json-api-auth.php

<?php

/*

  Plugin Name: JSON API Auth
  Plugin URI: http://www.parorrey.com/solutions/json-api-auth/
  Description: Extends the JSON API Plugin for RESTful user authentiocation
  Version: 1.7
  Author: Ali Qureshi
  Author URI: http://www.parorrey.com
  License: GPLv3

 */

include_once( ABSPATH . 'wp-admin/includes/plugin.php' );

define('JSON_API_AUTH_HOME', dirname(__FILE__));

if (!is_plugin_active('json-api/json-api.php')) {
    add_action('admin_notices', 'pim_auth_draw_notice_json_api');
    return;
}

add_filter('json_api_controllers', 'pimAuthJsonApiController');
add_filter('json_api_auth_controller_path', 'setAuthControllerPath');
add_action('init', 'json_api_auth_checkAuthCookie', 100);

load_plugin_textdomain('json-api-auth', false, basename(dirname(__FILE__)) . '/languages');

function pim_auth_draw_notice_json_api() {
	echo '<div id="message" class="error fade"><p style="line-height: 150%">';
	_e('<strong>JSON API Auth</strong></a> requires the JSON API plugin to be activated. Please <a href="https://wordpress.org/plugins/json-api/">install / activate JSON API</a> first.', 'json-api-user');
	echo '</p></div>';
}


function pimAuthJsonApiController($aControllers) {
	$aControllers[] = 'Auth';
	return $aControllers;
}


function setAuthControllerPath($sDefaultPath) {
	return dirname(__FILE__) . '/controllers/Auth.php';
}

function json_api_auth_checkAuthCookie($sDefaultPath) {
	global $json_api;

	if ($json_api->query->cookie) {
		$user_id = wp_validate_auth_cookie($json_api->query->cookie, 'logged_in');
		if ($user_id) {
			$user = get_userdata($user_id);
			wp_set_current_user($user->ID, $user->user_login);
		}
	}
}