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+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.CaptchaTest do
+ use Pleroma.DataCase
+
+ import Tesla.Mock
+
+ alias Pleroma.Captcha
+ alias Pleroma.Captcha.Kocaptcha
+ alias Pleroma.Captcha.Native
+
+ @ets_options [:ordered_set, :private, :named_table, {:read_concurrency, true}]
+ setup do: clear_config([Pleroma.Captcha, :enabled])
+
+ describe "Kocaptcha" do
+ setup do
+ ets_name = Kocaptcha.Ets
+ ^ets_name = :ets.new(ets_name, @ets_options)
+
+ mock(fn
+ %{method: :get, url: "https://captcha.kotobank.ch/new"} ->
+ json(%{
+ md5: "63615261b77f5354fb8c4e4986477555",
+ token: "afa1815e14e29355e6c8f6b143a39fa2",
+ url: "/captchas/afa1815e14e29355e6c8f6b143a39fa2.png"
+ })
+ end)
+
+ :ok
+ end
+
+ test "new and validate" do
+ new = Kocaptcha.new()
+
+ token = "afa1815e14e29355e6c8f6b143a39fa2"
+ url = "https://captcha.kotobank.ch/captchas/afa1815e14e29355e6c8f6b143a39fa2.png"
+
+ assert %{
+ answer_data: answer,
+ token: ^token,
+ url: ^url,
+ type: :kocaptcha,
+ seconds_valid: 300
+ } = new
+
+ assert Kocaptcha.validate(token, "7oEy8c", answer) == :ok
+ end
+ end
+
+ describe "Native" do
+ test "new and validate" do
+ new = Native.new()
+
+ assert %{
+ answer_data: answer,
+ token: token,
+ type: :native,
+ url: "data:image/png;base64," <> _,
+ seconds_valid: 300
+ } = new
+
+ assert is_binary(answer)
+ assert :ok = Native.validate(token, answer, answer)
+ assert {:error, :invalid} == Native.validate(token, answer, answer <> "foobar")
+ end
+ end
+
+ describe "Captcha Wrapper" do
+ test "validate" do
+ Pleroma.Config.put([Pleroma.Captcha, :enabled], true)
+
+ new = Captcha.new()
+
+ assert %{
+ answer_data: answer,
+ token: token
+ } = new
+
+ assert is_binary(answer)
+ assert :ok = Captcha.validate(token, "63615261b77f5354fb8c4e4986477555", answer)
+ Cachex.del(:used_captcha_cache, token)
+ end
+
+ test "doesn't validate invalid answer" do
+ Pleroma.Config.put([Pleroma.Captcha, :enabled], true)
+
+ new = Captcha.new()
+
+ assert %{
+ answer_data: answer,
+ token: token
+ } = new
+
+ assert is_binary(answer)
+
+ assert {:error, :invalid_answer_data} =
+ Captcha.validate(token, "63615261b77f5354fb8c4e4986477555", answer <> "foobar")
+ end
+
+ test "nil answer_data" do
+ Pleroma.Config.put([Pleroma.Captcha, :enabled], true)
+
+ new = Captcha.new()
+
+ assert %{
+ answer_data: answer,
+ token: token
+ } = new
+
+ assert is_binary(answer)
+
+ assert {:error, :invalid_answer_data} =
+ Captcha.validate(token, "63615261b77f5354fb8c4e4986477555", nil)
+ end
+ end
+end