/**
* 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()
{
$addon = isset($_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']) : '';
$nonce = isset($_POST['nonce']) ? esc_attr($_POST['nonce']) : '';
// Verify that there are valid variables to process.
if (false === $addon || !in_array($action, array('activate_license', 'deactivate_license'))) {
wp_send_json_error(__('Add-on unspecified or invalid action.', 'google-calendar-events'));
}
// Verify this request comes from the add-ons licenses activation settings page.
if (!wp_verify_nonce($nonce, 'simcal_license_manager')) {
wp_send_json_error(sprintf(__('An error occurred: %s', 'google-calendar-events'), 'Nonce verification failed.'));
}
// Removes the prefix and converts simcal_{id_no} to {id_no}.
$id = intval(substr($addon, 7));
// Data to send in API request.
$api_request = array('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'), array('timeout' => 15, 'sslverify' => false, 'body' => $api_request));
// Update license in db.
$keys = get_option('simple-calendar_settings_licenses', array());
$new_keys = array_merge((array) $keys, array('keys' => array($addon => $key)));
update_option('simple-calendar_settings_licenses', $new_keys);
// Make sure there is a response.
if (is_wp_error($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 ('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, array('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('');
}
}
/**
* Outputs the field markup.
*
* @since 3.0.0
*/
public function html()
{
if (!empty($this->addon)) {
$status = simcal_get_license_status($this->addon);
if (empty($status) || in_array($status, array('valid', 'invalid', 'deactivated'))) {
$display_activate = 'display: inline-block';
$display_deactivate = 'display: none';
$active = 'valid' == $status ? 'display: block' : 'display: none';
$disabled = '';
} else {
$display_activate = $active = 'display: none';
$display_deactivate = 'display: inline-block';
$disabled = empty($this->value) ? '' : 'disabled="disabled"';
}
?>
<div class="simcal-addon-manage-license-field" data-addon="<?php
echo $this->addon;
?>
">
<input type="text" <?php
echo $disabled;
?>
name="<?php
echo $this->name;
?>
"
id="<?php
echo $this->id;
?>
"
value="<?php
echo $this->value;
?>
"
class="<?php
echo $this->class;
?>
" />
<span class="simcal-addon-manage-license-buttons">
<button class="button-secondary simcal-addon-manage-license deactivate" data-add-on="<?php
echo $this->addon;
?>
" style="<?php
echo $display_deactivate;
?>
">
<i class="simcal-icon-spinner simcal-icon-spin" style="display: none;"></i><?php
_e('Deactivate', 'google-calendar-events');
?>
</button>
<button class="button-secondary simcal-addon-manage-license activate" data-add-on="<?php
echo $this->addon;
?>
" style="<?php
echo $display_activate;
?>
">
<i class="simcal-icon-spinner simcal-icon-spin" style="display: none;"></i><?php
_e('Activate', 'google-calendar-events');
?>
</button>
<span class="error" style="color: red; display: none"> </span>
<strong class="label" style="color:green; <?php
echo $active;
?>
"> <?php
_e('(active)', 'google-calendar-events');
?>
</strong>
</span>
</div>
<?php
}
}
