<?php

/*
Copyright (c) 2007, Till Brehm, projektfarm Gmbh
All rights reserved.

Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:

    * Redistributions of source code must retain the above copyright notice,
      this list of conditions and the following disclaimer.
    * Redistributions in binary form must reproduce the above copyright notice,
      this list of conditions and the following disclaimer in the documentation
      and/or other materials provided with the distribution.
    * Neither the name of ISPConfig nor the names of its contributors
      may be used to endorse or promote products derived from this software without
      specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

/******************************************
* Begin Form configuration
******************************************/

$tform_def_file = "form/dns_soa.tform.php";

/******************************************
* End Form configuration
******************************************/

require_once '../../lib/config.inc.php';
require_once '../../lib/app.inc.php';

//* Check permissions for module
$app->auth->check_module_permissions('dns');

// Loading classes
$app->uses('tpl,tform,tform_actions,validate_dns');
$app->load('tform_actions');

class page_action extends tform_actions {

	function onShow() {
		global $app;
		//* Reset the page number of the list form for the dns
		//* records to 0 if we are on the first tab of the soa form.
		if($app->tform->getNextTab() == 'dns_soa') {
			$_SESSION['search']['dns_a']['page'] = 0;
		}
		parent::onShow();
	}

	function onShowNew() {
		global $app, $conf;

		// we will check only users, not admins
		if($_SESSION["s"]["user"]["typ"] == 'user') {
			if(!$app->tform->checkClientLimit('limit_dns_zone')) {
				$app->error($app->tform->wordbook["limit_dns_zone_txt"]);
			}
			if(!$app->tform->checkResellerLimit('limit_dns_zone')) {
				$app->error('Reseller: '.$app->tform->wordbook["limit_dns_zone_txt"]);
			}
		}

		parent::onShowNew();
	}

	function onShowEnd() {
		global $app, $conf;

		// If user is admin, we will allow him to select to whom this record belongs
		if($_SESSION["s"]["user"]["typ"] == 'admin') {
			// Getting Domains of the user
			$sql = "SELECT sys_group.groupid, sys_group.name, CONCAT(IF(client.company_name != '', CONCAT(client.company_name, ' :: '), ''), client.contact_name, ' (', client.username, IF(client.customer_no != '', CONCAT(', ', client.customer_no), ''), ')') as contactname FROM sys_group, client WHERE sys_group.client_id = client.client_id AND sys_group.client_id > 0 ORDER BY sys_group.name";
			$clients = $app->db->queryAllRecords($sql);
			$client_select = '';
			if($_SESSION["s"]["user"]["typ"] == 'admin') $client_select .= "<option value='0'></option>";
			//$tmp_data_record = $app->tform->getDataRecord($this->id);
			if(is_array($clients)) {
				foreach( $clients as $client) {
					$selected = @(is_array($this->dataRecord) && ($client["groupid"] == $this->dataRecord['client_group_id'] || $client["groupid"] == $this->dataRecord['sys_groupid']))?'SELECTED':'';
					$client_select .= "<option value='$client[groupid]' $selected>$client[contactname]</option>\r\n";
				}
			}
			$app->tpl->setVar("client_group_id", $client_select);
		} else if($app->auth->has_clients($_SESSION['s']['user']['userid'])) {

				// Get the limits of the client
				$client_group_id = intval($_SESSION["s"]["user"]["default_group"]);
				$client = $app->db->queryOneRecord("SELECT client.client_id, client.contact_name, CONCAT(IF(client.company_name != '', CONCAT(client.company_name, ' :: '), ''), client.contact_name, ' (', client.username, IF(client.customer_no != '', CONCAT(', ', client.customer_no), ''), ')') as contactname, sys_group.name FROM sys_group, client WHERE sys_group.client_id = client.client_id and sys_group.groupid = $client_group_id");

				// Fill the client select field
				$sql = "SELECT sys_group.groupid, sys_group.name, CONCAT(IF(client.company_name != '', CONCAT(client.company_name, ' :: '), ''), client.contact_name, ' (', client.username, IF(client.customer_no != '', CONCAT(', ', client.customer_no), ''), ')') as contactname FROM sys_group, client WHERE sys_group.client_id = client.client_id AND client.parent_client_id = ".$client['client_id']." ORDER BY sys_group.name";
				$clients = $app->db->queryAllRecords($sql);
				$tmp = $app->db->queryOneRecord("SELECT groupid FROM sys_group WHERE client_id = ".$client['client_id']);
				$client_select = '<option value="'.$tmp['groupid'].'">'.$client['contactname'].'</option>';
				//$tmp_data_record = $app->tform->getDataRecord($this->id);
				if(is_array($clients)) {
					foreach( $clients as $client) {
						$selected = @(is_array($this->dataRecord) && ($client["groupid"] == $this->dataRecord['client_group_id'] || $client["groupid"] == $this->dataRecord['sys_groupid']))?'SELECTED':'';
						$client_select .= "<option value='$client[groupid]' $selected>$client[contactname]</option>\r\n";
					}
				}
				$app->tpl->setVar("client_group_id", $client_select);

			}
		$app->tpl->setVar("client_group_id", $client_select);

//	}

	if($_SESSION["s"]["user"]["typ"] != 'admin')
	{
		$client_group_id = $_SESSION["s"]["user"]["default_group"];
		$client_dns = $app->db->queryOneRecord("SELECT dns_servers FROM sys_group, client WHERE sys_group.client_id = client.client_id and sys_group.groupid = $client_group_id");

		$client_dns['dns_servers_ids'] = explode(',', $client_dns['dns_servers']);

		$only_one_server = count($client_dns['dns_servers_ids']) === 1;
		$app->tpl->setVar('only_one_server', $only_one_server);

		if ($only_one_server) {
			$app->tpl->setVar('server_id_value', $client_dns['dns_servers_ids'][0]);
		}

		$sql = "SELECT server_id, server_name FROM server WHERE server_id IN (" . $client_dns['dns_servers'] . ");";
		$dns_servers = $app->db->queryAllRecords($sql);

		$options_dns_servers = "";

		foreach ($dns_servers as $dns_server) {
			$options_dns_servers .= "<option value='$dns_server[server_id]'>$dns_server[server_name]</option>";
		}

		$app->tpl->setVar("client_server_id", $options_dns_servers);
		unset($options_dns_servers);

	}

	if($this->id > 0) {
		//* we are editing a existing record
		$app->tpl->setVar("edit_disabled", 1);
		$app->tpl->setVar("server_id_value", $this->dataRecord["server_id"]);
	} else {
		$app->tpl->setVar("edit_disabled", 0);
	}

	parent::onShowEnd();
}

function onSubmit() {
	global $app, $conf;

	if($_SESSION["s"]["user"]["typ"] != 'admin') {
		// Get the limits of the client
		$client_group_id = $_SESSION["s"]["user"]["default_group"];
		$client = $app->db->queryOneRecord("SELECT limit_dns_zone, dns_servers FROM sys_group, client WHERE sys_group.client_id = client.client_id and sys_group.groupid = $client_group_id");

		$client['dns_servers_ids'] = explode(',', $client['dns_servers']);

		// Check if chosen server is in authorized servers for this client
		if (!(is_array($client['dns_servers_ids']) && in_array($this->dataRecord["server_id"], $client['dns_servers_ids'])) && $_SESSION["s"]["user"]["typ"] != 'admin') {
			$app->error($app->tform->wordbook['error_not_allowed_server_id']);
		}

		// When the record is updated
		if($this->id > 0) {
			// restore the server ID if the user is not admin and record is edited
			$tmp = $app->db->queryOneRecord("SELECT server_id FROM dns_soa WHERE id = ".$app->functions->intval($this->id));
			$this->dataRecord["server_id"] = $tmp["server_id"];
			unset($tmp);
			// When the record is inserted
		} else {
			// Check if the user may add another maildomain.
			if($client["limit_dns_zone"] >= 0) {
				$tmp = $app->db->queryOneRecord("SELECT count(id) as number FROM dns_soa WHERE sys_groupid = $client_group_id");
				if($tmp["number"] >= $client["limit_dns_zone"]) {
					$app->error($app->tform->wordbook["limit_dns_zone_txt"]);
				}
			}
		}
	}

	/*
		// Update the serial number of the SOA record
		$soa = $app->db->queryOneRecord("SELECT serial FROM dns_soa WHERE id = ".$this->id);
		$this->dataRecord["serial"] = $app->validate_dns->increase_serial($soa["serial"]);
		*/


	//* Check if soa, ns and mbox have a dot at the end
	if(strlen($this->dataRecord["origin"]) > 0 && substr($this->dataRecord["origin"], -1, 1) != '.') $this->dataRecord["origin"] .= '.';
	if(strlen($this->dataRecord["ns"]) > 0 && substr($this->dataRecord["ns"], -1, 1) != '.') $this->dataRecord["ns"] .= '.';
	if(strlen($this->dataRecord["mbox"]) > 0 && substr($this->dataRecord["mbox"], -1, 1) != '.') $this->dataRecord["mbox"] .= '.';

	//* Replace @ in mbox
	if(stristr($this->dataRecord["mbox"], '@')) {
		$this->dataRecord["mbox"] = str_replace('@', '.', $this->dataRecord["mbox"]);
	}

	$this->dataRecord["xfer"] = preg_replace('/\s+/', '', $this->dataRecord["xfer"]);
	$this->dataRecord["also_notify"] = preg_replace('/\s+/', '', $this->dataRecord["also_notify"]);

	//* Check if a secondary zone with the same name already exists
	$tmp = $app->db->queryOneRecord("SELECT count(id) as number FROM dns_slave WHERE origin = ? AND server_id = ?", $this->dataRecord["origin"], $this->dataRecord["server_id"]);
	if($tmp["number"] > 0) {
		$app->error($app->tform->wordbook["origin_error_unique"]);
	}

	parent::onSubmit();
}

function onAfterInsert() {
	global $app, $conf;

	// make sure that the record belongs to the client group and not the admin group when a dmin inserts it
	if($_SESSION["s"]["user"]["typ"] == 'admin' && isset($this->dataRecord["client_group_id"])) {
		$client_group_id = $app->functions->intval($this->dataRecord["client_group_id"]);
		$app->db->query("UPDATE dns_soa SET sys_groupid = $client_group_id, sys_perm_group = 'ru' WHERE id = ".$this->id);
		// And we want to update all rr records too, that belong to this record
		$app->db->query("UPDATE dns_rr SET sys_groupid = $client_group_id WHERE zone = ".$this->id);
	}
	if($app->auth->has_clients($_SESSION['s']['user']['userid']) && isset($this->dataRecord["client_group_id"])) {
		$client_group_id = $app->functions->intval($this->dataRecord["client_group_id"]);
		$app->db->query("UPDATE dns_soa SET sys_groupid = $client_group_id, sys_perm_group = 'riud' WHERE id = ".$this->id);
		// And we want to update all rr records too, that belong to this record
		$app->db->query("UPDATE dns_rr SET sys_groupid = $client_group_id WHERE zone = ".$this->id);
	}

}

function onBeforeUpdate () {
	global $app, $conf;

	//* Check if the server has been changed
	// We do this only for the admin or reseller users, as normal clients can not change the server ID anyway
	if($_SESSION["s"]["user"]["typ"] != 'admin' && !$app->auth->has_clients($_SESSION['s']['user']['userid'])) {
		//* We do not allow users to change a domain which has been created by the admin
		$rec = $app->db->queryOneRecord("SELECT origin from dns_soa WHERE id = ".$this->id);
		if(isset($this->dataRecord["origin"]) && $rec['origin'] != $this->dataRecord["origin"] && $app->tform->checkPerm($this->id, 'u')) {
			//* Add a error message and switch back to old server
			$app->tform->errorMessage .= $app->lng('The Zone (soa) can not be changed. Please ask your Administrator if you want to change the Zone name.');
			$this->dataRecord["origin"] = $rec['origin'];
		}
		unset($rec);
	}
}

function onAfterUpdate() {
	global $app, $conf;

	$tmp = $app->db->diffrec($this->oldDataRecord, $app->tform->getDataRecord($this->id));
	if($tmp['diff_num'] > 0) {
		// Update the serial number of the SOA record
		$soa = $app->db->queryOneRecord("SELECT serial FROM dns_soa WHERE id = ".$this->id);
		$app->db->query("UPDATE dns_soa SET serial = '".$app->validate_dns->increase_serial($soa["serial"])."' WHERE id = ".$this->id);
	}

	// make sure that the record belongs to the client group and not the admin group when a dmin inserts it
	if($_SESSION["s"]["user"]["typ"] == 'admin' && isset($this->dataRecord["client_group_id"])) {
		$client_group_id = $app->functions->intval($this->dataRecord["client_group_id"]);
		$app->db->query("UPDATE dns_soa SET sys_groupid = $client_group_id, sys_perm_group = 'ru' WHERE id = ".$this->id);
		// And we want to update all rr records too, that belong to this record
		$app->db->query("UPDATE dns_rr SET sys_groupid = $client_group_id WHERE zone = ".$this->id);
	}
	if($app->auth->has_clients($_SESSION['s']['user']['userid']) && isset($this->dataRecord["client_group_id"])) {
		$client_group_id = $app->functions->intval($this->dataRecord["client_group_id"]);
		$app->db->query("UPDATE dns_soa SET sys_groupid = $client_group_id, sys_perm_group = 'riud' WHERE id = ".$this->id);
		// And we want to update all rr records too, that belong to this record
		$app->db->query("UPDATE dns_rr SET sys_groupid = $client_group_id WHERE zone = ".$this->id);
	}

	//** When the client group has changed, change also the owner of the record if the owner is not the admin user
	if($this->oldDataRecord["client_group_id"] != $this->dataRecord["client_group_id"] && $this->dataRecord["sys_userid"] != 1) {
		$client_group_id = $app->functions->intval($this->dataRecord["client_group_id"]);
		$tmp = $app->db->queryOneREcord("SELECT userid FROM sys_user WHERE default_group = ".$client_group_id);
		if($tmp["userid"] > 0) {
			$app->db->query("UPDATE dns_soa SET sys_userid = ".$tmp["userid"]." WHERE id = ".$this->id);
			$app->db->query("UPDATE dns_rr SET sys_userid = ".$tmp["userid"]." WHERE zone = ".$this->id);
		}
	}

}

}

$page = new page_action;
$page->onLoad();

?>
