smeserver-dmarc-srg/root/opt/dmarc-srg/classes/Sources/MailboxSource.php

239 lines
6.2 KiB
PHP

<?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 MailboxSource
*
* @category API
* @package DmarcSrg
* @author Aleksey Andreev (liuch)
* @license https://www.gnu.org/licenses/gpl-3.0.html GNU/GPLv3
*/
namespace Liuch\DmarcSrg\Sources;
use Liuch\DmarcSrg\ReportFile\ReportFile;
use Liuch\DmarcSrg\Exception\SoftException;
use Liuch\DmarcSrg\Exception\RuntimeException;
/**
* This class is designed to process report files from an mail box.
*/
class MailboxSource extends Source
{
private $list = null;
private $index = 0;
private $msg = null;
private $params = null;
/**
* Sets parameters that difine the behavior of the source
*
* @param $params Key-value array
* 'when_done' => one or more rules to be executed after successful report processing
* (array|string)
* 'when_failed' => one or more rules to be executed after report processing fails
* (array|string)
*
* @return void
*/
public function setParams(array $params): void
{
$this->params = [];
$this->params['when_done'] = SourceAction::fromSetting(
$params['when_done'] ?? [],
0,
'mark_seen'
);
$this->params['when_failed'] = SourceAction::fromSetting(
$params['when_failed'] ?? [],
0,
'move_to:failed'
);
}
/**
* Returns an instance of the ReportFile class for the current email message.
*
* @return ReportFile
*/
public function current(): object
{
$this->msg = $this->data->message($this->list[$this->index]);
try {
$this->msg->validate();
} catch (SoftException $e) {
throw new SoftException('Incorrect message: ' . $e->getMessage(), $e->getCode());
} catch (RuntimeException $e) {
throw new RuntimeException('Incorrect message', -1, $e);
}
$att = $this->msg->attachment();
return ReportFile::fromStream($att->datastream(), $att->filename(), $att->mimeType());
}
/**
* Returns the index of the currect email message.
*
* @return int
*/
public function key(): int
{
return $this->index;
}
/**
* Moves forward to the next email message
*
* @return void
*/
public function next(): void
{
$this->msg = null;
++$this->index;
}
/**
* Gets a list of unread messages and rewinds the position to the first email message.
*
* @return void
*/
public function rewind(): void
{
$this->msg = null;
$this->list = $this->data->sort(SORTDATE, 'UNSEEN', false);
$this->index = 0;
if (is_null($this->params)) {
$this->setParams([]);
}
}
/**
* Checks if the current postion is valid
*
* @return bool
*/
public function valid(): bool
{
return isset($this->list[$this->index]);
}
/**
* Processes the accepted email messages according to the settings
*
* @return void
*/
public function accepted(): void
{
if ($this->msg) {
$this->processMessageActions($this->params['when_done']);
}
}
/**
* Processes the rejected email messages according to the settings
*
* @return void
*/
public function rejected(): void
{
$this->processMessageActions($this->params['when_failed']);
}
/**
* Returns type of the source.
*
* @return int
*/
public function type(): int
{
return Source::SOURCE_MAILBOX;
}
/**
* Returns the current email message.
*
* @return MailMessage|null
*/
public function mailMessage()
{
return $this->msg;
}
/**
* Processes the current report message according to settings
*
* @param array $actions List of actions to apply to the message
*
* @return void
*/
private function processMessageActions(array &$actions): void
{
foreach ($actions as $sa) {
switch ($sa->type) {
case SourceAction::ACTION_SEEN:
$this->markMessageSeen();
break;
case SourceAction::ACTION_MOVE:
$this->moveMessage($sa->param);
break;
case SourceAction::ACTION_DELETE:
$this->deleteMessage();
break;
}
}
}
/**
* Marks the current report message as seen
*
* @return void
*/
public function markMessageSeen(): void
{
$this->msg->setSeen();
}
/**
* Moves the current report message
*
* @param string $mbox_name Child mailbox name where to move the current message to.
* If the target mailbox does not exists, it will be created.
*
* @return void
*/
private function moveMessage(string $mbox_name): void
{
$this->data->ensureMailbox($mbox_name);
$this->data->moveMessage($this->list[$this->index], $mbox_name);
}
/**
* Deletes the current report message
*
* @return void
*/
private function deleteMessage(): void
{
$this->data->deleteMessage($this->list[$this->index]);
}
}