<?php
if ( ! defined( 'ABSPATH' ) ) {
die( 'You are not allowed to call this page directly.' );
}
class FrmFormApi {
protected $license = '';
protected $cache_key = '';
protected $cache_timeout = '+6 hours';
/**
* The number of days an add-on is new.
*
* @var int $new_days
*/
protected $new_days = 90;
/**
* @since 3.06
*/
public function __construct( $license = null ) {
$this->set_license( $license );
$this->set_cache_key();
}
/**
* @since 3.06
*
* @return void
*/
private function set_license( $license ) {
if ( $license === null ) {
$edd_update = $this->get_pro_updater();
if ( ! empty( $edd_update ) ) {
$license = $edd_update->license;
}
}
$this->license = $license;
}
/**
* @since 3.06
* @return string
*/
public function get_license() {
return $this->license;
}
/**
* @since 3.06
*
* @return void
*/
protected function set_cache_key() {
$this->cache_key = 'frm_addons_l' . ( empty( $this->license ) ? '' : md5( $this->license ) );
}
/**
* @since 3.06
* @return string
*/
public function get_cache_key() {
return $this->cache_key;
}
/**
* @since 3.06
* @return array
*/
public function get_api_info() {
$url = $this->api_url();
if ( ! empty( $this->license ) ) {
$url .= '?l=' . urlencode( base64_encode( $this->license ) );
}
$addons = $this->get_cached();
if ( is_array( $addons ) ) {
return $addons;
}
// We need to know the version number to allow different downloads.
$agent = 'formidable/' . FrmAppHelper::plugin_version();
if ( class_exists( 'FrmProDb' ) ) {
$agent = 'formidable-pro/' . FrmProDb::$plug_version;
}
$response = wp_remote_get(
$url,
array(
'timeout' => 25,
'user-agent' => $agent . '; ' . get_bloginfo( 'url' ),
)
);
if ( is_array( $response ) && ! is_wp_error( $response ) ) {
$addons = $response['body'] ? json_decode( $response['body'], true ) : array();
}
if ( ! is_array( $addons ) ) {
$addons = array();
}
foreach ( $addons as $k => $addon ) {
if ( ! is_array( $addon ) ) {
continue;
}
if ( isset( $addon['categories'] ) ) {
$cats = array_intersect( $this->skip_categories(), $addon['categories'] );
if ( ! empty( $cats ) ) {
unset( $addons[ $k ] );
continue;
}
}
if ( ! array_key_exists( 'is_new', $addon ) && array_key_exists( 'released', $addon ) ) {
$addons[ $k ]['is_new'] = $this->is_new( $addon );
}
}
$this->set_cached( $addons );
return $addons;
}
/**
* @since 3.06
*
* @return string
*/
protected function api_url() {
return 'https://formidableforms.com/wp-json/s11edd/v1/updates/';
}
/**
* @since 3.06
*
* @return string[]
*/
protected function skip_categories() {
return array( 'WordPress Form Templates', 'WordPress Form Style Templates' );
}
/**
* @since 3.06
*
* @param object $license_plugin The FrmAddon object.
* @param array $addons
*
* @return array
*/
public function get_addon_for_license( $license_plugin, $addons = array() ) {
if ( empty( $addons ) ) {
$addons = $this->get_api_info();
}
$download_id = $license_plugin->download_id;
$plugin = array();
if ( empty( $download_id ) && ! empty( $addons ) ) {
foreach ( $addons as $addon ) {
if ( strtolower( $license_plugin->plugin_name ) == strtolower( $addon['title'] ) ) {
return $addon;
}
}
} elseif ( isset( $addons[ $download_id ] ) ) {
$plugin = $addons[ $download_id ];
}
return $plugin;
}
/**
* @since 3.06
*/
public function get_pro_updater() {
if ( FrmAppHelper::pro_is_installed() && is_callable( 'FrmProAppHelper::get_updater' ) ) {
$updater = FrmProAppHelper::get_updater();
$this->set_license( $updater->license );
return $updater;
}
return false;
}
/**
* @since 3.06
* @return array
*/
protected function get_cached() {
$cache = get_option( $this->cache_key );
FrmAppHelper::filter_gmt_offset();
if ( empty( $cache ) || empty( $cache['timeout'] ) || current_time( 'timestamp' ) > $cache['timeout'] ) {
// Cache is expired.
return false;
}
$version = FrmAppHelper::plugin_version();
$for_current = isset( $cache['version'] ) && $cache['version'] == $version;
if ( ! $for_current ) {
// Force a new check.
return false;
}
return json_decode( $cache['value'], true );
}
/**
* @since 3.06
*
* @param array $addons
*
* @return void
*/
protected function set_cached( $addons ) {
FrmAppHelper::filter_gmt_offset();
$data = array(
'timeout' => strtotime( $this->cache_timeout, current_time( 'timestamp' ) ),
'value' => json_encode( $addons ),
'version' => FrmAppHelper::plugin_version(),
);
update_option( $this->cache_key, $data, 'no' );
}
/**
* @since 3.06
*
* @return void
*/
public function reset_cached() {
delete_option( $this->cache_key );
}
/**
* @since 3.06
* @return array
*/
public function error_for_license() {
$errors = array();
if ( ! empty( $this->license ) ) {
$errors = $this->get_error_from_response();
}
return $errors;
}
/**
* @since 3.06
* @return array
*/
public function get_error_from_response( $addons = array() ) {
if ( empty( $addons ) ) {
$addons = $this->get_api_info();
}
$errors = array();
if ( isset( $addons['error'] ) ) {
if ( is_string( $addons['error'] ) ) {
$errors[] = $addons['error'];
} elseif ( ! empty( $addons['error']['message'] ) ) {
$errors[] = $addons['error']['message'];
}
do_action( 'frm_license_error', $addons['error'] );
}
return $errors;
}
/**
* Check if a template is new.
*
* @since 6.0
*
* @param array $addon
* @return bool
*/
protected function is_new( $addon ) {
return strtotime( $addon['released'] ) > strtotime( '-' . $this->new_days . ' days' );
}
}
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