Fix timestamps on records

- update the access and update date when a record is saved
- set the creation date when a record is created

3 files changed, 17 insertions, 3 deletions

diff --git a/backend/php/src/index.php b/backend/php/src/index.php
index 58c10a9..3d23e7a 100644
--- a/backend/php/src/index.php
+++ b/backend/php/src/index.php
@@ -1,747 +1,754 @@
 <?php
 	include "./configuration.php";
 	include "./objects/class.database.php";
 	include "./objects/class.user.php";
 	include "./objects/class.record.php";
 	include "./objects/class.recordversion.php";
 	include "./objects/class.onetimepassword.php";
 	include "./objects/class.onetimepasswordstatus.php";
 
 //-----------------------------------------------------------------------------
 
 if ( !function_exists('json_decode') ) {
 	function json_decode($content, $assoc=false) {
 		require_once 'json/JSON.php';
 		if ( $assoc ) {
 			$json = new Services_JSON(SERVICES_JSON_LOOSE_TYPE);
 		} else {
 			$json = new Services_JSON;
 		}
 	
 		return $json->decode($content);
 	}
 }
 
 if ( !function_exists('json_encode') ) {
 	function json_encode($content) {
 		require_once 'json/JSON.php';
 		$json = new Services_JSON;
 
 		return $json->encode($content);
 	}
 }
 
 //-----------------------------------------------------------------------------
 //	'dec2base', 'base2dec' and 'digits' are functions found on the following 
 //	PHP manual page: http://ch2.php.net/manual/en/ref.bc.php
 //
 
 function dec2base($dec, $base, $digits=FALSE) {
 	if ($base<2 or $base>256) {
 		die("Invalid Base: ".$base);
 	}
 	
 	bcscale(0);
 	$value="";
 	if (!$digits) {
 		$digits = digits($base);		
 	}
 
 	while ($dec > $base-1) {
 		$rest = bcmod($dec, $base);
 		$dec = bcdiv($dec, $base);
 		$value = $digits[$rest].$value;
 	}
 
 	$value=$digits[intval($dec)].$value;
 
 	return (string)$value;
 }
 
 //.............................................................................
 
 // convert another base value to its decimal value
 function base2dec($value, $base, $digits=FALSE) {
 	if ($base<2 or $base>256) {
 		die("Invalid Base: ".$base);
 	}
 	
 	bcscale(0);
 	if ($base<37) {
 		$value=strtolower($value);
 	}
 
 	if (!$digits) {
 		$digits=digits($base);
 	}
 
 	$size = strlen($value);
 	$dec="0";
 	for ($loop=0; $loop<$size; $loop++) {
 		$element = strpos($digits, $value[$loop]);
 		$power = bcpow($base, $size-$loop-1);
 		$dec = bcadd($dec, bcmul($element,$power));
 	}
 
 	return (string)$dec;
 }
 
 //.............................................................................
 
 function digits($base) {
 	if ($base>64) {
 		$digits="";
 		for ($loop=0; $loop<256; $loop++) {
 			$digits.=chr($loop);
 		}
 	} else {
 		$digits ="0123456789abcdefghijklmnopqrstuvwxyz";
 		$digits.="ABCDEFGHIJKLMNOPQRSTUVWXYZ-_";
 	}
 
 	$digits=substr($digits,0,$base);
 
 	return (string)$digits;
 }
 
 //-----------------------------------------------------------------------------
 
 function clipperz_hash($value) {
 	return hash("sha256", hash("sha256", $value, true));
 }
 
 //-----------------------------------------------------------------------------
 
 function clipperz_randomSeed() {
 	$result;
 
 	srand((double) microtime()*1000000);
 	$result = "";
 	
 	while(strlen($result) < 64) {
 		$result = $result.dec2base(rand(), 16);
 	}
 	
 	$result = substr($result, 0, 64);
 	
 	return $result;
 }
 
 //-----------------------------------------------------------------------------
 
 function updateUserCredentials($parameters, &$user) {
 	$user->username =		$parameters["C"];
 	$user->srp_s =			$parameters["s"];
 	$user->srp_v =			$parameters["v"];
 	$user->auth_version =	$parameters["version"];
 }
 
 function updateUserData($parameters, &$user) {
 	$user->header =		$parameters["header"];
 	$user->statistics =	$parameters["statistics"];
 	$user->version =	$parameters["version"];
 	$user->lock =		$parameters["lock"];
 }
 
 function updateRecordData($parameters, &$record, &$recordVersion) {
 	$recordData = $parameters["record"];
 	$record->reference =	$recordData["reference"];
 	$record->data =			$recordData["data"];
 	$record->version =		$recordData["version"];
 
 	$recordVersionData = $parameters["currentRecordVersion"];
 	$recordVersion->reference =				$recordVersionData ["reference"];
 	$recordVersion->data =					$recordVersionData ["data"];
 	$recordVersion->version =				$recordVersionData ["version"];
 	$recordVersion->previous_version_id =	$recordVersionData ["previousVersion"];
 	$recordVersion->previous_version_key =	$recordVersionData ["previousVersionKey"];
 }
 
 //-----------------------------------------------------------------------------
 
 function updateOTPStatus(&$otp, $status) {
 	$otpStatus = new onetimepasswordstatus();
 	$selectedStatuses = $otpStatus->GetList(array(array("code", "=", $status)));
 	$otpStatus = $selectedStatuses[0];
 	$otp->SetOnetimepasswordstatus($otpStatus);
 }
 
 function updateOTP($parameters, &$otp, $status) {
 	$otp->reference 	= $parameters["reference"];
 	$otp->key			= $parameters["key"];
 	$otp->key_checksum	= $parameters["keyChecksum"];
 	$otp->data			= $parameters["data"];
 	$otp->version		= $parameters["version"];
 
 	updateOTPStatus($otp, $status);
 }
 
 function resetOTP(&$otp, $status) {
 	$otp->data			= "";
 	updateOTPStatus($otp, $status);
 	$otp->Save();
 }
 
 //-----------------------------------------------------------------------------
 
 function fixOTPStatusTable() {
 	$otpStatus = new onetimepasswordstatus();
 	$otpStatusList = $otpStatus->GetList();
 	if (count($otpStatusList) != 4) {
 		$otpStatus->DeleteList();
 		
 		$otpStatus->code = "ACTIVE";	$otpStatus->name = "Active";	$otpStatus->description	= "Active";		$otpStatus->SaveNew();
 		$otpStatus->code = "REQUESTED";	$otpStatus->name = "Requested";	$otpStatus->description	= "Requested";	$otpStatus->SaveNew();
 		$otpStatus->code = "USED";		$otpStatus->name = "Used";		$otpStatus->description	= "Used";		$otpStatus->SaveNew();
 		$otpStatus->code = "DISABLED";	$otpStatus->name = "Disabled";	$otpStatus->description	= "Disabled";	$otpStatus->SaveNew();
 	}
 }
 
 //-----------------------------------------------------------------------------
 
 function arrayContainsValue($array, $value) {
 	$object = NULL;
 	for ($i=0; $i<count($array); $i++) {
 		if ($array[$i] == $value) {
 			$object = $value;
 		}
 	}
 
 	return !is_null($object);
 }
 
 //-----------------------------------------------------------------------------
 
 	$result = Array();
 	
 	session_start();
 	
 	$method = $_POST['method'];
 
 	if (get_magic_quotes_gpc()) {
 		$parameters = json_decode(stripslashes($_POST['parameters']), true);
 	} else {
 		$parameters = json_decode($_POST['parameters'], true);
 	}
 
 	$parameters = $parameters["parameters"];
 
 	switch($method) {
 		case "registration":
 error_log("registration");
 			$message = $parameters["message"];
 
 			if ($message == "completeRegistration") {
 				$user = new user();
 			
 				updateUserCredentials($parameters["credentials"], $user);
 				updateUserData($parameters["user"], $user);
 				$user->Save();
 			
 				$result["lock"] = $user->lock;
 				$result["result"] = "done";
 			}
 			break;
 			
 		case "handshake":
 error_log("handshake");
 			$srp_g = "2";
 			$srp_n = base2dec("115b8b692e0e045692cf280b436735c77a5a9e8a9e7ed56c965f87db5b2a2ece3", 16);
 
 			$message = $parameters["message"];
 
 			//=============================================================
 			if ($message == "connect") {
 				$user= new user();
 				$_SESSION["C"] = $parameters["parameters"]["C"];
 				$_SESSION["A"] = $parameters["parameters"]["A"];
 
 				$userList = $user->GetList(array(array("username", "=", $_SESSION["C"])));
 			
 				if (count($userList) == 1) {
 					$currentUser = $userList[ 0 ];
 
 					if (array_key_exists("otpId", $_SESSION)) {
 						$otp = new onetimepassword();
 						$otp = $otp->Get($_SESSION["otpId"]);
 						
 						if ($otp->GetUser()->userId != $currentUser->userId) {
 							throw new Exception("User missmatch between the current session and 'One Time Password' user");
 						} else if ($otp->GetOnetimepasswordstatus()->code != "REQUESTED") {
 							throw new Exception("Tring to use an 'One Time Password' in the wrong state");
 						}
 
 						resetOTP($otp, "USED");
 						$result["oneTimePassword"] = $otp->reference;
 					}
 
 					$_SESSION["s"] = $currentUser->srp_s;
 					$_SESSION["v"] = $currentUser->srp_v;
 					$_SESSION["userId"] = $currentUser->userId;
 				} else {
 					$_SESSION["s"] = "112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00";
 					$_SESSION["v"] = "112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00";
 				}
 
 				$_SESSION["b"] = clipperz_randomSeed();
 //				$_SESSION["b"] = "5761e6c84d22ea3c5649de01702d60f674ccfe79238540eb34c61cd020230c53";
 				$_SESSION["B"] = dec2base(bcadd(base2dec($_SESSION["v"], 16), bcpowmod($srp_g, base2dec($_SESSION["b"], 16), $srp_n)), 16);
 
 				$result["s"] = $_SESSION["s"];
 				$result["B"] = $_SESSION["B"];
 				
 			//=============================================================
 			} else if ($message == "credentialCheck") {
 error_log("credentialCheck");
 				$u = clipperz_hash(base2dec($_SESSION["B"],16));
 				$A = base2dec($_SESSION["A"], 16);
 				$S = bcpowmod(bcmul($A, bcpowmod(base2dec($_SESSION["v"], 16), base2dec($u, 16), $srp_n)), base2dec($_SESSION["b"], 16), $srp_n);
 				$K = clipperz_hash($S);
 				$M1 = clipperz_hash($A.base2dec($_SESSION["B"],16).$K);
 
 //$result["B"] = $_SESSION["B"];
 //$result["u"] = $u;
 //$result["A"] = $A;
 //$result["S"] = $S;
 //$result["K"] = $K;
 //$result["M1"] = $M1;
 //$result["_M1"] = $parameters["parameters"]["M1"];
 
 				if ($M1 == $parameters["parameters"]["M1"]) {
 					$_SESSION["K"] = $K;
 					$M2 = clipperz_hash($A.$M1.$K);
 
 					$result["M2"] = $M2;
 					$result["connectionId"] = "";
 					$result["loginInfo"] = array();
 					$result["loginInfo"]["latest"] = array();
 					$result["loginInfo"]["current"] = array();
 					$result["offlineCopyNeeded"] = "false";
 					$result["lock"] = "----";
 				} else {
 					$result["error"] = "?";
 				}
 			//=============================================================
 			} else if ($message == "oneTimePassword") {
 error_log("oneTimePassword");
 //{
 //	"message":"oneTimePassword",
 //	"version":"0.2",
 //	"parameters":{
 //		"oneTimePasswordKey":"06dfa7f428081f8b2af98b0895e14e18af90b0ef2ff32828e55cc2ac6b24d29b",
 //		"oneTimePasswordKeyChecksum":"60bcba3f72e56f6bb3f0ff88509b9a0e5ec730dfa71daa4c1e892dbd1b0c360d"
 //	}
 //}
 				$otp = new onetimepassword();
 				$otpList = $otp->GetList(array(array("key", "=", $parameters["parameters"]["oneTimePasswordKey"])));
 
 				if (count($otpList) == 1) {
 					$currentOtp = $otpList[0];
 					
 					if ($currentOtp->GetOnetimepasswordstatus()->code == "ACTIVE") {
 						if ($currentOtp->key_checksum == $parameters["parameters"]["oneTimePasswordKeyChecksum"]) {
 							$_SESSION["userId"] = $currentOtp->GetUser()->userId;
 							$_SESSION["otpId"]	= $currentOtp->onetimepasswordId;
 							
 							$result["data"] = $currentOtp->data;
 							$result["version"] = $currentOtp->version;
 
 							resetOTP($currentOtp, "REQUESTED");
 						} else {
 							resetOTP($currentOtp, "DISABLED");
 							throw new Exception("The requested One Time Password has been disabled, due to a wrong keyChecksum");
 						}
 					} else {
 						throw new Exception("The requested One Time Password was not active");
 					}
 				} else {
         			throw new Exception("The requested One Time Password has not been found");
 				}
 
 			//=============================================================
 			}
 
 			break;
 
 		case "message":
 error_log("message");
 			if ($parameters["srpSharedSecret"] == $_SESSION["K"]) {
 				$message = $parameters["message"];
 				
 				//=============================================================
 				if ($message == "getUserDetails") {
 //{"message":"getUserDetails", "srpSharedSecret":"f18e5cf7c3a83b67d4db9444af813ee48c13daf4f8f6635397d593e52ba89a08", "parameters":{}}
 					$user = new user();
 					$user = $user->Get($_SESSION["userId"]);
 					
 					$result["header"] =		$user->header;
+					$records = $user->GetRecordList();
+					foreach ($records as $record)
+					{
+						$recordStats["updateDate"] = $record->update_date;
+						$recordsStats[$record->reference] = $recordStats;
+					}
+					$result["recordsStats"] = $recordsStats;
 					$result["statistics"] =	$user->statistics;
 					$result["version"] =	$user->version;
 
 				//=============================================================
 				} else if ($message == "addNewRecords") {
 /*
 //{
 //	"message":"addNewRecords",
 //	"srpSharedSecret":"b58fdf62acebbcb67f63d28c0437f166069f45690c648cd4376a792ae7a325f7",
 //	"parameters":{
 //		"records":[
 //			{
 //				"record":{
 //					"reference":"fda703707fee1fff42443124cd0e705f5bea0ac601758d81b2e832705339a610",
 //					"data":"OBSGtcb6blXq/xaYG.....4EqlQqgAvITN",
 //					"version":"0.3"
 //				},
 //				"currentRecordVersion":{
 //					"reference":"83ad301525c18f2afd72b6ac82c0a713382e1ef70ac69935ca7e2869dd4ff980",
 //					"recordReference":"fda703707fee1fff42443124cd0e705f5bea0ac601758d81b2e832705339a610",
 //					"data":"NXJ5jiZhkd0CMiwwntAq....1TjjF+SGfE=",
 //					"version":"0.3",
 //					"previousVersion":"3e174a86afc322271d8af28bc062b0f1bfd7344fad01212cd08b2757c4b199c4",
 //					"previousVersionKey":"kozaaGCzXWr71LbOKu6Z3nz520V..5U85tSBvb+u44twttv54Kw=="
 //				}
 //			}
 //		],
 //		"user":{
 //			"header":"{\"reco...ersion\":\"0.1\"}",
 //			"statistics":"rKI6nR6iqggygQJ3SQ58bFUX",
 //			"version":"0.3",
 //			"lock":"----"
 //		}
 //	}
 //}
 */
 					$user = new user();
 					$record = new record();
 					$recordVersion = new recordversion();
 
 					$user = $user->Get($_SESSION["userId"]);
 					updateUserData($parameters["parameters"]["user"], $user);
 
 					$recordParameterList = $parameters["parameters"]["records"];
 					$c = count($recordParameterList);
 					for ($i=0; $i<$c; $i++) {
 						updateRecordData($recordParameterList[$i], $record, $recordVersion);
 
 						$record->SaveNew();
 						$recordVersion->SaveNew();
 
 						$record->AddRecordversion($recordVersion);
 						$user->AddRecord($record);
 						
 						$record->Save();
 						$recordVersion->Save();
 					}
 
 					$user->Save();
 
 					$result["lock"] = $user->lock;
 					$result["result"] = "done";
 
 				//=============================================================
 				} else if ($message == "getRecordDetail") {
 //{
 //	"message":"getRecordDetail",
 //	"srpSharedSecret":"4c00dcb66a9f2aea41a87e4707c526874e2eb29cc72d2c7086837e53d6bf2dfe",
 //	"parameters":{
 //		"reference":"740009737139a189cfa2b1019a6271aaa39467b59e259706564b642ff3838d50"
 //	}
 //}
 //
 //	result = {
 //		currentVersion:{
 //			reference:"88943d709c3ea2442d4f58eaaec6409276037e5a37e0a6d167b9dad9e947e854",
 //			accessDate:"Wed, 13 February 2008 14:25:12 UTC",
 //			creationDate:"Tue, 17 April 2007 17:17:52 UTC",
 //			version:"0.2",
 //			data:"xI3WXddQLFtL......EGyKnnAVik",
 //			updateDate:"Tue, 17 April 2007 17:17:52 UTC",
 //			header:"####"
 //		}
 //		reference:"13a5e52976337ab210903cd04872588e1b21fb72bc183e91aa25c494b8138551",
 //		oldestUsedEncryptedVersion:"0.2",
 //		accessDate:"Wed, 13 February 2008 14:25:12 UTC",
 //		creationDate:"Wed, 14 March 2007 13:53:11 UTC",
 //		version:"0.2",
 //		updatedDate:"Tue, 17 April 2007 17:17:52 UTC",
 //		data:"0/BjzyY6jeh71h...pAw2++NEyylGhMC5C5f5m8pBApYziN84s4O3JQ3khW/1UttQl4="
 //	}
 					$record = new record();
 
 					$recordList = $record->GetList(array(array("reference", "=", $parameters["parameters"]["reference"])));
 					$currentRecord = $recordList[0];
 					$currentRecordVersions = $currentRecord->GetRecordversionList();
 					$currentVersion = $currentRecordVersions[0];
 				
 					$result["currentVersion"] = array();
 					$result["currentVersion"]["reference"] =	$currentVersion->reference;
 					$result["currentVersion"]["data"] =			$currentVersion->data;
 					$result["currentVersion"]["header"] =		$currentVersion->header;
 					$result["currentVersion"]["version"] =		$currentVersion->version;
 					$result["currentVersion"]["creationDate"] =	$currentVersion->creation_date;
 					$result["currentVersion"]["updateDate"] =	$currentVersion->update_date;
 					$result["currentVersion"]["accessDate"] =	$currentVersion->access_date;
 
 					$result["reference"] =		$currentRecord->reference;
 					$result["data"] =			$currentRecord->data;
 					$result["version"] =		$currentRecord->version;
 					$result["creationDate"] =	$currentRecord->creation_date;
 					$result["updateDate"] =		$currentRecord->update_date;
 					$result["accessDate"] =		$currentRecord->access_date;
 					$result["oldestUsedEncryptedVersion"] =	"---";
 
 				//=============================================================
 				} else if ($message == "updateData") {
 //{
 //	"message":"updateData",
 //	"srpSharedSecret":"4e4aadb1d64513ec4dd42f5e8d5b2d4363de75e4424b6bcf178c9d6a246356c5",
 //	"parameters":{
 //		"records":[
 //			{
 //				"record":{
 //					"reference":"740009737139a189cfa2b1019a6271aaa39467b59e259706564b642ff3838d50",
 //					"data":"8hgR0Z+JDrUa812polDJ....JnZUKXNEqKI",
 //					"version":"0.3"
 //				},
 //				"currentRecordVersion":{
 //					"reference":"b1d82aeb9a0c4f6584bea68ba80839f43dd6ede79791549e29a1860554b144ee",
 //					"recordReference":"740009737139a189cfa2b1019a6271aaa39467b59e259706564b642ff3838d50",
 //					"data":"2d/UgKxxV+kBPV9GRUE.....VGonDoW0tqefxOJo=",
 //					"version":"0.3",
 //					"previousVersion":"55904195249037394316d3be3f5e78f08073170103bf0e7ab49a911c159cb0be",
 //					"previousVersionKey":"YWiaZeMIVHaIl96OWW+2e8....6d6nHbn6cr2NA/dbQRuC2w=="
 //				}
 //			}
 //		],
 //		"user":{
 //			"header":"{\"rec.....sion\":\"0.1\"}",
 //			"statistics":"tt3uU9hWBy8rNnMckgCnxMJh",
 //			"version":"0.3",
 //			"lock":"----"
 //		}
 //	}
 //}
 
 					$user = new user();
 					$user = $user->Get($_SESSION["userId"]);
 					updateUserData($parameters["parameters"]["user"], $user);
 					$user->Save();
 
 					$recordParameterList = $parameters["parameters"]["records"];
 					$c = count($recordParameterList);
 					for ($i=0; $i<$c; $i++) {
 						$recordList = $user->GetRecordList(array(array("reference", "=", $recordParameterList[$i]["record"]["reference"])));
 						$currentRecord = $recordList[0];
 						$currentRecordVersions = $currentRecord->GetRecordversionList();
 						$currentVersion = $currentRecordVersions[0];
 
 						updateRecordData($recordParameterList[$i], $currentRecord, $currentVersion);
 
 
 						$currentRecord->Save();
 						$currentVersion->Save();
 					}
 
 					
 					$result["lock"] = $user->lock;
 					$result["result"] = "done";
 
 				//=============================================================
 				} else if ($message == "deleteRecords") {
 //{
 //	"message":"deleteRecords",
 //	"srpSharedSecret":"4a64982f7ee366954ec50b9efea62a902a097ef111410c2aa7c4d5343bd1cdd1",
 //	"parameters":{
 //		"recordReferences":["46494c81d10b80ab190d41e6806ef63869cfcc7a0ab8fe98cc3f93de4729bb9a"],
 //		"user":{
 //			"header":"{\"rec...rsion\":\"0.1\"}",
 //			"statistics":"44kOOda0xYZjbcugJBdagBQx",
 //			"version":"0.3",
 //			"lock":"----"
 //		}
 //	}
 //}
 					$user = new user();
 					$user = $user->Get($_SESSION["userId"]);
 
 					$recordReferenceList = $parameters["parameters"]["recordReferences"];
 					$recordList = array();
 					$c = count($recordReferenceList);
 					for ($i=0; $i<$c; $i++) {
 						array_push($recordList, array("reference", "=", $recordReferenceList[$i]));
 					}
 
 					$record = new record();
 					$record->DeleteList($recordList, true);
 
 					updateUserData($parameters["parameters"]["user"], $user);
 					$user->Save();
 
 					$result["recordList"] = $recordList;
 					$result["lock"] = $user->lock;
 					$result["result"] = "done";
 
 				//=============================================================
 				} else if ($message == "deleteUser") {
 //{"message":"deleteUser", "srpSharedSecret":"e8e4ca6544dca49c95b3647d8358ad54c317048b74d2ac187ac25f719c9bac58", "parameters":{}}
 					$user = new user();
 					$user->Get($_SESSION["userId"]);
 					$user->Delete(true);
 
 					$result["result"] = "ok";
 
 				//=============================================================
 				} else if ($message == "addNewOneTimePassword") {
 //{
 //	"message":"addNewOneTimePassword",
 //	"srpSharedSecret":"96fee4af06c09ce954fe7a9f87970e943449186bebf70bac0af1d6ebb818dabb",
 //	"parameters":{
 //		"user":{
 //			"header":"{\"records\":{\"index\":{\"419ea6....rsion\":\"0.1\"}",
 //			"statistics":"rrlwNbDt83rpWT4S72upiVsC",
 //			"version":"0.3",
 //			"lock":"----"
 //		},
 //		"oneTimePassword":{
 //			"reference":"29e26f3a2aae61fe5cf58c45296c6df4f3dceafe067ea550b455be345f44123c",
 //			"key":"afb848208758361a96a298b9db08995cf036011747809357a90645bc93fdfa03",
 //			"keyChecksum":"d1599ae443b5a566bfd93c0aeec4c81b42c0506ee09874dae050449580bb3486",
 //			"data":"hsyY8DHksgR52x6c4j7XAtIUeY.....dxsr3XWt7CbGg==",
 //			"version":"0.3"
 //		}
 //	}
 //}
 
 					fixOTPStatusTable();
 
 					$user = new user();
 					$user = $user->Get($_SESSION["userId"]);
 
 					$otp = new onetimepassword();
 					updateOTP($parameters["parameters"]["oneTimePassword"], $otp, "ACTIVE");
 					$user->AddOnetimepassword($otp);
 
 					updateUserData($parameters["parameters"]["user"], $user);
 					$user->Save();
 
 					$result["lock"] = $user->lock;
 					$result["result"] = "done";
 
 				//=============================================================
 				} else if ($message == "updateOneTimePasswords") {
 //{
 //	"message":"updateOneTimePasswords",
 //	"srpSharedSecret":"c78f8ed099ea421f4dd0a4e02dbaf1f7da925f0088188d99399874ff064a3d27",
 //	"parameters":{
 //		"user":{
 //			"header":"{\"reco...sion\":\"0.1\"}",
 //			"statistics":"UeRq75RZHzDC7elzrh/+OB5d",
 //			"version":"0.3",
 //			"lock":"----"
 //		},
 //		"oneTimePasswords":["f5f44c232f239efe48ab81a6236deea1a840d52946f7d4d782dad52b4c5359ce"]
 //	}
 //}
 
 					$user = new user();
 					$user = $user->Get($_SESSION["userId"]);
 
 					$validOtpReferences = $parameters["parameters"]["oneTimePasswords"];
 					
 					$otpList = $user->GetOnetimepasswordList();
 					$c = count($otpList);
 					for ($i=0; $i<$c; $i++) {
 						$currentOtp = $otpList[$i];
 						if (arrayContainsValue($validOtpReferences, $currentOtp->reference) == false) {
 							$currentOtp->Delete();
 						}
 					}
 					
 					updateUserData($parameters["parameters"]["user"], $user);
 					$user->Save();
 
 					$result["result"] = $user->lock;
 
 				//=============================================================
 				} else if ($message == "getOneTimePasswordsDetails") {
 
 				//=============================================================
 				} else if ($message == "getLoginHistory") {
 					$result["result"] = array();
 
 				//=============================================================
 				} else if ($message == "upgradeUserCredentials") {
 //{
 //	"message":"upgradeUserCredentials",
 //	"srpSharedSecret":"f1c25322e1478c8fb26063e9eef2f6fc25e0460065a31cb718f80bcff8f8a735",
 //	"parameters":{
 //		"user":{
 //			"header":"{\"reco...sion\":\"0.1\"}",
 //			"statistics":"s72Xva+w7CLgH+ihwqwXUbyu",
 //			"version":"0.3",
 //			"lock":"----"
 //		},
 //		"credentials":{
 //			"C":"57d15a8afbc1ae08103bd991d387ddfd8d26824276476fe709d754f098b6c26d",
 //			"s":"d6735fc0486f391c4f3c947928f9e61a2418e7bed2bc9b25bb43f93acc52f636",
 //			"v":"540c2ebbf941a481b6b2c9026c07fb46e8202e4408ed96864a696deb622baece",
 //			"version":"0.2"
 //		},
 //		"oneTimePasswords":{
 //			"923cdc61c4b877b263236124c44d69b459d240453a461cce8ddf7518b423ca94": "1HD6Ta0xsifEDhDwE....9WDK6tvrS6w==",
 //			"fb1573cb9497652a81688a099a524fb116e604c6fbc191cf33406eb8438efa5f": "CocN0cSxLmMRdgNF9....o3xhGUEY68Q=="
 //		}
 //	}
 //}
 
 					$user = new user();
 					$user->Get($_SESSION["userId"]);
 
 					$otp = new onetimepassword();
 					
 					updateUserCredentials($parameters["parameters"]["credentials"], $user);
 					updateUserData($parameters["parameters"]["user"], $user);
 
 					$otpList = $parameters["parameters"]["oneTimePasswords"];
 					foreach($otpList as $otpReference=>$otpData) {
 						$otpList = $otp->GetList(array(array("reference", "=", $otpReference)));
 						$currentOtp = $otpList[0];
 						$currentOtp->data = $otpData;
 						$currentOtp->Save();
 					}
 
 					$user->Save();
 
 					$result["lock"] = $user->lock;
 					$result["result"] = "done";
 					
 				//=============================================================
 				} else if ($message == "echo") {
 					$result["result"] = $parameters;
 				}
 				
 				//=============================================================
 			} else if (isset($_SESSION['K'])) {
 				$result["error"] = "Wrong shared secret!";
 			} else {
 				$result["result"] = "EXCEPTION";
 				$result["message"] = "Trying to communicate without an active connection";
 			}
 			break;
 
 		case "logout":
 error_log("logout");
 			session_destroy();
 			break;
 
 		default:
 error_log("default");
 			$result["result"] = $parameters;
 			break;
 	}
 
 	session_write_close();
 	
 	echo(json_encode($result));
 error_log("result: ".json_encode($result));
 ?>
diff --git a/backend/php/src/objects/class.record.php b/backend/php/src/objects/class.record.php
index a269e75..37a9702 100644
--- a/backend/php/src/objects/class.record.php
+++ b/backend/php/src/objects/class.record.php
@@ -1,436 +1,441 @@
 <?php
 /*
 	This SQL query will create the table to store your object.
 
 	CREATE TABLE `record` (
 	`recordid` int(11) NOT NULL auto_increment,
 	`userid` int(11) NOT NULL,
 	`reference` VARCHAR(255) NOT NULL,
 	`data` LONGTEXT NOT NULL,
 	`version` VARCHAR(255) NOT NULL,
 	`creation_date` TIMESTAMP NOT NULL,
-	`update_date` TIMESTAMP NOT NULL,
+	`update_date` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
 	`access_date` TIMESTAMP NOT NULL, INDEX(`userid`), PRIMARY KEY  (`recordid`)) ENGINE=MyISAM;
 */
 
 /**
 * <b>record</b> class with integrated CRUD methods.
 * @author Php Object Generator
 * @version POG 3.0e / PHP5.1 MYSQL
 * @see http://www.phpobjectgenerator.com/plog/tutorials/45/pdo-mysql
 * @copyright Free for personal & commercial use. (Offered under the BSD license)
 * @link http://www.phpobjectgenerator.com/?language=php5.1&wrapper=pdo&pdoDriver=mysql&objectName=record&attributeList=array+%28%0A++0+%3D%3E+%27user%27%2C%0A++1+%3D%3E+%27recordversion%27%2C%0A++2+%3D%3E+%27reference%27%2C%0A++3+%3D%3E+%27data%27%2C%0A++4+%3D%3E+%27version%27%2C%0A++5+%3D%3E+%27creation_date%27%2C%0A++6+%3D%3E+%27update_date%27%2C%0A++7+%3D%3E+%27access_date%27%2C%0A%29&typeList=array%2B%2528%250A%2B%2B0%2B%253D%253E%2B%2527BELONGSTO%2527%252C%250A%2B%2B1%2B%253D%253E%2B%2527HASMANY%2527%252C%250A%2B%2B2%2B%253D%253E%2B%2527VARCHAR%2528255%2529%2527%252C%250A%2B%2B3%2B%253D%253E%2B%2527LONGTEXT%2527%252C%250A%2B%2B4%2B%253D%253E%2B%2527VARCHAR%2528255%2529%2527%252C%250A%2B%2B5%2B%253D%253E%2B%2527TIMESTAMP%2527%252C%250A%2B%2B6%2B%253D%253E%2B%2527TIMESTAMP%2527%252C%250A%2B%2B7%2B%253D%253E%2B%2527TIMESTAMP%2527%252C%250A%2529
 */
 include_once('class.pog_base.php');
 class record extends POG_Base
 {
 	public $recordId = '';
 
 	/**
 	 * @var INT(11)
 	 */
 	public $userId;
 	
 	/**
 	 * @var private array of recordversion objects
 	 */
 	private $_recordversionList = array();
 	
 	/**
 	 * @var VARCHAR(255)
 	 */
 	public $reference;
 	
 	/**
 	 * @var LONGTEXT
 	 */
 	public $data;
 	
 	/**
 	 * @var VARCHAR(255)
 	 */
 	public $version;
 	
 	/**
 	 * @var TIMESTAMP
 	 */
 	public $creation_date;
 	
 	/**
 	 * @var TIMESTAMP
 	 */
 	public $update_date;
 	
 	/**
 	 * @var TIMESTAMP
 	 */
 	public $access_date;
 	
 	public $pog_attribute_type = array(
 		"recordId" => array('db_attributes' => array("NUMERIC", "INT")),
 		"user" => array('db_attributes' => array("OBJECT", "BELONGSTO")),
 		"recordversion" => array('db_attributes' => array("OBJECT", "HASMANY")),
 		"reference" => array('db_attributes' => array("TEXT", "VARCHAR", "255")),
 		"data" => array('db_attributes' => array("TEXT", "LONGTEXT")),
 		"version" => array('db_attributes' => array("TEXT", "VARCHAR", "255")),
 		"creation_date" => array('db_attributes' => array("NUMERIC", "TIMESTAMP")),
 		"update_date" => array('db_attributes' => array("NUMERIC", "TIMESTAMP")),
 		"access_date" => array('db_attributes' => array("NUMERIC", "TIMESTAMP")),
 		);
 	public $pog_query;
 	
 	
 	/**
 	* Getter for some private attributes
 	* @return mixed $attribute
 	*/
 	public function __get($attribute)
 	{
 		if (isset($this->{"_".$attribute}))
 		{
 			return $this->{"_".$attribute};
 		}
 		else
 		{
 			return false;
 		}
 	}
 	
 	function record($reference='', $data='', $version='', $creation_date='', $update_date='', $access_date='')
 	{
 		$this->_recordversionList = array();
 		$this->reference = $reference;
 		$this->data = $data;
 		$this->version = $version;
 		$this->creation_date = $creation_date;
 		$this->update_date = $update_date;
 		$this->access_date = $access_date;
 	}
 	
 	
 	/**
 	* Gets object from database
 	* @param integer $recordId 
 	* @return object $record
 	*/
 	function Get($recordId)
 	{
 		$connection = Database::Connect();
 		$this->pog_query = "select * from `record` where `recordid`='".intval($recordId)."' LIMIT 1";
 		$cursor = Database::Reader($this->pog_query, $connection);
 		while ($row = Database::Read($cursor))
 		{
 			$this->recordId = $row['recordid'];
 			$this->userId = $row['userid'];
 			$this->reference = $this->Unescape($row['reference']);
 			$this->data = $this->Unescape($row['data']);
 			$this->version = $this->Unescape($row['version']);
 			$this->creation_date = $row['creation_date'];
-			$this->update_date = $row['update_date'];
+			$oDate = strtotime($row['update_date']);
+			$this->update_date = date('r', $oDate);
 			$this->access_date = $row['access_date'];
 		}
 		return $this;
 	}
 	
 	
 	/**
 	* Returns a sorted array of objects that match given conditions
 	* @param multidimensional array {("field", "comparator", "value"), ("field", "comparator", "value"), ...} 
 	* @param string $sortBy 
 	* @param boolean $ascending 
 	* @param int limit 
 	* @return array $recordList
 	*/
 	function GetList($fcv_array = array(), $sortBy='', $ascending=true, $limit='')
 	{
 		$connection = Database::Connect();
 		$sqlLimit = ($limit != '' ? "LIMIT $limit" : '');
 		$this->pog_query = "select * from `record` ";
 		$recordList = Array();
 		if (sizeof($fcv_array) > 0)
 		{
 			$this->pog_query .= " where ";
 			for ($i=0, $c=sizeof($fcv_array); $i<$c; $i++)
 			{
 				if (sizeof($fcv_array[$i]) == 1)
 				{
 					$this->pog_query .= " ".$fcv_array[$i][0]." ";
 					continue;
 				}
 				else
 				{
 					if ($i > 0 && sizeof($fcv_array[$i-1]) != 1)
 					{
 						$this->pog_query .= " AND ";
 					}
 					if (isset($this->pog_attribute_type[$fcv_array[$i][0]]['db_attributes']) && $this->pog_attribute_type[$fcv_array[$i][0]]['db_attributes'][0] != 'NUMERIC' && $this->pog_attribute_type[$fcv_array[$i][0]]['db_attributes'][0] != 'SET')
 					{
 						if ($GLOBALS['configuration']['db_encoding'] == 1)
 						{
 							$value = POG_Base::IsColumn($fcv_array[$i][2]) ? "BASE64_DECODE(".$fcv_array[$i][2].")" : "'".$fcv_array[$i][2]."'";
 							$this->pog_query .= "BASE64_DECODE(`".$fcv_array[$i][0]."`) ".$fcv_array[$i][1]." ".$value;
 						}
 						else
 						{
 							$value =  POG_Base::IsColumn($fcv_array[$i][2]) ? $fcv_array[$i][2] : "'".$this->Escape($fcv_array[$i][2])."'";
 							$this->pog_query .= "`".$fcv_array[$i][0]."` ".$fcv_array[$i][1]." ".$value;
 						}
 					}
 					else
 					{
 						$value = POG_Base::IsColumn($fcv_array[$i][2]) ? $fcv_array[$i][2] : "'".$fcv_array[$i][2]."'";
 						$this->pog_query .= "`".$fcv_array[$i][0]."` ".$fcv_array[$i][1]." ".$value;
 					}
 				}
 			}
 		}
 		if ($sortBy != '')
 		{
 			if (isset($this->pog_attribute_type[$sortBy]['db_attributes']) && $this->pog_attribute_type[$sortBy]['db_attributes'][0] != 'NUMERIC' && $this->pog_attribute_type[$sortBy]['db_attributes'][0] != 'SET')
 			{
 				if ($GLOBALS['configuration']['db_encoding'] == 1)
 				{
 					$sortBy = "BASE64_DECODE($sortBy) ";
 				}
 				else
 				{
 					$sortBy = "$sortBy ";
 				}
 			}
 			else
 			{
 				$sortBy = "$sortBy ";
 			}
 		}
 		else
 		{
 			$sortBy = "recordid";
 		}
 		$this->pog_query .= " order by ".$sortBy." ".($ascending ? "asc" : "desc")." $sqlLimit";
 		$thisObjectName = get_class($this);
 		$cursor = Database::Reader($this->pog_query, $connection);
 		while ($row = Database::Read($cursor))
 		{
 			$record = new $thisObjectName();
 			$record->recordId = $row['recordid'];
 			$record->userId = $row['userid'];
 			$record->reference = $this->Unescape($row['reference']);
 			$record->data = $this->Unescape($row['data']);
 			$record->version = $this->Unescape($row['version']);
 			$record->creation_date = $row['creation_date'];
-			$record->update_date = $row['update_date'];
+			$oDate = strtotime($row['update_date']);
+			$record->update_date = date('r', $oDate);
 			$record->access_date = $row['access_date'];
 			$recordList[] = $record;
 		}
 		return $recordList;
 	}
 	
 	
 	/**
 	* Saves the object to the database
 	* @return integer $recordId
 	*/
 	function Save($deep = true)
 	{
 		$connection = Database::Connect();
+		$this->update_date = date( 'r');
+		$this->access_date = date( 'r');
 		$this->pog_query = "select `recordid` from `record` where `recordid`='".$this->recordId."' LIMIT 1";
 		$rows = Database::Query($this->pog_query, $connection);
 		if ($rows > 0)
 		{
 			$this->pog_query = "update `record` set 
 			`userid`='".$this->userId."', 
 			`reference`='".$this->Escape($this->reference)."', 
 			`data`='".$this->Escape($this->data)."', 
 			`version`='".$this->Escape($this->version)."', 
 			`creation_date`='".$this->creation_date."', 
 			`update_date`='".$this->update_date."', 
 			`access_date`='".$this->access_date."' where `recordid`='".$this->recordId."'";
 		}
 		else
 		{
 			$this->pog_query = "insert into `record` (`userid`, `reference`, `data`, `version`, `creation_date`, `update_date`, `access_date` ) values (
 			'".$this->userId."', 
 			'".$this->Escape($this->reference)."', 
 			'".$this->Escape($this->data)."', 
 			'".$this->Escape($this->version)."', 
 			'".$this->creation_date."', 
 			'".$this->update_date."', 
 			'".$this->access_date."' )";
 		}
 		$insertId = Database::InsertOrUpdate($this->pog_query, $connection);
 		if ($this->recordId == "")
 		{
 			$this->recordId = $insertId;
 		}
 		if ($deep)
 		{
 			foreach ($this->_recordversionList as $recordversion)
 			{
 				$recordversion->recordId = $this->recordId;
 				$recordversion->Save($deep);
 			}
 		}
 		return $this->recordId;
 	}
 	
 	
 	/**
 	* Clones the object and saves it to the database
 	* @return integer $recordId
 	*/
 	function SaveNew($deep = false)
 	{
 		$this->recordId = '';
+		$this->creation_date = date( 'Y-m-d H:i:s');
 		return $this->Save($deep);
 	}
 	
 	
 	/**
 	* Deletes the object from the database
 	* @return boolean
 	*/
 	function Delete($deep = false, $across = false)
 	{
 		if ($deep)
 		{
 			$recordversionList = $this->GetRecordversionList();
 			foreach ($recordversionList as $recordversion)
 			{
 				$recordversion->Delete($deep, $across);
 			}
 		}
 		$connection = Database::Connect();
 		$this->pog_query = "delete from `record` where `recordid`='".$this->recordId."'";
 		return Database::NonQuery($this->pog_query, $connection);
 	}
 	
 	
 	/**
 	* Deletes a list of objects that match given conditions
 	* @param multidimensional array {("field", "comparator", "value"), ("field", "comparator", "value"), ...} 
 	* @param bool $deep 
 	* @return 
 	*/
 	function DeleteList($fcv_array, $deep = false, $across = false)
 	{
 		if (sizeof($fcv_array) > 0)
 		{
 			if ($deep || $across)
 			{
 				$objectList = $this->GetList($fcv_array);
 				foreach ($objectList as $object)
 				{
 					$object->Delete($deep, $across);
 				}
 			}
 			else
 			{
 				$connection = Database::Connect();
 				$pog_query = "delete from `record` where ";
 				for ($i=0, $c=sizeof($fcv_array); $i<$c; $i++)
 				{
 					if (sizeof($fcv_array[$i]) == 1)
 					{
 						$pog_query .= " ".$fcv_array[$i][0]." ";
 						continue;
 					}
 					else
 					{
 						if ($i > 0 && sizeof($fcv_array[$i-1]) !== 1)
 						{
 							$pog_query .= " AND ";
 						}
 						if (isset($this->pog_attribute_type[$fcv_array[$i][0]]['db_attributes']) && $this->pog_attribute_type[$fcv_array[$i][0]]['db_attributes'][0] != 'NUMERIC' && $this->pog_attribute_type[$fcv_array[$i][0]]['db_attributes'][0] != 'SET')
 						{
 							$pog_query .= "`".$fcv_array[$i][0]."` ".$fcv_array[$i][1]." '".$this->Escape($fcv_array[$i][2])."'";
 						}
 						else
 						{
 							$pog_query .= "`".$fcv_array[$i][0]."` ".$fcv_array[$i][1]." '".$fcv_array[$i][2]."'";
 						}
 					}
 				}
 				return Database::NonQuery($pog_query, $connection);
 			}
 		}
 	}
 	
 	
 	/**
 	* Associates the user object to this one
 	* @return boolean
 	*/
 	function GetUser()
 	{
 		$user = new user();
 		return $user->Get($this->userId);
 	}
 	
 	
 	/**
 	* Associates the user object to this one
 	* @return 
 	*/
 	function SetUser(&$user)
 	{
 		$this->userId = $user->userId;
 	}
 	
 	
 	/**
 	* Gets a list of recordversion objects associated to this one
 	* @param multidimensional array {("field", "comparator", "value"), ("field", "comparator", "value"), ...} 
 	* @param string $sortBy 
 	* @param boolean $ascending 
 	* @param int limit 
 	* @return array of recordversion objects
 	*/
 	function GetRecordversionList($fcv_array = array(), $sortBy='', $ascending=true, $limit='')
 	{
 		$recordversion = new recordversion();
 		$fcv_array[] = array("recordId", "=", $this->recordId);
 		$dbObjects = $recordversion->GetList($fcv_array, $sortBy, $ascending, $limit);
 		return $dbObjects;
 	}
 	
 	
 	/**
 	* Makes this the parent of all recordversion objects in the recordversion List array. Any existing recordversion will become orphan(s)
 	* @return null
 	*/
 	function SetRecordversionList(&$list)
 	{
 		$this->_recordversionList = array();
 		$existingRecordversionList = $this->GetRecordversionList();
 		foreach ($existingRecordversionList as $recordversion)
 		{
 			$recordversion->recordId = '';
 			$recordversion->Save(false);
 		}
 		$this->_recordversionList = $list;
 	}
 	
 	
 	/**
 	* Associates the recordversion object to this one
 	* @return 
 	*/
 	function AddRecordversion(&$recordversion)
 	{
 		$recordversion->recordId = $this->recordId;
 		$found = false;
 		foreach($this->_recordversionList as $recordversion2)
 		{
 			if ($recordversion->recordversionId > 0 && $recordversion->recordversionId == $recordversion2->recordversionId)
 			{
 				$found = true;
 				break;
 			}
 		}
 		if (!$found)
 		{
 			$this->_recordversionList[] = $recordversion;
 		}
 	}
 }
 ?>
\ No newline at end of file
diff --git a/backend/php/src/objects/class.recordversion.php b/backend/php/src/objects/class.recordversion.php
index 3fbc436..f2de14a 100644
--- a/backend/php/src/objects/class.recordversion.php
+++ b/backend/php/src/objects/class.recordversion.php
@@ -1,381 +1,383 @@
 <?php
 /*
 	This SQL query will create the table to store your object.
 
 	CREATE TABLE `recordversion` (
 	`recordversionid` int(11) NOT NULL auto_increment,
 	`recordid` int(11) NOT NULL,
 	`reference` VARCHAR(255) NOT NULL,
 	`header` LONGTEXT NOT NULL,
 	`data` LONGTEXT NOT NULL,
 	`version` VARCHAR(255) NOT NULL,
 	`previous_version_key` VARCHAR(255) NOT NULL,
 	`previous_version_id` INT NOT NULL,
 	`creation_date` TIMESTAMP NOT NULL,
 	`update_date` TIMESTAMP NOT NULL,
 	`access_date` TIMESTAMP NOT NULL, INDEX(`recordid`), PRIMARY KEY  (`recordversionid`)) ENGINE=MyISAM;
 */
 
 /**
 * <b>recordversion</b> class with integrated CRUD methods.
 * @author Php Object Generator
 * @version POG 3.0e / PHP5.1 MYSQL
 * @see http://www.phpobjectgenerator.com/plog/tutorials/45/pdo-mysql
 * @copyright Free for personal & commercial use. (Offered under the BSD license)
 * @link http://www.phpobjectgenerator.com/?language=php5.1=pdo&pdoDriver=mysql&objectName=recordversion&attributeList=array+%28%0A++0+%3D%3E+%27record%27%2C%0A++1+%3D%3E+%27reference%27%2C%0A++2+%3D%3E+%27header%27%2C%0A++3+%3D%3E+%27data%27%2C%0A++4+%3D%3E+%27version%27%2C%0A++5+%3D%3E+%27previous_version_key%27%2C%0A++6+%3D%3E+%27previous_version_id%27%2C%0A++7+%3D%3E+%27creation_date%27%2C%0A++8+%3D%3E+%27update_date%27%2C%0A++9+%3D%3E+%27access_date%27%2C%0A%29&typeList=array%2B%2528%250A%2B%2B0%2B%253D%253E%2B%2527BELONGSTO%2527%252C%250A%2B%2B1%2B%253D%253E%2B%2527VARCHAR%2528255%2529%2527%252C%250A%2B%2B2%2B%253D%253E%2B%2527LONGTEXT%2527%252C%250A%2B%2B3%2B%253D%253E%2B%2527LONGTEXT%2527%252C%250A%2B%2B4%2B%253D%253E%2B%2527VARCHAR%2528255%2529%2527%252C%250A%2B%2B5%2B%253D%253E%2B%2527VARCHAR%2528255%2529%2527%252C%250A%2B%2B6%2B%253D%253E%2B%2527INT%2527%252C%250A%2B%2B7%2B%253D%253E%2B%2527TIMESTAMP%2527%252C%250A%2B%2B8%2B%253D%253E%2B%2527TIMESTAMP%2527%252C%250A%2B%2B9%2B%253D%253E%2B%2527TIMESTAMP%2527%252C%250A%2529
 */
 include_once('class.pog_base.php');
 class recordversion extends POG_Base
 {
 	public $recordversionId = '';
 
 	/**
 	 * @var INT(11)
 	 */
 	public $recordId;
 	
 	/**
 	 * @var VARCHAR(255)
 	 */
 	public $reference;
 	
 	/**
 	 * @var LONGTEXT
 	 */
 	public $header;
 	
 	/**
 	 * @var LONGTEXT
 	 */
 	public $data;
 	
 	/**
 	 * @var VARCHAR(255)
 	 */
 	public $version;
 	
 	/**
 	 * @var VARCHAR(255)
 	 */
 	public $previous_version_key;
 	
 	/**
 	 * @var INT
 	 */
 	public $previous_version_id;
 	
 	/**
 	 * @var TIMESTAMP
 	 */
 	public $creation_date;
 	
 	/**
 	 * @var TIMESTAMP
 	 */
 	public $update_date;
 	
 	/**
 	 * @var TIMESTAMP
 	 */
 	public $access_date;
 	
 	public $pog_attribute_type = array(
 		"recordversionId" => array('db_attributes' => array("NUMERIC", "INT")),
 		"record" => array('db_attributes' => array("OBJECT", "BELONGSTO")),
 		"reference" => array('db_attributes' => array("TEXT", "VARCHAR", "255")),
 		"header" => array('db_attributes' => array("TEXT", "LONGTEXT")),
 		"data" => array('db_attributes' => array("TEXT", "LONGTEXT")),
 		"version" => array('db_attributes' => array("TEXT", "VARCHAR", "255")),
 		"previous_version_key" => array('db_attributes' => array("TEXT", "VARCHAR", "255")),
 		"previous_version_id" => array('db_attributes' => array("NUMERIC", "INT")),
 		"creation_date" => array('db_attributes' => array("NUMERIC", "TIMESTAMP")),
 		"update_date" => array('db_attributes' => array("NUMERIC", "TIMESTAMP")),
 		"access_date" => array('db_attributes' => array("NUMERIC", "TIMESTAMP")),
 		);
 	public $pog_query;
 	
 	
 	/**
 	* Getter for some private attributes
 	* @return mixed $attribute
 	*/
 	public function __get($attribute)
 	{
 		if (isset($this->{"_".$attribute}))
 		{
 			return $this->{"_".$attribute};
 		}
 		else
 		{
 			return false;
 		}
 	}
 	
 	function recordversion($reference='', $header='', $data='', $version='', $previous_version_key='', $previous_version_id='', $creation_date='', $update_date='', $access_date='')
 	{
 		$this->reference = $reference;
 		$this->header = $header;
 		$this->data = $data;
 		$this->version = $version;
 		$this->previous_version_key = $previous_version_key;
 		$this->previous_version_id = $previous_version_id;
 		$this->creation_date = $creation_date;
 		$this->update_date = $update_date;
 		$this->access_date = $access_date;
 	}
 	
 	
 	/**
 	* Gets object from database
 	* @param integer $recordversionId 
 	* @return object $recordversion
 	*/
 	function Get($recordversionId)
 	{
 		$connection = Database::Connect();
 		$this->pog_query = "select * from `recordversion` where `recordversionid`='".intval($recordversionId)."' LIMIT 1";
 		$cursor = Database::Reader($this->pog_query, $connection);
 		while ($row = Database::Read($cursor))
 		{
 			$this->recordversionId = $row['recordversionid'];
 			$this->recordId = $row['recordid'];
 			$this->reference = $this->Unescape($row['reference']);
 			$this->header = $this->Unescape($row['header']);
 			$this->data = $this->Unescape($row['data']);
 			$this->version = $this->Unescape($row['version']);
 			$this->previous_version_key = $this->Unescape($row['previous_version_key']);
 			$this->previous_version_id = $this->Unescape($row['previous_version_id']);
 			$this->creation_date = $row['creation_date'];
 			$this->update_date = $row['update_date'];
 			$this->access_date = $row['access_date'];
 		}
 		return $this;
 	}
 	
 	
 	/**
 	* Returns a sorted array of objects that match given conditions
 	* @param multidimensional array {("field", "comparator", "value"), ("field", "comparator", "value"), ...} 
 	* @param string $sortBy 
 	* @param boolean $ascending 
 	* @param int limit 
 	* @return array $recordversionList
 	*/
 	function GetList($fcv_array = array(), $sortBy='', $ascending=true, $limit='')
 	{
 		$connection = Database::Connect();
 		$sqlLimit = ($limit != '' ? "LIMIT $limit" : '');
 		$this->pog_query = "select * from `recordversion` ";
 		$recordversionList = Array();
 		if (sizeof($fcv_array) > 0)
 		{
 			$this->pog_query .= " where ";
 			for ($i=0, $c=sizeof($fcv_array); $i<$c; $i++)
 			{
 				if (sizeof($fcv_array[$i]) == 1)
 				{
 					$this->pog_query .= " ".$fcv_array[$i][0]." ";
 					continue;
 				}
 				else
 				{
 					if ($i > 0 && sizeof($fcv_array[$i-1]) != 1)
 					{
 						$this->pog_query .= " AND ";
 					}
 					if (isset($this->pog_attribute_type[$fcv_array[$i][0]]['db_attributes']) && $this->pog_attribute_type[$fcv_array[$i][0]]['db_attributes'][0] != 'NUMERIC' && $this->pog_attribute_type[$fcv_array[$i][0]]['db_attributes'][0] != 'SET')
 					{
 						if ($GLOBALS['configuration']['db_encoding'] == 1)
 						{
 							$value = POG_Base::IsColumn($fcv_array[$i][2]) ? "BASE64_DECODE(".$fcv_array[$i][2].")" : "'".$fcv_array[$i][2]."'";
 							$this->pog_query .= "BASE64_DECODE(`".$fcv_array[$i][0]."`) ".$fcv_array[$i][1]." ".$value;
 						}
 						else
 						{
 							$value =  POG_Base::IsColumn($fcv_array[$i][2]) ? $fcv_array[$i][2] : "'".$this->Escape($fcv_array[$i][2])."'";
 							$this->pog_query .= "`".$fcv_array[$i][0]."` ".$fcv_array[$i][1]." ".$value;
 						}
 					}
 					else
 					{
 						$value = POG_Base::IsColumn($fcv_array[$i][2]) ? $fcv_array[$i][2] : "'".$fcv_array[$i][2]."'";
 						$this->pog_query .= "`".$fcv_array[$i][0]."` ".$fcv_array[$i][1]." ".$value;
 					}
 				}
 			}
 		}
 		if ($sortBy != '')
 		{
 			if (isset($this->pog_attribute_type[$sortBy]['db_attributes']) && $this->pog_attribute_type[$sortBy]['db_attributes'][0] != 'NUMERIC' && $this->pog_attribute_type[$sortBy]['db_attributes'][0] != 'SET')
 			{
 				if ($GLOBALS['configuration']['db_encoding'] == 1)
 				{
 					$sortBy = "BASE64_DECODE($sortBy) ";
 				}
 				else
 				{
 					$sortBy = "$sortBy ";
 				}
 			}
 			else
 			{
 				$sortBy = "$sortBy ";
 			}
 		}
 		else
 		{
 			$sortBy = "recordversionid";
 		}
 		$this->pog_query .= " order by ".$sortBy." ".($ascending ? "asc" : "desc")." $sqlLimit";
 		$thisObjectName = get_class($this);
 		$cursor = Database::Reader($this->pog_query, $connection);
 		while ($row = Database::Read($cursor))
 		{
 			$recordversion = new $thisObjectName();
 			$recordversion->recordversionId = $row['recordversionid'];
 			$recordversion->recordId = $row['recordid'];
 			$recordversion->reference = $this->Unescape($row['reference']);
 			$recordversion->header = $this->Unescape($row['header']);
 			$recordversion->data = $this->Unescape($row['data']);
 			$recordversion->version = $this->Unescape($row['version']);
 			$recordversion->previous_version_key = $this->Unescape($row['previous_version_key']);
 			$recordversion->previous_version_id = $this->Unescape($row['previous_version_id']);
 			$recordversion->creation_date = $row['creation_date'];
 			$recordversion->update_date = $row['update_date'];
 			$recordversion->access_date = $row['access_date'];
 			$recordversionList[] = $recordversion;
 		}
 		return $recordversionList;
 	}
 	
 	
 	/**
 	* Saves the object to the database
 	* @return integer $recordversionId
 	*/
 	function Save()
 	{
 		$connection = Database::Connect();
+		$this->update_date = date( 'Y-m-d H:i:s');
+		$this->access_date = date( 'Y-m-d H:i:s');
 		$this->pog_query = "select `recordversionid` from `recordversion` where `recordversionid`='".$this->recordversionId."' LIMIT 1";
 		$rows = Database::Query($this->pog_query, $connection);
 		if ($rows > 0)
 		{
 			$this->pog_query = "update `recordversion` set 
 			`recordid`='".$this->recordId."', 
 			`reference`='".$this->Escape($this->reference)."', 
 			`header`='".$this->Escape($this->header)."', 
 			`data`='".$this->Escape($this->data)."', 
 			`version`='".$this->Escape($this->version)."', 
 			`previous_version_key`='".$this->Escape($this->previous_version_key)."', 
 			`previous_version_id`='".$this->Escape($this->previous_version_id)."', 
 			`creation_date`='".$this->creation_date."', 
 			`update_date`='".$this->update_date."', 
 			`access_date`='".$this->access_date."' where `recordversionid`='".$this->recordversionId."'";
 		}
 		else
 		{
 			$this->pog_query = "insert into `recordversion` (`recordid`, `reference`, `header`, `data`, `version`, `previous_version_key`, `previous_version_id`, `creation_date`, `update_date`, `access_date` ) values (
 			'".$this->recordId."', 
 			'".$this->Escape($this->reference)."', 
 			'".$this->Escape($this->header)."', 
 			'".$this->Escape($this->data)."', 
 			'".$this->Escape($this->version)."', 
 			'".$this->Escape($this->previous_version_key)."', 
 			'".$this->Escape($this->previous_version_id)."', 
 			'".$this->creation_date."', 
 			'".$this->update_date."', 
 			'".$this->access_date."' )";
 		}
 		$insertId = Database::InsertOrUpdate($this->pog_query, $connection);
 		if ($this->recordversionId == "")
 		{
 			$this->recordversionId = $insertId;
 		}
 		return $this->recordversionId;
 	}
 	
 	
 	/**
 	* Clones the object and saves it to the database
 	* @return integer $recordversionId
 	*/
 	function SaveNew()
 	{
 		$this->recordversionId = '';
 		return $this->Save();
 	}
 	
 	
 	/**
 	* Deletes the object from the database
 	* @return boolean
 	*/
 	function Delete()
 	{
 		$connection = Database::Connect();
 		$this->pog_query = "delete from `recordversion` where `recordversionid`='".$this->recordversionId."'";
 		return Database::NonQuery($this->pog_query, $connection);
 	}
 	
 	
 	/**
 	* Deletes a list of objects that match given conditions
 	* @param multidimensional array {("field", "comparator", "value"), ("field", "comparator", "value"), ...} 
 	* @param bool $deep 
 	* @return 
 	*/
 	function DeleteList($fcv_array)
 	{
 		if (sizeof($fcv_array) > 0)
 		{
 			$connection = Database::Connect();
 			$pog_query = "delete from `recordversion` where ";
 			for ($i=0, $c=sizeof($fcv_array); $i<$c; $i++)
 			{
 				if (sizeof($fcv_array[$i]) == 1)
 				{
 					$pog_query .= " ".$fcv_array[$i][0]." ";
 					continue;
 				}
 				else
 				{
 					if ($i > 0 && sizeof($fcv_array[$i-1]) !== 1)
 					{
 						$pog_query .= " AND ";
 					}
 					if (isset($this->pog_attribute_type[$fcv_array[$i][0]]['db_attributes']) && $this->pog_attribute_type[$fcv_array[$i][0]]['db_attributes'][0] != 'NUMERIC' && $this->pog_attribute_type[$fcv_array[$i][0]]['db_attributes'][0] != 'SET')
 					{
 						$pog_query .= "`".$fcv_array[$i][0]."` ".$fcv_array[$i][1]." '".$this->Escape($fcv_array[$i][2])."'";
 					}
 					else
 					{
 						$pog_query .= "`".$fcv_array[$i][0]."` ".$fcv_array[$i][1]." '".$fcv_array[$i][2]."'";
 					}
 				}
 			}
 			return Database::NonQuery($pog_query, $connection);
 		}
 	}
 	
 	
 	/**
 	* Associates the record object to this one
 	* @return boolean
 	*/
 	function GetRecord()
 	{
 		$record = new record();
 		return $record->Get($this->recordId);
 	}
 	
 	
 	/**
 	* Associates the record object to this one
 	* @return 
 	*/
 	function SetRecord(&$record)
 	{
 		$this->recordId = $record->recordId;
 	}
 }
 ?>
\ No newline at end of file