/**
* Check if we need to download a file and check validity
*/
public function download_api_product()
{
global $wpdb;
if (isset($_GET['download_api_product']) && isset($_GET['licence_key'])) {
$download_api_product = absint($_GET['download_api_product']);
$licence_key = sanitize_text_field($_GET['licence_key']);
$activation_email = sanitize_text_field($_GET['activation_email']);
$licence = wppl_get_licence_from_key($licence_key);
// Validation
if (!$licence) {
wp_die(__('Invalid or expired licence key.', 'wp-plugin-licencing'));
}
if (is_user_logged_in() && $licence->user_id && $licence->user_id != get_current_user_id()) {
wp_die(__('This licence does not appear to be yours.', 'wp-plugin-licencing'));
}
if (!is_email($activation_email) || $activation_email != $licence->activation_email) {
wp_die(__('Invalid activation email address.', 'wp-plugin-licencing'));
}
if (!in_array($download_api_product, wppl_get_licence_api_product_permissions($licence->product_id))) {
wp_die(__('This licence does not allow access to the requested product.', 'wp-plugin-licencing'));
}
// Get the download URL
$file_path = wppl_get_package_file_path($download_api_product);
// Log this download
$wpdb->insert($wpdb->prefix . 'wp_plugin_licencing_download_log', array('licence_key' => $licence_key, 'activation_email' => $activation_email, 'api_product_id' => $download_api_product, 'date_downloaded' => current_time('mysql'), 'user_ip_address' => sanitize_text_field(isset($_SERVER['HTTP_X_FORWARDED_FOR']) ? $_SERVER['HTTP_X_FORWARDED_FOR'] : $_SERVER['REMOTE_ADDR'])));
// Download it!
$this->download($file_path);
}
}
/**
* Activate a licence key
*/
public function activate()
{
global $wpdb;
$this->check_required(array('email', 'licence_key', 'api_product_id', 'instance'));
$licence = wppl_get_licence_from_key($this->request['licence_key']);
$api_product_post_id = wppl_get_api_product_post_id($this->request['api_product_id']);
if (!$licence) {
$this->trigger_error('101', __('Activation error: The provided licence is invalid or has expired.', 'wp-plugin-licencing'));
}
if (!$api_product_post_id) {
$this->trigger_error('102', __('Activation error: Invalid API Product ID.', 'wp-plugin-licencing'));
}
if (!is_email($this->request['email']) || strtolower($this->request['email']) != strtolower($licence->activation_email)) {
$this->trigger_error('103', sprintf(__('Activation error: The email provided (%s) is invalid.', 'wp-plugin-licencing'), $this->request['email']));
}
if (!in_array($api_product_post_id, wppl_get_licence_api_product_permissions($licence->product_id))) {
$this->trigger_error('104', __('Activation error: Licence is not for this product.', 'wp-plugin-licencing'));
}
$active_instances = wppl_get_licence_activations($this->request['licence_key'], $this->request['api_product_id'], 1);
// Check if activation limit is reached
if ($licence->activation_limit && sizeof($active_instances) >= $licence->activation_limit) {
// lets allow reactvation for guests, but registered users need to de-activate first
if (!$licence->user_id) {
foreach ($active_instances as $activation) {
if ($activation->instance == $this->request['instance']) {
// Reactivate the key
$activation_result = $wpdb->update("{$wpdb->prefix}wp_plugin_licencing_activations", array('activation_active' => 1, 'activation_date' => current_time('mysql')), array('instance' => $this->request['instance'], 'api_product_id' => $this->request['api_product_id'], 'licence_key' => $this->request['licence_key']));
if (!$activation_result) {
$this->trigger_error('106', __('Activation error: Could not reactivate licence key.', 'wp-plugin-licencing'));
} else {
$response = array('activated' => true);
$activations_remaining = absint($licence->activation_limit - sizeof($active_instances));
$response['remaining'] = sprintf(__('%s out of %s activations remaining', 'wp-plugin-licencing'), $activations_remaining, $licence->activation_limit);
$this->send_response($response);
}
}
}
}
$this->trigger_error('105', __('Activation error: Licence key activation limit reached. Deactivate an install first.', 'wp-plugin-licencing'));
}
$instance_exists = false;
$instances = wppl_get_licence_activations($this->request['licence_key'], $this->request['api_product_id']);
// Check for reactivation
if ($instances) {
foreach ($instances as $activation) {
if ($activation->instance == $this->request['instance']) {
$instance_exists = true;
}
}
}
if ($instance_exists) {
$activation_result = $wpdb->update("{$wpdb->prefix}wp_plugin_licencing_activations", array('activation_active' => 1, 'activation_date' => current_time('mysql')), array('instance' => $this->request['instance'], 'api_product_id' => $this->request['api_product_id'], 'licence_key' => $this->request['licence_key']));
} else {
$activation_result = $wpdb->insert("{$wpdb->prefix}wp_plugin_licencing_activations", array('activation_active' => 1, 'activation_date' => current_time('mysql'), 'instance' => $this->request['instance'], 'api_product_id' => $this->request['api_product_id'], 'licence_key' => $this->request['licence_key']));
}
if (!$activation_result) {
$this->trigger_error('107', __('Activation error: Could not activate licence key.', 'wp-plugin-licencing'));
}
$activations = wppl_get_licence_activations($this->request['licence_key'], $this->request['api_product_id']);
$response = array('activated' => true);
if ($licence->activation_limit) {
$activations_remaining = absint($licence->activation_limit - sizeof($activations));
$response['remaining'] = sprintf(__('%s out of %s activations remaining', 'wp-plugin-licencing'), $activations_remaining, $licence->activation_limit);
}
$this->send_response($response);
}
<?php
/**
* New licence email
*/
if (!defined('ABSPATH')) {
exit;
}
// Exit if accessed directly
if ($user_first_name) {
echo sprintf(__("Hello %s,", 'wp-plugin-licencing'), $user_first_name) . "\n\n";
} else {
echo __("Hi there,", 'wp-plugin-licencing') . "\n\n";
}
_e("A licence key has just been generated for you. The details are as follows:", 'wp-plugin-licencing');
echo "\n";
if ($api_product_permissions = wppl_get_licence_api_product_permissions($key->product_id)) {
foreach ($api_product_permissions as $api_product_permission) {
echo "\n====================\n";
echo esc_html(get_the_title($api_product_permission)) . ': ' . wppl_get_package_download_url($api_product_permission, $key->licence_key, $key->activation_email) . "\n";
echo $key->licence_key . "";
echo "\n====================\n\n";
}
}
_e("You can input this licence on the plugins page within your WordPress dashboard.", 'wp-plugin-licencing');
echo "\n";
echo "\n";
// Footer
echo '--' . "\n";
echo apply_filters('woocommerce_email_footer_text', get_option('woocommerce_email_footer_text'));
/**
* Check access to plugin update API
*/
public function check_access()
{
// Check data
if (empty($this->request['licence_key'])) {
$this->trigger_error('no_key', 'no_key');
}
if (empty($this->request['email']) || empty($this->request['api_product_id']) || empty($this->request['instance']) || empty($this->request['version']) || empty($this->request['plugin_name'])) {
$this->trigger_error('invalid_request', 'invalid_request');
}
// Check licence
$licence = wppl_get_licence_from_key($this->request['licence_key']);
$api_product_post_id = wppl_get_api_product_post_id($this->request['api_product_id']);
if (!$api_product_post_id) {
$this->trigger_error('invalid_request', 'invalid_request');
}
if (!$licence || !is_email($this->request['email']) || strtolower($this->request['email']) != strtolower($licence->activation_email) || !in_array($api_product_post_id, wppl_get_licence_api_product_permissions($licence->product_id))) {
$this->trigger_error('invalid_key', sprintf(__('The licence for <code>%s</code> is invalid or has expired. To continue to receive support and updates you must obtain an updated licence key. If you have an account, expired keys can be renewed via your <a href="%s" target="_blank">account dashboard</a>.', 'wp-plugin-licencing'), $this->request['api_product_id'], get_permalink(wc_get_page_id('myaccount'))));
}
if (!wppl_is_licence_activated($this->request['licence_key'], $this->request['api_product_id'], $this->request['instance'])) {
$this->trigger_error('no_activation', sprintf(__('The licence is no longer activated on this site. Reactivate the licence to receive updates for <code>%s</code>.', 'wp-plugin-licencing'), $this->request['api_product_id']));
}
}
