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# frozen_string_literal: true
class ApplicationController < ActionController::Base
# Prevent CSRF attacks by raising an exception.
# For APIs, you may want to use :null_session instead.
protect_from_forgery with: :exception
force_ssl if: :https_enabled?
include Localized
include UserTrackingConcern
helper_method :current_account
helper_method :current_session
helper_method :current_flavour
helper_method :current_skin
helper_method :single_user_mode?
rescue_from ActionController::RoutingError, with: :not_found
rescue_from ActiveRecord::RecordNotFound, with: :not_found
rescue_from ActionController::InvalidAuthenticityToken, with: :unprocessable_entity
rescue_from Mastodon::NotPermittedError, with: :forbidden
before_action :store_current_location, except: :raise_not_found, unless: :devise_controller?
before_action :check_suspension, if: :user_signed_in?
def raise_not_found
raise ActionController::RoutingError, "No route matches #{params[:unmatched_route]}"
end
private
def https_enabled?
Rails.env.production? && ENV['LOCAL_HTTPS'] == 'true'
end
def store_current_location
store_location_for(:user, request.url)
end
def require_admin!
redirect_to root_path unless current_user&.admin?
end
def require_staff!
redirect_to root_path unless current_user&.staff?
end
def check_suspension
forbidden if current_user.account.suspended?
end
def after_sign_out_path_for(_resource_or_scope)
new_user_session_path
end
def pack(data, pack_name, skin = 'default')
return nil unless pack?(data, pack_name)
pack_data = {
common: pack_name == 'common' ? nil : resolve_pack(data['name'] ? Themes.instance.flavour(current_flavour) : Themes.instance.core, 'common', skin),
flavour: data['name'],
pack: pack_name,
preload: nil,
skin: nil,
}
if data['pack'][pack_name].is_a?(Hash)
pack_data[:common] = nil if data['pack'][pack_name]['use_common'] == false
pack_data[:pack] = nil unless data['pack'][pack_name]['filename']
if data['pack'][pack_name]['preload']
pack_data[:preload] = [data['pack'][pack_name]['preload']] if data['pack'][pack_name]['preload'].is_a?(String)
pack_data[:preload] = data['pack'][pack_name]['preload'] if data['pack'][pack_name]['preload'].is_a?(Array)
end
if skin != 'default' && data['skin'][skin]
pack_data[:skin] = skin if data['skin'][skin].include?(pack_name)
else # default skin
pack_data[:skin] = 'default' if data['pack'][pack_name]['stylesheet']
end
end
pack_data
end
def pack?(data, pack_name)
if data['pack'].is_a?(Hash) && data['pack'].key?(pack_name)
return true if data['pack'][pack_name].is_a?(String) || data['pack'][pack_name].is_a?(Hash)
end
false
end
def nil_pack(data, pack_name, skin = 'default')
{
common: pack_name == 'common' ? nil : resolve_pack(data['name'] ? Themes.instance.flavour(current_flavour) : Themes.instance.core, 'common', skin),
flavour: data['name'],
pack: nil,
preload: nil,
skin: nil,
}
end
def resolve_pack(data, pack_name, skin = 'default')
result = pack(data, pack_name, skin)
unless result
if data['name'] && data.key?('fallback')
if data['fallback'].nil?
return nil_pack(data, pack_name, skin)
elsif data['fallback'].is_a?(String) && Themes.instance.flavour(data['fallback'])
return resolve_pack(Themes.instance.flavour(data['fallback']), pack_name)
elsif data['fallback'].is_a?(Array)
data['fallback'].each do |fallback|
return resolve_pack(Themes.instance.flavour(fallback), pack_name) if Themes.instance.flavour(fallback)
end
end
return nil_pack(data, pack_name, skin)
end
return data.key?('name') && data['name'] != Setting.default_settings['flavour'] ? resolve_pack(Themes.instance.flavour(Setting.default_settings['flavour']), pack_name) : nil_pack(data, pack_name, skin)
end
result
end
def use_pack(pack_name)
@core = resolve_pack(Themes.instance.core, pack_name)
@theme = resolve_pack(Themes.instance.flavour(current_flavour), pack_name, current_skin)
end
protected
def forbidden
respond_with_error(403)
end
def not_found
respond_with_error(404)
end
def gone
respond_with_error(410)
end
def unprocessable_entity
respond_with_error(422)
end
def single_user_mode?
@single_user_mode ||= Rails.configuration.x.single_user_mode && Account.exists?
end
def current_account
@current_account ||= current_user.try(:account)
end
def current_session
@current_session ||= SessionActivation.find_by(session_id: cookies.signed['_session_id'])
end
def current_flavour
return Setting.default_settings['flavour'] unless Themes.instance.flavours.include? current_user&.setting_flavour
current_user.setting_flavour
end
def current_skin
return 'default' unless Themes.instance.skins_for(current_flavour).include? current_user&.setting_skin
current_user.setting_skin
end
def cache_collection(raw, klass)
return raw unless klass.respond_to?(:with_includes)
raw = raw.cache_ids.to_a if raw.is_a?(ActiveRecord::Relation)
uncached_ids = []
cached_keys_with_value = Rails.cache.read_multi(*raw.map(&:cache_key))
raw.each do |item|
uncached_ids << item.id unless cached_keys_with_value.key?(item.cache_key)
end
klass.reload_stale_associations!(cached_keys_with_value.values) if klass.respond_to?(:reload_stale_associations!)
unless uncached_ids.empty?
uncached = klass.where(id: uncached_ids).with_includes.map { |item| [item.id, item] }.to_h
uncached.each_value do |item|
Rails.cache.write(item.cache_key, item)
end
end
raw.map { |item| cached_keys_with_value[item.cache_key] || uncached[item.id] }.compact
end
def respond_with_error(code)
respond_to do |format|
format.any { head code }
format.html do
set_locale
render "errors/#{code}", layout: 'error', status: code
end
end
end
end
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