CRM/Core/Permission/WordPress.php

   1 <?php
   2 /*
   3  +--------------------------------------------------------------------+
   4  | CiviCRM version 5                                                  |
   5  +--------------------------------------------------------------------+
   6  | Copyright CiviCRM LLC (c) 2004-2019                                |
   7  +--------------------------------------------------------------------+
   8  | This file is a part of CiviCRM.                                    |
   9  |                                                                    |
  10  | CiviCRM is free software; you can copy, modify, and distribute it  |
  11  | under the terms of the GNU Affero General Public License           |
  12  | Version 3, 19 November 2007 and the CiviCRM Licensing Exception.   |
  13  |                                                                    |
  14  | CiviCRM is distributed in the hope that it will be useful, but     |
  15  | WITHOUT ANY WARRANTY; without even the implied warranty of         |
  16  | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.               |
  17  | See the GNU Affero General Public License for more details.        |
  18  |                                                                    |
  19  | You should have received a copy of the GNU Affero General Public   |
  20  | License and the CiviCRM Licensing Exception along                  |
  21  | with this program; if not, contact CiviCRM LLC                     |
  22  | at info[AT]civicrm[DOT]org. If you have questions about the        |
  23  | GNU Affero General Public License or the licensing of CiviCRM,     |
  24  | see the CiviCRM license FAQ at http://civicrm.org/licensing        |
  25  +--------------------------------------------------------------------+
  26  */
  27
  28 /**
  29  *
  30  * @package CRM
  31  * @copyright CiviCRM LLC (c) 2004-2019
  32  * $Id$
  33  *
  34  */
  35
  36 /**
  37  *
  38  */
  39 class CRM_Core_Permission_WordPress extends CRM_Core_Permission_Base {
  40
  41   /**
  42    * Given a permission string, check for access requirements
  43    *
  44    * @param string $str
  45    *   The permission to check.
  46    * @param int $userId
  47    *
  48    * @return bool
  49    *   true if yes, else false
  50    */
  51   public function check($str, $userId = NULL) {
  52     // Generic cms 'administer users' role tranlates to users with the 'edit_users' capability' in WordPress
  53     $str = $this->translatePermission($str, 'WordPress', [
  54       'administer users' => 'edit_users',
  55     ]);
  56     if ($str == CRM_Core_Permission::ALWAYS_DENY_PERMISSION) {
  57       return FALSE;
  58     }
  59     if ($str == CRM_Core_Permission::ALWAYS_ALLOW_PERMISSION) {
  60       return TRUE;
  61     }
  62
  63     // CRM-15629
  64     // During some extern/* calls we don't bootstrap CMS hence
  65     // below constants are not set. In such cases, we don't need to
  66     // check permission, hence directly return TRUE
  67     if (!defined('ABSPATH') || !defined('WPINC')) {
  68       require_once 'CRM/Utils/System.php';
  69       CRM_Utils_System::loadBootStrap();
  70     }
  71
  72     require_once ABSPATH . WPINC . '/pluggable.php';
  73
  74     // for administrators give them all permissions
  75     if (!function_exists('current_user_can')) {
  76       return TRUE;
  77     }
  78
  79     $user = $userId ? get_userdata($userId) : wp_get_current_user();
  80
  81     if ($user->has_cap('super admin') || $user->has_cap('administrator')) {
  82       return TRUE;
  83     }
  84
  85     // Make string lowercase and convert spaces into underscore
  86     $str = CRM_Utils_String::munge(strtolower($str));
  87
  88     if ($user->exists()) {
  89       // Check whether the logged in user has the capabilitity
  90       if ($user->has_cap($str)) {
  91         return TRUE;
  92       }
  93     }
  94     else {
  95       //check the capabilities of Anonymous user)
  96       $roleObj = new WP_Roles();
  97       if (
  98         $roleObj->get_role('anonymous_user') != NULL &&
  99         array_key_exists($str, $roleObj->get_role('anonymous_user')->capabilities)
 100       ) {
 101         return TRUE;
 102       }
 103     }
 104     return FALSE;
 105   }
 106
 107   /**
 108    * @inheritDoc
 109    */
 110   public function isModulePermissionSupported() {
 111     return TRUE;
 112   }
 113
 114   /**
 115    * @inheritDoc
 116    */
 117   public function upgradePermissions($permissions) {
 118   }
 119
 120 }