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39 lines
973 B
39 lines
973 B
class XrdController < ApplicationController
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before_filter :set_format
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def host_meta
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@webfinger_template = "#{webfinger_url}?resource={uri}"
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end
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def webfinger
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@account = Account.find_by!(username: username_from_resource, domain: nil)
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@canonical_account_uri = "acct:#{@account.username}@#{LOCAL_DOMAIN}"
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@magic_key = pem_to_magic_key(@account.keypair.public_key)
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end
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private
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def set_format
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request.format = 'xml'
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response.headers['Content-Type'] = 'application/xrd+xml'
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end
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def username_from_resource
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params[:resource].split('@').first.gsub('acct:', '')
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end
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def pem_to_magic_key(public_key)
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modulus, exponent = [public_key.n, public_key.e].map do |component|
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result = ""
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until component == 0 do
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result << [component % 256].pack('C')
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component >>= 8
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end
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result.reverse!
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end
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(["RSA"] + [modulus, exponent].map { |n| Base64.urlsafe_encode64(n) }).join('.')
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end
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end
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