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MessageApiController.php
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MessageApiController.php
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<?php
declare(strict_types=1);
/**
* SPDX-FileCopyrightText: 2024 Nextcloud GmbH and Nextcloud contributors
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
namespace OCA\Mail\Controller;
use OCA\Mail\Contracts\IDkimService;
use OCA\Mail\Exception\ClientException;
use OCA\Mail\Exception\ServiceException;
use OCA\Mail\Http\TrapError;
use OCA\Mail\IMAP\IMAPClientFactory;
use OCA\Mail\Model\SmimeData;
use OCA\Mail\Service\AccountService;
use OCA\Mail\Service\AliasesService;
use OCA\Mail\Service\Attachment\AttachmentService;
use OCA\Mail\Service\ItineraryService;
use OCA\Mail\Service\MailManager;
use OCA\Mail\Service\OutboxService;
use OCA\Mail\Service\Search\MailSearch;
use OCA\Mail\Service\TrustedSenderService;
use OCP\AppFramework\Db\DoesNotExistException;
use OCP\AppFramework\Http;
use OCP\AppFramework\Http\Attribute\BruteForceProtection;
use OCP\AppFramework\Http\Attribute\NoAdminRequired;
use OCP\AppFramework\Http\Attribute\NoCSRFRequired;
use OCP\AppFramework\Http\DataResponse;
use OCP\AppFramework\OCSController;
use OCP\AppFramework\Utility\ITimeFactory;
use OCP\Files\IMimeTypeDetector;
use OCP\IRequest;
use OCP\IURLGenerator;
use Psr\Log\LoggerInterface;
class MessageApiController extends OCSController {
private ?string $userId;
public function __construct(
string $appName,
?string $userId,
IRequest $request,
private AccountService $accountService,
private AliasesService $aliasesService,
private AttachmentService $attachmentService,
private OutboxService $outboxService,
private MailSearch $mailSearch,
private MailManager $mailManager,
private IMAPClientFactory $clientFactory,
private LoggerInterface $logger,
private ITimeFactory $time,
private IURLGenerator $urlGenerator,
private IMimeTypeDetector $mimeTypeDetector,
private IDkimService $dkimService,
private ItineraryService $itineraryService,
private TrustedSenderService $trustedSenderService,
) {
parent::__construct($appName, $request);
$this->userId = $userId;
}
/**
* @param int $id
* @return DataResponse
*/
#[BruteForceProtection('mailGetMessage')]
#[NoAdminRequired]
#[NoCSRFRequired]
public function get(int $id): DataResponse {
try {
$message = $this->mailManager->getMessage($this->userId, $id);
$mailbox = $this->mailManager->getMailbox($this->userId, $message->getMailboxId());
$account = $this->accountService->find($this->userId, $mailbox->getAccountId());
} catch (ClientException | DoesNotExistException $e) {
$this->logger->error('Message, Account or Mailbox not found', ['exception' => $e->getMessage()]);
return new DataResponse($e, Http::STATUS_FORBIDDEN);
}
$client = $this->clientFactory->getClient($account);
try {
$imapMessage = $this->mailManager->getImapMessage(
$client,
$account,
$mailbox,
$message->getUid(), true
);
$json = $imapMessage->getFullMessage($id);
} catch (ServiceException $e) {
$this->logger->error('Message could not be loaded', ['exception' => $e->getMessage()]);
return new DataResponse($e, Http::STATUS_NOT_FOUND);
} finally {
$client->logout();
}
$itineraries = $this->itineraryService->getCached($account, $mailbox, $message->getUid());
if ($itineraries) {
$json['itineraries'] = $itineraries;
}
$json['attachments'] = array_map(function ($a) use ($id) {
return $this->enrichDownloadUrl(
$id,
$a
);
}, $json['attachments']);
$json['id'] = $message->getId();
$json['isSenderTrusted'] = $this->trustedSenderService->isSenderTrusted($this->userId, $message);
$smimeData = new SmimeData();
$smimeData->setIsEncrypted($message->isEncrypted() || $imapMessage->isEncrypted());
if ($imapMessage->isSigned()) {
$smimeData->setIsSigned(true);
$smimeData->setSignatureIsValid($imapMessage->isSignatureValid());
}
$json['smime'] = $smimeData;
$dkimResult = $this->dkimService->getCached($account, $mailbox, $message->getUid());
if (is_bool($dkimResult)) {
$json['dkimValid'] = $dkimResult;
}
return new DataResponse($json, Http::STATUS_OK);
}
#[BruteForceProtection('mailGetRawMessage')]
#[NoAdminRequired]
#[NoCSRFRequired]
public function getRaw(int $id): DataResponse {
try {
$message = $this->mailManager->getMessage($this->userId, $id);
$mailbox = $this->mailManager->getMailbox($this->userId, $message->getMailboxId());
$account = $this->accountService->find($this->userId, $mailbox->getAccountId());
} catch (ClientException | DoesNotExistException $e) {
$this->logger->error('Message, Account or Mailbox not found', ['exception' => $e->getMessage()]);
return new DataResponse($e, Http::STATUS_FORBIDDEN);
}
$client = $this->clientFactory->getClient($account);
try {
$source = $this->mailManager->getSource(
$client,
$account,
$mailbox->getName(),
$message->getUid()
);
} catch (ServiceException $e) {
$this->logger->error('Message not found on IMAP or mail server went away', ['exception' => $e->getMessage()]);
return new DataResponse($e, Http::STATUS_NOT_FOUND);
} finally {
$client->logout();
}
return new DataResponse($source, Http::STATUS_OK);
}
/**
* @param int $id
* @param array $attachment
*
* @return array
*/
private function enrichDownloadUrl(int $id, array $attachment) {
$downloadUrl = $this->urlGenerator->linkToOCSRouteAbsolute('mail.messageApi.downloadAttachment',
[
'id' => $id,
'attachmentId' => $attachment['id'],
]);
$attachment['downloadUrl'] = $downloadUrl;
return $attachment;
}
#[NoCSRFRequired]
#[NoAdminRequired]
#[TrapError]
public function getAttachment(int $id,
string $attachmentId): DataResponse {
try {
$message = $this->mailManager->getMessage($this->userId, $id);
$mailbox = $this->mailManager->getMailbox($this->userId, $message->getMailboxId());
$account = $this->accountService->find($this->userId, $mailbox->getAccountId());
} catch (DoesNotExistException | ClientException $e) {
return new DataResponse($e, Http::STATUS_FORBIDDEN);
}
try {
$attachment = $this->mailManager->getMailAttachment(
$account,
$mailbox,
$message,
$attachmentId,
);
} catch (\Horde_Imap_Client_Exception_NoSupportExtension | \Horde_Imap_Client_Exception | \Horde_Mime_Exception $e) {
$this->logger->error('Error when trying to process the attachment', ['exception' => $e]);
return new DataResponse($e, Http::STATUS_INTERNAL_SERVER_ERROR);
} catch (ServiceException | DoesNotExistException $e) {
$this->logger->error('Could not find attachment', ['exception' => $e]);
return new DataResponse($e, Http::STATUS_NOT_FOUND);
}
// Body party and embedded messages do not have a name
if ($attachment->getName() === null) {
return new DataResponse([
'name' => $attachmentId . '.eml',
'mime' => $attachment->getType(),
'size' => $attachment->getSize(),
'content' => $attachment->getContent()
]);
}
return new DataResponse([
'name' => $attachment->getName(),
'mime' => $attachment->getType(),
'size' => $attachment->getSize(),
'content' => $attachment->getContent()
]);
}
}