# 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
+ import Pleroma.Web.Gettext
+
alias Calendar.DateTime
alias Plug.Crypto.KeyGenerator
alias Plug.Crypto.MessageEncryptor
use GenServer
@doc false
- def start_link do
+ def start_link(_) do
GenServer.start_link(__MODULE__, [], name: __MODULE__)
end
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 =
%{
{
:reply,
- # Repalce the answer with the encrypted answer
+ # Replace the answer with the encrypted answer
%{new_captcha | answer_data: encrypted_captcha_answer},
state
}
secret = KeyGenerator.generate(secret_key_base, token <> "_encrypt")
sign_secret = KeyGenerator.generate(secret_key_base, token <> "_sign")
- # If the time found is less than (current_time - seconds_valid), then the time has already passed.
+ # If the time found is less than (current_time-seconds_valid) then the time has already passed
# Later we check that the time found is more than the presumed invalidatation time, that means
# that the data is still valid and the captcha can be checked
seconds_valid = Pleroma.Config.get!([Pleroma.Captcha, :seconds_valid])
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), do: throw({:error, "CAPTCHA expired"})
+ if DateTime.before?(at, valid_if_after),
+ do: throw({:error, dgettext("errors", "CAPTCHA expired")})
if not is_nil(Cachex.get!(:used_captcha_cache, token)),
- do: throw({:error, "CAPTCHA already used"})
+ do: throw({:error, dgettext("errors", "CAPTCHA already used")})
res = method().validate(token, captcha, answer_md5)
# Throw if an error occurs
:throw, e -> e
end
else
- _ -> {:error, "Invalid answer data"}
+ _ -> {:error, dgettext("errors", "Invalid answer data")}
end
{:reply, result, state}