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Authentication extension for the Ash Framework.
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Files
lib/ash_authentication/strategies/otp/plug.ex
# SPDX-FileCopyrightText: 2022 Alembic Pty Ltd
#
# SPDX-License-Identifier: MIT
defmodule AshAuthentication.Strategy.Otp.Plug do
@moduledoc """
Plugs for the OTP strategy.
Handles request and sign-in phases.
"""
alias AshAuthentication.{Info, Strategy, Strategy.Otp}
alias Plug.Conn
import Ash.PlugHelpers, only: [get_actor: 1, get_tenant: 1, get_context: 1]
import AshAuthentication.Plug.Helpers, only: [store_authentication_result: 2]
@doc """
Handle a request for an OTP code.
Retrieves form parameters from nested within the subject name, eg:
```
%{
"user" => %{
"email" => "marty@mcfly.me"
}
}
```
"""
@spec request(Conn.t(), Otp.t()) :: Conn.t()
def request(conn, strategy) do
params = subject_params(conn, strategy)
opts = opts(conn)
result = Strategy.action(strategy, :request, params, opts)
store_authentication_result(conn, result)
end
@doc """
Sign in via OTP code.
"""
@spec sign_in(Conn.t(), Otp.t()) :: Conn.t()
def sign_in(conn, strategy) do
params = subject_params(conn, strategy)
opts = opts(conn)
result = Strategy.action(strategy, :sign_in, params, opts)
store_authentication_result(conn, result)
end
defp subject_params(conn, strategy) do
subject_name =
strategy.resource
|> Info.authentication_subject_name!()
|> to_string()
Map.get(conn.params, subject_name, %{})
end
defp opts(conn) do
[actor: get_actor(conn), tenant: get_tenant(conn), context: get_context(conn) || %{}]
|> Enum.reject(&is_nil(elem(&1, 1)))
end
end