disable rest api Archives - CNERIS https://cneris.com/en/tag/disable-rest-api/ Tue, 03 Dec 2024 20:52:48 +0000 en-GB hourly 1 https://wordpress.org/?v=6.8.1 How to disable REST API access for unauthenticated users? https://cneris.com/en/how-to-disable-rest-api-access-for-unauthenticated-users/ https://cneris.com/en/how-to-disable-rest-api-access-for-unauthenticated-users/#respond Tue, 03 Dec 2024 20:52:48 +0000 https://cneris.com/?p=2728 The WordPress REST API is a powerful tool that allows interaction with your site through HTTP requests. However, there may be instances where you want to restrict API access, especially for unauthenticated users, for security or privacy reasons. How to disable REST API access for unauthenticated users? By default, WordPress allows certain REST API endpoints [...]

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]]> The WordPress REST API is a powerful tool that allows interaction with your site through HTTP requests. However, there may be instances where you want to restrict API access, especially for unauthenticated users, for security or privacy reasons.

How to disable REST API access for unauthenticated users?

By default, WordPress allows certain REST API endpoints to be publicly accessible. To restrict this access, you can use the rest_authentication_errors filter. The following code blocks REST API requests for any unauthenticated user and returns a custom error message.

add_filter(‘rest_authentication_errors’, function($result) {
if (!empty($result)) {
return $result;
}
if (!is_user_logged_in()) {
return new WP_Error(‘rest_not_logged_in’, ‘You must log in to access the REST API.’, array(‘status’ => 401));
}
return $result;
});

What does this code do?

  1. Filter rest_authentication_errors: This filter is used to handle authentication errors in the REST API.
  2. Check for pre-existing errors: If $result already contains an error, it returns it as is.
  3. User session verification: If the user is not logged in (!is_user_logged_in()), it returns a WP_Error with a custom message and an HTTP 401 (Unauthorized) status code.
  4. Return results: If none of the above conditions are met, it proceeds with normal request handling.

Result

With this code in place, any unauthenticated user will receive an error message stating they must log in to access the REST API. This effectively secures your REST API from unauthorized access.

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]]> https://cneris.com/en/how-to-disable-rest-api-access-for-unauthenticated-users/feed/ 0 How to disable the REST API in WordPress using PHP code https://cneris.com/en/how-to-disable-the-rest-api-in-wordpress-using-php-code/ https://cneris.com/en/how-to-disable-the-rest-api-in-wordpress-using-php-code/#respond Tue, 03 Dec 2024 20:42:59 +0000 https://cneris.com/?p=2721 The WordPress REST API allows applications to interact with your site remotely. However, in certain cases, you might want to disable it to enhance security or limit data access. Here’s how to disable the REST API in WordPress using PHP code: Steps: Open the functions.php file of your active theme or create a custom plugin [...]

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]]> The WordPress REST API allows applications to interact with your site remotely. However, in certain cases, you might want to disable it to enhance security or limit data access. Here’s how to disable the REST API in WordPress using PHP code:

Steps:

  1. Open the functions.php file of your active theme or create a custom plugin for this adjustment.
  2. Add the following PHP code to disable the REST API for unauthenticated users:
function disable_rest_api( $access ) {
if ( ! is_user_logged_in() ) {
return new WP_Error( 'rest_cannot_access', __( 'REST API has been disabled for unauthenticated users.', 'your-text-domain' ), array( 'status' => 401 ) );
}
return $access;
}
add_filter( 'rest_authentication_errors', 'disable_rest_api' );
  1. Save the changes and verify that unauthenticated users can no longer access the REST API.

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