/**
* Calls the API and, if successfull, returns the object delivered by the API.
*
* @uses get_bloginfo()
* @uses wp_remote_post()
* @uses is_wp_error()
*
* @return false||object
*/
private function call_remote_api()
{
// only check if the failed transient is not set (or if it's expired)
if (get_site_transient($this->product->get_prefix() . 'update-request-failed') !== false) {
return false;
}
global $wp_version;
// set a transient to prevent failed update checks on every page load
// this transient will be removed if a request succeeds
set_site_transient($this->product->get_prefix() . 'update-request-failed', 'failed', 10800);
// setup api parameters
$api_params = array('edd_action' => 'get_version', 'license' => $this->license_manager->get_license_key(), 'item_version' => $this->product->get_version(), 'url' => get_option('home'));
$url = add_query_arg($api_params, $this->product->get_api_url());
require_once dirname(__FILE__) . '/class-api-request.php';
$request = new DVK_API_Request($url);
if ($request->is_valid() !== true) {
// show error message
$this->error_message = $request->get_error_message();
add_action('admin_notices', array($this, 'show_update_error'));
return false;
}
// request succeeded, delete transient indicating a request failed
delete_site_transient($this->product->get_prefix() . 'update-request-failed');
// decode response
$response = $request->get_response();
// check if response returned that a given site was inactive
if (isset($response->license_check) && !empty($response->license_check) && (string) $response->license_check !== 'valid') {
// deactivate local license
$this->license_manager->set_license_status('invalid');
// show notice to let the user know we deactivated his/her license
$this->error_message = __('This site has not been activated properly on mc4wp.com and thus cannot check for future updates. Please activate your site with a valid license key.', $this->product->get_text_domain());
add_action('admin_notices', array($this, 'show_update_error'));
return false;
}
// add slug so we can omit it in the request
$response->slug = dirname($this->product->get_slug());
$response->sections = maybe_unserialize($response->sections);
$response->plugin = $this->product->get_slug();
// store response
set_site_transient($this->product->get_prefix() . 'update-response', $response, 10800);
return $response;
}
/**
* Constructor
*
* @param DVK_Product $product
*/
public function __construct(DVK_Product $product)
{
parent::__construct($product);
// Check if plugin is network activated. We should use site(wide) options in that case.
if (is_admin() && is_multisite()) {
if (!function_exists('is_plugin_active_for_network')) {
require_once ABSPATH . '/wp-admin/includes/plugin.php';
}
$this->is_network_activated = is_plugin_active_for_network($product->plugin_basename);
}
}
/**
* Show a form where users can enter their license key
* Takes Multisites into account
*
* @param bool $embedded
* @return null
*/
public function show_license_form($embedded = true)
{
// For non-multisites, always show the license form
if (!is_multisite()) {
parent::show_license_form($embedded);
return;
}
// Plugin is network activated
if ($this->is_network_activated && !is_super_admin()) {
// We're on the network admin
parent::show_license_form_heading();
echo '<p>' . sprintf(__('%s is network activated. Please contact your site administrator to manage the license.', $this->product->get_text_domain()), $this->product->get_item_name()) . '</p>';
} else {
parent::show_license_form($embedded);
}
}
/**
* Calls the API and, if successfull, returns the object delivered by the API.
*
* @uses get_bloginfo()
* @uses wp_remote_post()
* @uses is_wp_error()
*
* @return false||object
*/
private function call_remote_api()
{
// only check if the failed transient is not set (or if it's expired)
if (get_site_transient($this->product->prefix . 'update-request-failed') !== false) {
return false;
}
// set a transient to prevent failed update checks on every page load
// this transient will be removed if a request succeeds
set_site_transient($this->product->prefix . 'update-request-failed', 'failed', 10800);
// setup api parameters
$api_params = array('edd_action' => 'get_version', 'license' => $this->license_manager->get_license_key(), 'item_version' => $this->product->version, 'url' => $this->license_manager->is_network_activated ? network_site_url() : get_option('home'));
$url = add_query_arg($api_params, $this->product->api_url);
require_once dirname(__FILE__) . '/class-api-request.php';
$request = new DVK_API_Request($url);
if ($request->is_valid() !== true) {
$this->schedule_error($request->get_error_message());
return false;
}
// request succeeded, delete transient indicating a request failed
delete_site_transient($this->product->prefix . 'update-request-failed');
// decode response
$response = $request->get_response();
// check if response returned that a given site was inactive
if (isset($response->license_check) && !empty($response->license_check) && (string) $response->license_check !== 'valid') {
// deactivate local license
$this->license_manager->set_license_status('invalid');
// show notice to let the user know we deactivated his/her license
$message = __('This site has not been activated properly on mc4wp.com and so cannot check for updates. Please activate your site with a valid license key.', $this->product->text_domain);
$this->schedule_error($message);
return false;
}
// update license expiration for renewed license
// todo: take lifetime licenses into account (we're not using that yet, but for future ref)
if (!empty($response->license_expiration)) {
$this->license_manager->set_license_expiry_date($response->license_expiration);
}
// add slug so we can omit it in the request
$response->slug = $this->product->slug;
$response->sections = maybe_unserialize($response->sections);
$response->banners = (array) $response->banners;
$response->plugin = $this->product->plugin_basename;
// store response
set_site_transient($this->product->prefix . 'update-response', $response, 10800);
return $response;
}
