<?php
/**
 * sites_web_vhost_domain_plugin plugin
 *
 * @author Julio Montoya <gugli100@gmail.com> BeezNest 2010
 */


class sites_web_vhost_domain_plugin {

	var $plugin_name        = 'sites_web_vhost_domain_plugin';
	var $class_name         = 'sites_web_vhost_domain_plugin';

	// TODO: This function is a duplicate from the one in interface/web/sites/web_domain_edit.php
	//       There should be a single "token replacement" function to be called from modules and
	//  from the main code.
	// Returna a "3/2/1" path hash from a numeric id '123'
	function id_hash($id, $levels) {
		$hash = "" . $id % 10 ;
		$id /= 10 ;
		$levels -- ;
		while ( $levels > 0 ) {
			$hash .= "/" . $id % 10 ;
			$id /= 10 ;
			$levels-- ;
		}
		return $hash;
	}

	/*
            This function is called when the plugin is loaded
    */
	function onLoad() {
		global $app;
		//Register for the events
		$app->plugin->registerEvent('sites:web_vhost_domain:on_after_insert', 'sites_web_vhost_domain_plugin', 'sites_web_vhost_domain_edit');
		$app->plugin->registerEvent('sites:web_vhost_domain:on_after_update', 'sites_web_vhost_domain_plugin', 'sites_web_vhost_domain_edit');
	}

	/*
		Function to create the sites_web_domain rule and insert it into the custom rules
    */
	function sites_web_vhost_domain_edit($event_name, $page_form) {
		global $app, $conf;

		$vhostdomain_type = 'domain';
		if($page_form->dataRecord['type'] == 'vhostalias') $vhostdomain_type = 'aliasdomain';
		elseif($page_form->dataRecord['type'] == 'vhostsubdomain') $vhostdomain_type = 'subdomain';
		
		// make sure that the record belongs to the clinet group and not the admin group when a dmin inserts it
		// also make sure that the user can not delete domain created by a admin
		if($_SESSION["s"]["user"]["typ"] == 'admin' && isset($page_form->dataRecord["client_group_id"])) {
			$client_group_id = $app->functions->intval($page_form->dataRecord["client_group_id"]);
			$app->db->query("UPDATE web_domain SET sys_groupid = $client_group_id, sys_perm_group = 'ru' WHERE domain_id = ".$page_form->id);
		}
		if($app->auth->has_clients($_SESSION['s']['user']['userid']) && isset($page_form->dataRecord["client_group_id"])) {
			$client_group_id = $app->functions->intval($page_form->dataRecord["client_group_id"]);
			$app->db->query("UPDATE web_domain SET sys_groupid = $client_group_id, sys_perm_group = 'riud' WHERE domain_id = ".$page_form->id);
		}
		// Get configuration for the web system
		$app->uses("getconf");
		$web_config = $app->getconf->get_server_config($app->functions->intval($page_form->dataRecord['server_id']), 'web');
		if(isset($app->tform) && is_object($app->tform)) $web_rec = $app->tform->getDataRecord($page_form->id);
		else $web_rec = $app->remoting_lib->getDataRecord($page_form->id);
		
		if($vhostdomain_type == 'domain') {
			$document_root = str_replace("[website_id]", $page_form->id, $web_config["website_path"]);
			$document_root = str_replace("[website_idhash_1]", $this->id_hash($page_form->id, 1), $document_root);
			$document_root = str_replace("[website_idhash_2]", $this->id_hash($page_form->id, 1), $document_root);
			$document_root = str_replace("[website_idhash_3]", $this->id_hash($page_form->id, 1), $document_root);
			$document_root = str_replace("[website_idhash_4]", $this->id_hash($page_form->id, 1), $document_root);

			// get the ID of the client
			if($_SESSION["s"]["user"]["typ"] != 'admin' && !$app->auth->has_clients($_SESSION['s']['user']['userid'])) {
				$client_group_id = $app->functions->intval($_SESSION["s"]["user"]["default_group"]);
				$client = $app->db->queryOneRecord("SELECT client_id FROM sys_group WHERE sys_group.groupid = $client_group_id");
				$client_id = $app->functions->intval($client["client_id"]);
			} elseif (isset($page_form->dataRecord["client_group_id"])) {
				$client_group_id = $page_form->dataRecord["client_group_id"];
				$client = $app->db->queryOneRecord("SELECT client_id FROM sys_group WHERE sys_group.groupid = ".$app->functions->intval(@$page_form->dataRecord["client_group_id"]));
				$client_id = $app->functions->intval($client["client_id"]);
			} else {
				$client_group_id = $page_form->dataRecord["client_group_id"];
				$client = $app->db->queryOneRecord("SELECT client_id FROM sys_group WHERE sys_group.groupid = ".$app->functions->intval($page_form->dataRecord["client_group_id"]));
				$client_id = $app->functions->intval($client["client_id"]);
			}

			$tmp = $app->db->queryOneRecord("SELECT userid FROM sys_user WHERE default_group = $client_group_id");
			$client_user_id = $app->functions->intval(($tmp['userid'] > 0)?$tmp['userid']:1);

			// Set the values for document_root, system_user and system_group
			$system_user     = $app->db->quote('web'.$page_form->id);
			$system_group     = $app->db->quote('client'.$client_id);

			$document_root     = str_replace("[client_id]", $client_id, $document_root);
			$document_root    = str_replace("[client_idhash_1]", $this->id_hash($client_id, 1), $document_root);
			$document_root    = str_replace("[client_idhash_2]", $this->id_hash($client_id, 2), $document_root);
			$document_root    = str_replace("[client_idhash_3]", $this->id_hash($client_id, 3), $document_root);
			$document_root    = str_replace("[client_idhash_4]", $this->id_hash($client_id, 4), $document_root);
			$document_root     = $app->db->quote($document_root);
			
			if($event_name == 'sites:web_vhost_domain:on_after_update') {
				if(($_SESSION["s"]["user"]["typ"] == 'admin' || $app->auth->has_clients($_SESSION['s']['user']['userid'])) &&  isset($page_form->dataRecord["client_group_id"]) && $page_form->dataRecord["client_group_id"] != $page_form->oldDataRecord["sys_groupid"]) {

					$sql = "UPDATE web_domain SET system_user = '$system_user', system_group = '$system_group', document_root = '$document_root' WHERE domain_id = ".$page_form->id;
					$app->db->query($sql);

					// Update the FTP user(s) too
					$records = $app->db->queryAllRecords("SELECT ftp_user_id FROM ftp_user WHERE parent_domain_id = ".$page_form->id);
					foreach($records as $rec) {
						$app->db->datalogUpdate('ftp_user', "sys_userid = '".$app->functions->intval($web_rec['sys_userid'])."', sys_groupid = '".$app->functions->intval($web_rec['sys_groupid'])."', uid = '$system_user', gid = '$system_group', dir = '$document_root'", 'ftp_user_id', $app->functions->intval($rec['ftp_user_id']));
					}
					unset($records);
					unset($rec);

					// Update the Shell user(s) too
					$records = $app->db->queryAllRecords("SELECT shell_user_id FROM shell_user WHERE parent_domain_id = ".$page_form->id);
					foreach($records as $rec) {
						$app->db->datalogUpdate('shell_user', "sys_userid = '".$web_rec['sys_userid']."', sys_groupid = '".$web_rec['sys_groupid']."', puser = '$system_user', pgroup = '$system_group', dir = '$document_root'", 'shell_user_id', $app->functions->intval($rec['shell_user_id']));
					}
					unset($records);
					unset($rec);

					//* Update all subdomains and alias domains
					$records = $app->db->queryAllRecords("SELECT domain_id, `domain`, `type`, `web_folder` FROM web_domain WHERE parent_domain_id = ".$page_form->id);
					foreach($records as $rec) {
						$update_columns = "sys_userid = '".$web_rec['sys_userid']."', sys_groupid = '".$web_rec['sys_groupid']."'";
						if($rec['type'] == 'vhostsubdomain' || $rec['type'] == 'vhostalias') {
							$php_open_basedir = str_replace("[website_path]/web", $document_root.'/'.$rec['web_folder'], $web_config["php_open_basedir"]);
							$php_open_basedir = str_replace("[website_domain]/web", $rec['domain'].'/'.$rec['web_folder'], $php_open_basedir);
							$php_open_basedir = str_replace("[website_path]", $document_root, $php_open_basedir);
							$php_open_basedir = $app->db->quote(str_replace("[website_domain]", $rec['domain'], $php_open_basedir));

							$update_columns .= ", document_root = '".$document_root."', `php_open_basedir` = '".$php_open_basedir."'";
						}
						$app->db->datalogUpdate('web_domain', $update_columns, 'domain_id', $rec['domain_id']);
					}
					unset($records);
					unset($rec);

					//* Update all databases
					$records = $app->db->queryAllRecords("SELECT database_id FROM web_database WHERE parent_domain_id = ".$page_form->id);
					foreach($records as $rec) {
						$app->db->datalogUpdate('web_database', "sys_userid = '".$app->functions->intval($web_rec['sys_userid'])."', sys_groupid = '".$app->functions->intval($web_rec['sys_groupid'])."'", 'database_id', $app->functions->intval($rec['database_id']));
					}
					unset($records);
					unset($rec);

				}

				//* If the domain name has been changed, we will have to change all subdomains + APS instances
				if(!empty($page_form->dataRecord["domain"]) && !empty($page_form->oldDataRecord["domain"]) && $page_form->dataRecord["domain"] != $page_form->oldDataRecord["domain"]) {
					$records = $app->db->queryAllRecords("SELECT domain_id,domain FROM web_domain WHERE (type = 'subdomain' OR type = 'vhostsubdomain' OR type = 'vhostalias') AND domain LIKE '%.".$app->db->quote($page_form->oldDataRecord["domain"])."'");
					foreach($records as $rec) {
						$subdomain = $app->db->quote(str_replace($page_form->oldDataRecord["domain"], $page_form->dataRecord["domain"], $rec['domain']));
						$app->db->datalogUpdate('web_domain', "domain = '".$subdomain."'", 'domain_id', $rec['domain_id']);
					}
					unset($records);
					unset($rec);
					unset($subdomain);

					// Update APS instances
					$records = $app->db->queryAllRecords("SELECT id, instance_id FROM aps_instances_settings WHERE name = 'main_domain' AND value = '".$app->db->quote($page_form->oldDataRecord["domain"])."'");
					if(is_array($records) && !empty($records)){
						foreach($records as $rec){
							$app->db->datalogUpdate('aps_instances_settings', "value = '".$app->db->quote($page_form->dataRecord["domain"])."'", 'id', $rec['id']);
							// Reinstall of package needed?
							//$app->db->datalogUpdate('aps_instances', "instance_status = '1'", 'id', $rec['instance_id']);
						}
					}
					unset($records);
					unset($rec);
				}

				//* Set allow_override if empty
				if($web_rec['allow_override'] == '') {
					$sql = "UPDATE web_domain SET allow_override = '".$app->db->quote($web_config["htaccess_allow_override"])."' WHERE domain_id = ".$page_form->id;
					$app->db->query($sql);
				}

				//* Set php_open_basedir if empty or domain or client has been changed
				if(empty($web_rec['php_open_basedir']) ||
					(!empty($page_form->dataRecord["domain"]) && !empty($page_form->oldDataRecord["domain"]) && $page_form->dataRecord["domain"] != $page_form->oldDataRecord["domain"])) {
					$php_open_basedir = $web_rec['php_open_basedir'];
					$php_open_basedir = $app->db->quote(str_replace($page_form->oldDataRecord['domain'], $web_rec['domain'], $php_open_basedir));
					$sql = "UPDATE web_domain SET php_open_basedir = '$php_open_basedir' WHERE domain_id = ".$page_form->id;
					$app->db->query($sql);
				}
				if(empty($web_rec['php_open_basedir']) ||
					(isset($page_form->dataRecord["client_group_id"]) && $page_form->dataRecord["client_group_id"] != $page_form->oldDataRecord["sys_groupid"])) {
					$document_root = $app->db->quote(str_replace("[client_id]", $client_id, $document_root));
					$php_open_basedir = str_replace("[website_path]", $document_root, $web_config["php_open_basedir"]);
					$php_open_basedir = $app->db->quote(str_replace("[website_domain]", $web_rec['domain'], $php_open_basedir));
					$sql = "UPDATE web_domain SET php_open_basedir = '$php_open_basedir' WHERE domain_id = ".$page_form->id;
					$app->db->query($sql);
				}

				//* Change database backup options when web backup options have been changed
				if(isset($page_form->dataRecord['backup_interval']) && ($page_form->dataRecord['backup_interval'] != $page_form->oldDataRecord['backup_interval'] || $page_form->dataRecord['backup_copies'] != $page_form->oldDataRecord['backup_copies'])) {
					//* Update all databases
					$backup_interval = $app->db->quote($page_form->dataRecord['backup_interval']);
					$backup_copies = $app->functions->intval($page_form->dataRecord['backup_copies']);
					$records = $app->db->queryAllRecords("SELECT database_id FROM web_database WHERE parent_domain_id = ".$page_form->id);
					foreach($records as $rec) {
						$app->db->datalogUpdate('web_database', "backup_interval = '$backup_interval', backup_copies = '$backup_copies'", 'database_id', $rec['database_id']);
					}
					unset($records);
					unset($rec);
					unset($backup_copies);
					unset($backup_interval);
				}

				//* Change vhost subdomain and alias ip/ipv6 if domain ip/ipv6 has changed
				if(isset($page_form->dataRecord['ip_address']) && ($page_form->dataRecord['ip_address'] != $page_form->oldDataRecord['ip_address'] || $page_form->dataRecord['ipv6_address'] != $page_form->oldDataRecord['ipv6_address'])) {
					$records = $app->db->queryAllRecords("SELECT domain_id FROM web_domain WHERE (type = 'vhostsubdomain' OR type = 'vhostalias') AND parent_domain_id = ".$page_form->id);
					foreach($records as $rec) {
						$app->db->datalogUpdate('web_domain', "ip_address = '".$app->db->quote($web_rec['ip_address'])."', ipv6_address = '".$app->db->quote($web_rec['ipv6_address'])."'", 'domain_id', $rec['domain_id']);
					}
					unset($records);
					unset($rec);
				}
			} else {
				$php_open_basedir    = str_replace("[website_path]", $document_root, $web_config["php_open_basedir"]);
				$php_open_basedir    = $app->db->quote(str_replace("[website_domain]", $page_form->dataRecord['domain'], $php_open_basedir));

				$htaccess_allow_override  = $app->db->quote($web_config["htaccess_allow_override"]);
				$sql = "UPDATE web_domain SET system_user = '$system_user', system_group = '$system_group', document_root = '$document_root', allow_override = '$htaccess_allow_override', php_open_basedir = '$php_open_basedir'  WHERE domain_id = ".$page_form->id;
				$app->db->query($sql);
			}
		} else {
			if(isset($page_form->dataRecord["parent_domain_id"]) && $page_form->dataRecord["parent_domain_id"] != $page_form->oldDataRecord["parent_domain_id"]) {
				$parent_domain = $app->db->queryOneRecord("SELECT * FROM `web_domain` WHERE `domain_id` = '" . $app->functions->intval($page_form->dataRecord['parent_domain_id']) . "'");

				// Set the values for document_root, system_user and system_group
				$system_user = $app->db->quote($parent_domain['system_user']);
				$system_group = $app->db->quote($parent_domain['system_group']);
				$document_root = $app->db->quote($parent_domain['document_root']);
				$php_open_basedir = str_replace("[website_path]/web", $document_root.'/'.$page_form->dataRecord['web_folder'], $web_config["php_open_basedir"]);
				$php_open_basedir = str_replace("[website_domain]/web", $page_form->dataRecord['domain'].'/'.$page_form->dataRecord['web_folder'], $php_open_basedir);
				$php_open_basedir = str_replace("[website_path]", $document_root, $php_open_basedir);
				$php_open_basedir = $app->db->quote(str_replace("[website_domain]", $page_form->dataRecord['domain'], $php_open_basedir));
				$htaccess_allow_override = $app->db->quote($parent_domain['allow_override']);
				$sql = "UPDATE web_domain SET sys_groupid = ".$app->functions->intval($parent_domain['sys_groupid']).",system_user = '$system_user', system_group = '$system_group', document_root = '$document_root', allow_override = '$htaccess_allow_override', php_open_basedir = '$php_open_basedir'  WHERE domain_id = ".$page_form->id;
				$app->db->query($sql);
			}
		}
	}

}
