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ash_authentication_phoenix
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Phoenix integration for Ash Authentication
Security advisory:
This version has known vulnerabilities.
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lib/ash_authentication_phoenix_web.ex
defmodule AshAuthentication.Phoenix.Web do
@moduledoc false
alias AshAuthentication.Phoenix.{LayoutView, Utils.Flash, Web}
@doc false
def view do
quote do
use Phoenix.View,
root: "lib/ash_authentication_phoenix/templates",
namespace: Web
# Import convenience functions from controllers
import Phoenix.Controller,
only: [view_module: 1, view_template: 1]
use Phoenix.Component
end
end
@doc false
def live_view do
quote do
use Phoenix.LiveView, layout: {LayoutView, :live}
on_mount Flash
end
end
@doc false
def live_component do
quote do
use Phoenix.LiveComponent
import Flash, only: [put_flash!: 3]
end
end
@doc false
def component do
quote do
use Phoenix.Component
import Flash, only: [put_flash!: 3]
end
end
@doc """
Provide a `_gettext` macro for views to wrap around text. Output is a function call to `gettext_switch/3`.
"""
def maybe_translate do
quote do
@spec _gettext(String.t() | nil, Keyword.t()) :: any | no_return
defmacro _gettext(msgid, bindings \\ [])
defmacro _gettext(nil, bindings), do: ""
defmacro _gettext(msgid, bindings) do
gettext_fn =
cond do
Macro.Env.has_var?(__CALLER__, {:assigns, nil}) ->
quote do: var!(assigns)[:gettext_fn]
Macro.Env.has_var?(__CALLER__, {:socket, nil}) ->
quote do: var!(socket).assigns[:gettext_fn]
true ->
raise ~S{_gettext requires variable "socket" or "assigns" to exist and be set to a map}
end
quote generated: true do
Web.gettext_switch(unquote(gettext_fn), unquote(msgid), unquote(bindings))
end
end
defmacro _transform_errors do
quote do
alias AshPhoenix.FormData.Error
fn _source, error ->
if Error.impl_for(error) do
Error.to_form_error(error)
|> List.wrap()
# credo:disable-for-next-line Credo.Check.Refactor.Nesting
|> Enum.map(fn {field, message, vars} ->
{field, _gettext(message, vars), vars}
end)
else
error
end
end
end
end
end
end
@spec gettext_switch(
gettext_fn :: {module, atom} | nil,
msgid :: String.t(),
bindings :: keyword
) :: String.t()
@doc """
If a translation function is provided, we call that, otherwise return the input untranslated.
"""
def gettext_switch(_gettext_fn, nil, _bindings), do: ""
def gettext_switch({module, function}, msgid, bindings)
when is_atom(module) and is_atom(function) do
apply(module, function, [msgid, bindings])
end
def gettext_switch(nil, msgid, bindings) do
for {key, value} <- bindings, reduce: msgid do
acc -> String.replace(acc, "%{#{key}}", to_string(value))
end
end
def gettext_switch(invalid, _msgid, _bindings) do
raise ArgumentError,
"gettext_fn: #{inspect(invalid)} is invalid - specify `{module, function}` " <>
"for a function with a `gettext/2` like signature"
end
@doc """
When used, dispatch to the appropriate controller/view/etc. and inject gettext helper.
"""
defmacro __using__(which) when is_atom(which) do
quote do
unquote(apply(__MODULE__, which, []))
unquote(maybe_translate())
end
end
end