<?php

class Appful_API {

	var $wpml;

	function __construct() {
		$this->wpml = new Appful_Plugin_WPML();
		$this->query = new Appful_API_Query();
		$this->introspector = new Appful_API_Introspector();
		$this->response = new Appful_API_Response();

		add_action('template_redirect', array(&$this, 'template_redirect'));
		add_action('admin_menu', array(&$this, 'admin_menu'));
		add_action('update_option_appful_api_base', array(&$this, 'flush_rewrite_rules'));
		add_action('pre_update_option_appful_api_controllers', array(&$this, 'update_controllers'));
		register_deactivation_hook( __FILE__, 'plugin_deactivate');
		add_action('post_submitbox_misc_actions', array(&$this, 'submitbox_actions'));
		add_action('pre_post_update', array(&$this, 'save_postdata'), 10, 1);
		add_action('save_post', array(&$this, 'save_postdata2'));
		add_filter('post_row_actions', array(&$this, 'post_row_actions'), 10, 2);
		add_action('wp_head', array(&$this, "add_header"));
		add_action('wp_footer', array(&$this, "add_footer"));

		add_action('delete_term', array(&$this, 'fill_cache'));
		add_action('edited_term', array(&$this, 'updateTaxonomy'));
		add_action('create_term', array(&$this, 'updateTaxonomy'));
		add_action('wp_enqueue_scripts', array(&$this, 'load_jquery'));

		add_action('wp_ajax_zaki_like_dislike_ajax', array(&$this,'onZakiCommentLike'), 1, 0);
		add_action('wp_ajax_nopriv_zaki_like_dislike_ajax', array(&$this,'onZakiCommentLike'), 1, 0);
		add_action('profile_update', array(&$this,'user_profile_update'), 10, 2);


		if (!get_option("appful_ip", false)) {
			$this->updateAllowedIPs();
		}

		if (time() - get_option("appful_register_last_refresh", 0) > get_option("appful_cache_register_interval", 60 * 60)) {
			$this->register();
		}

		if (time() - get_option("appful_cache_last_refresh", 0) > get_option("appful_cache_fill_interval", 24 * 60 * 60)) {
			$this->fill_cache();
		}

		if (isset($_REQUEST["appful_slider"]) && isset($_REQUEST["post_id"]) && isset($_REQUEST["nonce"])) {
			if (wp_verify_nonce($_REQUEST["nonce"], "appful-slider")) {
				$this->updateAppSlider($_REQUEST["post_id"], $_REQUEST["appful_slider"] == "true");
				$this->request("cache", array("post_id" => $_REQUEST["post_id"], "push" => 0));
			}
		}

		add_filter('redirect_canonical', array(&$this, 'cancel_redirect_canonical'));

		add_image_size('appful-medium', 512, 512, false);
		add_image_size('appful-large', 1024, 1024, false);
		add_image_size('appful-xlarge', 2048, 2048, false);
	}


	function requiresSession() {
		if(session_id() == '') session_start();
	}


	function siteURL() {
		$siteURL = home_url();
		if (!$siteURL) $siteURL = get_option("home", rtrim(get_option("siteurl"), "/"));
		if ($this->wpml->installed()) {
			$siteURL = apply_filters('wpml_home_url', rtrim($siteURL, "/") . "/");
			$siteURL = preg_replace('/([^\/])\?/s', '$1/?', $siteURL);
		}
		return rtrim($siteURL, "/");
	}


	function load_jquery(){
		if($this->showOverlayBanner()) {
			if (!wp_script_is('jquery', 'enqueued')) {
	        	wp_enqueue_script( 'jquery' );
	    	}
		    wp_enqueue_script("jquery-cookie", plugins_url("assets/js/jquery.cookie.js", dirname(__FILE__)), array(), '0');
    	}
	}


	function cancel_redirect_canonical($redirect_url) {
		if (in_array(get_query_var("jsn"), array("apple-app-site-association", "assetlinks.json"))) {
			return false;
		}

		return $redirect_url;
	}


	function updateTaxonomy($id) {
		if ($_REQUEST["taxonomy"] == "category") {
			$category = $this->introspector->get_category_by_id($id);
		} else {
			if (in_array($_REQUEST["taxonomy"], array("tag", "post_tag"))) $tag = $this->introspector->get_tag_by_id($id);
		}

		if (isset($tag) || isset($category)) {
			if (isset($tag)) $payload = array("tags" => array($tag));
			else $payload = array("categories" => array($category));

			$this->request("cache", array("action" => "update", "taxonomies" => $payload));
		}
	}


	function updateAllowedIPs() {
		$request = $this->request("authorizedIPs", NULL);
		$authorized_ips = $request["payload"];
		if (!$authorized_ips) {
			$authorized_hostnames = array("appful.net", "appful.de", "appful.io", "api.appful.io");
			foreach ($authorized_hostnames as $hostname) {
				$array = gethostbynamel($hostname);
				if (!$array) $array = array();
				$ips = array_merge($array, $this->gethostbynamel6($hostname));
				foreach ($ips as $ip) {
					if ($ip != $hostname && !in_array($ip, $authorized_ips)) {
						$authorized_ips[] = $ip;
						if (strpos($ip, "[") !== FALSE) $authorized_ips[] = str_replace(array("[", "]"), "", $ip);
					}
				}
			}

			$authorized_ips = array_values(array_unique($authorized_ips));
		}

		$this->save_option("appful_ip", $this->response->encode_json($authorized_ips));
	}


	function gethostbynamel6($host) {
		$dns = dns_get_record($host, DNS_AAAA);

		$ip6 = array();
		foreach ($dns as $record) {
			if ($record["type"] == "AAAA") {
				$ip6[] = "[". $record["ipv6"] . "]";
			}
		}

		return $ip6;
	}


	function showOverlayBanner () {
		global $showAppfulOverlayBanner;
		if(isset($showAppfulOverlayBanner)) return $showAppfulOverlayBanner;

		$showAppfulOverlayBanner = false;
		//if(preg_match('/(iphone|ipod|ipad|android)/is', $_SERVER['HTTP_USER_AGENT']) && !isset($_SESSION["appful_overlay_banner"])) { //ismobile
		$overlaybanner = $this->response->decode_json(get_option("appful_overlay_banner"));
		if($overlaybanner && !is_admin()) { //isconfigured
			if(!preg_match('/Googlebot/', $_SERVER['HTTP_REFERER'])) { //may filter google
				//if(!isset($_COOKIE["appful_overlay_banner"]) || (time() - $_COOKIE["appful_overlay_banner"] > $overlaybanner["frequency"] && $overlaybanner["frequency"] >= 0)) { //reached frequency
					$showAppfulOverlayBanner = true;
				//}
			}
		}
		//}

		if(isset($_REQUEST["showBanner"])) $showAppfulOverlayBanner = true;

		if($showAppfulOverlayBanner) {
			$this->requiresSession();
		}

		return $showAppfulOverlayBanner;
	}


	function add_header() {
		$smart_banner = $this->response->decode_json(get_option("appful_smart_banner"));
		if ($smart_banner) {
			$header = '<meta name="apple-itunes-app" content="app-id='. $smart_banner["itunes_id"] . (is_single() ? ", app-argument=https://appful.post/". get_the_ID() : "") .'">';
			if (is_single() && $smart_banner["deeplinking"]) {
				$header .= '<meta property="al:ios:app_store_id" content="'. $smart_banner["itunes_id"] .'" />
							<meta property="al:ios:url" content="'. $smart_banner["url_scheme"] .'://'. get_the_ID() .'" />
							<meta property="al:ios:app_name" content="'. $smart_banner["name"] .'" />';
			}
			echo $header;
		}

		if($this->showOverlayBanner()) {
			?><link href="<?php echo plugins_url("assets/css/overlaybanner.css", dirname(__FILE__)) ?>" rel="stylesheet"><?php
		}
	}


	function add_footer() {
		if($this->showOverlayBanner()) {
			$overlaybanner = $this->response->decode_json(get_option("appful_overlay_banner"));
			?>
			<div class="af-overlay" id="appful-overlay-banner" style="display: none;">
				<svg style="cursor: pointer" onclick="appful_hide_overlay();" class="af-window-close" width="34px" height="34px" viewBox="0 0 34 34" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
				    <!-- Generator: Sketch 39.1 (31720) - http://www.bohemiancoding.com/sketch -->
				    <desc>Close Window</desc>
				    <defs></defs>
				    <path d="M15,15 L7.00494659,15 C5.89702623,15 5,15.8954305 5,17 C5,18.1122704 5.89764516,19 7.00494659,19 L15,19 L15,26.9950534 C15,28.0884781 15.8954305,29 17,29 C18.1122704,29 19,28.1023548 19,26.9950534 L19,19 L26.9950534,19 C28.1029738,19 29,18.1045695 29,17 C29,15.8877296 28.1023548,15 26.9950534,15 L19,15 L19,7.00494659 C19,5.91152191 18.1045695,5 17,5 C15.8877296,5 15,5.89764516 15,7.00494659 L15,15 Z" id="Combined-Shape" stroke="none" fill="#FFFFFF" fill-rule="evenodd" transform="translate(17.000000, 17.000000) rotate(44.000000) translate(-17.000000, -17.000000) "></path>
				</svg>
				<div class="af-window">
					<div class="af-window-header">
						<h2><?php echo $overlaybanner["title"] ?></h2>
						<p><?php echo $overlaybanner["description"] ?></p>
						<div class="af-device">
							<img src="<?php echo $overlaybanner["screenshot_url"] ?>" alt="" width="212" height="342" />
						</div>
					</div>
					<div class="af-window-bar">
						<div class="af-button seg" style="cursor: pointer;" onclick="appful_hide_overlay();">
							<?php echo $overlaybanner["skip_title"] ? $overlaybanner["skip_title"] : $this->localize("overlay_mobile") ?>
						</div>
						<div class="af-button prim" style="cursor: pointer;" onclick="window.open('<?php echo $overlaybanner["target_url"] . (is_single() && get_post_type() != "page" && $overlaybanner["append_postid"] ? get_the_ID() : "") ?>', '_self');">
							<?php echo $overlaybanner["target_title"] ? $overlaybanner["target_title"] : "DOWNLOAD" ?>
						</div>
					</div>
				</div>
			</div>

			<script>
			function appful_hide_overlay() {
				var elem = document.getElementById('appful-overlay-banner'); elem.parentNode.removeChild(elem);
			}

			if (jQuery) {
				jQuery(document).ready(function() {
					try {
						jQuery("#appful-overlay-banner").click(function(e) {
							appful_hide_overlay();
						})
						jQuery(".af-window").on("click", function(event){
						  event.stopPropagation();
						});

						var showBanner = false;
						var time = Math.floor(Date.now() / 1000);

						if(navigator.userAgent.match(/(Android|iPhone|iPad)/i)) {
							var frequency = <?php echo $overlaybanner["frequency"]; ?>;
							var google_referrer = <?php echo $overlaybanner["google_referrer"] ? 1 : 0; ?>;

							if(!document.referrer.match(/Google/i) || google_referrer == 1) {
								if(!jQuery.cookie("appful_overlay_banner") || (time - jQuery.cookie("appful_overlay_banner") > frequency && frequency >= 0 && jQuery.cookie("appful_last_session") != jQuery.cookie("PHPSESSID"))) {
									showBanner = true;
								}
							}
						}
						if(window.location.href.match(/showBanner=1/)) {
							showBanner = true;
						}

						if(showBanner) {
							jQuery("#appful-overlay-banner").show();
							jQuery.cookie("appful_last_session", jQuery.cookie("PHPSESSID"), { expires : 365 });
							jQuery.cookie("appful_overlay_banner", time, { expires : 365 });
						} else {
							appful_hide_overlay();
						}
					} catch (error) {}
				});
			}
			</script>
			<?php
		}
	}


	function enabled_shortcodes() {
		global $allowed_shortcodes;
		if (!$allowed_shortcodes) {
			$string = get_option("appful_enabled_shortcodes", false);
			if ($string) $allowed_shortcodes = $this->response->decode_json($string);
			if (!$allowed_shortcodes) $allowed_shortcodes = array();
		}

		return $allowed_shortcodes;
	}


	function disabled_shortcodes() {
		global $disallowed_shortcodes;
		if (!$disallowed_shortcodes) {
			$string = get_option("appful_disabled_shortcodes", false);
			if ($string) $disallowed_shortcodes = $this->response->decode_json($string);
			if (!$disallowed_shortcodes) $disallowed_shortcodes = array();
		}

		return $disallowed_shortcodes;
	}


	function get_menu() {
		$locations = get_nav_menu_locations();
		$menu = array();

		if ($locations['primary']) {
			$menu_infos = (array)wp_get_nav_menu_object($locations['primary']);
			if ($menu_infos && $menu_infos['taxonomy'] == 'nav_menu' && $menu_infos['slug'] != 'footer' && strtolower($menu_infos['name']) != 'footer') {
				$menu = array('id' => $menu_infos['term_id'], 'name' => $menu_infos['name'], 'slug' => $menu_infos['slug']);
				$items_array = wp_get_nav_menu_items($menu['id']);
				foreach ($items_array as $object_) {
					$object = (array)$object_;
					if ($object['post_status'] == 'publish') {
						$item = array('id' => $object['ID'], 'type' => $object['type'], 'title' => $object['title'] != "" ? $object['title'] : $object['post_title']);
						if ($item['type'] == 'custom') $item['url'] = $object['url'];
						else $item['object_id'] = (int)$object['object_id'];
						if ($object['object'] != 'category' && $item['type'] != 'custom') $item['object_type'] = $object['object'];
						if ($object['menu_item_parent'] > 0) $item['parent_id'] = (int)$object['menu_item_parent'];
						$items[] = $item;
					}
				}

				foreach ($items as $index => $item) {
					if (isset($item['parent_id'])) {
						foreach ($items as &$item2) {
							if ($item2['id'] == $item['parent_id']) {
								$item2['childs'][] = $item;
								break;
							}
						}
						unset($items[$index]);
					}
				}

				$menu['items'] = array_values($items);
			}
		}

		return $menu;
	}


	function template_redirect() {
		global $wpdb;
		// Check to see if there's an appropriate API controller + method

		$universal_links = get_option("appful_universallinks_ios", false);
		if (get_query_var("jsn") == "apple-app-site-association" && $universal_links) {
			header('Content-type: application/json');
			echo $universal_links;
			die();
		}

		$universal_links = get_option("appful_universallinks_android", false);
		if (get_query_var("jsn") == "assetlinks.json" && $universal_links) {
			header('Content-type: application/json');
			echo $universal_links;
			die();
		}


		$controller = strtolower($this->query->get_controller());
		if ($controller) {
			$controller_path = $this->controller_path($controller);
			if (file_exists($controller_path)) {
				require_once $controller_path;
			}
			$controller_class = $this->controller_class($controller);

			if (!class_exists($controller_class)) {
				$this->error("Unknown controller '$controller_class'.");
			}

			$this->controller = new $controller_class();
			$method = $this->query->get_method($controller);

			if ($method) {
				error_reporting(0);
				nocache_headers();
				if (!defined("DONOTCACHEPAGE")) {
					define('DONOTCACHEPAGE', true);
				}

				if (extension_loaded('newrelic')) {
					newrelic_ignore_transaction();
				}

				$canQuickconnect = ($_REQUEST["quickconnect_id"] == get_option("appful_quickconnect_id") && strlen(get_option("appful_quickconnect_id")) > 0);
				$authorized = ($_REQUEST["session_id"] == get_option($this->wpml->filterVar("appful_session_id")) && strlen(get_option($this->wpml->filterVar("appful_session_id"), "")) > 0) || $canQuickconnect;
				$canQuickconnect = $canQuickconnect || strlen(get_option($this->wpml->filterVar("appful_session_id"), "")) == 0;
				if (!$authorized) {
					foreach (explode(",", $this->getClientIP()) as $clientIP) {
						$clientIP = trim($clientIP);
						if (strlen($clientIP) > 0) {
							if (!in_array($clientIP, $this->response->decode_json(get_option("appful_ip"))) && !$updated) {
								$this->updateAllowedIPs();
								$updated = true;
							}

							if (in_array($clientIP, $this->response->decode_json(get_option("appful_ip")))) {
								$authorized = true;
								break;
							}
						}
					}

					if (!$authorized && !($controller == "core" && $method == "info")) {
						$this->error('Hostname not authorized.' . (isset($_REQUEST["debug"]) ? " ". $this->getClientIP() . ", " . get_option("appful_ip") : ""));
						die();
					}
				}

				if ($authorized) {
					if (isset($_REQUEST["disable_curl"])) {
						$_REQUEST["disable_curl"] == 1 ? $this->save_option("appful_disable_curl", true) : delete_option("appful_disable_curl");
					}

					if (isset($_REQUEST["disable_fopen"])) {
						$_REQUEST["disable_fopen"] == 1 ? $this->save_option("appful_disable_fopen", true) : delete_option("appful_disable_fopen");
					}

					if (isset($_REQUEST["disable_ssl"])) {
						$_REQUEST["disable_ssl"] == 1 ? $this->save_option("appful_disable_ssl", true) : delete_option("appful_disable_ssl");
					}

					if (isset($_REQUEST["setServer"])) {
						$this->save_option("appful_server_id", (int)$_REQUEST["setServer"]);
					}

					if (isset($_REQUEST["setSession"])) {
						$this->save_option($this->wpml->filterVar("appful_session_id"), $_REQUEST["setSession"]);
					}

					if ($canQuickconnect && isset($_REQUEST["quickconnect_session_id"]) && strlen(get_option($this->wpml->filterVar("appful_session_id"), "")) == 0) {
						$this->save_option("appful_quickconnect_session_id", $_REQUEST["quickconnect_session_id"]);
						$_REQUEST["register"] = 1;
					}

					if (isset($_REQUEST["register"])) {
						$this->response->respond($this->register());
					}

					if (isset($_REQUEST["fill"])) {
						isset($_REQUEST["register"]) ? $this->fill_cache() : $this->response->respond($this->fill_cache());
					}

					if (isset($_REQUEST["register"]) || isset($_REQUEST["fill"])) die();

					if (isset($_REQUEST["allPostTypes"])) {
						$this->response->respond(array("payload" => $this->getAllPostTypes()));
						die();
					}

					if (isset($_REQUEST["allPlugins"])) {
						if (!function_exists('get_plugins')) {
							require_once ABSPATH . 'wp-admin/includes/plugin.php';
						}

						$this->response->respond(array("payload" => get_plugins()));
						die();
					}

					if (isset($_REQUEST["fetchURL"])) {
						global $http_code;
						if (substr($_REQUEST["fetchURL"], 0, 5) != "http") $_REQUEST["fetchURL"] = "http://" . $_REQUEST["fetchURL"];
						$this->response->respond(array("code" => $http_code ?: 0, "payload" => $this->get_contents($_REQUEST["fetchURL"], isset($_REQUEST["params"]) ? $this->response->decode_json($_REQUEST["params"]) : NULL)));
						die();
					}

					if (isset($_REQUEST["getHost"])) {
						$this->response->respond(array("payload" => gethostbyname($_REQUEST["getHost"] != 1 ? $_REQUEST["getHost"] : "appful.io")));
						die();
					}

					if (isset($_REQUEST["socketHost"])) {
						$starttime = microtime(true);
						$file      = fsockopen($_REQUEST["pingHost"] != 1 && isset($_REQUEST["pingHost"]) ? $_REQUEST["pingHost"] : "appful.io", isset($_REQUEST["pingPort"]) ? $_REQUEST["pingPort"] : 80, $errno, $errstr, 10);
						$stoptime  = microtime(true);
						$status    = 0;

						if (!$file) $status = -1;  // Site is down
						else {
							fclose($file);
							$status = ($stoptime - $starttime) * 1000;
							$status = floor($status);
						}

						$this->response->respond(array("payload" => $status, "error" => $errstr, "errorno" => $errno));
						die();
					}


					if (isset($_REQUEST["pingHost"])) {
						header('Content-Type: text/plain');
						echo shell_exec("ping -c 3 ". escapeshellarg($_REQUEST["pingHost"] != 1 ? $_REQUEST["pingHost"] : "appful.io"));
						die();
					}

					if (isset($_REQUEST["trace"])) {
						header('Content-Type: text/plain');
						echo shell_exec('traceroute '. escapeshellarg($_REQUEST["trace"] != 1 ? $_REQUEST["trace"] : "appful.io"));
						system("killall -q traceroute");

						die();
					}

					if (isset($_REQUEST['menu'])) {
						$this->response->respond(array("payload" => $this->get_menu()));
						die();
					}

					if (isset($_REQUEST['force'])) {
						$post_id = get_the_ID();
						if ($post_id) {
							$this->response->respond(appful_on_post($post_id, isset($_REQUEST["dopush"])));
						}
						die();
					}

					if (isset($_REQUEST["taxonomies"])) {
						$taxonomies = is_array($_REQUEST["taxonomies"]) ? $_REQUEST["taxonomies"] : $this->response->decode_json($_REQUEST["taxonomies"]);

						$payload = array();
						foreach ($taxonomies as $type => $ids) {
							foreach ($ids as $taxonomy_id) {
								$post_ids = get_posts(array(
										'numberposts'   => -1, // get all posts.
										'tax_query'     => array(
											array(
												'taxonomy'  => $type,
												'field'     => 'id',
												'terms'     => $taxonomy_id,
											),
										),
										'fields'        => 'ids', // Only get post IDs
									));

								$payload[$type][$taxonomy_id] = $post_ids;
							}
						}


						$this->response->respond(array("payload" => $payload));
						die();
					}

					if(isset($_REQUEST["debugBanner"])) {
						global $showAppfulOverlayBanner;
						$this->requiresSession();
						$this->response->respond(array("payload" => array("showBanner" => $this->showOverlayBanner(), "displayedThisSession" => isset($_SESSION["appful_overlay_banner"]), "userAgent" => $_SERVER['HTTP_USER_AGENT'], '$showAppfulOverlayBanner' => $showAppfulOverlayBanner, "isMobile" => preg_match('/(iphone|ipod|ipad|android)/is', $_SERVER['HTTP_USER_AGENT']) == 1)));
						die();
					}

					if(isset($_REQUEST["regenerateThumbnails"])) {
						$this->regenerateThumbnails();
						$this->response->respond(array("payload" => array()));
						die();
					}

					if(isset($_REQUEST["attachments"])) {
						$ids = json_decode($_REQUEST["attachments"], true);
						$ids = array_map(function($e) { return (int)$e; }, $ids);
						$attachments = $wpdb->get_results("SELECT ID,post_title FROM `". $wpdb->posts ."` WHERE `post_type` = 'attachment' AND `ID` IN ('". implode("', '", $ids) ."') ORDER BY `post_date` DESC", ARRAY_A);
						$attachments = array_map(function($e) {
							$sizes = array("full", "appful-large");
							$images = array();
							$fullUrl = "";
							foreach($sizes as $size) {
								list($url, $width, $height) = wp_get_attachment_image_src($e["ID"], $size);
								if(!$url || $url == $fullUrl) continue;
								if($size == "full") $fullUrl = $url;
								$images[$size] = array("url" => $url, "width" => $width, "height" => $height);
							}
							return array("id" => (int)$e["ID"], "title" => $e["post_title"] ?: "", "images" => $images);
						}, $attachments);
						echo json_encode($attachments);
						die();
					}
				}


				$this->response->setup();

				// Run action hooks for method
				do_action("appful_api-{$controller}-$method");

				// Error out if nothing is found
				if ($method == '404') {
					$this->error('Not found');
				} else if ($method == "error") {
						$this->error("Method not found");
					}

				$result = $this->controller->$method();
				$this->response->respond($result);
				exit;
			}
		}
	}


	function submitbox_actions() {
		global $post;
		if (in_array($post->post_type, $this->post_types()) && $post->post_type != "page") {
			$value = $this->isAppSlider($post->ID);

			$pushCandidate = !in_array($post->post_status, array("publish"));
			$pushVal = $this->getPushStatus($post->ID);
?>
		<div class="misc-pub-section">
		<input type="checkbox" style="margin-right:10px;" name="show_in_main_appful_slider" id="appful_checkbox_main_slider" <?php echo $value ? " checked":"" ?>><label for="appful_checkbox_main_slider"><?php echo $this->localize("app_slider_checkbox") ?></label>
		<?php if ($pushCandidate) { ?>
		<br /><div style="margin-top: 7px;"></div>
		<input type="checkbox" style="margin-right:10px;" name="appful_push_on_release" id="appful_checkbox_push_post"<?php echo ($pushVal ? " checked" : "") ?>><label for="appful_checkbox_push_post"><?php echo $this->localize("push_checkbox") ?></label>
		<?php } ?>
		</div>
		<?php
		}
	}


	function getPushStatus($post_id) {
		$pushDefault = get_option("appful_push_default", 1) == 1;
		$metadataExists = metadata_exists('post', $post_id, 'appful-no-push');
		$disabled = get_post_meta($post_id, 'appful-no-push', true) == 1;
		return ($pushDefault && (!$metadataExists || !$disabled)) || (!$pushDefault && ($metadataExists && !$disabled)) || (isset($_POST['appful_push_on_release']) && $_POST['appful_push_on_release'] == 'on');
	}


	function save_postdata($post_id) {
		/* check if this is an autosave */

		if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) return false;

		/* check if the user can edit this page */
		if ( !current_user_can( 'edit_page', $post_id ) ) return false;

		/* check if there's a post id and check if this is a post */
		/* make sure this is the same post type as above */
		if (empty($post_id) || !in_array($_POST['post_type'], $this->post_types())) return false;


		if (isset($_POST["original_post_status"]) && !in_array($_POST["original_post_status"], array("publish"))) {
			delete_post_meta($post_id, 'appful-no-push');
			$checked = isset($_POST['appful_push_on_release']) && $_POST['appful_push_on_release'] == "on";
			$default = get_option("appful_push_default", 1) == 1;

			if($default xor $checked) {
				add_post_meta($post_id, 'appful-no-push', $default ? 1:0);
			}
		}
	}


	function save_postdata2($post_id) {
		if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) return false;
		if ( !current_user_can( 'edit_page', $post_id ) ) return false;
		$this->updateAppSlider($post_id, isset($_POST['show_in_main_appful_slider']));
	}


	function updateAppSlider($post_id, $value) {
		if ($value) {
			wp_set_post_tags($post_id, 'app-slider', true);
		} else {
			foreach (wp_get_post_tags($post_id) as $tag) {
				if ($tag->name != "app-slider") $tags[] = $tag->name;
			}
			wp_set_post_tags($post_id, $tags, false);
		}
	}


	function getAllPostTypes() {
		$postTypes = array();
		foreach (array_keys(get_post_types('', 'names')) as $type) {
			if (!in_array($type, array("attachment", "nav_menu_item", "revision"))) {
				$count = wp_count_posts($type);
				$postTypes[] = array("id" => $type, "count" => (int)$count->publish);
			}
		}
		return $postTypes;
	}


	function isAppSlider($post_id) {
		$tags = wp_get_post_tags($post_id);
		$value = false;
		foreach ($tags as $tag) {
			if ($tag->name == "app-slider") {
				$value = true;
				break;
			}
		}
		return $value;
	}


	function post_row_actions($actions, $post) {
		$value = $this->isAppSlider($post->ID);
		$actions['edit_badges'] = "<a href='" . admin_url("edit.php?appful_slider=". ($value ? "false":"true") ."&post_id=". $post->ID . "&nonce=". wp_create_nonce('appful-slider')) . "'>" . ($value ? "-":"+") . ' App-Slider' . "</a>";
		return $actions;
	}


	function get_contents($url, $params) {
		global $http_code, $serverOffline;

		foreach ($params as $k => &$v) {
			if (is_array($v)) $v = $this->response->encode_json($v);
		}

		$postData = http_build_query($params, '', '&');

		if (in_array('curl', get_loaded_extensions()) && !get_option("appful_disable_curl")) { //curl installed, use curl
			$ch = curl_init();
			curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
			curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
			curl_setopt($ch, CURLOPT_URL, $url);
			curl_setopt($ch, CURLOPT_HEADER, false);
			curl_setopt($ch, CURLOPT_POST, count($params));
			curl_setopt($ch, CURLOPT_POSTFIELDS, $postData);
			curl_setopt($ch, CURLOPT_TIMEOUT, 10);
			curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 10);
			curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
			curl_setopt($ch, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V4);
			if (isset($_REQUEST["debug_curl"])) {
				curl_setopt($ch, CURLOPT_VERBOSE, true);
				$verbose = fopen('php://output', 'w+');
				curl_setopt($ch, CURLOPT_STDERR, $verbose);
			}

			$output = curl_exec($ch);
			$serverOffline = curl_errno($ch) == 7;
			$http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
			if (isset($_REQUEST["debug_curl"])) {
				print_r(curl_getinfo($ch));
				echo "\n\n";
				fclose($verbose);
			}
			if (isset($_REQUEST["curl_error"])) {
				print_r(curl_error($ch));
			}
			curl_close($ch);

			return $output;
		} else if (ini_get('allow_url_fopen') && !get_option("appful_disable_fopen")) {
				$context = stream_context_create(array('http' => array('header' => 'Connection: close\r\n', 'method'  => 'POST', 'ignore_errors' => true, 'ssl' => array('verify_peer' => false, 'allow_self_signed'=> true), 'header'  => 'Content-type: application/x-www-form-urlencoded', 'content' => $postData)));
				$result = file_get_contents($url, false, $context);
				foreach ($http_response_header as $header) {
					if ( preg_match( "#HTTP/[0-9\.]+\s+([0-9]+)#", $header, $out)) {
						$http_code = intval($out[1]);
					}
				}
				if (isset($_REQUEST["debug_headers"])) {
					print_r($http_response_header);
				}
				return $result;
			}
	}


	function request($location, $params) {
		global $http_code, $serverOffline;

		if ((strlen(get_option($this->wpml->filterVar("appful_blog_id"))) > 0 && strlen(get_option($this->wpml->filterVar("appful_session_id"), "")) > 0) || in_array($location, array("register", "authorizedIPs"))) {
			$params["blog_id"] = get_option($this->wpml->filterVar("appful_blog_id"));
			if (!isset($params["quickconnect"])) $params["session_id"] = get_option($this->wpml->filterVar("appful_session_id"), "");
			$params["lang"] = $this->wpml->installed() ? $this->wpml->current() : $this->locale();
			$url = "https://api.appful.io/v2/plugin/". $location;
			if (!get_option("appful_ssl_available") && !get_option("appful_disable_ssl")) {
				if (get_option("appful_last_ssl_check")+24*60*60 < time()) {
					$fp = fsockopen("ssl://api.appful.io", 443, $ErrNo, $ErrString, 30);

					if ($fp) {
						$response = $this->get_contents($url, $params);
						if (!$response) {
							$response = $this->get_contents(str_replace("https", "http", $url), $params);
							if ($response) {
								fclose($fp);
								$fp = NULL;
							}
						}
					}

					if ($fp) {
						$this->save_option("appful_ssl_available", true);
						delete_option("appful_ssl_error");
						fclose($fp);
					} else {
						if ($ErrString) $this->save_option("appful_ssl_error", $ErrString);
						$this->save_option("appful_ssl_available", false);
					}

					$this->save_option("appful_last_ssl_check", time());
				}
			}

			if ((!get_option("appful_ssl_available") || get_option("appful_disable_ssl")) && !isset($_REQUEST["useSSL"])) $url = str_replace("https", "http", $url);
			if (!$response) $response = $this->get_contents($url, $params);

			if ((!$response || !$response && $serverOffline) && !isset($_REQUEST["useSSL"])) {
				$serverCount = get_option("appful_server_count", 2);
				for ($i = 1; $i <= $serverCount; $i++) {
					if ($i != get_option("appful_server_id", 1)) {
						$response = $this->get_contents(str_replace("s". get_option("appful_server_id", 1). ".", "s". $i . ".", $url), $params);
						if ($response) {
							$this->save_option("appful_server_id", $i);
							break;
						}
					}
				}
			}

			if (!$response) {
				delete_option("appful_ssl_available");
				delete_option("appful_last_ssl_check");
			}

			$array = $this->response->decode_json($response);
			$response = $array ? $array : $response;
			if ($http_code == 401) {
				$this->save_option($this->wpml->filterVar("appful_session_id"), "");
				$this->save_option("appful_invalid_session", "1");
			}
			if ($response["server_id"] > 0) {
				$this->save_option("appful_server_id", $response["server_id"]);
			}
			return $response;
		}
	}


	function fill_cache() {
		if (strlen(get_option($this->wpml->filterVar("appful_session_id"), "")) > 0) {
			$this->save_option("appful_cache_last_refresh", time());

			global $wpdb;

			$post_types = $this->post_types();

			$posts = $wpdb->get_results("SELECT id,post_modified_gmt,post_type FROM `". $wpdb->posts ."` WHERE (`post_status` = 'publish' OR (`post_type` = 'page' AND `post_status` IN ('publish', 'draft', 'private'))) AND `post_type` IN ('". implode("', '", $post_types) ."') ORDER BY `post_date` DESC", ARRAY_A);
			$allPosts = array();
			$allPages = array();

			foreach ($posts as $post) {
				if ($this->wpml->installed()) {
					if ($this->wpml->post_lang($post["id"]) != $this->wpml->current()) {
						continue;
					}
				}

				$item = array("id" => (int)$post["id"], "modified" => strtotime($post["post_modified_gmt"]));
				if ($post["post_type"] == "page") {
					$allPages[] = $item;
				} else {
					$allPosts[] = $item;
				}
			}

			$taxonomies = $this->fill_taxonomies_payload();

			$attachments = $wpdb->get_results("SELECT ID FROM `". $wpdb->posts ."` WHERE `post_type` = 'attachment' ORDER BY `post_date` DESC", ARRAY_A);
			$attachments = array_map(function($e) {
				return (int)$e["ID"];
			}, $attachments);

			$payload = array("posts" => $allPosts, "pages" => $allPages, "taxonomies" => $taxonomies, "post_types" => $this->getAllPostTypes(), 'attachments' => $attachments, 'menu' => $this->get_menu());
			if (isset($_REQUEST["output"])) {
				$this->response->respond($payload);
				exit;
			} else {
				return $this->request("cache", $payload);
			}
		} else if (isset($_REQUEST["fill"])) {
				$this->error("Not logged in.");
			}
	}


	function fill_taxonomies_payload() {
		$tags = $this->introspector->get_tags(array("hide_empty" => 0));
		$categories = $this->introspector->get_categories(array("hide_empty" => 0));
		$request = array("tags" => $tags, "categories" => $categories);
		return $request;
	}


	function post_types() {
		$post_types = $this->response->decode_json(get_option("appful_cached_post_types"));
		if (!$post_types) $post_types = array();
		if (count($post_types) == 0) $post_types[] = "post";
		$post_types[] = "page";
		return $post_types;
	}


	function set_cookie($key, $value, $days = 30) {
		setcookie($key, $value, time() + 3600 * 24 * $days, '/');
		$_COOKIE[$key] = $value;
	}


	function unset_cookie($key) {
		setcookie($key, '', time() - 1, '/');
		unset($_COOKIE[$key]);
	}


	function admin_menu() {
		//add_options_page('appful connect', 'appful connect', 'manage_options', 'appful', array(&$this, 'admin_options'));
		add_menu_page('appful', 'appful', 'manage_options', 'appful', array(&$this, 'admin_options'), "dashicons-groups");
	}


	function localize($key) {
		$locale = $this->locale();

		$strings["de"] = array(
			"username" => "Benutzername",
			"password" => "Passwort",
			"message_connected" => "Dieser Blog ist erfolgreich bei appful mit dem Benutzer USER verbunden.",
			"message_cache_prefix" => "Der Cache",
			"message_cache_ok" => "ist aktuell",
			"message_cache_filling" => "wird befüllt",
			"hint_not_connected" => "Dieser Blog ist nicht mehr mit appful verbunden!",
			"connect" => "Verbinden",
			"disconnect" => "Trennen",
			"select_app" => "App auswählen",
			"select" => "auswählen",
			"description" => "Beschreibung",
			"size_small" => "Klein",
			"size_large" => "Groß",
			"size" => "Größe",
			"error_no_published_app" => "Du hast leider noch keine veröffentlichte App. Das Widget wird angezeigt, sobald du deine erste App veröffentlichst.",
			"fopen_error" => "Bitte aktivieren Sie allow_url_fopen in den php-Einstellungen (php.ini) oder installieren Sie cURL.",
			"app_slider_checkbox" => "App-Slider auf der Startseite",
			"push_checkbox" => "App Push-Benachrichtigung",
			"more_infos" => "Weitere Infos",
			"register" => "Registrieren",
			"no_local" => "appful funktioniert leider nur auf von außen erreichbaren Servern (nicht lokalen Installationen).",
			"taxonomy_image_select" => "Bild auswählen",
			"taxonomy_image_remove" => "Bild entfernen",
			"taxonomy_image" => "Bild",
			"overlay_mobile" => "Ich bevorzuge die<br>mobile Seite"
		);

		$strings["en"] = array(
			"username" => "Username",
			"password" => "Password",
			"message_connected" => "This blog successfully connected with appful (Username: USER).",
			"message_cache_prefix" => "The cache is",
			"message_cache_ok" => "up to date",
			"message_cache_filling" => "being filled",
			"hint_not_connected" => "This blog is no longer connected with appful!",
			"connect" => "Connect",
			"disconnect" => "Disconnect",
			"select_app" => "Select App",
			"select" => "Select",
			"description" => "Description",
			"size_small" => "Small",
			"size_large" => "Large",
			"size" => "Size",
			"error_no_published_app" => "You do not have any published app. The widget will be displayed as soon as you publish your first app.",
			"fopen_error" => "Please enable allow_url_fopen in your php-configuration (php.ini) or install cURL.",
			"app_slider_checkbox" => "App-Slider on Main Screen",
			"push_checkbox" => "App Push-Notification",
			"more_infos" => "More Infos",
			"register" => "Register",
			"no_local" => "Unfortunately, appful only works on public websites and not on local installations (localhost).",
			"taxonomy_image_select" => "Select Image",
			"taxonomy_image_remove" => "Remove Image",
			"taxonomy_image" => "Image",
			"overlay_mobile" => "Thanks, I prefer the <br>slower mobile site"
		);

		if (!in_array($locale, array_keys($strings))) {
			$locale = "en";
		}

		$string = $strings[$locale][$key];
		return $string ? $string : $key;
	}


	function locale() {
		$var = explode("_", get_locale());
		$locale = $var[0];
		if (!in_array($locale, array("de", "en"))) return "en";
		return $locale;
	}


	function admin_options() {
		if (!current_user_can('manage_options')) {
			wp_die(__('You do not have sufficient permissions to access this page.'));
		}

		if (!get_option("appful_quickconnect_id", false)) {
			$this->save_option("appful_quickconnect_id", $this->generate(20));
		}

		if (isset($_REQUEST["quickconnect_session_id"]) && !get_option($this->wpml->filterVar("appful_session_id"))) {
			$this->save_option("appful_quickconnect_session_id", $_REQUEST["quickconnect_session_id"]);
		}

		$siteURL = $this->siteURL();

		$hostname = parse_url($siteURL, PHP_URL_HOST);
		$isLocal = $hostname == "localhost" || substr($hostname, 0, 8) == "192.168.";

		if (!$isLocal) $request = $this->register();

		$loggedIn = !(strlen(get_option($this->wpml->filterVar("appful_session_id"), "")) == 0 || $request["status"] == "error" || !$request);

?>
			<link href="<?php echo plugins_url("assets/css/admin.css", dirname(__FILE__)) ?>" rel="stylesheet">
			<style>
				#wpwrap {
					background-image:url("<?php echo plugins_url("assets/img/background.png", dirname(__FILE__)); ?>");
				}
				.al-wrap #logo {
					background:url("<?php echo plugins_url("assets/img/appful-logo.png", dirname(__FILE__)); ?>") no-repeat center center;
					background-size:contain;
				}
				.promo-box {
					background:url("<?php echo plugins_url("assets/img/appful-plugin-promo.jpg", dirname(__FILE__)); ?>") #fff no-repeat top center;
				}
				.al-button {
					width: 2<?php echo $this->locale() == "en" ? "2":"7" ?>0px;
					margin: 407px auto 0 auto;
				}
			</style>

			<?php if (!$loggedIn && !$isLocal) { ?>
			<script>
				var eventMethod = window.addEventListener ? "addEventListener" : "attachEvent";
				var eventer = window[eventMethod];
				var messageEvent = eventMethod == "attachEvent" ? "onmessage" : "message";

				// Listen to message from child window
				eventer(messageEvent,function(e) {
				    var key = e.message ? "message" : "data";
				    var data = e[key];
				    var response = JSON.parse(data);
				    if(response) {
					    if(response.payload) {
						    if(response.payload.session_id) {
							    location.href = location.href + "&quickconnect_session_id=" + response.payload.session_id;
						    }
					    }
				    }
				},false);
			</script>
			<?php } else { ?>
			<script>
				 if(window.opener) {
					if (typeof window.opener.checkconnection == 'function') {
						window.opener.checkconnection()
					}
					self.close();
				 }
			</script>
			<?php } ?>


			<div class="al-wrap">
				<div id="logo">
				</div>
				<div class="al-container">
					<div class="promo-box">
						<div class="al-button">
							<button <?php if ($loggedIn) { ?>style="width: 100%"<?php } ?> onclick="window.open('https://appful.io')" class="button-style secondary" id="more-infos"><?php echo $this->localize("more_infos") ?></button>
							<?php if (!$loggedIn) { ?><button onclick="window.open('https://appful.io/<?php echo $this->locale() ?>/start/?h=<?php echo urlencode($siteURL) ?>')" class="button-style" id="register"><?php echo $this->localize("register") ?></button><?php } ?>
						</div>
					</div>
					<div>
			            <div class="connect-box">
					        <form action="admin.php?page=appful" method="post">
						        <?php if ($isLocal) { echo $this->localize("no_local"); } else {
			wp_nonce_field('update-options');
			if (!$loggedIn) { ?>
								      <div class="form-title"><?php echo $this->localize("username") ?>:</div>
								      <input type="text" size="24" name="user" value="<?php echo get_option("appful_user") ?>" />
								      <div class="form-title"><?php echo $this->localize("password") ?>:</div>
								      <input type="password" size="24" name="password" />
								      <?php if (strlen($request["error"]) > 0) { ?><div class="errormessage"><?php echo $request["error"] ?></div><?php } ?>
									  <input type="submit" value="<?php echo $this->localize("connect") ?>" />
									  <?php if (!isset($_REQUEST["quickconnect_session_id"]) && !isset($_REQUEST["unlink"])) { ?><iframe id="quickconnect_frame" src="//api.appful.io/v2/plugin/quickconnect?id=<?php echo get_option("appful_quickconnect_id") ?>&siteurl=<?php echo urlencode($siteURL) ?>&connect=1" style="display: none;" height="1" width="1"></iframe><?php } ?>
									  <img src="https://api.appful.io/v2/plugin/quickconnect?id=<?php echo get_option("appful_quickconnect_id") ?>&siteurl=<?php echo urlencode($siteURL) ?>" style="display: none;" height="1" width="1" />
									  <?php } else { ?>
									  <img src="https://api.appful.io/v2/plugin/quickconnect?clear=1" style="display: none;" height="1" width="1" />
									  <p>
									  	<?php echo str_replace("USER", get_option("appful_user"), $this->localize("message_connected")) ?>
									  </p>
									  <p><?php echo $this->localize("message_cache_prefix") ?> <?php if (!$request["payload"]["cache"]["fill"]) {
					?><?php echo $this->localize("message_cache_ok") ?><?php } else {
					?> <?php echo $this->localize("message_cache_filling") ?>... (<?php echo round((int)$request["payload"]["cache"]["fill"]["cached"]/(int)$request["payload"]["cache"]["fill"]["total"]*100, 2) ?>%)<?php } ?>.</p>
										<input type="hidden" name="unlink" value="1" />
										<input type="submit" value="<?php echo $this->localize("disconnect") ?>" />
										<?php
			} }
?>
							</form>
						</div>
						<div class="advice-box">
							<a href="<?php echo admin_url("widgets.php") ?>">
						        <img src="<?php echo plugins_url("assets/img/widget-advice-". $this->locale() . ".jpg", dirname(__FILE__)) ?>" height="199">
						    </a>
						</div>
					</div>
				</div>
			</div>
		<?php
	}


	function register() {
		global $http_code;

		if (strlen(get_option($this->wpml->filterVar("appful_session_id"), "")) > 0 || strlen(get_option("appful_quickconnect_session_id")) > 0 || (!empty($_REQUEST['_wpnonce']) && wp_verify_nonce($_REQUEST['_wpnonce'], "update-options") && isset($_POST["user"]) && isset($_POST["password"]))) {
			$this->save_option("appful_register_last_refresh", time());

			$siteURL = $this->siteURL();

			$params = array("siteurl" => $siteURL);
			$shouldUnlink = isset($_POST["unlink"]) && !empty($_REQUEST['_wpnonce']) && wp_verify_nonce($_REQUEST['_wpnonce'], "update-options");
			if ($shouldUnlink) $params["unlink"] = 1;
			if (isset($_POST["user"])) $params = array_merge(array("username" => $_POST["user"], "password" => $_POST["password"]), $params);
			if ($this->wpml->installed()) {
				$params["multilanguage"] = true;
				$params["languages"] = $this->wpml->languages();
				if (!$this->wpml->is_default()) {
					$params["parent_id"] = get_option("appful_blog_id", "");
				}
			}

			if($this->hasZakiCommentLike()) {
				$params["comment_like"] = "zaki";
			}


			include_once ABSPATH . 'wp-admin/includes/plugin.php';
			if (get_option("disqus_active", 0) == 1 && get_option("disqus_forum_url", false) && is_plugin_active('disqus-comment-system/disqus.php')) {
				$params["disqus_forum_url"] = get_option("disqus_forum_url", false);
			}

			$dir = appful_api_dir();
			if (file_exists("$dir/appful.php")) {
				$php = file_get_contents("$dir/appful.php");
				if (preg_match('/^\s*Version:\s*(.+)$/m', $php, $matches)) {
					$version = $matches[1];
					$params["plugin_version"] = $version;
				}
			}

			if (strlen(get_option("appful_quickconnect_session_id")) > 0 && strlen(get_option($this->wpml->filterVar("appful_session_id"), "")) == 0) {
				$params["session_id"] = get_option("appful_quickconnect_session_id");
				$params["quickconnect"] = 1;
			}


			$response = $this->request("register", $params);
			if ($response["status"] == "ok") {
				if (strlen($response["payload"]["session_id"]) > 0) $this->save_option($this->wpml->filterVar("appful_session_id"), $response["payload"]["session_id"]);
				if (isset($response["payload"]["blog"])) $this->save_option($this->wpml->filterVar("appful_blog_id"), $response["payload"]["blog"]["id"]);
				if ($http_code == 201) $this->fill_cache();
				$this->save_option($this->wpml->filterVar("appful_blog_infos"), $this->response->encode_json($response["payload"]["blog"]));
				if ($response["payload"]["user"]) $this->save_option("appful_user", $response["payload"]["user"]);
				$this->save_option("appful_invalid_session", "");
				if (isset($response["payload"]["cache"]["fill_interval"])) $this->save_option("appful_cache_fill_interval", $response["payload"]["cache"]["fill_interval"]);
				if (isset($response["payload"]["cache"]["register_interval"])) $this->save_option("appful_cache_register_interval", $response["payload"]["cache"]["register_interval"]);
				$this->save_option("appful_widget_apps", $this->response->encode_json($response["payload"]["widget"]["apps"]));
				if (isset($response["payload"]["enabled_shortcodes"])) $this->save_option("appful_enabled_shortcodes", $this->response->encode_json($response["payload"]["enabled_shortcodes"]));
				else delete_option("appful_enabled_shortcodes");
				if (isset($response["payload"]["disabled_shortcodes"])) $this->save_option("appful_disabled_shortcodes", $this->response->encode_json($response["payload"]["disabled_shortcodes"]));
				else delete_option("appful_disabled_shortcodes");
				$this->save_option("appful_widget_branding", $this->response->encode_json($response["payload"]["widget"]["branding"]));
				if(isset($response["payload"]["smart_banner"])) $this->save_option("appful_smart_banner", $this->response->encode_json($response["payload"]["smart_banner"]));
				else delete_option("appful_smart_banner");
				if(isset($response["payload"]["overlay_banner"])) $this->save_option("appful_overlay_banner", $this->response->encode_json($response["payload"]["overlay_banner"]));
				else delete_option("appful_overlay_banner");
				$this->save_option("appful_server_count", $response["payload"]["server_count"] ? $response["payload"]["server_count"] : 2);
				if (isset($response["payload"]["push_default"])) $this->save_option("appful_push_default", $response["payload"]["push_default"] ? 1 : 0);
				if (isset($response["payload"]["cached_post_types"])) $this->save_option("appful_cached_post_types", $this->response->encode_json($response["payload"]["cached_post_types"]));
				else delete_option("appful_cached_post_types");
				if (isset($params["quickconnect"])) delete_option("appful_quickconnect_session_id");
				if (isset($response["payload"]["associated-file"])) $this->save_option("appful_universallinks_ios", $response["payload"]['associated-file']);
				else delete_option("appful_universallinks_ios");
				if (isset($response["payload"]["assetlinks.json"])) $this->save_option("appful_universallinks_android", $response["payload"]['assetlinks.json']);
				else delete_option("appful_universallinks_android");
				$this->save_option("appful_allow_commentflood", $response["payload"]["allow_commentflood"]);

				$this->flush_rewrite_rules();
			}

			if ($shouldUnlink) {
				delete_option($this->wpml->filterVar("appful_session_id"));
			}

			return $response;
		}
	}


	function get_method_url($controller, $method, $options = '') {
		$url = get_bloginfo('url');
		$base = "appful-api";
		$permalink_structure = get_option('permalink_structure', '');
		if (!empty($options) && is_array($options)) {
			$args = array();
			foreach ($options as $key => $value) {
				$args[] = urlencode($key) . '=' . urlencode($value);
			}
			$args = implode('&', $args);
		} else {
			$args = $options;
		}
		if ($controller != 'core') {
			$method = "$controller/$method";
		}
		if (!empty($base) && !empty($permalink_structure)) {
			if (!empty($args)) {
				$args = "?$args";
			}
			return "$url/$base/$method/$args";
		} else {
			return "$url?jsn=$method&$args";
		}
	}


	function save_option($id, $value) {
		$option_exists = (get_option($id, null) !== null);
		if (strlen($value) > 0) {
			if ($option_exists) {
				update_option($id, $value);
			} else {
				add_option($id, $value);
			}
		} else {
			delete_option($id);
		}
	}


	function get_controllers() {
		$controllers = array();
		$dir = appful_api_dir();
		$dh = opendir("$dir/controllers");
		while ($file = readdir($dh)) {
			if (preg_match('/(.+)\.php$/', $file, $matches)) {
				$controllers[] = $matches[1];
			}
		}
		$controllers = apply_filters('appful_api_controllers', $controllers);
		return array_map('strtolower', $controllers);
	}


	function controller_is_active($controller) {
		return true;
	}


	function update_controllers($controllers) {
		if (is_array($controllers)) {
			return implode(',', $controllers);
		} else {
			return $controllers;
		}
	}


	function controller_info($controller) {
		$path = $this->controller_path($controller);
		$class = $this->controller_class($controller);
		$response = array(
			'name' => $controller,
			'description' => '(No description available)',
			'methods' => array()
		);
		if (file_exists($path)) {
			$source = file_get_contents($path);
			if (preg_match('/^\s*Controller name:(.+)$/im', $source, $matches)) {
				$response['name'] = trim($matches[1]);
			}
			if (preg_match('/^\s*Controller description:(.+)$/im', $source, $matches)) {
				$response['description'] = trim($matches[1]);
			}
			if (preg_match('/^\s*Controller URI:(.+)$/im', $source, $matches)) {
				$response['docs'] = trim($matches[1]);
			}
			if (!class_exists($class)) {
				require_once $path;
			}
			$response['methods'] = get_class_methods($class);
			return $response;
		} else if (is_admin()) {
				return "Cannot find controller class '$class' (filtered path: $path).";
			} else {
			$this->error("Unknown controller '$controller'.");
		}
		return $response;
	}


	function controller_class($controller) {
		return "appful_api_{$controller}_controller";
	}


	function controller_path($controller) {
		$dir = appful_api_dir();
		$controller_class = $this->controller_class($controller);
		return apply_filters("{$controller_class}_path", "$dir/controllers/$controller.php");
	}


	function get_nonce_id($controller, $method) {
		$controller = strtolower($controller);
		$method = strtolower($method);
		return "appful_api-$controller-$method";
	}


	function flush_rewrite_rules() {
		global $wp_rewrite;
		$wp_rewrite->flush_rules();
	}


	function error($message = 'Unknown error', $status = 'error') {
		$this->response->respond(array(
				'error' => $message
			), $status);
	}


	function include_value($key) {
		return $this->response->is_value_included($key);
	}


	function getClientIP() {
		if (!empty($_SERVER['HTTP_CLIENT_IP'])) {
			$ip = $_SERVER['HTTP_CLIENT_IP'];
		} else {
			$ip = $_SERVER['REMOTE_ADDR'];
		}
		return $ip;
	}


	function generate($length) {
		$random= "";
		srand((double)microtime()*1000000);
		$char_list = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
		$char_list .= "abcdefghijklmnopqrstuvwxyz";
		$char_list .= "1234567890";
		// Add the special characters to $char_list if needed

		for ($i = 0; $i < $length; $i++) {
			$random .= substr($char_list, (rand()%(strlen($char_list))), 1);
		}
		return $random;
	}


	function regenerateThumbnails() {
		include_once( ABSPATH . 'wp-admin/includes/image.php' );

		global $wpdb;
		$images = $wpdb->get_results("SELECT ID FROM $wpdb->posts WHERE post_type = 'attachment' AND post_mime_type LIKE 'image/%' ORDER BY ID DESC");
		foreach($images as $entry) {
			$id = $entry->ID;
			$image = get_post( $id );

			if ( ! $image || 'attachment' != $image->post_type || 'image/' != substr( $image->post_mime_type, 0, 6 ) )
				continue;

			$fullsizepath = get_attached_file( $image->ID );

			if ( false === $fullsizepath || ! file_exists( $fullsizepath ) )
				continue;

			$metadata = wp_generate_attachment_metadata( $image->ID, $fullsizepath );

			if ( is_wp_error( $metadata ) )
				continue;
			if ( empty( $metadata ) )
				continue;

			wp_update_attachment_metadata( $image->ID, $metadata );
		}
	}


	function hasZakiCommentLike() {
		include_once(ABSPATH . 'wp-admin/includes/plugin.php');
		return is_plugin_active("zaki-like-dislike-comments/zaki-like-dislike-comments.php");
	}


	function onZakiCommentLike() {
		global $wpdb;
		$commentID = intval($_POST['postid']);
		$row = $wpdb->get_row("SELECT comment_post_ID FROM $wpdb->comments WHERE comment_ID = ". $commentID);
		if($row) {
			appful_on_post($row->comment_post_ID, false);
		}
	}

	function user_profile_update($user_id, $old_user_data) {
		$user = (array)get_userdata($user_id);
		$user = $user['data'];
		$old_user_data = (array)$old_user_data;
		$old_user_data = $old_user_data['data'];
		if($user->user_pass != $old_user_data->user_pass) { //invalidate session
			$this->request('invalidate', array('user' => $user));
		}
	}
}


?>