| @@ -1,644 +1,619 @@ | ||
| 1 | -<?php if (! defined('ABSPATH')) exit; // Exit if accessed directly | |
| 2 | -interface HC3_Session_ | |
| 3 | -{ | |
| 4 | - public function getFlashdata( $key ); | |
| 5 | - public function setFlashdata( $key, $value, $append = FALSE ); | |
| 6 | - | |
| 7 | - public function getUserdata( $key ); | |
| 8 | - public function setUserdata( $key, $value, $append = FALSE ); | |
| 9 | - public function unsetUserdata( $key ); | |
| 10 | -} | |
| 11 | - | |
| 12 | -class HC3_Session implements HC3_Session_ | |
| 13 | -{ | |
| 14 | - protected $_started = FALSE; | |
| 15 | - | |
| 16 | - protected $_prefix = 'hitcode_'; | |
| 17 | - protected $request = NULL; | |
| 18 | - protected $encrypt = NULL; | |
| 19 | - | |
| 20 | - protected $encryption_key = NULL; | |
| 21 | - | |
| 22 | - protected $sess_encrypt_cookie = FALSE; | |
| 23 | - protected $sess_expiration = 7200; | |
| 24 | - protected $sess_expire_on_close = FALSE; | |
| 25 | - protected $sess_match_ip = FALSE; | |
| 26 | - protected $sess_match_useragent = FALSE; | |
| 27 | - protected $sess_cookie_name = 'hc3_session'; | |
| 28 | - protected $cookie_prefix = ''; | |
| 29 | - protected $cookie_path = ''; | |
| 30 | - protected $cookie_domain = ''; | |
| 31 | - protected $cookie_secure = FALSE; | |
| 32 | - protected $sess_time_to_update = 300; | |
| 33 | - protected $flashdata_key = 'flash'; | |
| 34 | - protected $time_reference = 'time'; | |
| 35 | - protected $userdata = array(); | |
| 36 | - protected $now; | |
| 37 | - | |
| 38 | - protected $builtin_props = array( | |
| 39 | - 'session_id', | |
| 40 | - 'ip_address', | |
| 41 | - 'user_agent', | |
| 42 | - 'last_activity', | |
| 43 | - 'user_data' | |
| 44 | - ); | |
| 45 | - | |
| 46 | - /** | |
| 47 | - * Session Constructor | |
| 48 | - * | |
| 49 | - * The constructor runs the session routines automatically | |
| 50 | - * whenever the class is instantiated. | |
| 51 | - */ | |
| 52 | - | |
| 53 | - public static function instance() | |
| 54 | - { | |
| 55 | - static $ret = NULL; | |
| 56 | - if( NULL === $ret ){ | |
| 57 | - $ret = new static; | |
| 58 | - } | |
| 59 | - return $ret; | |
| 60 | - } | |
| 61 | - | |
| 62 | - public static function start() | |
| 63 | - { | |
| 64 | - $sessionId = session_id(); | |
| 65 | - if( ! $sessionId ){ | |
| 66 | - $sessionOptions = array(); | |
| 67 | - // $sessionOptions = array( 'read_and_close' => TRUE ); | |
| 68 | - // @session_start( $sessionOptions ); | |
| 69 | - } | |
| 70 | - } | |
| 71 | - | |
| 72 | - public function __construct( $prefix = 'shiftcontroller4' ) | |
| 73 | - { | |
| 74 | - // $this->request = $request; | |
| 75 | - $this->_prefix = $prefix; | |
| 76 | - | |
| 77 | - $this->encryption_key = md5(__FILE__); | |
| 78 | - | |
| 79 | - static::start(); | |
| 80 | - | |
| 81 | - // Set the "now" time. Can either be GMT or server time, based on the | |
| 82 | - // config prefs. We use this to set the "last activity" time | |
| 83 | - $this->now = $this->_get_time(); | |
| 84 | - | |
| 85 | - // Set the session length. If the session expiration is | |
| 86 | - // set to zero we'll set the expiration two years from now. | |
| 87 | - if ($this->sess_expiration == 0){ | |
| 88 | - $this->sess_expiration = (60*60*24*365*2); | |
| 89 | - } | |
| 90 | - | |
| 91 | - // Set the cookie name | |
| 92 | - // $this->sess_cookie_name = $this->cookie_prefix . $this->sess_cookie_name . '_' . $this->_prefix; | |
| 93 | - $this->sess_cookie_name = $this->cookie_prefix . $this->sess_cookie_name; | |
| 94 | - | |
| 95 | - // Run the Session routine. If a session doesn't exist we'll | |
| 96 | - // create a new one. If it does, we'll update it. | |
| 97 | - if ( ! $this->sess_read()){ | |
| 98 | - $this->sess_create(); | |
| 99 | - } | |
| 100 | - else { | |
| 101 | - $this->sess_update(); | |
| 102 | - } | |
| 103 | - | |
| 104 | - // Delete 'old' flashdata (from last request) | |
| 105 | - $this->_flashdata_sweep(); | |
| 106 | - | |
| 107 | - // Mark all new flashdata as old (data will be deleted before next request) | |
| 108 | - $this->_flashdata_mark(); | |
| 109 | - } | |
| 110 | - | |
| 111 | - // -------------------------------------------------------------------- | |
| 112 | - | |
| 113 | - /** | |
| 114 | - * Fetch the current session data if it exists | |
| 115 | - * | |
| 116 | - * @access public | |
| 117 | - * @return bool | |
| 118 | - */ | |
| 119 | - function sess_read() | |
| 120 | - { | |
| 121 | - // Fetch the cookie | |
| 122 | - $session = array_key_exists($this->sess_cookie_name, $_COOKIE) ? $_COOKIE[$this->sess_cookie_name] : FALSE; | |
| 123 | - | |
| 124 | - // No cookie? Goodbye cruel world!... | |
| 125 | - if ($session === FALSE) | |
| 126 | - { | |
| 127 | - // log_message('debug', 'A session cookie was not found.'); | |
| 128 | - return FALSE; | |
| 129 | - } | |
| 130 | - | |
| 131 | - // Decrypt the cookie data | |
| 132 | - if( $this->encrypt ){ | |
| 133 | - $session = $this->encrypt->decode($session); | |
| 134 | - } | |
| 135 | - else { | |
| 136 | - // encryption was not used, so we need to check the md5 hash | |
| 137 | - $hash = substr($session, strlen($session)-32); // get last 32 chars | |
| 138 | - $session = substr($session, 0, strlen($session)-32); | |
| 139 | - | |
| 140 | - // Does the md5 hash match? This is to prevent manipulation of session data in userspace | |
| 141 | - if ($hash !== md5($session.$this->encryption_key)){ | |
| 142 | - // echo 'The session cookie data did not match what was expected. This could be a possible malicious attempt.'; | |
| 143 | - $this->sess_destroy(); | |
| 144 | - return FALSE; | |
| 145 | - } | |
| 146 | - } | |
| 147 | - | |
| 148 | - // Unserialize the session array | |
| 149 | - $session = $this->_unserialize($session); | |
| 150 | - | |
| 151 | - // Is the session data we unserialized an array with the correct format? | |
| 152 | - if ( ! is_array($session) OR ! isset($session['session_id']) OR ! isset($session['ip_address']) OR ! isset($session['user_agent']) OR ! isset($session['last_activity'])){ | |
| 153 | - $this->sess_destroy(); | |
| 154 | - return FALSE; | |
| 155 | - } | |
| 156 | - | |
| 157 | - // Is the session current? | |
| 158 | - if (($session['last_activity'] + $this->sess_expiration) < $this->now){ | |
| 159 | - $this->sess_destroy(); | |
| 160 | - return FALSE; | |
| 161 | - } | |
| 162 | - | |
| 163 | - // Session is valid! | |
| 164 | - $this->userdata = $session; | |
| 165 | - unset($session); | |
| 166 | - | |
| 167 | - return TRUE; | |
| 168 | - } | |
| 169 | - | |
| 170 | - // -------------------------------------------------------------------- | |
| 171 | - | |
| 172 | - /** | |
| 173 | - * Write the session data | |
| 174 | - * | |
| 175 | - * @access public | |
| 176 | - * @return void | |
| 177 | - */ | |
| 178 | - function sess_write() | |
| 179 | - { | |
| 180 | - $this->_set_cookie(); | |
| 181 | - } | |
| 182 | - | |
| 183 | - // -------------------------------------------------------------------- | |
| 184 | - | |
| 185 | - /** | |
| 186 | - * Create a new session | |
| 187 | - * | |
| 188 | - * @access public | |
| 189 | - * @return void | |
| 190 | - */ | |
| 191 | - function sess_create() | |
| 192 | - { | |
| 193 | - $sessid = ''; | |
| 194 | - while (strlen($sessid) < 32){ | |
| 195 | - $sessid .= mt_rand(0, mt_getrandmax()); | |
| 196 | - } | |
| 197 | - | |
| 198 | - // To make the session ID even more secure we'll combine it with the user's IP | |
| 199 | - // $sessid .= $this->request->getIpAddress(); | |
| 200 | - | |
| 201 | - $this->userdata = array( | |
| 202 | - 'session_id' => md5(uniqid($sessid, TRUE)), | |
| 203 | - // 'ip_address' => $this->request->getIpAddress(), | |
| 204 | - // 'user_agent' => substr($this->request->getUserAgent(), 0, 120), | |
| 205 | - 'last_activity' => $this->now, | |
| 206 | - 'user_data' => '' | |
| 207 | - ); | |
| 208 | - | |
| 209 | - // Write the cookie | |
| 210 | - $this->_set_cookie(); | |
| 211 | - } | |
| 212 | - | |
| 213 | - // -------------------------------------------------------------------- | |
| 214 | - | |
| 215 | - /** | |
| 216 | - * Update an existing session | |
| 217 | - * | |
| 218 | - * @access public | |
| 219 | - * @return void | |
| 220 | - */ | |
| 221 | - function sess_update() | |
| 222 | - { | |
| 223 | - // We only update the session every five minutes by default | |
| 224 | - if (($this->userdata['last_activity'] + $this->sess_time_to_update) >= $this->now) | |
| 225 | - { | |
| 226 | - return; | |
| 227 | - } | |
| 228 | - | |
| 229 | - // Save the old session id so we know which record to | |
| 230 | - // update in the database if we need it | |
| 231 | - $old_sessid = $this->userdata['session_id']; | |
| 232 | - $new_sessid = ''; | |
| 233 | - while (strlen($new_sessid) < 32) | |
| 234 | - { | |
| 235 | - $new_sessid .= mt_rand(0, mt_getrandmax()); | |
| 236 | - } | |
| 237 | - | |
| 238 | - // To make the session ID even more secure we'll combine it with the user's IP | |
| 239 | - // $new_sessid .= $this->request->getIpAddress(); | |
| 240 | - | |
| 241 | - // Turn it into a hash | |
| 242 | - $new_sessid = md5(uniqid($new_sessid, TRUE)); | |
| 243 | - | |
| 244 | - // Update the session data in the session data array | |
| 245 | - $this->userdata['session_id'] = $new_sessid; | |
| 246 | - $this->userdata['last_activity'] = $this->now; | |
| 247 | - | |
| 248 | - // _set_cookie() will handle this for us if we aren't using database sessions | |
| 249 | - // by pushing all userdata to the cookie. | |
| 250 | - $cookie_data = NULL; | |
| 251 | - | |
| 252 | - // Write the cookie | |
| 253 | - $this->_set_cookie($cookie_data); | |
| 254 | - } | |
| 255 | - | |
| 256 | - // -------------------------------------------------------------------- | |
| 257 | - | |
| 258 | - /** | |
| 259 | - * Destroy the current session | |
| 260 | - * | |
| 261 | - * @access public | |
| 262 | - * @return void | |
| 263 | - */ | |
| 264 | - function sess_destroy() | |
| 265 | - { | |
| 266 | - // Kill the cookie | |
| 267 | - @setcookie( | |
| 268 | - $this->sess_cookie_name, | |
| 269 | - // addslashes(serialize(array())), | |
| 270 | - addslashes(json_encode(array())), | |
| 271 | - ($this->now - 31500000), | |
| 272 | - $this->cookie_path, | |
| 273 | - $this->cookie_domain, | |
| 274 | - 0 | |
| 275 | - ); | |
| 276 | - | |
| 277 | - // Kill session data | |
| 278 | - $this->userdata = array(); | |
| 279 | - } | |
| 280 | - | |
| 281 | - // -------------------------------------------------------------------- | |
| 282 | - | |
| 283 | - /** | |
| 284 | - * Fetch all session data | |
| 285 | - * | |
| 286 | - * @access public | |
| 287 | - * @return array | |
| 288 | - */ | |
| 289 | - function all_userdata() | |
| 290 | - { | |
| 291 | - $ret = array(); | |
| 292 | - if( ! isset($_SESSION) ) return $ret; | |
| 293 | - | |
| 294 | - $prefix = $this->getPrefix(); | |
| 295 | - | |
| 296 | - /* get flash data we store in _SESSION */ | |
| 297 | - foreach( $_SESSION as $key => $v ){ | |
| 298 | - if( ! (substr($key, 0, strlen($prefix)) == $prefix) ) | |
| 299 | - continue; | |
| 300 | - $my_key = substr($key, strlen($prefix) ); | |
| 301 | - $ret[ $my_key ] = $v; | |
| 302 | - } | |
| 303 | - | |
| 304 | - $parent_ret = $this->userdata; | |
| 305 | - $ret = array_merge( $ret, $parent_ret ); | |
| 306 | - return $ret; | |
| 307 | - } | |
| 308 | - | |
| 309 | - public function getPrefix() | |
| 310 | - { | |
| 311 | - $ret = $this->_prefix; | |
| 312 | - | |
| 313 | - $isWpAdmin = FALSE; | |
| 314 | - | |
| 315 | - if( defined('WPINC') && is_admin() ){ | |
| 316 | - $isWpAdmin = TRUE; | |
| 317 | - } | |
| 318 | - else { | |
| 319 | - if( isset($_GET['hca']) && ('admin' == substr($_GET['hca'], 0, strlen('admin'))) ){ | |
| 320 | - $isWpAdmin = TRUE; | |
| 321 | - } | |
| 322 | - } | |
| 323 | - | |
| 324 | - if( $isWpAdmin ){ | |
| 325 | - $ret .= '_wpadmin_'; | |
| 326 | - } | |
| 327 | - | |
| 328 | - return $ret; | |
| 329 | - } | |
| 330 | - | |
| 331 | - public function getUserdata($item) | |
| 332 | - { | |
| 333 | - if( function_exists('get_user_meta') && function_exists('get_current_user_id') && ($currentUserId = get_current_user_id()) ){ | |
| 334 | - $prefix = $this->getPrefix(); | |
| 335 | - | |
| 336 | - if( ( false === strpos($prefix, '_wpadmin_')) && ('scheduleView' == substr($item, 0, strlen('scheduleView'))) ){ | |
| 337 | - if( function_exists('get_the_ID') ){ | |
| 338 | - $pageId = get_the_ID(); | |
| 339 | - $prefix .= '_' . $pageId . '_'; | |
| 340 | - } | |
| 341 | - } | |
| 342 | - | |
| 343 | - $userMetaName = $prefix . $item; | |
| 344 | -// echo "GET USER DATA '$item' AS META '$userMetaName'<br>"; | |
| 345 | - return get_user_meta( $currentUserId, $userMetaName, true ); | |
| 346 | - } | |
| 347 | - else { | |
| 348 | - $my_key = $this->getPrefix() . $item; | |
| 349 | - if( isset($_SESSION[$my_key]) ){ | |
| 350 | - return $_SESSION[$my_key]; | |
| 351 | - } | |
| 352 | - return ( ! isset($this->userdata[$item])) ? FALSE : $this->userdata[$item]; | |
| 353 | - } | |
| 354 | - } | |
| 355 | - | |
| 356 | - public function setUserdata( $key, $value, $append = FALSE ) | |
| 357 | - { | |
| 358 | - // use user meta | |
| 359 | - if( function_exists('update_user_meta') && function_exists('get_current_user_id') && ($currentUserId = get_current_user_id()) ){ | |
| 360 | - $prefix = $this->getPrefix(); | |
| 361 | - | |
| 362 | - if( ( false === strpos($prefix, '_wpadmin_')) && ('scheduleView' == substr($key, 0, strlen('scheduleView'))) ){ | |
| 363 | - if( function_exists('get_the_ID') ){ | |
| 364 | - $pageId = get_the_ID(); | |
| 365 | - $prefix .= '_' . $pageId . '_'; | |
| 366 | - } | |
| 367 | - } | |
| 368 | - | |
| 369 | - $userMetaName = $prefix . $key; | |
| 370 | - update_user_meta( $currentUserId, $userMetaName, $value ); | |
| 371 | - } | |
| 372 | - else { | |
| 373 | - static::start(); | |
| 374 | - $prefix = $this->getPrefix(); | |
| 375 | - | |
| 376 | - $newdata = array( $key => $value ); | |
| 377 | - | |
| 378 | - $parent_newdata = array(); | |
| 379 | - if (count($newdata) > 0){ | |
| 380 | - $parent_newdata = array(); | |
| 381 | - foreach ($newdata as $key => $val){ | |
| 382 | - if( ! in_array($key, $this->builtin_props) ){ | |
| 383 | - $my_key = $prefix . $key; | |
| 384 | - if( $append ){ | |
| 385 | - if( ! isset($_SESSION[$my_key]) ) | |
| 386 | - $_SESSION[$my_key] = array(); | |
| 387 | - if( ! is_array($_SESSION[$my_key]) ) | |
| 388 | - $_SESSION[$my_key] = array( $_SESSION[$my_key] ); | |
| 389 | - $_SESSION[$my_key][] = $val; | |
| 390 | - } | |
| 391 | - else { | |
| 392 | - $_SESSION[$my_key] = $val; | |
| 393 | - } | |
| 394 | - } | |
| 395 | - else { | |
| 396 | - $parent_newdata[ $key ] = $val; | |
| 397 | - } | |
| 398 | - } | |
| 399 | - } | |
| 400 | - | |
| 401 | - if( $parent_newdata ){ | |
| 402 | - if (count($parent_newdata) > 0){ | |
| 403 | - foreach( $parent_newdata as $key => $val){ | |
| 404 | - $this->userdata[$key] = $val; | |
| 405 | - } | |
| 406 | - } | |
| 407 | - $this->sess_write(); | |
| 408 | - } | |
| 409 | - } | |
| 410 | - | |
| 411 | - return $this; | |
| 412 | - } | |
| 413 | - | |
| 414 | - // -------------------------------------------------------------------- | |
| 415 | - | |
| 416 | - /** | |
| 417 | - * Delete a session variable from the "userdata" array | |
| 418 | - * | |
| 419 | - * @access array | |
| 420 | - * @return void | |
| 421 | - */ | |
| 422 | - public function unsetUserdata( $key ) | |
| 423 | - { | |
| 424 | - if( function_exists('delete_user_meta') && function_exists('get_current_user_id') && ($currentUserId = get_current_user_id()) ){ | |
| 425 | - $prefix = $this->getPrefix(); | |
| 426 | - | |
| 427 | - if( ( false === strpos($prefix, '_wpadmin_')) && ('scheduleView' == substr($key, 0, strlen('scheduleView'))) ){ | |
| 428 | - if( function_exists('get_the_ID') ){ | |
| 429 | - $pageId = get_the_ID(); | |
| 430 | - $prefix .= '_' . $pageId . '_'; | |
| 431 | - } | |
| 432 | - } | |
| 433 | - | |
| 434 | - $userMetaName = $prefix . $key; | |
| 435 | - delete_user_meta( $currentUserId, $userMetaName ); | |
| 436 | - } | |
| 437 | - else { | |
| 438 | - static::start(); | |
| 439 | - $parent_newdata = array(); | |
| 440 | - | |
| 441 | - if( ! in_array($key, $this->builtin_props) ){ | |
| 442 | - $my_key = $this->getPrefix() . $key; | |
| 443 | - unset($_SESSION[$my_key]); | |
| 444 | - } | |
| 445 | - else { | |
| 446 | - $parent_newdata[ $key ] = $val; | |
| 447 | - } | |
| 448 | - | |
| 449 | - if( $parent_newdata ){ | |
| 450 | - foreach ($parent_newdata as $key => $val){ | |
| 451 | - unset($this->userdata[$key]); | |
| 452 | - } | |
| 453 | - $this->sess_write(); | |
| 454 | - } | |
| 455 | - } | |
| 456 | - | |
| 457 | - return $this; | |
| 458 | - } | |
| 459 | - | |
| 460 | - public function setFlashdata( $name, $value, $append = FALSE ) | |
| 461 | - { | |
| 462 | - // use transients | |
| 463 | - if( function_exists('set_transient') && function_exists('get_current_user_id') && ($currentUserId = get_current_user_id()) ){ | |
| 464 | - $prefix = $this->getPrefix(); | |
| 465 | - $prefix = $prefix . $currentUserId . '_'; | |
| 466 | - $transientName = $prefix . $name; | |
| 467 | - set_transient( $transientName, $value, 60 ); | |
| 468 | - } | |
| 469 | - else { | |
| 470 | - $newdata = array( $name => $value ); | |
| 471 | - foreach( $newdata as $key => $val ){ | |
| 472 | - $flashdata_key = $this->flashdata_key.':new:'.$key; | |
| 473 | - $this->setUserdata( $flashdata_key, $val, $append ); | |
| 474 | - } | |
| 475 | - } | |
| 476 | - | |
| 477 | - return $this; | |
| 478 | - } | |
| 479 | - | |
| 480 | - function getFlashdata( $key ) | |
| 481 | - { | |
| 482 | - static $cache = array(); | |
| 483 | - if( array_key_exists($key, $cache) ){ | |
| 484 | - return $cache[$key]; | |
| 485 | - } | |
| 486 | - | |
| 487 | - if( function_exists('get_transient') && function_exists('get_current_user_id') && ($currentUserId = get_current_user_id()) ){ | |
| 488 | - $prefix = $this->getPrefix(); | |
| 489 | - $prefix = $prefix . $currentUserId . '_'; | |
| 490 | - $transientName = $prefix . $key; | |
| 491 | - $ret = get_transient( $transientName ); | |
| 492 | - delete_transient( $transientName ); | |
| 493 | - } | |
| 494 | - else { | |
| 495 | - $flashdata_key = $this->flashdata_key.':old:'.$key; | |
| 496 | - $ret = $this->getUserdata($flashdata_key); | |
| 497 | - } | |
| 498 | - | |
| 499 | - $cache[ $key ] = $ret; | |
| 500 | - return $ret; | |
| 501 | - } | |
| 502 | - | |
| 503 | - // ------------------------------------------------------------------------ | |
| 504 | - | |
| 505 | - /** | |
| 506 | - * Identifies flashdata as 'old' for removal | |
| 507 | - * when _flashdata_sweep() runs. | |
| 508 | - * | |
| 509 | - * @access private | |
| 510 | - * @return void | |
| 511 | - */ | |
| 512 | - protected function _flashdata_mark() | |
| 513 | - { | |
| 514 | - $userdata = $this->all_userdata(); | |
| 515 | - foreach ($userdata as $name => $value) | |
| 516 | - { | |
| 517 | - $parts = explode(':new:', $name); | |
| 518 | - if (is_array($parts) && count($parts) === 2) | |
| 519 | - { | |
| 520 | - $new_name = $this->flashdata_key.':old:'.$parts[1]; | |
| 521 | - $this->setUserdata($new_name, $value); | |
| 522 | - $this->unsetUserdata($name); | |
| 523 | - } | |
| 524 | - } | |
| 525 | - } | |
| 526 | - | |
| 527 | - // ------------------------------------------------------------------------ | |
| 528 | - | |
| 529 | - /** | |
| 530 | - * Removes all flashdata marked as 'old' | |
| 531 | - * | |
| 532 | - * @access private | |
| 533 | - * @return void | |
| 534 | - */ | |
| 535 | - | |
| 536 | - protected function _flashdata_sweep() | |
| 537 | - { | |
| 538 | - $userdata = $this->all_userdata(); | |
| 539 | - foreach ($userdata as $key => $value){ | |
| 540 | - if (strpos($key, ':old:')){ | |
| 541 | - $this->unsetUserdata($key); | |
| 542 | - } | |
| 543 | - } | |
| 544 | - } | |
| 545 | - | |
| 546 | - protected function _get_time() | |
| 547 | - { | |
| 548 | - if (strtolower($this->time_reference) == 'gmt'){ | |
| 549 | - $now = time(); | |
| 550 | - $time = mktime(gmdate("H", $now), gmdate("i", $now), gmdate("s", $now), gmdate("m", $now), gmdate("d", $now), gmdate("Y", $now)); | |
| 551 | - } | |
| 552 | - else { | |
| 553 | - $time = time(); | |
| 554 | - } | |
| 555 | - | |
| 556 | - return $time; | |
| 557 | - } | |
| 558 | - | |
| 559 | - // -------------------------------------------------------------------- | |
| 560 | - | |
| 561 | - /** | |
| 562 | - * Write the session cookie | |
| 563 | - * | |
| 564 | - * @access public | |
| 565 | - * @return void | |
| 566 | - */ | |
| 567 | - function _set_cookie($cookie_data = NULL) | |
| 568 | - { | |
| 569 | - if (is_null($cookie_data)){ | |
| 570 | - $cookie_data = $this->userdata; | |
| 571 | - } | |
| 572 | - | |
| 573 | - // Serialize the userdata for the cookie | |
| 574 | - $cookie_data = $this->_serialize($cookie_data); | |
| 575 | - | |
| 576 | - if( $this->encrypt ){ | |
| 577 | - $cookie_data = $this->encrypt->encode($cookie_data); | |
| 578 | - } | |
| 579 | - else { | |
| 580 | - // if encryption is not used, we provide an md5 hash to prevent userside tampering | |
| 581 | - $cookie_data = $cookie_data.md5($cookie_data.$this->encryption_key); | |
| 582 | - } | |
| 583 | - | |
| 584 | - $expire = ($this->sess_expire_on_close === TRUE) ? 0 : $this->sess_expiration + time(); | |
| 585 | - // Set the cookie | |
| 586 | - @setcookie( | |
| 587 | - $this->sess_cookie_name, | |
| 588 | - $cookie_data, | |
| 589 | - $expire, | |
| 590 | - $this->cookie_path, | |
| 591 | - $this->cookie_domain, | |
| 592 | - $this->cookie_secure | |
| 593 | - ); | |
| 594 | - } | |
| 595 | - | |
| 596 | - protected function _serialize($data) | |
| 597 | - { | |
| 598 | - if (is_array($data)){ | |
| 599 | - foreach ($data as $key => $val){ | |
| 600 | - if (is_string($val)){ | |
| 601 | - $data[$key] = str_replace('\\', '{{slash}}', $val); | |
| 602 | - } | |
| 603 | - } | |
| 604 | - } | |
| 605 | - else { | |
| 606 | - if (is_string($data)){ | |
| 607 | - $data = str_replace('\\', '{{slash}}', $data); | |
| 608 | - } | |
| 609 | - } | |
| 610 | - // return serialize($data); | |
| 611 | - $ret = json_encode( $data ); | |
| 612 | - return $ret; | |
| 613 | - } | |
| 614 | - | |
| 615 | - protected function _unserialize($data) | |
| 616 | - { | |
| 617 | - // $data = @unserialize( $this->strip_slashes($data) ); | |
| 618 | - $data = @json_decode( $this->strip_slashes($data), true ); | |
| 619 | - | |
| 620 | - if (is_array($data)){ | |
| 621 | - foreach ($data as $key => $val){ | |
| 622 | - if (is_string($val)){ | |
| 623 | - $data[$key] = str_replace('{{slash}}', '\\', $val); | |
| 624 | - } | |
| 625 | - } | |
| 626 | - return $data; | |
| 627 | - } | |
| 628 | - | |
| 629 | - return (is_string($data)) ? str_replace('{{slash}}', '\\', $data) : $data; | |
| 630 | - } | |
| 631 | - | |
| 632 | - function strip_slashes($str) | |
| 633 | - { | |
| 634 | - if (is_array($str)){ | |
| 635 | - foreach ($str as $key => $val){ | |
| 636 | - $str[$key] = $this->strip_slashes($val); | |
| 637 | - } | |
| 638 | - } | |
| 639 | - else { | |
| 640 | - $str = stripslashes($str); | |
| 641 | - } | |
| 642 | - return $str; | |
| 643 | - } | |
| 1 | +<?php if (! defined('ABSPATH')) exit; // Exit if accessed directly | |
| 2 | +interface HC3_Session_ | |
| 3 | +{ | |
| 4 | + public function getFlashdata( $key ); | |
| 5 | + public function setFlashdata( $key, $value, $append = FALSE ); | |
| 6 | + | |
| 7 | + public function getUserdata( $key ); | |
| 8 | + public function setUserdata( $key, $value, $append = FALSE ); | |
| 9 | + public function unsetUserdata( $key ); | |
| 10 | +} | |
| 11 | + | |
| 12 | +class HC3_Session implements HC3_Session_ | |
| 13 | +{ | |
| 14 | + protected $_started = FALSE; | |
| 15 | + | |
| 16 | + protected $_prefix = 'hitcode_'; | |
| 17 | + protected $request = NULL; | |
| 18 | + protected $encrypt = NULL; | |
| 19 | + | |
| 20 | + protected $encryption_key = NULL; | |
| 21 | + | |
| 22 | + protected $sess_encrypt_cookie = FALSE; | |
| 23 | + protected $sess_expiration = 7200; | |
| 24 | + protected $sess_expire_on_close = FALSE; | |
| 25 | + protected $sess_match_ip = FALSE; | |
| 26 | + protected $sess_match_useragent = FALSE; | |
| 27 | + protected $sess_cookie_name = 'hc3_session'; | |
| 28 | + protected $cookie_prefix = ''; | |
| 29 | + protected $cookie_path = ''; | |
| 30 | + protected $cookie_domain = ''; | |
| 31 | + protected $cookie_secure = FALSE; | |
| 32 | + protected $sess_time_to_update = 300; | |
| 33 | + protected $flashdata_key = 'flash'; | |
| 34 | + protected $time_reference = 'time'; | |
| 35 | + protected $userdata = array(); | |
| 36 | + protected $now; | |
| 37 | + | |
| 38 | + protected $builtin_props = array( | |
| 39 | + 'session_id', | |
| 40 | + 'ip_address', | |
| 41 | + 'user_agent', | |
| 42 | + 'last_activity', | |
| 43 | + 'user_data' | |
| 44 | + ); | |
| 45 | + | |
| 46 | + /** | |
| 47 | + * Session Constructor | |
| 48 | + * | |
| 49 | + * The constructor runs the session routines automatically | |
| 50 | + * whenever the class is instantiated. | |
| 51 | + */ | |
| 52 | + | |
| 53 | + public static function instance() | |
| 54 | + { | |
| 55 | + static $ret = NULL; | |
| 56 | + if( NULL === $ret ){ | |
| 57 | + $ret = new static; | |
| 58 | + } | |
| 59 | + return $ret; | |
| 60 | + } | |
| 61 | + | |
| 62 | + public static function start() | |
| 63 | + { | |
| 64 | + $sessionId = session_id(); | |
| 65 | + if( ! $sessionId ){ | |
| 66 | + $sessionOptions = array(); | |
| 67 | + // $sessionOptions = array( 'read_and_close' => TRUE ); | |
| 68 | + @session_start( $sessionOptions ); | |
| 69 | + } | |
| 70 | + } | |
| 71 | + | |
| 72 | + public function __construct( $prefix = 'shiftcontroller4' ) | |
| 73 | + { | |
| 74 | + // $this->request = $request; | |
| 75 | + $this->_prefix = $prefix; | |
| 76 | + | |
| 77 | + $this->encryption_key = md5(__FILE__); | |
| 78 | + | |
| 79 | + static::start(); | |
| 80 | + | |
| 81 | + // Set the "now" time. Can either be GMT or server time, based on the | |
| 82 | + // config prefs. We use this to set the "last activity" time | |
| 83 | + $this->now = $this->_get_time(); | |
| 84 | + | |
| 85 | + // Set the session length. If the session expiration is | |
| 86 | + // set to zero we'll set the expiration two years from now. | |
| 87 | + if ($this->sess_expiration == 0){ | |
| 88 | + $this->sess_expiration = (60*60*24*365*2); | |
| 89 | + } | |
| 90 | + | |
| 91 | + // Set the cookie name | |
| 92 | + // $this->sess_cookie_name = $this->cookie_prefix . $this->sess_cookie_name . '_' . $this->_prefix; | |
| 93 | + $this->sess_cookie_name = $this->cookie_prefix . $this->sess_cookie_name; | |
| 94 | + | |
| 95 | + // Run the Session routine. If a session doesn't exist we'll | |
| 96 | + // create a new one. If it does, we'll update it. | |
| 97 | + if ( ! $this->sess_read()){ | |
| 98 | + $this->sess_create(); | |
| 99 | + } | |
| 100 | + else { | |
| 101 | + $this->sess_update(); | |
| 102 | + } | |
| 103 | + | |
| 104 | + // Delete 'old' flashdata (from last request) | |
| 105 | + $this->_flashdata_sweep(); | |
| 106 | + | |
| 107 | + // Mark all new flashdata as old (data will be deleted before next request) | |
| 108 | + $this->_flashdata_mark(); | |
| 109 | + } | |
| 110 | + | |
| 111 | + // -------------------------------------------------------------------- | |
| 112 | + | |
| 113 | + /** | |
| 114 | + * Fetch the current session data if it exists | |
| 115 | + * | |
| 116 | + * @access public | |
| 117 | + * @return bool | |
| 118 | + */ | |
| 119 | + function sess_read() | |
| 120 | + { | |
| 121 | + // Fetch the cookie | |
| 122 | + $session = array_key_exists($this->sess_cookie_name, $_COOKIE) ? $_COOKIE[$this->sess_cookie_name] : FALSE; | |
| 123 | + | |
| 124 | + // No cookie? Goodbye cruel world!... | |
| 125 | + if ($session === FALSE) | |
| 126 | + { | |
| 127 | + // log_message('debug', 'A session cookie was not found.'); | |
| 128 | + return FALSE; | |
| 129 | + } | |
| 130 | + | |
| 131 | + // Decrypt the cookie data | |
| 132 | + if( $this->encrypt ){ | |
| 133 | + $session = $this->encrypt->decode($session); | |
| 134 | + } | |
| 135 | + else { | |
| 136 | + // encryption was not used, so we need to check the md5 hash | |
| 137 | + $hash = substr($session, strlen($session)-32); // get last 32 chars | |
| 138 | + $session = substr($session, 0, strlen($session)-32); | |
| 139 | + | |
| 140 | + // Does the md5 hash match? This is to prevent manipulation of session data in userspace | |
| 141 | + if ($hash !== md5($session.$this->encryption_key)){ | |
| 142 | + // echo 'The session cookie data did not match what was expected. This could be a possible malicious attempt.'; | |
| 143 | + $this->sess_destroy(); | |
| 144 | + return FALSE; | |
| 145 | + } | |
| 146 | + } | |
| 147 | + | |
| 148 | + // Unserialize the session array | |
| 149 | + $session = $this->_unserialize($session); | |
| 150 | + | |
| 151 | + // Is the session data we unserialized an array with the correct format? | |
| 152 | + if ( ! is_array($session) OR ! isset($session['session_id']) OR ! isset($session['ip_address']) OR ! isset($session['user_agent']) OR ! isset($session['last_activity'])){ | |
| 153 | + $this->sess_destroy(); | |
| 154 | + return FALSE; | |
| 155 | + } | |
| 156 | + | |
| 157 | + // Is the session current? | |
| 158 | + if (($session['last_activity'] + $this->sess_expiration) < $this->now){ | |
| 159 | + $this->sess_destroy(); | |
| 160 | + return FALSE; | |
| 161 | + } | |
| 162 | + | |
| 163 | + // Session is valid! | |
| 164 | + $this->userdata = $session; | |
| 165 | + unset($session); | |
| 166 | + | |
| 167 | + return TRUE; | |
| 168 | + } | |
| 169 | + | |
| 170 | + // -------------------------------------------------------------------- | |
| 171 | + | |
| 172 | + /** | |
| 173 | + * Write the session data | |
| 174 | + * | |
| 175 | + * @access public | |
| 176 | + * @return void | |
| 177 | + */ | |
| 178 | + function sess_write() | |
| 179 | + { | |
| 180 | + $this->_set_cookie(); | |
| 181 | + } | |
| 182 | + | |
| 183 | + // -------------------------------------------------------------------- | |
| 184 | + | |
| 185 | + /** | |
| 186 | + * Create a new session | |
| 187 | + * | |
| 188 | + * @access public | |
| 189 | + * @return void | |
| 190 | + */ | |
| 191 | + function sess_create() | |
| 192 | + { | |
| 193 | + $sessid = ''; | |
| 194 | + while (strlen($sessid) < 32){ | |
| 195 | + $sessid .= mt_rand(0, mt_getrandmax()); | |
| 196 | + } | |
| 197 | + | |
| 198 | + // To make the session ID even more secure we'll combine it with the user's IP | |
| 199 | + // $sessid .= $this->request->getIpAddress(); | |
| 200 | + | |
| 201 | + $this->userdata = array( | |
| 202 | + 'session_id' => md5(uniqid($sessid, TRUE)), | |
| 203 | + // 'ip_address' => $this->request->getIpAddress(), | |
| 204 | + // 'user_agent' => substr($this->request->getUserAgent(), 0, 120), | |
| 205 | + 'last_activity' => $this->now, | |
| 206 | + 'user_data' => '' | |
| 207 | + ); | |
| 208 | + | |
| 209 | + // Write the cookie | |
| 210 | + $this->_set_cookie(); | |
| 211 | + } | |
| 212 | + | |
| 213 | + // -------------------------------------------------------------------- | |
| 214 | + | |
| 215 | + /** | |
| 216 | + * Update an existing session | |
| 217 | + * | |
| 218 | + * @access public | |
| 219 | + * @return void | |
| 220 | + */ | |
| 221 | + function sess_update() | |
| 222 | + { | |
| 223 | + // We only update the session every five minutes by default | |
| 224 | + if (($this->userdata['last_activity'] + $this->sess_time_to_update) >= $this->now) | |
| 225 | + { | |
| 226 | + return; | |
| 227 | + } | |
| 228 | + | |
| 229 | + // Save the old session id so we know which record to | |
| 230 | + // update in the database if we need it | |
| 231 | + $old_sessid = $this->userdata['session_id']; | |
| 232 | + $new_sessid = ''; | |
| 233 | + while (strlen($new_sessid) < 32) | |
| 234 | + { | |
| 235 | + $new_sessid .= mt_rand(0, mt_getrandmax()); | |
| 236 | + } | |
| 237 | + | |
| 238 | + // To make the session ID even more secure we'll combine it with the user's IP | |
| 239 | + // $new_sessid .= $this->request->getIpAddress(); | |
| 240 | + | |
| 241 | + // Turn it into a hash | |
| 242 | + $new_sessid = md5(uniqid($new_sessid, TRUE)); | |
| 243 | + | |
| 244 | + // Update the session data in the session data array | |
| 245 | + $this->userdata['session_id'] = $new_sessid; | |
| 246 | + $this->userdata['last_activity'] = $this->now; | |
| 247 | + | |
| 248 | + // _set_cookie() will handle this for us if we aren't using database sessions | |
| 249 | + // by pushing all userdata to the cookie. | |
| 250 | + $cookie_data = NULL; | |
| 251 | + | |
| 252 | + // Write the cookie | |
| 253 | + $this->_set_cookie($cookie_data); | |
| 254 | + } | |
| 255 | + | |
| 256 | + // -------------------------------------------------------------------- | |
| 257 | + | |
| 258 | + /** | |
| 259 | + * Destroy the current session | |
| 260 | + * | |
| 261 | + * @access public | |
| 262 | + * @return void | |
| 263 | + */ | |
| 264 | + function sess_destroy() | |
| 265 | + { | |
| 266 | + // Kill the cookie | |
| 267 | + @setcookie( | |
| 268 | + $this->sess_cookie_name, | |
| 269 | + // addslashes(serialize(array())), | |
| 270 | + addslashes(json_encode(array())), | |
| 271 | + ($this->now - 31500000), | |
| 272 | + $this->cookie_path, | |
| 273 | + $this->cookie_domain, | |
| 274 | + 0 | |
| 275 | + ); | |
| 276 | + | |
| 277 | + // Kill session data | |
| 278 | + $this->userdata = array(); | |
| 279 | + } | |
| 280 | + | |
| 281 | + public function getUserdata($item) | |
| 282 | + { | |
| 283 | + if( function_exists('get_user_meta') && function_exists('get_current_user_id') && ($currentUserId = get_current_user_id()) ){ | |
| 284 | + $prefix = $this->getPrefix(); | |
| 285 | + $userMetaName = $prefix . $item; | |
| 286 | + return get_user_meta( $currentUserId, $userMetaName, true ); | |
| 287 | + } | |
| 288 | + else { | |
| 289 | + $my_key = $this->getPrefix() . $item; | |
| 290 | + if( isset($_SESSION[$my_key]) ){ | |
| 291 | + return $_SESSION[$my_key]; | |
| 292 | + } | |
| 293 | + return ( ! isset($this->userdata[$item])) ? FALSE : $this->userdata[$item]; | |
| 294 | + } | |
| 295 | + } | |
| 296 | + | |
| 297 | + // -------------------------------------------------------------------- | |
| 298 | + | |
| 299 | + /** | |
| 300 | + * Fetch all session data | |
| 301 | + * | |
| 302 | + * @access public | |
| 303 | + * @return array | |
| 304 | + */ | |
| 305 | + function all_userdata() | |
| 306 | + { | |
| 307 | + $ret = array(); | |
| 308 | + if( ! isset($_SESSION) ) return $ret; | |
| 309 | + | |
| 310 | + $prefix = $this->getPrefix(); | |
| 311 | + | |
| 312 | + /* get flash data we store in _SESSION */ | |
| 313 | + foreach( $_SESSION as $key => $v ){ | |
| 314 | + if( ! (substr($key, 0, strlen($prefix)) == $prefix) ) | |
| 315 | + continue; | |
| 316 | + $my_key = substr($key, strlen($prefix) ); | |
| 317 | + $ret[ $my_key ] = $v; | |
| 318 | + } | |
| 319 | + | |
| 320 | + $parent_ret = $this->userdata; | |
| 321 | + $ret = array_merge( $ret, $parent_ret ); | |
| 322 | + return $ret; | |
| 323 | + } | |
| 324 | + | |
| 325 | + public function getPrefix() | |
| 326 | + { | |
| 327 | + $ret = $this->_prefix; | |
| 328 | + | |
| 329 | + $isWpAdmin = FALSE; | |
| 330 | + | |
| 331 | + if( defined('WPINC') && is_admin() ){ | |
| 332 | + $isWpAdmin = TRUE; | |
| 333 | + } | |
| 334 | + else { | |
| 335 | + if( isset($_GET['hca']) && ('admin' == substr($_GET['hca'], 0, strlen('admin'))) ){ | |
| 336 | + $isWpAdmin = TRUE; | |
| 337 | + } | |
| 338 | + } | |
| 339 | + | |
| 340 | + if( $isWpAdmin ){ | |
| 341 | + $ret .= '_wpadmin_'; | |
| 342 | + } | |
| 343 | + | |
| 344 | + return $ret; | |
| 345 | + } | |
| 346 | + | |
| 347 | + public function setUserdata( $key, $value, $append = FALSE ) | |
| 348 | + { | |
| 349 | + // use user meta | |
| 350 | + if( function_exists('update_user_meta') && function_exists('get_current_user_id') && ($currentUserId = get_current_user_id()) ){ | |
| 351 | + $prefix = $this->getPrefix(); | |
| 352 | + $userMetaName = $prefix . $key; | |
| 353 | + update_user_meta( $currentUserId, $userMetaName, $value ); | |
| 354 | + } | |
| 355 | + else { | |
| 356 | + static::start(); | |
| 357 | + $prefix = $this->getPrefix(); | |
| 358 | + | |
| 359 | + $newdata = array( $key => $value ); | |
| 360 | + | |
| 361 | + $parent_newdata = array(); | |
| 362 | + if (count($newdata) > 0){ | |
| 363 | + $parent_newdata = array(); | |
| 364 | + foreach ($newdata as $key => $val){ | |
| 365 | + if( ! in_array($key, $this->builtin_props) ){ | |
| 366 | + $my_key = $prefix . $key; | |
| 367 | + if( $append ){ | |
| 368 | + if( ! isset($_SESSION[$my_key]) ) | |
| 369 | + $_SESSION[$my_key] = array(); | |
| 370 | + if( ! is_array($_SESSION[$my_key]) ) | |
| 371 | + $_SESSION[$my_key] = array( $_SESSION[$my_key] ); | |
| 372 | + $_SESSION[$my_key][] = $val; | |
| 373 | + } | |
| 374 | + else { | |
| 375 | + $_SESSION[$my_key] = $val; | |
| 376 | + } | |
| 377 | + } | |
| 378 | + else { | |
| 379 | + $parent_newdata[ $key ] = $val; | |
| 380 | + } | |
| 381 | + } | |
| 382 | + } | |
| 383 | + | |
| 384 | + if( $parent_newdata ){ | |
| 385 | + if (count($parent_newdata) > 0){ | |
| 386 | + foreach( $parent_newdata as $key => $val){ | |
| 387 | + $this->userdata[$key] = $val; | |
| 388 | + } | |
| 389 | + } | |
| 390 | + $this->sess_write(); | |
| 391 | + } | |
| 392 | + } | |
| 393 | + | |
| 394 | + return $this; | |
| 395 | + } | |
| 396 | + | |
| 397 | + // -------------------------------------------------------------------- | |
| 398 | + | |
| 399 | + /** | |
| 400 | + * Delete a session variable from the "userdata" array | |
| 401 | + * | |
| 402 | + * @access array | |
| 403 | + * @return void | |
| 404 | + */ | |
| 405 | + public function unsetUserdata( $key ) | |
| 406 | + { | |
| 407 | + if( function_exists('delete_user_meta') && function_exists('get_current_user_id') && ($currentUserId = get_current_user_id()) ){ | |
| 408 | + $prefix = $this->getPrefix(); | |
| 409 | + $userMetaName = $prefix . $key; | |
| 410 | + delete_user_meta( $currentUserId, $userMetaName ); | |
| 411 | + } | |
| 412 | + else { | |
| 413 | + static::start(); | |
| 414 | + $parent_newdata = array(); | |
| 415 | + | |
| 416 | + if( ! in_array($key, $this->builtin_props) ){ | |
| 417 | + $my_key = $this->getPrefix() . $key; | |
| 418 | + unset($_SESSION[$my_key]); | |
| 419 | + } | |
| 420 | + else { | |
| 421 | + $parent_newdata[ $key ] = $val; | |
| 422 | + } | |
| 423 | + | |
| 424 | + if( $parent_newdata ){ | |
| 425 | + foreach ($parent_newdata as $key => $val){ | |
| 426 | + unset($this->userdata[$key]); | |
| 427 | + } | |
| 428 | + $this->sess_write(); | |
| 429 | + } | |
| 430 | + } | |
| 431 | + | |
| 432 | + return $this; | |
| 433 | + } | |
| 434 | + | |
| 435 | + public function setFlashdata( $name, $value, $append = FALSE ) | |
| 436 | + { | |
| 437 | + // use transients | |
| 438 | + if( function_exists('set_transient') && function_exists('get_current_user_id') && ($currentUserId = get_current_user_id()) ){ | |
| 439 | + $prefix = $this->getPrefix(); | |
| 440 | + $prefix = $prefix . $currentUserId . '_'; | |
| 441 | + $transientName = $prefix . $name; | |
| 442 | + set_transient( $transientName, $value, 60 ); | |
| 443 | + } | |
| 444 | + else { | |
| 445 | + $newdata = array( $name => $value ); | |
| 446 | + foreach( $newdata as $key => $val ){ | |
| 447 | + $flashdata_key = $this->flashdata_key.':new:'.$key; | |
| 448 | + $this->setUserdata( $flashdata_key, $val, $append ); | |
| 449 | + } | |
| 450 | + } | |
| 451 | + | |
| 452 | + return $this; | |
| 453 | + } | |
| 454 | + | |
| 455 | + function getFlashdata( $key ) | |
| 456 | + { | |
| 457 | + static $cache = array(); | |
| 458 | + if( array_key_exists($key, $cache) ){ | |
| 459 | + return $cache[$key]; | |
| 460 | + } | |
| 461 | + | |
| 462 | + if( function_exists('get_transient') && function_exists('get_current_user_id') && ($currentUserId = get_current_user_id()) ){ | |
| 463 | + $prefix = $this->getPrefix(); | |
| 464 | + $prefix = $prefix . $currentUserId . '_'; | |
| 465 | + $transientName = $prefix . $key; | |
| 466 | + $ret = get_transient( $transientName ); | |
| 467 | + delete_transient( $transientName ); | |
| 468 | + } | |
| 469 | + else { | |
| 470 | + $flashdata_key = $this->flashdata_key.':old:'.$key; | |
| 471 | + $ret = $this->getUserdata($flashdata_key); | |
| 472 | + } | |
| 473 | + | |
| 474 | + $cache[ $key ] = $ret; | |
| 475 | + return $ret; | |
| 476 | + } | |
| 477 | + | |
| 478 | + // ------------------------------------------------------------------------ | |
| 479 | + | |
| 480 | + /** | |
| 481 | + * Identifies flashdata as 'old' for removal | |
| 482 | + * when _flashdata_sweep() runs. | |
| 483 | + * | |
| 484 | + * @access private | |
| 485 | + * @return void | |
| 486 | + */ | |
| 487 | + protected function _flashdata_mark() | |
| 488 | + { | |
| 489 | + $userdata = $this->all_userdata(); | |
| 490 | + foreach ($userdata as $name => $value) | |
| 491 | + { | |
| 492 | + $parts = explode(':new:', $name); | |
| 493 | + if (is_array($parts) && count($parts) === 2) | |
| 494 | + { | |
| 495 | + $new_name = $this->flashdata_key.':old:'.$parts[1]; | |
| 496 | + $this->setUserdata($new_name, $value); | |
| 497 | + $this->unsetUserdata($name); | |
| 498 | + } | |
| 499 | + } | |
| 500 | + } | |
| 501 | + | |
| 502 | + // ------------------------------------------------------------------------ | |
| 503 | + | |
| 504 | + /** | |
| 505 | + * Removes all flashdata marked as 'old' | |
| 506 | + * | |
| 507 | + * @access private | |
| 508 | + * @return void | |
| 509 | + */ | |
| 510 | + | |
| 511 | + protected function _flashdata_sweep() | |
| 512 | + { | |
| 513 | + $userdata = $this->all_userdata(); | |
| 514 | + foreach ($userdata as $key => $value){ | |
| 515 | + if (strpos($key, ':old:')){ | |
| 516 | + $this->unsetUserdata($key); | |
| 517 | + } | |
| 518 | + } | |
| 519 | + } | |
| 520 | + | |
| 521 | + protected function _get_time() | |
| 522 | + { | |
| 523 | + if (strtolower($this->time_reference) == 'gmt'){ | |
| 524 | + $now = time(); | |
| 525 | + $time = mktime(gmdate("H", $now), gmdate("i", $now), gmdate("s", $now), gmdate("m", $now), gmdate("d", $now), gmdate("Y", $now)); | |
| 526 | + } | |
| 527 | + else { | |
| 528 | + $time = time(); | |
| 529 | + } | |
| 530 | + | |
| 531 | + return $time; | |
| 532 | + } | |
| 533 | + | |
| 534 | + // -------------------------------------------------------------------- | |
| 535 | + | |
| 536 | + /** | |
| 537 | + * Write the session cookie | |
| 538 | + * | |
| 539 | + * @access public | |
| 540 | + * @return void | |
| 541 | + */ | |
| 542 | + function _set_cookie($cookie_data = NULL) | |
| 543 | + { | |
| 544 | + if (is_null($cookie_data)){ | |
| 545 | + $cookie_data = $this->userdata; | |
| 546 | + } | |
| 547 | + | |
| 548 | + // Serialize the userdata for the cookie | |
| 549 | + $cookie_data = $this->_serialize($cookie_data); | |
| 550 | + | |
| 551 | + if( $this->encrypt ){ | |
| 552 | + $cookie_data = $this->encrypt->encode($cookie_data); | |
| 553 | + } | |
| 554 | + else { | |
| 555 | + // if encryption is not used, we provide an md5 hash to prevent userside tampering | |
| 556 | + $cookie_data = $cookie_data.md5($cookie_data.$this->encryption_key); | |
| 557 | + } | |
| 558 | + | |
| 559 | + $expire = ($this->sess_expire_on_close === TRUE) ? 0 : $this->sess_expiration + time(); | |
| 560 | + // Set the cookie | |
| 561 | + @setcookie( | |
| 562 | + $this->sess_cookie_name, | |
| 563 | + $cookie_data, | |
| 564 | + $expire, | |
| 565 | + $this->cookie_path, | |
| 566 | + $this->cookie_domain, | |
| 567 | + $this->cookie_secure | |
| 568 | + ); | |
| 569 | + } | |
| 570 | + | |
| 571 | + protected function _serialize($data) | |
| 572 | + { | |
| 573 | + if (is_array($data)){ | |
| 574 | + foreach ($data as $key => $val){ | |
| 575 | + if (is_string($val)){ | |
| 576 | + $data[$key] = str_replace('\\', '{{slash}}', $val); | |
| 577 | + } | |
| 578 | + } | |
| 579 | + } | |
| 580 | + else { | |
| 581 | + if (is_string($data)){ | |
| 582 | + $data = str_replace('\\', '{{slash}}', $data); | |
| 583 | + } | |
| 584 | + } | |
| 585 | + // return serialize($data); | |
| 586 | + $ret = json_encode( $data ); | |
| 587 | + return $ret; | |
| 588 | + } | |
| 589 | + | |
| 590 | + protected function _unserialize($data) | |
| 591 | + { | |
| 592 | + // $data = @unserialize( $this->strip_slashes($data) ); | |
| 593 | + $data = @json_decode( $this->strip_slashes($data), true ); | |
| 594 | + | |
| 595 | + if (is_array($data)){ | |
| 596 | + foreach ($data as $key => $val){ | |
| 597 | + if (is_string($val)){ | |
| 598 | + $data[$key] = str_replace('{{slash}}', '\\', $val); | |
| 599 | + } | |
| 600 | + } | |
| 601 | + return $data; | |
| 602 | + } | |
| 603 | + | |
| 604 | + return (is_string($data)) ? str_replace('{{slash}}', '\\', $data) : $data; | |
| 605 | + } | |
| 606 | + | |
| 607 | + function strip_slashes($str) | |
| 608 | + { | |
| 609 | + if (is_array($str)){ | |
| 610 | + foreach ($str as $key => $val){ | |
| 611 | + $str[$key] = $this->strip_slashes($val); | |
| 612 | + } | |
| 613 | + } | |
| 614 | + else { | |
| 615 | + $str = stripslashes($str); | |
| 616 | + } | |
| 617 | + return $str; | |
| 618 | + } | |
| 644 | 619 | } |
