engelsystem/includes/UserCVS.php

<?php

if( !isset($_SESSION['UID'])) 
	$_SESSION['UID'] = -1;

// CVS import Data
$SQL_CVS = "SELECT * FROM `UserCVS` WHERE UID=".$_SESSION['UID'];
$Erg_CVS =  mysql_query($SQL_CVS, $con);
$_SESSION['CVS'] = mysql_fetch_array($Erg_CVS);


// Group import Data, if nesseary
if( isset( $_SESSION['CVS'][ "GroupID" ]))
{
	$SQL_GRP = "SELECT * FROM `UserCVS` WHERE UID=".$_SESSION['CVS'][ "GroupID" ];
	$Erg_GRP =  mysql_query($SQL_GRP, $con);
	$_SESSION['CVS_Group'] = mysql_fetch_array($Erg_GRP);
	
	foreach( $_SESSION['CVS'] as $k => $v)
	{
		if($v=="G") // Right == Group 
			$_SESSION['CVS'][$k] = $_SESSION['CVS_Group'][$k];
	}
}

//pagename ermitteln
$Page["Name"] = substr( $_SERVER['PHP_SELF'], strlen($ENGEL_ROOT) );

//recht f<>r diese seite auslesen
if( isset( $_SESSION['CVS'][ $Page["Name"] ]))
	$Page["CVS"] = $_SESSION['CVS'][ $Page["Name"] ];
else
{
	echo "SYSTEM ERROR: now right for ". $Page["Name"]. "exist";
	die;
}

if( $DEBUG ) 
{
//	foreach( $_SESSION as $k => $v)
//		echo "$k = $v<br>\n";
	echo "<pre>\$_SESSION:\n";
		print_r($_SESSION);
	echo "</pre>";

	if( strlen($Page["CVS"]) == 0 )
		echo "<h1><u> CVS ERROR, on page '". $Page["Name"]. "'</u></h1>";
	else
		echo "CVS: ". $Page["Name"]. " => '". $Page["CVS"]. "'<br>";
	
}

function funktion_isLinkAllowed( $PageName)
{
        global $_SESSION;

	// separate page parameter
	$ParameterPos = strpos( $PageName, ".php?");
	if( $ParameterPos === FALSE)
	{
		$pName = $PageName;
	}
	else
	{
		$pName = substr( $PageName, 0, $ParameterPos + 4);
	}
	
	// check rights
	if( (isset( $_SESSION['CVS'][ $pName ]) === TRUE) &&
	    ($_SESSION['CVS'][ $pName ] == "Y") )
	{
		return TRUE;
	}

	return FALSE;
}

function funktion_isLinkAllowed_addLink_OrLinkText( $PageName, $LinkText)
{
        global $url, $ENGEL_ROOT;

	if( funktion_isLinkAllowed( $PageName) === TRUE)
	{
		return "<a href=\"". $url. $ENGEL_ROOT. $PageName. "\">". $LinkText. "</a>";
	}
	
	return $LinkText;
}

function funktion_isLinkAllowed_addLink_OrEmpty( $PageName, $LinkText)
{
        global $url, $ENGEL_ROOT;

	if( funktion_isLinkAllowed( $PageName) === TRUE)
	{
		return "<a href=\"". $url. $ENGEL_ROOT. $PageName. "\">". $LinkText. "</a>";
	}

	return "";
}

?>