css_js_min
1 year ago
guest.cls.php
1 year ago
html-min.cls.php
1 year ago
object-cache.php
1 year ago
php-compatibility.func.php
1 year ago
urirewriter.cls.php
1 year ago
guest.cls.php
199 lines
| 1 | <?php |
| 2 | |
| 3 | namespace LiteSpeed\Lib; |
| 4 | |
| 5 | /** |
| 6 | * Update guest vary |
| 7 | * |
| 8 | * @since 4.1 |
| 9 | */ |
| 10 | class Guest |
| 11 | { |
| 12 | const CONF_FILE = '.litespeed_conf.dat'; |
| 13 | const HASH = 'hash'; // Not set-able |
| 14 | const O_CACHE_LOGIN_COOKIE = 'cache-login_cookie'; |
| 15 | const O_DEBUG = 'debug'; |
| 16 | const O_DEBUG_IPS = 'debug-ips'; |
| 17 | const O_UTIL_NO_HTTPS_VARY = 'util-no_https_vary'; |
| 18 | const O_GUEST_UAS = 'guest_uas'; |
| 19 | const O_GUEST_IPS = 'guest_ips'; |
| 20 | |
| 21 | private static $_ip; |
| 22 | private static $_vary_name = '_lscache_vary'; // this default vary cookie is used for logged in status check |
| 23 | private $_conf = false; |
| 24 | |
| 25 | /** |
| 26 | * Constructor |
| 27 | * |
| 28 | * @since 4.1 |
| 29 | */ |
| 30 | public function __construct() |
| 31 | { |
| 32 | !defined('LSCWP_CONTENT_FOLDER') && define('LSCWP_CONTENT_FOLDER', dirname(dirname(dirname(__DIR__)))); |
| 33 | // Load config |
| 34 | $this->_conf = file_get_contents(LSCWP_CONTENT_FOLDER . '/' . self::CONF_FILE); |
| 35 | if ($this->_conf) { |
| 36 | $this->_conf = json_decode($this->_conf, true); |
| 37 | } |
| 38 | |
| 39 | if (!empty($this->_conf[self::O_CACHE_LOGIN_COOKIE])) { |
| 40 | self::$_vary_name = $this->_conf[self::O_CACHE_LOGIN_COOKIE]; |
| 41 | } |
| 42 | } |
| 43 | |
| 44 | /** |
| 45 | * Update Guest vary |
| 46 | * |
| 47 | * @since 4.0 |
| 48 | */ |
| 49 | public function update_guest_vary() |
| 50 | { |
| 51 | // This process must not be cached |
| 52 | /** |
| 53 | * @reference https://wordpress.org/support/topic/soft-404-from-google-search-on-litespeed-cache-guest-vary-php/#post-16838583 |
| 54 | */ |
| 55 | header('X-Robots-Tag: noindex'); |
| 56 | header('X-LiteSpeed-Cache-Control: no-cache'); |
| 57 | |
| 58 | if ($this->always_guest()) { |
| 59 | echo '[]'; |
| 60 | exit; |
| 61 | } |
| 62 | |
| 63 | // If contains vary already, don't reload to avoid infinite loop when parent page having browser cache |
| 64 | if ($this->_conf && self::has_vary()) { |
| 65 | echo '[]'; |
| 66 | exit; |
| 67 | } |
| 68 | |
| 69 | // Send vary cookie |
| 70 | $vary = 'guest_mode:1'; |
| 71 | if ($this->_conf && empty($this->_conf[self::O_DEBUG])) { |
| 72 | $vary = md5($this->_conf[self::HASH] . $vary); |
| 73 | } |
| 74 | |
| 75 | $expire = time() + 2 * 86400; |
| 76 | $is_ssl = !empty($this->_conf[self::O_UTIL_NO_HTTPS_VARY]) ? false : $this->is_ssl(); |
| 77 | setcookie(self::$_vary_name, $vary, $expire, '/', false, $is_ssl, true); |
| 78 | |
| 79 | // return json |
| 80 | echo json_encode(array('reload' => 'yes')); |
| 81 | exit; |
| 82 | } |
| 83 | |
| 84 | /** |
| 85 | * WP's is_ssl() func |
| 86 | * |
| 87 | * @since 4.1 |
| 88 | */ |
| 89 | private function is_ssl() |
| 90 | { |
| 91 | if (isset($_SERVER['HTTPS'])) { |
| 92 | if ('on' === strtolower($_SERVER['HTTPS'])) { |
| 93 | return true; |
| 94 | } |
| 95 | |
| 96 | if ('1' == $_SERVER['HTTPS']) { |
| 97 | return true; |
| 98 | } |
| 99 | } elseif (isset($_SERVER['SERVER_PORT']) && ('443' == $_SERVER['SERVER_PORT'])) { |
| 100 | return true; |
| 101 | } |
| 102 | return false; |
| 103 | } |
| 104 | |
| 105 | /** |
| 106 | * Check if default vary has a value |
| 107 | * |
| 108 | * @since 1.1.3 |
| 109 | * @access public |
| 110 | */ |
| 111 | public static function has_vary() |
| 112 | { |
| 113 | if (empty($_COOKIE[self::$_vary_name])) { |
| 114 | return false; |
| 115 | } |
| 116 | return $_COOKIE[self::$_vary_name]; |
| 117 | } |
| 118 | |
| 119 | /** |
| 120 | * Detect if is a guest visitor or not |
| 121 | * |
| 122 | * @since 4.0 |
| 123 | */ |
| 124 | public function always_guest() |
| 125 | { |
| 126 | if (empty($_SERVER['HTTP_USER_AGENT'])) { |
| 127 | return false; |
| 128 | } |
| 129 | |
| 130 | if ($this->_conf[self::O_GUEST_UAS]) { |
| 131 | $quoted_uas = array(); |
| 132 | foreach ($this->_conf[self::O_GUEST_UAS] as $v) { |
| 133 | $quoted_uas[] = preg_quote($v, '#'); |
| 134 | } |
| 135 | $match = preg_match('#' . implode('|', $quoted_uas) . '#i', $_SERVER['HTTP_USER_AGENT']); |
| 136 | if ($match) { |
| 137 | return true; |
| 138 | } |
| 139 | } |
| 140 | |
| 141 | if ($this->ip_access($this->_conf[self::O_GUEST_IPS])) { |
| 142 | return true; |
| 143 | } |
| 144 | |
| 145 | return false; |
| 146 | } |
| 147 | |
| 148 | /** |
| 149 | * Check if the ip is in the range |
| 150 | * |
| 151 | * @since 1.1.0 |
| 152 | * @access public |
| 153 | */ |
| 154 | public function ip_access($ip_list) |
| 155 | { |
| 156 | if (!$ip_list) { |
| 157 | return false; |
| 158 | } |
| 159 | if (!isset(self::$_ip)) { |
| 160 | self::$_ip = self::get_ip(); |
| 161 | } |
| 162 | // $uip = explode('.', $_ip); |
| 163 | // if(empty($uip) || count($uip) != 4) Return false; |
| 164 | // foreach($ip_list as $key => $ip) $ip_list[$key] = explode('.', trim($ip)); |
| 165 | // foreach($ip_list as $key => $ip) { |
| 166 | // if(count($ip) != 4) continue; |
| 167 | // for($i = 0; $i <= 3; $i++) if($ip[$i] == '*') $ip_list[$key][$i] = $uip[$i]; |
| 168 | // } |
| 169 | return in_array(self::$_ip, $ip_list); |
| 170 | } |
| 171 | |
| 172 | /** |
| 173 | * Get client ip |
| 174 | * |
| 175 | * @since 1.1.0 |
| 176 | * @since 1.6.5 changed to public |
| 177 | * @access public |
| 178 | * @return string |
| 179 | */ |
| 180 | public static function get_ip() |
| 181 | { |
| 182 | $_ip = ''; |
| 183 | if (function_exists('apache_request_headers')) { |
| 184 | $apache_headers = apache_request_headers(); |
| 185 | $_ip = !empty($apache_headers['True-Client-IP']) ? $apache_headers['True-Client-IP'] : false; |
| 186 | if (!$_ip) { |
| 187 | $_ip = !empty($apache_headers['X-Forwarded-For']) ? $apache_headers['X-Forwarded-For'] : false; |
| 188 | $_ip = explode(',', $_ip); |
| 189 | $_ip = $_ip[0]; |
| 190 | } |
| 191 | } |
| 192 | |
| 193 | if (!$_ip) { |
| 194 | $_ip = !empty($_SERVER['REMOTE_ADDR']) ? $_SERVER['REMOTE_ADDR'] : false; |
| 195 | } |
| 196 | return $_ip; |
| 197 | } |
| 198 | } |
| 199 |