[34] | 1 | <?php |
---|
| 2 | |
---|
| 3 | |
---|
| 4 | /* |
---|
| 5 | V4.94 23 Jan 2007 (c) 2000-2007 John Lim (jlim#natsoft.com.my). All rights reserved. |
---|
| 6 | Contributed by Ross Smith (adodb@netebb.com). |
---|
| 7 | Released under both BSD license and Lesser GPL library license. |
---|
| 8 | Whenever there is any discrepancy between the two licenses, |
---|
| 9 | the BSD license will take precedence. |
---|
| 10 | Set tabs to 4 for best viewing. |
---|
| 11 | |
---|
| 12 | |
---|
| 13 | */ |
---|
| 14 | |
---|
| 15 | /* |
---|
| 16 | |
---|
| 17 | CREATE Table SCripts |
---|
| 18 | |
---|
| 19 | Oracle |
---|
| 20 | ====== |
---|
| 21 | |
---|
| 22 | CREATE TABLE SESSIONS2 |
---|
| 23 | ( |
---|
| 24 | SESSKEY VARCHAR2(48 BYTE) NOT NULL, |
---|
| 25 | EXPIRY DATE NOT NULL, |
---|
| 26 | EXPIREREF VARCHAR2(200 BYTE), |
---|
| 27 | CREATED DATE NOT NULL, |
---|
| 28 | MODIFIED DATE NOT NULL, |
---|
| 29 | SESSDATA CLOB, |
---|
| 30 | PRIMARY KEY(SESSKEY) |
---|
| 31 | ); |
---|
| 32 | |
---|
| 33 | |
---|
| 34 | CREATE INDEX SESS2_EXPIRY ON SESSIONS2(EXPIRY); |
---|
| 35 | CREATE UNIQUE INDEX SESS2_PK ON SESSIONS2(SESSKEY); |
---|
| 36 | CREATE INDEX SESS2_EXP_REF ON SESSIONS2(EXPIREREF); |
---|
| 37 | |
---|
| 38 | |
---|
| 39 | |
---|
| 40 | MySQL |
---|
| 41 | ===== |
---|
| 42 | |
---|
| 43 | CREATE TABLE sessions2( |
---|
| 44 | sesskey VARCHAR( 64 ) NOT NULL DEFAULT '', |
---|
| 45 | expiry TIMESTAMP NOT NULL , |
---|
| 46 | expireref VARCHAR( 250 ) DEFAULT '', |
---|
| 47 | created TIMESTAMP NOT NULL , |
---|
| 48 | modified TIMESTAMP NOT NULL , |
---|
| 49 | sessdata LONGTEXT DEFAULT '', |
---|
| 50 | PRIMARY KEY ( sesskey ) , |
---|
| 51 | INDEX sess2_expiry( expiry ), |
---|
| 52 | INDEX sess2_expireref( expireref ) |
---|
| 53 | ) |
---|
| 54 | |
---|
| 55 | |
---|
| 56 | */ |
---|
| 57 | |
---|
| 58 | if (!defined('_ADODB_LAYER')) { |
---|
| 59 | require realpath(dirname(__FILE__) . '/../adodb.inc.php'); |
---|
| 60 | } |
---|
| 61 | |
---|
| 62 | if (defined('ADODB_SESSION')) return 1; |
---|
| 63 | |
---|
| 64 | define('ADODB_SESSION', dirname(__FILE__)); |
---|
| 65 | define('ADODB_SESSION2', ADODB_SESSION); |
---|
| 66 | |
---|
| 67 | /* |
---|
| 68 | Unserialize session data manually. See http://phplens.com/lens/lensforum/msgs.php?id=9821 |
---|
| 69 | |
---|
| 70 | From Kerr Schere, to unserialize session data stored via ADOdb. |
---|
| 71 | 1. Pull the session data from the db and loop through it. |
---|
| 72 | 2. Inside the loop, you will need to urldecode the data column. |
---|
| 73 | 3. After urldecode, run the serialized string through this function: |
---|
| 74 | |
---|
| 75 | */ |
---|
| 76 | function adodb_unserialize( $serialized_string ) |
---|
| 77 | { |
---|
| 78 | $variables = array( ); |
---|
[6057] | 79 | $a = preg_split( '/(\w+)\|/', $serialized_string, -1, PREG_SPLIT_NO_EMPTY | PREG_SPLIT_DELIM_CAPTURE ); |
---|
[7673] | 80 | $a_count = count( $a ); |
---|
| 81 | for( $i = 0; $i < $a_count; $i = $i+2 ) { |
---|
[34] | 82 | $variables[$a[$i]] = unserialize( $a[$i+1] ); |
---|
| 83 | } |
---|
| 84 | return( $variables ); |
---|
| 85 | } |
---|
| 86 | |
---|
| 87 | /* |
---|
| 88 | Thanks Joe Li. See http://phplens.com/lens/lensforum/msgs.php?id=11487&x=1 |
---|
| 89 | Since adodb 4.61. |
---|
| 90 | */ |
---|
| 91 | function adodb_session_regenerate_id() |
---|
| 92 | { |
---|
| 93 | $conn =& ADODB_Session::_conn(); |
---|
| 94 | if (!$conn) return false; |
---|
| 95 | |
---|
| 96 | $old_id = session_id(); |
---|
| 97 | if (function_exists('session_regenerate_id')) { |
---|
| 98 | session_regenerate_id(); |
---|
| 99 | } else { |
---|
| 100 | session_id(md5(uniqid(rand(), true))); |
---|
| 101 | $ck = session_get_cookie_params(); |
---|
| 102 | setcookie(session_name(), session_id(), false, $ck['path'], $ck['domain'], $ck['secure']); |
---|
| 103 | //@session_start(); |
---|
| 104 | } |
---|
| 105 | $new_id = session_id(); |
---|
| 106 | $ok =& $conn->Execute('UPDATE '. ADODB_Session::table(). ' SET sesskey='. $conn->qstr($new_id). ' WHERE sesskey='.$conn->qstr($old_id)); |
---|
| 107 | |
---|
| 108 | /* it is possible that the update statement fails due to a collision */ |
---|
| 109 | if (!$ok) { |
---|
| 110 | session_id($old_id); |
---|
| 111 | if (empty($ck)) $ck = session_get_cookie_params(); |
---|
| 112 | setcookie(session_name(), session_id(), false, $ck['path'], $ck['domain'], $ck['secure']); |
---|
| 113 | return false; |
---|
| 114 | } |
---|
| 115 | |
---|
| 116 | return true; |
---|
| 117 | } |
---|
| 118 | |
---|
| 119 | /* |
---|
| 120 | Generate database table for session data |
---|
| 121 | @see http://phplens.com/lens/lensforum/msgs.php?id=12280 |
---|
| 122 | @return 0 if failure, 1 if errors, 2 if successful. |
---|
| 123 | @author Markus Staab http://www.public-4u.de |
---|
| 124 | */ |
---|
| 125 | function adodb_session_create_table($schemaFile=null,$conn = null) |
---|
| 126 | { |
---|
| 127 | // set default values |
---|
| 128 | if ($schemaFile===null) $schemaFile = ADODB_SESSION . '/session_schema2.xml'; |
---|
| 129 | if ($conn===null) $conn =& ADODB_Session::_conn(); |
---|
| 130 | |
---|
| 131 | if (!$conn) return 0; |
---|
| 132 | |
---|
| 133 | $schema = new adoSchema($conn); |
---|
| 134 | $schema->ParseSchema($schemaFile); |
---|
| 135 | return $schema->ExecuteSchema(); |
---|
| 136 | } |
---|
| 137 | |
---|
| 138 | /*! |
---|
| 139 | \static |
---|
| 140 | */ |
---|
| 141 | class ADODB_Session { |
---|
| 142 | ///////////////////// |
---|
| 143 | // getter/setter methods |
---|
| 144 | ///////////////////// |
---|
| 145 | |
---|
| 146 | /* |
---|
| 147 | |
---|
| 148 | function Lock($lock=null) |
---|
| 149 | { |
---|
| 150 | static $_lock = false; |
---|
| 151 | |
---|
| 152 | if (!is_null($lock)) $_lock = $lock; |
---|
| 153 | return $lock; |
---|
| 154 | } |
---|
| 155 | */ |
---|
| 156 | /*! |
---|
| 157 | */ |
---|
| 158 | function driver($driver = null) |
---|
| 159 | { |
---|
| 160 | static $_driver = 'mysql'; |
---|
| 161 | static $set = false; |
---|
| 162 | |
---|
| 163 | if (!is_null($driver)) { |
---|
| 164 | $_driver = trim($driver); |
---|
| 165 | $set = true; |
---|
| 166 | } elseif (!$set) { |
---|
| 167 | // backwards compatibility |
---|
| 168 | if (isset($GLOBALS['ADODB_SESSION_DRIVER'])) { |
---|
| 169 | return $GLOBALS['ADODB_SESSION_DRIVER']; |
---|
| 170 | } |
---|
| 171 | } |
---|
| 172 | |
---|
| 173 | return $_driver; |
---|
| 174 | } |
---|
| 175 | |
---|
| 176 | /*! |
---|
| 177 | */ |
---|
| 178 | function host($host = null) { |
---|
| 179 | static $_host = 'localhost'; |
---|
| 180 | static $set = false; |
---|
| 181 | |
---|
| 182 | if (!is_null($host)) { |
---|
| 183 | $_host = trim($host); |
---|
| 184 | $set = true; |
---|
| 185 | } elseif (!$set) { |
---|
| 186 | // backwards compatibility |
---|
| 187 | if (isset($GLOBALS['ADODB_SESSION_CONNECT'])) { |
---|
| 188 | return $GLOBALS['ADODB_SESSION_CONNECT']; |
---|
| 189 | } |
---|
| 190 | } |
---|
| 191 | |
---|
| 192 | return $_host; |
---|
| 193 | } |
---|
| 194 | |
---|
| 195 | /*! |
---|
| 196 | */ |
---|
| 197 | function user($user = null) |
---|
| 198 | { |
---|
| 199 | static $_user = 'root'; |
---|
| 200 | static $set = false; |
---|
| 201 | |
---|
| 202 | if (!is_null($user)) { |
---|
| 203 | $_user = trim($user); |
---|
| 204 | $set = true; |
---|
| 205 | } elseif (!$set) { |
---|
| 206 | // backwards compatibility |
---|
| 207 | if (isset($GLOBALS['ADODB_SESSION_USER'])) { |
---|
| 208 | return $GLOBALS['ADODB_SESSION_USER']; |
---|
| 209 | } |
---|
| 210 | } |
---|
| 211 | |
---|
| 212 | return $_user; |
---|
| 213 | } |
---|
| 214 | |
---|
| 215 | /*! |
---|
| 216 | */ |
---|
| 217 | function password($password = null) |
---|
| 218 | { |
---|
| 219 | static $_password = ''; |
---|
| 220 | static $set = false; |
---|
| 221 | |
---|
| 222 | if (!is_null($password)) { |
---|
| 223 | $_password = $password; |
---|
| 224 | $set = true; |
---|
| 225 | } elseif (!$set) { |
---|
| 226 | // backwards compatibility |
---|
| 227 | if (isset($GLOBALS['ADODB_SESSION_PWD'])) { |
---|
| 228 | return $GLOBALS['ADODB_SESSION_PWD']; |
---|
| 229 | } |
---|
| 230 | } |
---|
| 231 | |
---|
| 232 | return $_password; |
---|
| 233 | } |
---|
| 234 | |
---|
| 235 | /*! |
---|
| 236 | */ |
---|
| 237 | function database($database = null) |
---|
| 238 | { |
---|
| 239 | static $_database = ''; |
---|
| 240 | static $set = false; |
---|
| 241 | |
---|
| 242 | if (!is_null($database)) { |
---|
| 243 | $_database = trim($database); |
---|
| 244 | $set = true; |
---|
| 245 | } elseif (!$set) { |
---|
| 246 | // backwards compatibility |
---|
| 247 | if (isset($GLOBALS['ADODB_SESSION_DB'])) { |
---|
| 248 | return $GLOBALS['ADODB_SESSION_DB']; |
---|
| 249 | } |
---|
| 250 | } |
---|
| 251 | return $_database; |
---|
| 252 | } |
---|
| 253 | |
---|
| 254 | /*! |
---|
| 255 | */ |
---|
| 256 | function persist($persist = null) |
---|
| 257 | { |
---|
| 258 | static $_persist = true; |
---|
| 259 | |
---|
| 260 | if (!is_null($persist)) { |
---|
| 261 | $_persist = trim($persist); |
---|
| 262 | } |
---|
| 263 | |
---|
| 264 | return $_persist; |
---|
| 265 | } |
---|
| 266 | |
---|
| 267 | /*! |
---|
| 268 | */ |
---|
| 269 | function lifetime($lifetime = null) |
---|
| 270 | { |
---|
| 271 | static $_lifetime; |
---|
| 272 | static $set = false; |
---|
| 273 | |
---|
| 274 | if (!is_null($lifetime)) { |
---|
| 275 | $_lifetime = (int) $lifetime; |
---|
| 276 | $set = true; |
---|
| 277 | } elseif (!$set) { |
---|
| 278 | // backwards compatibility |
---|
| 279 | if (isset($GLOBALS['ADODB_SESS_LIFE'])) { |
---|
| 280 | return $GLOBALS['ADODB_SESS_LIFE']; |
---|
| 281 | } |
---|
| 282 | } |
---|
| 283 | if (!$_lifetime) { |
---|
| 284 | $_lifetime = ini_get('session.gc_maxlifetime'); |
---|
| 285 | if ($_lifetime <= 1) { |
---|
| 286 | // bug in PHP 4.0.3 pl 1 -- how about other versions? |
---|
| 287 | //print "<h3>Session Error: PHP.INI setting <i>session.gc_maxlifetime</i>not set: $lifetime</h3>"; |
---|
| 288 | $_lifetime = 1440; |
---|
| 289 | } |
---|
| 290 | } |
---|
| 291 | |
---|
| 292 | return $_lifetime; |
---|
| 293 | } |
---|
| 294 | |
---|
| 295 | /*! |
---|
| 296 | */ |
---|
| 297 | function debug($debug = null) |
---|
| 298 | { |
---|
| 299 | static $_debug = false; |
---|
| 300 | static $set = false; |
---|
| 301 | |
---|
| 302 | if (!is_null($debug)) { |
---|
| 303 | $_debug = (bool) $debug; |
---|
| 304 | |
---|
| 305 | $conn = ADODB_Session::_conn(); |
---|
| 306 | if ($conn) { |
---|
| 307 | $conn->debug = $_debug; |
---|
| 308 | } |
---|
| 309 | $set = true; |
---|
| 310 | } elseif (!$set) { |
---|
| 311 | // backwards compatibility |
---|
| 312 | if (isset($GLOBALS['ADODB_SESS_DEBUG'])) { |
---|
| 313 | return $GLOBALS['ADODB_SESS_DEBUG']; |
---|
| 314 | } |
---|
| 315 | } |
---|
| 316 | |
---|
| 317 | return $_debug; |
---|
| 318 | } |
---|
| 319 | |
---|
| 320 | /*! |
---|
| 321 | */ |
---|
| 322 | function expireNotify($expire_notify = null) |
---|
| 323 | { |
---|
| 324 | static $_expire_notify; |
---|
| 325 | static $set = false; |
---|
| 326 | |
---|
| 327 | if (!is_null($expire_notify)) { |
---|
| 328 | $_expire_notify = $expire_notify; |
---|
| 329 | $set = true; |
---|
| 330 | } elseif (!$set) { |
---|
| 331 | // backwards compatibility |
---|
| 332 | if (isset($GLOBALS['ADODB_SESSION_EXPIRE_NOTIFY'])) { |
---|
| 333 | return $GLOBALS['ADODB_SESSION_EXPIRE_NOTIFY']; |
---|
| 334 | } |
---|
| 335 | } |
---|
| 336 | |
---|
| 337 | return $_expire_notify; |
---|
| 338 | } |
---|
| 339 | |
---|
| 340 | /*! |
---|
| 341 | */ |
---|
| 342 | function table($table = null) |
---|
| 343 | { |
---|
| 344 | static $_table = 'sessions2'; |
---|
| 345 | static $set = false; |
---|
| 346 | |
---|
| 347 | if (!is_null($table)) { |
---|
| 348 | $_table = trim($table); |
---|
| 349 | $set = true; |
---|
| 350 | } elseif (!$set) { |
---|
| 351 | // backwards compatibility |
---|
| 352 | if (isset($GLOBALS['ADODB_SESSION_TBL'])) { |
---|
| 353 | return $GLOBALS['ADODB_SESSION_TBL']; |
---|
| 354 | } |
---|
| 355 | } |
---|
| 356 | |
---|
| 357 | return $_table; |
---|
| 358 | } |
---|
| 359 | |
---|
| 360 | /*! |
---|
| 361 | */ |
---|
| 362 | function optimize($optimize = null) |
---|
| 363 | { |
---|
| 364 | static $_optimize = false; |
---|
| 365 | static $set = false; |
---|
| 366 | |
---|
| 367 | if (!is_null($optimize)) { |
---|
| 368 | $_optimize = (bool) $optimize; |
---|
| 369 | $set = true; |
---|
| 370 | } elseif (!$set) { |
---|
| 371 | // backwards compatibility |
---|
| 372 | if (defined('ADODB_SESSION_OPTIMIZE')) { |
---|
| 373 | return true; |
---|
| 374 | } |
---|
| 375 | } |
---|
| 376 | |
---|
| 377 | return $_optimize; |
---|
| 378 | } |
---|
| 379 | |
---|
| 380 | /*! |
---|
| 381 | */ |
---|
| 382 | function syncSeconds($sync_seconds = null) { |
---|
| 383 | //echo ("<p>WARNING: ADODB_SESSION::syncSeconds is longer used, please remove this function for your code</p>"); |
---|
| 384 | |
---|
| 385 | return 0; |
---|
| 386 | } |
---|
| 387 | |
---|
| 388 | /*! |
---|
| 389 | */ |
---|
| 390 | function clob($clob = null) { |
---|
| 391 | static $_clob = false; |
---|
| 392 | static $set = false; |
---|
| 393 | |
---|
| 394 | if (!is_null($clob)) { |
---|
| 395 | $_clob = strtolower(trim($clob)); |
---|
| 396 | $set = true; |
---|
| 397 | } elseif (!$set) { |
---|
| 398 | // backwards compatibility |
---|
| 399 | if (isset($GLOBALS['ADODB_SESSION_USE_LOBS'])) { |
---|
| 400 | return $GLOBALS['ADODB_SESSION_USE_LOBS']; |
---|
| 401 | } |
---|
| 402 | } |
---|
| 403 | |
---|
| 404 | return $_clob; |
---|
| 405 | } |
---|
| 406 | |
---|
| 407 | /*! |
---|
| 408 | */ |
---|
| 409 | function dataFieldName($data_field_name = null) { |
---|
| 410 | //echo ("<p>WARNING: ADODB_SESSION::dataFieldName() is longer used, please remove this function for your code</p>"); |
---|
| 411 | return ''; |
---|
| 412 | } |
---|
| 413 | |
---|
| 414 | /*! |
---|
| 415 | */ |
---|
| 416 | function filter($filter = null) { |
---|
| 417 | static $_filter = array(); |
---|
| 418 | |
---|
| 419 | if (!is_null($filter)) { |
---|
| 420 | if (!is_array($filter)) { |
---|
| 421 | $filter = array($filter); |
---|
| 422 | } |
---|
| 423 | $_filter = $filter; |
---|
| 424 | } |
---|
| 425 | |
---|
| 426 | return $_filter; |
---|
| 427 | } |
---|
| 428 | |
---|
| 429 | /*! |
---|
| 430 | */ |
---|
| 431 | function encryptionKey($encryption_key = null) { |
---|
| 432 | static $_encryption_key = 'CRYPTED ADODB SESSIONS ROCK!'; |
---|
| 433 | |
---|
| 434 | if (!is_null($encryption_key)) { |
---|
| 435 | $_encryption_key = $encryption_key; |
---|
| 436 | } |
---|
| 437 | |
---|
| 438 | return $_encryption_key; |
---|
| 439 | } |
---|
| 440 | |
---|
| 441 | ///////////////////// |
---|
| 442 | // private methods |
---|
| 443 | ///////////////////// |
---|
| 444 | |
---|
| 445 | /*! |
---|
| 446 | */ |
---|
| 447 | function &_conn($conn=null) |
---|
| 448 | { |
---|
| 449 | if (isset($GLOBALS['ADODB_SESS_CONN'])) { |
---|
| 450 | $conn =& $GLOBALS['ADODB_SESS_CONN']; |
---|
| 451 | return $conn; |
---|
| 452 | } |
---|
| 453 | $false = false; |
---|
| 454 | return $false; |
---|
| 455 | } |
---|
| 456 | |
---|
| 457 | /*! |
---|
| 458 | */ |
---|
| 459 | function _crc($crc = null) { |
---|
| 460 | static $_crc = false; |
---|
| 461 | |
---|
| 462 | if (!is_null($crc)) { |
---|
| 463 | $_crc = $crc; |
---|
| 464 | } |
---|
| 465 | |
---|
| 466 | return $_crc; |
---|
| 467 | } |
---|
| 468 | |
---|
| 469 | /*! |
---|
| 470 | */ |
---|
| 471 | function _init() { |
---|
| 472 | session_module_name('user'); |
---|
| 473 | session_set_save_handler( |
---|
| 474 | array('ADODB_Session', 'open'), |
---|
| 475 | array('ADODB_Session', 'close'), |
---|
| 476 | array('ADODB_Session', 'read'), |
---|
| 477 | array('ADODB_Session', 'write'), |
---|
| 478 | array('ADODB_Session', 'destroy'), |
---|
| 479 | array('ADODB_Session', 'gc') |
---|
| 480 | ); |
---|
| 481 | } |
---|
| 482 | |
---|
| 483 | |
---|
| 484 | /*! |
---|
| 485 | */ |
---|
| 486 | function _sessionKey() { |
---|
| 487 | // use this function to create the encryption key for crypted sessions |
---|
| 488 | // crypt the used key, ADODB_Session::encryptionKey() as key and session_id() as salt |
---|
| 489 | return crypt(ADODB_Session::encryptionKey(), session_id()); |
---|
| 490 | } |
---|
| 491 | |
---|
| 492 | /*! |
---|
| 493 | */ |
---|
| 494 | function _dumprs($rs) { |
---|
| 495 | $conn =& ADODB_Session::_conn(); |
---|
| 496 | $debug = ADODB_Session::debug(); |
---|
| 497 | |
---|
| 498 | if (!$conn) { |
---|
| 499 | return; |
---|
| 500 | } |
---|
| 501 | |
---|
| 502 | if (!$debug) { |
---|
| 503 | return; |
---|
| 504 | } |
---|
| 505 | |
---|
| 506 | if (!$rs) { |
---|
| 507 | echo "<br />\$rs is null or false<br />\n"; |
---|
| 508 | return; |
---|
| 509 | } |
---|
| 510 | |
---|
| 511 | //echo "<br />\nAffected_Rows=",$conn->Affected_Rows(),"<br />\n"; |
---|
| 512 | |
---|
| 513 | if (!is_object($rs)) { |
---|
| 514 | return; |
---|
| 515 | } |
---|
| 516 | |
---|
| 517 | require_once ADODB_SESSION.'/../tohtml.inc.php'; |
---|
| 518 | rs2html($rs); |
---|
| 519 | } |
---|
| 520 | |
---|
| 521 | ///////////////////// |
---|
| 522 | // public methods |
---|
| 523 | ///////////////////// |
---|
| 524 | |
---|
| 525 | function config($driver, $host, $user, $password, $database=false,$options=false) |
---|
| 526 | { |
---|
| 527 | ADODB_Session::driver($driver); |
---|
| 528 | ADODB_Session::host($host); |
---|
| 529 | ADODB_Session::user($user); |
---|
| 530 | ADODB_Session::password($password); |
---|
| 531 | ADODB_Session::database($database); |
---|
| 532 | |
---|
| 533 | if ($driver == 'oci8' || $driver == 'oci8po') $options['lob'] = 'CLOB'; |
---|
| 534 | |
---|
| 535 | if (isset($options['table'])) ADODB_Session::table($options['table']); |
---|
| 536 | if (isset($options['lob'])) ADODB_Session::clob($options['lob']); |
---|
| 537 | if (isset($options['debug'])) ADODB_Session::debug($options['debug']); |
---|
| 538 | } |
---|
| 539 | |
---|
| 540 | /*! |
---|
| 541 | Create the connection to the database. |
---|
| 542 | |
---|
| 543 | If $conn already exists, reuse that connection |
---|
| 544 | */ |
---|
| 545 | function open($save_path, $session_name, $persist = null) |
---|
| 546 | { |
---|
| 547 | $conn =& ADODB_Session::_conn(); |
---|
| 548 | |
---|
| 549 | if ($conn) { |
---|
| 550 | return true; |
---|
| 551 | } |
---|
| 552 | |
---|
| 553 | $database = ADODB_Session::database(); |
---|
| 554 | $debug = ADODB_Session::debug(); |
---|
| 555 | $driver = ADODB_Session::driver(); |
---|
| 556 | $host = ADODB_Session::host(); |
---|
| 557 | $password = ADODB_Session::password(); |
---|
| 558 | $user = ADODB_Session::user(); |
---|
| 559 | |
---|
| 560 | if (!is_null($persist)) { |
---|
| 561 | ADODB_Session::persist($persist); |
---|
| 562 | } else { |
---|
| 563 | $persist = ADODB_Session::persist(); |
---|
| 564 | } |
---|
| 565 | |
---|
| 566 | # these can all be defaulted to in php.ini |
---|
| 567 | # assert('$database'); |
---|
| 568 | # assert('$driver'); |
---|
| 569 | # assert('$host'); |
---|
| 570 | |
---|
| 571 | $conn =& ADONewConnection($driver); |
---|
| 572 | |
---|
| 573 | if ($debug) { |
---|
| 574 | $conn->debug = true; |
---|
| 575 | ADOConnection::outp( " driver=$driver user=$user db=$database "); |
---|
| 576 | } |
---|
| 577 | |
---|
| 578 | if ($persist) { |
---|
| 579 | switch($persist) { |
---|
| 580 | default: |
---|
| 581 | case 'P': $ok = $conn->PConnect($host, $user, $password, $database); break; |
---|
| 582 | case 'C': $ok = $conn->Connect($host, $user, $password, $database); break; |
---|
| 583 | case 'N': $ok = $conn->NConnect($host, $user, $password, $database); break; |
---|
| 584 | } |
---|
| 585 | } else { |
---|
| 586 | $ok = $conn->Connect($host, $user, $password, $database); |
---|
| 587 | } |
---|
| 588 | |
---|
| 589 | if ($ok) $GLOBALS['ADODB_SESS_CONN'] =& $conn; |
---|
| 590 | else |
---|
| 591 | ADOConnection::outp('<p>Session: connection failed</p>', false); |
---|
| 592 | |
---|
| 593 | |
---|
| 594 | return $ok; |
---|
| 595 | } |
---|
| 596 | |
---|
| 597 | /*! |
---|
| 598 | Close the connection |
---|
| 599 | */ |
---|
| 600 | function close() |
---|
| 601 | { |
---|
| 602 | /* |
---|
| 603 | $conn =& ADODB_Session::_conn(); |
---|
| 604 | if ($conn) $conn->Close(); |
---|
| 605 | */ |
---|
| 606 | return true; |
---|
| 607 | } |
---|
| 608 | |
---|
| 609 | /* |
---|
| 610 | Slurp in the session variables and return the serialized string |
---|
| 611 | */ |
---|
| 612 | function read($key) |
---|
| 613 | { |
---|
| 614 | $conn =& ADODB_Session::_conn(); |
---|
| 615 | $filter = ADODB_Session::filter(); |
---|
| 616 | $table = ADODB_Session::table(); |
---|
| 617 | |
---|
| 618 | if (!$conn) { |
---|
| 619 | return ''; |
---|
| 620 | } |
---|
| 621 | |
---|
| 622 | //assert('$table'); |
---|
| 623 | |
---|
| 624 | $qkey = $conn->quote($key); |
---|
| 625 | $binary = $conn->dataProvider === 'mysql' ? '/*! BINARY */' : ''; |
---|
| 626 | |
---|
| 627 | $sql = "SELECT sessdata FROM $table WHERE sesskey = $binary $qkey AND expiry >= " . $conn->sysTimeStamp; |
---|
| 628 | /* Lock code does not work as it needs to hold transaction within whole page, and we don't know if |
---|
| 629 | developer has commited elsewhere... :( |
---|
| 630 | */ |
---|
| 631 | #if (ADODB_Session::Lock()) |
---|
| 632 | # $rs =& $conn->RowLock($table, "$binary sesskey = $qkey AND expiry >= " . time(), sessdata); |
---|
| 633 | #else |
---|
| 634 | |
---|
| 635 | $rs =& $conn->Execute($sql); |
---|
| 636 | //ADODB_Session::_dumprs($rs); |
---|
| 637 | if ($rs) { |
---|
| 638 | if ($rs->EOF) { |
---|
| 639 | $v = ''; |
---|
| 640 | } else { |
---|
| 641 | $v = reset($rs->fields); |
---|
| 642 | $filter = array_reverse($filter); |
---|
| 643 | foreach ($filter as $f) { |
---|
| 644 | if (is_object($f)) { |
---|
| 645 | $v = $f->read($v, ADODB_Session::_sessionKey()); |
---|
| 646 | } |
---|
| 647 | } |
---|
| 648 | $v = rawurldecode($v); |
---|
| 649 | } |
---|
| 650 | |
---|
| 651 | $rs->Close(); |
---|
| 652 | |
---|
| 653 | ADODB_Session::_crc(strlen($v) . crc32($v)); |
---|
| 654 | return $v; |
---|
| 655 | } |
---|
| 656 | |
---|
| 657 | return ''; |
---|
| 658 | } |
---|
| 659 | |
---|
| 660 | /*! |
---|
| 661 | Write the serialized data to a database. |
---|
| 662 | |
---|
| 663 | If the data has not been modified since the last read(), we do not write. |
---|
| 664 | */ |
---|
| 665 | function write($key, $val) |
---|
| 666 | { |
---|
| 667 | global $ADODB_SESSION_READONLY; |
---|
| 668 | |
---|
| 669 | if (!empty($ADODB_SESSION_READONLY)) return; |
---|
| 670 | |
---|
| 671 | $clob = ADODB_Session::clob(); |
---|
| 672 | $conn =& ADODB_Session::_conn(); |
---|
| 673 | $crc = ADODB_Session::_crc(); |
---|
| 674 | $debug = ADODB_Session::debug(); |
---|
| 675 | $driver = ADODB_Session::driver(); |
---|
| 676 | $expire_notify = ADODB_Session::expireNotify(); |
---|
| 677 | $filter = ADODB_Session::filter(); |
---|
| 678 | $lifetime = ADODB_Session::lifetime(); |
---|
| 679 | $table = ADODB_Session::table(); |
---|
| 680 | |
---|
| 681 | if (!$conn) { |
---|
| 682 | return false; |
---|
| 683 | } |
---|
| 684 | |
---|
| 685 | $sysTimeStamp = $conn->sysTimeStamp; |
---|
| 686 | |
---|
| 687 | //assert('$table'); |
---|
| 688 | |
---|
| 689 | $expiry = $conn->OffsetDate($lifetime/(24*3600),$sysTimeStamp); |
---|
| 690 | |
---|
| 691 | $binary = $conn->dataProvider === 'mysql' ? '/*! BINARY */' : ''; |
---|
| 692 | |
---|
| 693 | // crc32 optimization since adodb 2.1 |
---|
| 694 | // now we only update expiry date, thx to sebastian thom in adodb 2.32 |
---|
| 695 | if ($crc !== false && $crc == (strlen($val) . crc32($val))) { |
---|
| 696 | if ($debug) { |
---|
| 697 | echo '<p>Session: Only updating date - crc32 not changed</p>'; |
---|
| 698 | } |
---|
| 699 | |
---|
| 700 | $expirevar = ''; |
---|
| 701 | if ($expire_notify) { |
---|
| 702 | $var = reset($expire_notify); |
---|
| 703 | global $$var; |
---|
| 704 | if (isset($$var)) { |
---|
| 705 | $expirevar = $$var; |
---|
| 706 | } |
---|
| 707 | } |
---|
| 708 | |
---|
| 709 | |
---|
| 710 | $sql = "UPDATE $table SET expiry = $expiry ,expireref=".$conn->Param('0').", modified = $sysTimeStamp WHERE $binary sesskey = ".$conn->Param('1')." AND expiry >= $sysTimeStamp"; |
---|
| 711 | $rs =& $conn->Execute($sql,array($expirevar,$key)); |
---|
| 712 | return true; |
---|
| 713 | } |
---|
| 714 | $val = rawurlencode($val); |
---|
| 715 | foreach ($filter as $f) { |
---|
| 716 | if (is_object($f)) { |
---|
| 717 | $val = $f->write($val, ADODB_Session::_sessionKey()); |
---|
| 718 | } |
---|
| 719 | } |
---|
| 720 | |
---|
| 721 | $expireref = ''; |
---|
| 722 | if ($expire_notify) { |
---|
| 723 | $var = reset($expire_notify); |
---|
| 724 | global $$var; |
---|
| 725 | if (isset($$var)) { |
---|
| 726 | $expireref = $$var; |
---|
| 727 | } |
---|
| 728 | } |
---|
| 729 | |
---|
| 730 | if (!$clob) { // no lobs, simply use replace() |
---|
| 731 | $rs =& $conn->Execute("SELECT COUNT(*) AS cnt FROM $table WHERE $binary sesskey = ".$conn->Param(0),array($key)); |
---|
| 732 | if ($rs) $rs->Close(); |
---|
| 733 | |
---|
| 734 | if ($rs && reset($rs->fields) > 0) { |
---|
| 735 | $sql = "UPDATE $table SET expiry=$expiry, sessdata=".$conn->Param(0).", expireref= ".$conn->Param(1).",modified=$sysTimeStamp WHERE sesskey = ".$conn->Param('2'); |
---|
| 736 | |
---|
| 737 | } else { |
---|
| 738 | $sql = "INSERT INTO $table (expiry, sessdata, expireref, sesskey, created, modified) |
---|
| 739 | VALUES ($expiry,".$conn->Param('0').", ". $conn->Param('1').", ".$conn->Param('2').", $sysTimeStamp, $sysTimeStamp)"; |
---|
| 740 | } |
---|
| 741 | |
---|
| 742 | |
---|
| 743 | $rs =& $conn->Execute($sql,array($val,$expireref,$key)); |
---|
| 744 | |
---|
| 745 | } else { |
---|
| 746 | // what value shall we insert/update for lob row? |
---|
| 747 | switch ($driver) { |
---|
| 748 | // empty_clob or empty_lob for oracle dbs |
---|
| 749 | case 'oracle': |
---|
| 750 | case 'oci8': |
---|
| 751 | case 'oci8po': |
---|
| 752 | case 'oci805': |
---|
| 753 | $lob_value = sprintf('empty_%s()', strtolower($clob)); |
---|
| 754 | break; |
---|
| 755 | |
---|
| 756 | // null for all other |
---|
| 757 | default: |
---|
| 758 | $lob_value = 'null'; |
---|
| 759 | break; |
---|
| 760 | } |
---|
| 761 | |
---|
| 762 | $conn->StartTrans(); |
---|
| 763 | |
---|
| 764 | $rs =& $conn->Execute("SELECT COUNT(*) AS cnt FROM $table WHERE $binary sesskey = ".$conn->Param(0),array($key)); |
---|
| 765 | if ($rs) $rs->Close(); |
---|
| 766 | |
---|
| 767 | if ($rs && reset($rs->fields) > 0) { |
---|
| 768 | $sql = "UPDATE $table SET expiry=$expiry, sessdata=$lob_value, expireref= ".$conn->Param(0).",modified=$sysTimeStamp WHERE sesskey = ".$conn->Param('1'); |
---|
| 769 | |
---|
| 770 | } else { |
---|
| 771 | $sql = "INSERT INTO $table (expiry, sessdata, expireref, sesskey, created, modified) |
---|
| 772 | VALUES ($expiry,$lob_value, ". $conn->Param('0').", ".$conn->Param('1').", $sysTimeStamp, $sysTimeStamp)"; |
---|
| 773 | } |
---|
| 774 | |
---|
| 775 | $rs =& $conn->Execute($sql,array($expireref,$key)); |
---|
| 776 | |
---|
| 777 | $qkey = $conn->qstr($key); |
---|
| 778 | $rs2 = $conn->UpdateBlob($table, 'sessdata', $val, " sesskey=$qkey", strtoupper($clob)); |
---|
| 779 | $rs = @$conn->CompleteTrans(); |
---|
| 780 | |
---|
| 781 | |
---|
| 782 | } |
---|
| 783 | |
---|
| 784 | if (!$rs) { |
---|
| 785 | ADOConnection::outp('<p>Session Replace: ' . $conn->ErrorMsg() . '</p>', false); |
---|
| 786 | return false; |
---|
| 787 | } else { |
---|
| 788 | // bug in access driver (could be odbc?) means that info is not committed |
---|
| 789 | // properly unless select statement executed in Win2000 |
---|
| 790 | if ($conn->databaseType == 'access') { |
---|
| 791 | $sql = "SELECT sesskey FROM $table WHERE $binary sesskey = $qkey"; |
---|
| 792 | $rs =& $conn->Execute($sql); |
---|
| 793 | ADODB_Session::_dumprs($rs); |
---|
| 794 | if ($rs) { |
---|
| 795 | $rs->Close(); |
---|
| 796 | } |
---|
| 797 | } |
---|
| 798 | }/* |
---|
| 799 | if (ADODB_Session::Lock()) { |
---|
| 800 | $conn->CommitTrans(); |
---|
| 801 | }*/ |
---|
| 802 | return $rs ? true : false; |
---|
| 803 | } |
---|
| 804 | |
---|
| 805 | /*! |
---|
| 806 | */ |
---|
| 807 | function destroy($key) { |
---|
| 808 | $conn =& ADODB_Session::_conn(); |
---|
| 809 | $table = ADODB_Session::table(); |
---|
| 810 | $expire_notify = ADODB_Session::expireNotify(); |
---|
| 811 | |
---|
| 812 | if (!$conn) { |
---|
| 813 | return false; |
---|
| 814 | } |
---|
| 815 | |
---|
| 816 | //assert('$table'); |
---|
| 817 | |
---|
| 818 | $qkey = $conn->quote($key); |
---|
| 819 | $binary = $conn->dataProvider === 'mysql' ? '/*! BINARY */' : ''; |
---|
| 820 | |
---|
| 821 | if ($expire_notify) { |
---|
| 822 | reset($expire_notify); |
---|
| 823 | $fn = next($expire_notify); |
---|
| 824 | $savem = $conn->SetFetchMode(ADODB_FETCH_NUM); |
---|
| 825 | $sql = "SELECT expireref, sesskey FROM $table WHERE $binary sesskey = $qkey"; |
---|
| 826 | $rs =& $conn->Execute($sql); |
---|
| 827 | ADODB_Session::_dumprs($rs); |
---|
| 828 | $conn->SetFetchMode($savem); |
---|
| 829 | if (!$rs) { |
---|
| 830 | return false; |
---|
| 831 | } |
---|
| 832 | if (!$rs->EOF) { |
---|
| 833 | $ref = $rs->fields[0]; |
---|
| 834 | $key = $rs->fields[1]; |
---|
| 835 | //assert('$ref'); |
---|
| 836 | //assert('$key'); |
---|
| 837 | $fn($ref, $key); |
---|
| 838 | } |
---|
| 839 | $rs->Close(); |
---|
| 840 | } |
---|
| 841 | |
---|
| 842 | $sql = "DELETE FROM $table WHERE $binary sesskey = $qkey"; |
---|
| 843 | $rs =& $conn->Execute($sql); |
---|
| 844 | ADODB_Session::_dumprs($rs); |
---|
| 845 | if ($rs) { |
---|
| 846 | $rs->Close(); |
---|
| 847 | } |
---|
| 848 | |
---|
| 849 | return $rs ? true : false; |
---|
| 850 | } |
---|
| 851 | |
---|
| 852 | /*! |
---|
| 853 | */ |
---|
| 854 | function gc($maxlifetime) |
---|
| 855 | { |
---|
| 856 | $conn =& ADODB_Session::_conn(); |
---|
| 857 | $debug = ADODB_Session::debug(); |
---|
| 858 | $expire_notify = ADODB_Session::expireNotify(); |
---|
| 859 | $optimize = ADODB_Session::optimize(); |
---|
| 860 | $table = ADODB_Session::table(); |
---|
| 861 | |
---|
| 862 | if (!$conn) { |
---|
| 863 | return false; |
---|
| 864 | } |
---|
| 865 | |
---|
| 866 | //assert('$table'); |
---|
| 867 | |
---|
| 868 | $time = $conn->sysTimeStamp; |
---|
| 869 | $binary = $conn->dataProvider === 'mysql' ? '/*! BINARY */' : ''; |
---|
| 870 | |
---|
| 871 | if ($expire_notify) { |
---|
| 872 | reset($expire_notify); |
---|
| 873 | $fn = next($expire_notify); |
---|
| 874 | $savem = $conn->SetFetchMode(ADODB_FETCH_NUM); |
---|
| 875 | $sql = "SELECT expireref, sesskey FROM $table WHERE expiry < $time"; |
---|
| 876 | $rs =& $conn->Execute($sql); |
---|
| 877 | ADODB_Session::_dumprs($rs); |
---|
| 878 | $conn->SetFetchMode($savem); |
---|
| 879 | if ($rs) { |
---|
| 880 | $conn->StartTrans(); |
---|
| 881 | $keys = array(); |
---|
| 882 | while (!$rs->EOF) { |
---|
| 883 | $ref = $rs->fields[0]; |
---|
| 884 | $key = $rs->fields[1]; |
---|
| 885 | $fn($ref, $key); |
---|
| 886 | $del = $conn->Execute("DELETE FROM $table WHERE sesskey=".$conn->Param('0'),array($key)); |
---|
| 887 | $rs->MoveNext(); |
---|
| 888 | } |
---|
| 889 | $rs->Close(); |
---|
| 890 | |
---|
| 891 | $conn->CompleteTrans(); |
---|
| 892 | } |
---|
| 893 | } else { |
---|
| 894 | |
---|
| 895 | if (0) { |
---|
| 896 | $sql = "SELECT sesskey FROM $table WHERE expiry < $time"; |
---|
| 897 | $arr =& $conn->GetAll($sql); |
---|
| 898 | foreach ($arr as $row) { |
---|
| 899 | $sql2 = "DELETE FROM $table WHERE sesskey=".$conn->Param('0'); |
---|
| 900 | $conn->Execute($sql2,array($row[0])); |
---|
| 901 | } |
---|
| 902 | } else { |
---|
| 903 | $sql = "DELETE FROM $table WHERE expiry < $time"; |
---|
| 904 | $rs =& $conn->Execute($sql); |
---|
| 905 | ADODB_Session::_dumprs($rs); |
---|
| 906 | if ($rs) $rs->Close(); |
---|
| 907 | } |
---|
| 908 | if ($debug) { |
---|
| 909 | ADOConnection::outp("<p><b>Garbage Collection</b>: $sql</p>"); |
---|
| 910 | } |
---|
| 911 | } |
---|
| 912 | |
---|
| 913 | // suggested by Cameron, "GaM3R" <gamr@outworld.cx> |
---|
| 914 | if ($optimize) { |
---|
| 915 | $driver = ADODB_Session::driver(); |
---|
| 916 | |
---|
| 917 | if (preg_match('/mysql/i', $driver)) { |
---|
| 918 | $sql = "OPTIMIZE TABLE $table"; |
---|
| 919 | } |
---|
| 920 | if (preg_match('/postgres/i', $driver)) { |
---|
| 921 | $sql = "VACUUM $table"; |
---|
| 922 | } |
---|
| 923 | if (!empty($sql)) { |
---|
| 924 | $conn->Execute($sql); |
---|
| 925 | } |
---|
| 926 | } |
---|
| 927 | |
---|
| 928 | |
---|
| 929 | return true; |
---|
| 930 | } |
---|
| 931 | } |
---|
| 932 | |
---|
| 933 | ADODB_Session::_init(); |
---|
| 934 | if (empty($ADODB_SESSION_READONLY)) |
---|
| 935 | register_shutdown_function('session_write_close'); |
---|
| 936 | |
---|
| 937 | // for backwards compatability only |
---|
| 938 | function adodb_sess_open($save_path, $session_name, $persist = true) { |
---|
| 939 | return ADODB_Session::open($save_path, $session_name, $persist); |
---|
| 940 | } |
---|
| 941 | |
---|
| 942 | // for backwards compatability only |
---|
| 943 | function adodb_sess_gc($t) |
---|
| 944 | { |
---|
| 945 | return ADODB_Session::gc($t); |
---|
| 946 | } |
---|
| 947 | |
---|
| 948 | ?> |
---|