<?php
/*	**********************************************************************************
	*                                                                                *
	* Name   : index.php                       By: R. Willis                         *
	* Version: 2.00.00                    Origial:                                   *
	* Purpose: Default landing page                                                  *
	* Revisions:                                                                     *
	*         2.02.00 (2015.02.15) PRODUCTION RELEASE  by R. Willis                  *
	*             Split index.php into two files to allow for updatiing              *
	*             routines to be given priority. Added automatic updates             *
	*             Added autorun of "update.php" file if found in the root            *
	*             directory. Catch clause to protect server and to                   *
	*             re-enumerate filesystem.                                           *
	*         2.01.00 (2014.02.10) PRODUCTION RELEASE  by R. Willis                  *
	*             Removed FSP, Dollarama abd Protectron tabs (these are now          *
	*             integrated into the search tab)                                    *
	*                                                                                *
	**********************************************************************************/

	include_once 'session.php';

	if ($_SESSION['instance']['prefix'] != "000")
	{
		if (array_key_exists("disablesync", $_REQUEST))
		{
			unlink('modules/sql.default.php');
			copy('modules/sql.noLink.php','modules/sql.default.php');
		}

		if (array_key_exists("enablesync", $_REQUEST))
		{
			unlink('modules/sql.default.php');
			copy('modules/sql.Link.php','modules/sql.default.php');
		}
	}

	if (!empty($_SESSION['request']))
	{
		$_REQUEST = $_SESSION['request'];
		unset($_SESSION['request']);
	}


	if (!array_key_exists("instance", $_SESSION) or array_key_exists("resetNetwork", $_REQUEST))
	{	include_once 'modules/config.php';
	}

	if (!empty($_REQUEST['remoteServer']))
		$_SESSION['instance']['sdbIfce'] = $_REQUEST['remoteServer'];
	if (!empty($_REQUEST['remoteDatabase']))
		$_SESSION['instance']['sdbName'] = $_REQUEST['remoteDatabase'];

	require_once 'modules/comFunctions.php';
	require_once 'modules/sql.php';

	if ($LinkStatus and $rLink)
		$_SESSION['linkStatus'] = true;
	else
		$_SESSION['linkStatus'] = false;

	if ($_SESSION['instance']['prefix'] == "000") // this is for the server only
	{
		if ($_SESSION['user']['empNo'] == 3) // only if I'm the one logged in
		{
			$lastPageMod = getSystemLastPageMod();
			$today = date("YmdHis"); // since this is a once a day check, the time isn't needed
			if ($today != $lastPageMod)
			{
				// set delete flag on all modules; this will be unset as the files are located
				sqlEx("update modules set status = 'D'");

				$doNotIndex = array(
						".",
						"..",
						"config.php",
						"header.html",
//						"index.php",
						"Repository",
						"sql.Link.php",
						"sql.noLink.php",
						"sql.default.php",
//						"sql.php",
						"sync.ffs_db",
				);

				function readNext()
				{	GLOBAL $doNotIndex, $fileList, $last, $next;

					$h = opendir("./" . $fileList[$last]);
					while (false !== ($nextFileName = readdir($h)))
					{
						if (!in_array($nextFileName, $doNotIndex))
						{
							$fname = $fileList[$last] . $nextFileName;
							$fileList[$next++] = $fname;
						}
					}
					closedir($h);
				}

				$fileList[] = "";
				$last = 0;
				$next = 1;

				readNext();

				while (++$last != $next)
				{
					if (is_dir($fileList[$last]))
					{
						$fileList[$last] .= "/";
						readNext();
					}
				}

				$next = 1;
				if (true)
				{
					foreach ($fileList as $curFileName)
					{
						if ($curFileName)
						{
							$fullFileName = "./" . $curFileName;
							if (!is_dir($fullFileName))
							{
								$ftime = filemtime($fullFileName);
								$r = sqlSelect("modules", "module = '$curFileName'");
								if ($r['n'])
								{
									$r = mysql_fetch_assoc($r['r']);
									$tid = $r['tid'];
									if ($r['filetime'] != $ftime)
									{
										sqlUpdate("modules", "filetime = '$ftime', status = ''", "tid = '$tid'");
										logEntry( "system", "000: Store $curFileName vers $ftime", $eType = "u", $empNo = "-" );
										//echo "<!-- Update $tid -> $fullFileName ($ftime) -->\n";
										$destFileName = "./Repository/$tid";
										copy($fullFileName, $destFileName);
										chmod($destFileName, 0777);
									}
									else
									{
										sqlEx("update `modules` set status = '' where tid = '$tid'");
									}
								}
								else
								{
									$r = sqlInsert("modules", "module = '$curFileName', filetime = '$ftime', status = ''");
									logEntry( "system", "000: Store $curFileName vers $ftime", $eType = "u", $empNo = "-" );
									//echo "<!-- Insert " . $r['t'] . " -> $curFileName ($ftime) -->\n";
									$destFileName = "./Repository/" . $r['t'];
									copy($fullFileName, $destFileName);
									chmod($destFileName, 0777);
								}
							}
						}
					}
				}
			}
			$q = "update system set lastPageMod = '$today'";
			sqlEx($q);
		}
	}
	else // this is for remotes only
	{
		// if the remote hasn't checked in (sync'ed) in the last two week, it's authorization
		// is considered to be revoked. Halt the system.
		$_SESSION['current']['period'] = calcDates();
		$lastFortnight = date("Ymd",mktime(12, 0, 0, date("m"), date("d") - 14, date("Y")));
		$lastmod = getSystemLastMod();
		if ($lastFortnight > $lastmod)
		{
			if (array_key_exists("reauthorize", $_REQUEST))
			{
				logEntry( "system", $_SESSION['instance']['prefix'] . ": Authorization Over Ride", $eType = "u" );
			}
			else
			{
				// this unit has been offline more than two week; disable it.
				logEntry( "system", $_SESSION['instance']['prefix'] . ": Authorization Expired", $eType = "u", $empNo = "-" );
				include_once 'header.html';
				echo "<body>\n";
				echo "	<h1>Authorization Expired</h1>\n";
				echo "	<b>Offline too long</b>\n";
				echo "	</body>\n";
				echo "</html>\n";
				exit(0);
			}
		}

		if(array_key_exists("update", $_REQUEST))
		{
			require_once 'doUpdate.php';
		}
	}


	require_once 'index2.php';