Members.restv1.php

<?php

class Members_Restv1
{
	public function __construct($db)
	{
		$this->db = $db;
	}

	public function get($id, $params)
	{
		if ($id === null)
			return $this->getMembers($params);
		else
			return $this->getMember($id);
	}

	protected function getMembers($params)
	{
		$default = array(
			'start' => 0,
			'limit' => 10,
			'sort' => 'mem.id_member',
		);
		$params = array_merge($default, $params);

		// Let's jsut be sure people do not request too many of them
		$params['limit'] = min($params['limit'], 50);

		$where_params = array('activated' => array(1, 2));
		if (isset($params['where']))
			$params['where'] .= ' AND mem.is_activated IN ({array_int:activated})';
		else
			$params['where'] = 'mem.is_activated IN ({array_int:activated})';

		require_once(SUBSDIR . '/Members.subs.php');

		$members = list_getMembers($params['start'], $params['limit'], $params['sort'], $params['where'], $where_params);

		$return = array();
		foreach ($members as $member)
			$return['member'][] = $this->sanitizeMember($member);

		return $return;
	}

	protected function sanitizeMember($member)
	{
		$unset_array = array('email', 'ip', 'pref', 'notify');
		$output = array();
		foreach ($member as $key => $val)
		{
			foreach ($unset_array as $to_unset)
			{
				if (strpos($key, $to_unset) !== false)
					continue 2;
			}
			$output[$key] = $val;
		}

		return $output;
	}

	protected function getMember($id)
	{
		$id = (int) $id;
		if (empty($id))
			return false;

		require_once(SUBSDIR . '/Members.subs.php');
		$member = getBasicMemberData($id, array('preferences' => true, 'moderation' => true));

		return $this->sanitizeMember($member);
	}
}

Restv1.controller.php

<?php

/**
 * The first implementation of a REST API for ElkArte.
 *
 * @name      ElkArte Forum
 * @copyright ElkArte Forum contributors
 * @license   BSD http://opensource.org/licenses/BSD-3-Clause
 *
 * @version 1.0
 *
 */

if (!defined('ELK'))
	die('No access...');

class Restv1_Controller extends Action_Controller
{
	public function action_index()
	{
		if (isset($_REQUEST['sa']))
			$sa = Util::htmlspecialchars($_REQUEST['sa']);
		else
			$sa = '';

		$this->format = isset($_REQUEST['api']) && $_REQUEST['api'] == 'xml' ? 'xml' : 'json';

		$this->interpret_request($sa);
		$this->dispatch();
	}

	protected function dispatch()
	{
		if ($this->validAction())
		{
			$db = database();

			$method = ucfirst($this->action) . '_Restv1';
			$instance = new $method($db);
			$this->response = $instance->get($this->id, $this->params);
		}

		if (empty($this->response))
		{
			$this->noAction();
		}

		return $this->sendResponse();
	}

	protected function validAction()
	{
		$valid = false;

		if (!empty($this->action) && file_exists(SUBSDIR . '/RestAPI/' . ucfirst($this->action) . '.restv1.php'))
		{
			require_once(SUBSDIR . '/RestAPI/' . ucfirst($this->action) . '.restv1.php');
			$valid = true;
		}

		return $valid;
	}

	protected function noAction()
	{
		$this->response = array('no_data' => 'no_data');
	}

	protected function sendResponse()
	{
		global $txt, $context;

		loadLanguage('Restv1');
		// @todo temporary while working on it, afterwards uncomment the next line
		loadTemplate('Restv1');
// 		loadTemplate(ucfirst($this->format));

		Template_Layers::getInstance()->removeAll();
		$context['sub_template'] = 'rest_' . $this->format;

		$context[$this->format . '_data'] = $this->buildResponseRecursive($this->response);
	}

	protected function buildResponseRecursive($response)
	{
		global $txt;

		$return = array();

		foreach ($response as $key => $val)
		{
			if (is_array($val))
				$return[$key] = $this->buildResponseRecursive($val);
			elseif (isset($txt[$val]))
				$return[$key] = $txt[$val];
			elseif ((string) $val === (string) (int) $val)
				$return[$key] = (int) $val;
			else
				$return[$key] = $val;
		}

		return $return;
	}

	protected function interpret_request($request)
	{
		$explode = explode('/', $request);

		$this->action = array_shift($explode);
		$this->id = array_shift($explode);

		$this->params = array();
		$total = count($explode);
		for ($i = 0; $i < $total; $i + 2)
		{
			$this->params[$explode[$i]] = isset($explode[$i + 1]) ? $explode[$i + 1] : null;
		}
	}
}