64 lines
2.3 KiB
Ruby
64 lines
2.3 KiB
Ruby
# Copyright (c) 2010-2011, Diaspora Inc. This file is
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# licensed under the Affero General Public License version 3 or later. See
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# the COPYRIGHT file.
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class RelayableRetraction < SignedRetraction
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xml_name :relayable_retraction
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xml_attr :parent_author_signature
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attr_accessor :parent_author_signature
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delegate :parent, :parent_author, to: :target, allow_nil: true
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def signable_accessors
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super - ['parent_author_signature']
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end
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# @param sender [User]
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# @param target [Object]
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def self.build(sender, target)
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retraction = super
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retraction.parent_author_signature = retraction.sign_with_key(sender.encryption_key) if defined?(target.parent) && sender.person == target.parent.author
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retraction
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end
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def diaspora_handle
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self.sender_handle
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end
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def relayable?
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true
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end
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def perform receiving_user
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Rails.logger.debug "Performing relayable retraction for #{target_guid}"
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if not self.parent_author_signature.nil? or self.parent.author.remote?
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# Don't destroy a relayable unless the top-level owner has received it, otherwise it may not get relayed
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self.target.destroy
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Rails.logger.info("event=relayable_retraction status =complete target_type=#{self.target_type} guid =#{self.target_guid}")
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end
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end
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def receive(recipient, sender)
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if self.target.nil?
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Rails.logger.info("event=retraction status=abort reason='no post found' sender=#{sender.diaspora_handle} target_guid=#{target_guid}")
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return
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elsif self.parent.author == recipient.person && self.target_author_signature_valid?
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#this is a retraction from the downstream object creator, and the recipient is the upstream owner
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self.parent_author_signature = self.sign_with_key(recipient.encryption_key)
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Postzord::Dispatcher.build(recipient, self).post
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self.perform(recipient)
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elsif self.parent_author_signature_valid?
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#this is a retraction from the upstream owner
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self.perform(recipient)
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else
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Rails.logger.info("event=receive status=abort reason='object signature not valid' recipient=#{recipient.diaspora_handle} sender=#{self.parent.author.diaspora_handle} payload_type=#{self.class} parent_id=#{self.parent.id}")
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return
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end
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self
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end
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def parent_author_signature_valid?
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verify_signature(self.parent_author_signature, self.parent.author)
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end
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end
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