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<?php
declare(strict_types=1);
/**
* Mail App
*
* @copyright 2022 Anna Larch <anna.larch@gmx.net>
*
* @author Anna Larch <anna.larch@gmx.net>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
* License as published by the Free Software Foundation; either
* version 3 of the License, or any later version.
*
* This library 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 AFFERO GENERAL PUBLIC LICENSE for more details.
*
* You should have received a copy of the GNU Affero General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
*/
namespace OCA\Mail\Service;
use OCA\Mail\Account;
use OCA\Mail\Contracts\ILocalMailboxService;
use OCA\Mail\Contracts\IMailManager;
use OCA\Mail\Contracts\IMailTransmission;
use OCA\Mail\Db\LocalMessage;
use OCA\Mail\Db\LocalMessageMapper;
use OCA\Mail\Db\Recipient;
use OCA\Mail\Events\OutboxMessageCreatedEvent;
use OCA\Mail\Exception\ClientException;
use OCA\Mail\Exception\ServiceException;
use OCA\Mail\IMAP\IMAPClientFactory;
use OCA\Mail\Service\Attachment\AttachmentService;
use OCP\AppFramework\Db\DoesNotExistException;
use OCP\EventDispatcher\IEventDispatcher;
use OCP\AppFramework\Utility\ITimeFactory;
use Psr\Log\LoggerInterface;
use Throwable;
class OutboxService implements ILocalMailboxService {
/** @var IMailTransmission */
private $transmission;
/** @var LocalMessageMapper */
private $mapper;
/** @var AttachmentService */
private $attachmentService;
/** @var IEventDispatcher */
private $eventDispatcher;
/** @var IMAPClientFactory */
private $clientFactory;
/** @var IMailManager */
private $mailManager;
/** @var AccountService */
private $accountService;
/** @var ITimeFactory */
private $timeFactory;
/** @var LoggerInterface */
private $logger;
public function __construct(IMailTransmission $transmission,
LocalMessageMapper $mapper,
AttachmentService $attachmentService,
IEventDispatcher $eventDispatcher,
IMAPClientFactory $clientFactory,
IMailManager $mailManager,
AccountService $accountService,
ITimeFactory $timeFactory,
LoggerInterface $logger) {
$this->transmission = $transmission;
$this->mapper = $mapper;
$this->attachmentService = $attachmentService;
$this->eventDispatcher = $eventDispatcher;
$this->clientFactory = $clientFactory;
$this->mailManager = $mailManager;
$this->timeFactory = $timeFactory;
$this->logger = $logger;
$this->accountService = $accountService;
}
/**
* @param array $recipients
* @param int $type
* @return Recipient[]
*/
private static function convertToRecipient(array $recipients, int $type): array {
return array_map(function ($recipient) use ($type) {
$r = new Recipient();
$r->setType($type);
$r->setLabel($recipient['label'] ?? $recipient['email']);
$r->setEmail($recipient['email']);
return $r;
}, $recipients);
}
/**
* @return LocalMessage[]
*/
public function getMessages(string $userId): array {
return $this->mapper->getAllForUser($userId);
}
/**
* @throws DoesNotExistException
*/
public function getMessage(int $id, string $userId): LocalMessage {
return $this->mapper->findById($id, $userId);
}
public function deleteMessage(string $userId, LocalMessage $message): void {
$this->attachmentService->deleteLocalMessageAttachments($userId, $message->getId());
$this->mapper->deleteWithRecipients($message);
}
public function sendMessage(LocalMessage $message, Account $account): void {
try {
$this->transmission->sendLocalMessage($account, $message);
} catch (ClientException|ServiceException $e) {
// Mark as failed so the message is not sent repeatedly in background
$message->setFailed(true);
$this->mapper->update($message);
throw $e;
}
$this->attachmentService->deleteLocalMessageAttachments($account->getUserId(), $message->getId());
$this->mapper->deleteWithRecipients($message);
}
public function saveMessage(Account $account, LocalMessage $message, array $to, array $cc, array $bcc, array $attachments = []): LocalMessage {
$toRecipients = self::convertToRecipient($to, Recipient::TYPE_TO);
$ccRecipients = self::convertToRecipient($cc, Recipient::TYPE_CC);
$bccRecipients = self::convertToRecipient($bcc, Recipient::TYPE_BCC);
$message = $this->mapper->saveWithRecipients($message, $toRecipients, $ccRecipients, $bccRecipients);
$client = $this->clientFactory->getClient($account);
try {
$attachmentIds = $this->attachmentService->handleAttachments($account, $attachments, $client);
} finally {
$client->logout();
}
$message->setAttachments($this->attachmentService->saveLocalMessageAttachments($account->getUserId(), $message->getId(), $attachmentIds));
return $message;
}
public function updateMessage(Account $account, LocalMessage $message, array $to, array $cc, array $bcc, array $attachments = []): LocalMessage {
$toRecipients = self::convertToRecipient($to, Recipient::TYPE_TO);
$ccRecipients = self::convertToRecipient($cc, Recipient::TYPE_CC);
$bccRecipients = self::convertToRecipient($bcc, Recipient::TYPE_BCC);
$message = $this->mapper->updateWithRecipients($message, $toRecipients, $ccRecipients, $bccRecipients);
$client = $this->clientFactory->getClient($account);
try {
$attachmentIds = $this->attachmentService->handleAttachments($account, $attachments, $client);
} finally {
$client->logout();
}
$message->setAttachments($this->attachmentService->updateLocalMessageAttachments($account->getUserId(), $message, $attachmentIds));
return $message;
}
public function handleDraft(Account $account, int $draftId): void {
$message = $this->mailManager->getMessage($account->getUserId(), $draftId);
$this->eventDispatcher->dispatch(
OutboxMessageCreatedEvent::class,
new OutboxMessageCreatedEvent($account, $message)
);
}
public function flush(): void {
$messages = $this->mapper->findDue(
$this->timeFactory->getTime()
);
if (empty($messages)) {
return;
}
$accountIds = array_unique(array_map(function ($message) {
return $message->getAccountId();
}, $messages));
$accounts = array_combine($accountIds, array_map(function ($accountId) {
try {
return $this->accountService->findById($accountId);
} catch (DoesNotExistException $e) {
// The message belongs to a deleted account
return null;
}
}, $accountIds));
foreach ($messages as $message) {
try {
$account = $accounts[$message->getAccountId()];
if ($account === null) {
// Ignore message of non-existent account
continue;
}
$this->sendMessage(
$message,
$account,
);
$this->logger->debug('Outbox message {id} sent', [
'id' => $message->getId(),
]);
} catch (Throwable $e) {
// Failure of one message should not stop sending other messages
// Log and continue
$this->logger->warning('Could not send outbox message {id}: ' . $e->getMessage(), [
'id' => $message->getId(),
'exception' => $e,
]);
}
}
}
}
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