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