ae_drupal.module

<?php
/**
 * Implements hook_help.
 *
 * Displays help and module information.
 *
 * @param path
 *   Which path of the site we're using to display help
 * @param arg
 *   Array that holds the current path as returned from arg() function
 */
require('activationengine.php');
define('AEURL', 'http://aengine.net/api');

function ae_drupal_help($path, $arg) {
	switch ($path) {
		case "admin/help#ae_drupal":
			return '<p>' . t("Provides integration with Activation Engine. <br /> Activation Engine is a game engine geared towards real life multiplayer gaming. It provides a multi channel game experience with heavy emphasis on mobile devices. Activation Engine can be extended by creating custom game actions and fully tailored game user experience. It is suitable for both casual games and education.") . '</p>';
			break;
	}
}

/**
 * Implements hook_block_info().
 */
function ae_drupal_block_info() {
	$blocks['ae_drupal'] = array(
    	// The name that will appear in the block list.
    	'info' => t('Activation Engine'),
    	// Default setting.
    	'cache' => DRUPAL_CACHE_PER_ROLE,
	);
	return $blocks;
}

/**
 * Implements hook_menu().
 */
function ae_drupal_menu() {
	$items = array();
	$items['admin/config/content/ae_drupal'] = array(
		'title' => 'AE Drupal',
		'description' => 'Configuration for AE Drupal module',
		'page callback' => 'drupal_get_form',
		'page arguments' => array('ae_drupal_form'),
		'access arguments' => array('access administration pages'),
		'type' => MENU_NORMAL_ITEM,
	);

	$items['aedrupal/register_url'] = array(
		'title' => 'AE Current Page Recording',
		'type' => MENU_CALLBACK,
		'page callback' => 'ae_drupal_register_url',
		'access arguments' => array('access content'),
	);

	$items['aedrupal/get_dashboard'] = array(
		'title' => 'AE Get Dashboard',
		'type' => MENU_CALLBACK,
		'page callback' => 'ae_drupal_get_dashboard',
		'access arguments' => array('access content'),
	);	
	return $items;
}

/**
 * Page callback: AE Drupal settings
 *
 * @see ae_drupal_menu()
 */
function ae_drupal_form($form, &$form_state) {
	$form['ae_drupal_api_key'] = array(
		'#type' => 'textfield',
		'#title' => t('Activation Engine API key'),
		'#default_value' => variable_get('ae_drupal_api_key', '****************'),
		'#size' => 16,
		'#maxlength' => 16,
		'#description' => t('The API key used to connect to Activation Engine.'),
		'#required' => TRUE,
	);
	$form['ae_drupal_api_secret_key'] = array(
		'#type' => 'textfield',
		'#title' => t('Activation Engine API key secret'),
		'#default_value' => variable_get('ae_drupal_api_secret_key', '****************'),
		'#size' => 16,
		'#maxlength' => 16,
		'#description' => t('The API key secret used to connect to Activation Engine.'),
		'#required' => TRUE,
	);
	$form['ae_drupal_api_url'] = array(
		'#type' => 'textfield',
		'#title' => t('Activation Engine API Endpoint Url'),
		'#default_value' => variable_get('ae_drupal_api_url', 'http://aengine.net/api'),
		'#size' => 20,
		'#maxlength' => 25,
		'#description' => t('The endpoint address used to connect to Activation Engine API.'),
		'#required' => TRUE,
	);	
	return system_settings_form($form);
}

/**
 * Page callback: AE Drupal page url save
 *
 * @see ae_drupal_menu()
 */
function ae_drupal_register_url() {
	// Only do this for ajax requests
	if(!empty($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest') {
		if (isset($_SESSION['aetoken'])) {

	        $callUrl = sprintf('%s/%s/publictoken/visitpage?page=%s',
	        	variable_get('ae_drupal_api_url', AEURL), 
	        	$_SESSION['aetoken'], 
	        	isset($_POST['current_page']) ? $_POST['current_page'] : $_SERVER['PHP_SELF']
        	);

			$result = drupal_http_request($callUrl, array(
				'method' => 'GET',
				'timeout' => 15,
			));

			if (isset($result->data)) {
	        	$return = json_decode($result->data);

	        	// If we have a message token return it
				if (isset($return->msgtoken)) {
					drupal_json_output($return->msgtoken);
				}

				// Else, if we have message carry on
				if (isset($return->msg) && $return->msg == 'ok') {				
					drupal_exit();
				}
	        }
	    }
	}
}

/**
 * Page callback: AE Drupal dashboard
 *
 * @see ae_drupal_menu()
 */
function ae_drupal_get_dashboard() {
	if(!empty($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest') {
		$contents = ae_drupal_get_contents();
		drupal_json_output($contents);
	}
}


/**
 * Utility function for registering
 * an user with Activation Engine
 * The data is stored in session variables
 */
function ae_drupal_create_token($params) {
	$activationengine = new ActivationEngine($params);

	$userinfo = $activationengine->createUser(array('temp' => true));

	if (isset($userinfo->token)) {
		$_SESSION['aetoken'] = $userinfo->token;
		$_SESSION['username'] = $userinfo->username;
		return $userinfo->token;
	} else {
		return false;
	}
}

/**
 * This gets the AE content via an http request
 * and returns the decoded result
 */
function ae_drupal_get_contents() {
	$result = '';

	$params = array(
		'api_key'  			=> variable_get('ae_drupal_api_key', 'eeccad7839f22abd'),
		'api_secret_key' 	=> variable_get('ae_drupal_api_secret_key', 'e4496cf12b40062a'),
		'api_url' 			=> variable_get('ae_drupal_api_url', AEURL),
	);

	if (!isset($_SESSION['aetoken'])) {
		session_start();
		$token = ae_drupal_create_token($params);
	} else {
		$activationengine = new ActivationEngine($params);
		$test = $activationengine->testAccessToken($_SESSION['aetoken']);
		$token = ($test != true) ? ae_drupal_create_token($params) : $_SESSION['aetoken'];
	}

	$callUrl = sprintf('%s/%s/publictoken/getpage?frompage=timotest', variable_get('ae_drupal_api_url', AEURL), $_SESSION['aetoken']);

	$result = drupal_http_request($callUrl, array(
		'method' => 'GET',
		'timeout' => 15,
	));

	if (isset($result->data)) {
		return json_decode($result->data);
	}

	return false;
}

/**
 * This renders the html into a block
 */
function ae_drupal_block_view($delta = '') {
	switch ($delta) {
		case 'ae_drupal':

		$block['subject'] = t('Activation Engine');

		if (user_access('access content')) {

			// Use our custom function to retrieve data.
			// $result = ae_drupal_get_contents();

			// Assign content to the block
			// $block['content'] = $result ? stripslashes($result->dashboard) : t('Nothing to display at the moment.');
			$content = ob_start();
			?>
				<div id="ae-dashboard" class="dropdown is-not-empty">
					<div class="dropdown-toggle">
						<div class="dropdown-toggle-title" id="ae-title">0 Bonus Points</div>
					</div>
					<div class="dropdown-menu left-hand" id="ae-content">
						<div id="some_id">Loading...</div>
					</div>
				</div>
			<?php
			$block['content'] = ob_get_clean();
		}
		return $block;			
	}
}