forked from treehouse/mastodon
45 lines
1.3 KiB
Ruby
45 lines
1.3 KiB
Ruby
# frozen_string_literal: true
|
|
|
|
class Rack::Attack
|
|
# Always allow requests from localhost
|
|
# (blocklist & throttles are skipped)
|
|
Rack::Attack.safelist('allow from localhost') do |req|
|
|
# Requests are allowed if the return value is truthy
|
|
'127.0.0.1' == req.ip || '::1' == req.ip
|
|
end
|
|
|
|
# Rate limits for the API
|
|
throttle('api', limit: 300, period: 5.minutes) do |req|
|
|
req.ip if req.path =~ /\A\/api\/v/
|
|
end
|
|
|
|
# Rate limit logins
|
|
throttle('login', limit: 5, period: 5.minutes) do |req|
|
|
req.ip if req.path == '/auth/sign_in' && req.post?
|
|
end
|
|
|
|
# Rate limit sign-ups
|
|
throttle('register', limit: 5, period: 5.minutes) do |req|
|
|
req.ip if req.path == '/auth' && req.post?
|
|
end
|
|
|
|
# Rate limit forgotten passwords
|
|
throttle('reminder', limit: 5, period: 5.minutes) do |req|
|
|
req.ip if req.path == '/auth/password' && req.post?
|
|
end
|
|
|
|
self.throttled_response = lambda do |env|
|
|
now = Time.now.utc
|
|
match_data = env['rack.attack.match_data']
|
|
|
|
headers = {
|
|
'Content-Type' => 'application/json',
|
|
'X-RateLimit-Limit' => match_data[:limit].to_s,
|
|
'X-RateLimit-Remaining' => '0',
|
|
'X-RateLimit-Reset' => (now + (match_data[:period] - now.to_i % match_data[:period])).iso8601(6),
|
|
}
|
|
|
|
[429, headers, [{ error: I18n.t('errors.429') }.to_json]]
|
|
end
|
|
end
|