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<?php
/**
* Admin Ajax
*
* @package SimpleCalendar\Admin
*/
namespace SimpleCalendar\Admin;
if (!defined('ABSPATH')) {
exit();
}
/**
* Admin ajax.
*
* @since 3.0.0
*/
class Ajax
{
/**
* Set up ajax hooks.
*
* @since 3.0.0
*/
public function __construct()
{
// Set an option if the user rated the plugin.
add_action('wp_ajax_simcal_rated', [$this, 'rate_plugin']);
// Set an option if the user rated the plugin.
add_action('wp_ajax_simcal_clear_cache', [$this, 'clear_cache']);
// Convert a datetime format.
add_action('wp_ajax_simcal_date_i18n_input_preview', [$this, 'date_i18n']);
// Manage an add-on license activation or deactivation.
add_action('wp_ajax_simcal_manage_add_on_license', [$this, 'manage_add_on_license']);
// Reset add-ons licenses.
add_action('wp_ajax_simcal_reset_add_ons_licenses', [$this, 'reset_licenses']);
}
/**
* Clear transients.
*
* @since 3.0.0
*/
public function clear_cache()
{
$nonce = isset($_POST['nonce']) ? esc_attr($_POST['nonce']) : '';
if (!wp_verify_nonce($nonce, 'simcal') && !current_user_can('edit_posts')) {
return;
}
$id = isset($_POST['id'])
? (is_array($_POST['id'])
? array_map('intval', $_POST['id'])
: intval($_POST['id']))
: '';
if (!empty($id)) {
simcal_delete_feed_transients($id);
}
}
/**
* Ajax callback when a user clicks on the rate plugin link.
*
* @since 3.0.0
*/
public function rate_plugin()
{
// Verify this request comes from the add-ons licenses activation settings page.
$nonce = isset($_POST['nonce']) ? esc_attr($_POST['nonce']) : '';
if (!wp_verify_nonce($nonce, 'simcal_rating_nonce')) {
wp_send_json_error(sprintf(__('An error occurred: %s', 'google-calendar-events'), 'Nonce verification failed.'));
}
update_option('simple-calendar_admin_footer_text_rated', date('Y-m-d', time()));
}
/**
* Ajax callback to return a formatted datetime string.
*
* @since 3.0.0
*/
public function date_i18n()
{
$value = isset($_POST['value']) ? esc_attr($_POST['value']) : ' ';
$timestamp = isset($_POST['timestamp']) ? absint($_POST['timestamp']) : time();
wp_send_json_success(date_i18n($value, $timestamp));
}
/**
* Activate add-on license.
*
* This code is run only when an add-on requiring a license is installed and active.
*
* @since 3.0.0
*/
public function manage_add_on_license()
{
// Verify this request comes from the add-ons licenses activation settings page.
$nonce = isset($_POST['nonce']) ? esc_attr($_POST['nonce']) : '';
if (!wp_verify_nonce($nonce, 'simcal_license_manager')) {
wp_send_json_error(sprintf(__('An error occurred: %s', 'google-calendar-events'), 'Nonce verification failed.'));
}
// Check for user capabilities.
if (!current_user_can('edit_posts')) {
wp_send_json_error(
sprintf(__('An error occurred: %s', 'google-calendar-events'), 'You don\'t have permission to make changes.')
);
}
$addon = isset($_POST['add_on']) ? sanitize_key($_POST['add_on']) : false;
$action = isset($_POST['license_action']) ? esc_attr($_POST['license_action']) : false;
$key = isset($_POST['license_key']) ? esc_attr($_POST['license_key']) : '';
// Verify that there are valid variables to process.
if (false === $addon || !in_array($action, ['activate_license', 'deactivate_license'])) {
wp_send_json_error(__('Add-on unspecified or invalid action.', 'google-calendar-events'));
}
// Removes the prefix and converts simcal_{id_no} to {id_no}.
$id = intval(substr($addon, 7));
// Data to send in API request.
$api_request = [
'edd_action' => $action,
'license' => $key,
'item_id' => urlencode($id),
'url' => home_url(),
];
// Call the custom API.
$response = wp_remote_post(
defined('SIMPLE_CALENDAR_STORE_URL') ? SIMPLE_CALENDAR_STORE_URL : simcal_get_url('home'),
[
'timeout' => 15,
'sslverify' => false,
'body' => $api_request,
]
);
// Update license in db.
$keys = get_option('simple-calendar_settings_licenses', []);
$keys['keys'][$addon] = $key;
update_option('simple-calendar_settings_licenses', $keys);
// Make sure there is a response.
if (is_wp_error($response)) {
wp_send_json_error(
sprintf(
__('There was an error processing your request: %s', 'google-calendar-events'),
$response->get_error_message()
)
);
}
// Decode the license data and save.
$license_data = json_decode(wp_remote_retrieve_body($response));
$status = simcal_get_license_status();
if (!empty($license_data)) {
if ('deactivated' == $license_data->license) {
unset($status[$addon]);
update_option('simple-calendar_licenses_status', $status);
wp_send_json_success($license_data->license);
} elseif (in_array($license_data->license, ['valid', 'invalid'])) {
$status[$addon] = $license_data->license;
update_option('simple-calendar_licenses_status', $status);
$message =
'valid' == $license_data->license ? 'valid' : __('License key is invalid.', 'google-calendar-events');
wp_send_json_success($message);
} else {
wp_send_json_error('');
}
} else {
wp_send_json_error(__('An error has occurred, please try again.', 'google-calendar-events'));
}
}
/**
* Reset licenses.
*
* @since 3.0.0
*/
public function reset_licenses()
{
$nonce = isset($_POST['nonce']) ? esc_attr($_POST['nonce']) : '';
// Verify this request comes from the add-ons licenses activation settings page.
if (empty($nonce) || !wp_verify_nonce($nonce, 'simcal_license_manager')) {
wp_send_json_error(sprintf(__('An error occurred: %s', 'google-calendar-events'), 'Nonce verification failed.'));
}
// Check for user capabilities.
if (!current_user_can('edit_posts')) {
wp_send_json_error(
sprintf(__('An error occurred: %s', 'google-calendar-events'), 'You don\'t have permission to make changes.')
);
}
delete_option('simple-calendar_settings_licenses');
delete_option('simple-calendar_licenses_status');
wp_send_json_success('success');
}
}