forked from cybrespace/mastodon
105 lines
4 KiB
Ruby
105 lines
4 KiB
Ruby
# frozen_string_literal: true
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class ApiController < ApplicationController
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DEFAULT_STATUSES_LIMIT = 20
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DEFAULT_ACCOUNTS_LIMIT = 40
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protect_from_forgery with: :null_session
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skip_before_action :verify_authenticity_token
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before_action :set_rate_limit_headers
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rescue_from ActiveRecord::RecordInvalid do |e|
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render json: { error: e.to_s }, status: 422
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end
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rescue_from ActiveRecord::RecordNotFound do
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render json: { error: 'Record not found' }, status: 404
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end
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rescue_from Goldfinger::Error do
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render json: { error: 'Remote account could not be resolved' }, status: 422
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end
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rescue_from HTTP::Error do
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render json: { error: 'Remote data could not be fetched' }, status: 503
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end
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rescue_from OpenSSL::SSL::SSLError do
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render json: { error: 'Remote SSL certificate could not be verified' }, status: 503
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end
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def doorkeeper_unauthorized_render_options(error: nil)
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{ json: { error: (error.try(:description) || 'Not authorized') } }
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end
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def doorkeeper_forbidden_render_options(*)
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{ json: { error: 'This action is outside the authorized scopes' } }
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end
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protected
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def set_rate_limit_headers
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return if request.env['rack.attack.throttle_data'].nil?
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now = Time.now.utc
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match_data = request.env['rack.attack.throttle_data']['api']
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response.headers['X-RateLimit-Limit'] = match_data[:limit].to_s
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response.headers['X-RateLimit-Remaining'] = (match_data[:limit] - match_data[:count]).to_s
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response.headers['X-RateLimit-Reset'] = (now + (match_data[:period] - now.to_i % match_data[:period])).iso8601(6)
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end
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def set_pagination_headers(next_path = nil, prev_path = nil)
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links = []
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links << [next_path, [%w(rel next)]] if next_path
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links << [prev_path, [%w(rel prev)]] if prev_path
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response.headers['Link'] = LinkHeader.new(links)
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end
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def current_resource_owner
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@current_user ||= User.find(doorkeeper_token.resource_owner_id) if doorkeeper_token
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end
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def current_user
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super || current_resource_owner
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rescue ActiveRecord::RecordNotFound
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nil
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end
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def require_user!
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current_resource_owner
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rescue ActiveRecord::RecordNotFound
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render json: { error: 'This method requires an authenticated user' }, status: 422
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end
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def render_empty
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render json: {}, status: 200
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end
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def set_maps(statuses) # rubocop:disable Style/AccessorMethodName
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if current_account.nil?
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@reblogs_map = {}
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@favourites_map = {}
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return
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end
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status_ids = statuses.flat_map { |s| [s.id, s.reblog_of_id] }.compact.uniq
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@reblogs_map = Status.reblogs_map(status_ids, current_account)
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@favourites_map = Status.favourites_map(status_ids, current_account)
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end
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def set_counters_maps(statuses) # rubocop:disable Style/AccessorMethodName
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status_ids = statuses.map { |s| s.reblog? ? s.reblog_of_id : s.id }.uniq
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@favourites_counts_map = Favourite.select('status_id, COUNT(id) AS favourites_count').group('status_id').where(status_id: status_ids).map { |f| [f.status_id, f.favourites_count] }.to_h
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@reblogs_counts_map = Status.select('statuses.id, COUNT(reblogs.id) AS reblogs_count').joins('LEFT OUTER JOIN statuses AS reblogs ON statuses.id = reblogs.reblog_of_id').where(id: status_ids).group('statuses.id').map { |r| [r.id, r.reblogs_count] }.to_h
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end
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def set_account_counters_maps(accounts) # rubocop:disable Style/AccessorMethodName
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account_ids = accounts.map(&:id)
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@followers_counts_map = Follow.unscoped.select('target_account_id, COUNT(account_id) AS followers_count').group('target_account_id').where(target_account_id: account_ids).map { |f| [f.target_account_id, f.followers_count] }.to_h
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@following_counts_map = Follow.unscoped.select('account_id, COUNT(target_account_id) AS following_count').group('account_id').where(account_id: account_ids).map { |f| [f.account_id, f.following_count] }.to_h
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@statuses_counts_map = Status.unscoped.select('account_id, COUNT(id) AS statuses_count').group('account_id').where(account_id: account_ids).map { |s| [s.account_id, s.statuses_count] }.to_h
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end
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end
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