diff --git a/CHANGELOG.md b/CHANGELOG.md index e2a855bef..a8e80eb3c 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -16,6 +16,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/). - Configuration: `:instance, rewrite_policy` moved to `:mrf, policies`, `:instance, :mrf_transparency` moved to `:mrf, :transparency`, `:instance, :mrf_transparency_exclusions` moved to `:mrf, :transparency_exclusions`. Old config namespace is deprecated. - Configuration: `:media_proxy, whitelist` format changed to host with scheme (e.g. `http://example.com` instead of `example.com`). Domain format is deprecated. - **Breaking:** Configuration: `:instance, welcome_user_nickname` moved to `:welcome, :direct_message, :sender_nickname`, `:instance, :welcome_message` moved to `:welcome, :direct_message, :message`. Old config namespace is deprecated. +- **Breaking:** LDAP: Fallback to local database authentication has been removed for security reasons and lack of a mechanism to ensure the passwords are synchronized when LDAP passwords are updated.
API Changes diff --git a/config/config.exs b/config/config.exs index 393f74372..100dbca15 100644 --- a/config/config.exs +++ b/config/config.exs @@ -743,6 +743,8 @@ config :pleroma, :instances_favicons, enabled: false +config :pleroma, Pleroma.Web.Auth.Authenticator, Pleroma.Web.Auth.PleromaAuthenticator + # Import environment specific config. This must remain at the bottom # of this file so it overrides the configuration defined above. import_config "#{Mix.env()}.exs" diff --git a/docs/configuration/cheatsheet.md b/docs/configuration/cheatsheet.md index 89036ded0..ca587af8e 100644 --- a/docs/configuration/cheatsheet.md +++ b/docs/configuration/cheatsheet.md @@ -887,6 +887,9 @@ Pleroma account will be created with the same name as the LDAP user name. * `base`: LDAP base, e.g. "dc=example,dc=com" * `uid`: LDAP attribute name to authenticate the user, e.g. when "cn", the filter will be "cn=username,base" +Note, if your LDAP server is an Active Directory server the correct value is commonly `uid: "cn"`, but if you use an +OpenLDAP server the value may be `uid: "uid"`. + ### OAuth consumer mode OAuth consumer mode allows sign in / sign up via external OAuth providers (e.g. Twitter, Facebook, Google, Microsoft, etc.). diff --git a/lib/pleroma/user.ex b/lib/pleroma/user.ex index 09e606b37..d1436a688 100644 --- a/lib/pleroma/user.ex +++ b/lib/pleroma/user.ex @@ -638,6 +638,34 @@ def force_password_reset_async(user) do @spec force_password_reset(User.t()) :: {:ok, User.t()} | {:error, Ecto.Changeset.t()} def force_password_reset(user), do: update_password_reset_pending(user, true) + # Used to auto-register LDAP accounts which won't have a password hash stored locally + def register_changeset_ldap(struct, params = %{password: password}) + when is_nil(password) do + params = Map.put_new(params, :accepts_chat_messages, true) + + params = + if Map.has_key?(params, :email) do + Map.put_new(params, :email, params[:email]) + else + params + end + + struct + |> cast(params, [ + :name, + :nickname, + :email, + :accepts_chat_messages + ]) + |> validate_required([:name, :nickname]) + |> unique_constraint(:nickname) + |> validate_exclusion(:nickname, Config.get([User, :restricted_nicknames])) + |> validate_format(:nickname, local_nickname_regex()) + |> put_ap_id() + |> unique_constraint(:ap_id) + |> put_following_and_follower_address() + end + def register_changeset(struct, params \\ %{}, opts \\ []) do bio_limit = Config.get([:instance, :user_bio_length], 5000) name_limit = Config.get([:instance, :user_name_length], 100) diff --git a/lib/pleroma/web/auth/ldap_authenticator.ex b/lib/pleroma/web/auth/ldap_authenticator.ex index f63a66c03..402ab428b 100644 --- a/lib/pleroma/web/auth/ldap_authenticator.ex +++ b/lib/pleroma/web/auth/ldap_authenticator.ex @@ -28,10 +28,6 @@ def get_user(%Plug.Conn{} = conn) do %User{} = user <- ldap_user(name, password) do {:ok, user} else - {:error, {:ldap_connection_error, _}} -> - # When LDAP is unavailable, try default authenticator - @base.get_user(conn) - {:ldap, _} -> @base.get_user(conn) @@ -92,7 +88,7 @@ defp bind_user(connection, ldap, name, password) do user _ -> - register_user(connection, base, uid, name, password) + register_user(connection, base, uid, name) end error -> @@ -100,34 +96,31 @@ defp bind_user(connection, ldap, name, password) do end end - defp register_user(connection, base, uid, name, password) do + defp register_user(connection, base, uid, name) do case :eldap.search(connection, [ {:base, to_charlist(base)}, {:filter, :eldap.equalityMatch(to_charlist(uid), to_charlist(name))}, {:scope, :eldap.wholeSubtree()}, - {:attributes, ['mail', 'email']}, {:timeout, @search_timeout} ]) do {:ok, {:eldap_search_result, [{:eldap_entry, _, attributes}], _}} -> - with {_, [mail]} <- List.keyfind(attributes, 'mail', 0) do - params = %{ - email: :erlang.list_to_binary(mail), - name: name, - nickname: name, - password: password, - password_confirmation: password - } + params = %{ + name: name, + nickname: name, + password: nil + } - changeset = User.register_changeset(%User{}, params) - - case User.register(changeset) do - {:ok, user} -> user - error -> error + params = + case List.keyfind(attributes, 'mail', 0) do + {_, [mail]} -> Map.put_new(params, :email, :erlang.list_to_binary(mail)) + _ -> params end - else - _ -> - Logger.error("Could not find LDAP attribute mail: #{inspect(attributes)}") - {:error, :ldap_registration_missing_attributes} + + changeset = User.register_changeset_ldap(%User{}, params) + + case User.register(changeset) do + {:ok, user} -> user + error -> error end error -> diff --git a/test/web/oauth/ldap_authorization_test.exs b/test/web/oauth/ldap_authorization_test.exs index 011642c08..63b1c0eb8 100644 --- a/test/web/oauth/ldap_authorization_test.exs +++ b/test/web/oauth/ldap_authorization_test.exs @@ -7,7 +7,6 @@ defmodule Pleroma.Web.OAuth.LDAPAuthorizationTest do alias Pleroma.Repo alias Pleroma.Web.OAuth.Token import Pleroma.Factory - import ExUnit.CaptureLog import Mock @skip if !Code.ensure_loaded?(:eldap), do: :skip @@ -72,9 +71,7 @@ test "creates a new user after successful LDAP authorization" do equalityMatch: fn _type, _value -> :ok end, wholeSubtree: fn -> :ok end, search: fn _connection, _options -> - {:ok, - {:eldap_search_result, [{:eldap_entry, '', [{'mail', [to_charlist(user.email)]}]}], - []}} + {:ok, {:eldap_search_result, [{:eldap_entry, '', []}], []}} end, close: fn _connection -> send(self(), :close_connection) @@ -101,50 +98,6 @@ test "creates a new user after successful LDAP authorization" do end end - @tag @skip - test "falls back to the default authorization when LDAP is unavailable" do - password = "testpassword" - user = insert(:user, password_hash: Pbkdf2.hash_pwd_salt(password)) - app = insert(:oauth_app, scopes: ["read", "write"]) - - host = Pleroma.Config.get([:ldap, :host]) |> to_charlist - port = Pleroma.Config.get([:ldap, :port]) - - with_mocks [ - {:eldap, [], - [ - open: fn [^host], [{:port, ^port}, {:ssl, false} | _] -> {:error, 'connect failed'} end, - simple_bind: fn _connection, _dn, ^password -> :ok end, - close: fn _connection -> - send(self(), :close_connection) - :ok - end - ]} - ] do - log = - capture_log(fn -> - conn = - build_conn() - |> post("/oauth/token", %{ - "grant_type" => "password", - "username" => user.nickname, - "password" => password, - "client_id" => app.client_id, - "client_secret" => app.client_secret - }) - - assert %{"access_token" => token} = json_response(conn, 200) - - token = Repo.get_by(Token, token: token) - - assert token.user_id == user.id - end) - - assert log =~ "Could not open LDAP connection: 'connect failed'" - refute_received :close_connection - end - end - @tag @skip test "disallow authorization for wrong LDAP credentials" do password = "testpassword"