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# frozen_string_literal: true
class Api::BaseController < ApplicationController
DEFAULT_STATUSES_LIMIT = 20
DEFAULT_ACCOUNTS_LIMIT = 40
include RateLimitHeaders
include AccessTokenTrackingConcern
skip_before_action :store_current_location
skip_before_action :require_functional!, unless: :whitelist_mode?
before_action :require_authenticated_user!, if: :disallow_unauthenticated_api_access?
before_action :require_not_suspended!
before_action :set_cache_headers
protect_from_forgery with: :null_session
rescue_from ActiveRecord::RecordInvalid, Mastodon::ValidationError do |e|
render json: { error: e.to_s }, status: 422
end
rescue_from ActiveRecord::RecordNotUnique do
render json: { error: 'Duplicate record' }, status: 422
end
rescue_from Date::Error do
render json: { error: 'Invalid date supplied' }, status: 422
end
rescue_from ActiveRecord::RecordNotFound do
render json: { error: 'Record not found' }, status: 404
end
rescue_from HTTP::Error, Mastodon::UnexpectedResponseError do
render json: { error: 'Remote data could not be fetched' }, status: 503
end
rescue_from OpenSSL::SSL::SSLError do
render json: { error: 'Remote SSL certificate could not be verified' }, status: 503
end
rescue_from Mastodon::NotPermittedError do
render json: { error: 'This action is not allowed' }, status: 403
end
rescue_from Seahorse::Client::NetworkingError do |e|
Rails.logger.warn "Storage server error: #{e}"
render json: { error: 'There was a temporary problem serving your request, please try again' }, status: 503
end
rescue_from Mastodon::RaceConditionError, Stoplight::Error::RedLight do
render json: { error: 'There was a temporary problem serving your request, please try again' }, status: 503
end
rescue_from Mastodon::RateLimitExceededError do
render json: { error: I18n.t('errors.429') }, status: 429
end
rescue_from ActionController::ParameterMissing, Mastodon::InvalidParameterError do |e|
render json: { error: e.to_s }, status: 400
end
def doorkeeper_unauthorized_render_options(error: nil)
{ json: { error: (error.try(:description) || 'Not authorized') } }
end
def doorkeeper_forbidden_render_options(*)
{ json: { error: 'This action is outside the authorized scopes' } }
end
protected
def set_pagination_headers(next_path = nil, prev_path = nil)
links = []
links << [next_path, [%w(rel next)]] if next_path
links << [prev_path, [%w(rel prev)]] if prev_path
response.headers['Link'] = LinkHeader.new(links) unless links.empty?
end
def limit_param(default_limit)
return default_limit unless params[:limit]
[params[:limit].to_i.abs, default_limit * 2].min
end
def params_slice(*keys)
params.slice(*keys).permit(*keys)
end
def current_resource_owner
@current_user ||= User.find(doorkeeper_token.resource_owner_id) if doorkeeper_token
end
def current_user
current_resource_owner || super
rescue ActiveRecord::RecordNotFound
nil
end
def require_authenticated_user!
render json: { error: 'This method requires an authenticated user' }, status: 401 unless current_user
end
def require_not_suspended!
render json: { error: 'Your login is currently disabled' }, status: 403 if current_user&.account&.suspended?
end
def require_user!
if !current_user
render json: { error: 'This method requires an authenticated user' }, status: 422
elsif !current_user.confirmed?
render json: { error: 'Your login is missing a confirmed e-mail address' }, status: 403
elsif !current_user.approved?
render json: { error: 'Your login is currently pending approval' }, status: 403
elsif !current_user.functional?
render json: { error: 'Your login is currently disabled' }, status: 403
else
update_user_sign_in
end
end
def render_empty
render json: {}, status: 200
end
def authorize_if_got_token!(*scopes)
doorkeeper_authorize!(*scopes) if doorkeeper_token
end
def set_cache_headers
response.headers['Cache-Control'] = 'no-cache, no-store, max-age=0, must-revalidate'
end
def disallow_unauthenticated_api_access?
ENV['DISALLOW_UNAUTHENTICATED_API_ACCESS'] == 'true' || Rails.configuration.x.whitelist_mode
end
private
def respond_with_error(code)
render json: { error: Rack::Utils::HTTP_STATUS_CODES[code] }, status: code
end
end
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