闭社主体
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48 lines
1.1 KiB
48 lines
1.1 KiB
# frozen_string_literal: true
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module WellKnown
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class WebfingerController < ApplicationController
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def show
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@account = Account.find_local!(username_from_resource)
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@canonical_account_uri = @account.to_webfinger_s
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@magic_key = pem_to_magic_key(@account.keypair.public_key)
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respond_to do |format|
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format.any(:json, :html) do
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render formats: :json, content_type: 'application/jrd+json'
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end
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format.xml do
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render content_type: 'application/xrd+xml'
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end
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end
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rescue ActiveRecord::RecordNotFound
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head 404
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end
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private
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def username_from_resource
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WebfingerResource.new(resource_param).username
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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.zero?
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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.join
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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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def resource_param
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params.require(:resource)
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end
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end
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end
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