in dev, allow dev FE

[akkoma] / lib / pleroma / web / auth / ldap_authenticator.ex

diff --git a/lib/pleroma/web/auth/ldap_authenticator.ex b/lib/pleroma/web/auth/ldap_authenticator.ex
index 56f2f5aed5a860699f4df059d4031bb052f7e09a..ccf4b41041b3f1c021a8fdd3747f3d761bf54f4b 100644 (file)
--- a/lib/pleroma/web/auth/ldap_authenticator.ex
+++ b/lib/pleroma/web/auth/ldap_authenticator.ex
@@ -1,5 +1,5 @@
 # Pleroma: A lightweight social networking server
-# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
 # SPDX-License-Identifier: AGPL-3.0-only
 
 defmodule Pleroma.Web.Auth.LDAPAuthenticator do
@@ -7,45 +7,34 @@ defmodule Pleroma.Web.Auth.LDAPAuthenticator do
 
   require Logger
 
+  import Pleroma.Web.Auth.Helpers, only: [fetch_credentials: 1, fetch_user: 1]
+
   @behaviour Pleroma.Web.Auth.Authenticator
+  @base Pleroma.Web.Auth.PleromaAuthenticator
 
   @connection_timeout 10_000
   @search_timeout 10_000
 
-  def get_user(%Plug.Conn{} = conn) do
-    if Pleroma.Config.get([:ldap, :enabled]) do
-      {name, password} =
-        case conn.params do
-          %{"authorization" => %{"name" => name, "password" => password}} ->
-            {name, password}
-
-          %{"grant_type" => "password", "username" => name, "password" => password} ->
-            {name, password}
-        end
-
-      case ldap_user(name, password) do
-        %User{} = user ->
-          {:ok, user}
+  defdelegate get_registration(conn), to: @base
+  defdelegate create_from_registration(conn, registration), to: @base
+  defdelegate handle_error(conn, error), to: @base
+  defdelegate auth_template, to: @base
+  defdelegate oauth_consumer_template, to: @base
 
-        {:error, {:ldap_connection_error, _}} ->
-          # When LDAP is unavailable, try default authenticator
-          Pleroma.Web.Auth.PleromaAuthenticator.get_user(conn)
-
-        error ->
-          error
-      end
+  def get_user(%Plug.Conn{} = conn) do
+    with {:ldap, true} <- {:ldap, Pleroma.Config.get([:ldap, :enabled])},
+         {:ok, {name, password}} <- fetch_credentials(conn),
+         %User{} = user <- ldap_user(name, password) do
+      {:ok, user}
     else
-      # Fall back to default authenticator
-      Pleroma.Web.Auth.PleromaAuthenticator.get_user(conn)
-    end
-  end
+      {:ldap, _} ->
+        @base.get_user(conn)
 
-  def handle_error(%Plug.Conn{} = _conn, error) do
-    error
+      error ->
+        error
+    end
   end
 
-  def auth_template, do: nil
-
   defp ldap_user(name, password) do
     ldap = Pleroma.Config.get(:ldap, [])
     host = Keyword.get(ldap, :host, "localhost")
@@ -60,22 +49,23 @@ defmodule Pleroma.Web.Auth.LDAPAuthenticator do
     case :eldap.open([to_charlist(host)], options) do
       {:ok, connection} ->
         try do
-          uid = Keyword.get(ldap, :uid, "cn")
-          base = Keyword.get(ldap, :base)
-
-          case :eldap.simple_bind(connection, "#{uid}=#{name},#{base}", password) do
-            :ok ->
-              case User.get_by_nickname_or_email(name) do
-                %User{} = user ->
-                  user
-
-                _ ->
-                  register_user(connection, base, uid, name, password)
-              end
-
-            error ->
-              error
+          if Keyword.get(ldap, :tls, false) do
+            :application.ensure_all_started(:ssl)
+
+            case :eldap.start_tls(
+                   connection,
+                   Keyword.get(ldap, :tlsopts, []),
+                   @connection_timeout
+                 ) do
+              :ok ->
+                :ok
+
+              error ->
+                Logger.error("Could not start TLS: #{inspect(error)}")
+            end
           end
+
+          bind_user(connection, ldap, name, password)
         after
           :eldap.close(connection)
         end
@@ -86,31 +76,50 @@ defmodule Pleroma.Web.Auth.LDAPAuthenticator do
     end
   end
 
-  defp register_user(connection, base, uid, name, password) do
+  defp bind_user(connection, ldap, name, password) do
+    uid = Keyword.get(ldap, :uid, "cn")
+    base = Keyword.get(ldap, :base)
+
+    case :eldap.simple_bind(connection, "#{uid}=#{name},#{base}", password) do
+      :ok ->
+        case fetch_user(name) do
+          %User{} = user ->
+            user
+
+          _ ->
+            register_user(connection, base, uid, name)
+        end
+
+      error ->
+        error
+    end
+  end
+
+  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()},
            {: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
-          }
-
-          changeset = User.register_changeset(%User{}, params)
-
-          case User.register(changeset) do
-            {:ok, user} -> user
-            error -> error
+      {:ok, {:eldap_search_result, [{:eldap_entry, _, attributes}], _, _}} ->
+        params = %{
+          name: name,
+          nickname: name,
+          password: nil
+        }
+
+        params =
+          case List.keyfind(attributes, 'mail', 0) do
+            {_, [mail]} -> Map.put_new(params, :email, :erlang.list_to_binary(mail))
+            _ -> params
           end
-        else
-          _ -> {:error, :ldap_registration_missing_attributes}
+
+        changeset = User.register_changeset_ldap(%User{}, params)
+
+        case User.register(changeset) do
+          {:ok, user} -> user
+          error -> error
         end
 
       error ->