nullobsi
cbc693f832
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Simple fix for LDAP user registration. I'm not sure what changed but I managed to get Akkoma running in a debug session and figured out it was missing a match for an extra value at the end. I don't know Elixir all that well so I'm not sure if this was the correct way to do it... but it works. :) Reviewed-on: #229 Co-authored-by: nullobsi <me@nullob.si> Co-committed-by: nullobsi <me@nullob.si>
129 lines
3.6 KiB
Elixir
129 lines
3.6 KiB
Elixir
# Pleroma: A lightweight social networking server
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# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Web.Auth.LDAPAuthenticator do
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alias Pleroma.User
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require Logger
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import Pleroma.Web.Auth.Helpers, only: [fetch_credentials: 1, fetch_user: 1]
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@behaviour Pleroma.Web.Auth.Authenticator
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@base Pleroma.Web.Auth.PleromaAuthenticator
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@connection_timeout 10_000
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@search_timeout 10_000
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defdelegate get_registration(conn), to: @base
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defdelegate create_from_registration(conn, registration), to: @base
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defdelegate handle_error(conn, error), to: @base
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defdelegate auth_template, to: @base
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defdelegate oauth_consumer_template, to: @base
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def get_user(%Plug.Conn{} = conn) do
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with {:ldap, true} <- {:ldap, Pleroma.Config.get([:ldap, :enabled])},
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{:ok, {name, password}} <- fetch_credentials(conn),
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%User{} = user <- ldap_user(name, password) do
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{:ok, user}
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else
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{:ldap, _} ->
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@base.get_user(conn)
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error ->
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error
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end
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end
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defp ldap_user(name, password) do
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ldap = Pleroma.Config.get(:ldap, [])
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host = Keyword.get(ldap, :host, "localhost")
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port = Keyword.get(ldap, :port, 389)
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ssl = Keyword.get(ldap, :ssl, false)
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sslopts = Keyword.get(ldap, :sslopts, [])
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options =
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[{:port, port}, {:ssl, ssl}, {:timeout, @connection_timeout}] ++
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if sslopts != [], do: [{:sslopts, sslopts}], else: []
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case :eldap.open([to_charlist(host)], options) do
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{:ok, connection} ->
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try do
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if Keyword.get(ldap, :tls, false) do
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:application.ensure_all_started(:ssl)
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case :eldap.start_tls(
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connection,
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Keyword.get(ldap, :tlsopts, []),
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@connection_timeout
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) do
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:ok ->
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:ok
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error ->
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Logger.error("Could not start TLS: #{inspect(error)}")
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end
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end
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bind_user(connection, ldap, name, password)
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after
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:eldap.close(connection)
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end
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{:error, error} ->
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Logger.error("Could not open LDAP connection: #{inspect(error)}")
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{:error, {:ldap_connection_error, error}}
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end
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end
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defp bind_user(connection, ldap, name, password) do
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uid = Keyword.get(ldap, :uid, "cn")
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base = Keyword.get(ldap, :base)
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case :eldap.simple_bind(connection, "#{uid}=#{name},#{base}", password) do
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:ok ->
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case fetch_user(name) do
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%User{} = user ->
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user
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_ ->
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register_user(connection, base, uid, name)
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end
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error ->
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error
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end
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end
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defp register_user(connection, base, uid, name) do
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case :eldap.search(connection, [
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{:base, to_charlist(base)},
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{:filter, :eldap.equalityMatch(to_charlist(uid), to_charlist(name))},
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{:scope, :eldap.wholeSubtree()},
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{:timeout, @search_timeout}
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]) do
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{:ok, {:eldap_search_result, [{:eldap_entry, _, attributes}], _, _}} ->
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params = %{
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name: name,
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nickname: name,
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password: nil
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}
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params =
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case List.keyfind(attributes, 'mail', 0) do
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{_, [mail]} -> Map.put_new(params, :email, :erlang.list_to_binary(mail))
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_ -> params
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end
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changeset = User.register_changeset_ldap(%User{}, params)
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case User.register(changeset) do
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{:ok, user} -> user
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error -> error
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end
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error ->
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error
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end
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end
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end
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