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