smeserver-dmarc-srg/root/opt/dmarc-srg/classes/Database/Mariadb/DomainMapper.php

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2023-06-21 15:19:40 +02:00
<?php
/**
* dmarc-srg - A php parser, viewer and summary report generator for incoming DMARC reports.
* Copyright (C) 2022 Aleksey Andreev (liuch)
*
* Available at:
* https://github.com/liuch/dmarc-srg
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation, either version 3 of the License.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*
* =========================
*
* This file contains the DomainMapper class
*
* @category API
* @package DmarcSrg
* @author Aleksey Andreev (liuch)
* @license https://www.gnu.org/licenses/gpl-3.0.html GNU/GPLv3
*/
namespace Liuch\DmarcSrg\Database\Mariadb;
use Liuch\DmarcSrg\DateTime;
use Liuch\DmarcSrg\Database\DomainMapperInterface;
use Liuch\DmarcSrg\Exception\SoftException;
use Liuch\DmarcSrg\Exception\DatabaseFatalException;
use Liuch\DmarcSrg\Exception\DatabaseNotFoundException;
/**
* DomainMapper class implementation for MariaDB
*/
class DomainMapper implements DomainMapperInterface
{
private $connector = null;
/**
* The constructor
*
* @param Connector $connector DatabaseConnector
*/
public function __construct(object $connector)
{
$this->connector = $connector;
}
/**
* Return true if the domain exists or false otherwise.
*
* @param array $data Array with domain data to search
*
* @return bool
*/
public function exists(array &$data): bool
{
try {
$st = $this->connector->dbh()->prepare(
'SELECT `id` FROM `' . $this->connector->tablePrefix('domains') .
'` WHERE ' . $this->sqlCondition($data)
);
$this->sqlBindValue($st, 1, $data);
$st->execute();
$res = $st->fetch(\PDO::FETCH_NUM);
$st->closeCursor();
if (!$res) {
return false;
}
$data['id'] = intval($res[0]);
} catch (\PDOException $e) {
throw new DatabaseFatalException('Failed to get domain ID', -1, $e);
}
return true;
}
/**
* Fetch the domain data from the database by its id or name
*
* @param array $data Domain data to update
*
* @return void
*/
public function fetch(array &$data): void
{
try {
$st = $this->connector->dbh()->prepare(
'SELECT `id`, `fqdn`, `active`, `description`, `created_time`, `updated_time` FROM `'
. $this->connector->tablePrefix('domains') . '` WHERE ' . $this->sqlCondition($data)
);
$this->sqlBindValue($st, 1, $data);
$st->execute();
$res = $st->fetch(\PDO::FETCH_NUM);
$st->closeCursor();
if (!$res) {
throw new DatabaseNotFoundException('Domain not found');
}
$data['id'] = intval($res[0]);
$data['fqdn'] = $res[1];
$data['active'] = boolval($res[2]);
$data['description'] = $res[3];
$data['created_time'] = new DateTime($res[4]);
$data['updated_time'] = new DateTime($res[5]);
} catch (\PDOException $e) {
throw new DatabaseFatalException('Failed to fetch the domain data', -1, $e);
}
}
/**
* Saves domain data to the database (updates or inserts an record)
*
* @param array $data Domain data
*
* @return void
*/
public function save(array &$data): void
{
$db = $this->connector->dbh();
$data['updated_time'] = new DateTime();
if ($this->exists($data)) {
try {
$st = $db->prepare(
'UPDATE `' . $this->connector->tablePrefix('domains')
. '` SET `active` = ?, `description` = ?, `updated_time` = ? WHERE `id` = ?'
);
$st->bindValue(1, $data['active'], \PDO::PARAM_BOOL);
$st->bindValue(2, $data['description'], \PDO::PARAM_STR);
$st->bindValue(3, $data['updated_time']->format('Y-m-d H:i:s'), \PDO::PARAM_STR);
$st->bindValue(4, $data['id'], \PDO::PARAM_INT);
$st->execute();
$st->closeCursor();
} catch (\PDOException $e) {
throw new DababaseException('Failed to update the domain data', -1, $e);
}
} else {
try {
$active = $data['active'] ?? false;
$data['created_time'] = $data['updated_time'];
if (is_null($data['description'])) {
$sql1 = '';
$sql2 = '';
} else {
$sql1 = ', `description`';
$sql2 = ', ?';
}
$st = $db->prepare(
'INSERT INTO `' . $this->connector->tablePrefix('domains')
. '` (`fqdn`, `active`' . $sql1 . ', `created_time`, `updated_time`)'
. ' VALUES (?, ?' . $sql2 . ', ?, ?)'
);
$idx = 0;
$st->bindValue(++$idx, $data['fqdn'], \PDO::PARAM_STR);
$st->bindValue(++$idx, $active, \PDO::PARAM_BOOL);
if (!is_null($data['description'])) {
$st->bindValue(++$idx, $data['description'], \PDO::PARAM_STR);
}
$st->bindValue(++$idx, $data['created_time']->format('Y-m-d H:i:s'), \PDO::PARAM_STR);
$st->bindValue(++$idx, $data['updated_time']->format('Y-m-d H:i:s'), \PDO::PARAM_STR);
$st->execute();
$st->closeCursor();
$data['id'] = intval($db->lastInsertId());
$data['active'] = $active;
} catch (\PDOException $e) {
throw new DatabaseFatalException('Failed to insert the domain data', -1, $e);
}
}
}
/**
* Deletes the domain from the database
*
* Deletes the domain if there are no reports for this domain in the database.
*
* @param array $data Domain data
*
* @return void
*/
public function delete(array &$data): void
{
$db = $this->connector->dbh();
$db->beginTransaction();
try {
$filter = [ 'domain' => $data['id'] ];
$limit = [ 'offset' => 0, 'count' => 0 ];
$r_count = $this->connector->getMapper('report')->count($filter, $limit);
if ($r_count > 0) {
switch ($r_count) {
case 1:
$s1 = 'is';
$s2 = '';
break;
default:
$s1 = 'are';
$s2 = 's';
break;
}
throw new SoftException(
"Failed to delete: there {$s1} {$r_count} incoming report{$s2} for this domain"
);
}
$st = $db->prepare('DELETE FROM `' . $this->connector->tablePrefix('domains') . '` WHERE `id` = ?');
$st->bindValue(1, $data['id'], \PDO::PARAM_INT);
$st->execute();
$st->closeCursor();
$db->commit();
} catch (\PDOException $e) {
$db->rollBack();
throw new DatabaseFatalException('Failed to delete the domain', -1, $e);
} catch (\Exception $e) {
$db->rollBack();
throw $e;
}
}
/**
* Returns a list of domains data from the database
*
* @return array
*/
public function list(): array
{
$list = [];
try {
$st = $this->connector->dbh()->query(
'SELECT `id`, `fqdn`, `active`, `description`, `created_time`, `updated_time` FROM `'
. $this->connector->tablePrefix('domains') . '`'
);
while ($row = $st->fetch(\PDO::FETCH_NUM)) {
$list[] = [
'id' => intval($row[0]),
'fqdn' => $row[1],
'active' => boolval($row[2]),
'description' => $row[3],
'created_time' => new DateTime($row[4]),
'updated_time' => new DateTime($row[5])
];
}
$st->closeCursor();
} catch (\PDOException $e) {
throw new DatabaseFatalException('Failed to get the domain list', -1, $e);
}
return $list;
}
/**
* Returns an ordered array with domain names from the database
*
* @return array
*/
public function names(): array
{
$res = [];
try {
$st = $this->connector->dbh()->query(
'SELECT `fqdn` FROM `' . $this->connector->tablePrefix('domains') . '` ORDER BY `fqdn`',
\PDO::FETCH_NUM
);
while ($name = $st->fetchColumn(0)) {
$res[] = $name;
}
$st->closeCursor();
} catch (\PDOException $e) {
throw new DatabaseFatalException('Failed to get a list of domain names', -1, $e);
}
return $res;
}
/**
* Returns the total number of domains in the database
*
* @param int $max The maximum number of records to count. 0 means no limitation.
*
* @return int The total number of domains
*/
public function count(int $max = 0): int
{
$number = 0;
try {
$query_str = 'SELECT COUNT(*) FROM `' . $this->connector->tablePrefix('domains') . '`';
if ($max > 0) {
$query_str .= " LIMIT {$max}";
}
$st = $this->connector->dbh()->query($query_str, \PDO::FETCH_NUM);
$number = intval($st->fetchColumn(0));
$st->closeCursor();
} catch (\PDOException $e) {
throw new DatabaseFatalException('Failed to get the number of domains', -1, $e);
}
return $number;
}
/**
* Returns a condition string for a WHERE statement based on existing domain data
*
* @param array $data Domain data
*
* @return string Condition string
*/
private function sqlCondition(array &$data): string
{
if (isset($data['id'])) {
return '`id` = ?';
}
return '`fqdn` = ?';
}
/**
* Binds values for SQL queries based on existing domain data
*
* @param PDOStatement $st PDO Statement to bind to
* @param ind $pos Start position for binding
* @param array $data Domain data
*
* @return void
*/
private function sqlBindValue($st, int $pos, array &$data): void
{
if (isset($data['id'])) {
$st->bindValue($pos, $data['id'], \PDO::PARAM_INT);
} else {
$st->bindValue($pos, $data['fqdn'], \PDO::PARAM_STR);
}
}
}