CRM/Core/Permission/Backdrop.php

   1 <?php
   2 /*
   3  +--------------------------------------------------------------------+
   4  | Copyright CiviCRM LLC. All rights reserved.                        |
   5  |                                                                    |
   6  | This work is published under the GNU AGPLv3 license with some      |
   7  | permitted exceptions and without any warranty. For full license    |
   8  | and copyright information, see https://civicrm.org/licensing       |
   9  +--------------------------------------------------------------------+
  10  */
  11
  12 /**
  13  *
  14  * @package CRM
  15  * @copyright CiviCRM LLC https://civicrm.org/licensing
  16  * $Id$
  17  *
  18  */
  19
  20 /**
  21  *
  22  */
  23 class CRM_Core_Permission_Backdrop extends CRM_Core_Permission_DrupalBase {
  24
  25   /**
  26    * Is this user someone with access for the entire system.
  27    *
  28    * @var bool
  29    */
  30   protected $_viewAdminUser = FALSE;
  31   protected $_editAdminUser = FALSE;
  32
  33   /**
  34    * Am in in view permission or edit permission?
  35    *
  36    * @var bool
  37    */
  38   protected $_viewPermission = FALSE;
  39   protected $_editPermission = FALSE;
  40
  41   /**
  42    * The current set of permissioned groups for the user.
  43    *
  44    * @var array
  45    */
  46   protected $_viewPermissionedGroups;
  47   protected $_editPermissionedGroups;
  48
  49   /**
  50    * Given a permission string, check for access requirements
  51    *
  52    * @param string $str
  53    *   The permission to check.
  54    *
  55    * @param int $userId
  56    *
  57    * @return bool
  58    *   true if yes, else false
  59    */
  60   public function check($str, $userId = NULL) {
  61     $str = $this->translatePermission($str, 'Drupal', [
  62       'view user account' => 'access user profiles',
  63       'administer users' => 'administer users',
  64     ]);
  65     if ($str == CRM_Core_Permission::ALWAYS_DENY_PERMISSION) {
  66       return FALSE;
  67     }
  68     if ($str == CRM_Core_Permission::ALWAYS_ALLOW_PERMISSION) {
  69       return TRUE;
  70     }
  71     if (function_exists('user_access')) {
  72       $account = NULL;
  73       if ($userId) {
  74         $account = user_load($userId);
  75       }
  76       return user_access($str, $account);
  77     }
  78     return TRUE;
  79   }
  80
  81   /**
  82    * Given a roles array, check for access requirements
  83    *
  84    * @param array $array
  85    *   The roles to check.
  86    *
  87    * @return bool
  88    *   true if yes, else false
  89    */
  90   public function checkGroupRole($array) {
  91     if (function_exists('user_load') && isset($array)) {
  92       $user = user_load($GLOBALS['user']->uid);
  93       //if giver roles found in user roles - return true
  94       foreach ($array as $key => $value) {
  95         if (in_array($value, $user->roles)) {
  96           return TRUE;
  97         }
  98       }
  99     }
 100     return FALSE;
 101   }
 102
 103   /**
 104    * @inheritDoc
 105    */
 106   public function isModulePermissionSupported() {
 107     return TRUE;
 108   }
 109
 110   /**
 111    * @inheritDoc
 112    */
 113   public function upgradePermissions($permissions) {
 114     if (empty($permissions)) {
 115       throw new CRM_Core_Exception("Cannot upgrade permissions: permission list missing");
 116     }
 117     // FIXME!!!!
 118     /*
 119     $query = db_delete('role_permission')
 120     ->condition('module', 'civicrm')
 121     ->condition('permission', array_keys($permissions), 'NOT IN');
 122     $query->execute();
 123      */
 124   }
 125
 126   /**
 127    * Get all the contact emails for users that have a specific permission.
 128    *
 129    * @param string $permissionName
 130    *   Name of the permission we are interested in.
 131    *
 132    * @return string
 133    *   a comma separated list of email addresses
 134    */
 135   public function permissionEmails($permissionName) {
 136     static $_cache = [];
 137
 138     if (isset($_cache[$permissionName])) {
 139       return $_cache[$permissionName];
 140     }
 141
 142     // FIXME!!!!
 143     /**
 144      * $uids = array();
 145      * $sql = "
 146      * SELECT {users}.uid, {role_permission}.permission
 147      * FROM {users}
 148      * JOIN {users_roles}
 149      * ON {users}.uid = {users_roles}.uid
 150      * JOIN {role_permission}
 151      * ON {role_permission}.rid = {users_roles}.rid
 152      * WHERE {role_permission}.permission = '{$permissionName}'
 153      * AND {users}.status = 1
 154      * ";
 155      *
 156      * $result = db_query($sql);
 157      * foreach ($result as $record) {
 158      * $uids[] = $record->uid;
 159      * }
 160      *
 161      * $_cache[$permissionName] = self::getContactEmails($uids);
 162      * return $_cache[$permissionName];
 163     */
 164     return [];
 165   }
 166
 167 }