statuses)
-
-    set_maps(@statuses)
-
-    set_first_last_page(@statuses)
-
-    render :show
-  end
-
-  def show_outbox_page
-    all_statuses = Status.as_outbox_timeline(@account)
-    @statuses = all_statuses.paginate_by_max_id(limit_param(DEFAULT_STATUSES_LIMIT), params[:max_id], params[:since_id])
-
-    all_statuses = cache_collection(all_statuses)
-    @statuses = cache_collection(@statuses)
-
-    set_maps(@statuses)
-
-    set_first_last_page(all_statuses)
-
-    @next_page_url = api_activitypub_outbox_url(pagination_params(max_id: @statuses.last.id))    unless @statuses.empty?
-    @prev_page_url = api_activitypub_outbox_url(pagination_params(since_id: @statuses.first.id)) unless @statuses.empty?
-
-    @paginated = @next_page_url || @prev_page_url
-    @part_of_url = api_activitypub_outbox_url
-
-    set_pagination_headers(@next_page_url, @prev_page_url)
-
-    render :show_page
-  end
-
-  def cache_collection(raw)
-    super(raw, Status)
-  end
-
-  def set_account
-    @account = Account.find(params[:id])
-  end
-
-  def set_first_last_page(statuses) # rubocop:disable Style/AccessorMethodName
-    return if statuses.empty?
-
-    @first_page_url = api_activitypub_outbox_url(max_id: statuses.first.id + 1)
-    @last_page_url = api_activitypub_outbox_url(since_id: statuses.last.id - 1)
-  end
-
-  def pagination_params(core_params)
-    params.permit(:local, :limit).merge(core_params)
-  end
-end
--- a/app/controllers/api/push_controller.rb
+++ b/app/controllers/api/push_controller.rb
@ -1,6 +1,8 @@
 # frozen_string_literal: true

 class Api::PushController < Api::BaseController
+  include SignatureVerification
+
  def update
    response, status = process_push_request
    render plain: response, status: status
@ -11,7 +13,7 @@ class Api::PushController < Api::BaseController
  def process_push_request
    case hub_mode
    when 'subscribe'
-      Pubsubhubbub::SubscribeService.new.call(account_from_topic, hub_callback, hub_secret, hub_lease_seconds)
+      Pubsubhubbub::SubscribeService.new.call(account_from_topic, hub_callback, hub_secret, hub_lease_seconds, verified_domain)
    when 'unsubscribe'
      Pubsubhubbub::UnsubscribeService.new.call(account_from_topic, hub_callback)
    else
@ -57,6 +59,10 @@ class Api::PushController < Api::BaseController
    TagManager.instance.web_domain?(hub_topic_domain)
  end

+  def verified_domain
+    return signed_request_account.domain if signed_request_account
+  end
+
  def hub_topic_domain
    hub_topic_uri.host + (hub_topic_uri.port ? ":#{hub_topic_uri.port}" : '')
  end
--- a/app/controllers/api/subscriptions_controller.rb
+++ b/app/controllers/api/subscriptions_controller.rb
@ -42,7 +42,7 @@ class Api::SubscriptionsController < Api::BaseController
  end

  def lease_seconds_or_default
-    (params['hub.lease_seconds'] || 86_400).to_i.seconds
+    (params['hub.lease_seconds'] || 1.day).to_i.seconds
  end

  def set_account
--- a/app/controllers/api/v1/statuses/favourites_controller.rb
+++ b/app/controllers/api/v1/statuses/favourites_controller.rb
@ -19,7 +19,7 @@ class Api::V1::Statuses::FavouritesController < Api::BaseController

    UnfavouriteWorker.perform_async(current_user.account_id, @status.id)

-    render json: @status, serializer: REST::StatusSerializer
+    render json: @status, serializer: REST::StatusSerializer, relationships: StatusRelationshipsPresenter.new([@status], current_user&.account_id, favourites_map: @favourites_map)
  end

  private
--- a/app/controllers/api/v1/statuses/reblogs_controller.rb
+++ b/app/controllers/api/v1/statuses/reblogs_controller.rb
@ -20,7 +20,7 @@ class Api::V1::Statuses::ReblogsController < Api::BaseController
    authorize status_for_destroy, :unreblog?
    RemovalWorker.perform_async(status_for_destroy.id)

-    render json: @status, serializer: REST::StatusSerializer
+    render json: @status, serializer: REST::StatusSerializer, relationships: StatusRelationshipsPresenter.new([@status], current_user&.account_id, reblogs_map: @reblogs_map)
  end

  private
--- a/app/controllers/api/web/push_subscriptions_controller.rb
+++ b/app/controllers/api/web/push_subscriptions_controller.rb
@ -0,0 +1,39 @@
+# frozen_string_literal: true
+
+class Api::Web::PushSubscriptionsController < Api::BaseController
+  respond_to :json
+
+  before_action :require_user!
+
+  def create
+    params.require(:data).require(:endpoint)
+    params.require(:data).require(:keys).require([:auth, :p256dh])
+
+    active_session = current_session
+
+    unless active_session.web_push_subscription.nil?
+      active_session.web_push_subscription.destroy!
+      active_session.update!(web_push_subscription: nil)
+    end
+
+    web_subscription = ::Web::PushSubscription.create!(
+      endpoint: params[:data][:endpoint],
+      key_p256dh: params[:data][:keys][:p256dh],
+      key_auth: params[:data][:keys][:auth]
+    )
+
+    active_session.update!(web_push_subscription: web_subscription)
+
+    render json: web_subscription.as_payload
+  end
+
+  def update
+    params.require([:id, :data])
+
+    web_subscription = ::Web::PushSubscription.find(params[:id])
+
+    web_subscription.update!(data: params[:data])
+
+    render json: web_subscription.as_payload
+  end
+end
--- a/app/controllers/concerns/signature_verification.rb
+++ b/app/controllers/concerns/signature_verification.rb
@ -0,0 +1,87 @@
+# frozen_string_literal: true
+
+# Implemented according to HTTP signatures (Draft 6)
+# <https://tools.ietf.org/html/draft-cavage-http-signatures-06>
+module SignatureVerification
+  extend ActiveSupport::Concern
+
+  def signed_request?
+    request.headers['Signature'].present?
+  end
+
+  def signed_request_account
+    return @signed_request_account if defined?(@signed_request_account)
+
+    unless signed_request?
+      @signed_request_account = nil
+      return
+    end
+
+    raw_signature    = request.headers['Signature']
+    signature_params = {}
+
+    raw_signature.split(',').each do |part|
+      parsed_parts = part.match(/([a-z]+)="([^"]+)"/i)
+      next if parsed_parts.nil? || parsed_parts.size != 3
+      signature_params[parsed_parts[1]] = parsed_parts[2]
+    end
+
+    if incompatible_signature?(signature_params)
+      @signed_request_account = nil
+      return
+    end
+
+    account = ResolveRemoteAccountService.new.call(signature_params['keyId'].gsub(/\Aacct:/, ''))
+
+    if account.nil?
+      @signed_request_account = nil
+      return
+    end
+
+    signature             = Base64.decode64(signature_params['signature'])
+    compare_signed_string = build_signed_string(signature_params['headers'])
+
+    if account.keypair.public_key.verify(OpenSSL::Digest::SHA256.new, signature, compare_signed_string)
+      @signed_request_account = account
+      @signed_request_account
+    else
+      @signed_request_account = nil
+    end
+  end
+
+  private
+
+  def build_signed_string(signed_headers)
+    signed_headers = 'date' if signed_headers.blank?
+
+    signed_headers.split(' ').map do |signed_header|
+      if signed_header == Request::REQUEST_TARGET
+        "#{Request::REQUEST_TARGET}: #{request.method.downcase} #{request.path}"
+      else
+        "#{signed_header}: #{request.headers[to_header_name(signed_header)]}"
+      end
+    end.join("\n")
+  end
+
+  def matches_time_window?
+    begin
+      time_sent = DateTime.httpdate(request.headers['Date'])
+    rescue ArgumentError
+      return false
+    end
+
+    (Time.now.utc - time_sent).abs <= 30
+  end
+
+  def to_header_name(name)
+    name.split(/-/).map(&:capitalize).join('-')
+  end
+
+  def incompatible_signature?(signature_params)
+    signature_params['keyId'].blank? ||
+      signature_params['signature'].blank? ||
+      signature_params['algorithm'].blank? ||
+      signature_params['algorithm'] != 'rsa-sha256' ||
+      !signature_params['keyId'].start_with?('acct:')
+  end
+end
--- a/app/controllers/follower_accounts_controller.rb
+++ b/app/controllers/follower_accounts_controller.rb
@ -5,5 +5,25 @@ class FollowerAccountsController < ApplicationController

  def index
    @follows = Follow.where(target_account: @account).recent.page(params[:page]).per(FOLLOW_PER_PAGE).preload(:account)
+
+    respond_to do |format|
+      format.html
+
+      format.json do
+        render json: collection_presenter, serializer: ActivityPub::CollectionSerializer, adapter: ActivityPub::Adapter
+      end
+    end
+  end
+
+  private
+
+  def collection_presenter
+    ActivityPub::CollectionPresenter.new(
+      id: account_followers_url(@account),
+      type: :ordered,
+      current: account_followers_url(@account),
+      size: @account.followers_count,
+      items: @follows.map { |f| ActivityPub::TagManager.instance.uri_for(f.account) }
+    )
  end
 end
--- a/app/controllers/following_accounts_controller.rb
+++ b/app/controllers/following_accounts_controller.rb
@ -5,5 +5,25 @@ class FollowingAccountsController < ApplicationController

  def index
    @follows = Follow.where(account: @account).recent.page(params[:page]).per(FOLLOW_PER_PAGE).preload(:target_account)
+
+    respond_to do |format|
+      format.html
+
+      format.json do
+        render json: collection_presenter, serializer: ActivityPub::CollectionSerializer, adapter: ActivityPub::Adapter
+      end
+    end
+  end
+
+  private
+
+  def collection_presenter
+    ActivityPub::CollectionPresenter.new(
+      id: account_following_index_url(@account),
+      type: :ordered,
+      current: account_following_index_url(@account),
+      size: @account.following_count,
+      items: @follows.map { |f| ActivityPub::TagManager.instance.uri_for(f.target_account) }
+    )
  end
 end
--- a/app/controllers/home_controller.rb
+++ b/app/controllers/home_controller.rb
@ -22,6 +22,7 @@ class HomeController < ApplicationController
  def initial_state_params
    {
      settings: Web::Setting.find_by(user: current_user)&.data || {},
+      push_subscription: current_account.user.web_push_subscription(current_session),
      current_account: current_account,
      token: current_session.token,
      admin: Account.find_local(Setting.site_contact_username),
--- a/app/controllers/settings/preferences_controller.rb
+++ b/app/controllers/settings/preferences_controller.rb
@ -39,6 +39,7 @@ class Settings::PreferencesController < ApplicationController
      :setting_delete_modal,
      :setting_auto_play_gif,
      :setting_system_font_ui,
+      :setting_noindex,
      notification_emails: %i(follow follow_request reblog favourite mention digest),
      interactions: %i(must_be_follower must_be_following)
    )
--- a/app/controllers/statuses_controller.rb
+++ b/app/controllers/statuses_controller.rb
@ -11,10 +11,22 @@ class StatusesController < ApplicationController
  before_action :check_account_suspension

  def show
-    @ancestors   = @status.reply? ? cache_collection(@status.ancestors(current_account), Status) : []
-    @descendants = cache_collection(@status.descendants(current_account), Status)
+    respond_to do |format|
+      format.html do
+        @ancestors   = @status.reply? ? cache_collection(@status.ancestors(current_account), Status) : []
+        @descendants = cache_collection(@status.descendants(current_account), Status)

-    render 'stream_entries/show'
+        render 'stream_entries/show'
+      end
+
+      format.json do
+        render json: @status, serializer: ActivityPub::NoteSerializer, adapter: ActivityPub::Adapter
+      end
+    end
+  end
+
+  def activity
+    render json: @status, serializer: ActivityPub::ActivitySerializer, adapter: ActivityPub::Adapter
  end

  private
--- a/app/controllers/stream_entries_controller.rb
+++ b/app/controllers/stream_entries_controller.rb
@ -2,6 +2,7 @@

 class StreamEntriesController < ApplicationController
  include Authorization
+  include SignatureVerification

  layout 'public'

--- a/app/controllers/tags_controller.rb
+++ b/app/controllers/tags_controller.rb
@ -5,7 +5,27 @@ class TagsController < ApplicationController

  def show
    @tag      = Tag.find_by!(name: params[:id].downcase)
-    @statuses = @tag.nil? ? [] : Status.as_tag_timeline(@tag, current_account, params[:local]).paginate_by_max_id(20, params[:max_id])
+    @statuses = Status.as_tag_timeline(@tag, current_account, params[:local]).paginate_by_max_id(20, params[:max_id])
    @statuses = cache_collection(@statuses, Status)
+
+    respond_to do |format|
+      format.html
+
+      format.json do
+        render json: collection_presenter, serializer: ActivityPub::CollectionSerializer, adapter: ActivityPub::Adapter
+      end
+    end
+  end
+
+  private
+
+  def collection_presenter
+    ActivityPub::CollectionPresenter.new(
+      id: tag_url(@tag),
+      type: :ordered,
+      current: tag_url(@tag),
+      size: @tag.statuses.count,
+      items: @statuses.map { |s| ActivityPub::TagManager.instance.uri_for(s) }
+    )
  end
 end
--- a/app/helpers/activitystreams2_builder_helper.rb
+++ b/app/helpers/activitystreams2_builder_helper.rb
@ -1,8 +0,0 @@
-# frozen_string_literal: true
-
-module Activitystreams2BuilderHelper
-  # Gets a usable name for an account, using display name or username.
-  def account_name(account)
-    account.display_name.presence || account.username
-  end
-end
--- a/app/helpers/emoji_helper.rb
+++ b/app/helpers/emoji_helper.rb
@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+module EmojiHelper
+  EMOJI_PATTERN = /(?<=[^[:alnum:]:]|\n|^):([\w+-]+):(?=[^[:alnum:]:]|$)/x
+
+  def emojify(text)
+    return text if text.blank?
+
+    text.gsub(EMOJI_PATTERN) do |match|
+      emoji = Emoji.find_by_alias($1) # rubocop:disable Rails/DynamicFindBy,Style/PerlBackrefs
+
+      if emoji
+        emoji.raw
+      else
+        match
+      end
+    end
+  end
+end
--- a/app/helpers/http_helper.rb
+++ b/app/helpers/http_helper.rb
@ -1,17 +0,0 @@
-# frozen_string_literal: true
-
-module HttpHelper
-  def http_client(options = {})
-    timeout = { write: 10, connect: 10, read: 10 }.merge(options)
-
-    HTTP.headers(user_agent: user_agent)
-        .timeout(:per_operation, timeout)
-        .follow
-  end
-
-  private
-
-  def user_agent
-    @user_agent ||= "#{HTTP::Request::USER_AGENT} (Mastodon/#{Mastodon::Version}; +http://#{Rails.configuration.x.local_domain}/)"
-  end
-end
--- a/app/javascript/mastodon/actions/compose.js
+++ b/app/javascript/mastodon/actions/compose.js
@ -2,8 +2,6 @@ import api from '../api';

 import { updateTimeline } from './timelines';

-import * as emojione from 'emojione';
-
 export const COMPOSE_CHANGE          = 'COMPOSE_CHANGE';
 export const COMPOSE_SUBMIT_REQUEST  = 'COMPOSE_SUBMIT_REQUEST';
 export const COMPOSE_SUBMIT_SUCCESS  = 'COMPOSE_SUBMIT_SUCCESS';
@ -74,10 +72,12 @@ export function mentionCompose(account, router) {

 export function submitCompose() {
  return function (dispatch, getState) {
-    let status = emojione.shortnameToUnicode(getState().getIn(['compose', 'text'], ''));
+    const status = getState().getIn(['compose', 'text'], '');
+
    if (!status || !status.length) {
      return;
    }
+
    dispatch(submitComposeRequest());
    if (getState().getIn(['compose', 'advanced_options', 'do_not_federate'])) {
      status = status + ' 👁️';
--- a/app/javascript/mastodon/actions/push_notifications.js
+++ b/app/javascript/mastodon/actions/push_notifications.js
@ -0,0 +1,52 @@
+import axios from 'axios';
+
+export const SET_BROWSER_SUPPORT = 'PUSH_NOTIFICATIONS_SET_BROWSER_SUPPORT';
+export const SET_SUBSCRIPTION = 'PUSH_NOTIFICATIONS_SET_SUBSCRIPTION';
+export const CLEAR_SUBSCRIPTION = 'PUSH_NOTIFICATIONS_CLEAR_SUBSCRIPTION';
+export const ALERTS_CHANGE = 'PUSH_NOTIFICATIONS_ALERTS_CHANGE';
+
+export function setBrowserSupport (value) {
+  return {
+    type: SET_BROWSER_SUPPORT,
+    value,
+  };
+}
+
+export function setSubscription (subscription) {
+  return {
+    type: SET_SUBSCRIPTION,
+    subscription,
+  };
+}
+
+export function clearSubscription () {
+  return {
+    type: CLEAR_SUBSCRIPTION,
+  };
+}
+
+export function changeAlerts(key, value) {
+  return dispatch => {
+    dispatch({
+      type: ALERTS_CHANGE,
+      key,
+      value,
+    });
+
+    dispatch(saveSettings());
+  };
+}
+
+export function saveSettings() {
+  return (_, getState) => {
+    const state = getState().get('push_notifications');
+    const subscription = state.get('subscription');
+    const alerts = state.get('alerts');
+
+    axios.put(`/api/web/push_subscriptions/${subscription.get('id')}`, {
+      data: {
+        alerts,
+      },
+    });
+  };
+}
--- a/app/javascript/mastodon/components/extended_video_player.js
+++ b/app/javascript/mastodon/components/extended_video_player.js
@ -5,6 +5,8 @@ export default class ExtendedVideoPlayer extends React.PureComponent {

  static propTypes = {
    src: PropTypes.string.isRequired,
+    width: PropTypes.number,
+    height: PropTypes.number,
    time: PropTypes.number,
    controls: PropTypes.bool.isRequired,
    muted: PropTypes.bool.isRequired,
@ -30,7 +32,7 @@ export default class ExtendedVideoPlayer extends React.PureComponent {

  render () {
    return (
-      <div className='extended-video-player'>
+      <div className='extended-video-player' style={{ width: this.props.width, height: this.props.height }}>
        <video
          ref={this.setRef}
          src={this.props.src}
--- a/app/javascript/mastodon/components/load_more.js
+++ b/app/javascript/mastodon/components/load_more.js
@ -6,11 +6,18 @@ export default class LoadMore extends React.PureComponent {

  static propTypes = {
    onClick: PropTypes.func,
+    visible: PropTypes.bool,
+  }
+
+  static defaultProps = {
+    visible: true,
  }

  render() {
+    const { visible } = this.props;
+
    return (
-      <button className='load-more' onClick={this.props.onClick}>
+      <button className='load-more' disabled={!visible} style={{ opacity: visible ? 1 : 0 }} onClick={this.props.onClick}>
        <FormattedMessage id='status.load_more' defaultMessage='Load more' />
      </button>
    );
--- a/app/javascript/mastodon/components/status_list.js
+++ b/app/javascript/mastodon/components/status_list.js
@ -101,13 +101,9 @@ export default class StatusList extends ImmutablePureComponent {
  render () {
    const { statusIds, scrollKey, trackScroll, shouldUpdateScroll, isLoading, hasMore, prepend, emptyMessage } = this.props;

-    let loadMore       = null;
+    const loadMore     = <LoadMore visible={!isLoading && statusIds.size > 0 && hasMore} onClick={this.handleLoadMore} />;
    let scrollableArea = null;

-    if (!isLoading && statusIds.size > 0 && hasMore) {
-      loadMore = <LoadMore onClick={this.handleLoadMore} />;
-    }
-
    if (isLoading || statusIds.size > 0 || !emptyMessage) {
      scrollableArea = (
        <div className='scrollable' ref={this.setRef}>
--- a/app/javascript/mastodon/emoji.js
+++ b/app/javascript/mastodon/emoji.js
@ -1,49 +1,28 @@
-import emojione from 'emojione';
+import { unicodeToFilename } from './emojione_light';
 import Trie from 'substring-trie';

-const mappedUnicode = emojione.mapUnicodeToShort();
-const trie = new Trie(Object.keys(emojione.jsEscapeMap));
+const trie = new Trie(Object.keys(unicodeToFilename));

 function emojify(str) {
  // This walks through the string from start to end, ignoring any tags (<p>, <br>, etc.)
-  // and replacing valid shortnames like :smile: and :wink: as well as unicode strings
+  // and replacing valid unicode strings
  // that _aren't_ within tags with an <img> version.
-  // The goal is to be the same as an emojione.regShortNames/regUnicode replacement, but faster.
+  // The goal is to be the same as an emojione.regUnicode replacement, but faster.
  let i = -1;
  let insideTag = false;
-  let insideShortname = false;
-  let shortnameStartIndex = -1;
  let match;
  while (++i < str.length) {
    const char = str.charAt(i);
-    if (insideShortname && char === ':') {
-      const shortname = str.substring(shortnameStartIndex, i + 1);
-      if (shortname in emojione.emojioneList) {
-        const unicode = emojione.emojioneList[shortname].unicode[emojione.emojioneList[shortname].unicode.length - 1];
-        const alt = emojione.convert(unicode.toUpperCase());
-        const replacement = `<img draggable="false" class="emojione" alt="${alt}" title="${shortname}" src="/emoji/${unicode}.svg" />`;
-        str = str.substring(0, shortnameStartIndex) + replacement + str.substring(i + 1);
-        i += (replacement.length - shortname.length - 1); // jump ahead the length we've added to the string
-      } else {
-        i--; // stray colon, try again
-      }
-      insideShortname = false;
-    } else if (insideTag && char === '>') {
+    if (insideTag && char === '>') {
      insideTag = false;
    } else if (char === '<') {
      insideTag = true;
-      insideShortname = false;
-    } else if (!insideTag && char === ':') {
-      insideShortname = true;
-      shortnameStartIndex = i;
    } else if (!insideTag && (match = trie.search(str.substring(i)))) {
      const unicodeStr = match;
-      if (unicodeStr in emojione.jsEscapeMap) {
-        const unicode  = emojione.jsEscapeMap[unicodeStr];
-        const short    = mappedUnicode[unicode];
-        const filename = emojione.emojioneList[short].fname;
-        const alt      = emojione.convert(unicode.toUpperCase());
-        const replacement =  `<img draggable="false" class="emojione" alt="${alt}" title="${short}" src="/emoji/${filename}.svg" />`;
+      if (unicodeStr in unicodeToFilename) {
+        const filename = unicodeToFilename[unicodeStr];
+        const alt      = unicodeStr;
+        const replacement =  `<img draggable="false" class="emojione" alt="${alt}" src="/emoji/${filename}.svg" />`;
        str = str.substring(0, i) + replacement + str.substring(i + unicodeStr.length);
        i += (replacement.length - unicodeStr.length); // jump ahead the length we've added to the string
      }
--- a/app/javascript/mastodon/emojione_light.js
+++ b/app/javascript/mastodon/emojione_light.js
@ -0,0 +1,11 @@
+// @preval
+// Force tree shaking on emojione by exposing just a subset of its functionality
+
+const emojione = require('emojione');
+
+const mappedUnicode = emojione.mapUnicodeToShort();
+
+module.exports.unicodeToFilename = Object.keys(emojione.jsEscapeMap)
+  .map(unicodeStr => [unicodeStr, mappedUnicode[emojione.jsEscapeMap[unicodeStr]]])
+  .map(([unicodeStr, shortCode]) => ({ [unicodeStr]: emojione.emojioneList[shortCode].fname }))
+  .reduce((x, y) => Object.assign(x, y), { });
--- a/app/javascript/mastodon/extra_polyfills.js
+++ b/app/javascript/mastodon/extra_polyfills.js
@ -1,2 +1,5 @@
 import 'intersection-observer';
 import 'requestidlecallback';
+import objectFitImages  from 'object-fit-images';
+
+objectFitImages();
--- a/app/javascript/mastodon/features/compose/components/compose_form.js
+++ b/app/javascript/mastodon/features/compose/components/compose_form.js
@ -140,7 +140,8 @@ export default class ComposeForm extends ImmutablePureComponent {

  handleEmojiPick = (data) => {
    const position     = this.autosuggestTextarea.textarea.selectionStart;
-    this._restoreCaret = position + data.shortname.length + 1;
+    const emojiChar    = String.fromCodePoint(parseInt(data.unicode, 16));
+    this._restoreCaret = position + emojiChar.length + 1;
    this.props.onPickEmoji(position, data);
  }

--- a/app/javascript/mastodon/features/compose/components/emoji_picker_dropdown.js
+++ b/app/javascript/mastodon/features/compose/components/emoji_picker_dropdown.js
@ -109,11 +109,12 @@ export default class EmojiPickerDropdown extends React.PureComponent {
      <Dropdown ref={this.setRef} className='emoji-picker__dropdown' onShow={this.onShowDropdown} onHide={this.onHideDropdown}>
        <DropdownTrigger className='emoji-button' title={intl.formatMessage(messages.emoji)}>
          <img
-            draggable='false'
            className={`emojione ${active && loading ? 'pulse-loading' : ''}`}
-            alt='🙂' src='/emoji/1f602.svg'
+            alt='🙂'
+            src='/emoji/1f602.svg'
          />
        </DropdownTrigger>
+
        <DropdownContent className='dropdown__left'>
          {
            this.state.active && !this.state.loading &&
--- a/app/javascript/mastodon/features/favourited_statuses/index.js
+++ b/app/javascript/mastodon/features/favourited_statuses/index.js
@ -2,11 +2,11 @@ import React from 'react';
 import { connect } from 'react-redux';
 import PropTypes from 'prop-types';
 import ImmutablePropTypes from 'react-immutable-proptypes';
-import LoadingIndicator from '../../components/loading_indicator';
 import { fetchFavouritedStatuses, expandFavouritedStatuses } from '../../actions/favourites';
 import Column from '../ui/components/column';
+import ColumnHeader from '../../components/column_header';
+import { addColumn, removeColumn, moveColumn } from '../../actions/columns';
 import StatusList from '../../components/status_list';
-import ColumnBackButtonSlim from '../../components/column_back_button_slim';
 import { defineMessages, injectIntl } from 'react-intl';
 import ImmutablePureComponent from 'react-immutable-pure-component';

@ -16,8 +16,6 @@ const messages = defineMessages({

 const mapStateToProps = state => ({
  statusIds: state.getIn(['status_lists', 'favourites', 'items']),
-  loaded: state.getIn(['status_lists', 'favourites', 'loaded']),
-  me: state.getIn(['meta', 'me']),
 });

@connect(mapStateToProps)
@ -27,34 +25,64 @@ export default class Favourites extends ImmutablePureComponent {
  static propTypes = {
    dispatch: PropTypes.func.isRequired,
    statusIds: ImmutablePropTypes.list.isRequired,
-    loaded: PropTypes.bool,
    intl: PropTypes.object.isRequired,
-    me: PropTypes.number.isRequired,
+    columnId: PropTypes.string,
+    multiColumn: PropTypes.bool,
  };

  componentWillMount () {
    this.props.dispatch(fetchFavouritedStatuses());
  }

+  handlePin = () => {
+    const { columnId, dispatch } = this.props;
+
+    if (columnId) {
+      dispatch(removeColumn(columnId));
+    } else {
+      dispatch(addColumn('FAVOURITES', {}));
+    }
+  }
+
+  handleMove = (dir) => {
+    const { columnId, dispatch } = this.props;
+    dispatch(moveColumn(columnId, dir));
+  }
+
+  handleHeaderClick = () => {
+    this.column.scrollTop();
+  }
+
+  setRef = c => {
+    this.column = c;
+  }
+
  handleScrollToBottom = () => {
    this.props.dispatch(expandFavouritedStatuses());
  }

  render () {
-    const { loaded, intl } = this.props;
-
-    if (!loaded) {
-      return (
-        <Column>
-          <LoadingIndicator />
-        </Column>
-      );
-    }
+    const { intl, statusIds, columnId, multiColumn } = this.props;
+    const pinned = !!columnId;

    return (
-      <Column icon='star' heading={intl.formatMessage(messages.heading)}>
-        <ColumnBackButtonSlim />
-        <StatusList {...this.props} scrollKey='favourited_statuses' onScrollToBottom={this.handleScrollToBottom} />
+      <Column ref={this.setRef}>
+        <ColumnHeader
+          icon='star'
+          title={intl.formatMessage(messages.heading)}
+          onPin={this.handlePin}
+          onMove={this.handleMove}
+          onClick={this.handleHeaderClick}
+          pinned={pinned}
+          multiColumn={multiColumn}
+        />
+
+        <StatusList
+          trackScroll={!pinned}
+          statusIds={statusIds}
+          scrollKey={`favourited_statuses-${columnId}`}
+          onScrollToBottom={this.handleScrollToBottom}
+        />
      </Column>
    );
  }
--- a/app/javascript/mastodon/features/notifications/components/column_settings.js
+++ b/app/javascript/mastodon/features/notifications/components/column_settings.js
@ -9,18 +9,27 @@ export default class ColumnSettings extends React.PureComponent {

  static propTypes = {
    settings: ImmutablePropTypes.map.isRequired,
+    pushSettings: ImmutablePropTypes.map.isRequired,
    onChange: PropTypes.func.isRequired,
    onSave: PropTypes.func.isRequired,
    onClear: PropTypes.func.isRequired,
  };

+  onPushChange = (key, checked) => {
+    this.props.onChange(['push', ...key], checked);
+  }
+
  render () {
-    const { settings, onChange, onClear } = this.props;
+    const { settings, pushSettings, onChange, onClear } = this.props;

    const alertStr = <FormattedMessage id='notifications.column_settings.alert' defaultMessage='Desktop notifications' />;
    const showStr  = <FormattedMessage id='notifications.column_settings.show' defaultMessage='Show in column' />;
    const soundStr = <FormattedMessage id='notifications.column_settings.sound' defaultMessage='Play sound' />;

+    const showPushSettings = pushSettings.get('browserSupport') && pushSettings.get('isSubscribed');
+    const pushStr = showPushSettings && <FormattedMessage id='notifications.column_settings.push' defaultMessage='Push notifications' />;
+    const pushMeta = showPushSettings && <FormattedMessage id='notifications.column_settings.push_meta' defaultMessage='This device' />;
+
    return (
      <div>
        <div className='column-settings__row'>
@ -30,7 +39,8 @@ export default class ColumnSettings extends React.PureComponent {
        <span className='column-settings__section'><FormattedMessage id='notifications.column_settings.follow' defaultMessage='New followers:' /></span>

        <div className='column-settings__row'>
-          <SettingToggle prefix='notifications' settings={settings} settingKey={['alerts', 'follow']} onChange={onChange} label={alertStr} />
+          <SettingToggle prefix='notifications_desktop' settings={settings} settingKey={['alerts', 'follow']} onChange={onChange} label={alertStr} />
+          {showPushSettings && <SettingToggle prefix='notifications_push' settings={pushSettings} settingKey={['alerts', 'follow']} meta={pushMeta} onChange={this.onPushChange} label={pushStr} />}
          <SettingToggle prefix='notifications' settings={settings} settingKey={['shows', 'follow']} onChange={onChange} label={showStr} />
          <SettingToggle prefix='notifications' settings={settings} settingKey={['sounds', 'follow']} onChange={onChange} label={soundStr} />
        </div>
@ -38,7 +48,8 @@ export default class ColumnSettings extends React.PureComponent {
        <span className='column-settings__section'><FormattedMessage id='notifications.column_settings.favourite' defaultMessage='Favourites:' /></span>

        <div className='column-settings__row'>
-          <SettingToggle prefix='notifications' settings={settings} settingKey={['alerts', 'favourite']} onChange={onChange} label={alertStr} />
+          <SettingToggle prefix='notifications_desktop' settings={settings} settingKey={['alerts', 'favourite']} onChange={onChange} label={alertStr} />
+          {showPushSettings && <SettingToggle prefix='notifications_push' settings={pushSettings} settingKey={['alerts', 'favourite']} meta={pushMeta} onChange={this.onPushChange} label={pushStr} />}
          <SettingToggle prefix='notifications' settings={settings} settingKey={['shows', 'favourite']} onChange={onChange} label={showStr} />
          <SettingToggle prefix='notifications' settings={settings} settingKey={['sounds', 'favourite']} onChange={onChange} label={soundStr} />
        </div>
@ -46,7 +57,8 @@ export default class ColumnSettings extends React.PureComponent {
        <span className='column-settings__section'><FormattedMessage id='notifications.column_settings.mention' defaultMessage='Mentions:' /></span>

        <div className='column-settings__row'>
-          <SettingToggle prefix='notifications' settings={settings} settingKey={['alerts', 'mention']} onChange={onChange} label={alertStr} />
+          <SettingToggle prefix='notifications_desktop' settings={settings} settingKey={['alerts', 'mention']} onChange={onChange} label={alertStr} />
+          {showPushSettings && <SettingToggle prefix='notifications_push' settings={pushSettings} settingKey={['alerts', 'mention']} meta={pushMeta} onChange={this.onPushChange} label={pushStr} />}
          <SettingToggle prefix='notifications' settings={settings} settingKey={['shows', 'mention']} onChange={onChange} label={showStr} />
          <SettingToggle prefix='notifications' settings={settings} settingKey={['sounds', 'mention']} onChange={onChange} label={soundStr} />
        </div>
@ -54,7 +66,8 @@ export default class ColumnSettings extends React.PureComponent {
        <span className='column-settings__section'><FormattedMessage id='notifications.column_settings.reblog' defaultMessage='Boosts:' /></span>

        <div className='column-settings__row'>
-          <SettingToggle prefix='notifications' settings={settings} settingKey={['alerts', 'reblog']} onChange={onChange} label={alertStr} />
+          <SettingToggle prefix='notifications_desktop' settings={settings} settingKey={['alerts', 'reblog']} onChange={onChange} label={alertStr} />
+          {showPushSettings && <SettingToggle prefix='notifications_push' settings={pushSettings} settingKey={['alerts', 'reblog']} meta={pushMeta} onChange={this.onPushChange} label={pushStr} />}
          <SettingToggle prefix='notifications' settings={settings} settingKey={['shows', 'reblog']} onChange={onChange} label={showStr} />
          <SettingToggle prefix='notifications' settings={settings} settingKey={['sounds', 'reblog']} onChange={onChange} label={soundStr} />
        </div>
--- a/app/javascript/mastodon/features/notifications/components/setting_toggle.js
+++ b/app/javascript/mastodon/features/notifications/components/setting_toggle.js
@ -10,6 +10,7 @@ export default class SettingToggle extends React.PureComponent {
    settings: ImmutablePropTypes.map.isRequired,
    settingKey: PropTypes.array.isRequired,
    label: PropTypes.node.isRequired,
+    meta: PropTypes.node,
    onChange: PropTypes.func.isRequired,
  }

@ -18,13 +19,14 @@ export default class SettingToggle extends React.PureComponent {
  }

  render () {
-    const { prefix, settings, settingKey, label } = this.props;
+    const { prefix, settings, settingKey, label, meta } = this.props;
    const id = ['setting-toggle', prefix, ...settingKey].filter(Boolean).join('-');

    return (
      <div className='setting-toggle'>
        <Toggle id={id} checked={settings.getIn(settingKey)} onChange={this.onChange} />
        <label htmlFor={id} className='setting-toggle__label'>{label}</label>
+        {meta && <span className='setting-meta__label'>{meta}</span>}
      </div>
    );
  }
--- a/app/javascript/mastodon/features/notifications/containers/column_settings_container.js
+++ b/app/javascript/mastodon/features/notifications/containers/column_settings_container.js
@ -3,6 +3,7 @@ import { defineMessages, injectIntl } from 'react-intl';
 import ColumnSettings from '../components/column_settings';
 import { changeSetting, saveSettings } from '../../../actions/settings';
 import { clearNotifications } from '../../../actions/notifications';
+import { changeAlerts as changePushNotifications, saveSettings as savePushNotificationSettings } from '../../../actions/push_notifications';
 import { openModal } from '../../../actions/modal';

 const messages = defineMessages({
@ -12,16 +13,22 @@ const messages = defineMessages({

 const mapStateToProps = state => ({
  settings: state.getIn(['settings', 'notifications']),
+  pushSettings: state.get('push_notifications'),
 });

 const mapDispatchToProps = (dispatch, { intl }) => ({

  onChange (key, checked) {
-    dispatch(changeSetting(['notifications', ...key], checked));
+    if (key[0] === 'push') {
+      dispatch(changePushNotifications(key.slice(1), checked));
+    } else {
+      dispatch(changeSetting(['notifications', ...key], checked));
+    }
  },

  onSave () {
    dispatch(saveSettings());
+    dispatch(savePushNotificationSettings());
  },

  onClear () {
--- a/app/javascript/mastodon/features/ui/components/columns_area.js
+++ b/app/javascript/mastodon/features/ui/components/columns_area.js
@ -9,7 +9,7 @@ import { links, getIndex, getLink } from './tabs_bar';
 import BundleContainer from '../containers/bundle_container';
 import ColumnLoading from './column_loading';
 import BundleColumnError from './bundle_column_error';
-import { Compose, Notifications, HomeTimeline, CommunityTimeline, PublicTimeline, HashtagTimeline } from '../../ui/util/async-components';
+import { Compose, Notifications, HomeTimeline, CommunityTimeline, PublicTimeline, HashtagTimeline, FavouritedStatuses } from '../../ui/util/async-components';

 const componentMap = {
  'COMPOSE': Compose,
@ -18,6 +18,7 @@ const componentMap = {
  'PUBLIC': PublicTimeline,
  'COMMUNITY': CommunityTimeline,
  'HASHTAG': HashtagTimeline,
+  'FAVOURITES': FavouritedStatuses,
 };

 export default class ColumnsArea extends ImmutablePureComponent {
@ -32,12 +33,33 @@ export default class ColumnsArea extends ImmutablePureComponent {
    children: PropTypes.node,
  };

+  state = {
+    shouldAnimate: false,
+  }
+
+  componentWillReceiveProps() {
+    this.setState({ shouldAnimate: false });
+  }
+
+  componentDidMount() {
+    this.lastIndex = getIndex(this.context.router.history.location.pathname);
+    this.setState({ shouldAnimate: true });
+  }
+
+  componentDidUpdate() {
+    this.lastIndex = getIndex(this.context.router.history.location.pathname);
+    this.setState({ shouldAnimate: true });
+  }
+
  handleSwipe = (index) => {
-    window.requestAnimationFrame(() => {
-      window.requestAnimationFrame(() => {
-        this.context.router.history.push(getLink(index));
-      });
-    });
+    this.pendingIndex = index;
+  }
+
+  handleAnimationEnd = () => {
+    if (typeof this.pendingIndex === 'number') {
+      this.context.router.history.push(getLink(this.pendingIndex));
+      this.pendingIndex = null;
+    }
  }

  renderView = (link, index) => {
@ -66,12 +88,14 @@ export default class ColumnsArea extends ImmutablePureComponent {

  render () {
    const { columns, children, singleColumn } = this.props;
+    const { shouldAnimate } = this.state;

    const columnIndex = getIndex(this.context.router.history.location.pathname);
+    this.pendingIndex = null;

    if (singleColumn) {
      return columnIndex !== -1 ? (
-        <ReactSwipeableViews index={columnIndex} onChangeIndex={this.handleSwipe} animateTransitions={false} style={{ height: '100%' }}>
+        <ReactSwipeableViews index={columnIndex} onChangeIndex={this.handleSwipe} onTransitionEnd={this.handleAnimationEnd} animateTransitions={shouldAnimate} springConfig={{ duration: '400ms', delay: '0s', easeFunction: 'ease' }} style={{ height: '100%' }}>
          {links.map(this.renderView)}
        </ReactSwipeableViews>
      ) : <div className='columns-area'>{children}</div>;
--- a/app/javascript/mastodon/features/ui/components/media_modal.js
+++ b/app/javascript/mastodon/features/ui/components/media_modal.js
@ -65,8 +65,6 @@ export default class MediaModal extends ImmutablePureComponent {
    const { media, intl, onClose } = this.props;

    const index = this.getIndex();
-    const attachment = media.get(index);
-    const url = attachment.get('url');

    let leftNav, rightNav, content;

@ -77,16 +75,18 @@ export default class MediaModal extends ImmutablePureComponent {
      rightNav = <div role='button' tabIndex='0' className='modal-container__nav  modal-container__nav--right' onClick={this.handleNextClick}><i className='fa fa-fw fa-chevron-right' /></div>;
    }

-    if (attachment.get('type') === 'image') {
-      content = media.map((image) => {
-        const width  = image.getIn(['meta', 'original', 'width']) || null;
-        const height = image.getIn(['meta', 'original', 'height']) || null;
+    content = media.map((image) => {
+      const width  = image.getIn(['meta', 'original', 'width']) || null;
+      const height = image.getIn(['meta', 'original', 'height']) || null;

+      if (image.get('type') === 'image') {
        return <ImageLoader previewSrc={image.get('preview_url')} src={image.get('url')} width={width} height={height} key={image.get('preview_url')} />;
-      }).toArray();
-    } else if (attachment.get('type') === 'gifv') {
-      content = <ExtendedVideoPlayer src={url} muted controls={false} />;
-    }
+      } else if (image.get('type') === 'gifv') {
+        return <ExtendedVideoPlayer src={image.get('url')} muted controls={false} width={width} height={height} key={image.get('preview_url')} />;
+      }
+
+      return null;
+    }).toArray();

    return (
      <div className='modal-root__modal media-modal'>
--- a/app/javascript/mastodon/features/ui/components/modal_root.js
+++ b/app/javascript/mastodon/features/ui/components/modal_root.js
@ -56,12 +56,6 @@ export default class ModalRoot extends React.PureComponent {
    return { opacity: spring(0), scale: spring(0.98) };
  }

-  renderModal = (SpecificComponent) => {
-    const { props, onClose } = this.props;
-
-    return <SpecificComponent {...props} onClose={onClose} />;
-  }
-
  renderLoading = () => {
    return <ModalLoading />;
  }
@ -97,7 +91,9 @@ export default class ModalRoot extends React.PureComponent {
              <div key={key} style={{ pointerEvents: visible ? 'auto' : 'none' }}>
                <div role='presentation' className='modal-root__overlay' style={{ opacity: style.opacity }} onClick={onClose} />
                <div className='modal-root__container' style={{ opacity: style.opacity, transform: `translateZ(0px) scale(${style.scale})` }}>
-                  <BundleContainer fetchComponent={MODAL_COMPONENTS[type]} loading={this.renderLoading} error={this.renderError} renderDelay={200}>{this.renderModal}</BundleContainer>
+                  <BundleContainer fetchComponent={MODAL_COMPONENTS[type]} loading={this.renderLoading} error={this.renderError} renderDelay={200}>
+                    {(SpecificComponent) => <SpecificComponent {...props} onClose={onClose} />}
+                  </BundleContainer>
                </div>
              </div>
            ))}
--- a/app/javascript/mastodon/load_polyfills.js
+++ b/app/javascript/mastodon/load_polyfills.js
@ -20,11 +20,12 @@ function loadPolyfills() {
  );

  // Latest version of Firefox and Safari do not have IntersectionObserver.
-  // Edge does not have requestIdleCallback.
+  // Edge does not have requestIdleCallback and object-fit CSS property.
  // This avoids shipping them all the polyfills.
  const needsExtraPolyfills = !(
    window.IntersectionObserver &&
-    window.requestIdleCallback
+    window.requestIdleCallback &&
+    'object-fit' in (new Image()).style
  );

  return Promise.all([
--- a/app/javascript/mastodon/locales/ar.json
+++ b/app/javascript/mastodon/locales/ar.json
@ -109,6 +109,8 @@
  "notifications.column_settings.favourite": "المُفَضَّلة :",
  "notifications.column_settings.follow": "متابعُون جُدُد :",
  "notifications.column_settings.mention": "الإشارات :",
+  "notifications.column_settings.push": "Push notifications",
+  "notifications.column_settings.push_meta": "This device",
  "notifications.column_settings.reblog": "الترقيّات:",
  "notifications.column_settings.show": "إعرِضها في عمود",
  "notifications.column_settings.sound": "أصدر صوتا",
@ -147,6 +149,7 @@
  "report.target": "إبلاغ",
  "search.placeholder": "ابحث",
  "search_results.total": "{count, number} {count, plural, one {result} other {results}}",
+  "standalone.public_title": "A look inside...",
  "status.cannot_reblog": "تعذرت ترقية هذا المنشور",
  "status.delete": "إحذف",
  "status.favourite": "أضف إلى المفضلة",
--- a/app/javascript/mastodon/locales/bg.json
+++ b/app/javascript/mastodon/locales/bg.json
@ -109,6 +109,8 @@
  "notifications.column_settings.favourite": "Предпочитани:",
  "notifications.column_settings.follow": "Нови последователи:",
  "notifications.column_settings.mention": "Споменавания:",
+  "notifications.column_settings.push": "Push notifications",
+  "notifications.column_settings.push_meta": "This device",
  "notifications.column_settings.reblog": "Споделяния:",
  "notifications.column_settings.show": "Покажи в колона",
  "notifications.column_settings.sound": "Play sound",
@ -147,6 +149,7 @@
  "report.target": "Reporting",
  "search.placeholder": "Търсене",
  "search_results.total": "{count, number} {count, plural, one {result} other {results}}",
+  "standalone.public_title": "A look inside...",
  "status.cannot_reblog": "This post cannot be boosted",
  "status.delete": "Изтриване",
  "status.favourite": "Предпочитани",
--- a/app/javascript/mastodon/locales/ca.json
+++ b/app/javascript/mastodon/locales/ca.json
@ -109,6 +109,8 @@
  "notifications.column_settings.favourite": "Favorits:",
  "notifications.column_settings.follow": "Nous seguidors:",
  "notifications.column_settings.mention": "Mencions:",
+  "notifications.column_settings.push": "Push notifications",
+  "notifications.column_settings.push_meta": "This device",
  "notifications.column_settings.reblog": "Boosts:",
  "notifications.column_settings.show": "Mostrar en la columna",
  "notifications.column_settings.sound": "Reproduïr so",
@ -147,6 +149,7 @@
  "report.target": "Informes",
  "search.placeholder": "Cercar",
  "search_results.total": "{count, number} {count, plural, one {result} other {results}}",
+  "standalone.public_title": "A look inside...",
  "status.cannot_reblog": "Aquesta publicació no pot ser retootejada",
  "status.delete": "Esborrar",
  "status.favourite": "Favorit",
--- a/app/javascript/mastodon/locales/de.json
+++ b/app/javascript/mastodon/locales/de.json
@ -109,6 +109,8 @@
  "notifications.column_settings.favourite": "Favorisierungen:",
  "notifications.column_settings.follow": "Neue Folgende:",
  "notifications.column_settings.mention": "Erwähnungen:",
+  "notifications.column_settings.push": "Push notifications",
+  "notifications.column_settings.push_meta": "This device",
  "notifications.column_settings.reblog": "Geteilte Beiträge:",
  "notifications.column_settings.show": "In der Spalte anzeigen",
  "notifications.column_settings.sound": "Ton abspielen",
@ -147,6 +149,7 @@
  "report.target": "Melden",
  "search.placeholder": "Suche",
  "search_results.total": "{count, number} {count, plural, one {Ergebnis} other {Ergebnisse}}",
+  "standalone.public_title": "A look inside...",
  "status.cannot_reblog": "This post cannot be boosted",
  "status.delete": "Löschen",
  "status.favourite": "Favorisieren",
--- a/app/javascript/mastodon/locales/defaultMessages.json
+++ b/app/javascript/mastodon/locales/defaultMessages.json
@ -889,6 +889,14 @@
        "defaultMessage": "Play sound",
        "id": "notifications.column_settings.sound"
      },
+      {
+        "defaultMessage": "Push notifications",
+        "id": "notifications.column_settings.push"
+      },
+      {
+        "defaultMessage": "This device",
+        "id": "notifications.column_settings.push_meta"
+      },
      {
        "defaultMessage": "New followers:",
        "id": "notifications.column_settings.follow"
@ -964,6 +972,15 @@
    ],
    "path": "app/javascript/mastodon/features/public_timeline/index.json"
  },
+  {
+    "descriptors": [
+      {
+        "defaultMessage": "A look inside...",
+        "id": "standalone.public_title"
+      }
+    ],
+    "path": "app/javascript/mastodon/features/standalone/public_timeline/index.json"
+  },
  {
    "descriptors": [
      {
--- a/app/javascript/mastodon/locales/en.json
+++ b/app/javascript/mastodon/locales/en.json
@ -114,6 +114,8 @@
  "notifications.column_settings.favourite": "Favourites:",
  "notifications.column_settings.follow": "New followers:",
  "notifications.column_settings.mention": "Mentions:",
+  "notifications.column_settings.push": "Push notifications",
+  "notifications.column_settings.push_meta": "This device",
  "notifications.column_settings.reblog": "Boosts:",
  "notifications.column_settings.show": "Show in column",
  "notifications.column_settings.sound": "Play sound",
@ -170,6 +172,7 @@
  "settings.media_fullwidth": "Full-width media previews",
  "settings.preferences": "User preferences",
  "settings.wide_view": "Wide view (Desktop mode only)",
+  "standalone.public_title": "A look inside...",
  "status.cannot_reblog": "This post cannot be boosted",
  "status.collapse": "Collapse",
  "status.delete": "Delete",
--- a/app/javascript/mastodon/locales/eo.json
+++ b/app/javascript/mastodon/locales/eo.json
@ -109,6 +109,8 @@
  "notifications.column_settings.favourite": "Favoroj:",
  "notifications.column_settings.follow": "Novaj sekvantoj:",
  "notifications.column_settings.mention": "Mencioj:",
+  "notifications.column_settings.push": "Push notifications",
+  "notifications.column_settings.push_meta": "This device",
  "notifications.column_settings.reblog": "Diskonigoj:",
  "notifications.column_settings.show": "Montri en kolono",
  "notifications.column_settings.sound": "Play sound",
@ -147,6 +149,7 @@
  "report.target": "Reporting",
  "search.placeholder": "Serĉi",
  "search_results.total": "{count, number} {count, plural, one {result} other {results}}",
+  "standalone.public_title": "A look inside...",
  "status.cannot_reblog": "This post cannot be boosted",
  "status.delete": "Forigi",
  "status.favourite": "Favori",
--- a/app/javascript/mastodon/locales/es.json
+++ b/app/javascript/mastodon/locales/es.json
@ -109,6 +109,8 @@
  "notifications.column_settings.favourite": "Favoritos:",
  "notifications.column_settings.follow": "Nuevos seguidores:",
  "notifications.column_settings.mention": "Menciones:",
+  "notifications.column_settings.push": "Push notifications",
+  "notifications.column_settings.push_meta": "This device",
  "notifications.column_settings.reblog": "Retoots:",
  "notifications.column_settings.show": "Mostrar en columna",
  "notifications.column_settings.sound": "Play sound",
@ -147,6 +149,7 @@
  "report.target": "Reporting",
  "search.placeholder": "Buscar",
  "search_results.total": "{count, number} {count, plural, one {result} other {results}}",
+  "standalone.public_title": "A look inside...",
  "status.cannot_reblog": "This post cannot be boosted",
  "status.delete": "Borrar",
  "status.favourite": "Favorito",
--- a/app/javascript/mastodon/locales/fa.json
+++ b/app/javascript/mastodon/locales/fa.json
@ -109,6 +109,8 @@
  "notifications.column_settings.favourite": "پسندیده‌ها:",
  "notifications.column_settings.follow": "پیگیران تازه:",
  "notifications.column_settings.mention": "نام‌بردن‌ها:",
+  "notifications.column_settings.push": "Push notifications",
+  "notifications.column_settings.push_meta": "This device",
  "notifications.column_settings.reblog": "بازبوق‌ها:",
  "notifications.column_settings.show": "نمایش در ستون",
  "notifications.column_settings.sound": "پخش صدا",
@ -147,6 +149,7 @@
  "report.target": "گزارش‌دادن",
  "search.placeholder": "جستجو",
  "search_results.total": "{count, number} {count, plural, one {نتیجه} other {نتیجه}}",
+  "standalone.public_title": "A look inside...",
  "status.cannot_reblog": "این نوشته را نمی‌شود بازبوقید",
  "status.delete": "پاک‌کردن",
  "status.favourite": "پسندیدن",
--- a/app/javascript/mastodon/locales/fi.json
+++ b/app/javascript/mastodon/locales/fi.json
@ -109,6 +109,8 @@
  "notifications.column_settings.favourite": "Tykkäyksiä:",
  "notifications.column_settings.follow": "Uusia seuraajia:",
  "notifications.column_settings.mention": "Mainintoja:",
+  "notifications.column_settings.push": "Push notifications",
+  "notifications.column_settings.push_meta": "This device",
  "notifications.column_settings.reblog": "Buusteja:",
  "notifications.column_settings.show": "Näytä sarakkeessa",
  "notifications.column_settings.sound": "Play sound",
@ -147,6 +149,7 @@
  "report.target": "Reporting",
  "search.placeholder": "Hae",
  "search_results.total": "{count, number} {count, plural, one {result} other {results}}",
+  "standalone.public_title": "A look inside...",
  "status.cannot_reblog": "This post cannot be boosted",
  "status.delete": "Poista",
  "status.favourite": "Tykkää",
--- a/app/javascript/mastodon/locales/fr.json
+++ b/app/javascript/mastodon/locales/fr.json
@ -29,7 +29,7 @@
  "column.favourites": "Favoris",
  "column.follow_requests": "Demandes de suivi",
  "column.home": "Accueil",
-  "column.mutes": "Comptes silencés",
+  "column.mutes": "Comptes masqués",
  "column.notifications": "Notifications",
  "column.public": "Fil public global",
  "column_back_button.label": "Retour",
@ -52,9 +52,9 @@
  "confirmations.delete.confirm": "Supprimer",
  "confirmations.delete.message": "Confirmez vous la suppression de ce pouet ?",
  "confirmations.domain_block.confirm": "Masquer le domaine entier",
-  "confirmations.domain_block.message": "Êtes-vous vraiment, vraiment sûr⋅e de vouloir bloquer {domain} en entier ? Dans la plupart des cas, quelques blocages ou silenciations ciblés sont suffisants et préférables.",
-  "confirmations.mute.confirm": "Silencer",
-  "confirmations.mute.message": "Confirmez vous la silenciation {name} ?",
+  "confirmations.domain_block.message": "Êtes-vous vraiment, vraiment sûr⋅e de vouloir bloquer {domain} en entier ? Dans la plupart des cas, quelques blocages ou masquages ciblés sont suffisants et préférables.",
+  "confirmations.mute.confirm": "Masquer",
+  "confirmations.mute.message": "Confirmez vous le masquage de {name} ?",
  "emoji_button.activity": "Activités",
  "emoji_button.flags": "Drapeaux",
  "emoji_button.food": "Boire et manger",
@ -96,7 +96,7 @@
  "navigation_bar.follow_requests": "Demandes de suivi",
  "navigation_bar.info": "Plus d’informations",
  "navigation_bar.logout": "Déconnexion",
-  "navigation_bar.mutes": "Comptes silencés",
+  "navigation_bar.mutes": "Comptes masqués",
  "navigation_bar.preferences": "Préférences",
  "navigation_bar.public_timeline": "Fil public global",
  "notification.favourite": "{name} a ajouté à ses favoris :",
@ -109,6 +109,8 @@
  "notifications.column_settings.favourite": "Favoris :",
  "notifications.column_settings.follow": "Nouveaux⋅elles abonn⋅é⋅s :",
  "notifications.column_settings.mention": "Mentions :",
+  "notifications.column_settings.push": "Push notifications",
+  "notifications.column_settings.push_meta": "This device",
  "notifications.column_settings.reblog": "Partages :",
  "notifications.column_settings.show": "Afficher dans la colonne",
  "notifications.column_settings.sound": "Émettre un son",
@ -147,6 +149,7 @@
  "report.target": "Signalement",
  "search.placeholder": "Rechercher",
  "search_results.total": "{count, number} {count, plural, one {résultat} other {résultats}}",
+  "standalone.public_title": "A look inside...",
  "status.cannot_reblog": "Cette publication ne peut être boostée",
  "status.delete": "Effacer",
  "status.favourite": "Ajouter aux favoris",
--- a/app/javascript/mastodon/locales/he.json
+++ b/app/javascript/mastodon/locales/he.json
@ -109,6 +109,8 @@
  "notifications.column_settings.favourite": "מחובבים:",
  "notifications.column_settings.follow": "עוקבים חדשים:",
  "notifications.column_settings.mention": "פניות:",
+  "notifications.column_settings.push": "Push notifications",
+  "notifications.column_settings.push_meta": "This device",
  "notifications.column_settings.reblog": "הדהודים:",
  "notifications.column_settings.show": "הצגה בטור",
  "notifications.column_settings.sound": "שמע מופעל",
@ -147,6 +149,7 @@
  "report.target": "דיווח",
  "search.placeholder": "חיפוש",
  "search_results.total": "{count, number} {count, plural, one {תוצאה} other {תוצאות}}",
+  "standalone.public_title": "A look inside...",
  "status.cannot_reblog": "לא ניתן להדהד הודעה זו",
  "status.delete": "מחיקה",
  "status.favourite": "חיבוב",
--- a/app/javascript/mastodon/locales/hr.json
+++ b/app/javascript/mastodon/locales/hr.json
@ -109,6 +109,8 @@
  "notifications.column_settings.favourite": "Favoriti:",
  "notifications.column_settings.follow": "Novi sljedbenici:",
  "notifications.column_settings.mention": "Spominjanja:",
+  "notifications.column_settings.push": "Push notifications",
+  "notifications.column_settings.push_meta": "This device",
  "notifications.column_settings.reblog": "Boosts:",
  "notifications.column_settings.show": "Prikaži u stupcu",
  "notifications.column_settings.sound": "Sviraj zvuk",
@ -147,6 +149,7 @@
  "report.target": "Prijavljivanje",
  "search.placeholder": "Traži",
  "search_results.total": "{count, number} {count, plural, one {result} other {results}}",
+  "standalone.public_title": "A look inside...",
  "status.cannot_reblog": "Ovaj post ne može biti podignut",
  "status.delete": "Obriši",
  "status.favourite": "Označi omiljenim",
--- a/app/javascript/mastodon/locales/hu.json
+++ b/app/javascript/mastodon/locales/hu.json
@ -109,6 +109,8 @@
  "notifications.column_settings.favourite": "Favourites:",
  "notifications.column_settings.follow": "New followers:",
  "notifications.column_settings.mention": "Mentions:",
+  "notifications.column_settings.push": "Push notifications",
+  "notifications.column_settings.push_meta": "This device",
  "notifications.column_settings.reblog": "Boosts:",
  "notifications.column_settings.show": "Show in column",
  "notifications.column_settings.sound": "Play sound",
@ -147,6 +149,7 @@
  "report.target": "Reporting",
  "search.placeholder": "Keresés",
  "search_results.total": "{count, number} {count, plural, one {result} other {results}}",
+  "standalone.public_title": "A look inside...",
  "status.cannot_reblog": "This post cannot be boosted",
  "status.delete": "Törlés",
  "status.favourite": "Kedvenc",
--- a/app/javascript/mastodon/locales/id.json
+++ b/app/javascript/mastodon/locales/id.json
@ -109,6 +109,8 @@
  "notifications.column_settings.favourite": "Favorit:",
  "notifications.column_settings.follow": "Pengikut baru:",
  "notifications.column_settings.mention": "Balasan:",
+  "notifications.column_settings.push": "Push notifications",
+  "notifications.column_settings.push_meta": "This device",
  "notifications.column_settings.reblog": "Boost:",
  "notifications.column_settings.show": "Tampilkan dalam kolom",
  "notifications.column_settings.sound": "Mainkan suara",
@ -147,6 +149,7 @@
  "report.target": "Melaporkan",
  "search.placeholder": "Pencarian",
  "search_results.total": "{count} {count, plural, one {hasil} other {hasil}}",
+  "standalone.public_title": "A look inside...",
  "status.cannot_reblog": "This post cannot be boosted",
  "status.delete": "Hapus",
  "status.favourite": "Difavoritkan",
--- a/app/javascript/mastodon/locales/io.json
+++ b/app/javascript/mastodon/locales/io.json
@ -109,6 +109,8 @@
  "notifications.column_settings.favourite": "Favorati:",
  "notifications.column_settings.follow": "Nova sequanti:",
  "notifications.column_settings.mention": "Mencioni:",
+  "notifications.column_settings.push": "Push notifications",
+  "notifications.column_settings.push_meta": "This device",
  "notifications.column_settings.reblog": "Repeti:",
  "notifications.column_settings.show": "Montrar en kolumno",
  "notifications.column_settings.sound": "Plear sono",
@ -147,6 +149,7 @@
  "report.target": "Denuncante",
  "search.placeholder": "Serchez",
  "search_results.total": "{count, number} {count, plural, one {rezulto} other {rezulti}}",
+  "standalone.public_title": "A look inside...",
  "status.cannot_reblog": "This post cannot be boosted",
  "status.delete": "Efacar",
  "status.favourite": "Favorizar",
--- a/app/javascript/mastodon/locales/it.json
+++ b/app/javascript/mastodon/locales/it.json
@ -109,6 +109,8 @@
  "notifications.column_settings.favourite": "Apprezzati:",
  "notifications.column_settings.follow": "Nuovi seguaci:",
  "notifications.column_settings.mention": "Menzioni:",
+  "notifications.column_settings.push": "Push notifications",
+  "notifications.column_settings.push_meta": "This device",
  "notifications.column_settings.reblog": "Post condivisi:",
  "notifications.column_settings.show": "Mostra in colonna",
  "notifications.column_settings.sound": "Riproduci suono",
@ -147,6 +149,7 @@
  "report.target": "Invio la segnalazione",
  "search.placeholder": "Cerca",
  "search_results.total": "{count} {count, plural, one {risultato} other {risultati}}",
+  "standalone.public_title": "A look inside...",
  "status.cannot_reblog": "This post cannot be boosted",
  "status.delete": "Elimina",
  "status.favourite": "Apprezzato",
--- a/app/javascript/mastodon/locales/ja.json
+++ b/app/javascript/mastodon/locales/ja.json
@ -109,6 +109,8 @@
  "notifications.column_settings.favourite": "お気に入り",
  "notifications.column_settings.follow": "新しいフォロワー",
  "notifications.column_settings.mention": "返信",
+  "notifications.column_settings.push": "プッシュ通知",
+  "notifications.column_settings.push_meta": "このデバイス",
  "notifications.column_settings.reblog": "ブースト",
  "notifications.column_settings.show": "カラムに表示",
  "notifications.column_settings.sound": "通知音を再生",
@ -147,6 +149,7 @@
  "report.target": "問題のユーザー",
  "search.placeholder": "検索",
  "search_results.total": "{count, number}件の結果",
+  "standalone.public_title": "A look inside...",
  "status.cannot_reblog": "この投稿はブーストできません",
  "status.delete": "削除",
  "status.favourite": "お気に入り",
--- a/app/javascript/mastodon/locales/ko.json
+++ b/app/javascript/mastodon/locales/ko.json
@ -109,6 +109,8 @@
  "notifications.column_settings.favourite": "즐겨찾기",
  "notifications.column_settings.follow": "새 팔로워",
  "notifications.column_settings.mention": "답글",
+  "notifications.column_settings.push": "Push notifications",
+  "notifications.column_settings.push_meta": "This device",
  "notifications.column_settings.reblog": "부스트",
  "notifications.column_settings.show": "컬럼에 표시",
  "notifications.column_settings.sound": "효과음 재생",
@ -147,6 +149,7 @@
  "report.target": "문제가 된 사용자",
  "search.placeholder": "검색",
  "search_results.total": "{count, number}건의 결과",
+  "standalone.public_title": "A look inside...",
  "status.cannot_reblog": "이 포스트는 부스트 할 수 없습니다",
  "status.delete": "삭제",
  "status.favourite": "즐겨찾기",
--- a/app/javascript/mastodon/locales/nl.json
+++ b/app/javascript/mastodon/locales/nl.json
@ -109,6 +109,8 @@
  "notifications.column_settings.favourite": "Favorieten:",
  "notifications.column_settings.follow": "Nieuwe volgers:",
  "notifications.column_settings.mention": "Vermeldingen:",
+  "notifications.column_settings.push": "Push notifications",
+  "notifications.column_settings.push_meta": "This device",
  "notifications.column_settings.reblog": "Boosts:",
  "notifications.column_settings.show": "In kolom tonen",
  "notifications.column_settings.sound": "Geluid afspelen",
@ -147,6 +149,7 @@
  "report.target": "Rapporteren van",
  "search.placeholder": "Zoeken",
  "search_results.total": "{count, number} {count, plural, one {resultaat} other {resultaten}}",
+  "standalone.public_title": "A look inside...",
  "status.cannot_reblog": "Deze toot kan niet geboost worden",
  "status.delete": "Verwijderen",
  "status.favourite": "Favoriet",
--- a/app/javascript/mastodon/locales/no.json
+++ b/app/javascript/mastodon/locales/no.json
@ -109,6 +109,8 @@
  "notifications.column_settings.favourite": "Likt:",
  "notifications.column_settings.follow": "Nye følgere:",
  "notifications.column_settings.mention": "Nevnt:",
+  "notifications.column_settings.push": "Push notifications",
+  "notifications.column_settings.push_meta": "This device",
  "notifications.column_settings.reblog": "Fremhevet:",
  "notifications.column_settings.show": "Vis i kolonne",
  "notifications.column_settings.sound": "Spill lyd",
@ -147,6 +149,7 @@
  "report.target": "Rapporterer",
  "search.placeholder": "Søk",
  "search_results.total": "{count, number} {count, plural, one {resultat} other {resultater}}",
+  "standalone.public_title": "A look inside...",
  "status.cannot_reblog": "Denne posten kan ikke fremheves",
  "status.delete": "Slett",
  "status.favourite": "Lik",
--- a/app/javascript/mastodon/locales/oc.json
+++ b/app/javascript/mastodon/locales/oc.json
@ -109,6 +109,8 @@
  "notifications.column_settings.favourite": "Favorits :",
  "notifications.column_settings.follow": "Nòus seguidors :",
  "notifications.column_settings.mention": "Mencions :",
+  "notifications.column_settings.push": "Push notifications",
+  "notifications.column_settings.push_meta": "This device",
  "notifications.column_settings.reblog": "Partatges :",
  "notifications.column_settings.show": "Mostrar dins la colomna",
  "notifications.column_settings.sound": "Emetre un son",
@ -147,6 +149,7 @@
  "report.target": "Senhalar {target}",
  "search.placeholder": "Recercar",
  "search_results.total": "{count, number} {count, plural, one {resultat} other {resultats}}",
+  "standalone.public_title": "A look inside...",
  "status.cannot_reblog": "Aqueste estatut pòt pas èsser partejat",
  "status.delete": "Escafar",
  "status.favourite": "Apondre als favorits",
--- a/app/javascript/mastodon/locales/pl.json
+++ b/app/javascript/mastodon/locales/pl.json
@ -3,10 +3,10 @@
  "account.block_domain": "Blokuj wszystko z {domain}",
  "account.disclaimer": "Ten użytkownik pochodzi z innej instancji. Ta liczba może być większa.",
  "account.edit_profile": "Edytuj profil",
-  "account.follow": "Obserwuj",
-  "account.followers": "Obserwujący",
-  "account.follows": "Obserwacje",
-  "account.follows_you": "Obserwuje cię",
+  "account.follow": "Śledź",
+  "account.followers": "Śledzący",
+  "account.follows": "Śledzeni",
+  "account.follows_you": "Śledzi Cię",
  "account.media": "Media",
  "account.mention": "Wspomnij o @{name}",
  "account.mute": "Wycisz @{name}",
@ -15,7 +15,7 @@
  "account.requested": "Oczekująca prośba",
  "account.unblock": "Odblokuj @{name}",
  "account.unblock_domain": "Odblokuj domenę {domain}",
-  "account.unfollow": "Przestań obserwować",
+  "account.unfollow": "Przestań śledzić",
  "account.unmute": "Cofnij wyciszenie @{name}",
  "boost_modal.combo": "Naciśnij {combo}, aby pominąć to następnym razem",
  "bundle_column_error.body": "Coś poszło nie tak podczas ładowania tego składnika.",
@ -27,7 +27,7 @@
  "column.blocks": "Zablokowani użytkownicy",
  "column.community": "Lokalna oś czasu",
  "column.favourites": "Ulubione",
-  "column.follow_requests": "Prośby o obserwację",
+  "column.follow_requests": "Prośby o śledzenie",
  "column.home": "Strona główna",
  "column.mutes": "Wyciszeni użytkownicy",
  "column.notifications": "Powiadomienia",
@ -37,9 +37,9 @@
  "column_header.unpin": "Cofnij przypięcie",
  "column_subheading.navigation": "Nawigacja",
  "column_subheading.settings": "Ustawienia",
-  "compose_form.lock_disclaimer": "Twoje konto nie jest {locked}. Każdy, kto cię obserwuje, może wyświetlać twoje posty przeznaczone tylko dla obserwujących.",
+  "compose_form.lock_disclaimer": "Twoje konto nie jest {locked}. Każdy, kto Cię śledzi, może wyświetlać Twoje posty przeznaczone tylko dla śledzących.",
  "compose_form.lock_disclaimer.lock": "zablokowane",
-  "compose_form.placeholder": "Co ci chodzi po głowie?",
+  "compose_form.placeholder": "Co Ci chodzi po głowie?",
  "compose_form.privacy_disclaimer": "Twój post zostanie dostarczony do użytkowników z {domains}. Czy ufasz {domainsCount, plural, one {temu serwerowi} other {tym serwerom}}? Prywatność postów obowiązuje tylko na instancjach Mastodona. Jeżeli {domains} {domainsCount, plural, one {nie jest instancją Mastodona} other {nie są instancjami Mastodona}}, post może być widoczny dla niewłaściwych osób.",
  "compose_form.publish": "Wyślij",
  "compose_form.publish_loud": "{publish}!",
@ -67,7 +67,7 @@
  "emoji_button.travel": "Podróże i miejsca",
  "empty_column.community": "Lokalna oś czasu jest pusta. Napisz coś publicznie, aby odbić piłeczkę!",
  "empty_column.hashtag": "Nie ma postów oznaczonych tym hashtagiem. Możesz napisać pierwszy!",
-  "empty_column.home": "Nie obserwujesz nikogo. Odwiedź publiczną oś czasu lub użyj wyszukiwarki, aby znaleźć ciekawych ludzi.",
+  "empty_column.home": "Nie śledzisz nikogo. Odwiedź publiczną oś czasu lub użyj wyszukiwarki, aby znaleźć interesujące Cię profile.",
  "empty_column.home.inactivity": "Strumień jest pusty. Jeżeli nie było Cię tu ostatnio, zostanie on wypełniony wkrótce.",
  "empty_column.home.public_timeline": "publiczna oś czasu",
  "empty_column.notifications": "Nie masz żadnych powiadomień. Rozpocznij interakcje z innymi użytkownikami.",
@ -93,32 +93,34 @@
  "navigation_bar.community_timeline": "Lokalna oś czasu",
  "navigation_bar.edit_profile": "Edytuj profil",
  "navigation_bar.favourites": "Ulubione",
-  "navigation_bar.follow_requests": "Prośby o obserwację",
+  "navigation_bar.follow_requests": "Prośby o śledzenie",
  "navigation_bar.info": "Szczegółowe informacje",
  "navigation_bar.logout": "Wyloguj",
  "navigation_bar.mutes": "Wyciszeni użytkownicy",
  "navigation_bar.preferences": "Preferencje",
  "navigation_bar.public_timeline": "Oś czasu federacji",
-  "notification.favourite": "{name} dodał twój status do ulubionych",
-  "notification.follow": "{name} zaczął cię obserwować",
+  "notification.favourite": "{name} dodał Twój status do ulubionych",
+  "notification.follow": "{name} zaczął Cię śledzić",
  "notification.mention": "{name} wspomniał o tobie",
-  "notification.reblog": "{name} podbił twój status",
+  "notification.reblog": "{name} podbił Twój status",
  "notifications.clear": "Wyczyść powiadomienia",
  "notifications.clear_confirmation": "Czy na pewno chcesz bezpowrotnie usunąć wszystkie powiadomienia?",
  "notifications.column_settings.alert": "Powiadomienia na pulpicie",
  "notifications.column_settings.favourite": "Ulubione:",
-  "notifications.column_settings.follow": "Nowi obserwujący:",
+  "notifications.column_settings.follow": "Nowi śledzący:",
  "notifications.column_settings.mention": "Wspomniali:",
+  "notifications.column_settings.push": "Push notifications",
+  "notifications.column_settings.push_meta": "This device",
  "notifications.column_settings.reblog": "Podbili:",
  "notifications.column_settings.show": "Pokaż w kolumnie",
  "notifications.column_settings.sound": "Odtwarzaj dźwięk",
  "onboarding.done": "Gotowe",
  "onboarding.next": "Dalej",
-  "onboarding.page_five.public_timelines": "Lokalna oś czasu zawiera wszystkie publiczne wpisy z {domain}. Federalna oś czasu wyświetla publiczne wpisy obserwowanych przez członków {domain}. Są to publiczne osie czasu – najlepszy sposób na poznanie nowych osób.",
+  "onboarding.page_five.public_timelines": "Lokalna oś czasu zawiera wszystkie publiczne wpisy z {domain}. Federalna oś czasu wyświetla publiczne wpisy śledzonych przez członków {domain}. Są to publiczne osie czasu – najlepszy sposób na poznanie nowych osób.",
  "onboarding.page_four.home": "Główna oś czasu wyświetla publiczne wpisy.",
  "onboarding.page_four.notifications": "Kolumna powiadomień wyświetla, gdy ktoś dokonuje interakcji z tobą.",
  "onboarding.page_one.federation": "Mastodon jest siecią niezależnych serwerów połączonych w jeden portal społecznościowy. Nazywamy te serwery instancjami.",
-  "onboarding.page_one.handle": "Jesteś na domenie {domain}, więc twój pełny adres to {handle}",
+  "onboarding.page_one.handle": "Jesteś na domenie {domain}, więc Twój pełny adres to {handle}",
  "onboarding.page_one.welcome": "Witamy w Mastodon!",
  "onboarding.page_six.admin": "Administratorem tej instancji jest {admin}.",
  "onboarding.page_six.almost_done": "Prawie gotowe...",
@ -135,8 +137,8 @@
  "privacy.change": "Dostosuj widoczność postów",
  "privacy.direct.long": "Widoczne tylko dla oznaczonych",
  "privacy.direct.short": "Bezpośrednio",
-  "privacy.private.long": "Widoczne tylko dla obserwujących",
-  "privacy.private.short": "Tylko obserwujący",
+  "privacy.private.long": "Widoczne tylko dla śledzących",
+  "privacy.private.short": "Tylko śledzący",
  "privacy.public.long": "Widoczne na publicznych osiach czasu",
  "privacy.public.short": "Publiczne",
  "privacy.unlisted.long": "Niewidoczne na publicznych osiach czasu",
@ -147,6 +149,7 @@
  "report.target": "Zgłaszanie {target}",
  "search.placeholder": "Szukaj",
  "search_results.total": "{count, number} {count, plural, one {wynik} more {wyniki}}",
+  "standalone.public_title": "A look inside...",
  "status.cannot_reblog": "Ten post nie może zostać podbity",
  "status.delete": "Usuń",
  "status.favourite": "Ulubione",
--- a/app/javascript/mastodon/locales/pt-BR.json
+++ b/app/javascript/mastodon/locales/pt-BR.json
@ -109,6 +109,8 @@
  "notifications.column_settings.favourite": "Favoritos:",
  "notifications.column_settings.follow": "Novos seguidores:",
  "notifications.column_settings.mention": "Menções:",
+  "notifications.column_settings.push": "Push notifications",
+  "notifications.column_settings.push_meta": "This device",
  "notifications.column_settings.reblog": "Partilhas:",
  "notifications.column_settings.show": "Mostrar nas colunas",
  "notifications.column_settings.sound": "Reproduzir som",
@ -147,6 +149,7 @@
  "report.target": "Denunciar",
  "search.placeholder": "Pesquisar",
  "search_results.total": "{count, number} {count, plural, one {resultado} other {resultados}}",
+  "standalone.public_title": "A look inside...",
  "status.cannot_reblog": "This post cannot be boosted",
  "status.delete": "Eliminar",
  "status.favourite": "Adicionar aos favoritos",
--- a/app/javascript/mastodon/locales/pt.json
+++ b/app/javascript/mastodon/locales/pt.json
@ -109,6 +109,8 @@
  "notifications.column_settings.favourite": "Favoritos:",
  "notifications.column_settings.follow": "Novos seguidores:",
  "notifications.column_settings.mention": "Menções:",
+  "notifications.column_settings.push": "Push notifications",
+  "notifications.column_settings.push_meta": "This device",
  "notifications.column_settings.reblog": "Partilhas:",
  "notifications.column_settings.show": "Mostrar nas colunas",
  "notifications.column_settings.sound": "Reproduzir som",
@ -147,6 +149,7 @@
  "report.target": "Denunciar",
  "search.placeholder": "Pesquisar",
  "search_results.total": "{count, number} {count, plural, one {resultado} other {resultados}}",
+  "standalone.public_title": "A look inside...",
  "status.cannot_reblog": "This post cannot be boosted",
  "status.delete": "Eliminar",
  "status.favourite": "Adicionar aos favoritos",
--- a/app/javascript/mastodon/locales/ru.json
+++ b/app/javascript/mastodon/locales/ru.json
@ -109,6 +109,8 @@
  "notifications.column_settings.favourite": "Нравится:",
  "notifications.column_settings.follow": "Новые подписчики:",
  "notifications.column_settings.mention": "Упоминания:",
+  "notifications.column_settings.push": "Push notifications",
+  "notifications.column_settings.push_meta": "This device",
  "notifications.column_settings.reblog": "Продвижения:",
  "notifications.column_settings.show": "Показывать в колонке",
  "notifications.column_settings.sound": "Проигрывать звук",
@ -147,6 +149,7 @@
  "report.target": "Жалуемся на",
  "search.placeholder": "Поиск",
  "search_results.total": "{count, number} {count, plural, one {результат} few {результата} many {результатов} other {результатов}}",
+  "standalone.public_title": "A look inside...",
  "status.cannot_reblog": "Этот статус не может быть продвинут",
  "status.delete": "Удалить",
  "status.favourite": "Нравится",
--- a/app/javascript/mastodon/locales/th.json
+++ b/app/javascript/mastodon/locales/th.json
@ -109,6 +109,8 @@
  "notifications.column_settings.favourite": "Favourites:",
  "notifications.column_settings.follow": "New followers:",
  "notifications.column_settings.mention": "Mentions:",
+  "notifications.column_settings.push": "Push notifications",
+  "notifications.column_settings.push_meta": "This device",
  "notifications.column_settings.reblog": "Boosts:",
  "notifications.column_settings.show": "Show in column",
  "notifications.column_settings.sound": "Play sound",
@ -147,6 +149,7 @@
  "report.target": "Reporting",
  "search.placeholder": "Search",
  "search_results.total": "{count, number} {count, plural, one {result} other {results}}",
+  "standalone.public_title": "A look inside...",
  "status.cannot_reblog": "This post cannot be boosted",
  "status.delete": "Delete",
  "status.favourite": "Favourite",
--- a/app/javascript/mastodon/locales/tr.json
+++ b/app/javascript/mastodon/locales/tr.json
@ -109,6 +109,8 @@
  "notifications.column_settings.favourite": "Favoriler:",
  "notifications.column_settings.follow": "Yeni takipçiler:",
  "notifications.column_settings.mention": "Bahsedilenler:",
+  "notifications.column_settings.push": "Push notifications",
+  "notifications.column_settings.push_meta": "This device",
  "notifications.column_settings.reblog": "Boost’lar:",
  "notifications.column_settings.show": "Bildirimlerde göster",
  "notifications.column_settings.sound": "Ses çal",
@ -147,6 +149,7 @@
  "report.target": "Raporlama",
  "search.placeholder": "Ara",
  "search_results.total": "{count, number} {count, plural, one {sonuç} other {sonuçlar}}",
+  "standalone.public_title": "A look inside...",
  "status.cannot_reblog": "Bu gönderi boost edilemez",
  "status.delete": "Sil",
  "status.favourite": "Favorilere ekle",
--- a/app/javascript/mastodon/locales/uk.json
+++ b/app/javascript/mastodon/locales/uk.json
@ -109,6 +109,8 @@
  "notifications.column_settings.favourite": "Вподобане:",
  "notifications.column_settings.follow": "Нові підписники:",
  "notifications.column_settings.mention": "Сповіщення:",
+  "notifications.column_settings.push": "Push notifications",
+  "notifications.column_settings.push_meta": "This device",
  "notifications.column_settings.reblog": "Передмухи:",
  "notifications.column_settings.show": "Показати в колонці",
  "notifications.column_settings.sound": "Відтворювати звук",
@ -147,6 +149,7 @@
  "report.target": "Скаржимося на",
  "search.placeholder": "Пошук",
  "search_results.total": "{count, number} {count, plural, one {результат} few {результати} many {результатів} other {результатів}}",
+  "standalone.public_title": "A look inside...",
  "status.cannot_reblog": "Цей допис не може бути передмухнутий",
  "status.delete": "Видалити",
  "status.favourite": "Подобається",
--- a/app/javascript/mastodon/locales/zh-CN.json
+++ b/app/javascript/mastodon/locales/zh-CN.json
@ -109,6 +109,8 @@
  "notifications.column_settings.favourite": "你的嘟文被赞：",
  "notifications.column_settings.follow": "关注你：",
  "notifications.column_settings.mention": "提及你：",
+  "notifications.column_settings.push": "Push notifications",
+  "notifications.column_settings.push_meta": "This device",
  "notifications.column_settings.reblog": "你的嘟文被转嘟：",
  "notifications.column_settings.show": "在通知栏显示",
  "notifications.column_settings.sound": "播放音效",
@ -147,6 +149,7 @@
  "report.target": "Reporting",
  "search.placeholder": "搜索",
  "search_results.total": "{count, number} {count, plural, one {result} other {results}}",
+  "standalone.public_title": "A look inside...",
  "status.cannot_reblog": "没法转嘟这条嘟文啦……",
  "status.delete": "删除",
  "status.favourite": "赞",
--- a/app/javascript/mastodon/locales/zh-HK.json
+++ b/app/javascript/mastodon/locales/zh-HK.json
@ -109,6 +109,8 @@
  "notifications.column_settings.favourite": "喜歡你的文章:",
  "notifications.column_settings.follow": "關注你:",
  "notifications.column_settings.mention": "提及你:",
+  "notifications.column_settings.push": "Push notifications",
+  "notifications.column_settings.push_meta": "This device",
  "notifications.column_settings.reblog": "轉推你的文章:",
  "notifications.column_settings.show": "在通知欄顯示",
  "notifications.column_settings.sound": "播放音效",
@ -147,6 +149,7 @@
  "report.target": "舉報",
  "search.placeholder": "搜尋",
  "search_results.total": "{count, number} 項結果",
+  "standalone.public_title": "A look inside...",
  "status.cannot_reblog": "這篇文章無法被轉推",
  "status.delete": "刪除",
  "status.favourite": "喜歡",
--- a/app/javascript/mastodon/locales/zh-TW.json
+++ b/app/javascript/mastodon/locales/zh-TW.json
@ -109,6 +109,8 @@
  "notifications.column_settings.favourite": "最愛：",
  "notifications.column_settings.follow": "新的關注者：",
  "notifications.column_settings.mention": "提到：",
+  "notifications.column_settings.push": "Push notifications",
+  "notifications.column_settings.push_meta": "This device",
  "notifications.column_settings.reblog": "轉推：",
  "notifications.column_settings.show": "顯示在欄位中",
  "notifications.column_settings.sound": "播放音效",
@ -147,6 +149,7 @@
  "report.target": "通報中",
  "search.placeholder": "搜尋",
  "search_results.total": "{count, number} 項結果",
+  "standalone.public_title": "A look inside...",
  "status.cannot_reblog": "此貼文無法轉推",
  "status.delete": "刪除",
  "status.favourite": "喜愛",
--- a/app/javascript/mastodon/main.js
+++ b/app/javascript/mastodon/main.js
@ -1,12 +1,6 @@
-const perf = require('./performance');
+import ready from './ready';

-function onDomContentLoaded(callback) {
-  if (document.readyState !== 'loading') {
-    callback();
-  } else {
-    document.addEventListener('DOMContentLoaded', callback);
-  }
-}
+const perf = require('./performance');

 function main() {
  perf.start('main()');
@ -24,11 +18,19 @@ function main() {
    }
  }

-  onDomContentLoaded(() => {
+  ready(() => {
    const mountNode = document.getElementById('mastodon');
    const props = JSON.parse(mountNode.getAttribute('data-props'));

    ReactDOM.render(<Mastodon {...props} />, mountNode);
+    if (process.env.NODE_ENV === 'production') {
+      // avoid offline in dev mode because it's harder to debug
+      const OfflinePluginRuntime = require('offline-plugin/runtime');
+      const WebPushSubscription = require('./web_push_subscription');
+
+      OfflinePluginRuntime.install();
+      WebPushSubscription.register();
+    }
    perf.stop('main()');

    // remember the initial URL
--- a/app/javascript/mastodon/ready.js
+++ b/app/javascript/mastodon/ready.js
@ -0,0 +1,7 @@
+export default function ready(loaded) {
+  if (['interactive', 'complete'].includes(document.readyState)) {
+    loaded();
+  } else {
+    document.addEventListener('DOMContentLoaded', loaded);
+  }
+}
--- a/app/javascript/mastodon/reducers/compose.js
+++ b/app/javascript/mastodon/reducers/compose.js
@ -126,7 +126,7 @@ const insertSuggestion = (state, position, token, completion) => {
 };

 const insertEmoji = (state, position, emojiData) => {
-  const emoji = emojiData.shortname;
+  const emoji = String.fromCodePoint(parseInt(emojiData.unicode, 16));

  return state.withMutations(map => {
    map.update('text', oldText => `${oldText.slice(0, position)}${emoji} ${oldText.slice(position)}`);
--- a/app/javascript/mastodon/reducers/index.js
+++ b/app/javascript/mastodon/reducers/index.js
@ -11,6 +11,7 @@ import statuses from './statuses';
 import relationships from './relationships';
 import settings from './settings';
 import local_settings from '../../glitch/reducers/local_settings';
+import push_notifications from './push_notifications';
 import status_lists from './status_lists';
 import cards from './cards';
 import reports from './reports';
@ -33,7 +34,11 @@ const reducers = {
  statuses,
  relationships,
  settings,
+<<<<<<< HEAD
  local_settings,
+=======
+  push_notifications,
+>>>>>>> upstream
  cards,
  reports,
  contexts,
--- a/app/javascript/mastodon/reducers/push_notifications.js
+++ b/app/javascript/mastodon/reducers/push_notifications.js
@ -0,0 +1,51 @@
+import { STORE_HYDRATE } from '../actions/store';
+import { SET_BROWSER_SUPPORT, SET_SUBSCRIPTION, CLEAR_SUBSCRIPTION, ALERTS_CHANGE } from '../actions/push_notifications';
+import Immutable from 'immutable';
+
+const initialState = Immutable.Map({
+  subscription: null,
+  alerts: new Immutable.Map({
+    follow: false,
+    favourite: false,
+    reblog: false,
+    mention: false,
+  }),
+  isSubscribed: false,
+  browserSupport: false,
+});
+
+export default function push_subscriptions(state = initialState, action) {
+  switch(action.type) {
+  case STORE_HYDRATE: {
+    const push_subscription = action.state.get('push_subscription');
+
+    if (push_subscription) {
+      return state
+        .set('subscription', new Immutable.Map({
+          id: push_subscription.get('id'),
+          endpoint: push_subscription.get('endpoint'),
+        }))
+        .set('alerts', push_subscription.get('alerts') || initialState.get('alerts'))
+        .set('isSubscribed', true);
+    }
+
+    return state;
+  }
+  case SET_SUBSCRIPTION:
+    return state
+      .set('subscription', new Immutable.Map({
+        id: action.subscription.id,
+        endpoint: action.subscription.endpoint,
+      }))
+      .set('alerts', new Immutable.Map(action.subscription.alerts))
+      .set('isSubscribed', true);
+  case SET_BROWSER_SUPPORT:
+    return state.set('browserSupport', action.value);
+  case CLEAR_SUBSCRIPTION:
+    return initialState;
+  case ALERTS_CHANGE:
+    return state.setIn(action.key, action.value);
+  default:
+    return state;
+  }
+};
--- a/app/javascript/mastodon/service_worker/entry.js
+++ b/app/javascript/mastodon/service_worker/entry.js
@ -0,0 +1 @@
+import './web_push_notifications';
--- a/app/javascript/mastodon/service_worker/web_push_notifications.js
+++ b/app/javascript/mastodon/service_worker/web_push_notifications.js
@ -0,0 +1,86 @@
+const handlePush = (event) => {
+  const options = event.data.json();
+
+  options.body = options.data.nsfw || options.data.content;
+  options.image = options.image || undefined; // Null results in a network request (404)
+  options.timestamp = options.timestamp && new Date(options.timestamp);
+
+  const expandAction = options.data.actions.find(action => action.todo === 'expand');
+
+  if (expandAction) {
+    options.actions = [expandAction];
+    options.hiddenActions = options.data.actions.filter(action => action !== expandAction);
+
+    options.data.hiddenImage = options.image;
+    options.image = undefined;
+  } else {
+    options.actions = options.data.actions;
+  }
+
+  event.waitUntil(self.registration.showNotification(options.title, options));
+};
+
+const cloneNotification = (notification) => {
+  const clone = {  };
+
+  for(var k in notification) {
+    clone[k] = notification[k];
+  }
+
+  return clone;
+};
+
+const expandNotification = (notification) => {
+  const nextNotification = cloneNotification(notification);
+
+  nextNotification.body = notification.data.content;
+  nextNotification.image = notification.data.hiddenImage;
+  nextNotification.actions = notification.data.actions.filter(action => action.todo !== 'expand');
+
+  return self.registration.showNotification(nextNotification.title, nextNotification);
+};
+
+const makeRequest = (notification, action) =>
+  fetch(action.action, {
+    headers: {
+      'Authorization': `Bearer ${notification.data.access_token}`,
+      'Content-Type': 'application/json',
+    },
+    method: action.method,
+    credentials: 'include',
+  });
+
+const removeActionFromNotification = (notification, action) => {
+  const actions = notification.actions.filter(act => act.action !== action.action);
+
+  const nextNotification = cloneNotification(notification);
+
+  nextNotification.actions = actions;
+
+  return self.registration.showNotification(nextNotification.title, nextNotification);
+};
+
+const handleNotificationClick = (event) => {
+  const reactToNotificationClick = new Promise((resolve, reject) => {
+    if (event.action) {
+      const action = event.notification.data.actions.find(({ action }) => action === event.action);
+
+      if (action.todo === 'expand') {
+        resolve(expandNotification(event.notification));
+      } else if (action.todo === 'request') {
+        resolve(makeRequest(event.notification, action)
+          .then(() => removeActionFromNotification(event.notification, action)));
+      } else {
+        reject(`Unknown action: ${action.todo}`);
+      }
+    } else {
+      event.notification.close();
+      resolve(self.clients.openWindow(event.notification.data.url));
+    }
+  });
+
+  event.waitUntil(reactToNotificationClick);
+};
+
+self.addEventListener('push', handlePush);
+self.addEventListener('notificationclick', handleNotificationClick);
--- a/app/javascript/mastodon/web_push_subscription.js
+++ b/app/javascript/mastodon/web_push_subscription.js
@ -0,0 +1,109 @@
+import axios from 'axios';
+import { store } from './containers/mastodon';
+import { setBrowserSupport, setSubscription, clearSubscription } from './actions/push_notifications';
+
+// Taken from https://www.npmjs.com/package/web-push
+const urlBase64ToUint8Array = (base64String) => {
+  const padding = '='.repeat((4 - base64String.length % 4) % 4);
+  const base64 = (base64String + padding)
+    .replace(/\-/g, '+')
+    .replace(/_/g, '/');
+
+  const rawData = window.atob(base64);
+  const outputArray = new Uint8Array(rawData.length);
+
+  for (let i = 0; i < rawData.length; ++i) {
+    outputArray[i] = rawData.charCodeAt(i);
+  }
+  return outputArray;
+};
+
+const getApplicationServerKey = () => document.querySelector('[name="applicationServerKey"]').getAttribute('content');
+
+const getRegistration = () => navigator.serviceWorker.ready;
+
+const getPushSubscription = (registration) =>
+  registration.pushManager.getSubscription()
+    .then(subscription => ({ registration, subscription }));
+
+const subscribe = (registration) =>
+  registration.pushManager.subscribe({
+    userVisibleOnly: true,
+    applicationServerKey: urlBase64ToUint8Array(getApplicationServerKey()),
+  });
+
+const unsubscribe = ({ registration, subscription }) =>
+  subscription ? subscription.unsubscribe().then(() => registration) : registration;
+
+const sendSubscriptionToBackend = (subscription) =>
+  axios.post('/api/web/push_subscriptions', {
+    data: subscription,
+  }).then(response => response.data);
+
+// Last one checks for payload support: https://web-push-book.gauntface.com/chapter-06/01-non-standards-browsers/#no-payload
+const supportsPushNotifications = ('serviceWorker' in navigator && 'PushManager' in window && 'getKey' in PushSubscription.prototype);
+
+export function register () {
+  store.dispatch(setBrowserSupport(supportsPushNotifications));
+
+  if (supportsPushNotifications) {
+    if (!getApplicationServerKey()) {
+      // eslint-disable-next-line no-console
+      console.error('The VAPID public key is not set. You will not be able to receive Web Push Notifications.');
+      return;
+    }
+
+    getRegistration()
+      .then(getPushSubscription)
+      .then(({ registration, subscription }) => {
+        if (subscription !== null) {
+          // We have a subscription, check if it is still valid
+          const currentServerKey = (new Uint8Array(subscription.options.applicationServerKey)).toString();
+          const subscriptionServerKey = urlBase64ToUint8Array(getApplicationServerKey()).toString();
+          const serverEndpoint = store.getState().getIn(['push_notifications', 'subscription', 'endpoint']);
+
+          // If the VAPID public key did not change and the endpoint corresponds
+          // to the endpoint saved in the backend, the subscription is valid
+          if (subscriptionServerKey === currentServerKey && subscription.endpoint === serverEndpoint) {
+            return subscription;
+          } else {
+            // Something went wrong, try to subscribe again
+            return unsubscribe({ registration, subscription }).then(subscribe).then(sendSubscriptionToBackend);
+          }
+        }
+
+        // No subscription, try to subscribe
+        return subscribe(registration).then(sendSubscriptionToBackend);
+      })
+      .then(subscription => {
+        // If we got a PushSubscription (and not a subscription object from the backend)
+        // it means that the backend subscription is valid (and was set during hydration)
+        if (!(subscription instanceof PushSubscription)) {
+          store.dispatch(setSubscription(subscription));
+        }
+      })
+      .catch(error => {
+        if (error.code === 20 && error.name === 'AbortError') {
+          // eslint-disable-next-line no-console
+          console.warn('Your browser supports Web Push Notifications, but does not seem to implement the VAPID protocol.');
+        } else if (error.code === 5 && error.name === 'InvalidCharacterError') {
+          // eslint-disable-next-line no-console
+          console.error('The VAPID public key seems to be invalid:', getApplicationServerKey());
+        }
+
+        // Clear alerts and hide UI settings
+        store.dispatch(clearSubscription());
+
+        try {
+          getRegistration()
+            .then(getPushSubscription)
+            .then(unsubscribe);
+        } catch (e) {
+
+        }
+      });
+  } else {
+    // eslint-disable-next-line no-console
+    console.warn('Your browser does not support Web Push Notifications.');
+  }
+}
--- a/app/javascript/packs/about.js
+++ b/app/javascript/packs/about.js
@ -0,0 +1,24 @@
+import TimelineContainer from '../mastodon/containers/timeline_container';
+import React from 'react';
+import ReactDOM from 'react-dom';
+import loadPolyfills from '../mastodon/load_polyfills';
+import ready from '../mastodon/ready';
+
+require.context('../images/', true);
+
+function loaded() {
+  const mountNode = document.getElementById('mastodon-timeline');
+
+  if (mountNode !== null) {
+    const props = JSON.parse(mountNode.getAttribute('data-props'));
+    ReactDOM.render(<TimelineContainer {...props} />, mountNode);
+  }
+}
+
+function main() {
+  ready(loaded);
+}
+
+loadPolyfills().then(main).catch(error => {
+  console.error(error);
+});
--- a/app/javascript/packs/public.js
+++ b/app/javascript/packs/public.js
@ -5,9 +5,7 @@ import emojify from '../mastodon/emoji';
 import { getLocale } from '../mastodon/locales';
 import loadPolyfills from '../mastodon/load_polyfills';
 import { processBio } from '../glitch/util/bio_metadata';
-import TimelineContainer from '../mastodon/containers/timeline_container';
-import React from 'react';
-import ReactDOM from 'react-dom';
+import ready from '../mastodon/ready';

 require.context('../images/', true);

@ -40,21 +38,10 @@ function loaded() {
    const datetime = new Date(content.getAttribute('datetime'));
    content.textContent = relativeFormat.format(datetime);;
  });
-
-  const mountNode = document.getElementById('mastodon-timeline');
-
-  if (mountNode !== null) {
-    const props = JSON.parse(mountNode.getAttribute('data-props'));
-    ReactDOM.render(<TimelineContainer {...props} />, mountNode);
-  }
 }

 function main() {
-  if (['interactive', 'complete'].includes(document.readyState)) {
-    loaded();
-  } else {
-    document.addEventListener('DOMContentLoaded', loaded);
-  }
+  ready(loaded);

  delegate(document, '.video-player video', 'click', ({ target }) => {
    if (target.paused) {
--- a/app/javascript/styles/components.scss
+++ b/app/javascript/styles/components.scss
@ -1554,6 +1554,9 @@
 }

 .react-swipeable-view-container > * {
+  display: flex;
+  align-items: center;
+  justify-content: center;
  height: 100%;
 }

@ -2007,6 +2010,7 @@
  width: 100%;
  margin: 0;
  color: $ui-base-color;
+  background: $simple-background-color;
  padding: 10px;
  font-family: inherit;
  font-size: 14px;
@ -2029,7 +2033,6 @@

 .autosuggest-textarea__textarea {
  min-height: 100px;
-  background: $simple-background-color;
  border-radius: 4px 4px 0 0;
  padding-bottom: 0;
  padding-right: 10px + 22px;
@ -2620,7 +2623,8 @@ button.icon-button.active i.fa-retweet {
  line-height: 24px;
 }

-.setting-toggle__label {
+.setting-toggle__label,
+.setting-meta__label {
  color: $ui-primary-color;
  display: inline-block;
  margin-bottom: 14px;
@ -2628,6 +2632,11 @@ button.icon-button.active i.fa-retweet {
  vertical-align: middle;
 }

+.setting-meta__label {
+  color: $ui-primary-color;
+  float: right;
+}
+
 .empty-column-indicator,
 .error-column {
  color: lighten($ui-base-color, 20%);
@ -2968,6 +2977,7 @@ button.icon-button.active i.fa-retweet {
  margin-left: 2px;
  width: 24px;
  outline: 0;
+  cursor: pointer;

  &:active,
  &:focus {
@ -3297,6 +3307,7 @@ button.icon-button.active i.fa-retweet {
  max-height: 80vh;
  position: relative;

+  .extended-video-player,
  img,
  canvas,
  video {
@ -3306,6 +3317,13 @@ button.icon-button.active i.fa-retweet {
    height: auto;
  }

+  .extended-video-player,
+  video {
+    display: flex;
+    width: 80vw;
+    height: 80vh;
+  }
+
  img,
  canvas {
    display: block;
--- a/app/javascript/styles/rtl.scss
+++ b/app/javascript/styles/rtl.scss
@ -45,6 +45,10 @@ body.rtl {
    margin-right: 8px;
  }

+  .setting-meta__label {
+    float: left;
+  }
+
  .status__avatar {
    left: auto;
    right: 10px;
--- a/app/lib/activitypub/adapter.rb
+++ b/app/lib/activitypub/adapter.rb
@ -0,0 +1,13 @@
+# frozen_string_literal: true
+
+class ActivityPub::Adapter < ActiveModelSerializers::Adapter::Base
+  def self.default_key_transform
+    :camel_lower
+  end
+
+  def serializable_hash(options = nil)
+    options = serialization_options(options)
+    serialized_hash = { '@context': 'https://www.w3.org/ns/activitystreams' }.merge(ActiveModelSerializers::Adapter::Attributes.new(serializer, instance_options).serializable_hash(options))
+    self.class.transform_key_casing!(serialized_hash, instance_options)
+  end
+end
--- a/app/lib/activitypub/tag_manager.rb
+++ b/app/lib/activitypub/tag_manager.rb
@ -0,0 +1,69 @@
+# frozen_string_literal: true
+
+require 'singleton'
+
+class ActivityPub::TagManager
+  include Singleton
+  include RoutingHelper
+
+  COLLECTIONS = {
+    public: 'https://www.w3.org/ns/activitystreams#Public',
+  }.freeze
+
+  def url_for(target)
+    return target.url if target.respond_to?(:local?) && !target.local?
+
+    case target.object_type
+    when :person
+      short_account_url(target)
+    when :note, :comment, :activity
+      short_account_status_url(target.account, target)
+    end
+  end
+
+  def uri_for(target)
+    return target.uri if target.respond_to?(:local?) && !target.local?
+
+    case target.object_type
+    when :person
+      account_url(target)
+    when :note, :comment, :activity
+      account_status_url(target.account, target)
+    end
+  end
+
+  # Primary audience of a status
+  # Public statuses go out to primarily the public collection
+  # Unlisted and private statuses go out primarily to the followers collection
+  # Others go out only to the people they mention
+  def to(status)
+    case status.visibility
+    when 'public'
+      [COLLECTIONS[:public]]
+    when 'unlisted', 'private'
+      [account_followers_url(status.account)]
+    when 'direct'
+      status.mentions.map { |mention| uri_for(mention.account) }
+    end
+  end
+
+  # Secondary audience of a status
+  # Public statuses go out to followers as well
+  # Unlisted statuses go to the public as well
+  # Both of those and private statuses also go to the people mentioned in them
+  # Direct ones don't have a secondary audience
+  def cc(status)
+    cc = []
+
+    case status.visibility
+    when 'public'
+      cc << account_followers_url(status.account)
+    when 'unlisted'
+      cc << COLLECTIONS[:public]
+    end
+
+    cc.concat(status.mentions.map { |mention| uri_for(mention.account) }) unless status.direct_visibility?
+
+    cc
+  end
+end
--- a/app/lib/feed_manager.rb
+++ b/app/lib/feed_manager.rb
@ -99,7 +99,7 @@ class FeedManager
    #return true if reggie === status.content || reggie === status.spoiler_text
    # extremely violent filtering code END

-    return true if status.reply? && status.in_reply_to_id.nil?
+    return true if status.reply? && (status.in_reply_to_id.nil? || status.in_reply_to_account_id.nil?)

    check_for_mutes = [status.account_id]
    check_for_mutes.concat([status.reblog.account_id]) if status.reblog?
@ -126,12 +126,13 @@ class FeedManager
  end

  def filter_from_mentions?(status, receiver_id)
+    return true if receiver_id == status.account_id
+
    check_for_blocks = [status.account_id]
    check_for_blocks.concat(status.mentions.pluck(:account_id))
    check_for_blocks.concat([status.in_reply_to_account]) if status.reply? && !status.in_reply_to_account_id.nil?

-    should_filter   = receiver_id == status.account_id                                                                                   # Filter if I'm mentioning myself
-    should_filter ||= Block.where(account_id: receiver_id, target_account_id: check_for_blocks).any?                                     # or it's from someone I blocked, in reply to someone I blocked, or mentioning someone I blocked
+    should_filter   = Block.where(account_id: receiver_id, target_account_id: check_for_blocks).any?                                     # Filter if it's from someone I blocked, in reply to someone I blocked, or mentioning someone I blocked
    should_filter ||= (status.account.silenced? && !Follow.where(account_id: receiver_id, target_account_id: status.account_id).exists?) # of if the account is silenced and I'm not following them

    should_filter
--- a/app/lib/provider_discovery.rb
+++ b/app/lib/provider_discovery.rb
@ -1,11 +1,9 @@
 # frozen_string_literal: true

 class ProviderDiscovery < OEmbed::ProviderDiscovery
-  extend HttpHelper
-
  class << self
    def discover_provider(url, options = {})
-      res    = http_client.get(url)
+      res    = Request.new(:get, url).perform
      format = options[:format]

      raise OEmbed::NotFound, url if res.code != 200 || res.mime_type != 'text/html'
--- a/app/lib/request.rb
+++ b/app/lib/request.rb
@ -0,0 +1,70 @@
+# frozen_string_literal: true
+
+class Request
+  REQUEST_TARGET = '(request-target)'
+
+  include RoutingHelper
+
+  def initialize(verb, url, options = {})
+    @verb    = verb
+    @url     = Addressable::URI.parse(url).normalize
+    @options = options
+    @headers = {}
+
+    set_common_headers!
+  end
+
+  def on_behalf_of(account)
+    raise ArgumentError unless account.local?
+    @account = account
+  end
+
+  def add_headers(new_headers)
+    @headers.merge!(new_headers)
+  end
+
+  def perform
+    http_client.headers(headers).public_send(@verb, @url.to_s, @options)
+  end
+
+  def headers
+    (@account ? @headers.merge('Signature' => signature) : @headers).without(REQUEST_TARGET)
+  end
+
+  private
+
+  def set_common_headers!
+    @headers[REQUEST_TARGET] = "#{@verb} #{@url.path}"
+    @headers['User-Agent']   = user_agent
+    @headers['Host']         = @url.host
+    @headers['Date']         = Time.now.utc.httpdate
+  end
+
+  def signature
+    key_id    = @account.to_webfinger_s
+    algorithm = 'rsa-sha256'
+    signature = Base64.strict_encode64(@account.keypair.sign(OpenSSL::Digest::SHA256.new, signed_string))
+
+    "keyId=\"#{key_id}\",algorithm=\"#{algorithm}\",headers=\"#{signed_headers}\",signature=\"#{signature}\""
+  end
+
+  def signed_string
+    @headers.map { |key, value| "#{key.downcase}: #{value}" }.join("\n")
+  end
+
+  def signed_headers
+    @headers.keys.join(' ').downcase
+  end
+
+  def user_agent
+    @user_agent ||= "#{HTTP::Request::USER_AGENT} (Mastodon/#{Mastodon::Version}; +#{root_url})"
+  end
+
+  def timeout
+    { write: 10, connect: 10, read: 10 }
+  end
+
+  def http_client
+    HTTP.timeout(:per_operation, timeout).follow
+  end
+end
--- a/app/lib/tag_manager.rb
+++ b/app/lib/tag_manager.rb
@ -70,7 +70,7 @@ class TagManager

    uri = Addressable::URI.new
    uri.host = domain.gsub(/[\/]/, '')
-    uri.normalize.host
+    uri.normalized_host
  end

  def same_acct?(canonical, needle)
--- a/app/lib/user_settings_decorator.rb
+++ b/app/lib/user_settings_decorator.rb
@ -23,6 +23,7 @@ class UserSettingsDecorator
    user.settings['delete_modal'] = delete_modal_preference
    user.settings['auto_play_gif'] = auto_play_gif_preference
    user.settings['system_font_ui'] = system_font_ui_preference
+    user.settings['noindex'] = noindex_preference
  end

  def merged_notification_emails
@ -57,6 +58,10 @@ class UserSettingsDecorator
    boolean_cast_setting 'setting_auto_play_gif'
  end

+  def noindex_preference
+    boolean_cast_setting 'setting_noindex'
+  end
+
  def boolean_cast_setting(key)
    settings[key] == '1'
  end
--- a/app/models/account.rb
+++ b/app/models/account.rb
@ -47,6 +47,7 @@ class Account < ApplicationRecord
  include AccountInteractions
  include Attachmentable
  include Remotable
+  include EmojiHelper

  # Local users
  has_one :user, inverse_of: :account
@ -129,7 +130,7 @@ class Account < ApplicationRecord
  end

  def subscription(webhook_url)
-    OStatus2::Subscription.new(remote_url, secret: secret, lease_seconds: 86_400 * 30, webhook: webhook_url, hub: hub_url)
+    OStatus2::Subscription.new(remote_url, secret: secret, lease_seconds: 30.days.seconds, webhook: webhook_url, hub: hub_url)
  end

  def save_with_optional_media!
@ -240,9 +241,18 @@ class Account < ApplicationRecord

  before_create :generate_keys
  before_validation :normalize_domain
+  before_validation :prepare_contents, if: :local?

  private

+  def prepare_contents
+    display_name&.strip!
+    note&.strip!
+
+    self.display_name = emojify(display_name)
+    self.note         = emojify(note)
+  end
+
  def generate_keys
    return unless local?

--- a/app/models/concerns/remotable.rb
+++ b/app/models/concerns/remotable.rb
@ -1,7 +1,6 @@
 # frozen_string_literal: true

 module Remotable
-  include HttpHelper
  extend ActiveSupport::Concern

  included do
@ -20,7 +19,7 @@ module Remotable
        return if !%w(http https).include?(parsed_url.scheme) || parsed_url.host.empty? || self[attribute_name] == url

        begin
-          response = http_client.get(url)
+          response = Request.new(:get, url).perform

          return if response.code != 200

--- a/app/models/domain_block.rb
+++ b/app/models/domain_block.rb
@ -8,7 +8,7 @@
 #  created_at   :datetime         not null
 #  updated_at   :datetime         not null
 #  severity     :integer          default("silence")
-#  reject_media :boolean
+#  reject_media :boolean          default(FALSE), not null
 #

 class DomainBlock < ApplicationRecord
--- a/app/models/import.rb
+++ b/app/models/import.rb
@ -6,7 +6,7 @@
 #  id                :integer          not null, primary key
 #  account_id        :integer          not null
 #  type              :integer          not null
-#  approved          :boolean
+#  approved          :boolean          default(FALSE), not null
 #  created_at        :datetime         not null
 #  updated_at        :datetime         not null
 #  data_file_name    :string
--- a/Show More
+++ b/Show More