feat: add gen keypair

Author: trueChazza

lib/web_push_elixir.ex

@@ -1,18 +1,13 @@
 defmodule WebPushElixir do
-  @moduledoc """
-  Documentation for `WebPushElixir`.
-  """
+  require Logger
 
-  @doc """
-  Hello world.
+  def gen_keypair do
+    {public, private} = :crypto.generate_key(:ecdh, :prime256v1)
 
-  ## Examples
-
-      iex> WebPushElixir.hello()
-      :world
-
-  """
-  def hello do
-    :world
+    fn ->
+      Logger.info(%{:public_key => Base.url_encode64(public, padding: false)})
+      Logger.info(%{:private_key => Base.url_encode64(private, padding: false)})
+      Logger.info(%{:subject => "mailto:[email protected]"})
+    end
   end
 end

test/web_push_elixir_test.exs

@@ -1,16 +1,12 @@
 defmodule WebPushElixirTest do
   use ExUnit.Case
 
-  test "it should decode" do
-    assert Jason.decode!(
-             '{"endpoint":"https://some.pushservice.com/something-unique","keys":{"p256dh":"BIPUL12DLfytvTajnryr2PRdAgXS3HGKiLqndGcJGabyhHheJYlNGCeXl1dn18gSJ1WAkAPIxr4gK0_dQds4yiI=","auth":"FPssNDTKnInHVndSTdbKFw=="}}'
-           ) == %{
-             "endpoint" => "https://some.pushservice.com/something-unique",
-             "keys" => %{
-               "auth" => "FPssNDTKnInHVndSTdbKFw==",
-               "p256dh" =>
-                 "BIPUL12DLfytvTajnryr2PRdAgXS3HGKiLqndGcJGabyhHheJYlNGCeXl1dn18gSJ1WAkAPIxr4gK0_dQds4yiI="
-             }
-           }
+  import ExUnit.CaptureLog
+
+  test "it should gen keypair" do
+    assert capture_log(WebPushElixir.gen_keypair()) =~ "public_key:"
+    assert capture_log(WebPushElixir.gen_keypair()) =~ "private_key:"
+    assert capture_log(WebPushElixir.gen_keypair()) =~ "subject:"
+    assert capture_log(WebPushElixir.gen_keypair()) =~ "mailto:[email protected]"
   end
 end