Symfony Profiler

<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Mailer;
use Psr\Log\LoggerInterface;
use Symfony\Component\Mailer\Bridge\Amazon\Transport\SesTransportFactory;
use Symfony\Component\Mailer\Bridge\Google\Transport\GmailTransportFactory;
use Symfony\Component\Mailer\Bridge\Mailchimp\Transport\MandrillTransportFactory;
use Symfony\Component\Mailer\Bridge\Mailgun\Transport\MailgunTransportFactory;
use Symfony\Component\Mailer\Bridge\Postmark\Transport\PostmarkTransportFactory;
use Symfony\Component\Mailer\Bridge\Sendgrid\Transport\SendgridTransportFactory;
use Symfony\Component\Mailer\Exception\InvalidArgumentException;
use Symfony\Component\Mailer\Exception\UnsupportedSchemeException;
use Symfony\Component\Mailer\Transport\Dsn;
use Symfony\Component\Mailer\Transport\FailoverTransport;
use Symfony\Component\Mailer\Transport\NullTransportFactory;
use Symfony\Component\Mailer\Transport\RoundRobinTransport;
use Symfony\Component\Mailer\Transport\SendmailTransportFactory;
use Symfony\Component\Mailer\Transport\Smtp\EsmtpTransportFactory;
use Symfony\Component\Mailer\Transport\TransportFactoryInterface;
use Symfony\Component\Mailer\Transport\TransportInterface;
use Symfony\Component\Mailer\Transport\Transports;
use Symfony\Contracts\EventDispatcher\EventDispatcherInterface;
use Symfony\Contracts\HttpClient\HttpClientInterface;
/**
* @author Fabien Potencier <fabien@symfony.com>
* @author Konstantin Myakshin <molodchick@gmail.com>
*/
class Transport
{
private const FACTORY_CLASSES = [
SesTransportFactory::class,
GmailTransportFactory::class,
MandrillTransportFactory::class,
MailgunTransportFactory::class,
PostmarkTransportFactory::class,
SendgridTransportFactory::class,
];
private $factories;
public static function fromDsn(string $dsn, EventDispatcherInterface $dispatcher = null, HttpClientInterface $client = null, LoggerInterface $logger = null): TransportInterface
{
$factory = new self(iterator_to_array(self::getDefaultFactories($dispatcher, $client, $logger)));
return $factory->fromString($dsn);
}
public static function fromDsns(array $dsns, EventDispatcherInterface $dispatcher = null, HttpClientInterface $client = null, LoggerInterface $logger = null): TransportInterface
{
$factory = new self(iterator_to_array(self::getDefaultFactories($dispatcher, $client, $logger)));
return $factory->fromStrings($dsns);
}
/**
* @param TransportFactoryInterface[] $factories
*/
public function __construct(iterable $factories)
{
$this->factories = $factories;
}
public function fromStrings(array $dsns): Transports
{
$transports = [];
foreach ($dsns as $name => $dsn) {
$transports[$name] = $this->fromString($dsn);
}
return new Transports($transports);
}
public function fromString(string $dsn): TransportInterface
{
list($transport, $offset) = $this->parseDsn($dsn);
if ($offset !== \strlen($dsn)) {
throw new InvalidArgumentException(sprintf('The DSN has some garbage at the end: "%s".', substr($dsn, $offset)));
}
return $transport;
}
private function parseDsn(string $dsn, int $offset = 0): array
{
static $keywords = [
'failover' => FailoverTransport::class,
'roundrobin' => RoundRobinTransport::class,
];
while (true) {
foreach ($keywords as $name => $class) {
$name .= '(';
if ($name === substr($dsn, $offset, \strlen($name))) {
$offset += \strlen($name) - 1;
preg_match('{$([^()]|(?R))*$}A', $dsn, $matches, 0, $offset);
if (!isset($matches[0])) {
continue;
}
++$offset;
$args = [];
while (true) {
list($arg, $offset) = $this->parseDsn($dsn, $offset);
$args[] = $arg;
if (\strlen($dsn) === $offset) {
break;
}
++$offset;
if (')' === $dsn[$offset - 1]) {
break;
}
}
return [new $class($args), $offset];
}
}
if (preg_match('{(\w+)\(}A', $dsn, $matches, 0, $offset)) {
throw new InvalidArgumentException(sprintf('The "%s" keyword is not valid (valid ones are "%s"), ', $matches[1], implode('", "', array_keys($keywords))));
}
if ($pos = strcspn($dsn, ' )', $offset)) {
return [$this->fromDsnObject(Dsn::fromString(substr($dsn, $offset, $pos))), $offset + $pos];
}
return [$this->fromDsnObject(Dsn::fromString(substr($dsn, $offset))), \strlen($dsn)];
}
}
public function fromDsnObject(Dsn $dsn): TransportInterface
{
foreach ($this->factories as $factory) {
if ($factory->supports($dsn)) {
return $factory->create($dsn);
}
}
throw new UnsupportedSchemeException($dsn);
}
private static function getDefaultFactories(EventDispatcherInterface $dispatcher = null, HttpClientInterface $client = null, LoggerInterface $logger = null): iterable
{
foreach (self::FACTORY_CLASSES as $factoryClass) {
if (class_exists($factoryClass)) {
yield new $factoryClass($dispatcher, $client, $logger);
}
}
yield new NullTransportFactory($dispatcher, $client, $logger);
yield new SendmailTransportFactory($dispatcher, $client, $logger);
yield new EsmtpTransportFactory($dispatcher, $client, $logger);
}
}

vendor/symfony/mailer/Transport.php line 134