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api.rb
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api.rb
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# frozen_string_literal: true
PRODUCTION = ENV['RACK_ENV'] == 'production'
require 'opal'
require 'require_all'
require 'roda'
require 'snabberb'
require 'json'
require_relative 'models'
require_rel './lib'
require_rel './models'
require_relative 'lib/engine/test_tiles'
class Api < Roda
opts[:check_dynamic_arity] = false
opts[:check_arity] = :warn
plugin :default_headers,
'Content-Type' => 'text/html',
'X-Frame-Options' => 'deny',
'X-Content-Type-Options' => 'nosniff',
'cache-control' => 'no-cache, max-age=0, must-revalidate, no-store',
'X-XSS-Protection' => '1; mode=block'
plugin :content_security_policy do |csp|
csp.default_src :self
csp.style_src :self, :unsafe_inline, 'fonts.googleapis.com', 'cdn.jsdelivr.net'
csp.font_src :self, 'fonts.gstatic.com'
csp.form_action :self
csp.script_src :self, :unsafe_inline, 'cdn.jsdelivr.net'
csp.connect_src :self
csp.base_uri :none
csp.frame_ancestors :none
end
API_LOGGER = Logger.new($stdout)
plugin :common_logger, API_LOGGER
plugin :not_found do
halt(404, 'Page not found')
end
plugin :error_handler
error do |e|
API_LOGGER.error e.backtrace
API_LOGGER.error e.message
{ error: e.message }
end
plugin :public
plugin :hash_routes
plugin :streaming
plugin :json
plugin :json_parser
plugin :halt
plugin :cookies
plugin :new_relic if PRODUCTION
unless PRODUCTION
plugin :assets, {
path: 'public/assets',
js_dir: nil,
js_route: nil,
# g_*.js files for each game
js: Dir['lib/engine/game/*/game.rb'].map { |dir| dir.split('/')[-2] + '.js' },
# compile on demand
postprocessor: lambda do |file, _type, _content|
ASSETS.combine([file.split(%r{[./]})[-2]])
File.read(file)
end,
}
end
ASSETS = Assets.new(precompiled: PRODUCTION)
Bus.configure
use MessageBus::Rack::Middleware
use Rack::Deflater unless PRODUCTION
STANDARD_ROUTES = %w[
/ about hotseat login new_game signup tutorial forgot reset
].freeze
ROUTES_WITH_GAME_TITLES = %w[
map market fixture
].freeze
Dir['./routes/*'].each { |file| require file }
hash_routes do
on 'api' do |hr|
hr.hash_routes :api
hr.is 'chat', method: 'post' do
not_authorized! unless user
publish(
'/chat',
100,
user: user.to_h,
message: hr.params['message'],
created_at: Time.now.to_i,
)
end
end
end
route do |r|
unless PRODUCTION
r.assets
r.public
end
r.hash_branches
r.root do
render_with_games
end
r.on STANDARD_ROUTES do
render_with_games
end
r.on ROUTES_WITH_GAME_TITLES do
render(titles: request.path.split('/')[2].split('+'))
end
r.on 'profile' do
r.get Integer do |id|
halt(404, 'User does not exist') unless (profile = User[id])
needs = { profile: profile&.to_h(for_user: false) }
if profile.settings['show_stats']
begin
needs[:profile]['stats'] = JSON.parse(Bus[Bus::USER_STATS % id])
rescue StandardError => e
API_LOGGER.error "Unable to get stats for #{id}: #{e}"
end
end
render(
games: Game.profile_games(profile),
**needs,
)
end
end
r.on 'tiles' do
parts = request.path.split('/')
titles =
if parts.size == 4
parts[2].split(/[+ ]/)
elsif parts[2] == 'test'
Engine::TestTiles::TEST_TILES.keys.compact
else
[]
end
render(titles: titles)
end
r.on 'game', Integer do |id|
halt(404, 'Game not found') unless (game = Game[id])
pin = game.settings['pin']
render(titles: [game.title], pin: pin,
game_data: pin ? game.to_h(include_actions: true, logged_in_user_id: user&.id) : game.to_h)
end
r.on 'issues', String do |str|
label =
case str
when 'alpha', 'beta', 'production'
Engine.issues_labels(str.to_sym)
when 'prealpha'
'"new games"'
else
str
end
r.redirect "https://github.com/tobymao/18xx/issues?q=is%3Aissue+is%3Aopen+label%3A#{label}"
end
end
def render_with_games
render(
title: request.params['title'],
pin: request.params['pin'],
games: Game.home_games(user, **request.params),
)
end
def render(titles: nil, **needs)
needs[:user] = user&.to_h(for_user: true)
return render_pin(**needs) if needs[:pin]
static(
js_tags: ASSETS.js_tags(titles || []),
**needs,
)
end
def render_pin(**needs)
pin = needs[:pin]
static(
desc: " (Pin #{pin})",
js_tags: "<script type='text/javascript' src='#{Assets::PIN_DIR}#{pin}.js'></script>",
**needs,
)
end
def static(desc: '', js_tags: '', **needs)
args = Snabberb.wrap(
app_route: request.path,
production: PRODUCTION,
**needs,
)
<<~HTML
<!DOCTYPE html>
<html>
<head>
<meta charset=\"utf-8\">
<meta name=\"viewport\" content=\"width=device-width, initial-scale=1, maximum-scale=1.0, minimum-scale=1.0, user-scalable=0\">
<title>18xx.Games#{desc}</title>
<link rel=\"stylesheet\" href=\"https://cdn.jsdelivr.net/npm/[email protected]/normalize.min.css\">
<link rel=\"stylesheet\" href=\"https://fonts.googleapis.com/css2?family=Lato:wght@300;400;700&display=swap\">
<link id=\"favicon_svg\" rel=\"icon\" type=\"image/svg+xml\" href=\"/images/icon.svg\">
<link id=\"favicon_32\" rel=\"icon\" type=\"image/png\" sizes=\"32x32\" href=\"/images/favicon-32x32.png\">
<link id=\"favicon_16\" rel=\"icon\" type=\"image/png\" sizes=\"16x16\" href=\"/images/favicon-16x16.png\">
<link id=\"favicon_apple\" rel=\"apple-touch-icon\" href=\"/apple-touch-icon.png\">
<link rel=\"mask-icon\" href=\"/images/mask.svg\" color=\"#f0e68c\">
<link rel=\"manifest\" href=\"/site.webmanifest\">
<meta rel=\"msapplication-TileColor\" content=\"#da532c\">
<meta id=\"theme_color\" rel=\"theme-color\" name=\"theme-color\" content=\"#ffffff\">
<meta id=\"theme_ms\" rel=\"msapplication-navbutton-color\" name=\"msapplication-navbutton-color\" content=\"#ffffff\">
<meta id=\"theme_apple\" rel=\"apple-mobile-web-app-status-bar-style\" name=\"apple-mobile-web-app-status-bar-style\" content=\"#ffffff\">
<link rel=\"stylesheet\" href=\"/assets/main.css\">
</head>
<body>
<div id="app"></div>
#{js_tags}
<script>Opal.App.$attach('app', #{args})</script>
</body>
</html>
HTML
end
def session
return unless (token = request.cookies['auth_token'])
@session ||= Session.find(token: token)
end
def user
session&.valid? ? session.user : nil
end
def halt(code, message)
request.halt(code, error: message)
end
def not_authorized!
halt(401, 'You are not authorized to make this request')
end
def publish(channel, limit = nil, **data)
MessageBus.publish(
channel,
data.merge(_client_id: request.params['_client_id']),
max_backlog_size: limit,
)
{}
end
MessageBus.user_id_lookup do |env|
next unless (token = Rack::Request.new(env).cookies['auth_token'])
next unless (id = Session.first(token: token)&.user_id)
Bus[Bus::USER_TS % id] = Time.now.to_i
nil
end
end