54b273bf99
HTTP connections must be explicitly closed in many cases, and letting perform method close connections makes its callers less redundant and prevent them from forgetting to close connections.
90 lines
2.3 KiB
Ruby
90 lines
2.3 KiB
Ruby
# frozen_string_literal: true
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module JsonLdHelper
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def equals_or_includes?(haystack, needle)
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haystack.is_a?(Array) ? haystack.include?(needle) : haystack == needle
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end
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def first_of_value(value)
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value.is_a?(Array) ? value.first : value
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end
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# The url attribute can be a string, an array of strings, or an array of objects.
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# The objects could include a mimeType. Not-included mimeType means it's text/html.
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def url_to_href(value, preferred_type = nil)
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single_value = if value.is_a?(Array) && !value.first.is_a?(String)
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value.find { |link| preferred_type.nil? || ((link['mimeType'].presence || 'text/html') == preferred_type) }
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elsif value.is_a?(Array)
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value.first
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else
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value
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end
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if single_value.nil? || single_value.is_a?(String)
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single_value
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else
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single_value['href']
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end
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end
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def as_array(value)
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value.is_a?(Array) ? value : [value]
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end
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def value_or_id(value)
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value.is_a?(String) || value.nil? ? value : value['id']
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end
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def supported_context?(json)
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!json.nil? && equals_or_includes?(json['@context'], ActivityPub::TagManager::CONTEXT)
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end
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def unsupported_uri_scheme?(uri)
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!uri.start_with?('http://', 'https://')
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end
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def canonicalize(json)
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graph = RDF::Graph.new << JSON::LD::API.toRdf(json)
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graph.dump(:normalize)
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end
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def fetch_resource(uri, id)
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unless id
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json = fetch_resource_without_id_validation(uri)
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return unless json
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uri = json['id']
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end
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json = fetch_resource_without_id_validation(uri)
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json.present? && json['id'] == uri ? json : nil
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end
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def fetch_resource_without_id_validation(uri)
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build_request(uri).perform do |response|
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response.code == 200 ? body_to_json(response.to_s) : nil
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end
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end
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def body_to_json(body)
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body.is_a?(String) ? Oj.load(body, mode: :strict) : body
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rescue Oj::ParseError
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nil
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end
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def merge_context(context, new_context)
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if context.is_a?(Array)
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context << new_context
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else
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[context, new_context]
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end
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end
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private
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def build_request(uri)
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request = Request.new(:get, uri)
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request.add_headers('Accept' => 'application/activity+json, application/ld+json')
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request
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end
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end
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