Telegram strategy: allow to invoke callback with string "init_data" k…

…ey to support post request params

lib/assent/strategies/telegram.ex

@@ -142,14 +142,19 @@ defmodule Assent.Strategies.Telegram do
 
   @type login_widget_response :: %{String.t() => String.t()}
   @type mini_app_init_data :: String.t()
-  @type response_params :: %{init_data: mini_app_init_data()} | login_widget_response()
+  @type mini_app_response ::
+          %{init_data: mini_app_init_data()} | %{String.t() => mini_app_init_data()}
+  @type response_params :: mini_app_response() | login_widget_response()
 
   @impl Assent.Strategy
   def authorize_url(_config) do
     {:error, "Telegram does not support direct authorization request, please check docs"}
   end
 
   @impl Assent.Strategy
+  def callback(config, %{"init_data" => init_data} = _response_params),
+    do: callback(config, %{init_data: init_data})
+
   def callback(config, %{} = response_params) do
     config = enrich_config(config)
 

test/assent/strategies/telgram_test.exs

@@ -1,7 +1,6 @@
 defmodule Assent.Strategies.TelgramTest do
   use ExUnit.Case
 
-
   alias Assent.Strategies.Telegram
 
   # 1_000 years
@@ -79,6 +78,15 @@ defmodule Assent.Strategies.TelgramTest do
                Telegram.callback(@config_mini_app, @web_app_callback_request_params)
 
       assert user == @web_app_claims
+
+      request_params_with_string_key = %{
+        "init_data" => @web_app_callback_request_params.init_data
+      }
+
+      assert {:ok, %{user: user}} =
+               Telegram.callback(@config_mini_app, request_params_with_string_key)
+
+      assert user == @web_app_claims
     end
 
     test "error if max auth validity exceeded for the login widget" do