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defmodule WalletAuth.Commands.RegisterDevice do |
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@moduledoc """ |
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Device trust registration command. |
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Per checklist Track D: |
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- Registers a device as trusted after OTP/MFA verification. |
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- Emits `DeviceRegistered` event with actor traceability. |
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""" |
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alias WalletAuth.Device.{Device, DeviceStore} |
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alias WalletAuth.Events.DeviceRegistered |
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alias WalletObservability.AuditEvent |
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@doc """ |
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Registers a trusted device for the given user. |
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Returns `{:ok, device}`. |
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""" |
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@spec execute(user_id :: String.t(), keyword()) :: {:ok, Device.t()} |
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def execute(user_id, opts \\ []) do |
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correlation_id = Keyword.get(opts, :correlation_id, WalletSharedKernel.Correlation.new_correlation_id()) |
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device = Device.new(user_id, opts) |
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:ok = DeviceStore.register(device) |
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audit = AuditEvent.build(:auth, "device_registered", "device", device.device_id, :success, |
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actor_id: user_id, |
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correlation_id: correlation_id, |
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metadata: %{user_agent: device.user_agent, ip_address: device.ip_address} |
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) |
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:telemetry.execute([:wallet_auth, :audit], %{}, audit) |
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event = DeviceRegistered.build(device.device_id, user_id, |
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correlation_id: correlation_id, |
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user_agent: device.user_agent, |
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ip_address: device.ip_address |
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) |
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emit_event(event) |
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{:ok, device} |
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end |
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defp emit_event(event) do |
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pubsub = Application.get_env(:wallet_auth, :pubsub, WalletWeb.PubSub) |
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apply(Phoenix.PubSub, :broadcast, [pubsub, "wallet_auth:events", {:domain_event, event}]) |
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rescue |
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_ -> :ok |
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end |
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end |