<?php
/**
 * Theme License Activation and De-activation
 *
 * @package Total WordPress theme
 * @subpackage Framework
 * @version 4.9.3
 */

namespace TotalTheme;

if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

class License {

	/**
	 * Start things up
	 *
	 * @since 4.5
	 */
	public function __construct() {
		if ( false === get_transient( 'wpex_verify_active_license' ) ) {
			add_action( 'admin_init', array( $this, 'verify_license' ) );
		}
		if ( apply_filters( 'wpex_show_license_panel', true ) ) {
			add_action( 'admin_menu', array( $this, 'add_theme_license_page' ) );
			add_action( 'wp_ajax_wpex_theme_license_form', array( $this, 'license_form_ajax' ) );
		}
	}

	/**
	 * Verify license every
	 *
	 * @since 4.5.4
	 */
	public function verify_license() {
		wpex_verify_active_license();
		set_transient( 'wpex_verify_active_license', 1, WEEK_IN_SECONDS );
	}

	/**
	 * Return sanitized current site URL
	 *
	 * @since 4.5
	 */
	public function get_site_url() {
		return rawurlencode( trim( site_url() ) );
	}

	/**
	 * Add sub menu page
	 *
	 * @since 4.5
	 */
	public function add_theme_license_page() {
		add_submenu_page(
			WPEX_THEME_PANEL_SLUG,
			esc_html__( 'Theme License', 'total' ),
			esc_html__( 'Theme License', 'total' ),
			'administrator',
			WPEX_THEME_PANEL_SLUG . '-theme-license',
			array( $this, 'theme_license_page' )
		);
	}

	/**
	 * Settings page output
	 *
	 * @since 4.5
	 */
	public function theme_license_page() {

		if ( isset( $_GET['troubleshoot'] ) ) {

			echo '<h1>License API Troubleshooting</h1>';

			if ( ! function_exists( 'wp_remote_retrieve_response_code' ) ) {
				echo 'Looks like the wp_remote_retrieve_response_code function doesnt exist, make sure you update WordPress';
				return;
			}

			$remote_response = wp_remote_get( 'https://wpexplorer-themes.com/activate-license/?troubleshoot=1' );

			$response_code = intval( wp_remote_retrieve_response_code( $remote_response ) );

			echo '<ul>';

				if ( 200 == $response_code ) {

					echo '<li><strong class="wpex-green-span">' . json_decode( wp_remote_retrieve_body( $remote_response ) ) . '</strong></li>';

				} elseif ( 301 == $response_code ) {

					echo '<li><strong>301 Error</strong>: Cloudflare Firewall blocking access.</li>';

				} elseif ( 403 == $response_code ) {

					echo '<li><strong>Forbidden</strong>: Your server has been blocked by our firewall for security reasons.</li>';

				} elseif ( 404 == $response_code ) {

					echo '<li><strong>404 Error</strong>: Please contact the theme developer for assistance.</li>';

				} else {

					if ( isset( $remote_response->errors ) && is_array( $remote_response->errors ) ) {

						foreach ( $remote_response->errors as $k => $v ) {

							if ( empty( $v[0] ) ) {
								continue;
							}

							echo '<li><strong>' . $k . '</strong>: ' . $v[0] . '</li>';

						}

					}

				}

			echo '</ul>';

			return;
		}

		$license = wpex_get_theme_license();

		$license = wpex_verify_active_license( $license ) ? $license : null;

		$is_dev = get_option( 'active_theme_license_dev' );

		$license_cleared = ! empty( $_GET[ 'license-cleared' ] ) ? true : false; ?>

		<div id="wpex-admin-page" class="wrap wpex-theme-license-page">

			<h1><?php esc_html_e( 'Theme License', 'total' ); ?></h1>

			<?php if ( $license || $license_cleared ) {

				$notice_type = 'updated';
				if ( $is_dev || $license_cleared ) {
					$notice_type = 'notice-warning';
				} ?>

				<div class="wpex-admin-ajax-notice notice <?php echo esc_attr( $notice_type ); ?>">
					<?php if ( $license_cleared ) { ?>
						<p><?php echo wp_kses_post( __( 'The current URL did not match the URL of the registered license. Your license has been removed from this site but remains active on the original URL. You can now enter a new license for this site.', 'total' ) ); ?>
					<?php } elseif ( $is_dev ) { ?>
						<p><?php esc_html_e( 'Your site is currently active as a development environment.', 'total' ); ?></p>
					<?php } else { ?>
						<p><?php esc_html_e( 'Congratulations. Your theme license is active.', 'total' ); ?></p>
					<?php } ?>
				</div>

			<?php } else { ?>

				<div class="wpex-admin-ajax-notice notice"></div>

			<?php } ?>

			<div class="wpex-theme-license-box wpex-boxed-shadow">

				<h2><?php esc_html_e( 'Verify your License', 'total' ); ?></h2>

				<p class="wpex-top-note"><?php echo wp_kses_post( __( 'Enter your purchase code below and click the activate button or hit enter. You can learn how to find your purchase code <a target="_blank" href="https://www.wpexplorer-themes.com/envato-purchase-code/">here</a>.', 'total' ) ); ?></p>

				<form method="post" id="wpex-theme-license-form">

					<?php if ( $license ) { ?>

						<input type="text" id="wpex_license" name="license" placeholder="<?php echo esc_attr( $license ); ?>" value="<?php echo esc_attr( $license ); ?>" readonly="readonly" autocomplete="off" onclick="select()" />

					<?php } else { ?>

						<input type="text" id="wpex_license" name="license" placeholder="<?php esc_html_e( 'Enter your purchase code here.', 'total' ); ?>" autocomplete="off" />

					<?php } ?>

					<?php if ( ! $license ) { ?>
						<p class="wpex-license-checkfield"><input type="checkbox" id="wpex_dev_license" name="devlicense" /> <label for="wpex_dev_license" class="description"><?php echo wp_kses_post( __( 'Check this box if this is your development environment (not the final or live website)', 'total' ) ); ?></label></p>
					<?php } ?>

					<?php wp_nonce_field( 'wpex_theme_license_form_nonce', 'wpex_theme_license_form_nonce' ); ?>

					<p class="submit">

						<?php
						$submit_classes = 'primary button-hero ';
						$submit_classes .= $license ? 'deactivate' : 'activate';
						$activate_txt   = esc_html__( 'Activate your license', 'total' );
						$deactivate_txt = esc_html__( 'Deactivate your license', 'total' );
						submit_button(
							$license ? $deactivate_txt : $activate_txt,
							$submit_classes,
							'submit',
							false,
							array(
								'data-activate'   => $activate_txt,
								'data-deactivate' => $deactivate_txt,
							)
						); ?>

						<img src="<?php echo esc_url( includes_url( 'images/spinner.gif' ) ); ?>" class="wpex-spinner" width="20" height="20" alt="<?php esc_html_e( 'Loading&hellip;', 'total' ); ?>" />

					</p>

				</form>

				<p class="description"><?php echo wp_kses_post( __( 'A purchase code (license) is only valid for a <strong>Single Domain</strong>. Are you already using this theme on another domain? Purchase <a target="_blank" href="https://themeforest.net/item/total-responsive-multipurpose-wordpress-theme/6339019?ref=WPExplorer&license=regular&open_purchase_for_item_id=6339019">new license here</a> to get your new purchase code. If you are running a multi-site network you only need to activate your license on the main site.', 'total' ) ); ?></p>

			</div><!-- .wpex-theme-license-box -->

			<div class="wpex-license-troubleshoot">
				<a href="https://wpexplorer-themes.com/support/" target="_blank"><?php esc_html_e( 'Manage Licenses', 'total' ); ?></a> | <a href="<?php echo esc_url( admin_url( 'admin.php?page=wpex-panel-theme-license&troubleshoot=1' ) ); ?>"><?php esc_html_e( 'Troubleshoot', 'total' ); ?></a>
			</div>

		</div><!-- .wrap -->

	<?php }

	/**
	 * Activate License
	 *
	 * @since 4.5
	 */
	public function activate_license( $license, $dev, $response ) {
		$args = array(
			'market'     => 'envato',
			'product_id' => '6339019',
			'license'    => $license,
			'url'        => $this->get_site_url(),
		);
		if ( $dev ) {
			$args['dev'] = '1';
		}
		$remote_url = add_query_arg( $args, 'https://wpexplorer-themes.com/activate-license/' );
		$remote_response = wp_remote_get( $remote_url );
		if ( is_wp_error( $remote_response ) ) {
			$response['message'] = $response->get_error_message();
		} else {
			$remote_response_code = wp_remote_retrieve_response_code( $remote_response );
			$response['response_code'] = $remote_response_code;
			if ( 200 == $remote_response_code ) {
				$result = json_decode( wp_remote_retrieve_body( $remote_response ) );
				if ( 'active' == $result->status ) {
					$response['success'] = true;
					$response['message'] = esc_html__( 'Congratulations. Your theme license is active.', 'total' );
					$response['messageClass'] = 'updated';
					update_option( 'active_theme_license', $license );
					if ( $dev ) {
						update_option( 'active_theme_license_dev', true );
					}
				} else {
					if ( 'invalid' == $result->status ) {
						$response['message'] = esc_html__( 'This license code is not valid.', 'total' );
					} elseif ( 'duplicate' == $result->status ) {
						$response['message'] = esc_html__( 'This license is already in use. Click the "manage licenses" link below to log in with your Envato ID and manage your licenses.', 'total' );
					} elseif ( isset( $result->error ) ) {
						$response['message'] = $result['error'];
					}
					$response['messageClass'] = 'notice-error';
				}
			} else {
				$response['message'] = esc_html( 'Can not connect to the verification server at this time. Please make sure outgoing connections are enabled on your server and try again. If it still does not work please wait a few minutes and try again.', 'total' );
			}
		}
		return $response;
	}

	/**
	 * Deactivate License
	 *
	 * @since 4.5
	 */
	public function deactivate_license( $license, $dev, $response ) {
		$args = array(
			'market'  => 'envato',
			'license' => $license,
			'url'     => $this->get_site_url(),
		);
		if ( $dev ) {
			$args['dev'] = '1';
		}
		$remote_url = add_query_arg( $args, 'https://wpexplorer-themes.com/deactivate-license/' );
		$remote_response = wp_remote_get( $remote_url );
		if ( is_wp_error( $remote_response ) ) {
			$response['message'] = $response->get_error_message();
		} else {
			$remote_response_code = wp_remote_retrieve_response_code( $remote_response );
			$response['response_code'] = $remote_response_code;
			if ( 200 == $remote_response_code ) {
				$result = json_decode( wp_remote_retrieve_body( $remote_response ) );
				if ( 'success' == $result->status ) {
					delete_option( 'active_theme_license' );
					delete_option( 'active_theme_license_dev' );
					$response['message'] = esc_html__( 'The license has been deactivated successfully.', 'total' );
					$response['messageClass'] = 'notice-warning';
					$response['success'] = true;
				} elseif ( $result->message ) {
					$response['message'] = $result->message;
				} else {
					$response['message'] = $result;
				}
				if ( isset( $result->clearLicense ) ) {
					delete_option( 'active_theme_license' );
					delete_option( 'active_theme_license_dev' );
					$response['success']      = true;
					$response['clearLicense'] = true;
					$response['message']      =  '';
				}
			} else {
				$response['message'] = esc_html( 'Can not connect to the verification server at this time, please try again in a few minutes.', 'total' );
			}
		}
		return $response;
	}

	/**
	 * License form ajax
	 *
	 * @since 4.5
	 */
	public function license_form_ajax() {

		if ( ! wp_verify_nonce( $_POST['nonce'], 'wpex_theme_license_form_nonce' ) ) {
			wp_die();
		}

		$response = array(
			'message'       => '',
			'messageClass'  => 'notice-error',
			'success'       => false,
			'response_code' => '',
		);
		$license = isset( $_POST['license'] ) ? wp_strip_all_tags( trim( $_POST['license'] ) ) : '';
		$process = isset( $_POST['process'] ) ? $_POST['process'] : '';

		if ( 'deactivate' == $process ) {
			$response = $this->deactivate_license( $license, get_option( 'active_theme_license_dev', false ), $response );
			wp_send_json( $response );
		}

		elseif ( 'activate' == $process ) {

			$dev = ( isset( $_POST['devlicense'] ) && 'checked' == $_POST['devlicense'] ) ? true : false;

			if ( empty( $license ) ) {
				$response['message']      = esc_html__( 'Please enter a license.', 'total' );
				$response['messageClass'] = 'notice-warning';
			} else {
				$response = $this->activate_license( $license, $dev, $response );
			}

			wp_send_json( $response );

		}

		wp_die();

	}

}
new License();