feat(mailinblack) Add mailinblack plugin

This plugin only stores whether mailinblack is activated and whether a
 user should be protected.

issue #6115

mailinblack/contrib/openldap/mailinblack-fd.schema

+##
+## mailinblack-fd.schema - Needed by FusionDirectory mailinblack plugin
+##
+
+# Attributes
+attributetype ( 1.3.6.1.4.1.38414.87.1.1 NAME 'fdMailInBlackProtect'
+  DESC 'FusionDirectory - Mailinblack protect status'
+  EQUALITY booleanMatch
+  SYNTAX 1.3.6.1.4.1.1466.115.121.1.7
+  SINGLE-VALUE )
+
+# Object Class
+objectclass (1.3.6.1.4.1.38414.87.2.1 NAME 'fdMailInBlackUser'
+  DESC 'FusionDirectory - Mailinblack user tab'
+  SUP top AUXILIARY
+  MUST ( )
+  MAY  ( fdMailInBlackProtect ) )
+

mailinblack/personal/mailinblack/class_mailInBlackUser.inc

+<?php
+/*
+  This code is part of FusionDirectory (http://www.fusiondirectory.org/)
+
+  Copyright (C) 2020-2021  FusionDirectory
+
+  This program is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 2 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
+*/
+
+class mailInBlackUser extends simplePlugin
+{
+  protected $displayHeader  = TRUE;
+
+  static function plInfo (): array
+  {
+    return [
+      'plShortName'   => _('Mailinblack'),
+      'plDescription' => _('Mailinblack synchronisation'),
+      'plSelfModify'  => TRUE,
+      'plObjectClass' => ['fdMailInBlackUser'],
+      'plObjectType'  => ['user'],
+      'plIcon'        => 'geticon.php?context=applications&icon=mailinblack&size=48',
+      'plSmallIcon'   => 'geticon.php?context=applications&icon=mailinblack&size=16',
+
+      'plProvidedAcls'  => parent::generatePlProvidedAcls(static::getAttributesInfo())
+    ];
+  }
+
+  static function getAttributesInfo (): array
+  {
+    return [
+      'main' => [
+        'name'  => _('Mailinblack'),
+        'attrs' => [
+          new BooleanAttribute(
+            _('Protect'), _('Whether this user is in protect mode in Mailinblack'),
+            'fdMailInBlackProtect', FALSE,
+            FALSE
+          ),
+        ],
+      ],
+    ];
+  }
+}