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  */
  17
  18 /**
  19  *
  20  */
  21 class CRM_Core_Permission_Backdrop extends CRM_Core_Permission_DrupalBase {
  22
  23   /**
  24    * Is this user someone with access for the entire system.
  25    *
  26    * @var bool
  27    */
  28   protected $_viewAdminUser = FALSE;
  29   protected $_editAdminUser = FALSE;
  30
  31   /**
  32    * Am in in view permission or edit permission?
  33    *
  34    * @var bool
  35    */
  36   protected $_viewPermission = FALSE;
  37   protected $_editPermission = FALSE;
  38
  39   /**
  40    * The current set of permissioned groups for the user.
  41    *
  42    * @var array
  43    */
  44   protected $_viewPermissionedGroups;
  45   protected $_editPermissionedGroups;
  46
  47   /**
  48    * Given a permission string, check for access requirements
  49    *
  50    * @param string $str
  51    *   The permission to check.
  52    *
  53    * @param int $userId
  54    *
  55    * @return bool
  56    *   true if yes, else false
  57    */
  58   public function check($str, $userId = NULL) {
  59     $str = $this->translatePermission($str, 'Drupal', [
  60       'view user account' => 'access user profiles',
  61       'administer users' => 'administer users',
  62     ]);
  63     if ($str == CRM_Core_Permission::ALWAYS_DENY_PERMISSION) {
  64       return FALSE;
  65     }
  66     if ($str == CRM_Core_Permission::ALWAYS_ALLOW_PERMISSION) {
  67       return TRUE;
  68     }
  69     if (function_exists('user_access')) {
  70       $account = NULL;
  71       if ($userId) {
  72         $account = user_load($userId);
  73       }
  74       return user_access($str, $account);
  75     }
  76     return TRUE;
  77   }
  78
  79   /**
  80    * Given a roles array, check for access requirements
  81    *
  82    * @param array $array
  83    *   The roles to check.
  84    *
  85    * @return bool
  86    *   true if yes, else false
  87    */
  88   public function checkGroupRole($array) {
  89     if (function_exists('user_load') && isset($array)) {
  90       $user = user_load($GLOBALS['user']->uid);
  91       //if giver roles found in user roles - return true
  92       foreach ($array as $key => $value) {
  93         if (in_array($value, $user->roles)) {
  94           return TRUE;
  95         }
  96       }
  97     }
  98     return FALSE;
  99   }
 100
 101   /**
 102    * @inheritDoc
 103    */
 104   public function isModulePermissionSupported() {
 105     return TRUE;
 106   }
 107
 108   /**
 109    * @inheritDoc
 110    */
 111   public function upgradePermissions($permissions) {
 112     if (empty($permissions)) {
 113       throw new CRM_Core_Exception("Cannot upgrade permissions: permission list missing");
 114     }
 115     // FIXME!!!!
 116     /*
 117     $query = db_delete('role_permission')
 118     ->condition('module', 'civicrm')
 119     ->condition('permission', array_keys($permissions), 'NOT IN');
 120     $query->execute();
 121      */
 122   }
 123
 124   /**
 125    * Get all the contact emails for users that have a specific permission.
 126    *
 127    * @param string $permissionName
 128    *   Name of the permission we are interested in.
 129    *
 130    * @return string
 131    *   a comma separated list of email addresses
 132    */
 133   public function permissionEmails($permissionName) {
 134     static $_cache = [];
 135
 136     if (isset($_cache[$permissionName])) {
 137       return $_cache[$permissionName];
 138     }
 139
 140     // FIXME!!!!
 141     /**
 142      * $uids = array();
 143      * $sql = "
 144      * SELECT {users}.uid, {role_permission}.permission
 145      * FROM {users}
 146      * JOIN {users_roles}
 147      * ON {users}.uid = {users_roles}.uid
 148      * JOIN {role_permission}
 149      * ON {role_permission}.rid = {users_roles}.rid
 150      * WHERE {role_permission}.permission = '{$permissionName}'
 151      * AND {users}.status = 1
 152      * ";
 153      *
 154      * $result = db_query($sql);
 155      * foreach ($result as $record) {
 156      * $uids[] = $record->uid;
 157      * }
 158      *
 159      * $_cache[$permissionName] = self::getContactEmails($uids);
 160      * return $_cache[$permissionName];
 161     */
 162     return [];
 163   }
 164
 165 }