49 lines
1.7 KiB
Ruby
49 lines
1.7 KiB
Ruby
# frozen_string_literal: true
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class ActivityPub::FetchReferencesService < BaseService
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include JsonLdHelper
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def call(status, collection_or_uri)
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@account = status.account
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collection_items(collection_or_uri)&.take(8)&.map { |item| value_or_id(item) }
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end
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private
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def collection_items(collection_or_uri)
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collection = fetch_collection(collection_or_uri)
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return unless collection.is_a?(Hash)
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collection = fetch_collection(collection['first']) if collection['first'].present?
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return unless collection.is_a?(Hash)
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case collection['type']
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when 'Collection', 'CollectionPage'
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as_array(collection['items'])
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when 'OrderedCollection', 'OrderedCollectionPage'
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as_array(collection['orderedItems'])
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end
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end
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def fetch_collection(collection_or_uri)
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return collection_or_uri if collection_or_uri.is_a?(Hash)
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return if unsupported_uri_scheme?(collection_or_uri)
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return if ActivityPub::TagManager.instance.local_uri?(collection_or_uri)
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# NOTE: For backward compatibility reasons, Mastodon signs outgoing
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# queries incorrectly by default.
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#
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# While this is relevant for all URLs with query strings, this is
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# the only code path where this happens in practice.
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#
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# Therefore, retry with correct signatures if this fails.
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begin
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fetch_resource_without_id_validation(collection_or_uri, nil, true)
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rescue Mastodon::UnexpectedResponseError => e
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raise unless e.response && e.response.code == 401 && Addressable::URI.parse(collection_or_uri).query.present?
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fetch_resource_without_id_validation(collection_or_uri, nil, true, request_options: { with_query_string: true })
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end
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end
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end
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