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wp_authenticate_username_password

Definition:
function wp_authenticate_username_password($user, $username, $password) {}

Authenticate the user using the username and password.

Parameters

  • $user
  • $username
  • $password

Defined filters

  • wp_authenticate_user
    apply_filters('wp_authenticate_user', $userdata, $password)

Source code

function wp_authenticate_username_password($user, $username, $password) {

	if ( is_a($user, 'WP_User') ) { return $user; }



	if ( empty($username) || empty($password) ) {

		$error = new WP_Error();



		if ( empty($username) )

			$error->add('empty_username', __('<strong>ERROR</strong>: The username field is empty.'));



		if ( empty($password) )

			$error->add('empty_password', __('<strong>ERROR</strong>: The password field is empty.'));



		return $error;

	}



	$userdata = get_user_by('login', $username);



	if ( !$userdata )

		return new WP_Error('invalid_username', sprintf(__('<strong>ERROR</strong>: Invalid username. <a href="%s" title="Password Lost and Found">Lost your password</a>?'), wp_lostpassword_url()));



	if ( is_multisite() ) {

		// Is user marked as spam?

		if ( 1 == $userdata->spam)

			return new WP_Error('invalid_username', __('<strong>ERROR</strong>: Your account has been marked as a spammer.'));



		// Is a user's blog marked as spam?

		if ( !is_super_admin( $userdata->ID ) && isset($userdata->primary_blog) ) {

			$details = get_blog_details( $userdata->primary_blog );

			if ( is_object( $details ) && $details->spam == 1 )

				return new WP_Error('blog_suspended', __('Site Suspended.'));

		}

	}



	$userdata = apply_filters('wp_authenticate_user', $userdata, $password);

	if ( is_wp_error($userdata) )

		return $userdata;



	if ( !wp_check_password($password, $userdata->user_pass, $userdata->ID) )

		return new WP_Error( 'incorrect_password', sprintf( __( '<strong>ERROR</strong>: The password you entered for the username <strong>%1$s</strong> is incorrect. <a href="%2$s" title="Password Lost and Found">Lost your password</a>?' ),

		$username, wp_lostpassword_url() ) );



	$user =  new WP_User($userdata->ID);

	return $user;

}

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