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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.Plugs.AuthenticationPlug do
alias Comeonin.Pbkdf2
import Plug.Conn
alias Pleroma.User
require Logger
def init(options), do: options
def checkpw(password, "$6" <> _ = password_hash) do
:crypt.crypt(password, password_hash) == password_hash
end
def checkpw(password, "$pbkdf2" <> _ = password_hash) do
Pbkdf2.checkpw(password, password_hash)
end
def checkpw(_password, _password_hash) do
Logger.error("Password hash not recognized")
false
end
def call(%{assigns: %{user: %User{}}} = conn, _), do: conn
def call(
%{
assigns: %{
auth_user: %{password_hash: password_hash} = auth_user,
auth_credentials: %{password: password}
}
} = conn,
_
) do
if Pbkdf2.checkpw(password, password_hash) do
conn
|> assign(:user, auth_user)
else
conn
end
end
def call(%{assigns: %{auth_credentials: %{password: _}}} = conn, _) do
Pbkdf2.dummy_checkpw()
conn
end
def call(conn, _), do: conn
end
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