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Has privileges API

Determines whether the logged in user has a specified list of privileges.

Request

GET /_security/user/_has_privileges

Prerequisites

All users can use this API, but only to determine their own privileges. To check the privileges of other users, you must use the run as feature. For more information, see Submitting requests on behalf of other users.

Description

For a list of the privileges that you can specify in this API, see Security privileges.

A successful call returns a JSON structure that shows whether each specified privilege is assigned to the user.

Request body

cluster

(list) A list of the cluster privileges that you want to check.

index

names: (list) A list of indices.
allow_restricted_indices: (Boolean) This needs to be set to true (default is false) if using wildcards or regexps for patterns that cover restricted indices. Implicitly, restricted indices do not match index patterns because restricted indices usually have limited privileges and including them in pattern tests would render most such tests false. If restricted indices are explicitly included in the names list, privileges will be checked against them regardless of the value of allow_restricted_indices.
privileges: (list) A list of the privileges that you want to check for the specified indices.

application

application: (string) The name of the application.
privileges: (list) A list of the privileges that you want to check for the specified resources. May be either application privilege names, or the names of actions that are granted by those privileges
resources: (list) A list of resource names against which the privileges should be checked

Examples

The following example checks whether the current user has a specific set of cluster, index, and application privileges:

GET /_security/user/_has_privileges
{
  "cluster": [ "monitor", "manage" ],
  "index" : [
    {
      "names": [ "suppliers", "products" ],
      "privileges": [ "read" ]
    },
    {
      "names": [ "inventory" ],
      "privileges" : [ "read", "write" ]
    }
  ],
  "application": [
    {
      "application": "inventory_manager",
      "privileges" : [ "read", "data:write/inventory" ],
      "resources" : [ "product/1852563" ]
    }
  ]
}

The following example output indicates which privileges the "rdeniro" user has:

{
  "username": "rdeniro",
  "has_all_requested" : false,
  "cluster" : {
    "monitor" : true,
    "manage" : false
  },
  "index" : {
    "suppliers" : {
      "read" : true
    },
    "products" : {
      "read" : true
    },
    "inventory" : {
      "read" : true,
      "write" : false
    }
  },
  "application" : {
    "inventory_manager" : {
      "product/1852563" : {
        "read": false,
        "data:write/inventory": false
      }
    }
  }
}

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https://www.elastic.co/guide/en/elasticsearch/reference/7.17/security-api-has-privileges.html