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File Content: DSNConfigurator.php

<?php

/**
 * PHPMailer - PHP email creation and transport class.
 * PHP Version 5.5.
 *
 * @see https://github.com/PHPMailer/PHPMailer/ The PHPMailer GitHub project
 *
 * @author    Marcus Bointon (Synchro/coolbru) <phpmailer@synchromedia.co.uk>
 * @author    Jim Jagielski (jimjag) <jimjag@gmail.com>
 * @author    Andy Prevost (codeworxtech) <codeworxtech@users.sourceforge.net>
 * @author    Brent R. Matzelle (original founder)
 * @copyright 2012 - 2023 Marcus Bointon
 * @copyright 2010 - 2012 Jim Jagielski
 * @copyright 2004 - 2009 Andy Prevost
 * @license   https://www.gnu.org/licenses/old-licenses/lgpl-2.1.html GNU Lesser General Public License
 * @note      This program is distributed in the hope that it will be useful - WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.
 */

namespace PHPMailer\PHPMailer;

/**
 * Configure PHPMailer with DSN string.
 *
 * @see https://en.wikipedia.org/wiki/Data_source_name
 *
 * @author Oleg Voronkovich <oleg-voronkovich@yandex.ru>
 */
class DSNConfigurator
{
    /**
     * Create new PHPMailer instance configured by DSN.
     *
     * @param string $dsn        DSN
     * @param bool   $exceptions Should we throw external exceptions?
     *
     * @return PHPMailer
     */
    public static function mailer($dsn, $exceptions = null)
    {
        static $configurator = null;

if (null === $configurator) {
            $configurator = new DSNConfigurator();
        }

return $configurator->configure(new PHPMailer($exceptions), $dsn);
    }

/**
     * Configure PHPMailer instance with DSN string.
     *
     * @param PHPMailer $mailer PHPMailer instance
     * @param string    $dsn    DSN
     *
     * @return PHPMailer
     */
    public function configure(PHPMailer $mailer, $dsn)
    {
        $config = $this->parseDSN($dsn);

$this->applyConfig($mailer, $config);

return $mailer;
    }

/**
     * Parse DSN string.
     *
     * @param string $dsn DSN
     *
     * @throws Exception If DSN is malformed
     *
     * @return array Configuration
     */
    private function parseDSN($dsn)
    {
        $config = $this->parseUrl($dsn);

if (false === $config || !isset($config['scheme']) || !isset($config['host'])) {
            throw new Exception('Malformed DSN');
        }

if (isset($config['query'])) {
            parse_str($config['query'], $config['query']);
        }

return $config;
    }

/**
     * Apply configuration to mailer.
     *
     * @param PHPMailer $mailer PHPMailer instance
     * @param array     $config Configuration
     *
     * @throws Exception If scheme is invalid
     */
    private function applyConfig(PHPMailer $mailer, $config)
    {
        switch ($config['scheme']) {
            case 'mail':
                $mailer->isMail();
                break;
            case 'sendmail':
                $mailer->isSendmail();
                break;
            case 'qmail':
                $mailer->isQmail();
                break;
            case 'smtp':
            case 'smtps':
                $mailer->isSMTP();
                $this->configureSMTP($mailer, $config);
                break;
            default:
                throw new Exception(
                    sprintf(
                        'Invalid scheme: "%s". Allowed values: "mail", "sendmail", "qmail", "smtp", "smtps".',
                        $config['scheme']
                    )
                );
        }

if (isset($config['query'])) {
            $this->configureOptions($mailer, $config['query']);
        }
    }

/**
     * Configure SMTP.
     *
     * @param PHPMailer $mailer PHPMailer instance
     * @param array     $config Configuration
     */
    private function configureSMTP($mailer, $config)
    {
        $isSMTPS = 'smtps' === $config['scheme'];

if ($isSMTPS) {
            $mailer->SMTPSecure = PHPMailer::ENCRYPTION_STARTTLS;
        }

$mailer->Host = $config['host'];

if (isset($config['port'])) {
            $mailer->Port = $config['port'];
        } elseif ($isSMTPS) {
            $mailer->Port = SMTP::DEFAULT_SECURE_PORT;
        }

$mailer->SMTPAuth = isset($config['user']) || isset($config['pass']);

if (isset($config['user'])) {
            $mailer->Username = $config['user'];
        }

if (isset($config['pass'])) {
            $mailer->Password = $config['pass'];
        }
    }

/**
     * Configure options.
     *
     * @param PHPMailer $mailer  PHPMailer instance
     * @param array     $options Options
     *
     * @throws Exception If option is unknown
     */
    private function configureOptions(PHPMailer $mailer, $options)
    {
        $allowedOptions = get_object_vars($mailer);

unset($allowedOptions['Mailer']);
        unset($allowedOptions['SMTPAuth']);
        unset($allowedOptions['Username']);
        unset($allowedOptions['Password']);
        unset($allowedOptions['Hostname']);
        unset($allowedOptions['Port']);
        unset($allowedOptions['ErrorInfo']);

$allowedOptions = \array_keys($allowedOptions);

foreach ($options as $key => $value) {
            if (!in_array($key, $allowedOptions)) {
                throw new Exception(
                    sprintf(
                        'Unknown option: "%s". Allowed values: "%s"',
                        $key,
                        implode('", "', $allowedOptions)
                    )
                );
            }

switch ($key) {
                case 'AllowEmpty':
                case 'SMTPAutoTLS':
                case 'SMTPKeepAlive':
                case 'SingleTo':
                case 'UseSendmailOptions':
                case 'do_verp':
                case 'DKIM_copyHeaderFields':
                    $mailer->$key = (bool) $value;
                    break;
                case 'Priority':
                case 'SMTPDebug':
                case 'WordWrap':
                    $mailer->$key = (int) $value;
                    break;
                default:
                    $mailer->$key = $value;
                    break;
            }
        }
    }

/**
     * Parse a URL.
     * Wrapper for the built-in parse_url function to work around a bug in PHP 5.5.
     *
     * @param string $url URL
     *
     * @return array|false
     */
    protected function parseUrl($url)
    {
        if (\PHP_VERSION_ID >= 50600 || false === strpos($url, '?')) {
            return parse_url($url);
        }

$chunks = explode('?', $url);
        if (is_array($chunks)) {
            $result = parse_url($chunks[0]);
            if (is_array($result)) {
                $result['query'] = $chunks[1];
            }
            return $result;
        }

return false;
    }
}

Name	Size	Permission
DSNConfigurator.php	6883 bytes	0644
Exception.php	1256 bytes	0644
OAuth.php	3791 bytes	0644
OAuthTokenProvider.php	1538 bytes	0644
PHPMailer.php	191033 bytes	0644
POP3.php	12351 bytes	0644
SMTP.php	52484 bytes	0644