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cd9b2ab2f7
* Fix #2672 - Connect signed PuSH subscription requests to instance domain Resolves #2739 * Fix return of locate_subscription * Fix tests
71 lines
1.7 KiB
Ruby
71 lines
1.7 KiB
Ruby
# frozen_string_literal: true
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class Pubsubhubbub::SubscribeService < BaseService
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URL_PATTERN = /\A#{URI.regexp(%w(http https))}\z/
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attr_reader :account, :callback, :secret,
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:lease_seconds, :domain
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def call(account, callback, secret, lease_seconds, verified_domain = nil)
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@account = account
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@callback = Addressable::URI.parse(callback).normalize.to_s
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@secret = secret
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@lease_seconds = lease_seconds
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@domain = verified_domain
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process_subscribe
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end
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private
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def process_subscribe
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case subscribe_status
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when :invalid_topic
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['Invalid topic URL', 422]
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when :invalid_callback
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['Invalid callback URL', 422]
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when :callback_not_allowed
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['Callback URL not allowed', 403]
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when :valid
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confirm_subscription
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['', 202]
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end
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end
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def subscribe_status
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if account.nil?
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:invalid_topic
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elsif !valid_callback?
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:invalid_callback
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elsif blocked_domain?
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:callback_not_allowed
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else
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:valid
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end
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end
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def confirm_subscription
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subscription = locate_subscription
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Pubsubhubbub::ConfirmationWorker.perform_async(subscription.id, 'subscribe', secret, lease_seconds)
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end
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def valid_callback?
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callback.present? && callback =~ URL_PATTERN
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end
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def blocked_domain?
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DomainBlock.blocked? Addressable::URI.parse(callback).host
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end
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def locate_subscription
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subscription = Subscription.find_by(account: account, callback_url: callback)
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if subscription.nil?
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subscription = Subscription.new(account: account, callback_url: callback)
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end
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subscription.domain = domain
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subscription.save!
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subscription
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end
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end
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