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ash_authentication_phoenix
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Phoenix integration for Ash Authentication
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lib/ash_authentication_phoenix/web_authn.ex
# SPDX-FileCopyrightText: 2026 Alembic Pty Ltd
#
# SPDX-License-Identifier: MIT
defmodule AshAuthentication.Phoenix.WebAuthn do
@moduledoc """
Helpers shared between the WebAuthn LiveView components.
"""
@doc """
Build a WebAuthn origin string from the LiveView socket's `host_uri`.
Used to override the strategy's configured origin with the actual request
origin during a ceremony, so dev/test environments don't need a hardcoded
port baked into config.
"""
@spec origin_from_socket(Phoenix.LiveView.Socket.t()) :: String.t()
def origin_from_socket(%Phoenix.LiveView.Socket{host_uri: %URI{} = uri}),
do: uri_to_origin(uri)
defp uri_to_origin(%URI{scheme: scheme, host: host, port: port}) do
port_segment =
cond do
scheme == "http" and port == 80 -> ""
scheme == "https" and port == 443 -> ""
is_nil(port) -> ""
true -> ":#{port}"
end
"#{scheme}://#{host}#{port_segment}"
end
end