2017-08-08 15:52:15 -04:00
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# 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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2017-08-21 16:57:34 -04:00
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def value_or_id(value)
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value.is_a?(String) ? value : value['id']
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end
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2017-08-08 15:52:15 -04:00
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def supported_context?(json)
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equals_or_includes?(json['@context'], ActivityPub::TagManager::CONTEXT)
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end
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def fetch_resource(uri)
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response = build_request(uri).perform
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return if response.code != 200
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2017-08-13 20:29:36 -04:00
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body_to_json(response.to_s)
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end
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def body_to_json(body)
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2017-08-21 16:57:34 -04:00
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body.is_a?(String) ? Oj.load(body, mode: :strict) : body
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2017-08-08 15:52:15 -04:00
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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 build_request(uri)
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request = Request.new(:get, uri)
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2017-08-13 20:29:36 -04:00
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request.add_headers('Accept' => 'application/activity+json, application/ld+json')
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2017-08-08 15:52:15 -04:00
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request
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end
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end
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