diff --git a/application/utils.inc.php b/application/utils.inc.php
index 68b3c165d..8ea14beac 100644
--- a/application/utils.inc.php
+++ b/application/utils.inc.php
@@ -1,1950 +1,1950 @@
-<?php
-use Html2Text\Html2Text;
-use Leafo\ScssPhp\Compiler;
-// Copyright (C) 2010-2017 Combodo SARL
-//
-//   This file is part of iTop.
-//
-//   iTop is free software; you can redistribute it and/or modify	
-//   it under the terms of the GNU Affero General Public License as published by
-//   the Free Software Foundation, either version 3 of the License, or
-//   (at your option) any later version.
-//
-//   iTop is distributed in the hope that it will be useful,
-//   but WITHOUT ANY WARRANTY; without even the implied warranty of
-//   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-//   GNU Affero General Public License for more details.
-//
-//   You should have received a copy of the GNU Affero General Public License
-//   along with iTop. If not, see <http://www.gnu.org/licenses/>
-
-
-/**
- * Static class utils
- *
- * @copyright   Copyright (C) 2010-2017 Combodo SARL
- * @license     http://opensource.org/licenses/AGPL-3.0
- */
-
-require_once(APPROOT.'/core/config.class.inc.php');
-require_once(APPROOT.'/application/transaction.class.inc.php');
-require_once(APPROOT.'application/Html2Text.php');
-require_once(APPROOT.'application/Html2TextException.php');
-
-define('ITOP_CONFIG_FILE', 'config-itop.php');
-define('ITOP_DEFAULT_CONFIG_FILE', APPCONF.ITOP_DEFAULT_ENV.'/'.ITOP_CONFIG_FILE);
-
-define('SERVER_NAME_PLACEHOLDER', '$SERVER_NAME$');
-
-define('SERVER_MAX_URL_LENGTH', 2048);
-
-class FileUploadException extends Exception
-{
-}
-
-
-/**
- * Helper functions to interact with forms: read parameters, upload files...
- * @package     iTop
- */
-class utils
-{
-	private static $oConfig = null;
-	private static $m_bCASClient = false;
-
-	// Parameters loaded from a file, parameters of the page/command line still have precedence
-	private static $m_aParamsFromFile = null;
-	private static $m_aParamSource = array();
-
-	protected static function LoadParamFile($sParamFile)
-	{
-		if (!file_exists($sParamFile))
-		{
-			throw new Exception("Could not find the parameter file: '$sParamFile'");
-		}
-		if (!is_readable($sParamFile))
-		{
-			throw new Exception("Could not load parameter file: '$sParamFile'");
-		}
-		$sParams = file_get_contents($sParamFile);
-
-		if (is_null(self::$m_aParamsFromFile))
-		{
-			self::$m_aParamsFromFile = array();
-		}
-
-		$aParamLines = explode("\n", $sParams);
-		foreach ($aParamLines as $sLine)
-		{
-			$sLine = trim($sLine);
-
-			// Ignore the line after a '#'
-			if (($iCommentPos = strpos($sLine, '#')) !== false)
-			{
-				$sLine = substr($sLine, 0, $iCommentPos);
-				$sLine = trim($sLine);
-			}
-
-			// Note: the line is supposed to be already trimmed
-			if (preg_match('/^(\S*)\s*=(.*)$/', $sLine, $aMatches))
-			{
-				$sParam = $aMatches[1];
-				$value = trim($aMatches[2]);
-				self::$m_aParamsFromFile[$sParam] = $value;
-				self::$m_aParamSource[$sParam] = $sParamFile;
-			}
-		}
-	}
-
-	public static function UseParamFile($sParamFileArgName = 'param_file', $bAllowCLI = true)
-	{
-		$sFileSpec = self::ReadParam($sParamFileArgName, '', $bAllowCLI, 'raw_data');
-		foreach(explode(',', $sFileSpec) as $sFile)
-		{
-			$sFile = trim($sFile);
-			if (!empty($sFile))
-			{
-				self::LoadParamFile($sFile);
-			}
-		}
-	}
-
-	/**
-	 * Return the source file from which the parameter has been found,
-	 * usefull when it comes to pass user credential to a process executed
-	 * in the background	 
-	 * @param $sName Parameter name
-	 * @return The file name if any, or null
-	 */
-	public static function GetParamSourceFile($sName)
-	{
-		if (array_key_exists($sName, self::$m_aParamSource))
-		{
-			return self::$m_aParamSource[$sName];
-		}
-		else
-		{
-			return null;
-		}
-	}
-
-	public static function IsModeCLI()
-	{
-		$sSAPIName = php_sapi_name();
-		$sCleanName = strtolower(trim($sSAPIName));
-		if ($sCleanName == 'cli')
-		{
-			return true;
-		}
-		else
-		{
-			return false;
-		}
-	}
-
-	protected static $bPageMode = null;
-	/**
-	 * @var boolean[]
-	 */
-	protected static $aModes = array();
-
-	public static function InitArchiveMode()
-	{
-		if (isset($_SESSION['archive_mode']))
-		{
-			$iDefault = $_SESSION['archive_mode'];
-		}
-		else
-		{
-			$iDefault = 0;
-		}
-		// Read and record the value for switching the archive mode
-		$iCurrent = self::ReadParam('with-archive', $iDefault);
-		if (isset($_SESSION))
-		{
-			$_SESSION['archive_mode'] = $iCurrent;
-		}
-		// Read and use the value for the current page (web services)
-		$iCurrent = self::ReadParam('with_archive', $iCurrent, true);
-		self::$bPageMode = ($iCurrent == 1);
-	}
-
-	/**
-	 * @param boolean $bMode if true then activate archive mode (archived objects are visible), otherwise archived objects are
-	 *     hidden (archive = "soft deletion")
-	 */
-	public static function PushArchiveMode($bMode)
-	{
-		array_push(self::$aModes, $bMode);
-	}
-
-	public static function PopArchiveMode()
-	{
-		array_pop(self::$aModes);
-	}
-
-	/**
-	 * @return boolean true if archive mode is enabled
-	 */
-	public static function IsArchiveMode()
-	{
-		if (count(self::$aModes) > 0)
-		{
-			$bRet = end(self::$aModes);
-		}
-		else
-		{
-			if (self::$bPageMode === null)
-			{
-				self::InitArchiveMode();
-			}
-			$bRet = self::$bPageMode;
-		}
-		return $bRet;
-	}
-
-	/**
-	 * Helper to be called by the GUI and define if the user will see obsolete data (otherwise, the user will have to dig further)
-	 * @return bool
-	 */
-	public static function ShowObsoleteData()
-	{
-		$bDefault = MetaModel::GetConfig()->Get('obsolescence.show_obsolete_data'); // default is false
-		$bShow = appUserPreferences::GetPref('show_obsolete_data', $bDefault);
-		if (static::IsArchiveMode())
-		{
-			$bShow = true;
-		}
-		return $bShow;
-	}
-
-	public static function ReadParam($sName, $defaultValue = "", $bAllowCLI = false, $sSanitizationFilter = 'parameter')
-	{
-		global $argv;
-		$retValue = $defaultValue;
-
-		if (!is_null(self::$m_aParamsFromFile))
-		{
-			if (isset(self::$m_aParamsFromFile[$sName]))
-			{
-				$retValue = self::$m_aParamsFromFile[$sName];
-			}
-		}
-
-		if (isset($_REQUEST[$sName]))
-		{
-			$retValue = $_REQUEST[$sName];
-		}
-		elseif ($bAllowCLI && isset($argv))
-		{
-			foreach($argv as $iArg => $sArg)
-			{
-				if (preg_match('/^--'.$sName.'=(.*)$/', $sArg, $aMatches))
-				{
-					$retValue = $aMatches[1];
-				}
-			}
-		}
-		return self::Sanitize($retValue, $defaultValue, $sSanitizationFilter);
-	}
-	
-	public static function ReadPostedParam($sName, $defaultValue = '', $sSanitizationFilter = 'parameter')
-	{
-		$retValue = isset($_POST[$sName]) ? $_POST[$sName] : $defaultValue;
-		return self::Sanitize($retValue, $defaultValue, $sSanitizationFilter);
-	}
-	
-	public static function Sanitize($value, $defaultValue, $sSanitizationFilter)
-	{
-		if ($value === $defaultValue)
-		{
-			// Preserve the real default value (can be used to detect missing mandatory parameters)
-			$retValue = $value;
-		}
-		else
-		{
-			$retValue = self::Sanitize_Internal($value, $sSanitizationFilter);
-			if ($retValue === false)
-			{
-				$retValue = $defaultValue;
-			}
-		}
-		return $retValue;		
-	}
-	
-	protected static function Sanitize_Internal($value, $sSanitizationFilter)
-	{
-		switch($sSanitizationFilter)
-		{
-			case 'integer':
-			$retValue = filter_var($value, FILTER_SANITIZE_NUMBER_INT);
-			break;
-			
-			case 'class':
-			$retValue = $value;
-			if (!MetaModel::IsValidClass($value))
-			{
-				$retValue = false;
-			}
-			break;
-
-			case 'string':
-			$retValue = filter_var($value, FILTER_SANITIZE_SPECIAL_CHARS);
-			break;
-			
-			case 'context_param':
-			case 'parameter':
-			case 'field_name':
-			if (is_array($value))
-			{
-				$retValue = array();
-				foreach($value as $key => $val)
-				{
-					$retValue[$key] = self::Sanitize_Internal($val, $sSanitizationFilter); // recursively check arrays
-					if ($retValue[$key] === false)
-					{
-						$retValue = false;
-						break;
-					}
-				}
-			}
-			else
-			{
-				switch($sSanitizationFilter)
-				{
-					case 'parameter':
-					$retValue = filter_var($value, FILTER_VALIDATE_REGEXP, array("options"=>array("regexp"=>'/^([ A-Za-z0-9_=-]|%3D|%2B|%2F)*$/'))); // the '=', '%3D, '%2B', '%2F' characters are used in serialized filters (starting 2.5, only the url encoded versions are presents, but the "=" is kept for BC)
-					break;
-					
-					case 'field_name':
-					$retValue = filter_var($value, FILTER_VALIDATE_REGEXP, array("options"=>array("regexp"=>'/^[A-Za-z0-9_]+(->[A-Za-z0-9_]+)*$/'))); // att_code or att_code->name or AttCode->Name or AttCode->Key2->Name
-					break;
-					
-					case 'context_param':
-					$retValue = filter_var($value, FILTER_VALIDATE_REGEXP, array("options"=>array("regexp"=>'/^[ A-Za-z0-9_=%:+-]*$/')));
-					break;
-						
-				}
-			}
-			break;
-						
-			default:
-			case 'raw_data':
-			$retValue = $value;
-			// Do nothing
-		}
-		return $retValue;		
-	}
-	
-	/**
-	 * Reads an uploaded file and turns it into an ormDocument object - Triggers an exception in case of error
-	 * @param string $sName Name of the input used from uploading the file	 
-	 * @param string $sIndex If Name is an array of posted files, then the index must be used to point out the file	 
-	 * @return ormDocument The uploaded file (can be 'empty' if nothing was uploaded)
-	 */	 	 
-	public static function  ReadPostedDocument($sName, $sIndex = null)
-	{
-		$oDocument = new ormDocument(); // an empty document
-		if(isset($_FILES[$sName]))
-		{
-			$aFileInfo = $_FILES[$sName];
-
-			$sError = is_null($sIndex) ? $aFileInfo['error'] : $aFileInfo['error'][$sIndex];
-			switch($sError)
-			{
-				case UPLOAD_ERR_OK:
-				$sTmpName = is_null($sIndex) ? $aFileInfo['tmp_name'] : $aFileInfo['tmp_name'][$sIndex];
-				$sMimeType = is_null($sIndex) ? $aFileInfo['type'] : $aFileInfo['type'][$sIndex];
-				$sName = is_null($sIndex) ? $aFileInfo['name'] : $aFileInfo['name'][$sIndex];
-
-				$doc_content = file_get_contents($sTmpName);
-				if (function_exists('finfo_file'))
-				{
-					// as of PHP 5.3 the fileinfo extension is bundled within PHP
-					// in which case we don't trust the mime type provided by the browser
-					$rInfo = @finfo_open(FILEINFO_MIME_TYPE); // return mime type ala mimetype extension
-					if ($rInfo !== false)
-					{
-					   $sType = @finfo_file($rInfo, $sTmpName);
-					   if ( ($sType !== false)
-					        && is_string($sType)
-					        && (strlen($sType)>0))
-					   {
-					        $sMimeType = $sType;
-					   }
-					}
-					@finfo_close($rInfo);
-				}
-				$oDocument = new ormDocument($doc_content, $sMimeType, $sName);
-				break;
-				
-				case UPLOAD_ERR_NO_FILE:
-				// no file to load, it's a normal case, just return an empty document
-				break;
-				
-				case UPLOAD_ERR_FORM_SIZE:
-				case UPLOAD_ERR_INI_SIZE:
-				throw new FileUploadException(Dict::Format('UI:Error:UploadedFileTooBig', ini_get('upload_max_filesize')));
-				break;
-
-				case UPLOAD_ERR_PARTIAL:
-				throw new FileUploadException(Dict::S('UI:Error:UploadedFileTruncated.'));
-				break;
-				
-				case UPLOAD_ERR_NO_TMP_DIR:
-				throw new FileUploadException(Dict::S('UI:Error:NoTmpDir'));
-				break;
-
-				case UPLOAD_ERR_CANT_WRITE:
-				throw new FileUploadException(Dict::Format('UI:Error:CannotWriteToTmp_Dir', ini_get('upload_tmp_dir')));
-				break;
-
-				case UPLOAD_ERR_EXTENSION:
-				$sName = is_null($sIndex) ? $aFileInfo['name'] : $aFileInfo['name'][$sIndex];
-				throw new FileUploadException(Dict::Format('UI:Error:UploadStoppedByExtension_FileName', $sName));
-				break;
-				
-				default:
-				throw new FileUploadException(Dict::Format('UI:Error:UploadFailedUnknownCause_Code', $sError));
-				break;
-
-			}
-		}
-		return $oDocument;
-	}
-	
-	/**
-	 * Interprets the results posted by a normal or paginated list (in multiple selection mode)
-	 *
-	 * @param $oFullSetFilter DBSearch The criteria defining the whole sets of objects being selected
-	 *
-	 * @return Array An array of object IDs corresponding to the objects selected in the set
-	 */	
-	public static function ReadMultipleSelection($oFullSetFilter)
-	{
-		$aSelectedObj = utils::ReadParam('selectObject', array());
-		$sSelectionMode = utils::ReadParam('selectionMode', '');
-		if ($sSelectionMode != '')
-		{
-			// Paginated selection
-			$aExceptions = utils::ReadParam('storedSelection', array());
-			if ($sSelectionMode == 'positive')
-			{
-				// Only the explicitely listed items are selected
-				$aSelectedObj = $aExceptions;
-			}
-			else
-			{
-				// All items of the set are selected, except the one explicitely listed
-				$aSelectedObj = array();
-				$oFullSet = new DBObjectSet($oFullSetFilter);
-				$sClassAlias = $oFullSetFilter->GetClassAlias();
-				$oFullSet->OptimizeColumnLoad(array($sClassAlias => array('friendlyname'))); // We really need only the IDs but it does not work since id is not a real field
-				while($oObj = $oFullSet->Fetch())
-				{
-					if (!in_array($oObj->GetKey(), $aExceptions))
-					{
-						$aSelectedObj[] = $oObj->GetKey();
-					}
-				}
-			}
-		}
-		return $aSelectedObj;
-	}
-
-	/**
-	 * Interprets the results posted by a normal or paginated list (in multiple selection mode)
-	 *
-	 * @param DBSearch $oFullSetFilter The criteria defining the whole sets of objects being selected
-	 *
-	 * @return Array An array of object IDs:friendlyname corresponding to the objects selected in the set
-	 * @throws \CoreException
-	 */
-	public static function ReadMultipleSelectionWithFriendlyname($oFullSetFilter)
-	{
-		$sSelectionMode = utils::ReadParam('selectionMode', '');
-
-		if ($sSelectionMode === '')
-		{
-			throw new CoreException('selectionMode is mandatory');
-		}
-
-		// Paginated selection
-		$aSelectedIds = utils::ReadParam('storedSelection', array());
-		if (count($aSelectedIds) > 0 )
-		{
-			if ($sSelectionMode == 'positive')
-			{
-				// Only the explicitly listed items are selected
-				$oFullSetFilter->AddCondition('id', $aSelectedIds, 'IN');
-			}
-			else
-			{
-				// All items of the set are selected, except the one explicitly listed
-				$oFullSetFilter->AddCondition('id', $aSelectedIds, 'NOTIN');
-			}
-		}
-
-		$aSelectedObj = array();
-		$oFullSet = new DBObjectSet($oFullSetFilter);
-		$sClassAlias = $oFullSetFilter->GetClassAlias();
-		$oFullSet->OptimizeColumnLoad(array($sClassAlias => array('friendlyname'))); // We really need only the IDs but it does not work since id is not a real field
-		while ($oObj = $oFullSet->Fetch())
-		{
-			$aSelectedObj[$oObj->GetKey()] = $oObj->Get('friendlyname');
-		}
-
-		return $aSelectedObj;
-	}
-	
-	public static function GetNewTransactionId()
-	{
-		return privUITransaction::GetNewTransactionId();
-	}
-	
-	public static function IsTransactionValid($sId, $bRemoveTransaction = true)
-	{
-		return privUITransaction::IsTransactionValid($sId, $bRemoveTransaction);
-	}
-	
-	public static function RemoveTransaction($sId)
-	{
-		return privUITransaction::RemoveTransaction($sId);
-	}
-
-	/**
-	 * Returns a unique tmp id for the current upload based on the transaction system (db).
-	 *
-	 * Build as session_id() . '_' . static::GetNewTransactionId()
-	 *
-	 * @return string
-	 */
-	public static function GetUploadTempId($sTransactionId = null)
-	{
-		if ($sTransactionId === null)
-		{
-			$sTransactionId = static::GetNewTransactionId();
-		}
-		return session_id() . '_' . $sTransactionId;
-	}
-
-	public static function ReadFromFile($sFileName)
-	{
-		if (!file_exists($sFileName)) return false;
-		return file_get_contents($sFileName);
-	}
-
-	/**
-	 * Helper function to convert a value expressed in a 'user friendly format'
-	 * as in php.ini, e.g. 256k, 2M, 1G etc. Into a number of bytes
-	 * @param mixed $value The value as read from php.ini
-	 * @return number
-	 */	 	  
-	public static function ConvertToBytes( $value )
-	{
-		$iReturn = $value;
-	    if ( !is_numeric( $value ) )
-		{
-	        $iLength = strlen( $value );
-	        $iReturn = substr( $value, 0, $iLength - 1 );
-	        $sUnit = strtoupper( substr( $value, $iLength - 1 ) );
-	        switch ( $sUnit )
-			{
-	            case 'G':
-	                $iReturn *= 1024;
-	            case 'M':
-	                $iReturn *= 1024;
-	            case 'K':
-	                $iReturn *= 1024;
-	        }
-	    }
-        return $iReturn;
-    }
-
-	/**
-	 * Format a value into a more friendly format (KB, MB, GB, TB) instead a juste a Bytes amount.
-	 *
-	 * @param type $value
-	 * @return string
-	 */
-	public static function BytesToFriendlyFormat($value)
-	{
-		$sReturn = '';
-		// Kilobytes
-		if ($value >= 1024)
-		{
-			$sReturn = 'K';
-			$value = $value / 1024;
-		}
-		// Megabytes
-		if ($value >= 1024)
-		{
-			$sReturn = 'M';
-			$value = $value / 1024;
-		}
-		// Gigabytes
-		if ($value >= 1024)
-		{
-			$sReturn = 'G';
-			$value = $value / 1024;
-		}
-		// Terabytes
-		if ($value >= 1024)
-		{
-			$sReturn = 'T';
-			$value = $value / 1024;
-		}
-
-		$value = round($value, 1);
-
-		return $value . '' . $sReturn . 'B';
-	}
-
-	/**
-	 * Helper function to convert a string to a date, given a format specification. It replaces strtotime which does not allow for specifying a date in a french format (for instance)
-	 * Example: StringToTime('01/05/11 12:03:45', '%d/%m/%y %H:%i:%s')
-	 * @param string $sDate
-	 * @param string $sFormat
-	 * @return timestamp or false if the input format is not correct
-	 */	 	  
-	public static function StringToTime($sDate, $sFormat)
-	{
-	   // Source: http://php.net/manual/fr/function.strftime.php
-		// (alternative: http://www.php.net/manual/fr/datetime.formats.date.php)
-		static $aDateTokens = null;
-		static $aDateRegexps = null;
-		if (is_null($aDateTokens))
-		{
-		   $aSpec = array(
-				'%d' =>'(?<day>[0-9]{2})',
-				'%m' => '(?<month>[0-9]{2})',
-				'%y' => '(?<year>[0-9]{2})',
-				'%Y' => '(?<year>[0-9]{4})',
-				'%H' => '(?<hour>[0-2][0-9])',
-				'%i' => '(?<minute>[0-5][0-9])',
-				'%s' => '(?<second>[0-5][0-9])',
-				);
-			$aDateTokens = array_keys($aSpec);
-			$aDateRegexps = array_values($aSpec);
-		}
-	   
-	   $sDateRegexp = str_replace($aDateTokens, $aDateRegexps, $sFormat);
-	   
-	   if (preg_match('!^(?<head>)'.$sDateRegexp.'(?<tail>)$!', $sDate, $aMatches))
-	   {
-			$sYear = isset($aMatches['year']) ? $aMatches['year'] : 0;
-			$sMonth = isset($aMatches['month']) ? $aMatches['month'] : 1;
-			$sDay = isset($aMatches['day']) ? $aMatches['day'] : 1;
-			$sHour = isset($aMatches['hour']) ? $aMatches['hour'] : 0;
-			$sMinute = isset($aMatches['minute']) ? $aMatches['minute'] : 0;
-			$sSecond = isset($aMatches['second']) ? $aMatches['second'] : 0;
-			return strtotime("$sYear-$sMonth-$sDay $sHour:$sMinute:$sSecond");
-		}
-	   else
-	   {
-	   	return false;
-	   }
-	   // http://www.spaweditor.com/scripts/regex/index.php
-	}
-	
-	/**
-	 * Convert an old date/time format specifciation (using % placeholders)
-	 * to a format compatible with DateTime::createFromFormat
-	 * @param string $sOldDateTimeFormat
-	 * @return string
-	 */
-	static public function DateTimeFormatToPHP($sOldDateTimeFormat)
-	{
-		$aSearch = array('%d', '%m', '%y', '%Y', '%H', '%i', '%s');
-		$aReplacement = array('d', 'm', 'y', 'Y', 'H', 'i', 's');
-		return str_replace($aSearch, $aReplacement, $sOldDateTimeFormat);
-	}
-
-	/**
-	 * @return \Config from the current environement, or if not existing from the production env, else new Config made from scratch
-	 * @uses \MetaModel::GetConfig() don't forget to add the needed <code>require_once(APPROOT.'core/metamodel.class.php');</code>
-	 */
-	static public function GetConfig()
-	{
-		if (self::$oConfig == null)
-		{
-		    self::$oConfig = MetaModel::GetConfig();
-
-		    if (self::$oConfig == null)
-		    {
-    			$sConfigFile = self::GetConfigFilePath();
-    			if (!file_exists($sConfigFile))
-    			{
-				    $sConfigFile = self::GetConfigFilePath('production');
-				    if (!file_exists($sConfigFile))
-				    {
-				    	$sConfigFile = null;
-				    }
-    			}
-
-			    self::$oConfig = new Config($sConfigFile);
-		    }
-		}
-		return self::$oConfig;
-	}
-
-	public static function InitTimeZone() {
-		$oConfig = self::GetConfig();
-		$sItopTimeZone = $oConfig->Get('timezone');
-
-		if (!empty($sItopTimeZone))
-		{
-			date_default_timezone_set($sItopTimeZone);
-		}
-		else
-		{
-			// Leave as is... up to the admin to set a value somewhere...
-			// see http://php.net/manual/en/datetime.configuration.php#ini.date.timezone
-		}
-	}
-
-    /**
-     * Returns the absolute URL to the application root path
-     * @return string The absolute URL to the application root, without the first slash
-     */                   
-	static public function GetAbsoluteUrlAppRoot()
-	{
-		static $sUrl = null;
-		if ($sUrl === null)
-		{
-			$sUrl = self::GetConfig()->Get('app_root_url');
-			if ($sUrl == '')
-			{
-				$sUrl = self::GetDefaultUrlAppRoot();
-			}
-			elseif (strpos($sUrl, SERVER_NAME_PLACEHOLDER) > -1)
-			{
-				if (isset($_SERVER['SERVER_NAME']))
-				{
-					$sServerName = $_SERVER['SERVER_NAME'];
-				}
-				else
-				{
-					// CLI mode ?
-					$sServerName = php_uname('n');
-				}
-				$sUrl = str_replace(SERVER_NAME_PLACEHOLDER, $sServerName, $sUrl);
-			}
-		}
-		return $sUrl;
-	}
-
-	static public function GetDefaultUrlAppRoot()
-	{
-		// Build an absolute URL to this page on this server/port
-		$sServerName = isset($_SERVER['SERVER_NAME']) ? $_SERVER['SERVER_NAME'] : '';
-		$sProtocol = self::IsConnectionSecure() ? 'https' : 'http';
-		$iPort = isset($_SERVER['SERVER_PORT']) ? $_SERVER['SERVER_PORT'] : 80;
-		if ($sProtocol == 'http')
-		{
-			$sPort = ($iPort == 80) ? '' : ':'.$iPort;
-		}
-		else
-		{
-			$sPort = ($iPort == 443) ? '' : ':'.$iPort;
-		}
-		// $_SERVER['REQUEST_URI'] is empty when running on IIS
-		// Let's use Ivan Tcholakov's fix (found on www.dokeos.com)
-		if (!empty($_SERVER['REQUEST_URI']))
-		{
-			$sPath = $_SERVER['REQUEST_URI'];
-		}
-		else
-		{
-			$sPath = $_SERVER['SCRIPT_NAME'];
-			if (!empty($_SERVER['QUERY_STRING']))
-			{
-				$sPath .= '?'.$_SERVER['QUERY_STRING'];
-			}
-			$_SERVER['REQUEST_URI'] = $sPath;
-		}
-		$sPath = $_SERVER['REQUEST_URI'];
-
-		// remove all the parameters from the query string
-		$iQuestionMarkPos = strpos($sPath, '?');
-		if ($iQuestionMarkPos !== false)
-		{
-			$sPath = substr($sPath, 0, $iQuestionMarkPos);
-		}
-		$sAbsoluteUrl = "$sProtocol://{$sServerName}{$sPort}{$sPath}";
-
-		$sCurrentScript = realpath($_SERVER['SCRIPT_FILENAME']);
-		$sCurrentScript = str_replace('\\', '/', $sCurrentScript); // canonical path
-		$sAppRoot = str_replace('\\', '/', APPROOT); // canonical path
-		$sCurrentRelativePath = str_replace($sAppRoot, '', $sCurrentScript);
-	
-		$sAppRootPos = strpos($sAbsoluteUrl, $sCurrentRelativePath);
-		if ($sAppRootPos !== false)
-		{
-			$sAppRootUrl = substr($sAbsoluteUrl, 0, $sAppRootPos); // remove the current page and path
-		}
-		else
-		{
-			// Second attempt without index.php at the end...
-			$sCurrentRelativePath = str_replace('index.php', '', $sCurrentRelativePath);
-			$sAppRootPos = strpos($sAbsoluteUrl, $sCurrentRelativePath);
-			if ($sAppRootPos !== false)
-			{
-				$sAppRootUrl = substr($sAbsoluteUrl, 0, $sAppRootPos); // remove the current page and path
-			}
-			else
-			{
-				// No luck...
-				throw new Exception("Failed to determine application root path $sAbsoluteUrl ($sCurrentRelativePath) APPROOT:'$sAppRoot'");
-			}			
-		}
-		return $sAppRootUrl;
-	}
-
-	/**
-	 * Helper to handle the variety of HTTP servers
-	 * See #286 (fixed in [896]), and #634 (this fix)
-	 * 	 
-	 * Though the official specs says 'a non empty string', some servers like IIS do set it to 'off' !
-	 * nginx set it to an empty string
-	 * Others might leave it unset (no array entry)	 
-	 */	 	
-	static public function IsConnectionSecure()
-	{
-		$bSecured = false;
-
-		if (!empty($_SERVER['HTTPS']) && (strtolower($_SERVER['HTTPS']) != 'off'))
-		{
-			$bSecured = true;
-		}
-		return $bSecured;
-	}
-
-	/**
-	 * Tells whether or not log off operation is supported.
-	 * Actually in only one case:
-	 * 1) iTop is using an internal authentication
-	 * 2) the user did not log-in using the "basic" mode (i.e basic authentication) or by passing credentials in the URL
-	 * @return boolean True if logoff is supported, false otherwise
-	 */
-	static function CanLogOff()
-	{
-		$bResult = false;
-		if(isset($_SESSION['login_mode']))
-		{
-			$sLoginMode = $_SESSION['login_mode'];
-			switch($sLoginMode)
-			{
-				case 'external':
-				$bResult = false;
-				break;
-	
-				case 'form':
-				case 'basic':
-				case 'url':
-				case 'cas':
-				default:
-				$bResult = true;
-				
-			}			
-		}
-		return $bResult;
-	}
-
-	/**
-	 * Initializes the CAS client
-	 */
-	 static function InitCASClient()
-	 {
-		$sCASIncludePath =  self::GetConfig()->Get('cas_include_path');
-		include_once($sCASIncludePath.'/CAS.php');
-		
-		$bCASDebug = self::GetConfig()->Get('cas_debug');
-		if ($bCASDebug)
-		{
-			phpCAS::setDebug(APPROOT.'log/error.log');
-		}
-		
-		if (!self::$m_bCASClient)
-		{
-			// Initialize phpCAS
-			$sCASVersion = self::GetConfig()->Get('cas_version');
-			$sCASHost = self::GetConfig()->Get('cas_host');
-			$iCASPort = self::GetConfig()->Get('cas_port');
-			$sCASContext = self::GetConfig()->Get('cas_context');
-			phpCAS::client($sCASVersion, $sCASHost, $iCASPort, $sCASContext, false /* session already started */);
-			self::$m_bCASClient = true;
-			$sCASCACertPath = self::GetConfig()->Get('cas_server_ca_cert_path');
-			if (empty($sCASCACertPath))
-			{
-				// If no certificate authority is provided, do not attempt to validate
-				// the server's certificate
-				// THIS SETTING IS NOT RECOMMENDED FOR PRODUCTION. 
-				// VALIDATING THE CAS SERVER IS CRUCIAL TO THE SECURITY OF THE CAS PROTOCOL! 
-				phpCAS::setNoCasServerValidation();
-			}
-			else
-			{
-				phpCAS::setCasServerCACert($sCASCACertPath);
-			}			
-		}
-	 }
-	 
-	 static function DebugBacktrace($iLimit = 5)
-	 {
-		$aFullTrace = debug_backtrace();
-		$aLightTrace = array();
-		for($i=1; ($i<=$iLimit && $i < count($aFullTrace)); $i++) // Skip the last function call... which is the call to this function !
-		{
-			$aLightTrace[$i] = $aFullTrace[$i]['function'].'(), called from line '.$aFullTrace[$i]['line'].' in '.$aFullTrace[$i]['file'];
-		}
-		echo "<p><pre>".print_r($aLightTrace, true)."</pre></p>\n";
-	 }
-
-	/**
-	 * Execute the given iTop PHP script, passing it the current credentials
-	 * Only CLI mode is supported, because of the need to hand the credentials over to the next process
-	 * Throws an exception if the execution fails or could not be attempted (config issue)
-	 * @param string $sScript Name and relative path to the file (relative to the iTop root dir)
-	 * @param hash $aArguments Associative array of 'arg' => 'value'
-	 * @return array(iCode, array(output lines))
-	 */	 	  
-	/**
-	 */
-	static function ExecITopScript($sScriptName, $aArguments)
-	{
-		$aDisabled = explode(', ', ini_get('disable_functions'));
-		if (in_array('exec', $aDisabled))
-		{
-			throw new Exception("The PHP exec() function has been disabled on this server");
-		}
-
-		$sPHPExec = trim(self::GetConfig()->Get('php_path'));
-		if (strlen($sPHPExec) == 0)
-		{
-			throw new Exception("The path to php must not be empty. Please set a value for 'php_path' in your configuration file.");
-		}
-
-		$sAuthUser = self::ReadParam('auth_user', '', 'raw_data');
-		$sAuthPwd = self::ReadParam('auth_pwd', '', 'raw_data');
-		$sParamFile = self::GetParamSourceFile('auth_user');
-		if (is_null($sParamFile))
-		{
-			$aArguments['auth_user'] = $sAuthUser;
-			$aArguments['auth_pwd'] = $sAuthPwd;
-		}
-		else
-		{
-			$aArguments['param_file'] = $sParamFile;
-		}
-		
-		$aArgs = array();
-		foreach($aArguments as $sName => $value)
-		{
-			// Note: See comment from the 23-Apr-2004 03:30 in the PHP documentation
-			//    It suggests to rely on pctnl_* function instead of using escapeshellargs
-			$aArgs[] = "--$sName=".escapeshellarg($value);
-		}
-		$sArgs = implode(' ', $aArgs);
-		
-		$sScript = realpath(APPROOT.$sScriptName);
-		if (!file_exists($sScript))
-		{
-			throw new Exception("Could not find the script file '$sScriptName' from the directory '".APPROOT."'");
-		}
-
-		$sCommand = '"'.$sPHPExec.'" '.escapeshellarg($sScript).' -- '.$sArgs;
-
-		if (version_compare(phpversion(), '5.3.0', '<'))
-		{
-			if (substr(PHP_OS,0,3) == 'WIN')
-			{
-				// Under Windows, and for PHP 5.2.x, the whole command has to be quoted
-				// Cf PHP doc: http://php.net/manual/fr/function.exec.php, comment from the 27-Dec-2010
-				$sCommand = '"'.$sCommand.'"';
-			}
-		}
-
-		$sLastLine = exec($sCommand, $aOutput, $iRes);
-		if ($iRes == 1)
-		{
-			throw new Exception(Dict::S('Core:ExecProcess:Code1')." - ".$sCommand);
-		}
-		elseif ($iRes == 255)
-		{
-			$sErrors = implode("\n", $aOutput);
-			throw new Exception(Dict::S('Core:ExecProcess:Code255')." - ".$sCommand.":\n".$sErrors);
-		}
-
-		//$aOutput[] = $sCommand;
-		return array($iRes, $aOutput);
-	}
-
-	/**
-	 * Get the current environment
-	 */
-	public static function GetCurrentEnvironment()
-	{
-		if (isset($_SESSION['itop_env']))
-		{
-			return $_SESSION['itop_env'];
-		}
-		else
-		{
-			return ITOP_DEFAULT_ENV;
-		}
-	}
-
-	/**
-	 * Returns a path to a folder into which any module can store cache data
-	 * The corresponding folder is created or cleaned upon code compilation
-	 * @return string
-	 */
-	public static function GetCachePath()
-	{
-		return APPROOT.'data/cache-'.MetaModel::GetEnvironment().'/';
-	}
-	/**
-	 * Merge standard menu items with plugin provided menus items
-	 */
-	public static function GetPopupMenuItems($oPage, $iMenuId, $param, &$aActions, $sTableId = null, $sDataTableId = null)
-	{
-		// 1st - add standard built-in menu items
-		// 
-		switch($iMenuId)
-		{
-			case iPopupMenuExtension::MENU_OBJLIST_TOOLKIT:
-			// $param is a DBObjectSet
-			$oAppContext = new ApplicationContext();
-			$sContext = $oAppContext->GetForLink();
-			$sDataTableId = is_null($sDataTableId) ? '' : $sDataTableId;
-			$sUIPage = cmdbAbstractObject::ComputeStandardUIPage($param->GetFilter()->GetClass());
-			$sOQL = addslashes($param->GetFilter()->ToOQL(true));
-			$sFilter = urlencode($param->GetFilter()->serialize());
-			$sUrl = utils::GetAbsoluteUrlAppRoot()."pages/$sUIPage?operation=search&filter=".$sFilter."&{$sContext}";
-			$oPage->add_linked_script(utils::GetAbsoluteUrlAppRoot().'js/tabularfieldsselector.js');
-			$oPage->add_linked_script(utils::GetAbsoluteUrlAppRoot().'js/jquery.dragtable.js');
-			$oPage->add_linked_stylesheet(utils::GetAbsoluteUrlAppRoot().'css/dragtable.css');
-
-			$aResult = array();
-			if (strlen($sUrl) < SERVER_MAX_URL_LENGTH)
-			{
-				$aResult[] = new SeparatorPopupMenuItem();
-				// Static menus: Email this page, CSV Export & Add to Dashboard
-				$aResult[] = new URLPopupMenuItem('UI:Menu:EMail', Dict::S('UI:Menu:EMail'),
-						"mailto:?body=".urlencode($sUrl).' ' // Add an extra space to make it work in Outlook
-				);
-			}
-			
-			if (UserRights::IsActionAllowed($param->GetFilter()->GetClass(), UR_ACTION_BULK_READ, $param) != UR_ALLOWED_NO)
-			{
-				// Bulk export actions
-				$aResult[] = new JSPopupMenuItem('UI:Menu:CSVExport', Dict::S('UI:Menu:CSVExport'), "ExportListDlg('$sOQL', '$sDataTableId', 'csv', ".json_encode(Dict::S('UI:Menu:CSVExport')).")");
-				$aResult[] = new JSPopupMenuItem('UI:Menu:ExportXLSX', Dict::S('ExcelExporter:ExportMenu'), "ExportListDlg('$sOQL', '$sDataTableId', 'xlsx', ".json_encode(Dict::S('ExcelExporter:ExportMenu')).")");
-				if (extension_loaded('gd'))
-				{
-					// PDF export requires GD
-					$aResult[] = new JSPopupMenuItem('UI:Menu:ExportPDF', Dict::S('UI:Menu:ExportPDF'), "ExportListDlg('$sOQL', '$sDataTableId', 'pdf', ".json_encode(Dict::S('UI:Menu:ExportPDF')).")");
-				}
-			}
-			$aResult[] = new JSPopupMenuItem('UI:Menu:AddToDashboard', Dict::S('UI:Menu:AddToDashboard'), "DashletCreationDlg('$sOQL', '$sContext')");
-			$aResult[] = new JSPopupMenuItem('UI:Menu:ShortcutList', Dict::S('UI:Menu:ShortcutList'), "ShortcutListDlg('$sOQL', '$sDataTableId', '$sContext')");
-				
-			break;
-
-			case iPopupMenuExtension::MENU_OBJDETAILS_ACTIONS:
-			// $param is a DBObject
-			$oObj = $param;
-			$sOQL = "SELECT ".get_class($oObj)." WHERE id=".$oObj->GetKey();
-			$oFilter = DBObjectSearch::FromOQL($sOQL);
-			$sFilter = $oFilter->serialize();
-			$sUrl = ApplicationContext::MakeObjectUrl(get_class($oObj), $oObj->GetKey());
-			$sUIPage = cmdbAbstractObject::ComputeStandardUIPage(get_class($oObj));
-			$oAppContext = new ApplicationContext();
-			$sContext = $oAppContext->GetForLink();
-			$oPage->add_linked_script(utils::GetAbsoluteUrlAppRoot().'js/tabularfieldsselector.js');
-			$oPage->add_linked_script(utils::GetAbsoluteUrlAppRoot().'js/jquery.dragtable.js');
-			$oPage->add_linked_stylesheet(utils::GetAbsoluteUrlAppRoot().'css/dragtable.css');
-			$oPage->add_linked_script(utils::GetAbsoluteUrlAppRoot().'js/tabularfieldsselector.js');
-			$oPage->add_linked_script(utils::GetAbsoluteUrlAppRoot().'js/jquery.dragtable.js');
-			$oPage->add_linked_stylesheet(utils::GetAbsoluteUrlAppRoot().'css/dragtable.css');
-			
-			$aResult = array(
-				new SeparatorPopupMenuItem(),
-				// Static menus: Email this page & CSV Export
-				new URLPopupMenuItem('UI:Menu:EMail', Dict::S('UI:Menu:EMail'), "mailto:?subject=".urlencode($oObj->GetRawName())."&body=".urlencode($sUrl).' '), // Add an extra space to make it work in Outlook
-				new JSPopupMenuItem('UI:Menu:CSVExport', Dict::S('UI:Menu:CSVExport'), "ExportListDlg('$sOQL', '', 'csv', ".json_encode(Dict::S('UI:Menu:CSVExport')).")"),
-				new JSPopupMenuItem('UI:Menu:ExportXLSX', Dict::S('ExcelExporter:ExportMenu'), "ExportListDlg('$sOQL', '', 'xlsx', ".json_encode(Dict::S('ExcelExporter:ExportMenu')).")"),
-				new SeparatorPopupMenuItem(),
-				new URLPopupMenuItem('UI:Menu:PrintableVersion', Dict::S('UI:Menu:PrintableVersion'), $sUrl.'&printable=1', '_blank'),
-			);
-			break;
-
-			case iPopupMenuExtension::MENU_DASHBOARD_ACTIONS:
-			// $param is a Dashboard
-			$oAppContext = new ApplicationContext();
-			$aParams = $oAppContext->GetAsHash();
-			$sMenuId = ApplicationMenu::GetActiveNodeId();
-			$sDlgTitle = addslashes(Dict::S('UI:ImportDashboardTitle'));
-			$sDlgText = addslashes(Dict::S('UI:ImportDashboardText'));
-			$sCloseBtn = addslashes(Dict::S('UI:Button:Cancel'));
-			$aResult = array(
-				new SeparatorPopupMenuItem(),
-				new URLPopupMenuItem('UI:ExportDashboard', Dict::S('UI:ExportDashBoard'), utils::GetAbsoluteUrlAppRoot().'pages/ajax.render.php?operation=export_dashboard&id='.$sMenuId),
-				new JSPopupMenuItem('UI:ImportDashboard', Dict::S('UI:ImportDashBoard'), "UploadDashboard({dashboard_id: '$sMenuId', title: '$sDlgTitle', text: '$sDlgText', close_btn: '$sCloseBtn' })"),
-			);
-			break;
-
-			default:
-			// Unknown type of menu, do nothing
-			$aResult = array();
-		}
-		foreach($aResult as $oMenuItem)
-		{
-			$aActions[$oMenuItem->GetUID()] = $oMenuItem->GetMenuItem();
-		}
-
-		// Invoke the plugins
-		//
-		foreach (MetaModel::EnumPlugins('iPopupMenuExtension') as $oExtensionInstance)
-		{
-			if (is_object($param) && !($param instanceof DBObject))
-			{
-				$tmpParam = clone $param; // In case the parameter is an DBObjectSet, clone it to prevent alterations
-			}
-			else
-			{
-				$tmpParam = $param;
-			}
-			foreach($oExtensionInstance->EnumItems($iMenuId, $tmpParam) as $oMenuItem)
-			{
-				if (is_object($oMenuItem))
-				{
-					$aActions[$oMenuItem->GetUID()] = $oMenuItem->GetMenuItem();
-					
-					foreach($oMenuItem->GetLinkedScripts() as $sLinkedScript)
-					{
-						$oPage->add_linked_script($sLinkedScript);
-					}
-				}
-			}
-		}
-	}
-	/**
-	 * Get target configuration file name (including full path)
-	 */
-	public static function GetConfigFilePath($sEnvironment = null)
-	{
-		if (is_null($sEnvironment))
-		{
-			$sEnvironment = self::GetCurrentEnvironment();
-		}
-		return APPCONF.$sEnvironment.'/'.ITOP_CONFIG_FILE;
-	}
-
-    /**
-     * @return string the absolute URL to the modules root path
-     */                   
-	static public function GetAbsoluteUrlModulesRoot()
-	{
-		$sUrl = self::GetAbsoluteUrlAppRoot().'env-'.self::GetCurrentEnvironment().'/';
-		return $sUrl;
-	}
-
-	/**
-	 * To be compatible with this mechanism, the called page must include approot with an absolute path OR not include
-	 * it at all (losing the direct access to the page) :
-	 *
-	 * ```php
-	 * if (!defined('__DIR__')) define('__DIR__', dirname(__FILE__));
-	 * require_once(__DIR__.'/../../approot.inc.php');
-	 * ```
-	 *
-	 * @param string $sModule
-	 * @param string $sPage
-	 * @param string[] $aArguments
-	 * @param string $sEnvironment
-	 *
-	 * @return string the URL to a page that will execute the requested module page, with query string values url encoded
-	 *
-	 * @see GetExecPageArguments can be used to submit using the GET method (see bug in N.1108)
-	 * @see GetAbsoluteUrlExecPage
-	 */
-	static public function GetAbsoluteUrlModulePage($sModule, $sPage, $aArguments = array(), $sEnvironment = null)
-	{
-		$aArgs = self::GetExecPageArguments($sModule, $sPage, $aArguments, $sEnvironment);
-		$sArgs = http_build_query($aArgs);
-
-		return self::GetAbsoluteUrlExecPage()."?".$sArgs;
-	}
-
-	/**
-	 * @param string $sModule
-	 * @param string $sPage
-	 * @param string[] $aArguments
-	 * @param string $sEnvironment
-	 *
-	 * @return string[] key/value pair for the exec page query string. <b>Warning</b> : values are not url encoded !
-	 * @throws \Exception if one of the argument has a reserved name
-	 */
-	static public function GetExecPageArguments($sModule, $sPage, $aArguments = array(), $sEnvironment = null)
-	{
-		$sEnvironment = is_null($sEnvironment) ? self::GetCurrentEnvironment() : $sEnvironment;
-		$aArgs = array();
-		$aArgs['exec_module'] = $sModule;
-		$aArgs['exec_page'] = $sPage;
-		$aArgs['exec_env'] = $sEnvironment;
-		foreach($aArguments as $sName => $sValue)
-		{
-			if (($sName == 'exec_module') || ($sName == 'exec_page') || ($sName == 'exec_env'))
-			{
-				throw new Exception("Module page: $sName is a reserved page argument name");
-			}
-			$aArgs[$sName] = $sValue;
-		}
-
-		return $aArgs;
-	}
-
-	/**
-	 * @return string
-	 */
-	static public function GetAbsoluteUrlExecPage()
-	{
-		return self::GetAbsoluteUrlAppRoot().'pages/exec.php';
-	}
-
-	/**
-	 * Returns a name unique amongst the given list
-	 * @param string $sProposed The default value
-	 * @param array  $aExisting An array of existing values (strings)	 	 
-	 */
-	static public function MakeUniqueName($sProposed, $aExisting)
-	{
-		if (in_array($sProposed, $aExisting))
-		{
-			$i = 1;
-			while (in_array($sProposed.$i, $aExisting) && ($i < 50))
-			{
-				$i++;
-			}
-			return $sProposed.$i;
-		}
-		else
-		{
-			return $sProposed;
-		}
-	}
-	
-	/**
-	 * Some characters cause troubles with jQuery when used inside DOM IDs, so let's replace them by the safe _ (underscore)
-	 * @param string $sId The ID to sanitize
-	 * @return string The sanitized ID
-	 */
-	static public function GetSafeId($sId)
-	{
-		return str_replace(array(':', '[', ']', '+', '-'), '_', $sId);
-	}
-	
-	/**
-	 * Helper to execute an HTTP POST request
-	 * Source: http://netevil.org/blog/2006/nov/http-post-from-php-without-curl
-	 *         originaly named after do_post_request
-	 * Does not require cUrl but requires openssl for performing https POSTs.
-	 * 
-	 * @param string $sUrl The URL to POST the data to
-	 * @param hash $aData The data to POST as an array('param_name' => value)
-	 * @param string $sOptionnalHeaders Additional HTTP headers as a string with newlines between headers
-	 * @param hash	$aResponseHeaders An array to be filled with reponse headers: WARNING: the actual content of the array depends on the library used: cURL or fopen, test with both !! See: http://fr.php.net/manual/en/function.curl-getinfo.php
-	 * @param hash $aCurlOptions An (optional) array of options to pass to curl_init. The format is 'option_code' => 'value'. These values have precedence over the default ones. Example: CURLOPT_SSLVERSION => CURL_SSLVERSION_SSLv3
-	 * @return string The result of the POST request
-	 * @throws Exception
-	 */ 
-	static public function DoPostRequest($sUrl, $aData, $sOptionnalHeaders = null, &$aResponseHeaders = null, $aCurlOptions = array())
-	{
-		// $sOptionnalHeaders is a string containing additional HTTP headers that you would like to send in your request.
-	
-		if (function_exists('curl_init'))
-		{
-			// If cURL is available, let's use it, since it provides a greater control over the various HTTP/SSL options
-			// For instance fopen does not allow to work around the bug: http://stackoverflow.com/questions/18191672/php-curl-ssl-routinesssl23-get-server-helloreason1112
-			// by setting the SSLVERSION to 3 as done below.
-			$aHeaders = explode("\n", $sOptionnalHeaders);
-			$aHTTPHeaders = array();
-			foreach($aHeaders as $sHeaderString)
-			{
-				if(preg_match('/^([^:]): (.+)$/', $sHeaderString, $aMatches))
-				{
-					$aHTTPHeaders[$aMatches[1]] = $aMatches[2];
-				}
-			}
-			// Default options, can be overloaded/extended with the 4th parameter of this method, see above $aCurlOptions
-			$aOptions = array(
-				CURLOPT_RETURNTRANSFER	=> true,     // return the content of the request
-				CURLOPT_HEADER			=> false,    // don't return the headers in the output
-				CURLOPT_FOLLOWLOCATION	=> true,     // follow redirects
-				CURLOPT_ENCODING		=> "",       // handle all encodings
-				CURLOPT_USERAGENT		=> "spider", // who am i
-				CURLOPT_AUTOREFERER		=> true,     // set referer on redirect
-				CURLOPT_CONNECTTIMEOUT	=> 120,      // timeout on connect
-				CURLOPT_TIMEOUT			=> 120,      // timeout on response
-				CURLOPT_MAXREDIRS		=> 10,       // stop after 10 redirects
-				CURLOPT_SSL_VERIFYPEER	=> false,    // Disabled SSL Cert checks
-				// SSLV3 (CURL_SSLVERSION_SSLv3 = 3) is now considered as obsolete/dangerous: http://disablessl3.com/#why
-				// but it used to be a MUST to prevent a strange SSL error: http://stackoverflow.com/questions/18191672/php-curl-ssl-routinesssl23-get-server-helloreason1112
-				// CURLOPT_SSLVERSION		=> 3,
-				CURLOPT_POST			=> count($aData),
-				CURLOPT_POSTFIELDS		=> http_build_query($aData),
-				CURLOPT_HTTPHEADER		=> $aHTTPHeaders,
-			);
-			
-			$aAllOptions = $aCurlOptions + $aOptions;
-			$ch = curl_init($sUrl);
-			curl_setopt_array($ch, $aAllOptions);
-			$response = curl_exec($ch);
-			$iErr = curl_errno($ch);
-			$sErrMsg = curl_error( $ch );
-			$aHeaders = curl_getinfo( $ch );
-			if ($iErr !== 0)
-			{
-				throw new Exception("Problem opening URL: $sUrl, $sErrMsg");
-			}
-			if (is_array($aResponseHeaders))
-			{
-				$aHeaders = curl_getinfo($ch);
-				foreach($aHeaders as $sCode => $sValue)
-				{
-					$sName = str_replace(' ' , '-', ucwords(str_replace('_', ' ', $sCode))); // Transform "content_type" into "Content-Type"
-					$aResponseHeaders[$sName] = $sValue;
-				}
-			}
-			curl_close( $ch );
-		}
-		else
-		{
-			// cURL is not available let's try with streams and fopen...
-			
-			$sData = http_build_query($aData);
-			$aParams = array('http' => array(
-									'method' => 'POST',
-									'content' => $sData,
-									'header'=> "Content-type: application/x-www-form-urlencoded\r\nContent-Length: ".strlen($sData)."\r\n",
-									));
-			if ($sOptionnalHeaders !== null)
-			{
-				$aParams['http']['header'] .= $sOptionnalHeaders;
-			}
-			$ctx = stream_context_create($aParams);
-		
-			$fp = @fopen($sUrl, 'rb', false, $ctx);
-			if (!$fp)
-			{
-				global $php_errormsg;
-				if (isset($php_errormsg))
-				{
-					throw new Exception("Wrong URL: $sUrl, $php_errormsg");
-				}
-				elseif ((strtolower(substr($sUrl, 0, 5)) == 'https') && !extension_loaded('openssl'))
-				{
-					throw new Exception("Cannot connect to $sUrl: missing module 'openssl'");
-				}
-				else
-				{
-					throw new Exception("Wrong URL: $sUrl");
-				}
-			}
-			$response = @stream_get_contents($fp);
-			if ($response === false)
-			{
-				throw new Exception("Problem reading data from $sUrl, $php_errormsg");
-			}
-			if (is_array($aResponseHeaders))
-			{
-				$aMeta = stream_get_meta_data($fp);
-				$aHeaders = $aMeta['wrapper_data'];
-				foreach($aHeaders as $sHeaderString)
-				{
-					if(preg_match('/^([^:]+): (.+)$/', $sHeaderString, $aMatches))
-					{
-						$aResponseHeaders[$aMatches[1]] = trim($aMatches[2]);
-					}
-				}
-			}
-		}
-		return $response;
-	}
-
-	/**
-	 * Get a standard list of character sets
-	 *	 
- 	 * @param array $aAdditionalEncodings Additional values
-	 * @return array of iconv code => english label, sorted by label
-	 */
-	public static function GetPossibleEncodings($aAdditionalEncodings = array())
-	{
-		// Encodings supported:
-		// ICONV_CODE => Display Name
-		// Each iconv installation supports different encodings
-		// Some reasonably common and useful encodings are listed here
-		$aPossibleEncodings = array(
-			'UTF-8' => 'Unicode (UTF-8)',
-			'ISO-8859-1' => 'Western (ISO-8859-1)',
-			'WINDOWS-1251' => 'Cyrilic (Windows 1251)',
-			'WINDOWS-1252' => 'Western (Windows 1252)',
-			'ISO-8859-15' => 'Western (ISO-8859-15)',
-		);
-		$aPossibleEncodings = array_merge($aPossibleEncodings, $aAdditionalEncodings);
-		asort($aPossibleEncodings);
-		return $aPossibleEncodings;
-	}
-	
-	/**
-	 * Convert a string containing some (valid) HTML markup to plain text
-	 * @param string $sHtml
-	 * @return string
-	 */
-	public static function HtmlToText($sHtml)
-	{
-		try
-		{
-			//return '<?xml encoding="UTF-8">'.$sHtml;
-			return \Html2Text\Html2Text::convert('<?xml encoding="UTF-8">'.$sHtml);
-		}
-		catch(Exception $e)
-		{
-			return $e->getMessage();
-		}
-	}
-	
-	/**
-	 * Convert (?) plain text to some HTML markup by replacing newlines by <br/> tags
-	 * and escaping HTML entities
-	 * @param string $sText
-	 * @return string
-	 */
-	public static function TextToHtml($sText)
-	{
-		$sText = str_replace("\r\n", "\n", $sText);
-		$sText = str_replace("\r", "\n", $sText);
-		return str_replace("\n", '<br/>', htmlentities($sText, ENT_QUOTES, 'UTF-8'));
-	}
-	
-	/**
-	 * Eventually compiles the SASS (.scss) file into the CSS (.css) file
-	 *
-	 * @param string $sSassRelPath Relative path to the SCSS file (must have the extension .scss)
-	 * @param array $aImportPaths Array of absolute paths to load imports from
-	 * @return string Relative path to the CSS file (<name>.css)
-	 */
-	static public function GetCSSFromSASS($sSassRelPath, $aImportPaths = null)
-	{
-		// Avoiding compilation if file is already a css file.
-		if (preg_match('/\.css$/', $sSassRelPath))
-		{
-			return $sSassRelPath;
-		}
-
-		// Setting import paths
-		if ($aImportPaths === null)
-		{
-			$aImportPaths = array();
-		}
-		$aImportPaths[] = APPROOT . '/css';
-
-		$sSassPath = APPROOT.$sSassRelPath;
-		$sCssRelPath = preg_replace('/\.scss$/', '.css', $sSassRelPath);
-		$sCssPath = APPROOT.$sCssRelPath;
-		clearstatcache();
-		if (!file_exists($sCssPath) || (is_writable($sCssPath) && (filemtime($sCssPath) < filemtime($sSassPath))))
-		{
-			require_once(APPROOT.'lib/scssphp/scss.inc.php');
-			$oScss = new Compiler();
-			$oScss->setImportPaths($aImportPaths);
-			$oScss->setFormatter('Leafo\\ScssPhp\\Formatter\\Expanded');
-			// Temporary disabling max exec time while compiling
-			$iCurrentMaxExecTime = (int) ini_get('max_execution_time');
-			set_time_limit(0);
-			$sCss = $oScss->compile(file_get_contents($sSassPath));
-			set_time_limit($iCurrentMaxExecTime);
-			file_put_contents($sCssPath, $sCss);
-		}
-		return $sCssRelPath;
-	}
-	
-	static public function GetImageSize($sImageData)
-	{
-		if (function_exists('getimagesizefromstring')) // PHP 5.4.0 or higher
-		{
-			$aRet = @getimagesizefromstring($sImageData);
-		}
-		else if(ini_get('allow_url_fopen'))
-		{
-			// work around to avoid creating a tmp file
-			$sUri = 'data://application/octet-stream;base64,'.base64_encode($sImageData);
-			$aRet = @getimagesize($sUri);
-		}
-		else
-		{
-			// Damned, need to create a tmp file
-			$sTempFile = tempnam(SetupUtils::GetTmpDir(), 'img-');
-			@file_put_contents($sTempFile, $sImageData);
-			$aRet = @getimagesize($sTempFile);
-			@unlink($sTempFile);
-		}
-		return $aRet;
-	}
-
-	/**
-	 * Resize an image attachment so that it fits in the given dimensions
-	 * @param ormDocument $oImage The original image stored as an ormDocument
-	 * @param int $iWidth Image's original width
-	 * @param int $iHeight Image's original height
-	 * @param int $iMaxImageWidth Maximum width for the resized image
-	 * @param int $iMaxImageHeight Maximum height for the resized image
-	 * @return ormDocument The resampled image
-	 */
-	public static function ResizeImageToFit(ormDocument $oImage, $iWidth, $iHeight, $iMaxImageWidth, $iMaxImageHeight)
-	{
-		// If image size smaller than maximums, we do nothing
-		if (($iWidth <= $iMaxImageWidth) && ($iHeight <= $iMaxImageHeight))
-		{
-			return $oImage;
-		}
-
-
-		// If gd extension is not loaded, we put a warning in the log and return the image as is
-		if (extension_loaded('gd') === false)
-		{
-			IssueLog::Warning('Image could not be resized as the "gd" extension does not seem to be loaded. It will remain as ' . $iWidth . 'x' . $iHeight . ' instead of ' . $iMaxImageWidth . 'x' . $iMaxImageHeight);
-			return $oImage;
-		}
-
-
-		switch($oImage->GetMimeType())
-		{
-			case 'image/gif':
-			case 'image/jpeg':
-			case 'image/png':
-			$img = @imagecreatefromstring($oImage->GetData());
-			break;
-			
-			default:
-			// Unsupported image type, return the image as-is
-			//throw new Exception("Unsupported image type: '".$oImage->GetMimeType()."'. Cannot resize the image, original image will be used.");
-			return $oImage;
-		}
-		if ($img === false)
-		{
-			//throw new Exception("Warning: corrupted image: '".$oImage->GetFileName()." / ".$oImage->GetMimeType()."'. Cannot resize the image, original image will be used.");
-			return $oImage;
-		}
-		else
-		{
-			// Let's scale the image, preserving the transparency for GIFs and PNGs
-			
-			$fScale = min($iMaxImageWidth / $iWidth, $iMaxImageHeight / $iHeight);
-
-			$iNewWidth = $iWidth * $fScale;
-			$iNewHeight = $iHeight * $fScale;
-			
-			$new = imagecreatetruecolor($iNewWidth, $iNewHeight);
-			
-			// Preserve transparency
-			if(($oImage->GetMimeType() == "image/gif") || ($oImage->GetMimeType() == "image/png"))
-			{
-				imagecolortransparent($new, imagecolorallocatealpha($new, 0, 0, 0, 127));
-				imagealphablending($new, false);
-				imagesavealpha($new, true);
-			}
-			
-			imagecopyresampled($new, $img, 0, 0, 0, 0, $iNewWidth, $iNewHeight, $iWidth, $iHeight);
-			
-			ob_start();
-			switch ($oImage->GetMimeType())
-			{
-				case 'image/gif':
-				imagegif($new); // send image to output buffer
-				break;
-				
-				case 'image/jpeg':
-				imagejpeg($new, null, 80); // null = send image to output buffer, 80 = good quality
-				break;
-				 
-				case 'image/png':
-				imagepng($new, null, 5); // null = send image to output buffer, 5 = medium compression
-				break;
-			}
-			$oResampledImage = new ormDocument(ob_get_contents(), $oImage->GetMimeType(), $oImage->GetFileName());
-			@ob_end_clean();
-			
-			imagedestroy($img);
-			imagedestroy($new);
-							
-			return $oResampledImage;
-		}
-				
-	}
-	
-	/**
-	 * Create a 128 bit UUID in the format: {########-####-####-####-############}
-	 * 
-	 * Note: this method can be run from the command line as well as from the web server.
-	 * Note2: this method is not cryptographically secure! If you need a cryptographically secure value
-	 * consider using open_ssl or PHP 7 methods.
-	 * @param string $sPrefix
-	 * @return string
-	 */
-	static public function CreateUUID($sPrefix = '')
-	{
-		$uid = uniqid("", true);
-		$data = $sPrefix;
-		$data .= __FILE__;
-		$data .= mt_rand();
-		$hash = strtoupper(hash('ripemd128', $uid . md5($data)));
-		$sUUID = '{' .
-				substr($hash,  0,  8) .
-				'-' .
-				substr($hash,  8,  4) .
-				'-' .
-				substr($hash, 12,  4) .
-				'-' .
-				substr($hash, 16,  4) .
-				'-' .
-				substr($hash, 20, 12) .
-				'}';
-		return $sUUID;
-	}
-
-	/**
-	 * Returns the name of the module containing the file where the call to this function is made
-	 * or an empty string if no such module is found (or not called within a module file)
-	 * @param number $iCallDepth The depth of the module in the callstack. Zero when called directly from within the module
-	 * @return string
-	 */
-	static public function GetCurrentModuleName($iCallDepth = 0)
-	{
-		$sCurrentModuleName = '';
-		$aCallStack = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS);
-		$sCallerFile = realpath($aCallStack[$iCallDepth]['file']);
-		
-		foreach(GetModulesInfo() as $sModuleName => $aInfo)
-		{
-			if ($aInfo['root_dir'] !== '')
-			{
-				$sRootDir = realpath(APPROOT.$aInfo['root_dir']);
-				
-				if(substr($sCallerFile, 0, strlen($sRootDir)) === $sRootDir)
-				{
-					$sCurrentModuleName = $sModuleName;
-					break;
-				}
-			}
-		}
-		return $sCurrentModuleName;
-	}
-	
-	/**
-	 * Returns the relative (to APPROOT) path of the root directory of the module containing the file where the call to this function is made
-	 * or an empty string if no such module is found (or not called within a module file)
-	 * @param number $iCallDepth The depth of the module in the callstack. Zero when called directly from within the module
-	 * @return string
-	 */
-	static public function GetCurrentModuleDir($iCallDepth)
-	{
-		$sCurrentModuleDir = '';
-		$aCallStack = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS);
-		$sCallerFile = realpath($aCallStack[$iCallDepth]['file']);
-	
-		foreach(GetModulesInfo() as $sModuleName => $aInfo)
-		{
-			if ($aInfo['root_dir'] !== '')
-			{
-				$sRootDir = realpath(APPROOT.$aInfo['root_dir']);
-	
-				if(substr($sCallerFile, 0, strlen($sRootDir)) === $sRootDir)
-				{
-					$sCurrentModuleDir = basename($sRootDir);
-					break;
-				}
-			}
-		}
-		return $sCurrentModuleDir;
-	}
-	
-	/**
-	 * Returns the base URL for all files in the current module from which this method is called
-	 * or an empty string if no such module is found (or not called within a module file)
-	 * @return string
-	 */
-	static public function GetCurrentModuleUrl()
-	{
-		$sDir = static::GetCurrentModuleDir(1);
-		if ( $sDir !== '')
-		{
-			return static::GetAbsoluteUrlModulesRoot().'/'.$sDir;
-		}
-		return '';
-	}
-	
-	/**
-	 * Get the value of a given setting for the current module
-	 * @param string $sProperty The name of the property to retrieve
-	 * @param mixed $defaultvalue
-	 * @return mixed
-	 */
-	static public function GetCurrentModuleSetting($sProperty, $defaultvalue = null)
-	{
-		$sModuleName = static::GetCurrentModuleName(1);
-		return MetaModel::GetModuleSetting($sModuleName, $sProperty, $defaultvalue);
-	}
-	
-	/**
-	 * Get the compiled version of a given module, as it was seen by the compiler
-	 * @param string $sModuleName
-	 * @return string|NULL
-	 */
-	static public function GetCompiledModuleVersion($sModuleName)
-	{
-		$aModulesInfo = GetModulesInfo();
-		if (array_key_exists($sModuleName, $aModulesInfo))
-		{
-			return $aModulesInfo[$sModuleName]['version'];
-		}
-		return null;
-	}
-	
-	/**
-	 * Check if the given path/url is an http(s) URL
-	 * @param string $sPath
-	 * @return boolean
-	 */
-	public static function IsURL($sPath)
-	{
-		$bRet = false;
-		if ((substr($sPath, 0, 7) == 'http://') || (substr($sPath, 0, 8) == 'https://') || (substr($sPath, 0, 8) == 'ftp://'))
-		{
-			$bRet = true;
-		}
-		return $bRet;
-	}
-	
-	/**
-	 * Check if the given URL is a link to download a document/image on the CURRENT iTop
-	 * In such a case we can read the content of the file directly in the database (if the users rights allow) and return the ormDocument
-	 * @param string $sPath
-	 * @return false|ormDocument
-	 * @throws Exception
-	 */
-	public static function IsSelfURL($sPath)
-	{
-		$result = false;
-		$sPageUrl = utils::GetAbsoluteUrlAppRoot().'pages/ajax.document.php';
-		if (substr($sPath, 0, strlen($sPageUrl)) == $sPageUrl)
-		{
-			// If the URL is an URL pointing to this instance of iTop, then
-			// extract the "query" part of the URL and analyze it
-			$sQuery = parse_url($sPath, PHP_URL_QUERY);
-			if ($sQuery !== null)
-			{
-				$aParams = array();
-				foreach(explode('&', $sQuery) as $sChunk)
-				{
-					$aParts = explode('=', $sChunk);
-					if (count($aParts) != 2) continue;
-					$aParams[$aParts[0]] = urldecode($aParts[1]);
-				}
-				$result = array_key_exists('operation', $aParams) && array_key_exists('class', $aParams) && array_key_exists('id', $aParams) && array_key_exists('field', $aParams) && ($aParams['operation'] == 'download_document');
-				if ($result)
-				{
-					// This is a 'download_document' operation, let's retrieve the document directly from the database
-					$sClass = $aParams['class'];
-					$iKey = $aParams['id'];
-					$sAttCode = $aParams['field'];
-
-					$oObj = MetaModel::GetObject($sClass, $iKey, false /* must exist */); // Users rights apply here !!
-					if ($oObj)
-					{
-						/**
-						 * @var ormDocument $result
-						 */
-						$result = clone $oObj->Get($sAttCode);
-						return $result;
-					}
-				}
-			}
-			throw new Exception('Invalid URL. This iTop URL is not pointing to a valid Document/Image.');
-		}
-		return $result;
-	}
-	
-	/**
-	 * Read the content of a file (and retrieve its MIME type) from either:
-	 * - an URL pointing to a blob (image/document) on the current iTop server
-	 * - an http(s) URL
-	 * - the local file system (but only if you are an administrator)
-	 * @param string $sPath
-	 * @return ormDocument|null
-	 * @throws Exception
-	 */
-	public static function FileGetContentsAndMIMEType($sPath)
-	{
-		$oUploadedDoc = null;
-		$aKnownExtensions = array(
-				'xlsx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
-				'xltx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.template',
-				'potx' => 'application/vnd.openxmlformats-officedocument.presentationml.template',
-				'ppsx' => 'application/vnd.openxmlformats-officedocument.presentationml.slideshow',
-				'pptx' => 'application/vnd.openxmlformats-officedocument.presentationml.presentation',
-				'sldx' => 'application/vnd.openxmlformats-officedocument.presentationml.slide',
-				'docx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
-				'dotx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.template',
-				'xlam' => 'application/vnd.ms-excel.addin.macroEnabled.12',
-				'xlsb' => 'application/vnd.ms-excel.sheet.binary.macroEnabled.12',
-				'jpg' => 'image/jpeg',
-				'jpeg' => 'image/jpeg',
-				'gif' => 'image/gif',
-				'png' => 'image/png',
-				'pdf' => 'application/pdf',
-				'doc' => 'application/msword',
-				'dot' => 'application/msword',
-				'xls' => 'application/vnd.ms-excel',
-				'ppt' => 'application/vnd.ms-powerpoint',
-				'vsd' => 'application/x-visio',
-				'vdx' => 'application/visio.drawing',
-				'odt' => 'application/vnd.oasis.opendocument.text',
-				'ods' => 'application/vnd.oasis.opendocument.spreadsheet',
-				'odp' => 'application/vnd.oasis.opendocument.presentation',
-				'zip' => 'application/zip',
-				'txt' => 'text/plain',
-				'htm' => 'text/html',
-				'html' => 'text/html',
-				'exe' => 'application/octet-stream'
-		);
-	
-		$sData = null;
-		$sMimeType = 'text/plain'; // Default MIME Type: treat the file as a bunch a characters...
-		$sFileName = 'uploaded-file'; // Default name for downloaded-files
-		$sExtension = '.txt'; // Default file extension in case we don't know the MIME Type
-
-		if(empty($sPath))
-		{
-			// Empty path (NULL or '') means that there is no input, making an empty document.
-			$oUploadedDoc = new ormDocument('', '', '');
-		}
-		elseif (static::IsURL($sPath))
-		{
-			if ($oUploadedDoc = static::IsSelfURL($sPath))
-			{
-				// Nothing more to do, we've got it !!
-			}
-			else
-			{
-				// Remote file, let's use the HTTP headers to find the MIME Type
-				$sData = @file_get_contents($sPath);
-				if ($sData === false)
-				{
-					throw new Exception("Failed to load the file from the URL '$sPath'.");
-				}
-				else
-				{
-					if (isset($http_response_header))
-					{
-						$aHeaders = static::ParseHeaders($http_response_header);
-						$sMimeType = array_key_exists('Content-Type', $aHeaders) ? strtolower($aHeaders['Content-Type']) : 'application/x-octet-stream';
-						// Compute the file extension from the MIME Type
-						foreach($aKnownExtensions as $sExtValue => $sMime)
-						{
-							if ($sMime === $sMimeType)
-							{
-								$sExtension = '.'.$sExtValue;
-								break;
-							}
-						}
-					}
-					$sFileName .= $sExtension;
-				}
-				$oUploadedDoc = new ormDocument($sData, $sMimeType, $sFileName);
-			}
-		}
-		else if (UserRights::IsAdministrator())
-		{
-			// Only administrators are allowed to read local files
-			$sData = @file_get_contents($sPath);
-			if ($sData === false)
-			{
-				throw new Exception("Failed to load the file '$sPath'. The file does not exist or the current process is not allowed to access it.");
-			}
-			$sExtension = strtolower(pathinfo($sPath, PATHINFO_EXTENSION));
-			$sFileName = basename($sPath);
-				
-			if (array_key_exists($sExtension, $aKnownExtensions))
-			{
-				$sMimeType = $aKnownExtensions[$sExtension];
-			}
-			else if (extension_loaded('fileinfo'))
-			{
-				$finfo = new finfo(FILEINFO_MIME);
-				$sMimeType = $finfo->file($sPath);
-			}
-			$oUploadedDoc = new ormDocument($sData, $sMimeType, $sFileName);
-		}
-		return $oUploadedDoc;
-	}
-	
-	protected static function ParseHeaders($aHeaders)
-	{
-		$aCleanHeaders = array();
-		foreach( $aHeaders as $sKey => $sValue )
-		{
-			$aTokens = explode(':', $sValue, 2);
-			if(isset($aTokens[1]))
-			{
-				$aCleanHeaders[trim($aTokens[0])] = trim($aTokens[1]);
-			}
-			else
-			{
-				// The header is not in the form Header-Code: Value
-				$aCleanHeaders[] = $sValue; // Store the value as-is
-				$aMatches = array();
-				// Check if it's not the HTTP response code
-				if( preg_match("|HTTP/[0-9\.]+\s+([0-9]+)|", $sValue, $aMatches) )
-				{
-					$aCleanHeaders['reponse_code'] = intval($aMatches[1]);
-				}
-			}
-		}
-		return $aCleanHeaders;
-	}
-	
-	/**
-	 * Return a string based on compilation time or (if not available because the datamodel has not been loaded)
-	 * the version of iTop. This string is useful to prevent browser side caching of content that may vary at each
-	 * (re)installation of iTop (especially during development). 
-	 * @return string
-	 */
-	public static function GetCacheBusterTimestamp()
-	{
-		if(!defined('COMPILATION_TIMESTAMP'))
-		{
-			return ITOP_VERSION;
-		}
-		return COMPILATION_TIMESTAMP;
-	}
-
-	/**
-	 * Check if the given class if configured as a high cardinality class.
-	 *
-	 * @param $sClass
-	 *
-	 * @return bool
-	 */
-	public static function IsHighCardinality($sClass)
-	{
-		if (utils::GetConfig()->Get('search_manual_submit'))
-		{
-			return true;
-		}
-		$aHugeClasses = MetaModel::GetConfig()->Get('high_cardinality_classes');
-		return in_array($sClass, $aHugeClasses);
-	}
-}
+<?php
+use Html2Text\Html2Text;
+use Leafo\ScssPhp\Compiler;
+// Copyright (C) 2010-2017 Combodo SARL
+//
+//   This file is part of iTop.
+//
+//   iTop is free software; you can redistribute it and/or modify	
+//   it under the terms of the GNU Affero General Public License as published by
+//   the Free Software Foundation, either version 3 of the License, or
+//   (at your option) any later version.
+//
+//   iTop is distributed in the hope that it will be useful,
+//   but WITHOUT ANY WARRANTY; without even the implied warranty of
+//   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//   GNU Affero General Public License for more details.
+//
+//   You should have received a copy of the GNU Affero General Public License
+//   along with iTop. If not, see <http://www.gnu.org/licenses/>
+
+
+/**
+ * Static class utils
+ *
+ * @copyright   Copyright (C) 2010-2017 Combodo SARL
+ * @license     http://opensource.org/licenses/AGPL-3.0
+ */
+
+require_once(APPROOT.'/core/config.class.inc.php');
+require_once(APPROOT.'/application/transaction.class.inc.php');
+require_once(APPROOT.'application/Html2Text.php');
+require_once(APPROOT.'application/Html2TextException.php');
+
+define('ITOP_CONFIG_FILE', 'config-itop.php');
+define('ITOP_DEFAULT_CONFIG_FILE', APPCONF.ITOP_DEFAULT_ENV.'/'.ITOP_CONFIG_FILE);
+
+define('SERVER_NAME_PLACEHOLDER', '$SERVER_NAME$');
+
+define('SERVER_MAX_URL_LENGTH', 2048);
+
+class FileUploadException extends Exception
+{
+}
+
+
+/**
+ * Helper functions to interact with forms: read parameters, upload files...
+ * @package     iTop
+ */
+class utils
+{
+	private static $oConfig = null;
+	private static $m_bCASClient = false;
+
+	// Parameters loaded from a file, parameters of the page/command line still have precedence
+	private static $m_aParamsFromFile = null;
+	private static $m_aParamSource = array();
+
+	protected static function LoadParamFile($sParamFile)
+	{
+		if (!file_exists($sParamFile))
+		{
+			throw new Exception("Could not find the parameter file: '$sParamFile'");
+		}
+		if (!is_readable($sParamFile))
+		{
+			throw new Exception("Could not load parameter file: '$sParamFile'");
+		}
+		$sParams = file_get_contents($sParamFile);
+
+		if (is_null(self::$m_aParamsFromFile))
+		{
+			self::$m_aParamsFromFile = array();
+		}
+
+		$aParamLines = explode("\n", $sParams);
+		foreach ($aParamLines as $sLine)
+		{
+			$sLine = trim($sLine);
+
+			// Ignore the line after a '#'
+			if (($iCommentPos = strpos($sLine, '#')) !== false)
+			{
+				$sLine = substr($sLine, 0, $iCommentPos);
+				$sLine = trim($sLine);
+			}
+
+			// Note: the line is supposed to be already trimmed
+			if (preg_match('/^(\S*)\s*=(.*)$/', $sLine, $aMatches))
+			{
+				$sParam = $aMatches[1];
+				$value = trim($aMatches[2]);
+				self::$m_aParamsFromFile[$sParam] = $value;
+				self::$m_aParamSource[$sParam] = $sParamFile;
+			}
+		}
+	}
+
+	public static function UseParamFile($sParamFileArgName = 'param_file', $bAllowCLI = true)
+	{
+		$sFileSpec = self::ReadParam($sParamFileArgName, '', $bAllowCLI, 'raw_data');
+		foreach(explode(',', $sFileSpec) as $sFile)
+		{
+			$sFile = trim($sFile);
+			if (!empty($sFile))
+			{
+				self::LoadParamFile($sFile);
+			}
+		}
+	}
+
+	/**
+	 * Return the source file from which the parameter has been found,
+	 * usefull when it comes to pass user credential to a process executed
+	 * in the background	 
+	 * @param $sName Parameter name
+	 * @return The file name if any, or null
+	 */
+	public static function GetParamSourceFile($sName)
+	{
+		if (array_key_exists($sName, self::$m_aParamSource))
+		{
+			return self::$m_aParamSource[$sName];
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	public static function IsModeCLI()
+	{
+		$sSAPIName = php_sapi_name();
+		$sCleanName = strtolower(trim($sSAPIName));
+		if ($sCleanName == 'cli')
+		{
+			return true;
+		}
+		else
+		{
+			return false;
+		}
+	}
+
+	protected static $bPageMode = null;
+	/**
+	 * @var boolean[]
+	 */
+	protected static $aModes = array();
+
+	public static function InitArchiveMode()
+	{
+		if (isset($_SESSION['archive_mode']))
+		{
+			$iDefault = $_SESSION['archive_mode'];
+		}
+		else
+		{
+			$iDefault = 0;
+		}
+		// Read and record the value for switching the archive mode
+		$iCurrent = self::ReadParam('with-archive', $iDefault);
+		if (isset($_SESSION))
+		{
+			$_SESSION['archive_mode'] = $iCurrent;
+		}
+		// Read and use the value for the current page (web services)
+		$iCurrent = self::ReadParam('with_archive', $iCurrent, true);
+		self::$bPageMode = ($iCurrent == 1);
+	}
+
+	/**
+	 * @param boolean $bMode if true then activate archive mode (archived objects are visible), otherwise archived objects are
+	 *     hidden (archive = "soft deletion")
+	 */
+	public static function PushArchiveMode($bMode)
+	{
+		array_push(self::$aModes, $bMode);
+	}
+
+	public static function PopArchiveMode()
+	{
+		array_pop(self::$aModes);
+	}
+
+	/**
+	 * @return boolean true if archive mode is enabled
+	 */
+	public static function IsArchiveMode()
+	{
+		if (count(self::$aModes) > 0)
+		{
+			$bRet = end(self::$aModes);
+		}
+		else
+		{
+			if (self::$bPageMode === null)
+			{
+				self::InitArchiveMode();
+			}
+			$bRet = self::$bPageMode;
+		}
+		return $bRet;
+	}
+
+	/**
+	 * Helper to be called by the GUI and define if the user will see obsolete data (otherwise, the user will have to dig further)
+	 * @return bool
+	 */
+	public static function ShowObsoleteData()
+	{
+		$bDefault = MetaModel::GetConfig()->Get('obsolescence.show_obsolete_data'); // default is false
+		$bShow = appUserPreferences::GetPref('show_obsolete_data', $bDefault);
+		if (static::IsArchiveMode())
+		{
+			$bShow = true;
+		}
+		return $bShow;
+	}
+
+	public static function ReadParam($sName, $defaultValue = "", $bAllowCLI = false, $sSanitizationFilter = 'parameter')
+	{
+		global $argv;
+		$retValue = $defaultValue;
+
+		if (!is_null(self::$m_aParamsFromFile))
+		{
+			if (isset(self::$m_aParamsFromFile[$sName]))
+			{
+				$retValue = self::$m_aParamsFromFile[$sName];
+			}
+		}
+
+		if (isset($_REQUEST[$sName]))
+		{
+			$retValue = $_REQUEST[$sName];
+		}
+		elseif ($bAllowCLI && isset($argv))
+		{
+			foreach($argv as $iArg => $sArg)
+			{
+				if (preg_match('/^--'.$sName.'=(.*)$/', $sArg, $aMatches))
+				{
+					$retValue = $aMatches[1];
+				}
+			}
+		}
+		return self::Sanitize($retValue, $defaultValue, $sSanitizationFilter);
+	}
+	
+	public static function ReadPostedParam($sName, $defaultValue = '', $sSanitizationFilter = 'parameter')
+	{
+		$retValue = isset($_POST[$sName]) ? $_POST[$sName] : $defaultValue;
+		return self::Sanitize($retValue, $defaultValue, $sSanitizationFilter);
+	}
+	
+	public static function Sanitize($value, $defaultValue, $sSanitizationFilter)
+	{
+		if ($value === $defaultValue)
+		{
+			// Preserve the real default value (can be used to detect missing mandatory parameters)
+			$retValue = $value;
+		}
+		else
+		{
+			$retValue = self::Sanitize_Internal($value, $sSanitizationFilter);
+			if ($retValue === false)
+			{
+				$retValue = $defaultValue;
+			}
+		}
+		return $retValue;		
+	}
+	
+	protected static function Sanitize_Internal($value, $sSanitizationFilter)
+	{
+		switch($sSanitizationFilter)
+		{
+			case 'integer':
+			$retValue = filter_var($value, FILTER_SANITIZE_NUMBER_INT);
+			break;
+			
+			case 'class':
+			$retValue = $value;
+			if (!MetaModel::IsValidClass($value))
+			{
+				$retValue = false;
+			}
+			break;
+
+			case 'string':
+			$retValue = filter_var($value, FILTER_SANITIZE_SPECIAL_CHARS);
+			break;
+			
+			case 'context_param':
+			case 'parameter':
+			case 'field_name':
+			if (is_array($value))
+			{
+				$retValue = array();
+				foreach($value as $key => $val)
+				{
+					$retValue[$key] = self::Sanitize_Internal($val, $sSanitizationFilter); // recursively check arrays
+					if ($retValue[$key] === false)
+					{
+						$retValue = false;
+						break;
+					}
+				}
+			}
+			else
+			{
+				switch($sSanitizationFilter)
+				{
+					case 'parameter':
+					$retValue = filter_var($value, FILTER_VALIDATE_REGEXP, array("options"=>array("regexp"=>'/^([ A-Za-z0-9_=-]|%3D|%2B|%2F)*$/'))); // the '=', '%3D, '%2B', '%2F' characters are used in serialized filters (starting 2.5, only the url encoded versions are presents, but the "=" is kept for BC)
+					break;
+					
+					case 'field_name':
+					$retValue = filter_var($value, FILTER_VALIDATE_REGEXP, array("options"=>array("regexp"=>'/^[A-Za-z0-9_]+(->[A-Za-z0-9_]+)*$/'))); // att_code or att_code->name or AttCode->Name or AttCode->Key2->Name
+					break;
+					
+					case 'context_param':
+					$retValue = filter_var($value, FILTER_VALIDATE_REGEXP, array("options"=>array("regexp"=>'/^[ A-Za-z0-9_=%:+-]*$/')));
+					break;
+						
+				}
+			}
+			break;
+						
+			default:
+			case 'raw_data':
+			$retValue = $value;
+			// Do nothing
+		}
+		return $retValue;		
+	}
+	
+	/**
+	 * Reads an uploaded file and turns it into an ormDocument object - Triggers an exception in case of error
+	 * @param string $sName Name of the input used from uploading the file	 
+	 * @param string $sIndex If Name is an array of posted files, then the index must be used to point out the file	 
+	 * @return ormDocument The uploaded file (can be 'empty' if nothing was uploaded)
+	 */	 	 
+	public static function  ReadPostedDocument($sName, $sIndex = null)
+	{
+		$oDocument = new ormDocument(); // an empty document
+		if(isset($_FILES[$sName]))
+		{
+			$aFileInfo = $_FILES[$sName];
+
+			$sError = is_null($sIndex) ? $aFileInfo['error'] : $aFileInfo['error'][$sIndex];
+			switch($sError)
+			{
+				case UPLOAD_ERR_OK:
+				$sTmpName = is_null($sIndex) ? $aFileInfo['tmp_name'] : $aFileInfo['tmp_name'][$sIndex];
+				$sMimeType = is_null($sIndex) ? $aFileInfo['type'] : $aFileInfo['type'][$sIndex];
+				$sName = is_null($sIndex) ? $aFileInfo['name'] : $aFileInfo['name'][$sIndex];
+
+				$doc_content = file_get_contents($sTmpName);
+				if (function_exists('finfo_file'))
+				{
+					// as of PHP 5.3 the fileinfo extension is bundled within PHP
+					// in which case we don't trust the mime type provided by the browser
+					$rInfo = @finfo_open(FILEINFO_MIME_TYPE); // return mime type ala mimetype extension
+					if ($rInfo !== false)
+					{
+					   $sType = @finfo_file($rInfo, $sTmpName);
+					   if ( ($sType !== false)
+					        && is_string($sType)
+					        && (strlen($sType)>0))
+					   {
+					        $sMimeType = $sType;
+					   }
+					}
+					@finfo_close($rInfo);
+				}
+				$oDocument = new ormDocument($doc_content, $sMimeType, $sName);
+				break;
+				
+				case UPLOAD_ERR_NO_FILE:
+				// no file to load, it's a normal case, just return an empty document
+				break;
+				
+				case UPLOAD_ERR_FORM_SIZE:
+				case UPLOAD_ERR_INI_SIZE:
+				throw new FileUploadException(Dict::Format('UI:Error:UploadedFileTooBig', ini_get('upload_max_filesize')));
+				break;
+
+				case UPLOAD_ERR_PARTIAL:
+				throw new FileUploadException(Dict::S('UI:Error:UploadedFileTruncated.'));
+				break;
+				
+				case UPLOAD_ERR_NO_TMP_DIR:
+				throw new FileUploadException(Dict::S('UI:Error:NoTmpDir'));
+				break;
+
+				case UPLOAD_ERR_CANT_WRITE:
+				throw new FileUploadException(Dict::Format('UI:Error:CannotWriteToTmp_Dir', ini_get('upload_tmp_dir')));
+				break;
+
+				case UPLOAD_ERR_EXTENSION:
+				$sName = is_null($sIndex) ? $aFileInfo['name'] : $aFileInfo['name'][$sIndex];
+				throw new FileUploadException(Dict::Format('UI:Error:UploadStoppedByExtension_FileName', $sName));
+				break;
+				
+				default:
+				throw new FileUploadException(Dict::Format('UI:Error:UploadFailedUnknownCause_Code', $sError));
+				break;
+
+			}
+		}
+		return $oDocument;
+	}
+	
+	/**
+	 * Interprets the results posted by a normal or paginated list (in multiple selection mode)
+	 *
+	 * @param $oFullSetFilter DBSearch The criteria defining the whole sets of objects being selected
+	 *
+	 * @return Array An array of object IDs corresponding to the objects selected in the set
+	 */	
+	public static function ReadMultipleSelection($oFullSetFilter)
+	{
+		$aSelectedObj = utils::ReadParam('selectObject', array());
+		$sSelectionMode = utils::ReadParam('selectionMode', '');
+		if ($sSelectionMode != '')
+		{
+			// Paginated selection
+			$aExceptions = utils::ReadParam('storedSelection', array());
+			if ($sSelectionMode == 'positive')
+			{
+				// Only the explicitely listed items are selected
+				$aSelectedObj = $aExceptions;
+			}
+			else
+			{
+				// All items of the set are selected, except the one explicitely listed
+				$aSelectedObj = array();
+				$oFullSet = new DBObjectSet($oFullSetFilter);
+				$sClassAlias = $oFullSetFilter->GetClassAlias();
+				$oFullSet->OptimizeColumnLoad(array($sClassAlias => array('friendlyname'))); // We really need only the IDs but it does not work since id is not a real field
+				while($oObj = $oFullSet->Fetch())
+				{
+					if (!in_array($oObj->GetKey(), $aExceptions))
+					{
+						$aSelectedObj[] = $oObj->GetKey();
+					}
+				}
+			}
+		}
+		return $aSelectedObj;
+	}
+
+	/**
+	 * Interprets the results posted by a normal or paginated list (in multiple selection mode)
+	 *
+	 * @param DBSearch $oFullSetFilter The criteria defining the whole sets of objects being selected
+	 *
+	 * @return Array An array of object IDs:friendlyname corresponding to the objects selected in the set
+	 * @throws \CoreException
+	 */
+	public static function ReadMultipleSelectionWithFriendlyname($oFullSetFilter)
+	{
+		$sSelectionMode = utils::ReadParam('selectionMode', '');
+
+		if ($sSelectionMode != 'positive' && $sSelectionMode != 'negative')
+		{
+			throw new CoreException('selectionMode must be either positive or negative');
+		}
+
+		// Paginated selection
+		$aSelectedIds = utils::ReadParam('storedSelection', array());
+		if (count($aSelectedIds) > 0 )
+		{
+			if ($sSelectionMode == 'positive')
+			{
+				// Only the explicitly listed items are selected
+				$oFullSetFilter->AddCondition('id', $aSelectedIds, 'IN');
+			}
+			else
+			{
+				// All items of the set are selected, except the one explicitly listed
+				$oFullSetFilter->AddCondition('id', $aSelectedIds, 'NOTIN');
+			}
+		}
+
+		$aSelectedObj = array();
+		$oFullSet = new DBObjectSet($oFullSetFilter);
+		$sClassAlias = $oFullSetFilter->GetClassAlias();
+		$oFullSet->OptimizeColumnLoad(array($sClassAlias => array('friendlyname'))); // We really need only the IDs but it does not work since id is not a real field
+		while ($oObj = $oFullSet->Fetch())
+		{
+			$aSelectedObj[$oObj->GetKey()] = $oObj->Get('friendlyname');
+		}
+
+		return $aSelectedObj;
+	}
+	
+	public static function GetNewTransactionId()
+	{
+		return privUITransaction::GetNewTransactionId();
+	}
+	
+	public static function IsTransactionValid($sId, $bRemoveTransaction = true)
+	{
+		return privUITransaction::IsTransactionValid($sId, $bRemoveTransaction);
+	}
+	
+	public static function RemoveTransaction($sId)
+	{
+		return privUITransaction::RemoveTransaction($sId);
+	}
+
+	/**
+	 * Returns a unique tmp id for the current upload based on the transaction system (db).
+	 *
+	 * Build as session_id() . '_' . static::GetNewTransactionId()
+	 *
+	 * @return string
+	 */
+	public static function GetUploadTempId($sTransactionId = null)
+	{
+		if ($sTransactionId === null)
+		{
+			$sTransactionId = static::GetNewTransactionId();
+		}
+		return session_id() . '_' . $sTransactionId;
+	}
+
+	public static function ReadFromFile($sFileName)
+	{
+		if (!file_exists($sFileName)) return false;
+		return file_get_contents($sFileName);
+	}
+
+	/**
+	 * Helper function to convert a value expressed in a 'user friendly format'
+	 * as in php.ini, e.g. 256k, 2M, 1G etc. Into a number of bytes
+	 * @param mixed $value The value as read from php.ini
+	 * @return number
+	 */	 	  
+	public static function ConvertToBytes( $value )
+	{
+		$iReturn = $value;
+	    if ( !is_numeric( $value ) )
+		{
+	        $iLength = strlen( $value );
+	        $iReturn = substr( $value, 0, $iLength - 1 );
+	        $sUnit = strtoupper( substr( $value, $iLength - 1 ) );
+	        switch ( $sUnit )
+			{
+	            case 'G':
+	                $iReturn *= 1024;
+	            case 'M':
+	                $iReturn *= 1024;
+	            case 'K':
+	                $iReturn *= 1024;
+	        }
+	    }
+        return $iReturn;
+    }
+
+	/**
+	 * Format a value into a more friendly format (KB, MB, GB, TB) instead a juste a Bytes amount.
+	 *
+	 * @param type $value
+	 * @return string
+	 */
+	public static function BytesToFriendlyFormat($value)
+	{
+		$sReturn = '';
+		// Kilobytes
+		if ($value >= 1024)
+		{
+			$sReturn = 'K';
+			$value = $value / 1024;
+		}
+		// Megabytes
+		if ($value >= 1024)
+		{
+			$sReturn = 'M';
+			$value = $value / 1024;
+		}
+		// Gigabytes
+		if ($value >= 1024)
+		{
+			$sReturn = 'G';
+			$value = $value / 1024;
+		}
+		// Terabytes
+		if ($value >= 1024)
+		{
+			$sReturn = 'T';
+			$value = $value / 1024;
+		}
+
+		$value = round($value, 1);
+
+		return $value . '' . $sReturn . 'B';
+	}
+
+	/**
+	 * Helper function to convert a string to a date, given a format specification. It replaces strtotime which does not allow for specifying a date in a french format (for instance)
+	 * Example: StringToTime('01/05/11 12:03:45', '%d/%m/%y %H:%i:%s')
+	 * @param string $sDate
+	 * @param string $sFormat
+	 * @return timestamp or false if the input format is not correct
+	 */	 	  
+	public static function StringToTime($sDate, $sFormat)
+	{
+	   // Source: http://php.net/manual/fr/function.strftime.php
+		// (alternative: http://www.php.net/manual/fr/datetime.formats.date.php)
+		static $aDateTokens = null;
+		static $aDateRegexps = null;
+		if (is_null($aDateTokens))
+		{
+		   $aSpec = array(
+				'%d' =>'(?<day>[0-9]{2})',
+				'%m' => '(?<month>[0-9]{2})',
+				'%y' => '(?<year>[0-9]{2})',
+				'%Y' => '(?<year>[0-9]{4})',
+				'%H' => '(?<hour>[0-2][0-9])',
+				'%i' => '(?<minute>[0-5][0-9])',
+				'%s' => '(?<second>[0-5][0-9])',
+				);
+			$aDateTokens = array_keys($aSpec);
+			$aDateRegexps = array_values($aSpec);
+		}
+	   
+	   $sDateRegexp = str_replace($aDateTokens, $aDateRegexps, $sFormat);
+	   
+	   if (preg_match('!^(?<head>)'.$sDateRegexp.'(?<tail>)$!', $sDate, $aMatches))
+	   {
+			$sYear = isset($aMatches['year']) ? $aMatches['year'] : 0;
+			$sMonth = isset($aMatches['month']) ? $aMatches['month'] : 1;
+			$sDay = isset($aMatches['day']) ? $aMatches['day'] : 1;
+			$sHour = isset($aMatches['hour']) ? $aMatches['hour'] : 0;
+			$sMinute = isset($aMatches['minute']) ? $aMatches['minute'] : 0;
+			$sSecond = isset($aMatches['second']) ? $aMatches['second'] : 0;
+			return strtotime("$sYear-$sMonth-$sDay $sHour:$sMinute:$sSecond");
+		}
+	   else
+	   {
+	   	return false;
+	   }
+	   // http://www.spaweditor.com/scripts/regex/index.php
+	}
+	
+	/**
+	 * Convert an old date/time format specifciation (using % placeholders)
+	 * to a format compatible with DateTime::createFromFormat
+	 * @param string $sOldDateTimeFormat
+	 * @return string
+	 */
+	static public function DateTimeFormatToPHP($sOldDateTimeFormat)
+	{
+		$aSearch = array('%d', '%m', '%y', '%Y', '%H', '%i', '%s');
+		$aReplacement = array('d', 'm', 'y', 'Y', 'H', 'i', 's');
+		return str_replace($aSearch, $aReplacement, $sOldDateTimeFormat);
+	}
+
+	/**
+	 * @return \Config from the current environement, or if not existing from the production env, else new Config made from scratch
+	 * @uses \MetaModel::GetConfig() don't forget to add the needed <code>require_once(APPROOT.'core/metamodel.class.php');</code>
+	 */
+	static public function GetConfig()
+	{
+		if (self::$oConfig == null)
+		{
+		    self::$oConfig = MetaModel::GetConfig();
+
+		    if (self::$oConfig == null)
+		    {
+    			$sConfigFile = self::GetConfigFilePath();
+    			if (!file_exists($sConfigFile))
+    			{
+				    $sConfigFile = self::GetConfigFilePath('production');
+				    if (!file_exists($sConfigFile))
+				    {
+				    	$sConfigFile = null;
+				    }
+    			}
+
+			    self::$oConfig = new Config($sConfigFile);
+		    }
+		}
+		return self::$oConfig;
+	}
+
+	public static function InitTimeZone() {
+		$oConfig = self::GetConfig();
+		$sItopTimeZone = $oConfig->Get('timezone');
+
+		if (!empty($sItopTimeZone))
+		{
+			date_default_timezone_set($sItopTimeZone);
+		}
+		else
+		{
+			// Leave as is... up to the admin to set a value somewhere...
+			// see http://php.net/manual/en/datetime.configuration.php#ini.date.timezone
+		}
+	}
+
+    /**
+     * Returns the absolute URL to the application root path
+     * @return string The absolute URL to the application root, without the first slash
+     */                   
+	static public function GetAbsoluteUrlAppRoot()
+	{
+		static $sUrl = null;
+		if ($sUrl === null)
+		{
+			$sUrl = self::GetConfig()->Get('app_root_url');
+			if ($sUrl == '')
+			{
+				$sUrl = self::GetDefaultUrlAppRoot();
+			}
+			elseif (strpos($sUrl, SERVER_NAME_PLACEHOLDER) > -1)
+			{
+				if (isset($_SERVER['SERVER_NAME']))
+				{
+					$sServerName = $_SERVER['SERVER_NAME'];
+				}
+				else
+				{
+					// CLI mode ?
+					$sServerName = php_uname('n');
+				}
+				$sUrl = str_replace(SERVER_NAME_PLACEHOLDER, $sServerName, $sUrl);
+			}
+		}
+		return $sUrl;
+	}
+
+	static public function GetDefaultUrlAppRoot()
+	{
+		// Build an absolute URL to this page on this server/port
+		$sServerName = isset($_SERVER['SERVER_NAME']) ? $_SERVER['SERVER_NAME'] : '';
+		$sProtocol = self::IsConnectionSecure() ? 'https' : 'http';
+		$iPort = isset($_SERVER['SERVER_PORT']) ? $_SERVER['SERVER_PORT'] : 80;
+		if ($sProtocol == 'http')
+		{
+			$sPort = ($iPort == 80) ? '' : ':'.$iPort;
+		}
+		else
+		{
+			$sPort = ($iPort == 443) ? '' : ':'.$iPort;
+		}
+		// $_SERVER['REQUEST_URI'] is empty when running on IIS
+		// Let's use Ivan Tcholakov's fix (found on www.dokeos.com)
+		if (!empty($_SERVER['REQUEST_URI']))
+		{
+			$sPath = $_SERVER['REQUEST_URI'];
+		}
+		else
+		{
+			$sPath = $_SERVER['SCRIPT_NAME'];
+			if (!empty($_SERVER['QUERY_STRING']))
+			{
+				$sPath .= '?'.$_SERVER['QUERY_STRING'];
+			}
+			$_SERVER['REQUEST_URI'] = $sPath;
+		}
+		$sPath = $_SERVER['REQUEST_URI'];
+
+		// remove all the parameters from the query string
+		$iQuestionMarkPos = strpos($sPath, '?');
+		if ($iQuestionMarkPos !== false)
+		{
+			$sPath = substr($sPath, 0, $iQuestionMarkPos);
+		}
+		$sAbsoluteUrl = "$sProtocol://{$sServerName}{$sPort}{$sPath}";
+
+		$sCurrentScript = realpath($_SERVER['SCRIPT_FILENAME']);
+		$sCurrentScript = str_replace('\\', '/', $sCurrentScript); // canonical path
+		$sAppRoot = str_replace('\\', '/', APPROOT); // canonical path
+		$sCurrentRelativePath = str_replace($sAppRoot, '', $sCurrentScript);
+	
+		$sAppRootPos = strpos($sAbsoluteUrl, $sCurrentRelativePath);
+		if ($sAppRootPos !== false)
+		{
+			$sAppRootUrl = substr($sAbsoluteUrl, 0, $sAppRootPos); // remove the current page and path
+		}
+		else
+		{
+			// Second attempt without index.php at the end...
+			$sCurrentRelativePath = str_replace('index.php', '', $sCurrentRelativePath);
+			$sAppRootPos = strpos($sAbsoluteUrl, $sCurrentRelativePath);
+			if ($sAppRootPos !== false)
+			{
+				$sAppRootUrl = substr($sAbsoluteUrl, 0, $sAppRootPos); // remove the current page and path
+			}
+			else
+			{
+				// No luck...
+				throw new Exception("Failed to determine application root path $sAbsoluteUrl ($sCurrentRelativePath) APPROOT:'$sAppRoot'");
+			}			
+		}
+		return $sAppRootUrl;
+	}
+
+	/**
+	 * Helper to handle the variety of HTTP servers
+	 * See #286 (fixed in [896]), and #634 (this fix)
+	 * 	 
+	 * Though the official specs says 'a non empty string', some servers like IIS do set it to 'off' !
+	 * nginx set it to an empty string
+	 * Others might leave it unset (no array entry)	 
+	 */	 	
+	static public function IsConnectionSecure()
+	{
+		$bSecured = false;
+
+		if (!empty($_SERVER['HTTPS']) && (strtolower($_SERVER['HTTPS']) != 'off'))
+		{
+			$bSecured = true;
+		}
+		return $bSecured;
+	}
+
+	/**
+	 * Tells whether or not log off operation is supported.
+	 * Actually in only one case:
+	 * 1) iTop is using an internal authentication
+	 * 2) the user did not log-in using the "basic" mode (i.e basic authentication) or by passing credentials in the URL
+	 * @return boolean True if logoff is supported, false otherwise
+	 */
+	static function CanLogOff()
+	{
+		$bResult = false;
+		if(isset($_SESSION['login_mode']))
+		{
+			$sLoginMode = $_SESSION['login_mode'];
+			switch($sLoginMode)
+			{
+				case 'external':
+				$bResult = false;
+				break;
+	
+				case 'form':
+				case 'basic':
+				case 'url':
+				case 'cas':
+				default:
+				$bResult = true;
+				
+			}			
+		}
+		return $bResult;
+	}
+
+	/**
+	 * Initializes the CAS client
+	 */
+	 static function InitCASClient()
+	 {
+		$sCASIncludePath =  self::GetConfig()->Get('cas_include_path');
+		include_once($sCASIncludePath.'/CAS.php');
+		
+		$bCASDebug = self::GetConfig()->Get('cas_debug');
+		if ($bCASDebug)
+		{
+			phpCAS::setDebug(APPROOT.'log/error.log');
+		}
+		
+		if (!self::$m_bCASClient)
+		{
+			// Initialize phpCAS
+			$sCASVersion = self::GetConfig()->Get('cas_version');
+			$sCASHost = self::GetConfig()->Get('cas_host');
+			$iCASPort = self::GetConfig()->Get('cas_port');
+			$sCASContext = self::GetConfig()->Get('cas_context');
+			phpCAS::client($sCASVersion, $sCASHost, $iCASPort, $sCASContext, false /* session already started */);
+			self::$m_bCASClient = true;
+			$sCASCACertPath = self::GetConfig()->Get('cas_server_ca_cert_path');
+			if (empty($sCASCACertPath))
+			{
+				// If no certificate authority is provided, do not attempt to validate
+				// the server's certificate
+				// THIS SETTING IS NOT RECOMMENDED FOR PRODUCTION. 
+				// VALIDATING THE CAS SERVER IS CRUCIAL TO THE SECURITY OF THE CAS PROTOCOL! 
+				phpCAS::setNoCasServerValidation();
+			}
+			else
+			{
+				phpCAS::setCasServerCACert($sCASCACertPath);
+			}			
+		}
+	 }
+	 
+	 static function DebugBacktrace($iLimit = 5)
+	 {
+		$aFullTrace = debug_backtrace();
+		$aLightTrace = array();
+		for($i=1; ($i<=$iLimit && $i < count($aFullTrace)); $i++) // Skip the last function call... which is the call to this function !
+		{
+			$aLightTrace[$i] = $aFullTrace[$i]['function'].'(), called from line '.$aFullTrace[$i]['line'].' in '.$aFullTrace[$i]['file'];
+		}
+		echo "<p><pre>".print_r($aLightTrace, true)."</pre></p>\n";
+	 }
+
+	/**
+	 * Execute the given iTop PHP script, passing it the current credentials
+	 * Only CLI mode is supported, because of the need to hand the credentials over to the next process
+	 * Throws an exception if the execution fails or could not be attempted (config issue)
+	 * @param string $sScript Name and relative path to the file (relative to the iTop root dir)
+	 * @param hash $aArguments Associative array of 'arg' => 'value'
+	 * @return array(iCode, array(output lines))
+	 */	 	  
+	/**
+	 */
+	static function ExecITopScript($sScriptName, $aArguments)
+	{
+		$aDisabled = explode(', ', ini_get('disable_functions'));
+		if (in_array('exec', $aDisabled))
+		{
+			throw new Exception("The PHP exec() function has been disabled on this server");
+		}
+
+		$sPHPExec = trim(self::GetConfig()->Get('php_path'));
+		if (strlen($sPHPExec) == 0)
+		{
+			throw new Exception("The path to php must not be empty. Please set a value for 'php_path' in your configuration file.");
+		}
+
+		$sAuthUser = self::ReadParam('auth_user', '', 'raw_data');
+		$sAuthPwd = self::ReadParam('auth_pwd', '', 'raw_data');
+		$sParamFile = self::GetParamSourceFile('auth_user');
+		if (is_null($sParamFile))
+		{
+			$aArguments['auth_user'] = $sAuthUser;
+			$aArguments['auth_pwd'] = $sAuthPwd;
+		}
+		else
+		{
+			$aArguments['param_file'] = $sParamFile;
+		}
+		
+		$aArgs = array();
+		foreach($aArguments as $sName => $value)
+		{
+			// Note: See comment from the 23-Apr-2004 03:30 in the PHP documentation
+			//    It suggests to rely on pctnl_* function instead of using escapeshellargs
+			$aArgs[] = "--$sName=".escapeshellarg($value);
+		}
+		$sArgs = implode(' ', $aArgs);
+		
+		$sScript = realpath(APPROOT.$sScriptName);
+		if (!file_exists($sScript))
+		{
+			throw new Exception("Could not find the script file '$sScriptName' from the directory '".APPROOT."'");
+		}
+
+		$sCommand = '"'.$sPHPExec.'" '.escapeshellarg($sScript).' -- '.$sArgs;
+
+		if (version_compare(phpversion(), '5.3.0', '<'))
+		{
+			if (substr(PHP_OS,0,3) == 'WIN')
+			{
+				// Under Windows, and for PHP 5.2.x, the whole command has to be quoted
+				// Cf PHP doc: http://php.net/manual/fr/function.exec.php, comment from the 27-Dec-2010
+				$sCommand = '"'.$sCommand.'"';
+			}
+		}
+
+		$sLastLine = exec($sCommand, $aOutput, $iRes);
+		if ($iRes == 1)
+		{
+			throw new Exception(Dict::S('Core:ExecProcess:Code1')." - ".$sCommand);
+		}
+		elseif ($iRes == 255)
+		{
+			$sErrors = implode("\n", $aOutput);
+			throw new Exception(Dict::S('Core:ExecProcess:Code255')." - ".$sCommand.":\n".$sErrors);
+		}
+
+		//$aOutput[] = $sCommand;
+		return array($iRes, $aOutput);
+	}
+
+	/**
+	 * Get the current environment
+	 */
+	public static function GetCurrentEnvironment()
+	{
+		if (isset($_SESSION['itop_env']))
+		{
+			return $_SESSION['itop_env'];
+		}
+		else
+		{
+			return ITOP_DEFAULT_ENV;
+		}
+	}
+
+	/**
+	 * Returns a path to a folder into which any module can store cache data
+	 * The corresponding folder is created or cleaned upon code compilation
+	 * @return string
+	 */
+	public static function GetCachePath()
+	{
+		return APPROOT.'data/cache-'.MetaModel::GetEnvironment().'/';
+	}
+	/**
+	 * Merge standard menu items with plugin provided menus items
+	 */
+	public static function GetPopupMenuItems($oPage, $iMenuId, $param, &$aActions, $sTableId = null, $sDataTableId = null)
+	{
+		// 1st - add standard built-in menu items
+		// 
+		switch($iMenuId)
+		{
+			case iPopupMenuExtension::MENU_OBJLIST_TOOLKIT:
+			// $param is a DBObjectSet
+			$oAppContext = new ApplicationContext();
+			$sContext = $oAppContext->GetForLink();
+			$sDataTableId = is_null($sDataTableId) ? '' : $sDataTableId;
+			$sUIPage = cmdbAbstractObject::ComputeStandardUIPage($param->GetFilter()->GetClass());
+			$sOQL = addslashes($param->GetFilter()->ToOQL(true));
+			$sFilter = urlencode($param->GetFilter()->serialize());
+			$sUrl = utils::GetAbsoluteUrlAppRoot()."pages/$sUIPage?operation=search&filter=".$sFilter."&{$sContext}";
+			$oPage->add_linked_script(utils::GetAbsoluteUrlAppRoot().'js/tabularfieldsselector.js');
+			$oPage->add_linked_script(utils::GetAbsoluteUrlAppRoot().'js/jquery.dragtable.js');
+			$oPage->add_linked_stylesheet(utils::GetAbsoluteUrlAppRoot().'css/dragtable.css');
+
+			$aResult = array();
+			if (strlen($sUrl) < SERVER_MAX_URL_LENGTH)
+			{
+				$aResult[] = new SeparatorPopupMenuItem();
+				// Static menus: Email this page, CSV Export & Add to Dashboard
+				$aResult[] = new URLPopupMenuItem('UI:Menu:EMail', Dict::S('UI:Menu:EMail'),
+						"mailto:?body=".urlencode($sUrl).' ' // Add an extra space to make it work in Outlook
+				);
+			}
+			
+			if (UserRights::IsActionAllowed($param->GetFilter()->GetClass(), UR_ACTION_BULK_READ, $param) != UR_ALLOWED_NO)
+			{
+				// Bulk export actions
+				$aResult[] = new JSPopupMenuItem('UI:Menu:CSVExport', Dict::S('UI:Menu:CSVExport'), "ExportListDlg('$sOQL', '$sDataTableId', 'csv', ".json_encode(Dict::S('UI:Menu:CSVExport')).")");
+				$aResult[] = new JSPopupMenuItem('UI:Menu:ExportXLSX', Dict::S('ExcelExporter:ExportMenu'), "ExportListDlg('$sOQL', '$sDataTableId', 'xlsx', ".json_encode(Dict::S('ExcelExporter:ExportMenu')).")");
+				if (extension_loaded('gd'))
+				{
+					// PDF export requires GD
+					$aResult[] = new JSPopupMenuItem('UI:Menu:ExportPDF', Dict::S('UI:Menu:ExportPDF'), "ExportListDlg('$sOQL', '$sDataTableId', 'pdf', ".json_encode(Dict::S('UI:Menu:ExportPDF')).")");
+				}
+			}
+			$aResult[] = new JSPopupMenuItem('UI:Menu:AddToDashboard', Dict::S('UI:Menu:AddToDashboard'), "DashletCreationDlg('$sOQL', '$sContext')");
+			$aResult[] = new JSPopupMenuItem('UI:Menu:ShortcutList', Dict::S('UI:Menu:ShortcutList'), "ShortcutListDlg('$sOQL', '$sDataTableId', '$sContext')");
+				
+			break;
+
+			case iPopupMenuExtension::MENU_OBJDETAILS_ACTIONS:
+			// $param is a DBObject
+			$oObj = $param;
+			$sOQL = "SELECT ".get_class($oObj)." WHERE id=".$oObj->GetKey();
+			$oFilter = DBObjectSearch::FromOQL($sOQL);
+			$sFilter = $oFilter->serialize();
+			$sUrl = ApplicationContext::MakeObjectUrl(get_class($oObj), $oObj->GetKey());
+			$sUIPage = cmdbAbstractObject::ComputeStandardUIPage(get_class($oObj));
+			$oAppContext = new ApplicationContext();
+			$sContext = $oAppContext->GetForLink();
+			$oPage->add_linked_script(utils::GetAbsoluteUrlAppRoot().'js/tabularfieldsselector.js');
+			$oPage->add_linked_script(utils::GetAbsoluteUrlAppRoot().'js/jquery.dragtable.js');
+			$oPage->add_linked_stylesheet(utils::GetAbsoluteUrlAppRoot().'css/dragtable.css');
+			$oPage->add_linked_script(utils::GetAbsoluteUrlAppRoot().'js/tabularfieldsselector.js');
+			$oPage->add_linked_script(utils::GetAbsoluteUrlAppRoot().'js/jquery.dragtable.js');
+			$oPage->add_linked_stylesheet(utils::GetAbsoluteUrlAppRoot().'css/dragtable.css');
+			
+			$aResult = array(
+				new SeparatorPopupMenuItem(),
+				// Static menus: Email this page & CSV Export
+				new URLPopupMenuItem('UI:Menu:EMail', Dict::S('UI:Menu:EMail'), "mailto:?subject=".urlencode($oObj->GetRawName())."&body=".urlencode($sUrl).' '), // Add an extra space to make it work in Outlook
+				new JSPopupMenuItem('UI:Menu:CSVExport', Dict::S('UI:Menu:CSVExport'), "ExportListDlg('$sOQL', '', 'csv', ".json_encode(Dict::S('UI:Menu:CSVExport')).")"),
+				new JSPopupMenuItem('UI:Menu:ExportXLSX', Dict::S('ExcelExporter:ExportMenu'), "ExportListDlg('$sOQL', '', 'xlsx', ".json_encode(Dict::S('ExcelExporter:ExportMenu')).")"),
+				new SeparatorPopupMenuItem(),
+				new URLPopupMenuItem('UI:Menu:PrintableVersion', Dict::S('UI:Menu:PrintableVersion'), $sUrl.'&printable=1', '_blank'),
+			);
+			break;
+
+			case iPopupMenuExtension::MENU_DASHBOARD_ACTIONS:
+			// $param is a Dashboard
+			$oAppContext = new ApplicationContext();
+			$aParams = $oAppContext->GetAsHash();
+			$sMenuId = ApplicationMenu::GetActiveNodeId();
+			$sDlgTitle = addslashes(Dict::S('UI:ImportDashboardTitle'));
+			$sDlgText = addslashes(Dict::S('UI:ImportDashboardText'));
+			$sCloseBtn = addslashes(Dict::S('UI:Button:Cancel'));
+			$aResult = array(
+				new SeparatorPopupMenuItem(),
+				new URLPopupMenuItem('UI:ExportDashboard', Dict::S('UI:ExportDashBoard'), utils::GetAbsoluteUrlAppRoot().'pages/ajax.render.php?operation=export_dashboard&id='.$sMenuId),
+				new JSPopupMenuItem('UI:ImportDashboard', Dict::S('UI:ImportDashBoard'), "UploadDashboard({dashboard_id: '$sMenuId', title: '$sDlgTitle', text: '$sDlgText', close_btn: '$sCloseBtn' })"),
+			);
+			break;
+
+			default:
+			// Unknown type of menu, do nothing
+			$aResult = array();
+		}
+		foreach($aResult as $oMenuItem)
+		{
+			$aActions[$oMenuItem->GetUID()] = $oMenuItem->GetMenuItem();
+		}
+
+		// Invoke the plugins
+		//
+		foreach (MetaModel::EnumPlugins('iPopupMenuExtension') as $oExtensionInstance)
+		{
+			if (is_object($param) && !($param instanceof DBObject))
+			{
+				$tmpParam = clone $param; // In case the parameter is an DBObjectSet, clone it to prevent alterations
+			}
+			else
+			{
+				$tmpParam = $param;
+			}
+			foreach($oExtensionInstance->EnumItems($iMenuId, $tmpParam) as $oMenuItem)
+			{
+				if (is_object($oMenuItem))
+				{
+					$aActions[$oMenuItem->GetUID()] = $oMenuItem->GetMenuItem();
+					
+					foreach($oMenuItem->GetLinkedScripts() as $sLinkedScript)
+					{
+						$oPage->add_linked_script($sLinkedScript);
+					}
+				}
+			}
+		}
+	}
+	/**
+	 * Get target configuration file name (including full path)
+	 */
+	public static function GetConfigFilePath($sEnvironment = null)
+	{
+		if (is_null($sEnvironment))
+		{
+			$sEnvironment = self::GetCurrentEnvironment();
+		}
+		return APPCONF.$sEnvironment.'/'.ITOP_CONFIG_FILE;
+	}
+
+    /**
+     * @return string the absolute URL to the modules root path
+     */                   
+	static public function GetAbsoluteUrlModulesRoot()
+	{
+		$sUrl = self::GetAbsoluteUrlAppRoot().'env-'.self::GetCurrentEnvironment().'/';
+		return $sUrl;
+	}
+
+	/**
+	 * To be compatible with this mechanism, the called page must include approot with an absolute path OR not include
+	 * it at all (losing the direct access to the page) :
+	 *
+	 * ```php
+	 * if (!defined('__DIR__')) define('__DIR__', dirname(__FILE__));
+	 * require_once(__DIR__.'/../../approot.inc.php');
+	 * ```
+	 *
+	 * @param string $sModule
+	 * @param string $sPage
+	 * @param string[] $aArguments
+	 * @param string $sEnvironment
+	 *
+	 * @return string the URL to a page that will execute the requested module page, with query string values url encoded
+	 *
+	 * @see GetExecPageArguments can be used to submit using the GET method (see bug in N.1108)
+	 * @see GetAbsoluteUrlExecPage
+	 */
+	static public function GetAbsoluteUrlModulePage($sModule, $sPage, $aArguments = array(), $sEnvironment = null)
+	{
+		$aArgs = self::GetExecPageArguments($sModule, $sPage, $aArguments, $sEnvironment);
+		$sArgs = http_build_query($aArgs);
+
+		return self::GetAbsoluteUrlExecPage()."?".$sArgs;
+	}
+
+	/**
+	 * @param string $sModule
+	 * @param string $sPage
+	 * @param string[] $aArguments
+	 * @param string $sEnvironment
+	 *
+	 * @return string[] key/value pair for the exec page query string. <b>Warning</b> : values are not url encoded !
+	 * @throws \Exception if one of the argument has a reserved name
+	 */
+	static public function GetExecPageArguments($sModule, $sPage, $aArguments = array(), $sEnvironment = null)
+	{
+		$sEnvironment = is_null($sEnvironment) ? self::GetCurrentEnvironment() : $sEnvironment;
+		$aArgs = array();
+		$aArgs['exec_module'] = $sModule;
+		$aArgs['exec_page'] = $sPage;
+		$aArgs['exec_env'] = $sEnvironment;
+		foreach($aArguments as $sName => $sValue)
+		{
+			if (($sName == 'exec_module') || ($sName == 'exec_page') || ($sName == 'exec_env'))
+			{
+				throw new Exception("Module page: $sName is a reserved page argument name");
+			}
+			$aArgs[$sName] = $sValue;
+		}
+
+		return $aArgs;
+	}
+
+	/**
+	 * @return string
+	 */
+	static public function GetAbsoluteUrlExecPage()
+	{
+		return self::GetAbsoluteUrlAppRoot().'pages/exec.php';
+	}
+
+	/**
+	 * Returns a name unique amongst the given list
+	 * @param string $sProposed The default value
+	 * @param array  $aExisting An array of existing values (strings)	 	 
+	 */
+	static public function MakeUniqueName($sProposed, $aExisting)
+	{
+		if (in_array($sProposed, $aExisting))
+		{
+			$i = 1;
+			while (in_array($sProposed.$i, $aExisting) && ($i < 50))
+			{
+				$i++;
+			}
+			return $sProposed.$i;
+		}
+		else
+		{
+			return $sProposed;
+		}
+	}
+	
+	/**
+	 * Some characters cause troubles with jQuery when used inside DOM IDs, so let's replace them by the safe _ (underscore)
+	 * @param string $sId The ID to sanitize
+	 * @return string The sanitized ID
+	 */
+	static public function GetSafeId($sId)
+	{
+		return str_replace(array(':', '[', ']', '+', '-'), '_', $sId);
+	}
+	
+	/**
+	 * Helper to execute an HTTP POST request
+	 * Source: http://netevil.org/blog/2006/nov/http-post-from-php-without-curl
+	 *         originaly named after do_post_request
+	 * Does not require cUrl but requires openssl for performing https POSTs.
+	 * 
+	 * @param string $sUrl The URL to POST the data to
+	 * @param hash $aData The data to POST as an array('param_name' => value)
+	 * @param string $sOptionnalHeaders Additional HTTP headers as a string with newlines between headers
+	 * @param hash	$aResponseHeaders An array to be filled with reponse headers: WARNING: the actual content of the array depends on the library used: cURL or fopen, test with both !! See: http://fr.php.net/manual/en/function.curl-getinfo.php
+	 * @param hash $aCurlOptions An (optional) array of options to pass to curl_init. The format is 'option_code' => 'value'. These values have precedence over the default ones. Example: CURLOPT_SSLVERSION => CURL_SSLVERSION_SSLv3
+	 * @return string The result of the POST request
+	 * @throws Exception
+	 */ 
+	static public function DoPostRequest($sUrl, $aData, $sOptionnalHeaders = null, &$aResponseHeaders = null, $aCurlOptions = array())
+	{
+		// $sOptionnalHeaders is a string containing additional HTTP headers that you would like to send in your request.
+	
+		if (function_exists('curl_init'))
+		{
+			// If cURL is available, let's use it, since it provides a greater control over the various HTTP/SSL options
+			// For instance fopen does not allow to work around the bug: http://stackoverflow.com/questions/18191672/php-curl-ssl-routinesssl23-get-server-helloreason1112
+			// by setting the SSLVERSION to 3 as done below.
+			$aHeaders = explode("\n", $sOptionnalHeaders);
+			$aHTTPHeaders = array();
+			foreach($aHeaders as $sHeaderString)
+			{
+				if(preg_match('/^([^:]): (.+)$/', $sHeaderString, $aMatches))
+				{
+					$aHTTPHeaders[$aMatches[1]] = $aMatches[2];
+				}
+			}
+			// Default options, can be overloaded/extended with the 4th parameter of this method, see above $aCurlOptions
+			$aOptions = array(
+				CURLOPT_RETURNTRANSFER	=> true,     // return the content of the request
+				CURLOPT_HEADER			=> false,    // don't return the headers in the output
+				CURLOPT_FOLLOWLOCATION	=> true,     // follow redirects
+				CURLOPT_ENCODING		=> "",       // handle all encodings
+				CURLOPT_USERAGENT		=> "spider", // who am i
+				CURLOPT_AUTOREFERER		=> true,     // set referer on redirect
+				CURLOPT_CONNECTTIMEOUT	=> 120,      // timeout on connect
+				CURLOPT_TIMEOUT			=> 120,      // timeout on response
+				CURLOPT_MAXREDIRS		=> 10,       // stop after 10 redirects
+				CURLOPT_SSL_VERIFYPEER	=> false,    // Disabled SSL Cert checks
+				// SSLV3 (CURL_SSLVERSION_SSLv3 = 3) is now considered as obsolete/dangerous: http://disablessl3.com/#why
+				// but it used to be a MUST to prevent a strange SSL error: http://stackoverflow.com/questions/18191672/php-curl-ssl-routinesssl23-get-server-helloreason1112
+				// CURLOPT_SSLVERSION		=> 3,
+				CURLOPT_POST			=> count($aData),
+				CURLOPT_POSTFIELDS		=> http_build_query($aData),
+				CURLOPT_HTTPHEADER		=> $aHTTPHeaders,
+			);
+			
+			$aAllOptions = $aCurlOptions + $aOptions;
+			$ch = curl_init($sUrl);
+			curl_setopt_array($ch, $aAllOptions);
+			$response = curl_exec($ch);
+			$iErr = curl_errno($ch);
+			$sErrMsg = curl_error( $ch );
+			$aHeaders = curl_getinfo( $ch );
+			if ($iErr !== 0)
+			{
+				throw new Exception("Problem opening URL: $sUrl, $sErrMsg");
+			}
+			if (is_array($aResponseHeaders))
+			{
+				$aHeaders = curl_getinfo($ch);
+				foreach($aHeaders as $sCode => $sValue)
+				{
+					$sName = str_replace(' ' , '-', ucwords(str_replace('_', ' ', $sCode))); // Transform "content_type" into "Content-Type"
+					$aResponseHeaders[$sName] = $sValue;
+				}
+			}
+			curl_close( $ch );
+		}
+		else
+		{
+			// cURL is not available let's try with streams and fopen...
+			
+			$sData = http_build_query($aData);
+			$aParams = array('http' => array(
+									'method' => 'POST',
+									'content' => $sData,
+									'header'=> "Content-type: application/x-www-form-urlencoded\r\nContent-Length: ".strlen($sData)."\r\n",
+									));
+			if ($sOptionnalHeaders !== null)
+			{
+				$aParams['http']['header'] .= $sOptionnalHeaders;
+			}
+			$ctx = stream_context_create($aParams);
+		
+			$fp = @fopen($sUrl, 'rb', false, $ctx);
+			if (!$fp)
+			{
+				global $php_errormsg;
+				if (isset($php_errormsg))
+				{
+					throw new Exception("Wrong URL: $sUrl, $php_errormsg");
+				}
+				elseif ((strtolower(substr($sUrl, 0, 5)) == 'https') && !extension_loaded('openssl'))
+				{
+					throw new Exception("Cannot connect to $sUrl: missing module 'openssl'");
+				}
+				else
+				{
+					throw new Exception("Wrong URL: $sUrl");
+				}
+			}
+			$response = @stream_get_contents($fp);
+			if ($response === false)
+			{
+				throw new Exception("Problem reading data from $sUrl, $php_errormsg");
+			}
+			if (is_array($aResponseHeaders))
+			{
+				$aMeta = stream_get_meta_data($fp);
+				$aHeaders = $aMeta['wrapper_data'];
+				foreach($aHeaders as $sHeaderString)
+				{
+					if(preg_match('/^([^:]+): (.+)$/', $sHeaderString, $aMatches))
+					{
+						$aResponseHeaders[$aMatches[1]] = trim($aMatches[2]);
+					}
+				}
+			}
+		}
+		return $response;
+	}
+
+	/**
+	 * Get a standard list of character sets
+	 *	 
+ 	 * @param array $aAdditionalEncodings Additional values
+	 * @return array of iconv code => english label, sorted by label
+	 */
+	public static function GetPossibleEncodings($aAdditionalEncodings = array())
+	{
+		// Encodings supported:
+		// ICONV_CODE => Display Name
+		// Each iconv installation supports different encodings
+		// Some reasonably common and useful encodings are listed here
+		$aPossibleEncodings = array(
+			'UTF-8' => 'Unicode (UTF-8)',
+			'ISO-8859-1' => 'Western (ISO-8859-1)',
+			'WINDOWS-1251' => 'Cyrilic (Windows 1251)',
+			'WINDOWS-1252' => 'Western (Windows 1252)',
+			'ISO-8859-15' => 'Western (ISO-8859-15)',
+		);
+		$aPossibleEncodings = array_merge($aPossibleEncodings, $aAdditionalEncodings);
+		asort($aPossibleEncodings);
+		return $aPossibleEncodings;
+	}
+	
+	/**
+	 * Convert a string containing some (valid) HTML markup to plain text
+	 * @param string $sHtml
+	 * @return string
+	 */
+	public static function HtmlToText($sHtml)
+	{
+		try
+		{
+			//return '<?xml encoding="UTF-8">'.$sHtml;
+			return \Html2Text\Html2Text::convert('<?xml encoding="UTF-8">'.$sHtml);
+		}
+		catch(Exception $e)
+		{
+			return $e->getMessage();
+		}
+	}
+	
+	/**
+	 * Convert (?) plain text to some HTML markup by replacing newlines by <br/> tags
+	 * and escaping HTML entities
+	 * @param string $sText
+	 * @return string
+	 */
+	public static function TextToHtml($sText)
+	{
+		$sText = str_replace("\r\n", "\n", $sText);
+		$sText = str_replace("\r", "\n", $sText);
+		return str_replace("\n", '<br/>', htmlentities($sText, ENT_QUOTES, 'UTF-8'));
+	}
+	
+	/**
+	 * Eventually compiles the SASS (.scss) file into the CSS (.css) file
+	 *
+	 * @param string $sSassRelPath Relative path to the SCSS file (must have the extension .scss)
+	 * @param array $aImportPaths Array of absolute paths to load imports from
+	 * @return string Relative path to the CSS file (<name>.css)
+	 */
+	static public function GetCSSFromSASS($sSassRelPath, $aImportPaths = null)
+	{
+		// Avoiding compilation if file is already a css file.
+		if (preg_match('/\.css$/', $sSassRelPath))
+		{
+			return $sSassRelPath;
+		}
+
+		// Setting import paths
+		if ($aImportPaths === null)
+		{
+			$aImportPaths = array();
+		}
+		$aImportPaths[] = APPROOT . '/css';
+
+		$sSassPath = APPROOT.$sSassRelPath;
+		$sCssRelPath = preg_replace('/\.scss$/', '.css', $sSassRelPath);
+		$sCssPath = APPROOT.$sCssRelPath;
+		clearstatcache();
+		if (!file_exists($sCssPath) || (is_writable($sCssPath) && (filemtime($sCssPath) < filemtime($sSassPath))))
+		{
+			require_once(APPROOT.'lib/scssphp/scss.inc.php');
+			$oScss = new Compiler();
+			$oScss->setImportPaths($aImportPaths);
+			$oScss->setFormatter('Leafo\\ScssPhp\\Formatter\\Expanded');
+			// Temporary disabling max exec time while compiling
+			$iCurrentMaxExecTime = (int) ini_get('max_execution_time');
+			set_time_limit(0);
+			$sCss = $oScss->compile(file_get_contents($sSassPath));
+			set_time_limit($iCurrentMaxExecTime);
+			file_put_contents($sCssPath, $sCss);
+		}
+		return $sCssRelPath;
+	}
+	
+	static public function GetImageSize($sImageData)
+	{
+		if (function_exists('getimagesizefromstring')) // PHP 5.4.0 or higher
+		{
+			$aRet = @getimagesizefromstring($sImageData);
+		}
+		else if(ini_get('allow_url_fopen'))
+		{
+			// work around to avoid creating a tmp file
+			$sUri = 'data://application/octet-stream;base64,'.base64_encode($sImageData);
+			$aRet = @getimagesize($sUri);
+		}
+		else
+		{
+			// Damned, need to create a tmp file
+			$sTempFile = tempnam(SetupUtils::GetTmpDir(), 'img-');
+			@file_put_contents($sTempFile, $sImageData);
+			$aRet = @getimagesize($sTempFile);
+			@unlink($sTempFile);
+		}
+		return $aRet;
+	}
+
+	/**
+	 * Resize an image attachment so that it fits in the given dimensions
+	 * @param ormDocument $oImage The original image stored as an ormDocument
+	 * @param int $iWidth Image's original width
+	 * @param int $iHeight Image's original height
+	 * @param int $iMaxImageWidth Maximum width for the resized image
+	 * @param int $iMaxImageHeight Maximum height for the resized image
+	 * @return ormDocument The resampled image
+	 */
+	public static function ResizeImageToFit(ormDocument $oImage, $iWidth, $iHeight, $iMaxImageWidth, $iMaxImageHeight)
+	{
+		// If image size smaller than maximums, we do nothing
+		if (($iWidth <= $iMaxImageWidth) && ($iHeight <= $iMaxImageHeight))
+		{
+			return $oImage;
+		}
+
+
+		// If gd extension is not loaded, we put a warning in the log and return the image as is
+		if (extension_loaded('gd') === false)
+		{
+			IssueLog::Warning('Image could not be resized as the "gd" extension does not seem to be loaded. It will remain as ' . $iWidth . 'x' . $iHeight . ' instead of ' . $iMaxImageWidth . 'x' . $iMaxImageHeight);
+			return $oImage;
+		}
+
+
+		switch($oImage->GetMimeType())
+		{
+			case 'image/gif':
+			case 'image/jpeg':
+			case 'image/png':
+			$img = @imagecreatefromstring($oImage->GetData());
+			break;
+			
+			default:
+			// Unsupported image type, return the image as-is
+			//throw new Exception("Unsupported image type: '".$oImage->GetMimeType()."'. Cannot resize the image, original image will be used.");
+			return $oImage;
+		}
+		if ($img === false)
+		{
+			//throw new Exception("Warning: corrupted image: '".$oImage->GetFileName()." / ".$oImage->GetMimeType()."'. Cannot resize the image, original image will be used.");
+			return $oImage;
+		}
+		else
+		{
+			// Let's scale the image, preserving the transparency for GIFs and PNGs
+			
+			$fScale = min($iMaxImageWidth / $iWidth, $iMaxImageHeight / $iHeight);
+
+			$iNewWidth = $iWidth * $fScale;
+			$iNewHeight = $iHeight * $fScale;
+			
+			$new = imagecreatetruecolor($iNewWidth, $iNewHeight);
+			
+			// Preserve transparency
+			if(($oImage->GetMimeType() == "image/gif") || ($oImage->GetMimeType() == "image/png"))
+			{
+				imagecolortransparent($new, imagecolorallocatealpha($new, 0, 0, 0, 127));
+				imagealphablending($new, false);
+				imagesavealpha($new, true);
+			}
+			
+			imagecopyresampled($new, $img, 0, 0, 0, 0, $iNewWidth, $iNewHeight, $iWidth, $iHeight);
+			
+			ob_start();
+			switch ($oImage->GetMimeType())
+			{
+				case 'image/gif':
+				imagegif($new); // send image to output buffer
+				break;
+				
+				case 'image/jpeg':
+				imagejpeg($new, null, 80); // null = send image to output buffer, 80 = good quality
+				break;
+				 
+				case 'image/png':
+				imagepng($new, null, 5); // null = send image to output buffer, 5 = medium compression
+				break;
+			}
+			$oResampledImage = new ormDocument(ob_get_contents(), $oImage->GetMimeType(), $oImage->GetFileName());
+			@ob_end_clean();
+			
+			imagedestroy($img);
+			imagedestroy($new);
+							
+			return $oResampledImage;
+		}
+				
+	}
+	
+	/**
+	 * Create a 128 bit UUID in the format: {########-####-####-####-############}
+	 * 
+	 * Note: this method can be run from the command line as well as from the web server.
+	 * Note2: this method is not cryptographically secure! If you need a cryptographically secure value
+	 * consider using open_ssl or PHP 7 methods.
+	 * @param string $sPrefix
+	 * @return string
+	 */
+	static public function CreateUUID($sPrefix = '')
+	{
+		$uid = uniqid("", true);
+		$data = $sPrefix;
+		$data .= __FILE__;
+		$data .= mt_rand();
+		$hash = strtoupper(hash('ripemd128', $uid . md5($data)));
+		$sUUID = '{' .
+				substr($hash,  0,  8) .
+				'-' .
+				substr($hash,  8,  4) .
+				'-' .
+				substr($hash, 12,  4) .
+				'-' .
+				substr($hash, 16,  4) .
+				'-' .
+				substr($hash, 20, 12) .
+				'}';
+		return $sUUID;
+	}
+
+	/**
+	 * Returns the name of the module containing the file where the call to this function is made
+	 * or an empty string if no such module is found (or not called within a module file)
+	 * @param number $iCallDepth The depth of the module in the callstack. Zero when called directly from within the module
+	 * @return string
+	 */
+	static public function GetCurrentModuleName($iCallDepth = 0)
+	{
+		$sCurrentModuleName = '';
+		$aCallStack = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS);
+		$sCallerFile = realpath($aCallStack[$iCallDepth]['file']);
+		
+		foreach(GetModulesInfo() as $sModuleName => $aInfo)
+		{
+			if ($aInfo['root_dir'] !== '')
+			{
+				$sRootDir = realpath(APPROOT.$aInfo['root_dir']);
+				
+				if(substr($sCallerFile, 0, strlen($sRootDir)) === $sRootDir)
+				{
+					$sCurrentModuleName = $sModuleName;
+					break;
+				}
+			}
+		}
+		return $sCurrentModuleName;
+	}
+	
+	/**
+	 * Returns the relative (to APPROOT) path of the root directory of the module containing the file where the call to this function is made
+	 * or an empty string if no such module is found (or not called within a module file)
+	 * @param number $iCallDepth The depth of the module in the callstack. Zero when called directly from within the module
+	 * @return string
+	 */
+	static public function GetCurrentModuleDir($iCallDepth)
+	{
+		$sCurrentModuleDir = '';
+		$aCallStack = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS);
+		$sCallerFile = realpath($aCallStack[$iCallDepth]['file']);
+	
+		foreach(GetModulesInfo() as $sModuleName => $aInfo)
+		{
+			if ($aInfo['root_dir'] !== '')
+			{
+				$sRootDir = realpath(APPROOT.$aInfo['root_dir']);
+	
+				if(substr($sCallerFile, 0, strlen($sRootDir)) === $sRootDir)
+				{
+					$sCurrentModuleDir = basename($sRootDir);
+					break;
+				}
+			}
+		}
+		return $sCurrentModuleDir;
+	}
+	
+	/**
+	 * Returns the base URL for all files in the current module from which this method is called
+	 * or an empty string if no such module is found (or not called within a module file)
+	 * @return string
+	 */
+	static public function GetCurrentModuleUrl()
+	{
+		$sDir = static::GetCurrentModuleDir(1);
+		if ( $sDir !== '')
+		{
+			return static::GetAbsoluteUrlModulesRoot().'/'.$sDir;
+		}
+		return '';
+	}
+	
+	/**
+	 * Get the value of a given setting for the current module
+	 * @param string $sProperty The name of the property to retrieve
+	 * @param mixed $defaultvalue
+	 * @return mixed
+	 */
+	static public function GetCurrentModuleSetting($sProperty, $defaultvalue = null)
+	{
+		$sModuleName = static::GetCurrentModuleName(1);
+		return MetaModel::GetModuleSetting($sModuleName, $sProperty, $defaultvalue);
+	}
+	
+	/**
+	 * Get the compiled version of a given module, as it was seen by the compiler
+	 * @param string $sModuleName
+	 * @return string|NULL
+	 */
+	static public function GetCompiledModuleVersion($sModuleName)
+	{
+		$aModulesInfo = GetModulesInfo();
+		if (array_key_exists($sModuleName, $aModulesInfo))
+		{
+			return $aModulesInfo[$sModuleName]['version'];
+		}
+		return null;
+	}
+	
+	/**
+	 * Check if the given path/url is an http(s) URL
+	 * @param string $sPath
+	 * @return boolean
+	 */
+	public static function IsURL($sPath)
+	{
+		$bRet = false;
+		if ((substr($sPath, 0, 7) == 'http://') || (substr($sPath, 0, 8) == 'https://') || (substr($sPath, 0, 8) == 'ftp://'))
+		{
+			$bRet = true;
+		}
+		return $bRet;
+	}
+	
+	/**
+	 * Check if the given URL is a link to download a document/image on the CURRENT iTop
+	 * In such a case we can read the content of the file directly in the database (if the users rights allow) and return the ormDocument
+	 * @param string $sPath
+	 * @return false|ormDocument
+	 * @throws Exception
+	 */
+	public static function IsSelfURL($sPath)
+	{
+		$result = false;
+		$sPageUrl = utils::GetAbsoluteUrlAppRoot().'pages/ajax.document.php';
+		if (substr($sPath, 0, strlen($sPageUrl)) == $sPageUrl)
+		{
+			// If the URL is an URL pointing to this instance of iTop, then
+			// extract the "query" part of the URL and analyze it
+			$sQuery = parse_url($sPath, PHP_URL_QUERY);
+			if ($sQuery !== null)
+			{
+				$aParams = array();
+				foreach(explode('&', $sQuery) as $sChunk)
+				{
+					$aParts = explode('=', $sChunk);
+					if (count($aParts) != 2) continue;
+					$aParams[$aParts[0]] = urldecode($aParts[1]);
+				}
+				$result = array_key_exists('operation', $aParams) && array_key_exists('class', $aParams) && array_key_exists('id', $aParams) && array_key_exists('field', $aParams) && ($aParams['operation'] == 'download_document');
+				if ($result)
+				{
+					// This is a 'download_document' operation, let's retrieve the document directly from the database
+					$sClass = $aParams['class'];
+					$iKey = $aParams['id'];
+					$sAttCode = $aParams['field'];
+
+					$oObj = MetaModel::GetObject($sClass, $iKey, false /* must exist */); // Users rights apply here !!
+					if ($oObj)
+					{
+						/**
+						 * @var ormDocument $result
+						 */
+						$result = clone $oObj->Get($sAttCode);
+						return $result;
+					}
+				}
+			}
+			throw new Exception('Invalid URL. This iTop URL is not pointing to a valid Document/Image.');
+		}
+		return $result;
+	}
+	
+	/**
+	 * Read the content of a file (and retrieve its MIME type) from either:
+	 * - an URL pointing to a blob (image/document) on the current iTop server
+	 * - an http(s) URL
+	 * - the local file system (but only if you are an administrator)
+	 * @param string $sPath
+	 * @return ormDocument|null
+	 * @throws Exception
+	 */
+	public static function FileGetContentsAndMIMEType($sPath)
+	{
+		$oUploadedDoc = null;
+		$aKnownExtensions = array(
+				'xlsx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
+				'xltx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.template',
+				'potx' => 'application/vnd.openxmlformats-officedocument.presentationml.template',
+				'ppsx' => 'application/vnd.openxmlformats-officedocument.presentationml.slideshow',
+				'pptx' => 'application/vnd.openxmlformats-officedocument.presentationml.presentation',
+				'sldx' => 'application/vnd.openxmlformats-officedocument.presentationml.slide',
+				'docx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
+				'dotx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.template',
+				'xlam' => 'application/vnd.ms-excel.addin.macroEnabled.12',
+				'xlsb' => 'application/vnd.ms-excel.sheet.binary.macroEnabled.12',
+				'jpg' => 'image/jpeg',
+				'jpeg' => 'image/jpeg',
+				'gif' => 'image/gif',
+				'png' => 'image/png',
+				'pdf' => 'application/pdf',
+				'doc' => 'application/msword',
+				'dot' => 'application/msword',
+				'xls' => 'application/vnd.ms-excel',
+				'ppt' => 'application/vnd.ms-powerpoint',
+				'vsd' => 'application/x-visio',
+				'vdx' => 'application/visio.drawing',
+				'odt' => 'application/vnd.oasis.opendocument.text',
+				'ods' => 'application/vnd.oasis.opendocument.spreadsheet',
+				'odp' => 'application/vnd.oasis.opendocument.presentation',
+				'zip' => 'application/zip',
+				'txt' => 'text/plain',
+				'htm' => 'text/html',
+				'html' => 'text/html',
+				'exe' => 'application/octet-stream'
+		);
+	
+		$sData = null;
+		$sMimeType = 'text/plain'; // Default MIME Type: treat the file as a bunch a characters...
+		$sFileName = 'uploaded-file'; // Default name for downloaded-files
+		$sExtension = '.txt'; // Default file extension in case we don't know the MIME Type
+
+		if(empty($sPath))
+		{
+			// Empty path (NULL or '') means that there is no input, making an empty document.
+			$oUploadedDoc = new ormDocument('', '', '');
+		}
+		elseif (static::IsURL($sPath))
+		{
+			if ($oUploadedDoc = static::IsSelfURL($sPath))
+			{
+				// Nothing more to do, we've got it !!
+			}
+			else
+			{
+				// Remote file, let's use the HTTP headers to find the MIME Type
+				$sData = @file_get_contents($sPath);
+				if ($sData === false)
+				{
+					throw new Exception("Failed to load the file from the URL '$sPath'.");
+				}
+				else
+				{
+					if (isset($http_response_header))
+					{
+						$aHeaders = static::ParseHeaders($http_response_header);
+						$sMimeType = array_key_exists('Content-Type', $aHeaders) ? strtolower($aHeaders['Content-Type']) : 'application/x-octet-stream';
+						// Compute the file extension from the MIME Type
+						foreach($aKnownExtensions as $sExtValue => $sMime)
+						{
+							if ($sMime === $sMimeType)
+							{
+								$sExtension = '.'.$sExtValue;
+								break;
+							}
+						}
+					}
+					$sFileName .= $sExtension;
+				}
+				$oUploadedDoc = new ormDocument($sData, $sMimeType, $sFileName);
+			}
+		}
+		else if (UserRights::IsAdministrator())
+		{
+			// Only administrators are allowed to read local files
+			$sData = @file_get_contents($sPath);
+			if ($sData === false)
+			{
+				throw new Exception("Failed to load the file '$sPath'. The file does not exist or the current process is not allowed to access it.");
+			}
+			$sExtension = strtolower(pathinfo($sPath, PATHINFO_EXTENSION));
+			$sFileName = basename($sPath);
+				
+			if (array_key_exists($sExtension, $aKnownExtensions))
+			{
+				$sMimeType = $aKnownExtensions[$sExtension];
+			}
+			else if (extension_loaded('fileinfo'))
+			{
+				$finfo = new finfo(FILEINFO_MIME);
+				$sMimeType = $finfo->file($sPath);
+			}
+			$oUploadedDoc = new ormDocument($sData, $sMimeType, $sFileName);
+		}
+		return $oUploadedDoc;
+	}
+	
+	protected static function ParseHeaders($aHeaders)
+	{
+		$aCleanHeaders = array();
+		foreach( $aHeaders as $sKey => $sValue )
+		{
+			$aTokens = explode(':', $sValue, 2);
+			if(isset($aTokens[1]))
+			{
+				$aCleanHeaders[trim($aTokens[0])] = trim($aTokens[1]);
+			}
+			else
+			{
+				// The header is not in the form Header-Code: Value
+				$aCleanHeaders[] = $sValue; // Store the value as-is
+				$aMatches = array();
+				// Check if it's not the HTTP response code
+				if( preg_match("|HTTP/[0-9\.]+\s+([0-9]+)|", $sValue, $aMatches) )
+				{
+					$aCleanHeaders['reponse_code'] = intval($aMatches[1]);
+				}
+			}
+		}
+		return $aCleanHeaders;
+	}
+	
+	/**
+	 * Return a string based on compilation time or (if not available because the datamodel has not been loaded)
+	 * the version of iTop. This string is useful to prevent browser side caching of content that may vary at each
+	 * (re)installation of iTop (especially during development). 
+	 * @return string
+	 */
+	public static function GetCacheBusterTimestamp()
+	{
+		if(!defined('COMPILATION_TIMESTAMP'))
+		{
+			return ITOP_VERSION;
+		}
+		return COMPILATION_TIMESTAMP;
+	}
+
+	/**
+	 * Check if the given class if configured as a high cardinality class.
+	 *
+	 * @param $sClass
+	 *
+	 * @return bool
+	 */
+	public static function IsHighCardinality($sClass)
+	{
+		if (utils::GetConfig()->Get('search_manual_submit'))
+		{
+			return true;
+		}
+		$aHugeClasses = MetaModel::GetConfig()->Get('high_cardinality_classes');
+		return in_array($sClass, $aHugeClasses);
+	}
+}
diff --git a/js/searchformforeignkeys.js b/js/searchformforeignkeys.js
index d5dc8474b..544361b39 100644
--- a/js/searchformforeignkeys.js
+++ b/js/searchformforeignkeys.js
@@ -1,342 +1,342 @@
-// Copyright (C) 2010-2018 Combodo SARL
-//
-//   This file is part of iTop.
-//
-//   iTop is free software; you can redistribute it and/or modify
-//   it under the terms of the GNU Affero General Public License as published by
-//   the Free Software Foundation, either version 3 of the License, or
-//   (at your option) any later version.
-//
-//   iTop is distributed in the hope that it will be useful,
-//   but WITHOUT ANY WARRANTY; without even the implied warranty of
-//   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-//   GNU Affero General Public License for more details.
-//
-//   You should have received a copy of the GNU Affero General Public License
-//   along with iTop. If not, see <http://www.gnu.org/licenses/>
-
-/**
- *
- * @param id String the dom identifier of the source input
- * @param sTargetClass
- * @param sAttCode
- * @param oSearchWidgetElmt
- * @param sFilter
- * @param sTitle
- * @constructor
- */
-function SearchFormForeignKeys(id, sTargetClass, sAttCode, oSearchWidgetElmt, sFilter, sTitle)
-{
-	this.id = id;
-	//this.sOriginalTargetClass = sTargetClass;
-	this.sTargetClass = sTargetClass;
-	this.sFilter = sFilter;
-	this.sTitle = sTitle;
-	this.sAttCode = sAttCode;
-	this.oSearchWidgetElmt = oSearchWidgetElmt;
-	this.emptyHtml = ''; // content to be displayed when the search results are empty (when opening the dialog)
-	this.emptyOnClose = true; // Workaround for the JQuery dialog being very slow when opening and closing if the content contains many INPUT tags
-	this.ajax_request = null;
-	// this.bSelectMode = bSelectMode; // true if the edited field is a SELECT, false if it's an autocomplete
-	// this.bSearchMode = bSearchMode; // true if selecting a value in the context of a search form
-	var me = this;
-
-	this.Init = function()
-	{
-		// make sure that the form is clean
-		$('#linkedset_'+this.id+' .selection').each( function() { this.checked = false; });
-		$('#'+this.id+'_btnRemove').prop('disabled', false);
-
-
-		$('<div id="dlg_'+me.id+'"></div>').appendTo(document.body);
-
-		// me.trace(dialog);
-
-		//TODO : check and remove all unneded code bellow this line!!
-
-		$('#'+this.id+'_linksToRemove').val('');
-
-		$('#linkedset_'+me.id).on('remove', function() {
-			// prevent having the dlg div twice
-			$('#dlg_'+me.id).remove();
-		});
-
-		$('#'+this.iInputId).closest('form').submit(function() {
-			return me.OnFormSubmit();
-		});
-	};
-
-	this.StopPendingRequest = function()
-	{
-		if (me.ajax_request)
-		{
-			me.ajax_request.abort();
-			me.ajax_request = null;
-		}
-	};
-
-	this.ShowModalSearchForeignKeys = function()
-	{
-		// // Query the server to get the form to search for target objects
-		// if (me.bSelectMode)
-		// {
-		// 	$('#fstatus_'+me.id).html('<img src="../images/indicator.gif" />');
-		// }
-		// else
-		// {
-		// 	$('#label_'+me.id).addClass('dlg_loading');
-		// }
-		$('#label_'+me.id).addClass('dlg_loading');
-		var theMap = {
-			sAttCode: me.sAttCode,
-			iInputId: me.id,
-			sTitle: me.sTitle,
-			sTargetClass: me.sTargetClass,
-			// bSearchMode: me.bSearchMode,
-			operation: 'ShowModalSearchForeignKeys'
-		};
-
-
-
-		// Make sure that we cancel any pending request before issuing another
-		// since responses may arrive in arbitrary order
-		me.StopPendingRequest();
-
-		// Run the query and get the result back directly in HTML
-		me.ajax_request = $.post( AddAppContext(GetAbsoluteUrlAppRoot()+'pages/ajax.render.php'), theMap,
-			function(data)
-			{
-				// $('#dlg_'+me.id).html(data);
-				$('#dlg_'+me.id).empty().append($(data)); // $(data).filter(':not(script)'));
-				$('#dlg_'+me.id).dialog('open');
-				me.UpdateSizes();
-				me.UpdateButtons();
-				me.ajax_request = null;
-				me.ListResultsSearchForeignKeys();
-			},
-			'html'
-		);
-	};
-
-	this.UpdateSizes = function()
-	{
-		var dlg = $('#dlg_'+me.id);
-		// Adjust the dialog's size to fit into the screen
-		if (dlg.width() > ($(window).width()-40))
-		{
-			dlg.width($(window).width()-40);
-		}
-		if (dlg.height() > ($(window).height()-70))
-		{
-			dlg.height($(window).height()-70);
-		}
-		var searchForm = dlg.find('div.display_block:first'); // Top search form, enclosing display_block
-		var results = $('#SearchResultsToAdd_'+me.id);
-		var oPadding = {};
-		var aKeys = ['top', 'right', 'bottom', 'left'];
-		for(k in aKeys)
-		{
-			oPadding[aKeys[k]] = 0;
-			if (dlg.css('padding-'+aKeys[k]))
-			{
-				oPadding[aKeys[k]] = parseInt(dlg.css('padding-'+aKeys[k]).replace('px', ''));
-			}
-		}
-		//var width = dlg.innerWidth() - oPadding['right'] - oPadding['left'] - 22; // 5 (margin-left) + 5 (padding-left) + 5 (padding-right) + 5 (margin-right) + 2 for rounding !
-		var height = dlg.innerHeight()-oPadding['top']-oPadding['bottom']-22;
-		var form_height = searchForm.outerHeight();
-		results.height(height - form_height - 40); // Leave some space for the buttons
-	};
-
-	this.UpdateButtons = function()
-	{
-		var okBtn = $('#btn_ok_'+me.id);
-		if ($('#count_'+me.id).val() > 0)
-		{
-			okBtn.removeAttr('disabled');
-		}
-		else
-		{
-			okBtn.prop('disabled', 'disabled');
-		}
-	};
-
-	/**
-	 * @return {boolean}
-	 */
-	this.ListResultsSearchForeignKeys = function ()
-	{
-		var theMap = {
-			sTargetClass: me.sTargetClass,
-			iInputId: me.id,
-			sFilter: me.sFilter
-			// bSearchMode: me.bSearchMode
-		};
-
-		// Gather the parameters from the search form
-		$('#fs_'+me.id+' :input').each( function() {
-			if (this.name !== '')
-			{
-				var val = $(this).val(); // supports multiselect as well
-				if (val !== null)
-				{
-					theMap[this.name] = val;
-				}
-			}
-		});
-
-
-
-		theMap['sRemoteClass'] = theMap['class'];  // swap 'class' (defined in the form) and 'remoteClass'
-		theMap.operation = 'ListResultsSearchForeignKeys'; // Override what is defined in the form itself
-		theMap.sAttCode = me.sAttCode;
-		var sSearchAreaId = '#SearchResultsToAdd_'+me.id;
-		//$(sSearchAreaId).html('<div style="text-align:center;width:100%;height:24px;vertical-align:middle;"><img src="../images/indicator.gif" /></div>');
-		$(sSearchAreaId).block();
-		me.UpdateButtons();
-
-		// Make sure that we cancel any pending request before issuing another
-		// since responses may arrive in arbitrary order
-		me.StopPendingRequest();
-
-		// Run the query and display the results
-		me.ajax_request = $.post(AddAppContext(GetAbsoluteUrlAppRoot()+'pages/ajax.render.php'), theMap,
-			function(data)
-			{
-				$(sSearchAreaId).html(data);
-				$(sSearchAreaId+' .listResults').tableHover();
-				$('#fr_'+me.id+' input:radio').click(function() { me.UpdateButtons(); });
-				me.UpdateButtons();
-				me.ajax_request = null;
-				$('#count_'+me.id).change(function(){
-					me.UpdateButtons();
-				});
-				me.UpdateSizes();
-			},
-			'html'
-		);
-
-		return false; // Don't submit the form, stay in the current page !
-	};
-
-	/**
-	 * @return {boolean}
-	 */
-	this.DoAddObjects = function () {
-		// Gather the parameters from the search form
-		var theMap = {};
-		var context = $('#SearchResultsToAdd_'+me.id);
-		var selectionMode = $(':input[name="selectionMode"]', context);
-		if (selectionMode.length > 0) {
-			// Paginated table retrieve the mode and the exceptions
-			theMap['selectionMode'] = selectionMode.val();
-			$('#fs_SearchFormToAdd_'+me.id+' :input').each(function () {
-				theMap[this.name] = this.value;
-			});
-
-			$(':input[name="storedSelection[]"]', context).each(function () {
-				if (typeof theMap[this.name] === "undefined") {
-					theMap[this.name] = [];
-				}
-				theMap[this.name].push(this.value);
-				$(this).remove(); // Remove the selection for the next time the dialog re-opens
-			});
-		}
-
-		// Normal table, retrieve all the checked check-boxes
-		$(':checked[name="selectObject[]"]', context).each(
-			function () {
-				if ((this.name !== '') && ((this.type !== 'checkbox') || (this.checked))) {
-					var arrayExpr = /\[\]$/;
-					if (arrayExpr.test(this.name)) {
-						// Array
-						if (typeof theMap[this.name] === "undefined") {
-							theMap[this.name] = [];
-						}
-						theMap[this.name].push(this.value);
-					}
-					else {
-						theMap[this.name] = this.value;
-					}
-				}
-				$(this).parents('tr:first').remove(); // Remove the whole line, so that, next time the dialog gets displayed it's no longer there
-			}
-		);
-		theMap["class"] = me.sTargetClass;
-		theMap['operation'] = 'GetFullListForeignKeysFromSelection';
-		$('#busy_'+me.iInputId).html('&nbsp;<img src="../images/indicator.gif"/>');
-		// Run the query and display the results
-		$.ajax(GetAbsoluteUrlAppRoot()+'pages/ajax.render.php', {
-				"data": theMap,
-				"method": "POST"
-			})
-			.done(function (data) {
-				if (Object.keys(data).length > 0) {
-					me.oSearchWidgetElmt.trigger("itop.search.criteria_enum.add_selected_values", data);
-				}
-			})
-			.fail(function (data) {
-				try {
-					console.error(data);
-				} catch (e) {
-				}
-			})
-		;
-
-		$('#dlg_'+me.id).dialog('close');
-
-		return false;
-	};
-
-
-	// Workaround for a ui.jquery limitation: if the content of
-	// the dialog contains many INPUTs, closing and opening the
-	// dialog is very slow. So empty it each time.
-	this.OnClose = function()
-	{
-		me.StopPendingRequest();
-		// called by the dialog, so in the context 'this' points to the jQueryObject
-		if (me.emptyOnClose)
-		{
-			$('#SearchResultsToAdd_'+me.id).html(me.emptyHtml);
-		}
-		$('#label_'+me.id).removeClass('dlg_loading');
-		$('#label_'+me.id).focus();
-		me.ajax_request = null;
-	};
-
-	this.DoSelectObjectClass = function()
-	{
-		// Retrieving selected value
-		var oSelectedClass = $('#ac_create_'+me.id+' select');
-		if(oSelectedClass.length !== 1) return;
-
-		// Setting new target class
-		me.sTargetClass = oSelectedClass.val();
-
-		// Opening real creation form
-		$('#ac_create_'+me.id).dialog('close');
-		me.CreateObject();
-	};
-
-	this.Update = function()
-	{
-		if ($('#'+me.id).prop('disabled'))
-		{
-			$('#v_'+me.id).html('');
-			$('#label_'+me.id).prop('disabled', 'disabled');
-			$('#label_'+me.id).css({'background': 'transparent'});
-			$('#mini_add_'+me.id).hide();
-			$('#mini_tree_'+me.id).hide();
-			$('#mini_search_'+me.id).hide();
-		}
-		else
-		{
-			$('#label_'+me.id).removeAttr('disabled');
-			$('#label_'+me.id).css({'background': '#fff url(../images/ac-background.gif) no-repeat right'});
-			$('#mini_add_'+me.id).show();
-			$('#mini_tree_'+me.id).show();
-			$('#mini_search_'+me.id).show();
-		}
-	};
+// Copyright (C) 2010-2018 Combodo SARL
+//
+//   This file is part of iTop.
+//
+//   iTop is free software; you can redistribute it and/or modify
+//   it under the terms of the GNU Affero General Public License as published by
+//   the Free Software Foundation, either version 3 of the License, or
+//   (at your option) any later version.
+//
+//   iTop is distributed in the hope that it will be useful,
+//   but WITHOUT ANY WARRANTY; without even the implied warranty of
+//   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//   GNU Affero General Public License for more details.
+//
+//   You should have received a copy of the GNU Affero General Public License
+//   along with iTop. If not, see <http://www.gnu.org/licenses/>
+
+/**
+ *
+ * @param id String the dom identifier of the source input
+ * @param sTargetClass
+ * @param sAttCode
+ * @param oSearchWidgetElmt
+ * @param sFilter
+ * @param sTitle
+ * @constructor
+ */
+function SearchFormForeignKeys(id, sTargetClass, sAttCode, oSearchWidgetElmt, sFilter, sTitle)
+{
+	this.id = id;
+	//this.sOriginalTargetClass = sTargetClass;
+	this.sTargetClass = sTargetClass;
+	this.sFilter = sFilter;
+	this.sTitle = sTitle;
+	this.sAttCode = sAttCode;
+	this.oSearchWidgetElmt = oSearchWidgetElmt;
+	this.emptyHtml = ''; // content to be displayed when the search results are empty (when opening the dialog)
+	this.emptyOnClose = true; // Workaround for the JQuery dialog being very slow when opening and closing if the content contains many INPUT tags
+	this.ajax_request = null;
+	// this.bSelectMode = bSelectMode; // true if the edited field is a SELECT, false if it's an autocomplete
+	// this.bSearchMode = bSearchMode; // true if selecting a value in the context of a search form
+	var me = this;
+
+	this.Init = function()
+	{
+		// make sure that the form is clean
+		$('#linkedset_'+this.id+' .selection').each( function() { this.checked = false; });
+		$('#'+this.id+'_btnRemove').prop('disabled', false);
+
+
+		$('<div id="dlg_'+me.id+'"></div>').appendTo(document.body);
+
+		// me.trace(dialog);
+
+		//TODO : check and remove all unneded code bellow this line!!
+
+		$('#'+this.id+'_linksToRemove').val('');
+
+		$('#linkedset_'+me.id).on('remove', function() {
+			// prevent having the dlg div twice
+			$('#dlg_'+me.id).remove();
+		});
+
+		$('#'+this.iInputId).closest('form').submit(function() {
+			return me.OnFormSubmit();
+		});
+	};
+
+	this.StopPendingRequest = function()
+	{
+		if (me.ajax_request)
+		{
+			me.ajax_request.abort();
+			me.ajax_request = null;
+		}
+	};
+
+	this.ShowModalSearchForeignKeys = function()
+	{
+		// // Query the server to get the form to search for target objects
+		// if (me.bSelectMode)
+		// {
+		// 	$('#fstatus_'+me.id).html('<img src="../images/indicator.gif" />');
+		// }
+		// else
+		// {
+		// 	$('#label_'+me.id).addClass('dlg_loading');
+		// }
+		$('#label_'+me.id).addClass('dlg_loading');
+		var theMap = {
+			sAttCode: me.sAttCode,
+			iInputId: me.id,
+			sTitle: me.sTitle,
+			sTargetClass: me.sTargetClass,
+			// bSearchMode: me.bSearchMode,
+			operation: 'ShowModalSearchForeignKeys'
+		};
+
+
+
+		// Make sure that we cancel any pending request before issuing another
+		// since responses may arrive in arbitrary order
+		me.StopPendingRequest();
+
+		// Run the query and get the result back directly in HTML
+		me.ajax_request = $.post( AddAppContext(GetAbsoluteUrlAppRoot()+'pages/ajax.render.php'), theMap,
+			function(data)
+			{
+				// $('#dlg_'+me.id).html(data);
+				$('#dlg_'+me.id).empty().append($(data)); // $(data).filter(':not(script)'));
+				$('#dlg_'+me.id).dialog('open');
+				me.UpdateSizes();
+				me.UpdateButtons();
+				me.ajax_request = null;
+				me.ListResultsSearchForeignKeys();
+			},
+			'html'
+		);
+	};
+
+	this.UpdateSizes = function()
+	{
+		var dlg = $('#dlg_'+me.id);
+		// Adjust the dialog's size to fit into the screen
+		if (dlg.width() > ($(window).width()-40))
+		{
+			dlg.width($(window).width()-40);
+		}
+		if (dlg.height() > ($(window).height()-70))
+		{
+			dlg.height($(window).height()-70);
+		}
+		var searchForm = dlg.find('div.display_block:first'); // Top search form, enclosing display_block
+		var results = $('#SearchResultsToAdd_'+me.id);
+		var oPadding = {};
+		var aKeys = ['top', 'right', 'bottom', 'left'];
+		for(k in aKeys)
+		{
+			oPadding[aKeys[k]] = 0;
+			if (dlg.css('padding-'+aKeys[k]))
+			{
+				oPadding[aKeys[k]] = parseInt(dlg.css('padding-'+aKeys[k]).replace('px', ''));
+			}
+		}
+		//var width = dlg.innerWidth() - oPadding['right'] - oPadding['left'] - 22; // 5 (margin-left) + 5 (padding-left) + 5 (padding-right) + 5 (margin-right) + 2 for rounding !
+		var height = dlg.innerHeight()-oPadding['top']-oPadding['bottom']-22;
+		var form_height = searchForm.outerHeight();
+		results.height(height - form_height - 40); // Leave some space for the buttons
+	};
+
+	this.UpdateButtons = function()
+	{
+		var okBtn = $('#btn_ok_'+me.id);
+		if ($('#count_'+me.id).val() > 0)
+		{
+			okBtn.removeAttr('disabled');
+		}
+		else
+		{
+			okBtn.prop('disabled', 'disabled');
+		}
+	};
+
+	/**
+	 * @return {boolean}
+	 */
+	this.ListResultsSearchForeignKeys = function ()
+	{
+		var theMap = {
+			sTargetClass: me.sTargetClass,
+			iInputId: me.id,
+			sFilter: me.sFilter
+			// bSearchMode: me.bSearchMode
+		};
+
+		// Gather the parameters from the search form
+		$('#fs_'+me.id+' :input').each( function() {
+			if (this.name !== '')
+			{
+				var val = $(this).val(); // supports multiselect as well
+				if (val !== null)
+				{
+					theMap[this.name] = val;
+				}
+			}
+		});
+
+
+
+		theMap['sRemoteClass'] = theMap['class'];  // swap 'class' (defined in the form) and 'remoteClass'
+		theMap.operation = 'ListResultsSearchForeignKeys'; // Override what is defined in the form itself
+		theMap.sAttCode = me.sAttCode;
+		var sSearchAreaId = '#SearchResultsToAdd_'+me.id;
+		//$(sSearchAreaId).html('<div style="text-align:center;width:100%;height:24px;vertical-align:middle;"><img src="../images/indicator.gif" /></div>');
+		$(sSearchAreaId).block();
+		me.UpdateButtons();
+
+		// Make sure that we cancel any pending request before issuing another
+		// since responses may arrive in arbitrary order
+		me.StopPendingRequest();
+
+		// Run the query and display the results
+		me.ajax_request = $.post(AddAppContext(GetAbsoluteUrlAppRoot()+'pages/ajax.render.php'), theMap,
+			function(data)
+			{
+				$(sSearchAreaId).html(data);
+				$(sSearchAreaId+' .listResults').tableHover();
+				$('#fr_'+me.id+' input:radio').click(function() { me.UpdateButtons(); });
+				me.UpdateButtons();
+				me.ajax_request = null;
+				$('#count_'+me.id).change(function(){
+					me.UpdateButtons();
+				});
+				me.UpdateSizes();
+			},
+			'html'
+		);
+
+		return false; // Don't submit the form, stay in the current page !
+	};
+
+	/**
+	 * @return {boolean}
+	 */
+	this.DoAddObjects = function () {
+		// Gather the parameters from the search form
+		var theMap = {};
+		var context = $('#SearchResultsToAdd_'+me.id);
+		var selectionMode = $(':input[name="selectionMode"]', context);
+		if (selectionMode.length > 0) {
+			// Paginated table retrieve the mode and the exceptions
+			theMap['selectionMode'] = (selectionMode.val() == 'negative') ? 'negative' : 'positive';
+			$('#fs_SearchFormToAdd_'+me.id+' :input').each(function () {
+				theMap[this.name] = this.value;
+			});
+
+			$(':input[name="storedSelection[]"]', context).each(function () {
+				if (typeof theMap[this.name] === "undefined") {
+					theMap[this.name] = [];
+				}
+				theMap[this.name].push(this.value);
+				$(this).remove(); // Remove the selection for the next time the dialog re-opens
+			});
+		}
+
+		// Normal table, retrieve all the checked check-boxes
+		$(':checked[name="selectObject[]"]', context).each(
+			function () {
+				if ((this.name !== '') && ((this.type !== 'checkbox') || (this.checked))) {
+					var arrayExpr = /\[\]$/;
+					if (arrayExpr.test(this.name)) {
+						// Array
+						if (typeof theMap[this.name] === "undefined") {
+							theMap[this.name] = [];
+						}
+						theMap[this.name].push(this.value);
+					}
+					else {
+						theMap[this.name] = this.value;
+					}
+				}
+				$(this).parents('tr:first').remove(); // Remove the whole line, so that, next time the dialog gets displayed it's no longer there
+			}
+		);
+		theMap["class"] = me.sTargetClass;
+		theMap['operation'] = 'GetFullListForeignKeysFromSelection';
+		$('#busy_'+me.iInputId).html('&nbsp;<img src="../images/indicator.gif"/>');
+		// Run the query and display the results
+		$.ajax(GetAbsoluteUrlAppRoot()+'pages/ajax.render.php', {
+				"data": theMap,
+				"method": "POST"
+			})
+			.done(function (data) {
+				if (Object.keys(data).length > 0) {
+					me.oSearchWidgetElmt.trigger("itop.search.criteria_enum.add_selected_values", data);
+				}
+			})
+			.fail(function (data) {
+				try {
+					console.error(data);
+				} catch (e) {
+				}
+			})
+		;
+
+		$('#dlg_'+me.id).dialog('close');
+
+		return false;
+	};
+
+
+	// Workaround for a ui.jquery limitation: if the content of
+	// the dialog contains many INPUTs, closing and opening the
+	// dialog is very slow. So empty it each time.
+	this.OnClose = function()
+	{
+		me.StopPendingRequest();
+		// called by the dialog, so in the context 'this' points to the jQueryObject
+		if (me.emptyOnClose)
+		{
+			$('#SearchResultsToAdd_'+me.id).html(me.emptyHtml);
+		}
+		$('#label_'+me.id).removeClass('dlg_loading');
+		$('#label_'+me.id).focus();
+		me.ajax_request = null;
+	};
+
+	this.DoSelectObjectClass = function()
+	{
+		// Retrieving selected value
+		var oSelectedClass = $('#ac_create_'+me.id+' select');
+		if(oSelectedClass.length !== 1) return;
+
+		// Setting new target class
+		me.sTargetClass = oSelectedClass.val();
+
+		// Opening real creation form
+		$('#ac_create_'+me.id).dialog('close');
+		me.CreateObject();
+	};
+
+	this.Update = function()
+	{
+		if ($('#'+me.id).prop('disabled'))
+		{
+			$('#v_'+me.id).html('');
+			$('#label_'+me.id).prop('disabled', 'disabled');
+			$('#label_'+me.id).css({'background': 'transparent'});
+			$('#mini_add_'+me.id).hide();
+			$('#mini_tree_'+me.id).hide();
+			$('#mini_search_'+me.id).hide();
+		}
+		else
+		{
+			$('#label_'+me.id).removeAttr('disabled');
+			$('#label_'+me.id).css({'background': '#fff url(../images/ac-background.gif) no-repeat right'});
+			$('#mini_add_'+me.id).show();
+			$('#mini_tree_'+me.id).show();
+			$('#mini_search_'+me.id).show();
+		}
+	};
 }
\ No newline at end of file