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<?php |
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|
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namespace Boxzilla\Licensing; |
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|
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if (! defined('ABSPATH')) { |
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exit; |
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} |
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|
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class LicenseManager |
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{ |
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/** |
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* @var array |
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*/ |
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protected $extensions = []; |
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|
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/** |
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* @var License |
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*/ |
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protected $license; |
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|
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/** |
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* @var API |
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*/ |
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protected $api; |
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|
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/** |
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* @var array |
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*/ |
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protected $notices = []; |
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|
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/** |
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* @param array $extensions |
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* @param API $api |
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* @param License $license |
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*/ |
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public function __construct(array $extensions, API $api, License $license) |
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{ |
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$this->extensions = $extensions; |
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$this->license = $license; |
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$this->api = $api; |
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} |
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|
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/** |
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* @param mixed $object |
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* @param string $property |
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* @param string $default |
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* |
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* @return string |
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*/ |
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protected function get_object_property($object, $property, $default = '') |
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{ |
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return isset($object->$property) ? $object->$property : $default; |
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} |
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|
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/** |
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* @return void |
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*/ |
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public function init() |
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{ |
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// do nothing if no extensions are registered at this point |
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if (empty($this->extensions)) { |
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return; |
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} |
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|
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// hooks |
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add_action('boxzilla_after_settings', [ $this, 'show_license_form' ]); |
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add_action('admin_notices', [ $this, 'show_notice' ], 1); |
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|
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// listen for activation / deactivation requests |
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$this->listen(); |
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} |
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|
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/** |
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* Maybe show notice to activate license. |
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*/ |
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public function show_notice() |
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{ |
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global $current_screen; |
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|
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if ($this->license->activated) { |
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return; |
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} |
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|
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if ($this->get_object_property($current_screen, 'post_type') !== 'boxzilla-box') { |
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return; |
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} |
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|
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$plugin = $this->extensions[ array_rand($this->extensions) ]; |
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$settings_url = esc_url(admin_url('edit.php?post_type=boxzilla-box&page=boxzilla-settings')); |
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$plugin_name = esc_html($plugin->name()); |
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$message = sprintf('Please <a href="%1$s">activate your Boxzilla license</a> to use <strong>%2$s</strong>.', $settings_url, $plugin_name); |
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echo '<div class="notice notice-warning"><p>' . wp_kses_post($message) . '</p></div>'; |
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} |
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|
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/** |
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* @return void |
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*/ |
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protected function listen() |
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{ |
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|
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// do nothing if not authenticated |
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if (! current_user_can('manage_options')) { |
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return; |
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} |
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|
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// nothing to do |
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if (! isset($_POST['boxzilla_license_form'])) { |
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return; |
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} |
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|
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$nonce = isset($_POST['boxzilla_license_nonce']) ? sanitize_text_field(wp_unslash($_POST['boxzilla_license_nonce'])) : ''; |
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if (! wp_verify_nonce($nonce, 'boxzilla_license_form_action')) { |
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$this->notices[] = [ |
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'type' => 'warning', |
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'message' => esc_html__('Security check failed. Please refresh the page and try again.', 'boxzilla'), |
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]; |
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return; |
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} |
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|
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$action = isset($_POST['action']) ? sanitize_text_field(wp_unslash($_POST['action'])) : 'activate'; |
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$key_changed = false; |
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|
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// did key change or was "activate" button pressed? |
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$new_license_key = isset($_POST['boxzilla_license_key']) ? sanitize_text_field(wp_unslash($_POST['boxzilla_license_key'])) : ''; |
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if ($new_license_key !== $this->license->key) { |
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$this->license->key = $new_license_key; |
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$key_changed = true; |
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} |
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|
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// run actions |
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if ($action === 'deactivate') { |
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$this->deactivate_license(); |
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} elseif ($action === 'activate' || $key_changed) { |
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$this->activate_license(); |
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} |
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|
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$this->license->save(); |
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} |
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|
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/** |
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* Deactivate the license |
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*/ |
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protected function deactivate_license() |
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{ |
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try { |
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$this->api->deactivate_license(); |
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$this->notices[] = [ |
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'type' => 'info', |
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'message' => 'Your license was successfully deactivated!', |
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]; |
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} catch (API_Exception $e) { |
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$this->notices[] = [ |
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'type' => 'warning', |
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'message' => $e->getMessage(), |
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]; |
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} |
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|
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$this->license->activated = false; |
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$this->license->activation_key = ''; |
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} |
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|
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/** |
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* Activate the license |
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*/ |
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protected function activate_license() |
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{ |
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try { |
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$activation = $this->api->activate_license(); |
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} catch (API_Exception $e) { |
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$message = $e->getMessage(); |
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|
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switch ($e->getApiCode()) { |
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case 'license_at_limit': |
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$message .= ' You can <a href="https://my.boxzillaplugin.com/licenses">manage your site activations here</a>.'; |
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break; |
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|
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case 'license_expired': |
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$message .= ' Please <a href="https://my.boxzillaplugin.com/licenses">renew your license here</a>.'; |
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break; |
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} |
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|
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$this->notices[] = [ |
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'type' => 'warning', |
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'message' => $message, |
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]; |
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return; |
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} |
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|
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$this->license->activation_key = $activation->token; |
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$this->license->activated = true; |
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|
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$this->notices[] = [ |
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'type' => 'info', |
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'message' => 'Your license was successfully activated!', |
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]; |
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} |
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|
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/** |
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* Shows the license form |
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*/ |
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public function show_license_form() |
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{ |
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$license = $this->license; |
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$extensions = $this->extensions; |
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$notices = $this->notices; |
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require __DIR__ . '/views/license-form.php'; |
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} |
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} |
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|
