Pleroma/lib/pleroma/plugs/authentication_plug.ex

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# Pleroma: A lightweight social networking server
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# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Plugs.AuthenticationPlug do
alias Comeonin.Pbkdf2
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import Plug.Conn
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alias Pleroma.User
require Logger
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def init(options) do
options
end
def checkpw(password, password_hash) do
cond do
String.starts_with?(password_hash, "$pbkdf2") ->
Pbkdf2.checkpw(password, password_hash)
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String.starts_with?(password_hash, "$6") ->
:crypt.crypt(password, password_hash) == password_hash
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true ->
Logger.error("Password hash not recognized")
false
end
end
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def call(%{assigns: %{user: %User{}}} = conn, _), do: conn
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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
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|> assign(:user, auth_user)
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else
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conn
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end
end
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def call(%{assigns: %{auth_credentials: %{password: _}}} = conn, _) do
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Pbkdf2.dummy_checkpw()
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conn
end
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def call(conn, _), do: conn
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end