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-rw-r--r--app/models/account.rb16
-rw-r--r--app/models/direct_feed.rb31
-rw-r--r--app/models/form/admin_settings.rb26
-rw-r--r--app/models/list.rb13
-rw-r--r--app/models/media_attachment.rb4
-rw-r--r--app/models/mute.rb2
-rw-r--r--app/models/status.rb80
-rw-r--r--app/models/user.rb7
8 files changed, 154 insertions, 25 deletions
diff --git a/app/models/account.rb b/app/models/account.rb
index dc14e8538..e56db3126 100644
--- a/app/models/account.rb
+++ b/app/models/account.rb
@@ -63,6 +63,10 @@ class Account < ApplicationRecord
   include AccountCounters
   include DomainNormalizable
 
+  MAX_DISPLAY_NAME_LENGTH = (ENV['MAX_DISPLAY_NAME_CHARS'] || 30).to_i
+  MAX_NOTE_LENGTH = (ENV['MAX_BIO_CHARS'] || 500).to_i
+  MAX_FIELDS = (ENV['MAX_PROFILE_FIELDS'] || 4).to_i
+
   TRUST_LEVELS = {
     untrusted: 0,
     trusted: 1,
@@ -79,9 +83,9 @@ class Account < ApplicationRecord
   # Local user validations
   validates :username, format: { with: /\A[a-z0-9_]+\z/i }, length: { maximum: 30 }, if: -> { local? && will_save_change_to_username? && actor_type != 'Application' }
   validates_with UnreservedUsernameValidator, if: -> { local? && will_save_change_to_username? }
-  validates :display_name, length: { maximum: 30 }, if: -> { local? && will_save_change_to_display_name? }
-  validates :note, note_length: { maximum: 500 }, if: -> { local? && will_save_change_to_note? }
-  validates :fields, length: { maximum: 4 }, if: -> { local? && will_save_change_to_fields? }
+  validates :display_name, length: { maximum: MAX_DISPLAY_NAME_LENGTH }, if: -> { local? && will_save_change_to_display_name? }
+  validates :note, note_length: { maximum: MAX_NOTE_LENGTH }, if: -> { local? && will_save_change_to_note? }
+  validates :fields, length: { maximum: MAX_FIELDS }, if: -> { local? && will_save_change_to_fields? }
 
   scope :remote, -> { where.not(domain: nil) }
   scope :local, -> { where(domain: nil) }
@@ -300,15 +304,13 @@ class Account < ApplicationRecord
     self[:fields] = fields
   end
 
-  DEFAULT_FIELDS_SIZE = 4
-
   def build_fields
-    return if fields.size >= DEFAULT_FIELDS_SIZE
+    return if fields.size >= MAX_FIELDS
 
     tmp = self[:fields] || []
     tmp = [] if tmp.is_a?(Hash)
 
-    (DEFAULT_FIELDS_SIZE - tmp.size).times do
+    (MAX_FIELDS - tmp.size).times do
       tmp << { name: '', value: '' }
     end
 
diff --git a/app/models/direct_feed.rb b/app/models/direct_feed.rb
new file mode 100644
index 000000000..c0b8a0a35
--- /dev/null
+++ b/app/models/direct_feed.rb
@@ -0,0 +1,31 @@
+# frozen_string_literal: true
+
+class DirectFeed < Feed
+  include Redisable
+
+  def initialize(account)
+    @type    = :direct
+    @id      = account.id
+    @account = account
+  end
+
+  def get(limit, max_id = nil, since_id = nil, min_id = nil)
+    unless redis.exists("account:#{@account.id}:regeneration")
+      statuses = super
+      return statuses unless statuses.empty?
+    end
+    from_database(limit, max_id, since_id, min_id)
+  end
+
+  private
+
+  def from_database(limit, max_id, since_id, min_id)
+    loop do
+      statuses = Status.as_direct_timeline(@account, limit, max_id, since_id, min_id)
+      return statuses if statuses.empty?
+      max_id = statuses.last.id
+      statuses = statuses.reject { |status| FeedManager.instance.filter?(:direct, status, @account.id) }
+      return statuses unless statuses.empty?
+    end
+  end
+end
diff --git a/app/models/form/admin_settings.rb b/app/models/form/admin_settings.rb
index 390836f28..84a656864 100644
--- a/app/models/form/admin_settings.rb
+++ b/app/models/form/admin_settings.rb
@@ -18,7 +18,8 @@ class Form::AdminSettings
     show_staff_badge
     enable_bootstrap_timeline_accounts
     bootstrap_timeline_accounts
-    theme
+    flavour
+    skin
     min_invite_role
     activity_api_enabled
     peers_api_enabled
@@ -26,9 +27,14 @@ class Form::AdminSettings
     preview_sensitive_media
     custom_css
     profile_directory
+    hide_followers_count
+    enable_keybase
+    flavour_and_skin
     thumbnail
     hero
     mascot
+    show_reblogs_in_public_timelines
+    show_replies_in_public_timelines
     spam_check_enabled
     trends
     trendable_by_default
@@ -47,6 +53,10 @@ class Form::AdminSettings
     show_known_fediverse_at_about_page
     preview_sensitive_media
     profile_directory
+    hide_followers_count
+    enable_keybase
+    show_reblogs_in_public_timelines
+    show_replies_in_public_timelines
     spam_check_enabled
     trends
     trendable_by_default
@@ -59,6 +69,10 @@ class Form::AdminSettings
     mascot
   ).freeze
 
+  PSEUDO_KEYS = %i(
+    flavour_and_skin
+  ).freeze
+
   attr_accessor(*KEYS)
 
   validates :site_short_description, :site_description, html: { wrap_with: :p }
@@ -80,6 +94,7 @@ class Form::AdminSettings
     return false unless valid?
 
     KEYS.each do |key|
+      next if PSEUDO_KEYS.include?(key)
       value = instance_variable_get("@#{key}")
 
       if UPLOAD_KEYS.include?(key) && !value.nil?
@@ -92,10 +107,19 @@ class Form::AdminSettings
     end
   end
 
+  def flavour_and_skin
+    "#{Setting.flavour}/#{Setting.skin}"
+  end
+
+  def flavour_and_skin=(value)
+    @flavour, @skin = value.split('/', 2)
+  end
+
   private
 
   def initialize_attributes
     KEYS.each do |key|
+      next if PSEUDO_KEYS.include?(key)
       instance_variable_set("@#{key}", Setting.public_send(key)) if instance_variable_get("@#{key}").nil?
     end
   end
diff --git a/app/models/list.rb b/app/models/list.rb
index c9c94fca1..8493046e5 100644
--- a/app/models/list.rb
+++ b/app/models/list.rb
@@ -3,11 +3,12 @@
 #
 # Table name: lists
 #
-#  id         :bigint(8)        not null, primary key
-#  account_id :bigint(8)        not null
-#  title      :string           default(""), not null
-#  created_at :datetime         not null
-#  updated_at :datetime         not null
+#  id             :bigint(8)        not null, primary key
+#  account_id     :bigint(8)        not null
+#  title          :string           default(""), not null
+#  created_at     :datetime         not null
+#  updated_at     :datetime         not null
+#  replies_policy :integer          default("list_replies"), not null
 #
 
 class List < ApplicationRecord
@@ -15,6 +16,8 @@ class List < ApplicationRecord
 
   PER_ACCOUNT_LIMIT = 50
 
+  enum replies_policy: [:list_replies, :all_replies, :no_replies], _prefix: :show
+
   belongs_to :account, optional: true
 
   has_many :list_accounts, inverse_of: :list, dependent: :destroy
diff --git a/app/models/media_attachment.rb b/app/models/media_attachment.rb
index f45e2c9f7..40624c73c 100644
--- a/app/models/media_attachment.rb
+++ b/app/models/media_attachment.rb
@@ -130,8 +130,8 @@ class MediaAttachment < ApplicationRecord
     original: VIDEO_FORMAT,
   }.freeze
 
-  IMAGE_LIMIT = 10.megabytes
-  VIDEO_LIMIT = 40.megabytes
+  IMAGE_LIMIT = (ENV['MAX_IMAGE_SIZE'] || 10.megabytes).to_i
+  VIDEO_LIMIT = (ENV['MAX_VIDEO_SIZE'] || 40.megabytes).to_i
 
   MAX_VIDEO_MATRIX_LIMIT = 2_304_000 # 1920x1200px
   MAX_VIDEO_FRAME_RATE   = 60
diff --git a/app/models/mute.rb b/app/models/mute.rb
index 0e00c2278..639120f7d 100644
--- a/app/models/mute.rb
+++ b/app/models/mute.rb
@@ -6,9 +6,9 @@
 #  id                 :bigint(8)        not null, primary key
 #  created_at         :datetime         not null
 #  updated_at         :datetime         not null
+#  hide_notifications :boolean          default(TRUE), not null
 #  account_id         :bigint(8)        not null
 #  target_account_id  :bigint(8)        not null
-#  hide_notifications :boolean          default(TRUE), not null
 #
 
 class Mute < ApplicationRecord
diff --git a/app/models/status.rb b/app/models/status.rb
index fef4e2596..31e77770d 100644
--- a/app/models/status.rb
+++ b/app/models/status.rb
@@ -21,7 +21,10 @@
 #  account_id             :bigint(8)        not null
 #  application_id         :bigint(8)
 #  in_reply_to_account_id :bigint(8)
+#  local_only             :boolean
+#  full_status_text       :text             default(""), not null
 #  poll_id                :bigint(8)
+#  content_type           :string
 #  deleted_at             :datetime
 #
 
@@ -77,6 +80,7 @@ class Status < ApplicationRecord
   validates_with DisallowedHashtagsValidator
   validates :reblog, uniqueness: { scope: :account }, if: :reblog?
   validates :visibility, exclusion: { in: %w(direct limited) }, if: :reblog?
+  validates :content_type, inclusion: { in: %w(text/plain text/markdown text/html) }, allow_nil: true
 
   accepts_nested_attributes_for :poll
 
@@ -107,6 +111,8 @@ class Status < ApplicationRecord
     end
   }
 
+  scope :not_local_only, -> { where(local_only: [false, nil]) }
+
   cache_associated :application,
                    :media_attachments,
                    :conversation,
@@ -276,6 +282,8 @@ class Status < ApplicationRecord
 
   around_create Mastodon::Snowflake::Callbacks
 
+  before_create :set_locality
+
   before_validation :prepare_contents, if: :local?
   before_validation :set_reblog
   before_validation :set_visibility
@@ -293,8 +301,50 @@ class Status < ApplicationRecord
       where(language: nil).or where(language: account.chosen_languages)
     end
 
+    def as_direct_timeline(account, limit = 20, max_id = nil, since_id = nil, cache_ids = false)
+      # direct timeline is mix of direct message from_me and to_me.
+      # 2 queries are executed with pagination.
+      # constant expression using arel_table is required for partial index
+
+      # _from_me part does not require any timeline filters
+      query_from_me = where(account_id: account.id)
+                      .where(Status.arel_table[:visibility].eq(3))
+                      .limit(limit)
+                      .order('statuses.id DESC')
+
+      # _to_me part requires mute and block filter.
+      # FIXME: may we check mutes.hide_notifications?
+      query_to_me = Status
+                    .joins(:mentions)
+                    .merge(Mention.where(account_id: account.id))
+                    .where(Status.arel_table[:visibility].eq(3))
+                    .limit(limit)
+                    .order('mentions.status_id DESC')
+                    .not_excluded_by_account(account)
+
+      if max_id.present?
+        query_from_me = query_from_me.where('statuses.id < ?', max_id)
+        query_to_me = query_to_me.where('mentions.status_id < ?', max_id)
+      end
+
+      if since_id.present?
+        query_from_me = query_from_me.where('statuses.id > ?', since_id)
+        query_to_me = query_to_me.where('mentions.status_id > ?', since_id)
+      end
+
+      if cache_ids
+        # returns array of cache_ids object that have id and updated_at
+        (query_from_me.cache_ids.to_a + query_to_me.cache_ids.to_a).uniq(&:id).sort_by(&:id).reverse.take(limit)
+      else
+        # returns ActiveRecord.Relation
+        items = (query_from_me.select(:id).to_a + query_to_me.select(:id).to_a).uniq(&:id).sort_by(&:id).reverse.take(limit)
+        Status.where(id: items.map(&:id))
+      end
+    end
+
     def as_public_timeline(account = nil, local_only = false)
-      query = timeline_scope(local_only).without_replies
+      query = timeline_scope(local_only)
+      query = query.without_replies unless Setting.show_replies_in_public_timelines
 
       apply_timeline_filters(query, account, local_only)
     end
@@ -353,7 +403,7 @@ class Status < ApplicationRecord
       visibility = [:public, :unlisted]
 
       if account.nil?
-        where(visibility: visibility)
+        where(visibility: visibility).not_local_only
       elsif target_account.blocking?(account) # get rid of blocked peeps
         none
       elsif account.id == target_account.id # author can see own stuff
@@ -390,9 +440,12 @@ class Status < ApplicationRecord
 
     def timeline_scope(local_only = false)
       starting_scope = local_only ? Status.local : Status
-      starting_scope
-        .with_public_visibility
-        .without_reblogs
+      starting_scope = starting_scope.with_public_visibility
+      if Setting.show_reblogs_in_public_timelines
+        starting_scope
+      else
+        starting_scope.without_reblogs
+      end
     end
 
     def apply_timeline_filters(query, account, local_only)
@@ -411,7 +464,7 @@ class Status < ApplicationRecord
     end
 
     def filter_timeline_default(query)
-      query.excluding_silenced_accounts
+      query.not_local_only.excluding_silenced_accounts
     end
 
     def account_silencing_filter(account)
@@ -424,6 +477,15 @@ class Status < ApplicationRecord
     end
   end
 
+  def marked_local_only?
+    # match both with and without U+FE0F (the emoji variation selector)
+    /#{local_only_emoji}\ufe0f?\z/.match?(content)
+  end
+
+  def local_only_emoji
+    '👁'
+  end
+
   def status_stat
     super || build_status_stat
   end
@@ -459,6 +521,12 @@ class Status < ApplicationRecord
     self.sensitive  = false if sensitive.nil?
   end
 
+  def set_locality
+    if account.domain.nil? && !attribute_changed?(:local_only)
+      self.local_only = marked_local_only?
+    end
+  end
+
   def set_conversation
     self.thread = thread.reblog if thread&.reblog?
 
diff --git a/app/models/user.rb b/app/models/user.rb
index ae0cdf29d..c8dbd2fd3 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -107,10 +107,11 @@ class User < ApplicationRecord
 
   has_many :session_activations, dependent: :destroy
 
-  delegate :auto_play_gif, :default_sensitive, :unfollow_modal, :boost_modal, :delete_modal,
-           :reduce_motion, :system_font_ui, :noindex, :theme, :display_media, :hide_network,
+  delegate :auto_play_gif, :default_sensitive, :unfollow_modal, :boost_modal, :favourite_modal, :delete_modal,
+           :reduce_motion, :system_font_ui, :noindex, :flavour, :skin, :display_media, :hide_network, :hide_followers_count,
            :expand_spoilers, :default_language, :aggregate_reblogs, :show_application,
            :advanced_layout, :use_blurhash, :use_pending_items, :trends, :crop_images,
+           :default_content_type, :system_emoji_font,
            to: :settings, prefix: :setting, allow_nil: false
 
   attr_reader :invite_code
@@ -168,7 +169,7 @@ class User < ApplicationRecord
   end
 
   def functional?
-    confirmed? && approved? && !disabled? && !account.suspended? && account.moved_to_account_id.nil?
+    confirmed? && approved? && !disabled? && !account.suspended?
   end
 
   def unconfirmed_or_pending?