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YuruToot/app/models/web/push_subscription.rb

104 lines
2.9 KiB
Ruby

# frozen_string_literal: true
# == Schema Information
#
# Table name: web_push_subscriptions
#
# id :bigint(8) not null, primary key
# endpoint :string not null
# key_p256dh :string not null
# key_auth :string not null
# data :json
# created_at :datetime not null
# updated_at :datetime not null
# access_token_id :bigint(8)
# user_id :bigint(8)
#
class Web::PushSubscription < ApplicationRecord
belongs_to :user, optional: true
belongs_to :access_token, class_name: 'Doorkeeper::AccessToken', optional: true
has_one :session_activation, foreign_key: 'web_push_subscription_id', inverse_of: :web_push_subscription
validates :endpoint, presence: true
validates :key_p256dh, presence: true
validates :key_auth, presence: true
delegate :locale, to: :associated_user
def encrypt(payload)
Webpush::Encryption.encrypt(payload, key_p256dh, key_auth)
end
def audience
@audience ||= Addressable::URI.parse(endpoint).normalized_site
end
def crypto_key_header
p256ecdsa = vapid_key.public_key_for_push_header
"p256ecdsa=#{p256ecdsa}"
end
def authorization_header
jwt = JWT.encode({ aud: audience, exp: 24.hours.from_now.to_i, sub: "mailto:#{contact_email}" }, vapid_key.curve, 'ES256', typ: 'JWT')
"WebPush #{jwt}"
end
def pushable?(notification)
ActiveModel::Type::Boolean.new.cast(data&.dig('alerts', notification.type.to_s))
end
def associated_user
return @associated_user if defined?(@associated_user)
@associated_user = begin
if user_id.nil?
session_activation.user
else
user
end
end
end
def associated_access_token
return @associated_access_token if defined?(@associated_access_token)
@associated_access_token = begin
if access_token_id.nil?
find_or_create_access_token.token
else
access_token.token
end
end
end
class << self
def unsubscribe_for(application_id, resource_owner)
access_token_ids = Doorkeeper::AccessToken.where(application_id: application_id, resource_owner_id: resource_owner.id, revoked_at: nil).pluck(:id)
where(access_token_id: access_token_ids).delete_all
end
end
private
def find_or_create_access_token
Doorkeeper::AccessToken.find_or_create_for(
application: Doorkeeper::Application.find_by(superapp: true),
resource_owner: user_id || session_activation.user_id,
scopes: Doorkeeper::OAuth::Scopes.from_string('read write follow push'),
expires_in: Doorkeeper.configuration.access_token_expires_in,
use_refresh_token: Doorkeeper.configuration.refresh_token_enabled?
)
end
def vapid_key
@vapid_key ||= Webpush::VapidKey.from_keys(Rails.configuration.x.vapid_public_key, Rails.configuration.x.vapid_private_key)
end
def contact_email
@contact_email ||= ::Setting.site_contact_email
end
end