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ash_authentication_phoenix
2.4.2
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1.0.0
Phoenix integration for Ash Authentication
Security advisory:
This version has known vulnerabilities.
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Files
lib/ash_authentication_phoenix/overrides/overridable.ex
defmodule AshAuthentication.Phoenix.Overrides.Overridable do
@moduledoc """
Auto generates documentation and helpers for components.
"""
alias AshAuthentication.Phoenix.Overrides
@callback __overrides__ :: %{required(atom) => binary}
@doc false
@spec __using__(keyword) :: Macro.t()
defmacro __using__(opts) do
overrides =
opts
|> Enum.filter(fn
{name, value} when is_atom(name) and is_binary(value) -> true
_ -> false
end)
|> Map.new()
|> Macro.escape()
quote generated: true do
@behaviour unquote(__MODULE__)
require Overrides
require Overrides.Overridable
@overrides unquote(overrides)
import Overrides.Overridable, only: :macros
if hd(Module.split(__MODULE__)) == "AshAuthentication" and
__MODULE__ not in AshAuthenticationPhoenix.Overrides.List.overridable() do
raise "#{inspect(__MODULE__)} must be present in `AshAuthentication.Overrides.List` to be used as an overridable component."
end
@doc false
@impl true
@spec __overrides__ :: %{required(atom) => binary}
def __overrides__ do
unquote(overrides)
end
defoverridable __overrides__: 0
end
end
@doc false
@spec generate_docs :: Macro.t()
defmacro generate_docs do
quote do
"""
## Overrides
This component provides the following overrides:
#{@overrides |> Enum.map(&" * `#{inspect(elem(&1, 0))}` - #{elem(&1, 1)}\n")}
See `AshAuthentication.Phoenix.Overrides` for more information.
"""
end
end
@doc """
Retrieve configuration for a potentially overriden value.
"""
@spec override_for([module], atom, any) :: any
defmacro override_for(overrides, selector, default \\ nil) do
component = __CALLER__.module
component_overrides = Module.get_attribute(component, :overrides, %{})
if Map.has_key?(component_overrides, selector) do
quote do
unquote(overrides)
|> Enum.reduce_while(unquote(default), fn module, value ->
module.overrides()
|> Map.fetch({unquote(component), unquote(selector)})
# credo:disable-for-next-line Credo.Check.Refactor.Nesting
|> case do
{:ok, value} -> {:halt, value}
:error -> {:cont, value}
end
end)
end
else
IO.warn(
"Unknown override `#{inspect(selector)}` in component `#{inspect(__CALLER__.module)}"
)
quote do
unquote(default)
end
end
end
end