<?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\EventDispatcher\EventDispatcherInterface;
use Psr\Log\LoggerInterface;
use Symfony\Component\Mailer\Bridge\Amazon\Transport\SesTransportFactory;
use Symfony\Component\Mailer\Bridge\Azure\Transport\AzureTransportFactory;
use Symfony\Component\Mailer\Bridge\Brevo\Transport\BrevoTransportFactory;
use Symfony\Component\Mailer\Bridge\Google\Transport\GmailTransportFactory;
use Symfony\Component\Mailer\Bridge\Infobip\Transport\InfobipTransportFactory;
use Symfony\Component\Mailer\Bridge\Mailchimp\Transport\MandrillTransportFactory;
use Symfony\Component\Mailer\Bridge\MailerSend\Transport\MailerSendTransportFactory;
use Symfony\Component\Mailer\Bridge\Mailgun\Transport\MailgunTransportFactory;
use Symfony\Component\Mailer\Bridge\Mailjet\Transport\MailjetTransportFactory;
use Symfony\Component\Mailer\Bridge\MailPace\Transport\MailPaceTransportFactory;
use Symfony\Component\Mailer\Bridge\Postmark\Transport\PostmarkTransportFactory;
use Symfony\Component\Mailer\Bridge\Resend\Transport\ResendTransportFactory;
use Symfony\Component\Mailer\Bridge\Scaleway\Transport\ScalewayTransportFactory;
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\NativeTransportFactory;
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\HttpClient\HttpClientInterface;

/**
 * @author Fabien Potencier <fabien@symfony.com>
 * @author Konstantin Myakshin <molodchick@gmail.com>
 */
final class Transport
{
    private const FACTORY_CLASSES = [
        AzureTransportFactory::class,
        BrevoTransportFactory::class,
        GmailTransportFactory::class,
        InfobipTransportFactory::class,
        MailerSendTransportFactory::class,
        MailgunTransportFactory::class,
        MailjetTransportFactory::class,
        MailPaceTransportFactory::class,
        MandrillTransportFactory::class,
        PostmarkTransportFactory::class,
        ResendTransportFactory::class,
        ScalewayTransportFactory::class,
        SendgridTransportFactory::class,
        SesTransportFactory::class,
    ];

    private iterable $factories;

    public static function fromDsn(#[\SensitiveParameter] 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(#[\SensitiveParameter] 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(#[\SensitiveParameter] array $dsns): Transports
    {
        $transports = [];
        foreach ($dsns as $name => $dsn) {
            $transports[$name] = $this->fromString($dsn);
        }

        return new Transports($transports);
    }

    public function fromString(#[\SensitiveParameter] string $dsn): TransportInterface
    {
        [$transport, $offset] = $this->parseDsn($dsn);
        if ($offset !== \strlen($dsn)) {
            throw new InvalidArgumentException('The mailer DSN has some garbage at the end.');
        }

        return $transport;
    }

    private function parseDsn(#[\SensitiveParameter] 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;
                    $args = [];
                    while (true) {
                        [$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);
    }

    /**
     * @return \Traversable<int, TransportFactoryInterface>
     */
    public static function getDefaultFactories(?EventDispatcherInterface $dispatcher = null, ?HttpClientInterface $client = null, ?LoggerInterface $logger = null): \Traversable
    {
        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);

        yield new NativeTransportFactory($dispatcher, $client, $logger);
    }
}

.NET Framework

Project Request

ProjectC

Vehicle Maintenance

Movie Navigator

Customers Exchange

ATM

.NET Core

Mail Daemon

Custom

Buns of code

PHP

Mediabox

Loan Castle

Content Management

Laravel

Phone Check

Frontend

Forex Wall

Business projects

Certification Center

Amerikas Auto

Pet projects

Geolocation Assistant

Web Dynamics

Blackball

Good old times

DOS Clock

BrainOut

Airport Administrator

Atomizer

Mediabox