Handle bcrypt passwords for Mastodon migration

[akkoma] / lib / pleroma / plugs / authentication_plug.ex

diff --git a/lib/pleroma/plugs/authentication_plug.ex b/lib/pleroma/plugs/authentication_plug.ex
index da4ed4226620215ea1ca50f3e98588fc5088aaeb..1994b807e80d01c5fbee112ad16e2d2f775ca5fd 100644 (file)
--- a/lib/pleroma/plugs/authentication_plug.ex
+++ b/lib/pleroma/plugs/authentication_plug.ex
@@ -1,14 +1,33 @@
 # 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.Plugs.AuthenticationPlug do
-  alias Comeonin.Pbkdf2
-  import Plug.Conn
+  alias Pleroma.Plugs.OAuthScopesPlug
   alias Pleroma.User
 
-  def init(options) do
-    options
+  import Plug.Conn
+
+  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, "$2" <> _ = password_hash) do
+    # Handle bcrypt passwords for Mastodon migration
+    Bcrypt.verify_pass(password, password_hash)
+  end
+
+  def checkpw(password, "$pbkdf2" <> _ = password_hash) do
+    Pbkdf2.verify_pass(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
@@ -22,16 +41,17 @@ defmodule Pleroma.Plugs.AuthenticationPlug do
         } = conn,
         _
       ) do
-    if Pbkdf2.checkpw(password, password_hash) do
+    if Pbkdf2.verify_pass(password, password_hash) do
       conn
       |> assign(:user, auth_user)
+      |> OAuthScopesPlug.skip_plug()
     else
       conn
     end
   end
 
   def call(%{assigns: %{auth_credentials: %{password: _}}} = conn, _) do
-    Pbkdf2.dummy_checkpw()
+    Pbkdf2.no_user_verify()
     conn
   end