website/wp-content/plugins/gravityforms/includes/class-gravity-api.php

267 lines
6.8 KiB
PHP

<?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
* @access public
*
* @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 Success
*/
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 );
if ( is_wp_error( $result ) || ! is_object( $result ) ) {
GFCommon::log_error( __METHOD__ . '(): error registering site. ' . print_r( $result, true ) );
return $result;
}
// Updating site key and secret
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
* @access public
*
* @param string $new_license_key_md5 Hash license key to be updated
*
* @return bool Success
*/
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 );
if ( is_wp_error( $result ) ) {
GFCommon::log_debug( __METHOD__ . '(): error updating site registration. ' . print_r( $result, true ) );
return $result;
}
return true;
}
/***
* 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 );
if ( is_wp_error( $result ) ) {
GFCommon::log_debug( __METHOD__ . '(): error updating site registration. ' . print_r( $result, true ) );
return $result;
}
return true;
}
// # HELPERS
private function get_site_auth_header( $site_key, $site_secret ) {
$auth = base64_encode( "{$site_key}:{$site_secret}" );
return array( 'Authorization' => 'GravityAPI ' . $auth );
}
private function get_license_auth_header( $license_key_md5 ) {
$auth = base64_encode( "license:{$license_key_md5}" );
return array( 'Authorization' => 'GravityAPI ' . $auth );
}
public function prepare_response_body( $raw_response ) {
if ( is_wp_error( $raw_response ) ) {
return $raw_response;
} elseif ( $raw_response['response']['code'] != 200 ) {
return new WP_Error( 'server_error', 'Error from server: ' . $raw_response['response']['message'] );
}
$response_body = json_decode( $raw_response['body'] );
if ( $response_body === null ) {
return new WP_Error( 'invalid_response', 'Invalid response from server: ' . $raw_response['body'] );
}
return $response_body;
}
public function purge_site_credentials() {
delete_option( 'gf_site_key' );
delete_option( 'gf_site_secret' );
}
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;
$raw_response = wp_remote_request( $request_url, $options );
return $raw_response;
}
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;
}
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;
}
public function get_gravity_api_url() {
return trailingslashit( GRAVITY_API_URL );
}
public function is_site_registered() {
return $this->get_site_key() && $this->get_site_secret();
}
}
function gapi() {
return Gravity_Api::get_instance();
}
gapi();
}