512 lines
17 KiB
PHP
512 lines
17 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 DatabaseConnector 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\ErrorHandler;
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use Liuch\DmarcSrg\Database\DatabaseConnector;
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use Liuch\DmarcSrg\Exception\SoftException;
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use Liuch\DmarcSrg\Exception\RuntimeException;
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use Liuch\DmarcSrg\Exception\DatabaseFatalException;
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use Liuch\DmarcSrg\Exception\DatabaseExceptionFactory;
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use Liuch\DmarcSrg\Exception\DatabaseNotFoundException;
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class Connector extends DatabaseConnector
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{
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protected $dbh = null;
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/**
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* Returns an instance of PDO class
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*
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* @return \PDO
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*/
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public function dbh(): object
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{
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$this->ensureConnection();
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return $this->dbh;
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}
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/**
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* Returns the name of the database
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*
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* @return string
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*/
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public function dbName(): string
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{
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return $this->name;
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}
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/**
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* Returns information about the database as an array.
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*
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* @return array May contain the following fields:
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* `tables` - an array of tables with their properties;
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* `correct` - true if the database is correct;
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* `version` - the current version of the database structure;
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* `message` - a state message;
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* `error_code` - an error code;
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*/
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public function state(): array
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{
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$this->ensureConnection();
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$res = [];
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$p_len = strlen($this->prefix);
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if ($p_len > 0) {
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$like_str = ' WHERE NAME LIKE "' . str_replace('_', '\\_', $this->prefix) . '%"';
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} else {
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$like_str = '';
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}
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try {
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$tables = [];
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$st = $this->dbh->query(
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'SHOW TABLE STATUS FROM `' . str_replace('`', '', $this->name) . '`' . $like_str
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);
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while ($row = $st->fetch(\PDO::FETCH_ASSOC)) {
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$tname = $row['Name'];
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$rcnt = $this->dbh->query('SELECT COUNT(*) FROM `' . $tname . '`')->fetch(\PDO::FETCH_NUM)[0];
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$tables[substr($tname, $p_len)] = [
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'engine' => $row['Engine'],
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'rows' => intval($rcnt),
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'data_length' => intval($row['Data_length']),
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'index_length' => intval($row['Index_length']),
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'create_time' => $row['Create_time'],
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'update_time' => $row['Update_time']
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];
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}
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foreach (array_keys(self::$schema) as $table) {
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if (!isset($tables[$table])) {
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$tables[$table] = false;
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}
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}
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$exist_cnt = 0;
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$absent_cnt = 0;
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$tables_res = [];
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foreach ($tables as $tname => $tval) {
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$t = null;
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if ($tval) {
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$t = $tval;
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$t['exists'] = true;
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if (isset(self::$schema[$tname])) {
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++$exist_cnt;
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$t['message'] = 'Ok';
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} else {
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$t['message'] = 'Unknown table';
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}
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} else {
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++$absent_cnt;
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$t = [
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'error_code' => 1,
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'message' => 'Not exist'
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];
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}
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$t['name'] = $tname;
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$tables_res[] = $t;
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}
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$res['tables'] = $tables_res;
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if ($absent_cnt === 0) {
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$res['correct'] = true;
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$res['message'] = 'Ok';
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try {
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$res['version'] = $this->getMapper('setting')->value('version');
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} catch (DatabaseNotFoundException $e) {
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}
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} else {
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$res['error_code'] = -1;
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if ($exist_cnt == 0) {
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$res['message'] = 'The database schema is not initiated';
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} else {
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$res['message'] = 'Incomplete set of the tables';
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}
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}
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} catch (\PDOException $e) {
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$res = array_replace($res, ErrorHandler::exceptionResult(
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new DatabaseFatalException('Failed to get the database information', -1, $e)
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));
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} catch (RuntimeException $e) {
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$res = array_replace($res, ErrorHandler::exceptionResult($e));
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}
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return $res;
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}
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/**
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* Inites the database.
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*
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* This method creates needed tables and indexes in the database.
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* The method will fail if the database already have tables with the table prefix.
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*
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* @param $version The current version of the database schema
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*
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* @return void
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*/
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public function initDb(string $version): void
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{
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$this->ensureConnection();
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try {
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$st = $this->dbh->query($this->sqlShowTablesQuery());
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try {
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if ($st->fetch()) {
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if (empty($this->tablePrefix())) {
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throw new SoftException('The database is not empty', -4);
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} else {
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throw new SoftException('Database tables already exist with the given prefix', -4);
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}
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}
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foreach (self::$schema as $t_name => &$t_schema) {
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$this->createDbTable($this->tablePrefix($t_name), $t_schema);
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}
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unset($t_schema);
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} finally {
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$st->closeCursor();
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}
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$st = $this->dbh->prepare(
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'INSERT INTO `' . $this->tablePrefix('system') . '` (`key`, `value`) VALUES ("version", ?)'
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);
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$st->bindValue(1, $version, \PDO::PARAM_STR);
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$st->execute();
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$st->closeCursor();
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} catch (\PDOException $e) {
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throw new DatabaseFatalException('Failed to create required tables in the database', -1, $e);
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}
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}
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/**
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* Cleans up the database
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*
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* Drops tables with the table prefix in the database or all tables in the database
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* if no table prefix is set.
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*
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* @return void
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*/
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public function cleanDb(): void
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{
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$this->ensureConnection();
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try {
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$db = $this->dbh;
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$db->query('SET foreign_key_checks = 0');
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$st = $db->query($this->sqlShowTablesQuery());
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while ($table = $st->fetchColumn(0)) {
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$db->query('DROP TABLE `' . $table . '`');
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}
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$st->closeCursor();
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$db->query('SET foreign_key_checks = 1');
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} catch (\PDOException $e) {
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throw new DatabaseFatalException('Failed to drop the database tables', -1, $e);
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}
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}
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/**
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* Sets the database connection if it hasn't connected yet.
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*
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* @return void
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*/
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private function ensureConnection(): void
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{
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if (!$this->dbh) {
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try {
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$this->dbh = new \PDO(
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"mysql:host={$this->host};dbname={$this->name};charset=utf8",
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$this->user,
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$this->password,
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[ \PDO::ATTR_ERRMODE => \PDO::ERRMODE_EXCEPTION ]
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);
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$this->dbh->query('SET time_zone = "+00:00"');
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} catch (\PDOException $e) {
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throw DatabaseExceptionFactory::fromException($e);
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}
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}
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}
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/**
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* Return SHOW TABLES SQL query string for tables with the table prefix
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*
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* @return string
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*/
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private function sqlShowTablesQuery(): string
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{
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$res = 'SHOW TABLES';
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$prefix = $this->tablePrefix();
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if (strlen($prefix) > 0) {
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$res .= ' WHERE `tables_in_' . str_replace('`', '', $this->name)
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. '` LIKE "' . str_replace('_', '\\_', $prefix) . '%"';
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}
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return $res;
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}
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/**
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* Creates a table in the database.
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*
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* @param string $name Table name
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* @param array $definitions Table structure
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*
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* @return void
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*/
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private function createDbTable(string $name, array $definitions): void
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{
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$query = 'CREATE TABLE `' . $name . '` (';
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$col_num = 0;
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foreach ($definitions['columns'] as $column) {
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if ($col_num > 0) {
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$query .= ', ';
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}
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$query .= '`' . $column['name'] . '` ' . $column['definition'];
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$col_num += 1;
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}
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$query .= ', ' . $definitions['additional'] . ') ' . $definitions['table_options'];
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$this->dbh->query($query);
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}
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private static $schema = [
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'system' => [
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'columns' => [
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[
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'name' => 'key',
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'definition' => 'varchar(64) NOT NULL'
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],
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[
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'name' => 'value',
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'definition' => 'varchar(255) DEFAULT NULL'
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]
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],
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'additional' => 'PRIMARY KEY (`key`)',
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'table_options' => 'ENGINE=InnoDB DEFAULT CHARSET=utf8'
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],
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'domains' => [
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'columns' => [
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[
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'name' => 'id',
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'definition' => 'int(10) unsigned NOT NULL AUTO_INCREMENT'
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],
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[
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'name' => 'fqdn',
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'definition' => 'varchar(255) NOT NULL'
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],
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[
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'name' => 'active',
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'definition' => 'boolean NOT NULL'
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],
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[
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'name' => 'description',
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'definition' => 'TEXT NULL'
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],
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[
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'name' => 'created_time',
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'definition' => 'datetime NOT NULL'
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],
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[
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'name' => 'updated_time',
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'definition' => 'datetime NOT NULL'
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]
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],
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'additional' => 'PRIMARY KEY (`id`), UNIQUE KEY `fqdn` (`fqdn`)',
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'table_options' => 'ENGINE=InnoDB DEFAULT CHARSET=utf8'
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],
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'reports' => [
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'columns' => [
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[
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'name' => 'id',
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'definition' => 'int(10) unsigned NOT NULL AUTO_INCREMENT'
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],
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[
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'name' => 'domain_id',
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'definition' => 'int(10) NOT NULL'
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],
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[
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'name' => 'begin_time',
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'definition' => 'datetime NOT NULL'
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],
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[
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'name' => 'end_time',
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'definition' => 'datetime NOT NULL'
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],
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[
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'name' => 'loaded_time',
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'definition' => 'datetime NOT NULL'
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],
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[
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'name' => 'org',
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'definition' => 'varchar(255) NOT NULL'
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],
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[
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'name' => 'external_id',
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'definition' => 'varchar(255) NOT NULL'
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],
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[
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'name' => 'email',
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'definition' => 'varchar(255) NOT NULL'
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],
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[
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'name' => 'extra_contact_info',
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'definition' => 'varchar(255) NULL'
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],
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[
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'name' => 'error_string',
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'definition' => 'text NULL'
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],
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[
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'name' => 'policy_adkim',
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'definition' => 'varchar(20) NULL'
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],
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[
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'name' => 'policy_aspf',
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'definition' => 'varchar(20) NULL'
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],
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[
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'name' => 'policy_p',
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'definition' => 'varchar(20) NULL'
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],
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[
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'name' => 'policy_sp',
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'definition' => 'varchar(20) NULL'
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],
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[
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'name' => 'policy_np',
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'definition' => 'varchar(20) NULL'
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],
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[
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'name' => 'policy_pct',
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'definition' => 'varchar(20) NULL'
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],
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[
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'name' => 'policy_fo',
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'definition' => 'varchar(20) NULL'
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],
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[
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'name' => 'seen',
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'definition' => 'boolean NOT NULL'
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]
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],
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'additional' => 'PRIMARY KEY (`id`),' .
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' UNIQUE KEY `external_id` (`domain_id`, `external_id`),' .
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' KEY (`begin_time`), KEY (`end_time`),' .
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' KEY `org` (`org`, `begin_time`)',
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'table_options' => 'ENGINE=InnoDB DEFAULT CHARSET=utf8'
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],
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'rptrecords' => [
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'columns' => [
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[
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'name' => 'id',
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'definition' => 'int(10) unsigned NOT NULL AUTO_INCREMENT'
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],
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[
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'name' => 'report_id',
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'definition' => 'int(10) unsigned NOT NULL'
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],
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[
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'name' => 'ip',
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'definition' => 'varbinary(16) NOT NULL'
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],
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[
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'name' => 'rcount',
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'definition' => 'int(10) unsigned NOT NULL'
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],
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[
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'name' => 'disposition',
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'definition' => 'tinyint unsigned NOT NULL'
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],
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[
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'name' => 'reason',
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'definition' => 'text NULL'
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],
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[
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'name' => 'dkim_auth',
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'definition' => 'text NULL'
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],
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[
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'name' => 'spf_auth',
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'definition' => 'text NULL'
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],
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[
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'name' => 'dkim_align',
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'definition' => 'tinyint unsigned NOT NULL'
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],
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[
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'name' => 'spf_align',
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'definition' => 'tinyint unsigned NOT NULL'
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],
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[
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'name' => 'envelope_to',
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'definition' => 'varchar(255) NULL'
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],
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[
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'name' => 'envelope_from',
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'definition' => 'varchar(255) NULL'
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],
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[
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'name' => 'header_from',
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'definition' => 'varchar(255) NULL'
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]
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],
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'additional' => 'PRIMARY KEY (`id`), KEY (`report_id`), KEY (`ip`)',
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'table_options' => 'ENGINE=InnoDB DEFAULT CHARSET=utf8'
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],
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'reportlog' => [
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'columns' => [
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[
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'name' => 'id',
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'definition' => 'int(10) unsigned NOT NULL AUTO_INCREMENT'
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],
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[
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'name' => 'domain',
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'definition' => 'varchar(255) NULL'
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],
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[
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'name' => 'external_id',
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'definition' => 'varchar(255) NULL'
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],
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[
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'name' => 'event_time',
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'definition' => 'datetime NOT NULL'
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],
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[
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'name' => 'filename',
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'definition' => 'varchar(255) NULL'
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],
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[
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'name' => 'source',
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'definition' => 'tinyint unsigned NOT NULL'
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],
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[
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'name' => 'success',
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'definition' => 'boolean NOT NULL'
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],
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[
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'name' => 'message',
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'definition' => 'text NULL'
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]
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],
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'additional' => 'PRIMARY KEY (`id`), KEY(`event_time`)',
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'table_options' => 'ENGINE=InnoDB DEFAULT CHARSET=utf8'
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]
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];
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}
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