- installer class for addons

- do not install/update addons during install/update of ISPconfig. This only leads to lots of trouble

addons/empty.dir

+This empty directory is needed by ISPConfig.

install/install.php

@@ -145,46 +145,6 @@ if(is_file('dist/lib/'.$dist['baseid'].'.lib.php')) include_once 'dist/lib/'.$di
 include_once 'dist/lib/'.$dist['id'].'.lib.php';
 include_once 'dist/conf/'.$dist['confid'].'.conf.php';
 
-//** Include addon lib config files
-if(is_dir('dist/lib.d')) {
-	// scheme is: <addon-name>.<distconfid>.conf.php
-	if(($dir = opendir('dist/lib.d'))) {
-		while(false !== ($cur = readdir($dir))) {
-			$curpath = 'dist/lib.d/' . $cur;
-			if(strpos($curpath, '..') !== false
-					|| !is_file($curpath)
-					|| !preg_match('/\.(?:' . preg_quote($dist['id'], '/') . '|' . preg_quote($dist['baseid'], '/') . ')\.lib\.php$/', $cur)) {
-				
-				// invalid entry or entry not for current distribution
-				continue;
-			}
-			// valid file name and either generic or for current distribution
-			include_once $curpath;
-		}
-		closedir($dir);
-	}
-}
-
-//** Include addon dist config files
-if(is_dir('dist/conf.d')) {
-	// scheme is: <addon-name>.<distconfid>.conf.php
-	if(($dir = opendir('dist/conf.d'))) {
-		while(false !== ($cur = readdir($dir))) {
-			$curpath = 'dist/conf.d/' . $cur;
-			if(strpos($curpath, '..') !== false
-					|| !is_file($curpath)
-					|| !preg_match('/\.' . preg_quote($dist['confid'], '/') . '\.conf\.php$/', $cur)) {
-				
-				// invalid entry or entry not for current distribution
-				continue;
-			}
-			// valid file name and either generic or for current distribution
-			include_once $curpath;
-		}
-		closedir($dir);
-	}
-}
-
 //****************************************************************************************************
 //** Installer Interface
 //****************************************************************************************************

install/lib/classes/ispconfig_addon_installer.inc.php

+<?php
+
+/**
+ * Base class for app installer
+ * This is a stripped down class with only the event method. The full class is only used in /server/lib/classes
+ *
+ * @author Marius Burkard
+ */
+class ispconfig_addon_installer_base {
+	
+	protected $addon_ident;
+	
+	public function __construct() {
+		$this->addon_ident = preg_replace('/_addon_installer$/', '', get_called_class());
+	}
+	
+	public function onRaisedInstallerEvent($event_name, $data) {
+		
+	}
+}

install/lib/installer_base.lib.php

@@ -28,6 +28,8 @@ NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
 EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
+require_once realpath(dirname(__FILE__)) . '/classes/ispconfig_addon_installer.inc.php';
+
 class installer_base {
 
 	var $wb = array();
@@ -397,8 +399,6 @@ class installer_base {
 			$this->db->query($sql, $conf['hostname'], $mail_server_enabled, $web_server_enabled, $dns_server_enabled, $file_server_enabled, $db_server_enabled, $server_ini_content, $current_db_version, $proxy_server_enabled, $firewall_server_enabled);
 			$conf['server_id'] = $this->db->insertID();
 		}
-
-
 	}
 
 	public function detect_ips(){
@@ -2183,7 +2183,7 @@ class installer_base {
 		// TODO: Implement a selector which modules and plugins shall be enabled.
 		$dir = $install_dir.'/server/mods-available/';
 		if (is_dir($dir)) {
-			if ($dh = opendir($dir)) {
+			if (($dh = opendir($dir))) {
 				while (($file = readdir($dh)) !== false) {
 					if($file != '.' && $file != '..' && substr($file, -8, 8) == '.inc.php') {
 						include_once $install_dir.'/server/mods-available/'.$file;
@@ -2210,7 +2210,7 @@ class installer_base {
 
 		$dir = $install_dir.'/server/plugins-available/';
 		if (is_dir($dir)) {
-			if ($dh = opendir($dir)) {
+			if (($dh = opendir($dir))) {
 				while (($file = readdir($dh)) !== false) {
 					if($conf['apache']['installed'] == true && $file == 'nginx_plugin.inc.php') continue;
 					if($conf['nginx']['installed'] == true && $file == 'apache2_plugin.inc.php') continue;
@@ -2828,7 +2828,7 @@ class installer_base {
 	}
 	
 	private function loadAddonClasses($path) {
-		$libpath = $conf['ispconfig_install_dir'] . '/addons';
+		$libpath = $path;
 		if(($dir = opendir($libpath))) {
 			while(false !== ($cur = readdir($dir))) {
 				if($cur === '.' || $cur === '..' || strpos($cur, '..') !== false || !is_dir($libpath . '/' . $cur)) {
@@ -2867,15 +2867,12 @@ class installer_base {
 		if(is_null($this->addon_classes)) {
 			// load addon libs
 			$this->addon_classes = array();
-			$addonpath = $conf['ispconfig_install_dir'] . '/addons';
-			$this->loadAddonClasses($addonpath);
 			
-			// check for addon libs in install dir
-			$addonpath = realpath(dirname(__FILE__) . '/..') . '/addons';
+			$addonpath = $conf['ispconfig_install_dir'] . '/addons';
 			$this->loadAddonClasses($addonpath);
 		}
 		
-		$call_method = 'onRaisedEvent';
+		$call_method = 'onRaisedInstallerEvent';
 		reset($this->addon_classes);
 		foreach($this->addon_classes as $cl) {
 			if(method_exists($cl, $call_method)) {

install/sql/incremental/upd_dev_collection.sql

@@ -142,3 +142,12 @@ UPDATE `spamfilter_policy` SET `rspamd_spam_kill_level` = '8.00' WHERE id = 6;
 UPDATE `spamfilter_policy` SET `rspamd_spam_kill_level` = '20.00' WHERE id = 7;
 -- end of rspamd
 
+CREATE TABLE IF NOT EXISTS `addons` (
+  `addon_id` int(11) NOT NULL AUTO_INCREMENT,
+  `addon_ident` VARCHAR(100) NOT NULL DEFAULT '',
+  `addon_version` VARCHAR(20) NOT NULL DEFAULT '',
+  `addon_name` VARCHAR(255) NOT NULL DEFAULT '',
+  `db_version` INT(6) NOT NULL DEFAULT '0',
+  PRIMARY KEY (`addon_id`),
+  UNIQUE KEY `ident` (`addon_ident`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8 ;

install/sql/ispconfig3.sql

@@ -53,6 +53,22 @@ SET FOREIGN_KEY_CHECKS = 0;
 -- --------------------------------------------------------
 -- --------------------------------------------------------
 
+--
+-- Table structure for table `addons`
+--
+
+CREATE TABLE IF NOT EXISTS `addons` (
+  `addon_id` int(11) NOT NULL AUTO_INCREMENT,
+  `addon_ident` VARCHAR(100) NOT NULL DEFAULT '',
+  `addon_version` VARCHAR(20) NOT NULL DEFAULT '',
+  `addon_name` VARCHAR(255) NOT NULL DEFAULT '',
+  `db_version` INT(6) NOT NULL DEFAULT '0',
+  PRIMARY KEY (`addon_id`),
+  UNIQUE KEY `ident` (`addon_ident`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8 ;
+
+-- --------------------------------------------------------
+
 --
 -- Table structure for table `aps_instances`
 --

install/update.php

@@ -148,45 +148,11 @@ if(is_file('dist/lib/'.$dist['baseid'].'.lib.php')) include_once 'dist/lib/'.$di
 include_once 'dist/lib/'.$dist['id'].'.lib.php';
 include_once 'dist/conf/'.$dist['confid'].'.conf.php';
 
-//** Include addon lib config files
-if(is_dir('dist/lib.d')) {
-	// scheme is: <addon-name>.<distconfid>.conf.php
-	if(($dir = opendir('dist/lib.d'))) {
-		while(false !== ($cur = readdir($dir))) {
-			$curpath = 'dist/lib.d/' . $cur;
-			if(strpos($curpath, '..') !== false
-					|| !is_file($curpath)
-					|| !preg_match('/\.(?:' . preg_quote($dist['id'], '/') . '|' . preg_quote($dist['baseid'], '/') . ')\.lib\.php$/', $cur)) {
-				
-				// invalid entry or entry not for current distribution
-				continue;
-			}
-			// valid file name and either generic or for current distribution
-			include_once $curpath;
-		}
-		closedir($dir);
-	}
-}
+$inst = new installer();
+if (!$inst->get_php_version()) die('ISPConfig requieres PHP '.$inst->min_php."\n");
+$inst->is_update = true;
 
-//** Include addon dist config files
-if(is_dir('dist/conf.d')) {
-	// scheme is: <addon-name>.<distconfid>.conf.php
-	if(($dir = opendir('dist/conf.d'))) {
-		while(false !== ($cur = readdir($dir))) {
-			$curpath = 'dist/conf.d/' . $cur;
-			if(strpos($curpath, '..') !== false
-					|| !is_file($curpath)
-					|| !preg_match('/\.' . preg_quote($dist['confid'], '/') . '\.conf\.php$/', $cur)) {
-				
-				// invalid entry or entry not for current distribution
-				continue;
-			}
-			// valid file name and either generic or for current distribution
-			include_once $curpath;
-		}
-		closedir($dir);
-	}
-}
+$inst->raiseEvent('set_dist_config', $dist);
 
 //** tRNG dependencies
 $conf['tRNG']='';
@@ -228,10 +194,6 @@ if(!$conf['mysql']['ip'] = gethostbyname($conf['mysql']['host'])) die('Unable to
 $conf['server_id'] = intval($conf_old["server_id"]);
 $conf['ispconfig_log_priority'] = $conf_old["log_priority"];
 
-$inst = new installer();
-if (!$inst->get_php_version()) die('ISPConfig requieres PHP '.$inst->min_php."\n");
-$inst->is_update = true;
-
 echo "This application will update ISPConfig 3 on your server.\n\n";
 
 //* Make a backup before we start the update

interface/web/tools/resync.php

@@ -599,6 +599,19 @@ class page_action extends tform_actions {
 			}
 			$msg .= '<br>';
 		}
+		
+		$entries = $app->plugin->raiseEvent('tools:resync:get_resync_entries', $this->dataRecord, true);
+		if(is_array($entries) && !empty($entries)) {
+			foreach($entries as $entry) {
+				if(!isset($entry['db_table']) || !isset($entry['db_table']) || !isset($entry['db_table']) || !isset($entry['db_table']) || !isset($entry['db_table']) || !isset($entry['db_table'])) {
+					continue;
+				}
+				if(!isset($entry['active'])) {
+					$entry['active'] = true;
+				}
+				$msg .= $this->do_resync($entry['db_table'], $entry['index_field'], $entry['server_type'], $entry['server_id'], $entry['msg_field'], $entry['wordbook'], $entry['active']);
+			}
+		}
 
 		echo $msg;
     } //* end onSumbmit

interface/web/tools/templates/resync.htm

@@ -122,6 +122,8 @@
 		<div class="col-sm-3"><select name="firewall_server_id" id="firewall_server_id" class="form-control">{tmpl_var name='firewall_server_id'}</select></div>
 	</div>
 </tmpl_if>
+
+{tmpl_hook name="end_form"}
 	
 <div class="form-group">
 	<label for="resync_client" class="col-sm-2 control-label control-label-plain">{tmpl_var name="resync_client_txt"}</label> 

server/lib/classes/addon_installer.inc.php

+<?php
+
+/**
+ * addon installer
+ *
+ * @author Marius Burkard
+ */
+class addon_installer {
+	
+	private function extractPackage($package_file) {
+		global $app;
+		
+		$ret = null;
+		$retval = 0;
+		
+		$cmd = 'which unzip';
+		$tmp = explode("\n", exec($cmd, $ret, $retval));
+		if($retval != 0) {
+			throw new AddonInstallerException('unzip tool not found.');
+		}
+		$unzip = reset($tmp);
+		unset($tmp);
+		if(!$unzip) {
+			throw new AddonInstallerException('unzip tool not found.');
+		}
+		
+		$temp_dir = $app->system->tempdir(sys_get_temp_dir(), 'addon_', 0700);
+		if(!$temp_dir) {
+			throw new AddonInstallerException('Could not create temp dir.');
+		}
+		
+		$ret = null;
+		$retval = 0;
+		$cmd = $unzip . ' -d ' . escapeshellarg($temp_dir) . ' ' . escapeshellarg($package_file);
+		exec($cmd, $ret, $retval);
+		if($retval != 0) {
+			throw new AddonInstallerException('Package extraction failed.');
+		}
+		
+		return $temp_dir;
+	}
+
+	/**
+	 * @param string $path
+	 * @return string
+	 * @throws AddonInstallerValidationException
+	 */
+	private function validatePackage($path) {
+		if(!is_dir($path)) {
+			throw new AddonInstallerValidationException('Invalid path.');
+		}
+		
+		$ini_file = $path . '/addon.ini';
+		if(!is_file($ini_file)) {
+			throw new AddonInstallerValidationException('Addon ini file missing.');
+		}
+		
+		$ini = parse_ini_file($ini_file, true);
+		if(!$ini || !isset($ini['addon'])) {
+			throw new AddonInstallerValidationException('Ini file is missing addon section.');
+		}
+		
+		$addon = $ini['addon'];
+		if(!isset($addon['ident']) || !isset($addon['name']) || !isset($addon['version'])) {
+			throw new AddonInstallerValidationException('Ini file is missing addon ident/name/version.');
+		}
+		
+		$class_file = $path . '/' . $addon['ident'] . '.addon.php';
+		if(!is_file($class_file)) {
+			throw new AddonInstallerValidationException('Package is missing main addon class.');
+		}
+		
+		if(isset($ini['ispconfig']['version.min']) && $ini['ispconfig']['version.min'] && version_compare($ini['ispconfig']['version.min'], ISPC_APP_VERSION, '>')) {
+			throw new AddonInstallerValidationException('Addon requires at least ISPConfig version ' . $ini['ispconfig']['version.min'] . '.');
+		} elseif(isset($ini['ispconfig']['version.max']) && $ini['ispconfig']['version.max'] && version_compare($ini['ispconfig']['version.min'], ISPC_APP_VERSION, '<')) {
+			throw new AddonInstallerValidationException('Addon allows at max ISPConfig version ' . $ini['ispconfig']['version.max'] . '.');
+		}
+		
+		$addon['class_file'] = $class_file;
+		$addon['class_name'] = substr(basename($class_file), 0, -10) . '_addon_installer';
+		
+		return $addon;
+	}
+	
+	private function getInstalledAddonVersion($ident) {
+		global $app, $conf;
+		
+		$file_version = false;
+		$db_version = false;
+		
+		$addon_path = realpath($conf['rootpath'] . '/..') . '/addons';
+		// check for previous version
+		if(is_dir($addon_path . '/' . $ident) && is_file($addon_path . '/' . $ident . '/addon.ini')) {
+			$addon = parse_ini_file($addon_path . '/' . $ident . '/addon.ini', true);
+			if(!$addon || !isset($addon['version']) || !isset($addon['ident']) || $addon['ident'] != $ident) {
+				throw new AddonInstallerException('Installed app found but it is invalid.');
+			}
+			
+			$file_version = $addon['version'];
+		}
+		
+		$check = $app->db->queryOneRecord('SELECT `addon_version` FROM `addons` WHERE `addon_ident` = ?', $ident);
+		if($check && $check['addon_version']) {
+			$db_version = $check['addon_version'];
+		}
+		
+		if(!$file_version && !$db_version) {
+			return false;
+		} elseif($file_version != $db_version) {
+			throw new AddonInstallerException('Addon version mismatch in database (' . $db_version . ') and file system (' . $file_version . ').');
+		}
+		
+		return $file_version;
+
+	}
+	
+	/**
+	 * @param string $package_file Full path
+	 * @param boolean $force true if previous addon with same or higher version should be overwritten
+	 * @throws AddonInstallerException
+	 * @throws AddonInstallerValidationException
+	 */
+	public function installAddon($package_file, $force = false) {
+		if(!is_file($package_file)) {
+			throw new AddonInstallerException('Package file not found.');
+		} elseif(substr($package_file, -4) !== '.pkg') {
+			throw new AddonInstallerException('Invalid package file.');
+		}
+		
+		$tmp_dir = $this->extractPackage($package_file);
+		if(!$tmp_dir) {
+			// extracting failed
+			throw new AddonInstallerException('Package extraction failed.');
+		}
+		
+		$addon = $this->validatePackage($tmp_dir);
+		if(!$addon) {
+			throw new AddonInstallerException('Package validation failed.');
+		}
+		
+		$is_update = false;
+		$previous = $this->getInstalledAddonVersion($addon['ident']);
+		if($previous !== false) {
+			// this is an update
+			if(version_compare($previous, $addon['version'], '>') && $force !== true) {
+				throw new AddonInstallerException('Installed version is newer than the one to install.');
+			} elseif(version_compare($previous, $addon['version'], '=') && $force !== true) {
+				throw new AddonInstallerException('Installed version is the same as the one to install.');
+			}
+			$is_update = true;
+		}
+		include $addon['class_file'];
+		if(!class_exists($addon['class_name'])) {
+			throw new AddonInstallerException('Could not find main class in addon file.');
+		}
+		
+		$class_name = $addon['class_name'];
+		/* @var $inst ispconfig_addon_installer_base */
+		$inst = new $class_name();
+		$inst->setAddonName($addon['name']);
+		$inst->setAddonIdent($addon['ident']);
+		$inst->setAddonVersion($addon['version']);
+		$inst->setAddonTempDir($tmp_dir);
+		
+		if($is_update === true) {
+			$inst->onBeforeUpdate();
+			$inst->onUpdate();
+			$inst->onAfterUpdate();
+		} else {
+			$inst->onBeforeInstall();
+			$inst->onInstall();
+			$inst->onAfterInstall();
+		}
+		
+		return true;
+	}
+	
+}

server/lib/classes/functions.inc.php

@@ -297,6 +297,12 @@ class functions {
 				}
 			}
 		}
+		
+		$tmp_ips = $app->plugins->raiseAction('get_server_ips', 0, true);
+		if(is_array($tmp_ips) && !empty($tmp_ips)) {
+			$ips = array_merge($ips, $tmp_ips);
+		}
+		
 		$ips = array_unique($ips);
 		sort($ips, SORT_NUMERIC);
 

server/lib/classes/ispconfig_addon_installer_base.inc.php

+<?php
+
+/**
+ * Base class for app installer
+ *
+ * @author Marius Burkard
+ */
+class ispconfig_addon_installer_base {
+	
+	protected $addon_name;
+	protected $addon_ident;
+	protected $addon_version;
+	
+	protected $temp_dir;
+	
+	public function __construct() {
+		$this->addon_ident = preg_replace('/_addon_installer$/', '', get_called_class());
+	}
+	
+	public function setAddonName($name) {
+		$this->addon_name = $name;
+	}
+	
+	public function setAddonIdent($ident) {
+		$this->addon_ident = $ident;
+	}
+	
+	public function setAddonVersion($version) {
+		$this->addon_version = $version;
+	}
+	
+	public function setAddonTempDir($path) {
+		$this->temp_dir = $path;
+	}
+	
+	protected function copyInterfaceFiles() {
+		global $conf;
+		
+		$install_dir = realpath($conf['rootpath'] . '/..');
+		
+		if(is_dir($this->temp_dir . '/interface')) {
+			$ret = null;
+			$retval = 0;
+			$command = 'cp -rf ' . escapeshellarg($this->temp_dir . '/interface') . ' ' . escapeshellarg($install_dir . '/');
+			exec($command, $ret, $retval);
+			if($retval != 0) {
+				throw new AddonInstallerException('Command ' . $command . ' failed with code ' . $retval);
+			}
+			
+			return true;
+		} else {
+			return false;
+		}
+	}
+	
+	protected function copyServerFiles() {
+		global $conf;
+		
+		$install_dir = realpath($conf['rootpath'] . '/..');
+		
+		if(is_dir($this->temp_dir . '/server')) {
+			$ret = null;
+			$retval = 0;
+			$command = 'cp -rf ' . escapeshellarg($this->temp_dir . '/server'). ' ' . escapeshellarg($install_dir . '/');
+			exec($command, $ret, $retval);
+			if($retval != 0) {
+				throw new AddonInstallerException('Command ' . $command . ' failed with code ' . $retval);
+			}
+			return true;
+		} else {
+			return false;
+		}		
+	}
+	
+	protected function executeSqlStatements() {
+		global $app, $conf;
+		
+		// create addon entry if not existing
+		$qry = 'INSERT IGNORE INTO `addons` (`addon_ident`, `addon_version`, `addon_name`, `db_version`) VALUES (?, ?, ?, ?)';
+		$app->db->query($qry, $this->addon_ident, $this->addon_version, $this->addon_name, 0);
+		
+		$incremental = false;
+		$check = $app->db->queryOneRecord('SELECT `db_version` FROM `addons` WHERE `addon_ident` = ?', $this->addon_ident);
+		if($check) {
+			$incremental = 0;
+			if($check['db_version']) {
+				$incremental = $check['db_version'];
+			}
+		}
+		
+		
+		$mysql_command = 'mysql --default-character-set=' . escapeshellarg($conf['db_charset']) . ' --force -h ' . escapeshellarg($conf['db_host']) . ' -u ' . escapeshellarg($conf['db_user']) . ' -p' . escapeshellarg($conf['db_password']) . ' -P ' . escapeshellarg($conf['db_port']) . ' -D ' . escapeshellarg($conf['db_database']);
+		
+		if($incremental === false) {
+			$sql_file = $this->temp_dir . '/install/sql/' . $this->addon_ident . '.sql';
+			if(is_file($sql_file)) {
+				$ret = null;
+				$retval = 0;
+				exec($mysql_command . ' < ' . escapeshellarg($sql_file), $ret, $retval);
+				if($retval != 0) {
+					/* TODO: log error! */
+				}
+			}
+		} else {
+			$new_db_version = $incremental;
+			while(true) {
+				$sql_file = $this->temp_dir . '/install/sql/incremental/upd_' . str_pad($new_db_version + 1, '0', 5, STR_PAD_LEFT) . '.sql';
+				if(!is_file($sql_file)) {
+					break;
+				} else {
+					$ret = null;
+					$retval = 0;
+					exec($mysql_command . ' < ' . escapeshellarg($sql_file), $ret, $retval);
+					if($retval != 0) {
+						/* TODO: log error! */
+					}
+				}
+				
+				$new_db_version++;
+			}
+			
+			$app->db->query('UPDATE `addons` SET `addon_version` = ?, `db_version` = ? WHERE `addon_ident` = ?', $this->addon_version, $new_db_version, $this->addon_ident);
+		}
+		
+		return true;
+	}
+	
+	public function onBeforeInstall() { }
+	
+	public function onInstall() {
+		$this->copyInterfaceFiles();
+		$this->copyServerFiles();
+		$this->executeSqlStatements();
+	}
+	
+	public function onAfterInstall() { }
+	
+	public function onBeforeUpdate() { }
+	
+	public function onUpdate() {
+		$this->copyInterfaceFiles();
+		$this->copyServerFiles();
+		$this->executeSqlStatements();
+	}
+	
+	public function onAfterUpdate() { }
+	
+	
+	
+	public function onRaisedInstallerEvent($event_name) {
+		
+	}
+}
+
+class AddonInstallerException extends Exception {
+	public function __construct($message = "", $code = 0, $previous = null) {
+		parent::__construct($message, $code, $previous);
+	}
+}
+
+class AddonInstallerValidationException extends AddonInstallerException { }
\ No newline at end of file

server/lib/classes/system.inc.php

@@ -2044,7 +2044,32 @@ class system{
 		
 		return true;
 	}
+
+	public function tempdir($parent_path = null, $prefix = 'tmp_', $mode = 0700) {
+		if(is_null($parent_path)) {
+			$parent_path = sys_get_temp_dir();
+		}
+
+		$parent_path = rtrim($parent_path, '/');
+		if(!is_dir($parent_path) || !is_writable($parent_path)) {
+			return false;
+		}
+
+		if(strpbrk($prefix, '\\/:*?"<>|') !== false) {
+			return false;
+		}
+
+		$path = false;
+		$tries = 0;
+		while($tries < 1000) {
+			$tries++;
+			$path = $parent_path . FS_DIV . uniqid($prefix, true);
+			if(mkdir($path, $mode)) {
+				break;
+			}
+		}
+
+		return $path;
+	}
 	
 }
-
-?>