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<?php
if ( ! class_exists( 'GFForms' ) ) {
die();
}
if ( ! defined( 'GRAVITY_API_URL' ) ) {
define( 'GRAVITY_API_URL', 'https://gravityapi.com/wp-json/gravityapi/v1' );
}
if ( ! class_exists( 'Gravity_Api' ) ) {
/**
* Client-side API wrapper for interacting with the Gravity APIs.
*
* @package Gravity Forms
* @subpackage Gravity_Api
* @since 1.9
* @access public
*/
class Gravity_Api {
private static $instance = null;
public static function get_instance() {
if ( null == self::$instance ) {
self::$instance = new self;
}
return self::$instance;
}
/**
* Retrieves site key and site secret key from remote API and stores them as WP options. Returns false if license key is invalid; otherwise, returns true.
*
* @since 2.3
*
* @param string $license_key License key to be registered.
* @param boolean $is_md5 Specifies if $license_key provided is an MD5 or unhashed license key.
*
* @return bool|WP_Error
*/
public function register_current_site( $license_key, $is_md5 = false ) {
$body = array();
$body['site_name'] = get_bloginfo( 'name' );
$body['site_url'] = get_bloginfo( 'url' );
if ( $is_md5 ) {
$body['license_key_md5'] = $license_key;
} else {
$body['license_key'] = $license_key;
}
GFCommon::log_debug( __METHOD__ . '(): registering site' );
$result = $this->request( 'sites', $body, 'POST', array( 'headers' => $this->get_license_auth_header( $license_key ) ) );
$result = $this->prepare_response_body( $result, true );
if ( is_wp_error( $result ) ) {
GFCommon::log_error( __METHOD__ . '(): error registering site. ' . $result->get_error_message() );
return $result;
}
update_option( 'gf_site_key', $result['key'] );
update_option( 'gf_site_secret', $result['secret'] );
GFCommon::log_debug( __METHOD__ . '(): site registration successful. Site Key: ' . $result['key'] );
return true;
}
/**
* Updates license key for a site that has already been registered.
*
* @since 2.3
* @since 2.5 Returns License Response on success.
*
* @access public
*
* @param string $new_license_key_md5 Hash license key to be updated
*
* @return \Gravity_Forms\Gravity_Forms\License\GF_License_API_Response|WP_Error
*/
public function update_current_site( $new_license_key_md5 ) {
$site_key = $this->get_site_key();
$site_secret = $this->get_site_secret();
if ( empty( $site_key ) || empty( $site_secret ) ) {
return false;
}
$body = GFCommon::get_remote_post_params();
$body['site_name'] = get_bloginfo( 'name' );
$body['site_url'] = get_bloginfo( 'url' );
$body['site_key'] = $site_key;
$body['site_secret'] = $site_secret;
$body['license_key_md5'] = $new_license_key_md5;
GFCommon::log_debug( __METHOD__ . '(): refreshing license info' );
$result = $this->request( 'sites/' . $site_key, $body, 'PUT', array( 'headers' => $this->get_site_auth_header( $site_key, $site_secret ) ) );
$result = $this->prepare_response_body( $result, true );
if ( is_wp_error( $result ) ) {
GFCommon::log_debug( __METHOD__ . '(): error updating site registration. ' . print_r( $result, true ) );
return $result;
}
return $result;
}
/***
* Removes a license key from a registered site. NOTE: It doesn't actually deregister the site.
*
* @deprecated Use gapi()->update_current_site('') instead.
*
* @return bool|WP_Error
*/
public function deregister_current_site() {
$site_key = $this->get_site_key();
$site_secret = $this->get_site_secret();
if ( empty( $site_key ) ) {
return false;
}
GFCommon::log_debug( __METHOD__ . '(): deregistering' );
$body = array(
'license_key_md5' => '',
);
$result = $this->request( 'sites/' . $site_key, $body, 'PUT', array( 'headers' => $this->get_site_auth_header( $site_key, $site_secret ) ) );
$result = $this->prepare_response_body( $result, true );
if ( is_wp_error( $result ) ) {
GFCommon::log_debug( __METHOD__ . '(): error updating site registration. ' . print_r( $result, true ) );
return $result;
}
return true;
}
/**
* Check the given license key to get its information from the API.
*
* @since 2.5
*
* @param string $key The license key.
*
* @return array|false|WP_Error
*/
public function check_license( $key ) {
GFCommon::log_debug( __METHOD__ . '(): getting site and license info' );
$params = array(
'site_url' => get_option( 'home' ),
'is_multisite' => is_multisite(),
);
$resource = 'licenses/' . $key . '/check?' . build_query( $params );
$result = $this->request( $resource, null );
$result = $this->prepare_response_body( $result, true );
if ( is_wp_error( $result ) ) {
GFCommon::log_debug( __METHOD__ . '(): error getting site and license information. ' . $result->get_error_message() );
return $result;
}
$response = $result;
if ( rgar( $result, 'license' ) ) {
$response = rgar( $result, 'license' );
}
// Set the license object to the transient.
set_transient( 'rg_gforms_license', $response, DAY_IN_SECONDS );
return $response;
}
/**
* Get GF core and add-on family information.
*
* @since 2.5
*
* @return false|array
*/
public function get_plugins_info() {
$version_info = $this->get_version_info();
if ( empty( $version_info['offerings'] ) ) {
return false;
}
return $version_info['offerings'];
}
/**
* Get version information from the Gravity Manager API.
*
* @since 2.5
*
* @param false $cache
*
* @return array
*/
private function get_version_info( $cache = false ) {
$version_info = null;
if ( $cache ) {
$cached_info = get_option( 'gform_version_info' );
// Checking cache expiration
$cache_duration = DAY_IN_SECONDS; // 24 hours.
$cache_timestamp = $cached_info && isset( $cached_info['timestamp'] ) ? $cached_info['timestamp'] : 0;
// Is cache expired? If not, set $version_info to the cached data.
if ( $cache_timestamp + $cache_duration >= time() ) {
$version_info = $cached_info;
}
}
if ( is_wp_error( $version_info ) || isset( $version_info['headers'] ) ) {
// Legacy ( < 2.1.1.14 ) version info contained the whole raw response.
$version_info = null;
}
// If we reach this point with a $version_info array, it's from cache, and we can return it.
if ( $version_info ) {
return $version_info;
}
//Getting version number
$options = array(
'method' => 'POST',
'timeout' => 20,
);
$options['headers'] = array(
'Content-Type' => 'application/x-www-form-urlencoded; charset=' . get_option( 'blog_charset' ),
'User-Agent' => 'WordPress/' . get_bloginfo( 'version' ),
);
$options['body'] = GFCommon::get_remote_post_params();
$options['timeout'] = 15;
$nocache = $cache ? '' : 'nocache=1'; //disabling server side caching
$raw_response = GFCommon::post_to_manager( 'version.php', $nocache, $options );
$version_info = array(
'is_valid_key' => '1',
'version' => '',
'url' => '',
'is_error' => '1',
);
if ( is_wp_error( $raw_response ) || rgars( $raw_response, 'response/code' ) != 200 ) {
$version_info['timestamp'] = time();
return $version_info;
}
$decoded = json_decode( $raw_response['body'], true );
if ( empty( $decoded ) ) {
$version_info['timestamp'] = time();
return $version_info;
}
$decoded['timestamp'] = time();
// Caching response.
update_option( 'gform_version_info', $decoded, false ); //caching version info
return $decoded;
}
/**
* Update the usage data (call version.php in Gravity Manager). We will replace it once we have statistics API endpoints.
*
* @since 2.5
*/
public function update_site_data() {
// Whenever we update the plugins info, we call the versions.php to update usage data.
$options = array( 'method' => 'POST' );
$options['headers'] = array(
'Content-Type' => 'application/x-www-form-urlencoded; charset=' . get_option( 'blog_charset' ),
'User-Agent' => 'WordPress/' . get_bloginfo( 'version' ),
'Referer' => get_bloginfo( 'url' ),
);
$options['body'] = GFCommon::get_remote_post_params();
// Set the version to 3 which lightens the burden of version.php, it won't return anything to us anymore.
$options['body']['version'] = '3';
$options['timeout'] = 15;
$nocache = 'nocache=1'; //disabling server side caching
GFCommon::post_to_manager( 'version.php', $nocache, $options );
}
public function send_email_to_hubspot( $email ) {
GFCommon::log_debug( __METHOD__ . '(): Sending installation wizard to hubspot.' );
$body = array(
'email' => $email,
);
$result = $this->request( 'emails/installation/add-to-list', $body, 'POST', array( 'headers' => $this->get_license_info_header( $site_secret ) ) );
$result = $this->prepare_response_body( $result, true );
if ( is_wp_error( $result ) ) {
GFCommon::log_debug( __METHOD__ . '(): error sending installation wizard to hubspot. ' . print_r( $result, true ) );
return $result;
}
return true;
}
// # HELPERS
/**
* @return false|mixed|void
*/
public function get_key() {
return GFCommon::get_key();
}
/**
* @param $site_key
* @param $site_secret
*
* @return string[]
*/
private function get_site_auth_header( $site_key, $site_secret ) {
$auth = base64_encode( "{$site_key}:{$site_secret}" );
return array( 'Authorization' => 'GravityAPI ' . $auth );
}
/**
* @param $site_secret
*
* @return string[]
*/
private function get_license_info_header( $site_secret ) {
$auth = base64_encode( "gravityforms.com:{$site_secret}" );
return array( 'Authorization' => 'GravityAPI ' . $auth );
}
/**
* @param $license_key_md5
*
* @return string[]
*/
private function get_license_auth_header( $license_key_md5 ) {
$auth = base64_encode( "license:{$license_key_md5}" );
return array( 'Authorization' => 'GravityAPI ' . $auth );
}
/**
* Prepare response body.
*
* @since unknown
* @since 2.5 Support a WP_Error being returned.
* @since 2.5 Allow results to be returned as array with second param.
*
* @param WP_Error|WP_REST_Response $raw_response The API response.
* @param bool $as_array Whether to return the response as an array or object.
*
* @return array|object|WP_Error
*/
public function prepare_response_body( $raw_response, $as_array = false ) {
if ( is_wp_error( $raw_response ) ) {
return $raw_response;
}
$response_body = json_decode( wp_remote_retrieve_body( $raw_response ), $as_array );
$response_code = wp_remote_retrieve_response_code( $raw_response );
$response_message = wp_remote_retrieve_response_message( $raw_response );
if ( $response_code > 200 ) {
// If a WP_Error was returned in the body.
if ( rgar( $response_body, 'code' ) ) {
// Restore the WP_Error.
$error = new WP_Error( $response_body['code'], $response_body['message'], $response_body['data'] );
} else {
$error = new WP_Error( 'server_error', 'Error from server: ' . $response_message );
}
return $error;
}
return $response_body;
}
/**
* Purge the site credentials.
*
* @since unknown
* @since 2.5 Added the deletion of the gf_site_registered option.
*/
public function purge_site_credentials() {
delete_option( 'gf_site_key' );
delete_option( 'gf_site_secret' );
delete_option( 'gf_site_registered' );
}
/**
* Making API requests.
*
* @since unknown
* @since 2.5 Purge the registration data on site if certain errors matched.
*
* @param string $resource The API route.
* @param array $body The request body.
* @param string $method The method.
* @param array $options The options.
*
* @return array|WP_Error
*/
public function request( $resource, $body, $method = 'POST', $options = array() ) {
$body['timestamp'] = time();
// set default options
$options = wp_parse_args( $options, array(
'method' => $method,
'timeout' => 10,
'body' => in_array( $method, array( 'GET', 'DELETE' ) ) ? null : json_encode( $body ),
'headers' => array(),
'sslverify' => false,
) );
// set default header options
$options['headers'] = wp_parse_args( $options['headers'], array(
'Content-Type' => 'application/json; charset=' . get_option( 'blog_charset' ),
'User-Agent' => 'WordPress/' . get_bloginfo( 'version' ),
'Referer' => get_bloginfo( 'url' ),
) );
// WP docs say method should be uppercase
$options['method'] = strtoupper( $options['method'] );
$request_url = $this->get_gravity_api_url() . $resource;
return wp_remote_request( $request_url, $options );
}
/**
* @return false|mixed|void
*/
public function get_site_key() {
if ( defined( 'GRAVITY_API_SITE_KEY' ) ) {
return GRAVITY_API_SITE_KEY;
}
$site_key = get_option( 'gf_site_key' );
if ( empty( $site_key ) ) {
return false;
}
return $site_key;
}
/**
* @return false|mixed|void
*/
public function get_site_secret() {
if ( defined( 'GRAVITY_API_SITE_SECRET' ) ) {
return GRAVITY_API_SITE_SECRET;
}
$site_secret = get_option( 'gf_site_secret' );
if ( empty( $site_secret ) ) {
return false;
}
return $site_secret;
}
/**
* @return string
*/
public function get_gravity_api_url() {
return trailingslashit( GRAVITY_API_URL );
}
/**
* Check if the site has the gf_site_key and gf_site_secret options.
*
* @since unknown
*
* @return bool
*/
public function is_site_registered() {
return $this->get_site_key() && $this->get_site_secret();
}
/**
* Check if the site has the gf_site_key, gf_site_secret and also the gf_site_registered options.
*
* @since 2.5
*
* @return bool
*/
public function is_legacy_registration() {
return $this->is_site_registered() && ! get_option( 'gf_site_registered' );
}
}
function gapi() {
return Gravity_Api::get_instance();
}
gapi();
}
