| 1 |
<?php |
| 2 |
|
| 3 |
// Do not allow the file to be called directly. |
| 4 |
if ( ! defined( 'ABSPATH' ) ) { |
| 5 |
exit; |
| 6 |
} |
| 7 |
|
| 8 |
/** |
| 9 |
* This class is used to hide the login page, if it's enabled. |
| 10 |
*/ |
| 11 |
class P_Hide_Login extends P_Core { |
| 12 |
/** |
| 13 |
* Add the actions required to hide the login page. |
| 14 |
* |
| 15 |
* @param Patchstack $core |
| 16 |
* @return void |
| 17 |
*/ |
| 18 |
public function __construct( $core ) { |
| 19 |
parent::__construct( $core ); |
| 20 |
|
| 21 |
if ( $this->get_option( 'patchstack_license_free', 0 ) == 1 ) { |
| 22 |
return; |
| 23 |
} |
| 24 |
|
| 25 |
// Update the renamed login page if it's set to our hardcoded one. |
| 26 |
if ( get_site_option( 'patchstack_mv_wp_login' ) == 0 && get_site_option( 'patchstack_rename_wp_login' ) == 'swlogin' ) { |
| 27 |
update_site_option( 'patchstack_rename_wp_login', md5( wp_generate_password( 32, true, true ) ) ); |
| 28 |
} |
| 29 |
|
| 30 |
// No need to continue if it is not enabled. |
| 31 |
if ( ! get_site_option( 'patchstack_mv_wp_login' ) || ! get_site_option( 'patchstack_rename_wp_login' ) ) { |
| 32 |
return; |
| 33 |
} |
| 34 |
|
| 35 |
// Register the filters and actions for the functionality. |
| 36 |
add_action( 'init', array( $this, 'init' ) ); |
| 37 |
add_action( 'wp_logout', array( $this, 'wp_logout' ) ); |
| 38 |
} |
| 39 |
|
| 40 |
/** |
| 41 |
* Deny access to wp-login.php if the login page rename feature is enabled. |
| 42 |
* |
| 43 |
* @return void |
| 44 |
*/ |
| 45 |
public function init() { |
| 46 |
// Do not block the user if they are already logged in as that would block a logout. |
| 47 |
if ( is_user_logged_in() ) { |
| 48 |
return; |
| 49 |
} |
| 50 |
|
| 51 |
// Determine if the user is whitelisted. |
| 52 |
if ( ( stripos( $_SERVER['REQUEST_URI'], 'wp-login.php' ) !== false || $GLOBALS['pagenow'] === 'wp-login.php' || $_SERVER['PHP_SELF'] === '/wp-login.php' ) && !$this->is_whitelisted() ) { |
| 53 |
$this->plugin->firewall_base->display_error_page( 'login' ); |
| 54 |
} |
| 55 |
|
| 56 |
// If the current page is the renamed login page we give the user access for 10 minutes to the login page. |
| 57 |
if ( strpos( $_SERVER['REQUEST_URI'], get_site_option( 'patchstack_rename_wp_login' ) ) !== false ) { |
| 58 |
$this->whitelist_ip(); |
| 59 |
wp_safe_redirect( 'wp-login.php' ); |
| 60 |
exit; |
| 61 |
} |
| 62 |
} |
| 63 |
|
| 64 |
/** |
| 65 |
* If the user is logging out, whitelist them again so they don't see a blocked page. |
| 66 |
* |
| 67 |
* @return void |
| 68 |
*/ |
| 69 |
public function wp_logout() { |
| 70 |
$this->whitelist_ip(); |
| 71 |
} |
| 72 |
|
| 73 |
/** |
| 74 |
* Determine if the IP address is whitelisted. |
| 75 |
* |
| 76 |
* @return boolean |
| 77 |
*/ |
| 78 |
private function is_whitelisted() { |
| 79 |
// Process the whitelist, and remove old ones. |
| 80 |
$whitelist = get_site_option( 'patchstack_rename_wp_login_whitelist', array() ); |
| 81 |
$new_whitelist = array(); |
| 82 |
$allow = false; |
| 83 |
|
| 84 |
// Only continue if there are actually any whitelist entries. |
| 85 |
if ( is_array( $whitelist ) && count( $whitelist ) != 0 ){ |
| 86 |
$ip = $this->get_ip(); |
| 87 |
foreach ( $whitelist as $entry ) { |
| 88 |
|
| 89 |
// Determine if the whitelist entry is still valid. |
| 90 |
if ( ( time() - $entry[1] ) <= 600 ) { |
| 91 |
array_push( $new_whitelist, $entry ); |
| 92 |
|
| 93 |
// Determine if the IP address matches. |
| 94 |
if ( $ip === $entry[0] ) { |
| 95 |
$allow = true; |
| 96 |
} |
| 97 |
} |
| 98 |
} |
| 99 |
|
| 100 |
update_site_option( 'patchstack_rename_wp_login_whitelist', $new_whitelist ); |
| 101 |
} |
| 102 |
|
| 103 |
return $allow; |
| 104 |
} |
| 105 |
|
| 106 |
/** |
| 107 |
* Whitelist the current IP address, or extend the time. |
| 108 |
* |
| 109 |
* @return void |
| 110 |
*/ |
| 111 |
private function whitelist_ip() { |
| 112 |
$whitelist = get_site_option( 'patchstack_rename_wp_login_whitelist', array() ); |
| 113 |
$new_whitelist = array(); |
| 114 |
|
| 115 |
// If the IP address is already whitelisted, reset the timestamp. |
| 116 |
if ( is_array( $whitelist ) && count( $whitelist ) != 0 ) { |
| 117 |
$ip = $this->get_ip(); |
| 118 |
$whitelisted = false; |
| 119 |
foreach ( $whitelist as $entry ) { |
| 120 |
// Determine if we should extend the whitelist time or ignore if already whitelisted. |
| 121 |
if ( $ip === $entry[0] ) { |
| 122 |
$new_whitelist[] = array( $ip, time() ); |
| 123 |
$whitelisted = true; |
| 124 |
} else { |
| 125 |
$new_whitelist[] = $entry; |
| 126 |
} |
| 127 |
} |
| 128 |
|
| 129 |
// Whitelist the IP address. |
| 130 |
if ( ! $whitelisted ) { |
| 131 |
$new_whitelist[] = array( $ip, time() ); |
| 132 |
} |
| 133 |
|
| 134 |
update_site_option( 'patchstack_rename_wp_login_whitelist', $new_whitelist ); |
| 135 |
} else { |
| 136 |
update_site_option( 'patchstack_rename_wp_login_whitelist', array( array( $this->get_ip(), time() ) ) ); |
| 137 |
} |
| 138 |
} |
| 139 |
} |
| 140 |
|
