80 lines
2 KiB
Elixir
80 lines
2 KiB
Elixir
# Pleroma: A lightweight social networking server
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# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Plugs.AuthenticationPlug do
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alias Pleroma.Plugs.OAuthScopesPlug
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alias Pleroma.User
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import Plug.Conn
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require Logger
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def init(options), do: options
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def checkpw(password, "$6" <> _ = password_hash) do
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:crypt.crypt(password, password_hash) == password_hash
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end
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def checkpw(password, "$2" <> _ = password_hash) do
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# Handle bcrypt passwords for Mastodon migration
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Bcrypt.verify_pass(password, password_hash)
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end
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def checkpw(password, "$pbkdf2" <> _ = password_hash) do
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Pbkdf2.verify_pass(password, password_hash)
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end
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def checkpw(_password, _password_hash) do
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Logger.error("Password hash not recognized")
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false
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end
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def maybe_update_password(%User{password_hash: "$2" <> _} = user, password) do
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do_update_password(user, password)
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end
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def maybe_update_password(%User{password_hash: "$6" <> _} = user, password) do
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do_update_password(user, password)
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end
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def maybe_update_password(user, _), do: {:ok, user}
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defp do_update_password(user, password) do
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user
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|> User.password_update_changeset(%{
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"password" => password,
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"password_confirmation" => password
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})
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|> Pleroma.Repo.update()
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end
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def call(%{assigns: %{user: %User{}}} = conn, _), do: conn
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def call(
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%{
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assigns: %{
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auth_user: %{password_hash: password_hash} = auth_user,
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auth_credentials: %{password: password}
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}
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} = conn,
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_
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) do
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if checkpw(password, password_hash) do
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{:ok, auth_user} = maybe_update_password(auth_user, password)
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conn
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|> assign(:user, auth_user)
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|> OAuthScopesPlug.skip_plug()
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else
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conn
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end
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end
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def call(%{assigns: %{auth_credentials: %{password: _}}} = conn, _) do
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Pbkdf2.no_user_verify()
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conn
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end
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def call(conn, _), do: conn
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end
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