GV\License_Handler

Complexity

Total Complexity

104

Size/Duplication

Total Lines	777
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	6

Test Coverage

Coverage

89.27%

Importance

Changes

0

19 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	15	2
A	get()	0	6	2
A	_get_edd_settings()	0	22	3
A	setup_edd()	0	12	2
F	license_call()	0	70	18
A	get_license_message()	0	21	4
C	license_details()	0	54	11
B	get_upgrade_html()	0	40	7
A	generate_license_box()	0	25	5
A	strings()	0	32	1
A	get_license_renewal_url()	0	15	4
A	_license_get_remote_response()	0	32	3
A	license_call_update_settings()	0	9	1
F	settings_edd_license_activation()	0	72	13
A	refresh_license_status()	0	22	4
B	check_license()	0	48	9
B	get_site_data()	0	62	6
B	get_related_plugins_and_extensions()	0	31	7
A	flush_related_plugins_transient()	0	5	2

<?php
namespace GV;

use GV\Shortcodes\gravityview;

/** If this file is called directly, abort. */
if ( ! defined( 'GRAVITYVIEW_DIR' ) ) {
	die();
}

/**
 * The \GV\License_Handler class.
 *
 * Handles everything licensing. Ka-ching!
 */
class License_Handler {

Since you have declared the constructor as private, maybe you should also declare the class as final.

	/**
	 * @var \GV\Addon_Settings The global addon settings binding.
	 */
	private $settings;

	const name = 'GravityView';
	const author = 'Katz Web Services, Inc.';
	const url = 'https://gravityview.co';

	/**
	 * Post ID on gravityview.co
	 * @since 1.15
	 */
	const item_id = 17;

	/**
	 * Name of the transient used to store license status for GV
	 * @since 1.17
	 */
	const status_transient_key = 'gravityview_edd-activate_valid';

	/**
	 * @var string Key used to store active GravityView/Gravity Forms plugin data
	 * @since 1.15
	 */
	const related_plugins_key = 'gravityview_related_plugins';

	/** @var \GV\EDD_SL_Plugin_Updater */
	private $EDD_SL_Plugin_Updater;

	/**
	 * @var \GV\License_Handler
	 */
	private static $__instance;

	private function __construct( $settings ) {

		$this->settings = $settings;

		if ( ! $this->settings instanceof Addon_Settings ) {
			$this->settings = gravityview()->plugin->settings;
		}

		add_action( 'admin_init', array( $this, 'setup_edd' ), 0 );
		add_action( 'wp_ajax_gravityview_license', array( $this, 'license_call' ) );
		add_action( 'admin_init', array( $this, 'refresh_license_status' ) );
		add_action( 'admin_init', array( $this, 'check_license' ) );
		add_action( 'update_option_active_plugins', array( $this, 'flush_related_plugins_transient' ) );
		add_action( 'update_option_active_sitewide_plugins', array( $this, 'flush_related_plugins_transient' ) );
	}

	/**
	 * @return \GV\License_Handler The global instance.
	 */
	public static function get( $settings = null ) {
		if ( ! self::$__instance ) {
			self::$__instance = new self( $settings );
		}
		return self::$__instance;
	}

	/**
	 * Generate the array of settings passed to the EDD license call
	 *
	 * @since 1.7.4
	 *
	 * @param string $action The action to send to edd, such as `check_license`
	 * @param string $license The license key to have passed to EDD
	 *
	 * @return array
	 */
	private function _get_edd_settings( $action = '', $license = '' ) {

		// retrieve our license key from the DB
		$license_key = empty( $license ) ? trim( $this->settings->get( 'license_key' ) ) : $license;

		$settings = array(
			'version'   => Plugin::$version,
			'license'   => $license_key,
			'item_name' => self::name,
			'item_id'   => self::item_id,
			'author'    => self::author,
			'language'  => get_locale(),
			'url'       => home_url(),
		    'beta'      => $this->settings->get( 'beta' ),
		);

		if ( ! empty( $action ) ) {
			$settings['edd_action'] = esc_attr( $action );
		}

		return array_map( 'urlencode', $settings );
	}

	/**
	 * Include the EDD plugin updater class, if not exists
	 *
	 * @since 1.7.4
	 * @since 1.21.5.3 Changed visibility of method to public
	 *
	 * @return void
	 */
	public function setup_edd() {
		if ( ! class_exists( '\GV\EDD_SL_Plugin_Updater' ) ) {
			require_once gravityview()->plugin->dir( 'future/lib/EDD_SL_Plugin_Updater.php' );
		}

		// setup the updater
		$this->EDD_SL_Plugin_Updater = new EDD_SL_Plugin_Updater(
			self::url,
			GRAVITYVIEW_FILE,
			$this->_get_edd_settings()
		);
	}

	/**
	 * Perform the call to EDD based on the AJAX call or passed data
	 *
	 * @since 1.7.4
	 *
	 * @param array $array {
	 * @type string $license The license key
	 * @type string $edd_action The EDD action to perform, like `check_license`
	 * @type string $field_id The ID of the field to check
	 * @type boolean $update Whether to update plugin settings. Prevent updating the data by setting an `update` key to false
	 * @type string $format If `object`, return the object of the license data. Else, return the JSON-encoded object
	 * }
	 * @param boolean $cap_check Require `gravityview_edit_settings` capability from current user.
	 *
	 * @return mixed|string|void
	 */
	public function license_call( $array = array(), $cap_check = true ) {

		$is_ajax = ( defined( 'DOING_AJAX' ) && DOING_AJAX );
		$data = empty( $array ) ? Utils::_POST( 'data', array() ) : $array;

		$data = wp_parse_args( $data, array(
			'license' => '',
			'edd_action' => '',
			'field_id' => '',
			'update' => '',
			'format' => 'json',
		) );

		if ( $is_ajax && empty( $data['license'] ) ) {
			die( -1 );
		}

		// If the user isn't allowed to edit settings, show an error message
		if ( $cap_check && ! \GVCommon::has_cap( 'gravityview_edit_settings' ) ) {
			$license_data = new \stdClass();
			$license_data->error = 'capability';
			$license_data->message = $this->get_license_message( $license_data );
			$json = json_encode( $license_data );
		} else {
			$license      = esc_attr( Utils::get( $data, 'license' ) );
			$license_data = $this->_license_get_remote_response( $data, $license );

			// Empty is returned when there's an error.
			if ( empty( $license_data ) ) {
				if ( $is_ajax ) {
					exit( json_encode( array() ) );
				} else { // Non-ajax call
					return json_encode( array() );
				}
			}

			$license_data->details = $this->license_details( $license_data );
			$license_data->message = $this->get_license_message( $license_data );

			$json = json_encode( $license_data );

			$update_license = Utils::get( $data, 'update' ) || 'gravityview_license' === Utils::_POST('action');

			$is_check_action_button = ( 'check_license' === Utils::get( $data, 'edd_action' ) && defined( 'DOING_AJAX' ) && DOING_AJAX );

			do_action('gravityview/admin_installer/delete_downloads_data', true );

			if ( $is_check_action_button ) {
				delete_transient( self::status_transient_key );

			// Failed is the response from trying to de-activate a license and it didn't work.
			// This likely happened because people entered in a different key and clicked "Deactivate",
			// meaning to deactivate the original key. We don't want to save this response, since it is
			// most likely a mistake.
			} else if ( $license_data->license !== 'failed' && $update_license ) {

				if ( ! empty( $data['field_id'] ) ) {
					set_transient( self::status_transient_key, $license_data, DAY_IN_SECONDS );
				}

				$this->license_call_update_settings( $license_data, $data );
			}
		}

		if ( $is_ajax ) {
			exit( $json );
		} else { // Non-ajax call
			return ( Utils::_GET( 'format', Utils::get( $data, 'format' ) ) === 'object' ) ? $license_data : $json;
		}
	}

	/**
	 * Generate the status message displayed in the license field
	 *
	 * @since 1.7.4
	 * @param $license_data
	 *
	 * @return string
	 */
	private function get_license_message( $license_data ) {
		if ( empty( $license_data ) ) {
			$message = '';
			if (gravityview()->plugin->is_GF_25()) {
				$message = $this->generate_license_box( $message, 'hide' );
			}
		} else {
			if( ! empty( $license_data->error ) ) {
				$class = 'error';
				$string_key = $license_data->error;
			} else { $class = $license_data->license;
				$string_key = $license_data->license;
			}

			$message = sprintf( '<p><strong>%s: %s</strong></p>', $this->strings( 'status' ), $this->strings( $string_key, $license_data ) );

			$message = $this->generate_license_box( $message, $class );
		}

		return $message;
	}

	/**
	 * Allow pure HTML in settings fields
	 *
	 * @since 1.17
	 *
	 * @param array $response License response
	 *
	 * @return string `html` key of the $field
	 */
	public function license_details( $response = array() ) {

		$response = (array) $response;

		$return = '';
		$wrapper = '<span class="gv-license-details" aria-live="polite" aria-busy="false">%s</span>';

		if ( ! empty( $response['license_key'] ) ) {
			$return .= '<h3>' . rtrim( esc_html__( 'License Details:', 'gravityview' ), ':' ) . '</h3>';

			if ( in_array( Utils::get( $response, 'license' ), array( 'invalid', 'deactivated' ) ) ) {
				if ( gravityview()->plugin->is_GF_25() ) {
					return sprintf( $wrapper, '' ); // Do not show redundant information - invalid/deactivated notice will be displayed by generate_license_box()
				}

				$return .= $this->strings( $response['license'], $response );
			} elseif ( ! empty( $response['license_name'] ) ) {
				$response_keys = array(
					'license_name'   => '',
					'license_limit'  => '',
					'customer_name'  => '',
					'customer_email' => '',
					'site_count'     => '',
					'expires'        => '',
					'upgrades'       => ''
				);

				// Make sure all the keys are set
				$response = wp_parse_args( $response, $response_keys );

				$login_link_class = gravityview()->plugin->is_GF_25() ? 'button button-outline outline' : 'text-link';
				$login_link    = sprintf( '<a href="%s" class="gv-access-account ' . $login_link_class . '" rel="external">%s</a>', esc_url( sprintf( 'https://gravityview.co/wp-login.php?username=%s', $response['customer_email'] ) ), esc_html__( 'Access your GravityView account', 'gravityview' ) );
				$local_text    = ( ! empty( $response['is_local'] ) ? '<span class="howto">' . __( 'This development site does not count toward license activation limits', 'gravityview' ) . '</span>' : '' );
				$license_limit = empty( $response['license_limit'] ) ? __( 'Unlimited', 'gravityview' ) : (int) $response['license_limit'];

				$details    = array(
					'license'     => sprintf( esc_html__( 'License level: %s', 'gravityview' ), '<span class="gv-license-detail">' . esc_html( $response['license_name'] ) . '</span>' ),
					'licensed_to' => sprintf( esc_html_x( 'Licensed to: %1$s (%2$s)', '1: Customer name; 2: Customer email', 'gravityview' ),  '<span class="gv-license-detail">' . esc_html__( $response['customer_name'], 'gravityview' ), esc_html__( $response['customer_email'], 'gravityview' ) ) . $login_link . '</span>',
					'activations' => sprintf( str_replace( '%d', '%s', esc_html__( 'Activations: %d of %s sites', 'gravityview' ) ), '<span class="gv-license-detail">' . intval( $response['site_count'] ), esc_html( $license_limit ) ) . '</span>' . $local_text,
					'expires'     => 'lifetime' === $response['expires'] ? '' : sprintf( esc_html__( 'Renew on: %s', 'gravityview' ), date_i18n( get_option( 'date_format' ), strtotime( $response['expires'] ) - DAY_IN_SECONDS ) ),
					'upgrade'     => $this->get_upgrade_html( $response['upgrades'] ),
				);

				if ( ! empty( $response['error'] ) && 'expired' === $response['error'] ) {
					unset( $details['upgrade'] );
					$details['expires'] = '<div class="error inline"><p>' . $this->strings( 'expired', $response ) . '</p></div>';
				}

				$return .= '<ul><li>' . implode( '</li><li>', array_filter( $details ) ) . '</li></ul>';
			}
		}

		return sprintf( $wrapper, $return );
	}

	/**
	 * Display possible upgrades for a license
	 *
	 * @since 1.17
	 *
	 * @param array $upgrades Array of upgrade paths, returned from the GV website
	 *
	 * @return string HTML list of upgrades available for the current license
	 */
	private function get_upgrade_html( $upgrades ) {

		$output = '';

		if ( ! empty( $upgrades ) ) {

			$locale_parts = explode( '_', get_locale() );
			$is_english = ( 'en' === $locale_parts[0] );

			$output .= '<h4>' . esc_html__( 'Upgrades available:', 'gravityview' ) . '</h4>';
			$output .= '<ul class="ul-disc">';

			foreach ( $upgrades as $upgrade_id => $upgrade ) {
				$upgrade = (object) $upgrade;

				$anchor_text = sprintf( esc_html_x( 'Upgrade to %1$s for %2$s', '1: GravityView upgrade name, 2: Cost of upgrade', 'gravityview' ), esc_attr( $upgrade->name ), esc_attr( $upgrade->price ) );

				if ( $is_english && isset( $upgrade->description ) ) {
					$message = esc_html( $upgrade->description );
				} else {
					switch( $upgrade->price_id ) {
						// Interstellar
						case 1:
						default:
							$message = esc_html__( 'Get access to Extensions', 'gravityview' );
							break;
						// Galactic
						case 2:

case 2: $message = esc_html__('Get access to Entry Importer and other Premium plugins', 'gravityview'); break; does not seem to be reachable.

							$message = esc_html__( 'Get access to Entry Importer and other Premium plugins', 'gravityview' );
							break;
					}
				}

				$output .= sprintf( '<li><a href="%s">%s</a><span class="howto">%s</span></li>', esc_url( add_query_arg( array( 'utm_source' => 'settings', 'utm_medium' => 'admin', 'utm_content' => 'license-details', 'utm_campaign' => 'Upgrades' ), $upgrade->url ) ), $anchor_text, $message );
			}
			$output .= '</ul>';
		}

		return $output;
	}

	/**
	 * Generate the status message box HTML based on the current status
	 *
	 * @since 1.7.4
	 * @param string $message
	 * @param string $class
	 *
	 * @return string
	 */
	private function generate_license_box( $message, $class = '' ) {

		$message = ! empty( $message ) ? $message : '<p><strong></strong></p>';

		if ( gravityview()->plugin->is_GF_25() ) {
			switch ( $class ) {
				case 'valid':
					$class .= ' success';
					break;
				case 'invalid':
					$class .= ' error';
					break;
				default:
					$class .= ' warning';
			}

			$template = '<div id="gv-edd-status" aria-live="polite" aria-busy="false" class="alert %s">%s</div>';
		} else {
			$template = '<div id="gv-edd-status" aria-live="polite" aria-busy="false" class="gv-edd-message inline %s">%s</div>';
		}

		$output = sprintf( $template, esc_attr( $class ), $message );

		return $output;
	}

	/**
	 * Override the text used in the GravityView EDD license Javascript
	 *
	 * @param  string $status Status to get. If empty, get all strings.
	 * @param  object|array|null $license_data Object with license data, used to generate link to license renewal URL
	 * @return string Modified array of content
	 */
	public function strings( $status = NULL, $license_data = null ) {

		$strings = array(
			'status' => esc_html__( 'Status', 'gravityview' ),
			'error' => esc_html__( 'There was an error processing the request.', 'gravityview' ),
			'failed'  => esc_html__( 'Could not deactivate the license. The license key you attempted to deactivate may not be active or valid.', 'gravityview' ),
			'site_inactive' => esc_html__( 'The license key is valid, but it has not been activated for this site.', 'gravityview' ),
			'inactive' => esc_html__( 'The license key is valid, but it has not been activated for this site.', 'gravityview' ),
			'no_activations_left' => esc_html__( 'Invalid: this license has reached its activation limit.', 'gravityview' ) . ' ' . sprintf( esc_html__( 'You can manage license activations %son your GravityView account page%s.', 'gravityview' ), '<a href="https://gravityview.co/account/#licenses">', '</a>' ),
			'deactivated' => esc_html__( 'The license has been deactivated.', 'gravityview' ),
			'valid' => esc_html__( 'The license key is valid and active.', 'gravityview' ),
			'disabled' => sprintf( esc_html__( 'This license key is disabled. For updates and support, %spurchase a new license%s.', 'gravityview' ), '<a href="https://gravityview.co/account/">', '</a>' ),
			'invalid' => esc_html__( 'The license key entered is invalid.', 'gravityview' ),
			'invalid_item_id' => esc_html__( 'This license key does not have access to this plugin.', 'gravityview' ),
			'missing' => esc_html__( 'The license key entered is invalid.', 'gravityview' ), // Missing is "the license couldn't be found", not "you submitted an empty license"
			'revoked' => esc_html__( 'This license key has been revoked.', 'gravityview' ),
			'expired' => sprintf( esc_html__( 'This license key has expired. %sRenew your license on the GravityView website%s to receive updates and support.', 'gravityview' ), '<a href="'. esc_url( $this->get_license_renewal_url( $license_data ) ) .'">', '</a>' ),
			'capability' => esc_html__( 'You don\'t have the ability to edit plugin settings.', 'gravityview' ),
			'verifying_license' => esc_html__( 'Verifying license&hellip;', 'gravityview' ),
			'activate_license' => esc_html__( 'Activate License', 'gravityview' ),
			'deactivate_license' => esc_html__( 'Deactivate License', 'gravityview' ),
			'check_license' => esc_html__( 'Verify License', 'gravityview' ),
		);

		/**
		 * @internal Do not rely on this filter.
		 * @since 2.1
		 */
		$strings = apply_filters( 'gravityview/admin/license/strings', $strings );

		return Utils::get( $strings, $status, null );
	}

	/**
	 * URL to direct license renewal, or if license key is not set, then just the account page
	 * @since 1.13.1
	 * @param  object|null $license_data Object with license data
	 * @return string Renewal or account URL
	 */
	private function get_license_renewal_url( $license_data ) {
		$license_data = is_array( $license_data ) ? (object)$license_data : $license_data;

		if ( ! empty( $license_data->renewal_url ) ) {
			$renew_license_url = $license_data->renewal_url;
		} elseif( ! empty( $license_data->license_key ) ) {
			$renew_license_url = sprintf( 'https://gravityview.co/checkout/?download_id=17&edd_license_key=%s', $license_data->license_key );
		} else {
			$renew_license_url = 'https://gravityview.co/account/';
		}

		$renew_license_url = add_query_arg( wp_parse_args( 'utm_source=admin_notice&utm_medium=admin&utm_content=expired&utm_campaign=Activation&force_login=1' ), $renew_license_url );

		return $renew_license_url;
	}

	/**
	 * Perform the call
	 *
	 * @return array|\WP_Error
	 */
	private function _license_get_remote_response( $data, $license = '' ) {
		$api_params = $this->_get_edd_settings( $data['edd_action'], $license );

		$url = add_query_arg( $api_params, self::url );

		$response = wp_remote_get( $url, array(
			'timeout'   => 15,
			'sslverify' => false,
		) );

		if ( is_wp_error( $response ) ) {
			gravityview()->log->error( 'WP_Error response from license check. API params:', array( 'data' => $api_params ) );
			return array();
		}

		$license_data = json_decode( wp_remote_retrieve_body( $response ) );

		// Not JSON
		if ( empty( $license_data ) ) {
			gravityview()->log->error( 'Empty license data response from license check', array( 'data' => compact( 'response', 'url', 'api_params', 'data' ) ) );

			delete_transient( self::status_transient_key );

			// Change status
			return array();
		}

		// Store the license key inside the data array
		$license_data->license_key = $license;

		return $license_data;
	}

	/**
	 * Update the license after fetching it
	 * @param object $license_data
	 * @return void
	 */
	private function license_call_update_settings( $license_data, $data ) {
		$settings = array();

        $settings['license_key'] = $license_data->license_key = trim( $data['license'] );
		$settings['license_key_status'] = $license_data->license;
		$settings['license_key_response'] = (array)$license_data;

		$this->settings->set( $settings );
	}

	public function settings_edd_license_activation( $field, $echo ) {

The parameter $field is not used and could be removed.

		$script_debug = ( defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ) ? '' : '.min';

		wp_enqueue_script( 'gv-admin-edd-license', GRAVITYVIEW_URL . 'assets/js/admin-edd-license' . $script_debug . '.js', array( 'jquery' ) );

		// GF 2.5 compatibility
		if ( gravityview()->plugin->is_GF_25() ) {
			wp_register_style( 'gv-admin-edd-license', false );
			wp_enqueue_style( 'gv-admin-edd-license' );
		}

		$status = trim( $this->settings->get( 'license_key_status' ) );
		$key = trim( $this->settings->get( 'license_key' ) );

		if (  !empty( $key ) ) {
			$response = $this->settings->get( 'license_key_response' );
			$response = is_array( $response ) ? (object) $response : json_decode( $response );
		} else {
			$response = array();
		}

		wp_localize_script( 'gv-admin-edd-license', 'GVGlobals', array(
			'license_box' => $this->get_license_message( $response )
		) );


		$fields = array(
			array(
				'name'  => 'edd-activate',
				'value' => __( 'Activate License', 'gravityview' ),
				'data-pending_text' => __( 'Verifying license…', 'gravityview' ),
				'data-edd_action' => 'activate_license',
				'class' => 'button-primary primary',
			),
			array(
				'name'  => 'edd-deactivate',
				'value' => __( 'Deactivate License', 'gravityview' ),
				'data-pending_text' => __( 'Deactivating license…', 'gravityview' ),
				'data-edd_action' => 'deactivate_license',
				'class' => ( empty( $status ) ? 'button-primary primary hide' : 'button-primary primary' ),
			),
			array(
				'name'  => 'edd-check',
				'value' => __( 'Check License', 'gravityview' ),
				'data-pending_text' => __( 'Verifying license…', 'gravityview' ),
				'title' => 'Check the license before saving it',
				'data-edd_action' => 'check_license',
				'class' => 'button-secondary',
			),
		);

		$class = 'button gv-edd-action';

		$class .= ( ! empty( $key ) && $status !== 'valid' ) ? '' : ' hide';

		$disabled_attribute = \GVCommon::has_cap( 'gravityview_edit_settings' ) ? false : 'disabled';

		$submit = '<div class="gv-edd-button-wrapper">';
		foreach ( $fields as $field ) {
			$field['type'] = 'button';
			$field['class'] = isset( $field['class'] ) ? $field['class'] . ' '. $class : $class;
			$field['style'] = 'margin-left: 10px;';
			if( $disabled_attribute ) {
				$field['disabled'] = $disabled_attribute;
			}
			$submit .= $this->settings->as_html( $field, $echo );
		}
		$submit .= '</div>';

		return $submit;
	}

	/**
	 * When the status transient expires (or is deleted on activation), re-check the status
	 *
	 * @since 1.17
	 *
	 * @return void
	 */
	public function refresh_license_status() {
		if ( defined( 'DOING_AJAX' ) && DOING_AJAX ) {
			return;
		}

		// The transient is fresh; don't fetch.
		if ( $status = get_transient( self::status_transient_key ) ) {
			return;
		}

		$data = array(
			'edd_action' => 'check_license',
			'license' => trim( $this->settings->get( 'license_key' ) ),
			'update' => true,
			'format' => 'object',
			'field_id' => 'refresh_license_status', // Required to set the `status_transient_key` transient
		);

		$license_call = $this->license_call( $data, false );

		gravityview()->log->debug( 'Refreshed the license.', array( 'data' => $license_call ) );
	}

	/**
	 * Check the GravityView license information
	 *
	 * @since 1.19.3
	 * @param bool $force Whether to force checking license, even if AJAX

There is no parameter named $force. Was it maybe removed?

	 *
	 * @return void
	 */
	public function check_license() {
		if ( defined( 'DOING_AJAX' ) && DOING_AJAX ) {
			return; // Don't fire when saving settings or AJAX
		}

		if ( ! apply_filters( 'gv_send_site_data', true ) ) {
			return;
		}

		// Send checkins once per week
		$last_checked = get_option( 'gv_last_checkin', false );

		if ( is_numeric( $last_checked ) && $last_checked > strtotime( '-1 week', current_time( 'timestamp' ) ) ) {
			return; // checked within a week
		}

		$status = get_transient( 'gv_license_check' );

		// Run the license check a maximum of once per day, and not on GV website
		if ( false === $status && site_url() !== self::url ) {

			// Call the custom API.
			$response = wp_remote_post( self::url, array(
				'timeout'   => 15,
			    'sslverify' => false,
			    'body'      =>  array(
				    'edd_action' => 'check_license',
				    'license'    => trim( $this->settings->get( 'license_key' ) ),
				    'item_name'  => self::name,
				    'url'        => home_url(),
				    'site_data'  => $this->get_site_data(),
			    ),
			));

			// make sure the response came back okay
			if ( is_wp_error( $response ) ) {

				// Connection failed, try again in three hours
				set_transient( 'gv_license_check', 1, 3 * HOUR_IN_SECONDS );

				return;
			}

			set_transient( 'gv_license_check', 1, DAY_IN_SECONDS );

			update_option( 'gv_last_checkin', current_time( 'timestamp' ) );
		}
	}

	/**
	 * Retrieves site data (plugin versions, integrations, etc) to be sent along with the license check.
	 *
	 * @since 1.9
	 *
	 * @return array
	 */
	public function get_site_data() {
		$data = array();

		$theme_data = wp_get_theme();
		$theme      = $theme_data->Name . ' ' . $theme_data->Version;

		$data['gv_version']  = Plugin::$version;
		$data['php_version']  = phpversion();
		$data['wp_version']   = get_bloginfo( 'version' );
		$data['gf_version']  = \GFForms::$version;
		$data['server']       = Utils::get( $_SERVER, 'SERVER_SOFTWARE' );
		$data['multisite']    = is_multisite();
		$data['theme']        = $theme;
		$data['url']          = home_url();
		$data['license_key']  = $this->settings->get( 'license_key' );
		$data['beta']         = $this->settings->get( 'beta' );

		// View Data
		$gravityview_posts = wp_count_posts( 'gravityview', 'readable' );

		$data['view_count'] = null;
		$data['view_first'] = null;
		$data['view_latest'] = null;

		if ( $gravityview_posts->publish ) {
			$data['view_count'] = $gravityview_posts->publish;

			$first = get_posts( 'numberposts=1&post_type=gravityview&post_status=publish&order=ASC' );
			$latest = get_posts( 'numberposts=1&post_type=gravityview&post_status=publish&order=DESC' );

			if ( $first = array_shift( $first ) ) {
				$data['view_first'] = $first->post_date;
			}
			if ( $latest = array_pop( $latest ) ) {
				$data['view_latest'] = $latest->post_date;
			}
		}

		// Form counts
		if ( class_exists( 'GFFormsModel' ) ) {
			$form_data = \GFFormsModel::get_form_count();
			$data['forms_total'] = Utils::get( $form_data, 'total', 0 );
			$data['forms_active'] = Utils::get( $form_data, 'active', 0 );
			$data['forms_inactive'] = Utils::get( $form_data, 'inactive', 0 );
			$data['forms_trash'] = Utils::get( $form_data, 'inactive', 0 );
		}

		// Retrieve current plugin information
		if ( ! function_exists( 'get_plugins' ) ) {
			include ABSPATH . '/wp-admin/includes/plugin.php';
		}

		$data['integrations']     = self::get_related_plugins_and_extensions();
		$data['active_plugins']   = get_option( 'active_plugins', array() );
		$data['inactive_plugins'] = array();
		$data['locale']           = get_locale();

		// Validate request on the GV server
		$data['hash']             = 'gv_version.url.locale:' . sha1( $data['gv_version'] . $data['url'] . $data['locale'] );

		return $data;
	}

	/**
	 * Get active GravityView Extensions and Gravity Forms Add-ons to help debug issues.
	 *
	 * @since 1.15
	 * @return string List of active extensions related to GravityView or Gravity Forms, separated by HTML line breaks
	 */
	static public function get_related_plugins_and_extensions( $implode = '<br />' ) {
		if ( ! function_exists( 'wp_get_active_and_valid_plugins' ) ) {
			return 'Running < WP 3.0';
		}

		$extensions = get_site_transient( self::related_plugins_key );

		if ( empty( $extensions ) ) {

			$active_plugins = wp_get_active_and_valid_plugins();
			$extensions = array();
			foreach ( $active_plugins as $active_plugin ) {
				// Match gravityview, gravity-forms, gravityforms, gravitate
				if ( ! preg_match( '/(gravityview|gravity-?forms|gravitate|perk|gravity|gf)/ism', $active_plugin ) ) {
					continue;
				}

				$plugin_data = get_plugin_data( $active_plugin );

				$extensions[] = sprintf( '%s %s', $plugin_data['Name'], $plugin_data['Version'] );
			}

			if ( ! empty( $extensions ) ) {
				set_site_transient( self::related_plugins_key, $extensions, HOUR_IN_SECONDS );
			} else {
				return 'There was an error fetching related plugins.';
			}
		}

		return $implode ? implode( $implode, $extensions ) : $extensions;
	}

	/**
	 * When a plugin is activated or deactivated, delete the cached extensions/plugins used by get_related_plugins_and_extensions()
	 *
	 * @see get_related_plugins_and_extensions()
	 * @since 1.15
	 */
	public function flush_related_plugins_transient() {
		if ( function_exists( 'delete_site_transient' ) ) {
			delete_site_transient( self::related_plugins_key );
		}
	}
}