smeserver-dmarc-srg/root/opt/dmarc-srg/classes/Directories/Directory.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) 2020 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 class Directory
*
* @category API
* @package DmarcSrg
* @author Aleksey Andreev (liuch)
* @license https://www.gnu.org/licenses/gpl-3.0.html GNU/GPLv3
*/
namespace Liuch\DmarcSrg\Directories;
use Liuch\DmarcSrg\ErrorHandler;
use Liuch\DmarcSrg\Exception\SoftException;
use Liuch\DmarcSrg\Exception\LogicException;
use Liuch\DmarcSrg\Exception\RuntimeException;
/**
* This class is designed to work with the report directories which are listed in the configuration file.
*/
class Directory
{
private $id = null;
private $name = null;
private $location = null;
/**
* It's the constructor of the class
*
* @param int $id Id of the directory. In fact, it is a serial number in the configuration file.
* @param array $data An array with the following fields:
* `location` (string) - Location of the directory in the file system.
* `name` (string) - Name of the directory. It is optional.
*
* @return void
*/
public function __construct(int $id, array $data)
{
if (isset($data['name']) && gettype($data['name']) !== 'string') {
throw new LogicException('Directory name must be either null or a string value');
}
if (!isset($data['location']) || gettype($data['location']) !== 'string') {
throw new LogicException('Directory location must be a string value');
}
if (empty($data['location'])) {
throw new LogicException('Directory location must not be an empty string');
}
$this->id = $id;
$this->name = $data['name'] ?? null;
$this->location = $data['location'];
if (empty($this->name)) {
$this->name = 'Directory ' . $this->id;
}
if (substr($this->location, -1) !== '/') {
$this->location .= '/';
}
}
/**
* Returns an array with directory configuration data.
*
* @return array
*/
public function toArray(): array
{
return [
'id' => $this->id,
'name' => $this->name,
'location' => $this->location
];
}
/**
* Checks the existence and accessibility of the directory. Returns the result as an array.
*
* @return array
*/
public function check(): array
{
try {
self::checkPath($this->location, true);
self::checkPath($this->location . 'failed/', false);
} catch (RuntimeException $e) {
return ErrorHandler::exceptionResult($e);
}
return [
'error_code' => 0,
'message' => 'Successfully',
'status' => [
'files' => $this->count()
]
];
}
/**
* Returns the total number of files in the directory.
*
* @return int
*/
public function count(): int
{
$cnt = 0;
try {
$fs = new \FilesystemIterator($this->location);
} catch (\Exception $e) {
throw new RuntimeException("Error accessing directory {$this->location}", -1, $e);
}
foreach ($fs as $entry) {
if ($entry->isFile()) {
++$cnt;
}
}
return $cnt;
}
/**
* Checks accessibility of a directory by its path. Throws an exception in case of any error.
*
* @param string $path Path to the directory to check.
* @param bool $existence If true, the absence of the directory causes an error.
*
* @return void
*/
private static function checkPath(string $path, bool $existence): void
{
if (!file_exists($path)) {
if ($existence) {
throw new SoftException($path . ' directory does not exist!');
}
return;
}
if (!is_dir($path)) {
throw new SoftException($path . ' is not a directory!');
}
if (!is_readable($path)) {
throw new SoftException($path . ' directory is not readable!');
}
if (!is_writable($path)) {
throw new SoftException($path . ' directory is not writable!');
}
}
}