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