misuzu/src/Mailer.php

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2022-09-13 13:14:49 +00:00
<?php
namespace Misuzu;
use InvalidArgumentException;
use Symfony\Component\Mime\Email as SymfonyMessage;
use Symfony\Component\Mime\Address as SymfonyAddress;
use Symfony\Component\Mailer\Mailer as SymfonyMailer;
use Symfony\Component\Mailer\Transport as SymfonyTransport;
use Symfony\Component\Mailer\Exception\TransportExceptionInterface;
final class Mailer {
private const TEMPLATE_PATH = MSZ_ROOT . '/config/emails/%s.txt';
private static $dsn = 'null://null';
private static $transport = null;
private static string $senderName = 'Flashii';
private static string $senderAddr = 'sys@flashii.net';
public static function init(string $method, array $config): void {
if($method !== 'smtp') {
self::$dsn = 'null://null';
return;
}
$dsn = $method;
// guess this is applied automatically based on the port?
//if(!empty($config['encryption']))
// $dsn .= 't';
$dsn .= '://';
if(!empty($config['username'])) {
$dsn .= $config['username'];
if(!empty($config['password']))
$dsn .= ':' . $config['password'];
$dsn .= '@';
}
$dsn .= $config['host'] ?? '';
$dsn .= ':';
$dsn .= $config['port'] ?? 25;
self::$dsn = $dsn;
if(!empty($config['sender_name']))
self::$senderName = $config['sender_name'];
if(!empty($config['sender_addr']))
self::$senderAddr = $config['sender_addr'];
}
public static function getTransport() {
if(self::$transport === null)
self::$transport = SymfonyTransport::fromDsn(self::$dsn);
return self::$transport;
}
public static function sendMessage(array $to, string $subject, string $contents, bool $bcc = false): bool {
foreach($to as $email => $name) {
$to = new SymfonyAddress($email, $name);
break;
}
$message = new SymfonyMessage;
$message->from(new SymfonyAddress(
self::$senderAddr,
self::$senderName
));
if($bcc)
$message->bcc($to);
else
$message->to($to);
$message->subject(trim($subject));
$message->text(trim($contents));
try {
self::getTransport()->send($message);
return true;
} catch(TransportExceptionInterface $ex) {
if(MSZ_DEBUG)
throw $ex;
return false;
}
}
public static function template(string $name, array $vars = []): array {
$path = sprintf(self::TEMPLATE_PATH, $name);
if(!is_file($path))
throw new InvalidArgumentException('Invalid e-mail template name.');
$tpl = file_get_contents($path);
// Normalise newlines
$tpl = str_replace("\n", "\r\n", str_replace("\r\n", "\n", $tpl));
foreach($vars as $key => $val)
$tpl = str_replace("%{$key}%", $val, $tpl);
[$subject, $message] = explode("\r\n\r\n", $tpl, 2);
return compact('subject', 'message');
}
}