CRM/Core/Permission/Backdrop.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_Backdrop extends CRM_Core_Permission_DrupalBase {
  40
  41   /**
  42    * Is this user someone with access for the entire system.
  43    *
  44    * @var bool
  45    */
  46   protected $_viewAdminUser = FALSE;
  47   protected $_editAdminUser = FALSE;
  48
  49   /**
  50    * Am in in view permission or edit permission?
  51    *
  52    * @var bool
  53    */
  54   protected $_viewPermission = FALSE;
  55   protected $_editPermission = FALSE;
  56
  57   /**
  58    * The current set of permissioned groups for the user.
  59    *
  60    * @var array
  61    */
  62   protected $_viewPermissionedGroups;
  63   protected $_editPermissionedGroups;
  64
  65   /**
  66    * Given a permission string, check for access requirements
  67    *
  68    * @param string $str
  69    *   The permission to check.
  70    *
  71    * @param int $userId
  72    *
  73    * @return bool
  74    *   true if yes, else false
  75    */
  76   public function check($str, $userId = NULL) {
  77     $str = $this->translatePermission($str, 'Drupal', [
  78       'view user account' => 'access user profiles',
  79       'administer users' => 'administer users',
  80     ]);
  81     if ($str == CRM_Core_Permission::ALWAYS_DENY_PERMISSION) {
  82       return FALSE;
  83     }
  84     if ($str == CRM_Core_Permission::ALWAYS_ALLOW_PERMISSION) {
  85       return TRUE;
  86     }
  87     if (function_exists('user_access')) {
  88       $account = NULL;
  89       if ($userId) {
  90         $account = user_load($userId);
  91       }
  92       return user_access($str, $account);
  93     }
  94     return TRUE;
  95   }
  96
  97   /**
  98    * Given a roles array, check for access requirements
  99    *
 100    * @param array $array
 101    *   The roles to check.
 102    *
 103    * @return bool
 104    *   true if yes, else false
 105    */
 106   public function checkGroupRole($array) {
 107     if (function_exists('user_load') && isset($array)) {
 108       $user = user_load($GLOBALS['user']->uid);
 109       //if giver roles found in user roles - return true
 110       foreach ($array as $key => $value) {
 111         if (in_array($value, $user->roles)) {
 112           return TRUE;
 113         }
 114       }
 115     }
 116     return FALSE;
 117   }
 118
 119   /**
 120    * @inheritDoc
 121    */
 122   public function isModulePermissionSupported() {
 123     return TRUE;
 124   }
 125
 126   /**
 127    * @inheritDoc
 128    */
 129   public function upgradePermissions($permissions) {
 130     if (empty($permissions)) {
 131       throw new CRM_Core_Exception("Cannot upgrade permissions: permission list missing");
 132     }
 133     // FIXME!!!!
 134     /*
 135     $query = db_delete('role_permission')
 136     ->condition('module', 'civicrm')
 137     ->condition('permission', array_keys($permissions), 'NOT IN');
 138     $query->execute();
 139      */
 140   }
 141
 142   /**
 143    * Get all the contact emails for users that have a specific permission.
 144    *
 145    * @param string $permissionName
 146    *   Name of the permission we are interested in.
 147    *
 148    * @return string
 149    *   a comma separated list of email addresses
 150    */
 151   public function permissionEmails($permissionName) {
 152     static $_cache = [];
 153
 154     if (isset($_cache[$permissionName])) {
 155       return $_cache[$permissionName];
 156     }
 157
 158     // FIXME!!!!
 159     /**
 160      * $uids = array();
 161      * $sql = "
 162      * SELECT {users}.uid, {role_permission}.permission
 163      * FROM {users}
 164      * JOIN {users_roles}
 165      * ON {users}.uid = {users_roles}.uid
 166      * JOIN {role_permission}
 167      * ON {role_permission}.rid = {users_roles}.rid
 168      * WHERE {role_permission}.permission = '{$permissionName}'
 169      * AND {users}.status = 1
 170      * ";
 171      *
 172      * $result = db_query($sql);
 173      * foreach ($result as $record) {
 174      * $uids[] = $record->uid;
 175      * }
 176      *
 177      * $_cache[$permissionName] = self::getContactEmails($uids);
 178      * return $_cache[$permissionName];
 179     */
 180     return [];
 181   }
 182
 183 }