about summary refs log tree commit diff
path: root/app/services/keys/query_service.rb
blob: 14c9d9205bf744a30479382efaca4a703fa2dcd7 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
# frozen_string_literal: true

class Keys::QueryService < BaseService
  include JsonLdHelper

  class Result < ActiveModelSerializers::Model
    attributes :account, :devices

    def initialize(account, devices)
      super(
        account: account,
        devices: devices || [],
      )
    end

    def find(device_id)
      @devices.find { |device| device.device_id == device_id }
    end
  end

  class Device < ActiveModelSerializers::Model
    attributes :device_id, :name, :identity_key, :fingerprint_key

    def initialize(attributes = {})
      super(
        device_id: attributes[:device_id],
        name: attributes[:name],
        identity_key: attributes[:identity_key],
        fingerprint_key: attributes[:fingerprint_key],
      )
      @claim_url = attributes[:claim_url]
    end

    def valid_claim_url?
      return false if @claim_url.blank?

      begin
        parsed_url = Addressable::URI.parse(@claim_url).normalize
      rescue Addressable::URI::InvalidURIError
        return false
      end

      %w(http https).include?(parsed_url.scheme) && parsed_url.host.present?
    end
  end

  def call(account)
    @account = account

    if @account.local?
      query_local_devices!
    else
      query_remote_devices!
    end

    Result.new(@account, @devices)
  end

  private

  def query_local_devices!
    @devices = @account.devices.map { |device| Device.new(device) }
  end

  def query_remote_devices!
    return if @account.devices_url.blank?

    json = fetch_resource(@account.devices_url)

    return if json['items'].blank?

    @devices = json['items'].map do |device|
      Device.new(device_id: device['id'], name: device['name'], identity_key: device.dig('identityKey', 'publicKeyBase64'), fingerprint_key: device.dig('fingerprintKey', 'publicKeyBase64'), claim_url: device['claim'])
    end
  rescue HTTP::Error, OpenSSL::SSL::SSLError, Mastodon::Error => e
    Rails.logger.debug { "Querying devices for #{@account.acct} failed: #{e}" }
    nil
  end
end