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class-fs-security.php
86 lines
| 1 | <?php |
| 2 | /** |
| 3 | * @package Freemius |
| 4 | * @copyright Copyright (c) 2015, Freemius, Inc. |
| 5 | * @license https://www.gnu.org/licenses/gpl-3.0.html GNU General Public License Version 3 |
| 6 | * @since 1.0.3 |
| 7 | */ |
| 8 | |
| 9 | if ( ! defined( 'ABSPATH' ) ) { |
| 10 | exit; |
| 11 | } |
| 12 | |
| 13 | define( 'WP_FS__SECURITY_PARAMS_PREFIX', 's_' ); |
| 14 | |
| 15 | /** |
| 16 | * Class FS_Security |
| 17 | */ |
| 18 | class FS_Security { |
| 19 | /** |
| 20 | * @var FS_Security |
| 21 | * @since 1.0.3 |
| 22 | */ |
| 23 | private static $_instance; |
| 24 | /** |
| 25 | * @var FS_Logger |
| 26 | * @since 1.0.3 |
| 27 | */ |
| 28 | private static $_logger; |
| 29 | |
| 30 | /** |
| 31 | * @return \FS_Security |
| 32 | */ |
| 33 | public static function instance() { |
| 34 | if ( ! isset( self::$_instance ) ) { |
| 35 | self::$_instance = new FS_Security(); |
| 36 | self::$_logger = FS_Logger::get_logger( |
| 37 | WP_FS__SLUG, |
| 38 | WP_FS__DEBUG_SDK, |
| 39 | WP_FS__ECHO_DEBUG_SDK |
| 40 | ); |
| 41 | } |
| 42 | |
| 43 | return self::$_instance; |
| 44 | } |
| 45 | |
| 46 | private function __construct() { |
| 47 | } |
| 48 | |
| 49 | /** |
| 50 | * @param \FS_Scope_Entity $entity |
| 51 | * @param int $timestamp |
| 52 | * @param string $action |
| 53 | * |
| 54 | * @return string |
| 55 | */ |
| 56 | function get_secure_token( FS_Scope_Entity $entity, $timestamp, $action = '' ) { |
| 57 | return md5( |
| 58 | $timestamp . |
| 59 | $entity->id . |
| 60 | $entity->secret_key . |
| 61 | $entity->public_key . |
| 62 | $action |
| 63 | ); |
| 64 | } |
| 65 | |
| 66 | /** |
| 67 | * @param \FS_Scope_Entity $entity |
| 68 | * @param int|bool $timestamp |
| 69 | * @param string $action |
| 70 | * |
| 71 | * @return array |
| 72 | */ |
| 73 | function get_context_params( FS_Scope_Entity $entity, $timestamp = false, $action = '' ) { |
| 74 | if ( false === $timestamp ) { |
| 75 | $timestamp = time(); |
| 76 | } |
| 77 | |
| 78 | return array( |
| 79 | 's_ctx_type' => $entity->get_type(), |
| 80 | 's_ctx_id' => $entity->id, |
| 81 | 's_ctx_ts' => $timestamp, |
| 82 | 's_ctx_secure' => $this->get_secure_token( $entity, $timestamp, $action ), |
| 83 | ); |
| 84 | } |
| 85 | } |
| 86 |