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- # frozen_string_literal: true
- module SignedRequestHelpers
- def get(path, headers: nil, sign_with: nil, **args)
- return super(path, headers: headers, **args) if sign_with.nil?
- headers ||= {}
- headers['Date'] = Time.now.utc.httpdate
- headers['Host'] = ENV.fetch('LOCAL_DOMAIN')
- signed_headers = headers.merge('(request-target)' => "get #{path}").slice('(request-target)', 'Host', 'Date')
- key_id = ActivityPub::TagManager.instance.key_uri_for(sign_with)
- keypair = sign_with.keypair
- signed_string = signed_headers.map { |key, value| "#{key.downcase}: #{value}" }.join("\n")
- signature = Base64.strict_encode64(keypair.sign(OpenSSL::Digest.new('SHA256'), signed_string))
- headers['Signature'] = "keyId=\"#{key_id}\",algorithm=\"rsa-sha256\",headers=\"#{signed_headers.keys.join(' ').downcase}\",signature=\"#{signature}\""
- super(path, headers: headers, **args)
- end
- end
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