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Captcha: return invalid when answer_data is nil

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Haelwenn (lanodan) Monnier 2020-02-24 02:41:48 +01:00
commit f9fe6a9e30
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3 changed files with 69 additions and 8 deletions
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9
lib/pleroma/captcha/captcha.ex
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@ -1,5 +1,5 @@
# Pleroma: A lightweight social networking server
# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Captcha do
@ -50,7 +50,7 @@ defmodule Pleroma.Captcha do
token = new_captcha[:token]
secret = KeyGenerator.generate(secret_key_base, token <> "_encrypt")
sign_secret = KeyGenerator.generate(secret_key_base, token <> "_sign")
# Basicallty copy what Phoenix.Token does here, add the time to
# Basically copy what Phoenix.Token does here, add the time to
# the actual data and make it a binary to then encrypt it
encrypted_captcha_answer =
%{
@ -62,7 +62,7 @@ defmodule Pleroma.Captcha do
{
:reply,
# Repalce the answer with the encrypted answer
# Replace the answer with the encrypted answer
%{new_captcha | answer_data: encrypted_captcha_answer},
state
}
@ -82,7 +82,8 @@ defmodule Pleroma.Captcha do
valid_if_after = DateTime.subtract!(DateTime.now_utc(), seconds_valid)
result =
with {:ok, data} <- MessageEncryptor.decrypt(answer_data, secret, sign_secret),
with false <- is_nil(answer_data),
{:ok, data} <- MessageEncryptor.decrypt(answer_data, secret, sign_secret),
%{at: at, answer_data: answer_md5} <- :erlang.binary_to_term(data) do
try do
if DateTime.before?(at, valid_if_after),