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<?php

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/**

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* @package Freemius

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* @license https://www.gnu.org/licenses/gpl-3.0.html GNU General Public License Version 3

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* @since 1.0.3

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if ( ! defined( 'ABSPATH' ) ) {

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exit;

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}

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define( 'WP_FS__SECURITY_PARAMS_PREFIX', 's_' );

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/**

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* Class FS_Security

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class FS_Security {

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/**

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* @var FS_Security

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* @since 1.0.3

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private static $_instance;

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/**

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* @var FS_Logger

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* @since 1.0.3

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private static $_logger;

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/**

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* @return \FS_Security

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public static function instance() {

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if ( ! isset( self::$_instance ) ) {

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self::$_instance = new FS_Security();

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self::$_logger = FS_Logger::get_logger(

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WP_FS__SLUG,

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WP_FS__DEBUG_SDK,

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WP_FS__ECHO_DEBUG_SDK

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);

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}

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return self::$_instance;

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}

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private function __construct() {

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}

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/**

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* @param \FS_Scope_Entity $entity

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* @param int $timestamp

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* @param string $action

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* @return string

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function get_secure_token( FS_Scope_Entity $entity, $timestamp, $action = '' ) {

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return md5(

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$timestamp .

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$entity->id .

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$entity->secret_key .

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$entity->public_key .

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$action

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);

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}

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/**

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* @param \FS_Scope_Entity $entity

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* @param int|bool $timestamp

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* @param string $action

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* @return array

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function get_context_params( FS_Scope_Entity $entity, $timestamp = false, $action = '' ) {

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if ( false === $timestamp ) {

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$timestamp = time();

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}

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return array(

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's_ctx_type' => $entity->get_type(),

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's_ctx_id' => $entity->id,

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's_ctx_ts' => $timestamp,

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's_ctx_secure' => $this->get_secure_token( $entity, $timestamp, $action ),

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);

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}

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}

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