Revision 2138
Added by darkviper over 8 years ago
| SecureTokens.php | ||
|---|---|---|
| 36 | 36 |
* This class is a replacement for the former class SecureForm using the SecureTokensInterface |
| 37 | 37 |
* |
| 38 | 38 |
* Settings for this class |
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* TYPE KONSTANTE REGISTY-VAR DEFAULTWERT
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* boolean SEC_TOKEN_FINGERPRINT ($oReg->SecTokenFingerprint) [default=true]
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* integer SEC_TOKEN_NETMASK4 ($oReg->SecTokenNetmask4) 0-255 [default=24]
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* integer SEC_TOKEN_NETMASK6 ($oReg->SecTokenNetmask6) 0-128 [default=64]
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* integer SEC_TOKEN_LIFE_TIME ($oReg->SecTokenLifeTime) 1800 | 2700 | 3600[default] | 7200
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* TYPE KONSTANTE REGISTY-VAR DEFAULTWERT
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* boolean SEC_TOKEN_FINGERPRINT ($oReg->SecTokenFingerprint) [default=true]
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* integer SEC_TOKEN_IPV4_NETMASK ($oReg->SecTokenIpv4Netmask) 0-255 [default=24]
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* integer SEC_TOKEN_IPV6_PREFIX_LENGTH ($oReg->SecTokenIpv6PrefixLength) 0-128 [default=64]
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* integer SEC_TOKEN_LIFE_TIME ($oReg->SecTokenLifeTime) 1800 | 2700 | 3600[default] | 7200
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*/ |
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class SecureTokens |
| ... | ... | |
| 102 | 102 |
// define the expiretime for this instance |
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$this->iExpireTime = time() + $this->iTokenLifeTime; |
| 104 | 104 |
// calculate the instance id for this instance |
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$this->sCurrentInstance = $this->encode64(md5($this->iExpireTime.$this->sSalt));
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$this->sCurrentInstance = $this->encodeHash(md5($this->iExpireTime.$this->sSalt));
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// load array of tokens from session |
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$this->loadTokens(); |
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// at first of all remove expired tokens |
| ... | ... | |
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* @return void |
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* @deprecated from WB-2.8.3-SP5 |
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*/ |
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final public function createFTAN() { ; } // do nothing
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final public function createFTAN() |
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{
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trigger_error('Deprecated function call: '.__CLASS__.'::'.__METHOD__, E_USER_DEPRECATED);
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} // do nothing |
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/** |
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* Dummy method for backward compatibility |
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* @return void |
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* @deprecated from WB-2.8.3-SP5 |
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*/ |
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final public function clearIDKEY() { ; } // do nothing
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final public function clearIDKEY() |
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{
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trigger_error('Deprecated function call: '.__CLASS__.'::'.__METHOD__, E_USER_DEPRECATED);
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} // do nothing |
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/** |
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* returns the current FTAN |
| ... | ... | |
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} |
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$aFtan = $this->aTokens[$this->aLastCreatedFtan]; |
| 174 | 180 |
$aFtan['name'] = $this->aLastCreatedFtan; |
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$aFtan['value'] = $this->encode64(md5($aFtan['value'].$this->sFingerprint));
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$aFtan['value'] = $this->encodeHash(md5($aFtan['value'].$this->sFingerprint));
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if (is_string($mMode)) {
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$mMode = strtoupper($mMode); |
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} else {
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| ... | ... | |
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// encode the value of all matching tokens |
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$aMatchingTokens = array_map( |
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function ($aToken) {
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return $this->encode64(md5($aToken['value'].$this->sFingerprint));
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return $this->encodeHash(md5($aToken['value'].$this->sFingerprint));
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}, |
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// extract all matching tokens from $this->aTokens |
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array_intersect_key($this->aTokens, $aArguments) |
| ... | ... | |
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{
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if (isset($this->aTokens[$sTokenName])) {
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| 354 | 360 |
if ($this->bPreserveAllOtherTokens) {
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$this->sInstanceToUpdate = $this->aTokens[$sTokenName]['instance']; |
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if ($this->sInstanceToDelete) {
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$this->sInstanceToUpdate = $this->sInstanceToDelete; |
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$this->sInstanceToDelete = null; |
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} else {
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$this->sInstanceToUpdate = $this->aTokens[$sTokenName]['instance']; |
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} |
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} else {
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$this->sInstanceToDelete = $this->aTokens[$sTokenName]['instance']; |
| 358 | 369 |
} |
| ... | ... | |
| 392 | 403 |
*/ |
| 393 | 404 |
private function buildFingerprint() |
| 394 | 405 |
{
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if (!$this->bUseFingerprint) { return md5('dummy'); }
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if (!$this->bUseFingerprint) { return md5('this_is_a_dummy_only'); }
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$sClientIp = '127.0.0.1'; |
| 397 | 408 |
if (array_key_exists('HTTP_X_FORWARDED_FOR', $_SERVER)){
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$sClientIp = array_pop(preg_split('/\s*?,\s*?/', $_SERVER['HTTP_X_FORWARDED_FOR'], null, PREG_SPLIT_NO_EMPTY));
|
| ... | ... | |
| 401 | 412 |
}else if (array_key_exists('HTTP_CLIENT_IP', $_SERVER)) {
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$sClientIp = $_SERVER['HTTP_CLIENT_IP']; |
| 403 | 414 |
} |
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$sFingerprint = __FILE__.PHP_VERSION |
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. isset($_SERVER['SERVER_SIGNATURE']) ? $_SERVER['SERVER_SIGNATURE'] : 'unknown' |
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. isset($_SERVER['HTTP_USER_AGENT']) ? $_SERVER['HTTP_USER_AGENT'] : 'AGENT' |
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. $this->calcClientIpHash($sClientIp); |
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return md5($sFingerprint); |
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return |
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__FILE__.PHP_VERSION |
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. isset($_SERVER['SERVER_SIGNATURE']) ? $_SERVER['SERVER_SIGNATURE'] : 'unknown' |
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. isset($_SERVER['HTTP_USER_AGENT']) ? $_SERVER['HTTP_USER_AGENT'] : 'AGENT' |
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. $this->calcClientIpHash($sClientIp) |
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; |
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} |
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/** |
| ... | ... | |
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*/ |
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private function calcClientIpHash($sRawIp) |
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{
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// clean address from netmask/prefix and port |
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$sPattern = '/^\[?([.:a-f0-9]*)(?:\/[0-1]*)?(?:\]?.*)$/im'; |
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$sRawIp = preg_replace($sPattern, '$1', $sRawIp); |
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if (strpos($sRawIp, ':') === false) {
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// calculate IPv4
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// sanitize IPv4 ---------------------------------------------------------------------- //
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$iIpV4 = ip2long($sRawIp); |
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// calculate netmask |
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// calculate netmask
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$iMask = ($this->iNetmaskLengthV4 < 1) |
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? 0 |
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: bindec( |
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str_repeat('1', $this->iNetmaskLengthV4).
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str_repeat('0', 32 - $this->iNetmaskLengthV4)
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); |
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// apply mask
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// apply mask and reformat to IPv4 string notation.
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$sIp = long2ip($iIpV4 & $iMask); |
| 432 | 447 |
} else {
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// sanitize IPv6 |
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// sanitize IPv6 ---------------------------------------------------------------------- // |
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// check if IP includes a IPv4 part and convert this into IPv6 format |
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$sPattern = '/^([:a-f0-9]*?)\:([0-9]{1,3}(?:\.[0-9]{1,3}){3})$/is';
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if (preg_match($sPattern, $sRawIp, $aMatches)) {
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$sIpV4Bin = str_pad((string)decbin(ip2long($aMatches[2])), 32, '0', STR_PAD_LEFT) ; |
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$aIpV6Hex = str_split($sIpV4Bin, 16); |
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$sRawIp = $aMatches[1].':'.dechex(bindec($aIpV6Hex[0])).':'.dechex(bindec($aIpV6Hex[1])); |
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} |
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// calculate number of missing words |
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$iWords = 8 - count(preg_split('/:/', $sRawIp, null, PREG_SPLIT_NO_EMPTY));
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// build replacement for '::' |
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$sReplacement = $iWords ? implode(':', array_fill(0, $iWords, '0000')) : '';
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// insert replacements and remove trailing/leading ':' |
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$sClientIp = trim(preg_replace('/\:\:/', ':'.$sReplacement.':', $sRawIp), ':');
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// split all 8 parts from IP into an array |
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$aIpV6 = array_map( |
| 438 | 464 |
function($sPart) {
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// expand all parts to 4 hex digits using leading '0' |
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return str_pad($sPart, 4, '0', STR_PAD_LEFT); |
| 440 | 467 |
}, |
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preg_split('/:/', $sClientIp)
|
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); |
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// calculate netmask
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$iMask = $this->iNetmaskLengthV6;
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// build binary netmask from iNetmaskLengthV6
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// and split all 8 parts into an array
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if ($this->iNetmaskLengthV6 < 1) {
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$aMask = array_fill(0, 8, str_repeat('0', 16));
|
| 447 | 474 |
} else {
|
| ... | ... | |
| 451 | 478 |
16 |
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); |
| 453 | 480 |
} |
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// apply mask
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// iterate all IP parts, apply its mask and reformat to IPv6 string notation.
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array_walk( |
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$aIpV6, |
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function(&$sWord, $iIndex) use ($aMask) {
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$sWord = sprintf('%04x', hexdec($sWord) & bindec($aMask[$iIndex]));
|
| 459 | 486 |
} |
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); |
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// reformat to IPv6 string notation. |
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$sIp = implode(':', $aIpV6);
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// ------------------------------------------------------------------------------------ // |
|
| 462 | 491 |
} |
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return md5($sIp); // return the hash |
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return md5($sIp); // return the hashed IP string
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| 464 | 493 |
} |
| 465 | 494 |
|
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/** |
| ... | ... | |
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* @return string |
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* @description reduce the 32char length of a MD5 to 22 chars |
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*/ |
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private function encode64($sMd5Hash)
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private function encodeHash($sMd5Hash)
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{
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return rtrim(base64_encode(pack('h*',$sMd5Hash)), '+-= ');
|
| 475 | 504 |
} |
| ... | ... | |
| 479 | 508 |
*/ |
| 480 | 509 |
private function getSettings() |
| 481 | 510 |
{
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if (!class_exists('WbAdaptor', false)) {
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// for WB before 2.8.4 |
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$this->bUseFingerprint = defined('SEC_TOKEN_FINGERPRINT')
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? SEC_TOKEN_FINGERPRINT |
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: $this->bUseFingerprint; |
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$this->iNetmaskLengthV4 = defined('SEC_TOKEN_NETMASK4')
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? SEC_TOKEN_NETMASK4 |
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: $this->iNetmaskLengthV4; |
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$this->iNetmaskLengthV6 = defined('SEC_TOKEN_NETMASK6')
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? SEC_TOKEN_NETMASK6 |
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: $this->iNetmaskLengthV6; |
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$this->iTokenLifeTime = defined('SEC_TOKEN_LIFE_TIME')
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? SEC_TOKEN_LIFE_TIME |
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: $this->iTokenLifeTime; |
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} else {
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// for WB from 2.8.4 and up |
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$this->bUseFingerprint = isset($this->oReg->SecTokenFingerprint) |
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? $this->oReg->SecTokenFingerprint |
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: $this->bUseFingerprint; |
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$this->iNetmaskLengthV4 = isset($this->oReg->SecTokenNetmask4) |
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? $this->oReg->SecTokenNetmask4 |
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: $this->iNetmaskLengthV4; |
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$this->iNetmaskLengthV6 = isset($this->oReg->SecTokenNetmask6) |
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? $this->oReg->SecTokenNetmask6 |
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: $this->iNetmaskLengthV6; |
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$this->iTokenLifeTime = isset($this->oReg->SecTokenLifeTime) |
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? $this->oReg->SecTokenLifeTime |
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: $this->iTokenLifeTime; |
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} |
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$this->bUseFingerprint = isset($this->oReg->SecTokenFingerprint) |
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? $this->oReg->SecTokenFingerprint |
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: $this->bUseFingerprint; |
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$this->iNetmaskLengthV4 = isset($this->oReg->SecTokenNetmask4) |
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? $this->oReg->SecTokenNetmask4 |
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: $this->iNetmaskLengthV4; |
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$this->iNetmaskLengthV6 = isset($this->oReg->SecTokenNetmask6) |
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? $this->oReg->SecTokenNetmask6 |
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: $this->iNetmaskLengthV6; |
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$this->iTokenLifeTime = isset($this->oReg->SecTokenLifeTime) |
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? $this->oReg->SecTokenLifeTime |
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: $this->iTokenLifeTime; |
|
| 511 | 523 |
$this->iNetmaskLengthV4 = ($this->iNetmaskLengthV4 < 1 || $this->iNetmaskLengthV4 > 32) |
| 512 | 524 |
? 0 :$this->iNetmaskLengthV4; |
| 513 | 525 |
$this->iNetmaskLengthV6 = ($this->iNetmaskLengthV6 < 1 || $this->iNetmaskLengthV6 > 128) |
Also available in: Unified diff
! class SecureTokens: added handling of all kind of IPv6 notations