* Ignore empty response in ActivityPub::FetchRemoteStatusService This fixes `NoMethodError: undefined method `[]' for nil:NilClass` error. * Check json.nil? in JsonLdHelper#supported_context?
		
			
				
	
	
		
			40 lines
		
	
	
		
			911 B
		
	
	
	
		
			Ruby
		
	
	
	
	
	
			
		
		
	
	
			40 lines
		
	
	
		
			911 B
		
	
	
	
		
			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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  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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  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 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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    body_to_json(response.to_s)
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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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  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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