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# frozen_string_literal: true
class WebHook < ApplicationRecord
include Sortable
FAILURE_THRESHOLD = 3 # three strikes
INITIAL_BACKOFF = 10.minutes
MAX_BACKOFF = 1.day
BACKOFF_GROWTH_FACTOR = 2.0
attr_encrypted :token,
mode: :per_attribute_iv,
algorithm: 'aes-256-gcm',
key: Settings.attr_encrypted_db_key_base_32
attr_encrypted :url,
mode: :per_attribute_iv,
algorithm: 'aes-256-gcm',
key: Settings.attr_encrypted_db_key_base_32
has_many :web_hook_logs
validates :url, presence: true
validates :url, public_url: true, unless: ->(hook) { hook.is_a?(SystemHook) }
validates :token, format: { without: /\n/ }
validates :push_events_branch_filter, branch_filter: true
scope :executable, -> do
next all unless Feature.enabled?(:web_hooks_disable_failed)
where('recent_failures <= ? AND (disabled_until IS NULL OR disabled_until < ?)', FAILURE_THRESHOLD, Time.current)
end
def executable?
return true unless web_hooks_disable_failed?
recent_failures <= FAILURE_THRESHOLD && (disabled_until.nil? || disabled_until < Time.current)
end
# rubocop: disable CodeReuse/ServiceClass
def execute(data, hook_name)
WebHookService.new(self, data, hook_name).execute if executable?
end
# rubocop: enable CodeReuse/ServiceClass
# rubocop: disable CodeReuse/ServiceClass
def async_execute(data, hook_name)
WebHookService.new(self, data, hook_name).async_execute if executable?
end
# rubocop: enable CodeReuse/ServiceClass
# Allow urls pointing localhost and the local network
def allow_local_requests?
Gitlab::CurrentSettings.allow_local_requests_from_web_hooks_and_services?
end
def help_path
'user/project/integrations/webhooks'
end
def next_backoff
return MAX_BACKOFF if backoff_count >= 8 # optimization to prevent expensive exponentiation and possible overflows
(INITIAL_BACKOFF * (BACKOFF_GROWTH_FACTOR**backoff_count))
.clamp(INITIAL_BACKOFF, MAX_BACKOFF)
.seconds
end
def disable!
update!(recent_failures: FAILURE_THRESHOLD + 1)
end
def enable!
update!(recent_failures: 0, disabled_until: nil, backoff_count: 0)
end
# Overridden in ProjectHook and GroupHook, other webhooks are not rate-limited.
def rate_limit
nil
end
private
def web_hooks_disable_failed?
Feature.enabled?(:web_hooks_disable_failed)
end
end
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