forked from fedi/mastodon
00840f4f2e
* Add handling of Linked Data Signatures in payloads * Add a way to sign JSON, fix canonicalization of signature options * Fix signatureValue encoding, send out signed JSON when distributing * Add missing security context
50 lines
1.1 KiB
Ruby
50 lines
1.1 KiB
Ruby
# frozen_string_literal: true
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class ActivityPub::ProcessCollectionService < BaseService
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include JsonLdHelper
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def call(body, account)
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@account = account
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@json = Oj.load(body, mode: :strict)
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return if @account.suspended? || !supported_context?
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verify_account! if different_actor?
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case @json['type']
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when 'Collection', 'CollectionPage'
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process_items @json['items']
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when 'OrderedCollection', 'OrderedCollectionPage'
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process_items @json['orderedItems']
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else
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process_items [@json]
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end
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rescue Oj::ParseError
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nil
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end
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private
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def different_actor?
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@json['actor'].present? && value_or_id(@json['actor']) != @account.uri && @json['signature'].present?
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end
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def process_items(items)
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items.reverse_each.map { |item| process_item(item) }.compact
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end
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def supported_context?
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super(@json)
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end
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def process_item(item)
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activity = ActivityPub::Activity.factory(item, @account)
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activity&.perform
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end
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def verify_account!
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account = ActivityPub::LinkedDataSignature.new(@json).verify_account!
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@account = account unless account.nil?
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end
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end
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