mobilizon/lib/web/auth/context.ex

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Elixir
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defmodule Mobilizon.Web.Auth.Context do
@moduledoc """
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Guardian context for Mobilizon.Web
"""
@behaviour Plug
import Plug.Conn
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alias Mobilizon.Applications.Application, as: AuthApplication
alias Mobilizon.Applications.ApplicationToken
alias Mobilizon.Users.User
@spec init(Plug.opts()) :: Plug.opts()
def init(opts) do
opts
end
@spec call(Plug.Conn.t(), Plug.opts()) :: Plug.Conn.t()
def call(%{assigns: %{ip: _}} = conn, _opts), do: conn
def call(conn, _opts) do
set_user_information_in_context(conn)
end
@spec set_user_information_in_context(Plug.Conn.t()) :: Plug.Conn.t()
defp set_user_information_in_context(conn) do
context = %{ip: conn.remote_ip |> :inet.ntoa() |> to_string()}
user_agent = conn |> Plug.Conn.get_req_header("user-agent") |> List.first()
{conn, context} =
case Guardian.Plug.current_resource(conn) do
%User{} = user ->
set_user_context({conn, context}, user)
%ApplicationToken{user: %User{} = user} = app_token ->
conn
|> set_app_token_context(context, app_token)
|> set_user_context(user)
_ ->
{conn, context}
end
context = if is_nil(user_agent), do: context, else: Map.put(context, :user_agent, user_agent)
Absinthe.Plug.put_options(conn, context: context)
end
defp set_user_context({conn, context}, %User{id: user_id, email: user_email} = user) do
if Application.get_env(:sentry, :dsn) != nil do
Sentry.Context.set_user_context(%{
id: user_id,
email: user_email,
ip_address: context.ip
})
end
context = Map.put(context, :current_user, user)
conn = assign(conn, :user_locale, user.locale)
{conn, context}
end
defp set_app_token_context(
conn,
context,
%ApplicationToken{application: %AuthApplication{client_id: client_id} = app} = app_token
) do
if Application.get_env(:sentry, :dsn) != nil do
Sentry.Context.set_user_context(%{
app_token_client_id: client_id
})
end
context =
context |> Map.put(:current_auth_app_token, app_token) |> Map.put(:current_auth_app, app)
{conn, context}
end
end