mastodon-glitch/app/models/webhook.rb

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# frozen_string_literal: true
# == Schema Information
#
# Table name: webhooks
#
# id :bigint(8) not null, primary key
# url :string not null
# events :string default([]), not null, is an Array
# secret :string default(""), not null
# enabled :boolean default(TRUE), not null
# created_at :datetime not null
# updated_at :datetime not null
# template :text
#
class Webhook < ApplicationRecord
EVENTS = %w(
account.approved
account.created
account.updated
report.created
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report.updated
status.created
status.updated
).freeze
attr_writer :current_account
scope :enabled, -> { where(enabled: true) }
validates :url, presence: true, url: true
validates :secret, presence: true, length: { minimum: 12 }
validates :events, presence: true
validate :validate_events
validate :validate_permissions
validate :validate_template
before_validation :strip_events
before_validation :generate_secret
def rotate_secret!
update!(secret: SecureRandom.hex(20))
end
def enable!
update!(enabled: true)
end
def disable!
update!(enabled: false)
end
def required_permissions
events.map { |event| Webhook.permission_for_event(event) }
end
def self.permission_for_event(event)
case event
when 'account.approved', 'account.created', 'account.updated'
:manage_users
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when 'report.created', 'report.updated'
:manage_reports
when 'status.created', 'status.updated'
:view_devops
end
end
private
def validate_events
errors.add(:events, :invalid) if events.any? { |e| EVENTS.exclude?(e) }
end
def validate_permissions
errors.add(:events, :invalid_permissions) if defined?(@current_account) && required_permissions.any? { |permission| !@current_account.user_role.can?(permission) }
end
def validate_template
return if template.blank?
begin
parser = Webhooks::PayloadRenderer::TemplateParser.new
parser.parse(template)
rescue Parslet::ParseFailed
errors.add(:template, :invalid)
end
end
def strip_events
self.events = events.filter_map { |str| str.strip.presence } if events.present?
end
def generate_secret
self.secret = SecureRandom.hex(20) if secret.blank?
end
end