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233 lines
7.1 KiB
233 lines
7.1 KiB
# frozen_string_literal: true
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class ApplicationController < ActionController::Base
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# Prevent CSRF attacks by raising an exception.
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# For APIs, you may want to use :null_session instead.
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protect_from_forgery with: :exception
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force_ssl if: :https_enabled?
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include Localized
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include UserTrackingConcern
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include SessionTrackingConcern
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helper_method :current_account
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helper_method :current_session
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helper_method :current_flavour
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helper_method :current_skin
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helper_method :single_user_mode?
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helper_method :use_seamless_external_login?
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rescue_from ActionController::RoutingError, with: :not_found
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rescue_from ActiveRecord::RecordNotFound, with: :not_found
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rescue_from ActionController::InvalidAuthenticityToken, with: :unprocessable_entity
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rescue_from ActionController::UnknownFormat, with: :not_acceptable
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rescue_from Mastodon::NotPermittedError, with: :forbidden
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before_action :store_current_location, except: :raise_not_found, unless: :devise_controller?
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before_action :check_user_permissions, if: :user_signed_in?
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def raise_not_found
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raise ActionController::RoutingError, "No route matches #{params[:unmatched_route]}"
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end
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private
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def https_enabled?
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Rails.env.production?
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end
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def store_current_location
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store_location_for(:user, request.url) unless request.format == :json
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end
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def require_admin!
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forbidden unless current_user&.admin?
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end
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def require_staff!
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forbidden unless current_user&.staff?
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end
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def check_user_permissions
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forbidden if current_user.disabled? || current_user.account.suspended?
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end
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def after_sign_out_path_for(_resource_or_scope)
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new_user_session_path
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end
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def pack(data, pack_name, skin = 'default')
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return nil unless pack?(data, pack_name)
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pack_data = {
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common: pack_name == 'common' ? nil : resolve_pack(data['name'] ? Themes.instance.flavour(current_flavour) : Themes.instance.core, 'common', skin),
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flavour: data['name'],
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pack: pack_name,
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preload: nil,
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skin: nil,
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supported_locales: data['locales'],
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}
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if data['pack'][pack_name].is_a?(Hash)
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pack_data[:common] = nil if data['pack'][pack_name]['use_common'] == false
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pack_data[:pack] = nil unless data['pack'][pack_name]['filename']
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if data['pack'][pack_name]['preload']
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pack_data[:preload] = [data['pack'][pack_name]['preload']] if data['pack'][pack_name]['preload'].is_a?(String)
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pack_data[:preload] = data['pack'][pack_name]['preload'] if data['pack'][pack_name]['preload'].is_a?(Array)
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end
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if skin != 'default' && data['skin'][skin]
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pack_data[:skin] = skin if data['skin'][skin].include?(pack_name)
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else # default skin
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pack_data[:skin] = 'default' if data['pack'][pack_name]['stylesheet']
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end
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end
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pack_data
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end
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def pack?(data, pack_name)
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if data['pack'].is_a?(Hash) && data['pack'].key?(pack_name)
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return true if data['pack'][pack_name].is_a?(String) || data['pack'][pack_name].is_a?(Hash)
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end
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false
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end
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def nil_pack(data, pack_name, skin = 'default')
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{
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common: pack_name == 'common' ? nil : resolve_pack(data['name'] ? Themes.instance.flavour(current_flavour) : Themes.instance.core, 'common', skin),
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flavour: data['name'],
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pack: nil,
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preload: nil,
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skin: nil,
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supported_locales: data['locales'],
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}
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end
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def resolve_pack(data, pack_name, skin = 'default')
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result = pack(data, pack_name, skin)
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unless result
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if data['name'] && data.key?('fallback')
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if data['fallback'].nil?
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return nil_pack(data, pack_name, skin)
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elsif data['fallback'].is_a?(String) && Themes.instance.flavour(data['fallback'])
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return resolve_pack(Themes.instance.flavour(data['fallback']), pack_name)
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elsif data['fallback'].is_a?(Array)
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data['fallback'].each do |fallback|
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return resolve_pack(Themes.instance.flavour(fallback), pack_name) if Themes.instance.flavour(fallback)
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end
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end
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return nil_pack(data, pack_name, skin)
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end
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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)
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end
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result
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end
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def use_pack(pack_name)
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@core = resolve_pack(Themes.instance.core, pack_name)
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@theme = resolve_pack(Themes.instance.flavour(current_flavour), pack_name, current_skin)
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end
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protected
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def truthy_param?(key)
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ActiveModel::Type::Boolean.new.cast(params[key])
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end
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def forbidden
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respond_with_error(403)
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end
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def not_found
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respond_with_error(404)
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end
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def gone
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respond_with_error(410)
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end
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def unprocessable_entity
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respond_with_error(422)
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end
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def not_acceptable
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respond_with_error(406)
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end
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def single_user_mode?
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@single_user_mode ||= Rails.configuration.x.single_user_mode && Account.exists?
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end
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def use_seamless_external_login?
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Devise.pam_authentication || Devise.ldap_authentication
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end
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def current_account
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@current_account ||= current_user.try(:account)
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end
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def current_session
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@current_session ||= SessionActivation.find_by(session_id: cookies.signed['_session_id'])
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end
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def current_flavour
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return Setting.flavour unless Themes.instance.flavours.include? current_user&.setting_flavour
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current_user.setting_flavour
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end
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def current_skin
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return Setting.skin unless Themes.instance.skins_for(current_flavour).include? current_user&.setting_skin
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current_user.setting_skin
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end
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def cache_collection(raw, klass)
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return raw unless klass.respond_to?(:with_includes)
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raw = raw.cache_ids.to_a if raw.is_a?(ActiveRecord::Relation)
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cached_keys_with_value = Rails.cache.read_multi(*raw).transform_keys(&:id)
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uncached_ids = raw.map(&:id) - cached_keys_with_value.keys
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klass.reload_stale_associations!(cached_keys_with_value.values) if klass.respond_to?(:reload_stale_associations!)
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unless uncached_ids.empty?
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uncached = klass.where(id: uncached_ids).with_includes.each_with_object({}) { |item, h| h[item.id] = item }
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uncached.each_value do |item|
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Rails.cache.write(item, item)
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end
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end
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raw.map { |item| cached_keys_with_value[item.id] || uncached[item.id] }.compact
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end
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def respond_with_error(code)
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respond_to do |format|
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format.any { head code }
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format.html do
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set_locale
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use_pack 'error'
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render "errors/#{code}", layout: 'error', status: code
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end
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end
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end
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def render_cached_json(cache_key, **options)
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options[:expires_in] ||= 3.minutes
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cache_public = options.key?(:public) ? options.delete(:public) : true
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content_type = options.delete(:content_type) || 'application/json'
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data = Rails.cache.fetch(cache_key, { raw: true }.merge(options)) do
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yield.to_json
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end
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expires_in options[:expires_in], public: cache_public
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render json: data, content_type: content_type
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end
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def set_cache_headers
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response.headers['Vary'] = 'Accept'
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end
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def skip_session!
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request.session_options[:skip] = true
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end
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end
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