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lib/arke_server/oauth/core.ex

defmodule ArkeServer.OAuth.Core do
alias ArkeServer.OAuth.AuthInfo
defmacro __using__(opts \\ []) do
quote do
import Plug.Conn, except: [request_url: 1]
alias Arke.Utils.ErrorGenerator, as: Error
alias ArkeServer.OAuth.UserInfo, as: UserInfo
def default_options, do: unquote(opts)
def info(conn), do: %UserInfo{}
def uid(conn), do: nil
def handle_request(conn), do: conn
def handle_cleanup(conn), do: conn
defoverridable info: 1,
uid: 1,
handle_request: 1,
handle_cleanup: 1
end
end
def run_request(conn, strategy) do
apply(strategy, :handle_request, [conn])
|> handle_result(strategy)
|> run_handle_cleanup(strategy)
end
defp run_handle_cleanup(conn, strategy) do
apply(strategy, :handle_cleanup, [conn])
end
defp handle_result(%{halted: true} = conn, _), do: conn
defp handle_result(%{assigns: %{arke_server_oauth_failure: _}} = conn, _), do: conn
defp handle_result(%{assigns: %{arke_server_oauth: %{}}} = conn, _), do: conn
defp handle_result(conn, strategy) do
Plug.Conn.assign(conn, :arke_server_oauth, auth(conn, strategy))
end
defp auth(conn, strategy) do
%AuthInfo{
provider: conn.private[:arke_server_request_options][:strategy_name] || nil,
strategy: strategy,
uid: strategy.uid(conn),
info: strategy.info(conn)
}
end
end