nextcloud/lib/private/Mail/Mailer.php
Julius Härtl 856b7a210e Do not use the instance name as user part of from mail addresses
This will cause issues since the theming name can contain characters
that are not allowed in the local part of the mail address (like spaces)

Signed-off-by: Julius Härtl <jus@bitgrid.net>
2020-03-13 10:48:51 +00:00

305 lines
8.8 KiB
PHP

<?php
declare(strict_types=1);
/**
* @copyright Copyright (c) 2016, ownCloud, Inc.
*
* @author Branko Kokanovic <branko@kokanovic.org>
* @author Carsten Wiedmann <carsten_sttgt@gmx.de>
* @author Jared Boone <jared.boone@gmail.com>
* @author Joas Schilling <coding@schilljs.com>
* @author Lukas Reschke <lukas@statuscode.ch>
* @author Morris Jobke <hey@morrisjobke.de>
* @author Roeland Jago Douma <roeland@famdouma.nl>
*
* @license AGPL-3.0
*
* This code is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License, version 3,
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/
namespace OC\Mail;
use Egulias\EmailValidator\EmailValidator;
use Egulias\EmailValidator\Validation\RFCValidation;
use OCP\Defaults;
use OCP\IConfig;
use OCP\IL10N;
use OCP\ILogger;
use OCP\IURLGenerator;
use OCP\Mail\IAttachment;
use OCP\Mail\IEMailTemplate;
use OCP\Mail\IMailer;
use OCP\Mail\IMessage;
/**
* Class Mailer provides some basic functions to create a mail message that can be used in combination with
* \OC\Mail\Message.
*
* Example usage:
*
* $mailer = \OC::$server->getMailer();
* $message = $mailer->createMessage();
* $message->setSubject('Your Subject');
* $message->setFrom(array('cloud@domain.org' => 'ownCloud Notifier');
* $message->setTo(array('recipient@domain.org' => 'Recipient');
* $message->setBody('The message text');
* $mailer->send($message);
*
* This message can then be passed to send() of \OC\Mail\Mailer
*
* @package OC\Mail
*/
class Mailer implements IMailer {
/** @var \Swift_Mailer Cached mailer */
private $instance = null;
/** @var IConfig */
private $config;
/** @var ILogger */
private $logger;
/** @var Defaults */
private $defaults;
/** @var IURLGenerator */
private $urlGenerator;
/** @var IL10N */
private $l10n;
/**
* @param IConfig $config
* @param ILogger $logger
* @param Defaults $defaults
* @param IURLGenerator $urlGenerator
* @param IL10N $l10n
*/
public function __construct(IConfig $config,
ILogger $logger,
Defaults $defaults,
IURLGenerator $urlGenerator,
IL10N $l10n) {
$this->config = $config;
$this->logger = $logger;
$this->defaults = $defaults;
$this->urlGenerator = $urlGenerator;
$this->l10n = $l10n;
}
/**
* Creates a new message object that can be passed to send()
*
* @return IMessage
*/
public function createMessage(): IMessage {
$plainTextOnly = $this->config->getSystemValue('mail_send_plaintext_only', false);
return new Message(new \Swift_Message(), $plainTextOnly);
}
/**
* @param string|null $data
* @param string|null $filename
* @param string|null $contentType
* @return IAttachment
* @since 13.0.0
*/
public function createAttachment($data = null, $filename = null, $contentType = null): IAttachment {
return new Attachment(new \Swift_Attachment($data, $filename, $contentType));
}
/**
* @param string $path
* @param string|null $contentType
* @return IAttachment
* @since 13.0.0
*/
public function createAttachmentFromPath(string $path, $contentType = null): IAttachment {
return new Attachment(\Swift_Attachment::fromPath($path, $contentType));
}
/**
* Creates a new email template object
*
* @param string $emailId
* @param array $data
* @return IEMailTemplate
* @since 12.0.0
*/
public function createEMailTemplate(string $emailId, array $data = []): IEMailTemplate {
$class = $this->config->getSystemValue('mail_template_class', '');
if ($class !== '' && class_exists($class) && is_a($class, EMailTemplate::class, true)) {
return new $class(
$this->defaults,
$this->urlGenerator,
$this->l10n,
$emailId,
$data
);
}
return new EMailTemplate(
$this->defaults,
$this->urlGenerator,
$this->l10n,
$emailId,
$data
);
}
/**
* Send the specified message. Also sets the from address to the value defined in config.php
* if no-one has been passed.
*
* @param IMessage|Message $message Message to send
* @return string[] Array with failed recipients. Be aware that this depends on the used mail backend and
* therefore should be considered
* @throws \Exception In case it was not possible to send the message. (for example if an invalid mail address
* has been supplied.)
*/
public function send(IMessage $message): array {
$debugMode = $this->config->getSystemValue('mail_smtpdebug', false);
if (empty($message->getFrom())) {
$message->setFrom([\OCP\Util::getDefaultEmailAddress('no-reply') => $this->defaults->getName()]);
}
$failedRecipients = [];
$mailer = $this->getInstance();
// Enable logger if debug mode is enabled
if($debugMode) {
$mailLogger = new \Swift_Plugins_Loggers_ArrayLogger();
$mailer->registerPlugin(new \Swift_Plugins_LoggerPlugin($mailLogger));
}
$mailer->send($message->getSwiftMessage(), $failedRecipients);
// Debugging logging
$logMessage = sprintf('Sent mail to "%s" with subject "%s"', print_r($message->getTo(), true), $message->getSubject());
$this->logger->debug($logMessage, ['app' => 'core']);
if($debugMode && isset($mailLogger)) {
$this->logger->debug($mailLogger->dump(), ['app' => 'core']);
}
return $failedRecipients;
}
/**
* Checks if an e-mail address is valid
*
* @param string $email Email address to be validated
* @return bool True if the mail address is valid, false otherwise
*/
public function validateMailAddress(string $email): bool {
$validator = new EmailValidator();
$validation = new RFCValidation();
return $validator->isValid($this->convertEmail($email), $validation);
}
/**
* SwiftMailer does currently not work with IDN domains, this function therefore converts the domains
*
* FIXME: Remove this once SwiftMailer supports IDN
*
* @param string $email
* @return string Converted mail address if `idn_to_ascii` exists
*/
protected function convertEmail(string $email): string {
if (!function_exists('idn_to_ascii') || !defined('INTL_IDNA_VARIANT_UTS46') || strpos($email, '@') === false) {
return $email;
}
list($name, $domain) = explode('@', $email, 2);
$domain = idn_to_ascii($domain, 0,INTL_IDNA_VARIANT_UTS46);
return $name.'@'.$domain;
}
protected function getInstance(): \Swift_Mailer {
if (!is_null($this->instance)) {
return $this->instance;
}
$transport = null;
switch ($this->config->getSystemValue('mail_smtpmode', 'smtp')) {
case 'sendmail':
$transport = $this->getSendMailInstance();
break;
case 'smtp':
default:
$transport = $this->getSmtpInstance();
break;
}
return new \Swift_Mailer($transport);
}
/**
* Returns the SMTP transport
*
* @return \Swift_SmtpTransport
*/
protected function getSmtpInstance(): \Swift_SmtpTransport {
$transport = new \Swift_SmtpTransport();
$transport->setTimeout($this->config->getSystemValue('mail_smtptimeout', 10));
$transport->setHost($this->config->getSystemValue('mail_smtphost', '127.0.0.1'));
$transport->setPort($this->config->getSystemValue('mail_smtpport', 25));
if ($this->config->getSystemValue('mail_smtpauth', false)) {
$transport->setUsername($this->config->getSystemValue('mail_smtpname', ''));
$transport->setPassword($this->config->getSystemValue('mail_smtppassword', ''));
$transport->setAuthMode($this->config->getSystemValue('mail_smtpauthtype', 'LOGIN'));
}
$smtpSecurity = $this->config->getSystemValue('mail_smtpsecure', '');
if (!empty($smtpSecurity)) {
$transport->setEncryption($smtpSecurity);
}
$streamingOptions = $this->config->getSystemValue('mail_smtpstreamoptions', []);
if (is_array($streamingOptions) && !empty($streamingOptions)) {
$transport->setStreamOptions($streamingOptions);
}
return $transport;
}
/**
* Returns the sendmail transport
*
* @return \Swift_SendmailTransport
*/
protected function getSendMailInstance(): \Swift_SendmailTransport {
switch ($this->config->getSystemValue('mail_smtpmode', 'smtp')) {
case 'qmail':
$binaryPath = '/var/qmail/bin/sendmail';
break;
default:
$sendmail = \OC_Helper::findBinaryPath('sendmail');
if ($sendmail === null) {
$sendmail = '/usr/sbin/sendmail';
}
$binaryPath = $sendmail;
break;
}
switch ($this->config->getSystemValue('mail_sendmailmode', 'smtp')) {
case 'pipe':
$binaryParam = ' -t';
break;
default:
$binaryParam = ' -bs';
break;
}
return new \Swift_SendmailTransport($binaryPath . $binaryParam);
}
}