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/**
 * fsockopen HTTP transport
 *
 * @package Requests\Transport
 */

namespace WpOrg\Requests\Transport;

use WpOrg\Requests\Capability;
use WpOrg\Requests\Exception;
use WpOrg\Requests\Exception\InvalidArgument;
use WpOrg\Requests\Port;
use WpOrg\Requests\Requests;
use WpOrg\Requests\Ssl;
use WpOrg\Requests\Transport;
use WpOrg\Requests\Utility\CaseInsensitiveDictionary;
use WpOrg\Requests\Utility\InputValidator;

/**
 * fsockopen HTTP transport
 *
 * @package Requests\Transport
 */
final class Fsockopen implements Transport {
	/**
	 * Second to microsecond conversion
	 *
	 * @var integer
	 */
	const SECOND_IN_MICROSECONDS = 1000000;

	/**
	 * Raw HTTP data
	 *
	 * @var string
	 */
	public $headers = '';

	/**
	 * Stream metadata
	 *
	 * @var array Associative array of properties, see {@link https://www.php.net/stream_get_meta_data}
	 */
	public $info;

	/**
	 * What's the maximum number of bytes we should keep?
	 *
	 * @var int|bool Byte count, or false if no limit.
	 */
	private $max_bytes = false;

	/**
	 * Cache for received connection errors.
	 *
	 * @var string
	 */
	private $connect_error = '';

	/**
	 * Perform a request
	 *
	 * @param string|Stringable $url URL to request
	 * @param array $headers Associative array of request headers
	 * @param string|array $data Data to send either as the POST body, or as parameters in the URL for a GET/HEAD
	 * @param array $options Request options, see {@see \WpOrg\Requests\Requests::response()} for documentation
	 * @return string Raw HTTP result
	 *
	 * @throws \WpOrg\Requests\Exception\InvalidArgument When the passed $url argument is not a string or Stringable.
	 * @throws \WpOrg\Requests\Exception\InvalidArgument When the passed $headers argument is not an array.
	 * @throws \WpOrg\Requests\Exception\InvalidArgument When the passed $data parameter is not an array or string.
	 * @throws \WpOrg\Requests\Exception\InvalidArgument When the passed $options argument is not an array.
	 * @throws \WpOrg\Requests\Exception       On failure to connect to socket (`fsockopenerror`)
	 * @throws \WpOrg\Requests\Exception       On socket timeout (`timeout`)
	 */
	public function request($url, $headers = [], $data = [], $options = []) {
		if (InputValidator::is_string_or_stringable($url) === false) {
			throw InvalidArgument::create(1, '$url', 'string|Stringable', gettype($url));
		}

		if (is_array($headers) === false) {
			throw InvalidArgument::create(2, '$headers', 'array', gettype($headers));
		}

		if (!is_array($data) && !is_string($data)) {
			if ($data === null) {
				$data = '';
			} else {
				throw InvalidArgument::create(3, '$data', 'array|string', gettype($data));
			}
		}

		if (is_array($options) === false) {
			throw InvalidArgument::create(4, '$options', 'array', gettype($options));
		}

		$options['hooks']->dispatch('fsockopen.before_request');

		$url_parts = parse_url($url);
		if (empty($url_parts)) {
			throw new Exception('Invalid URL.', 'invalidurl', $url);
		}

		$host                     = $url_parts['host'];
		$context                  = stream_context_create();
		$verifyname               = false;
		$case_insensitive_headers = new CaseInsensitiveDictionary($headers);

		// HTTPS support
		if (isset($url_parts['scheme']) && strtolower($url_parts['scheme']) === 'https') {
			$remote_socket = 'ssl://' . $host;
			if (!isset($url_parts['port'])) {
				$url_parts['port'] = Port::HTTPS;
			}

			$context_options = [
				'verify_peer'       => true,
				'capture_peer_cert' => true,
			];
			$verifyname      = true;

			// SNI, if enabled (OpenSSL >=0.9.8j)
			// phpcs:ignore PHPCompatibility.Constants.NewConstants.openssl_tlsext_server_nameFound
			if (defined('OPENSSL_TLSEXT_SERVER_NAME') && OPENSSL_TLSEXT_SERVER_NAME) {
				$context_options['SNI_enabled'] = true;
				if (isset($options['verifyname']) && $options['verifyname'] === false) {
					$context_options['SNI_enabled'] = false;
				}
			}

			if (isset($options['verify'])) {
				if ($options['verify'] === false) {
					$context_options['verify_peer']      = false;
					$context_options['verify_peer_name'] = false;
					$verifyname                          = false;
				} elseif (is_string($options['verify'])) {
					$context_options['cafile'] = $options['verify'];
				}
			}

			if (isset($options['verifyname']) && $options['verifyname'] === false) {
				$context_options['verify_peer_name'] = false;
				$verifyname                          = false;
			}

			// Handle the PHP 8.4 deprecation (PHP 9.0 removal) of the function signature we use for stream_context_set_option().
			// Ref: https://wiki.php.net/rfc/deprecate_functions_with_overloaded_signatures#stream_context_set_option
			if (function_exists('stream_context_set_options')) {
				// PHP 8.3+.
				stream_context_set_options($context, ['ssl' => $context_options]);
			} else {
				// PHP < 8.3.
				stream_context_set_option($context, ['ssl' => $context_options]);
			}
		} else {
			$remote_socket = 'tcp://' . $host;
		}

		$this->max_bytes = $options['max_bytes'];

		if (!isset($url_parts['port'])) {
			$url_parts['port'] = Port::HTTP;
		}

		$remote_socket .= ':' . $url_parts['port'];

		// phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_set_error_handler
		set_error_handler([$this, 'connect_error_handler'], E_WARNING | E_NOTICE);

		$options['hooks']->dispatch('fsockopen.remote_socket', [&$remote_socket]);

		$socket = stream_socket_client($remote_socket, $errno, $errstr, ceil($options['connect_timeout']), STREAM_CLIENT_CONNECT, $context);

		restore_error_handler();

		if ($verifyname && !$this->verify_certificate_from_context($host, $context)) {
			throw new Exception('SSL certificate did not match the requested domain name', 'ssl.no_match');
		}

		if (!$socket) {
			if ($errno === 0) {
				// Connection issue
				throw new Exception(rtrim($this->connect_error), 'fsockopen.connect_error');
			}

			throw new Exception($errstr, 'fsockopenerror', null, $errno);
		}

		$data_format = $options['data_format'];

		if ($data_format === 'query') {
			$path = self::format_get($url_parts, $data);
			$data = '';
		} else {
			$path = self::format_get($url_parts, []);
		}

		$options['hooks']->dispatch('fsockopen.remote_host_path', [&$path, $url]);

		$request_body = '';
		$out          = sprintf("%s %s HTTP/%.1F\r\n", $options['type'], $path, $options['protocol_version']);

		if ($options['type'] !== Requests::TRACE) {
			if (is_array($data)) {
				$request_body = http_build_query($data, '', '&');
			} else {
				$request_body = $data;
			}

			// Always include Content-length on POST requests to prevent
			// 411 errors from some servers when the body is empty.
			if (!empty($data) || $options['type'] === Requests::POST) {
				if (!isset($case_insensitive_headers['Content-Length'])) {
					$headers['Content-Length'] = strlen($request_body);
				}

				if (!isset($case_insensitive_headers['Content-Type'])) {
					$headers['Content-Type'] = 'application/x-www-form-urlencoded; charset=UTF-8';
				}
			}
		}

		if (!isset($case_insensitive_headers['Host'])) {
			$out         .= sprintf('Host: %s', $url_parts['host']);
			$scheme_lower = strtolower($url_parts['scheme']);

			if (($scheme_lower === 'http' && $url_parts['port'] !== Port::HTTP) || ($scheme_lower === 'https' && $url_parts['port'] !== Port::HTTPS)) {
				$out .= ':' . $url_parts['port'];
			}

			$out .= "\r\n";
		}

		if (!isset($case_insensitive_headers['User-Agent'])) {
			$out .= sprintf("User-Agent: %s\r\n", $options['useragent']);
		}

		$accept_encoding = $this->accept_encoding();
		if (!isset($case_insensitive_headers['Accept-Encoding']) && !empty($accept_encoding)) {
			$out .= sprintf("Accept-Encoding: %s\r\n", $accept_encoding);
		}

		$headers = Requests::flatten($headers);

		if (!empty($headers)) {
			$out .= implode("\r\n", $headers) . "\r\n";
		}

		$options['hooks']->dispatch('fsockopen.after_headers', [&$out]);

		if (substr($out, -2) !== "\r\n") {
			$out .= "\r\n";
		}

		if (!isset($case_insensitive_headers['Connection'])) {
			$out .= "Connection: Close\r\n";
		}

		$out .= "\r\n" . $request_body;

		$options['hooks']->dispatch('fsockopen.before_send', [&$out]);

		fwrite($socket, $out);
		$options['hooks']->dispatch('fsockopen.after_send', [$out]);

		if (!$options['blocking']) {
			fclose($socket);
			$fake_headers = '';
			$options['hooks']->dispatch('fsockopen.after_request', [&$fake_headers]);
			return '';
		}

		$timeout_sec = (int) floor($options['timeout']);
		if ($timeout_sec === $options['timeout']) {
			$timeout_msec = 0;
		} else {
			$timeout_msec = self::SECOND_IN_MICROSECONDS * $options['timeout'] % self::SECOND_IN_MICROSECONDS;
		}

		stream_set_timeout($socket, $timeout_sec, $timeout_msec);

		$response   = '';
		$body       = '';
		$headers    = '';
		$this->info = stream_get_meta_data($socket);
		$size       = 0;
		$doingbody  = false;
		$download   = false;
		if ($options['filename']) {
			// phpcs:ignore WordPress.PHP.NoSilencedErrors -- Silenced the PHP native warning in favour of throwing an exception.
			$download = @fopen($options['filename'], 'wb');
			if ($download === false) {
				$error = error_get_last();
				throw new Exception($error['message'], 'fopen');
			}
		}

		while (!feof($socket)) {
			$this->info = stream_get_meta_data($socket);
			if ($this->info['timed_out']) {
				throw new Exception('fsocket timed out', 'timeout');
			}

			$block = fread($socket, Requests::BUFFER_SIZE);
			if (!$doingbody) {
				$response .= $block;
				if (strpos($response, "\r\n\r\n")) {
					list($headers, $block) = explode("\r\n\r\n", $response, 2);
					$doingbody             = true;
				}
			}

			// Are we in body mode now?
			if ($doingbody) {
				$options['hooks']->dispatch('request.progress', [$block, $size, $this->max_bytes]);
				$data_length = strlen($block);
				if ($this->max_bytes) {
					// Have we already hit a limit?
					if ($size === $this->max_bytes) {
						continue;
					}

					if (($size + $data_length) > $this->max_bytes) {
						// Limit the length
						$limited_length = ($this->max_bytes - $size);
						$block          = substr($block, 0, $limited_length);
					}
				}

				$size += strlen($block);
				if ($download) {
					fwrite($download, $block);
				} else {
					$body .= $block;
				}
			}
		}

		$this->headers = $headers;

		if ($download) {
			fclose($download);
		} else {
			$this->headers .= "\r\n\r\n" . $body;
		}

		fclose($socket);

		$options['hooks']->dispatch('fsockopen.after_request', [&$this->headers, &$this->info]);
		return $this->headers;
	}

	/**
	 * Send multiple requests simultaneously
	 *
	 * @param array $requests Request data (array of 'url', 'headers', 'data', 'options') as per {@see \WpOrg\Requests\Transport::request()}
	 * @param array $options Global options, see {@see \WpOrg\Requests\Requests::response()} for documentation
	 * @return array Array of \WpOrg\Requests\Response objects (may contain \WpOrg\Requests\Exception or string responses as well)
	 *
	 * @throws \WpOrg\Requests\Exception\InvalidArgument When the passed $requests argument is not an array or iterable object with array access.
	 * @throws \WpOrg\Requests\Exception\InvalidArgument When the passed $options argument is not an array.
	 */
	public function request_multiple($requests, $options) {
		// If you're not requesting, we can't get any responses ¯\_(ツ)_/¯
		if (empty($requests)) {
			return [];
		}

		if (InputValidator::has_array_access($requests) === false || InputValidator::is_iterable($requests) === false) {
			throw InvalidArgument::create(1, '$requests', 'array|ArrayAccess&Traversable', gettype($requests));
		}

		if (is_array($options) === false) {
			throw InvalidArgument::create(2, '$options', 'array', gettype($options));
		}

		$responses = [];
		$class     = get_class($this);
		foreach ($requests as $id => $request) {
			try {
				$handler        = new $class();
				$responses[$id] = $handler->request($request['url'], $request['headers'], $request['data'], $request['options']);

				$request['options']['hooks']->dispatch('transport.internal.parse_response', [&$responses[$id], $request]);
			} catch (Exception $e) {
				$responses[$id] = $e;
			}

			if (!is_string($responses[$id])) {
				$request['options']['hooks']->dispatch('multiple.request.complete', [&$responses[$id], $id]);
			}
		}

		return $responses;
	}

	/**
	 * Retrieve the encodings we can accept
	 *
	 * @return string Accept-Encoding header value
	 */
	private static function accept_encoding() {
		$type = [];
		if (function_exists('gzinflate')) {
			$type[] = 'deflate;q=1.0';
		}

		if (function_exists('gzuncompress')) {
			$type[] = 'compress;q=0.5';
		}

		$type[] = 'gzip;q=0.5';

		return implode(', ', $type);
	}

	/**
	 * Format a URL given GET data
	 *
	 * @param array        $url_parts Array of URL parts as received from {@link https://www.php.net/parse_url}
	 * @param array|object $data Data to build query using, see {@link https://www.php.net/http_build_query}
	 * @return string URL with data
	 */
	private static function format_get($url_parts, $data) {
		if (!empty($data)) {
			if (empty($url_parts['query'])) {
				$url_parts['query'] = '';
			}

			$url_parts['query'] .= '&' . http_build_query($data, '', '&');
			$url_parts['query']  = trim($url_parts['query'], '&');
		}

		if (isset($url_parts['path'])) {
			if (isset($url_parts['query'])) {
				$get = $url_parts['path'] . '?' . $url_parts['query'];
			} else {
				$get = $url_parts['path'];
			}
		} else {
			$get = '/';
		}

		return $get;
	}

	/**
	 * Error handler for stream_socket_client()
	 *
	 * @param int $errno Error number (e.g. E_WARNING)
	 * @param string $errstr Error message
	 */
	public function connect_error_handler($errno, $errstr) {
		// Double-check we can handle it
		if (($errno & E_WARNING) === 0 && ($errno & E_NOTICE) === 0) {
			// Return false to indicate the default error handler should engage
			return false;
		}

		$this->connect_error .= $errstr . "\n";
		return true;
	}

	/**
	 * Verify the certificate against common name and subject alternative names
	 *
	 * Unfortunately, PHP doesn't check the certificate against the alternative
	 * names, leading things like 'https://www.github.com/' to be invalid.
	 * Instead
	 *
	 * @link https://tools.ietf.org/html/rfc2818#section-3.1 RFC2818, Section 3.1
	 *
	 * @param string $host Host name to verify against
	 * @param resource $context Stream context
	 * @return bool
	 *
	 * @throws \WpOrg\Requests\Exception On failure to connect via TLS (`fsockopen.ssl.connect_error`)
	 * @throws \WpOrg\Requests\Exception On not obtaining a match for the host (`fsockopen.ssl.no_match`)
	 */
	public function verify_certificate_from_context($host, $context) {
		$meta = stream_context_get_options($context);

		// If we don't have SSL options, then we couldn't make the connection at
		// all
		if (empty($meta) || empty($meta['ssl']) || empty($meta['ssl']['peer_certificate'])) {
			throw new Exception(rtrim($this->connect_error), 'ssl.connect_error');
		}

		$cert = openssl_x509_parse($meta['ssl']['peer_certificate']);

		return Ssl::verify_certificate($host, $cert);
	}

	/**
	 * Self-test whether the transport can be used.
	 *
	 * The available capabilities to test for can be found in {@see \WpOrg\Requests\Capability}.
	 *
	 * @codeCoverageIgnore
	 * @param array<string, bool> $capabilities Optional. Associative array of capabilities to test against, i.e. `['<capability>' => true]`.
	 * @return bool Whether the transport can be used.
	 */
	public static function test($capabilities = []) {
		if (!function_exists('fsockopen')) {
			return false;
		}

		// If needed, check that streams support SSL
		if (isset($capabilities[Capability::SSL]) && $capabilities[Capability::SSL]) {
			if (!extension_loaded('openssl') || !function_exists('openssl_x509_parse')) {
				return false;
			}
		}

		return true;
	}
}
PK      ��Z*���u  u    Curl.phpnu W+A��        <?php
/**
 * CURL Transport Exception.
 *
 * @package Requests\Exceptions
 */

namespace WpOrg\Requests\Exception\Transport;

use WpOrg\Requests\Exception\Transport;

/**
 * CURL Transport Exception.
 *
 * @package Requests\Exceptions
 */
final class Curl extends Transport {

	const EASY  = 'cURLEasy';
	const MULTI = 'cURLMulti';
	const SHARE = 'cURLShare';

	/**
	 * cURL error code
	 *
	 * @var integer
	 */
	protected $code = -1;

	/**
	 * Which type of cURL error
	 *
	 * EASY|MULTI|SHARE
	 *
	 * @var string
	 */
	protected $type = 'Unknown';

	/**
	 * Clear text error message
	 *
	 * @var string
	 */
	protected $reason = 'Unknown';

	/**
	 * Create a new exception.
	 *
	 * @param string $message Exception message.
	 * @param string $type    Exception type.
	 * @param mixed  $data    Associated data, if applicable.
	 * @param int    $code    Exception numerical code, if applicable.
	 */
	public function __construct($message, $type, $data = null, $code = 0) {
		if ($type !== null) {
			$this->type = $type;
		}

		if ($code !== null) {
			$this->code = (int) $code;
		}

		if ($message !== null) {
			$this->reason = $message;
		}

		$message = sprintf('%d %s', $this->code, $this->reason);
		parent::__construct($message, $this->type, $data, $this->code);
	}

	/**
	 * Get the error message.
	 *
	 * @return string
	 */
	public function getReason() {
		return $this->reason;
	}

}
PK      Y��Z��0  �0    fsockopen.phpnu W+A��        <?php
/**
 * fsockopen HTTP transport
 *
 * @package Requests
 * @subpackage Transport
 */

/**
 * fsockopen HTTP transport
 *
 * @package Requests
 * @subpackage Transport
 */
class Requests_Transport_fsockopen implements Requests_Transport {
	/**
	 * Second to microsecond conversion
	 *
	 * @var integer
	 */
	const SECOND_IN_MICROSECONDS = 1000000;

	/**
	 * Raw HTTP data
	 *
	 * @var string
	 */
	public $headers = '';

	/**
	 * Stream metadata
	 *
	 * @var array Associative array of properties, see {@see https://secure.php.net/stream_get_meta_data}
	 */
	public $info;

	/**
	 * What's the maximum number of bytes we should keep?
	 *
	 * @var int|bool Byte count, or false if no limit.
	 */
	protected $max_bytes = false;

	protected $connect_error = '';

	/**
	 * Perform a request
	 *
	 * @throws Requests_Exception On failure to connect to socket (`fsockopenerror`)
	 * @throws Requests_Exception On socket timeout (`timeout`)
	 *
	 * @param string $url URL to request
	 * @param array $headers Associative array of request headers
	 * @param string|array $data Data to send either as the POST body, or as parameters in the URL for a GET/HEAD
	 * @param array $options Request options, see {@see Requests::response()} for documentation
	 * @return string Raw HTTP result
	 */
	public function request($url, $headers = array(), $data = array(), $options = array()) {
		$options['hooks']->dispatch('fsockopen.before_request');

		$url_parts = parse_url($url);
		if (empty($url_parts)) {
			throw new Requests_Exception('Invalid URL.', 'invalidurl', $url);
		}
		$host = $url_parts['host'];
		$context = stream_context_create();
		$verifyname = false;
		$case_insensitive_headers = new Requests_Utility_CaseInsensitiveDictionary($headers);

		// HTTPS support
		if (isset($url_parts['scheme']) && strtolower($url_parts['scheme']) === 'https') {
			$remote_socket = 'ssl://' . $host;
			if (!isset($url_parts['port'])) {
				$url_parts['port'] = 443;
			}

			$context_options = array(
				'verify_peer' => true,
				// 'CN_match' => $host,
				'capture_peer_cert' => true
			);
			$verifyname = true;

			// SNI, if enabled (OpenSSL >=0.9.8j)
			if (defined('OPENSSL_TLSEXT_SERVER_NAME') && OPENSSL_TLSEXT_SERVER_NAME) {
				$context_options['SNI_enabled'] = true;
				if (isset($options['verifyname']) && $options['verifyname'] === false) {
					$context_options['SNI_enabled'] = false;
				}
			}

			if (isset($options['verify'])) {
				if ($options['verify'] === false) {
					$context_options['verify_peer'] = false;
				}
				elseif (is_string($options['verify'])) {
					$context_options['cafile'] = $options['verify'];
				}
			}

			if (isset($options['verifyname']) && $options['verifyname'] === false) {
				$context_options['verify_peer_name'] = false;
				$verifyname = false;
			}

			stream_context_set_option($context, array('ssl' => $context_options));
		}
		else {
			$remote_socket = 'tcp://' . $host;
		}

		$this->max_bytes = $options['max_bytes'];

		if (!isset($url_parts['port'])) {
			$url_parts['port'] = 80;
		}
		$remote_socket .= ':' . $url_parts['port'];

		set_error_handler(array($this, 'connect_error_handler'), E_WARNING | E_NOTICE);

		$options['hooks']->dispatch('fsockopen.remote_socket', array(&$remote_socket));

		$socket = stream_socket_client($remote_socket, $errno, $errstr, ceil($options['connect_timeout']), STREAM_CLIENT_CONNECT, $context);

		restore_error_handler();

		if ($verifyname && !$this->verify_certificate_from_context($host, $context)) {
			throw new Requests_Exception('SSL certificate did not match the requested domain name', 'ssl.no_match');
		}

		if (!$socket) {
			if ($errno === 0) {
				// Connection issue
				throw new Requests_Exception(rtrim($this->connect_error), 'fsockopen.connect_error');
			}

			throw new Requests_Exception($errstr, 'fsockopenerror', null, $errno);
		}

		$data_format = $options['data_format'];

		if ($data_format === 'query') {
			$path = self::format_get($url_parts, $data);
			$data = '';
		}
		else {
			$path = self::format_get($url_parts, array());
		}

		$options['hooks']->dispatch('fsockopen.remote_host_path', array(&$path, $url));

		$request_body = '';
		$out = sprintf("%s %s HTTP/%.1f\r\n", $options['type'], $path, $options['protocol_version']);

		if ($options['type'] !== Requests::TRACE) {
			if (is_array($data)) {
				$request_body = http_build_query($data, null, '&');
			}
			else {
				$request_body = $data;
			}

			if (!empty($data)) {
				if (!isset($case_insensitive_headers['Content-Length'])) {
					$headers['Content-Length'] = strlen($request_body);
				}

				if (!isset($case_insensitive_headers['Content-Type'])) {
					$headers['Content-Type'] = 'application/x-www-form-urlencoded; charset=UTF-8';
				}
			}
		}

		if (!isset($case_insensitive_headers['Host'])) {
			$out .= sprintf('Host: %s', $url_parts['host']);

			if (( 'http' === strtolower($url_parts['scheme']) && $url_parts['port'] !== 80 ) || ( 'https' === strtolower($url_parts['scheme']) && $url_parts['port'] !== 443 )) {
				$out .= ':' . $url_parts['port'];
			}
			$out .= "\r\n";
		}

		if (!isset($case_insensitive_headers['User-Agent'])) {
			$out .= sprintf("User-Agent: %s\r\n", $options['useragent']);
		}

		$accept_encoding = $this->accept_encoding();
		if (!isset($case_insensitive_headers['Accept-Encoding']) && !empty($accept_encoding)) {
			$out .= sprintf("Accept-Encoding: %s\r\n", $accept_encoding);
		}

		$headers = Requests::flatten($headers);

		if (!empty($headers)) {
			$out .= implode($headers, "\r\n") . "\r\n";
		}

		$options['hooks']->dispatch('fsockopen.after_headers', array(&$out));

		if (substr($out, -2) !== "\r\n") {
			$out .= "\r\n";
		}

		if (!isset($case_insensitive_headers['Connection'])) {
			$out .= "Connection: Close\r\n";
		}

		$out .= "\r\n" . $request_body;

		$options['hooks']->dispatch('fsockopen.before_send', array(&$out));

		fwrite($socket, $out);
		$options['hooks']->dispatch('fsockopen.after_send', array($out));

		if (!$options['blocking']) {
			fclose($socket);
			$fake_headers = '';
			$options['hooks']->dispatch('fsockopen.after_request', array(&$fake_headers));
			return '';
		}

		$timeout_sec = (int) floor($options['timeout']);
		if ($timeout_sec == $options['timeout']) {
			$timeout_msec = 0;
		}
		else {
			$timeout_msec = self::SECOND_IN_MICROSECONDS * $options['timeout'] % self::SECOND_IN_MICROSECONDS;
		}
		stream_set_timeout($socket, $timeout_sec, $timeout_msec);

		$response = $body = $headers = '';
		$this->info = stream_get_meta_data($socket);
		$size = 0;
		$doingbody = false;
		$download = false;
		if ($options['filename']) {
			$download = fopen($options['filename'], 'wb');
		}

		while (!feof($socket)) {
			$this->info = stream_get_meta_data($socket);
			if ($this->info['timed_out']) {
				throw new Requests_Exception('fsocket timed out', 'timeout');
			}

			$block = fread($socket, Requests::BUFFER_SIZE);
			if (!$doingbody) {
				$response .= $block;
				if (strpos($response, "\r\n\r\n")) {
					list($headers, $block) = explode("\r\n\r\n", $response, 2);
					$doingbody = true;
				}
			}

			// Are we in body mode now?
			if ($doingbody) {
				$options['hooks']->dispatch('request.progress', array($block, $size, $this->max_bytes));
				$data_length = strlen($block);
				if ($this->max_bytes) {
					// Have we already hit a limit?
					if ($size === $this->max_bytes) {
						continue;
					}
					if (($size + $data_length) > $this->max_bytes) {
						// Limit the length
						$limited_length = ($this->max_bytes - $size);
						$block = substr($block, 0, $limited_length);
					}
				}

				$size += strlen($block);
				if ($download) {
					fwrite($download, $block);
				}
				else {
					$body .= $block;
				}
			}
		}
		$this->headers = $headers;

		if ($download) {
			fclose($download);
		}
		else {
			$this->headers .= "\r\n\r\n" . $body;
		}
		fclose($socket);

		$options['hooks']->dispatch('fsockopen.after_request', array(&$this->headers, &$this->info));
		return $this->headers;
	}

	/**
	 * Send multiple requests simultaneously
	 *
	 * @param array $requests Request data (array of 'url', 'headers', 'data', 'options') as per {@see Requests_Transport::request}
	 * @param array $options Global options, see {@see Requests::response()} for documentation
	 * @return array Array of Requests_Response objects (may contain Requests_Exception or string responses as well)
	 */
	public function request_multiple($requests, $options) {
		$responses = array();
		$class = get_class($this);
		foreach ($requests as $id => $request) {
			try {
				$handler = new $class();
				$responses[$id] = $handler->request($request['url'], $request['headers'], $request['data'], $request['options']);

				$request['options']['hooks']->dispatch('transport.internal.parse_response', array(&$responses[$id], $request));
			}
			catch (Requests_Exception $e) {
				$responses[$id] = $e;
			}

			if (!is_string($responses[$id])) {
				$request['options']['hooks']->dispatch('multiple.request.complete', array(&$responses[$id], $id));
			}
		}

		return $responses;
	}

	/**
	 * Retrieve the encodings we can accept
	 *
	 * @return string Accept-Encoding header value
	 */
	protected static function accept_encoding() {
		$type = array();
		if (function_exists('gzinflate')) {
			$type[] = 'deflate;q=1.0';
		}

		if (function_exists('gzuncompress')) {
			$type[] = 'compress;q=0.5';
		}

		$type[] = 'gzip;q=0.5';

		return implode(', ', $type);
	}

	/**
	 * Format a URL given GET data
	 *
	 * @param array $url_parts
	 * @param array|object $data Data to build query using, see {@see https://secure.php.net/http_build_query}
	 * @return string URL with data
	 */
	protected static function format_get($url_parts, $data) {
		if (!empty($data)) {
			if (empty($url_parts['query'])) {
				$url_parts['query'] = '';
			}

			$url_parts['query'] .= '&' . http_build_query($data, null, '&');
			$url_parts['query'] = trim($url_parts['query'], '&');
		}
		if (isset($url_parts['path'])) {
			if (isset($url_parts['query'])) {
				$get = $url_parts['path'] . '?' . $url_parts['query'];
			}
			else {
				$get = $url_parts['path'];
			}
		}
		else {
			$get = '/';
		}
		return $get;
	}

	/**
	 * Error handler for stream_socket_client()
	 *
	 * @param int $errno Error number (e.g. E_WARNING)
	 * @param string $errstr Error message
	 */
	public function connect_error_handler($errno, $errstr) {
		// Double-check we can handle it
		if (($errno & E_WARNING) === 0 && ($errno & E_NOTICE) === 0) {
			// Return false to indicate the default error handler should engage
			return false;
		}

		$this->connect_error .= $errstr . "\n";
		return true;
	}

	/**
	 * Verify the certificate against common name and subject alternative names
	 *
	 * Unfortunately, PHP doesn't check the certificate against the alternative
	 * names, leading things like 'https://www.github.com/' to be invalid.
	 * Instead
	 *
	 * @see https://tools.ietf.org/html/rfc2818#section-3.1 RFC2818, Section 3.1
	 *
	 * @throws Requests_Exception On failure to connect via TLS (`fsockopen.ssl.connect_error`)
	 * @throws Requests_Exception On not obtaining a match for the host (`fsockopen.ssl.no_match`)
	 * @param string $host Host name to verify against
	 * @param resource $context Stream context
	 * @return bool
	 */
	public function verify_certificate_from_context($host, $context) {
		$meta = stream_context_get_options($context);

		// If we don't have SSL options, then we couldn't make the connection at
		// all
		if (empty($meta) || empty($meta['ssl']) || empty($meta['ssl']['peer_certificate'])) {
			throw new Requests_Exception(rtrim($this->connect_error), 'ssl.connect_error');
		}

		$cert = openssl_x509_parse($meta['ssl']['peer_certificate']);

		return Requests_SSL::verify_certificate($host, $cert);
	}

	/**
	 * Whether this transport is valid
	 *
	 * @codeCoverageIgnore
	 * @return boolean True if the transport is valid, false otherwise.
	 */
	public static function test($capabilities = array()) {
		if (!function_exists('fsockopen')) {
			return false;
		}

		// If needed, check that streams support SSL
		if (isset($capabilities['ssl']) && $capabilities['ssl']) {
			if (!extension_loaded('openssl') || !function_exists('openssl_x509_parse')) {
				return false;
			}

			// Currently broken, thanks to https://github.com/facebook/hhvm/issues/2156
			if (defined('HHVM_VERSION')) {
				return false;
			}
		}

		return true;
	}
}
PK      Y��Z�8L��;  �;    cURL.phpnu W+A��        <?php
/**
 * cURL HTTP transport
 *
 * @package Requests
 * @subpackage Transport
 */

/**
 * cURL HTTP transport
 *
 * @package Requests
 * @subpackage Transport
 */
class Requests_Transport_cURL implements Requests_Transport {
	const CURL_7_10_5 = 0x070A05;
	const CURL_7_16_2 = 0x071002;

	/**
	 * Raw HTTP data
	 *
	 * @var string
	 */
	public $headers = '';

	/**
	 * Raw body data
	 *
	 * @var string
	 */
	public $response_data = '';

	/**
	 * Information on the current request
	 *
	 * @var array cURL information array, see {@see https://secure.php.net/curl_getinfo}
	 */
	public $info;

	/**
	 * Version string
	 *
	 * @var long
	 */
	public $version;

	/**
	 * cURL handle
	 *
	 * @var resource
	 */
	protected $handle;

	/**
	 * Hook dispatcher instance
	 *
	 * @var Requests_Hooks
	 */
	protected $hooks;

	/**
	 * Have we finished the headers yet?
	 *
	 * @var boolean
	 */
	protected $done_headers = false;

	/**
	 * If streaming to a file, keep the file pointer
	 *
	 * @var resource
	 */
	protected $stream_handle;

	/**
	 * How many bytes are in the response body?
	 *
	 * @var int
	 */
	protected $response_bytes;

	/**
	 * What's the maximum number of bytes we should keep?
	 *
	 * @var int|bool Byte count, or false if no limit.
	 */
	protected $response_byte_limit;

	/**
	 * Constructor
	 */
	public function __construct() {
		$curl = curl_version();
		$this->version = $curl['version_number'];
		$this->handle = curl_init();

		curl_setopt($this->handle, CURLOPT_HEADER, false);
		curl_setopt($this->handle, CURLOPT_RETURNTRANSFER, 1);
		if ($this->version >= self::CURL_7_10_5) {
			curl_setopt($this->handle, CURLOPT_ENCODING, '');
		}
		if (defined('CURLOPT_PROTOCOLS')) {
			curl_setopt($this->handle, CURLOPT_PROTOCOLS, CURLPROTO_HTTP | CURLPROTO_HTTPS);
		}
		if (defined('CURLOPT_REDIR_PROTOCOLS')) {
			curl_setopt($this->handle, CURLOPT_REDIR_PROTOCOLS, CURLPROTO_HTTP | CURLPROTO_HTTPS);
		}
	}

	/**
	 * Destructor
	 */
	public function __destruct() {
		if (is_resource($this->handle)) {
			curl_close($this->handle);
		}
	}

	/**
	 * Perform a request
	 *
	 * @throws Requests_Exception On a cURL error (`curlerror`)
	 *
	 * @param string $url URL to request
	 * @param array $headers Associative array of request headers
	 * @param string|array $data Data to send either as the POST body, or as parameters in the URL for a GET/HEAD
	 * @param array $options Request options, see {@see Requests::response()} for documentation
	 * @return string Raw HTTP result
	 */
	public function request($url, $headers = array(), $data = array(), $options = array()) {
		$this->hooks = $options['hooks'];

		$this->setup_handle($url, $headers, $data, $options);

		$options['hooks']->dispatch('curl.before_send', array(&$this->handle));

		if ($options['filename'] !== false) {
			$this->stream_handle = fopen($options['filename'], 'wb');
		}

		$this->response_data = '';
		$this->response_bytes = 0;
		$this->response_byte_limit = false;
		if ($options['max_bytes'] !== false) {
			$this->response_byte_limit = $options['max_bytes'];
		}

		if (isset($options['verify'])) {
			if ($options['verify'] === false) {
				curl_setopt($this->handle, CURLOPT_SSL_VERIFYHOST, 0);
				curl_setopt($this->handle, CURLOPT_SSL_VERIFYPEER, 0);
			}
			elseif (is_string($options['verify'])) {
				curl_setopt($this->handle, CURLOPT_CAINFO, $options['verify']);
			}
		}

		if (isset($options['verifyname']) && $options['verifyname'] === false) {
			curl_setopt($this->handle, CURLOPT_SSL_VERIFYHOST, 0);
		}

		curl_exec($this->handle);
		$response = $this->response_data;

		$options['hooks']->dispatch('curl.after_send', array());

		if (curl_errno($this->handle) === 23 || curl_errno($this->handle) === 61) {
			// Reset encoding and try again
			curl_setopt($this->handle, CURLOPT_ENCODING, 'none');

			$this->response_data = '';
			$this->response_bytes = 0;
			curl_exec($this->handle);
			$response = $this->response_data;
		}

		$this->process_response($response, $options);

		// Need to remove the $this reference from the curl handle.
		// Otherwise Requests_Transport_cURL wont be garbage collected and the curl_close() will never be called.
		curl_setopt($this->handle, CURLOPT_HEADERFUNCTION, null);
		curl_setopt($this->handle, CURLOPT_WRITEFUNCTION, null);

		return $this->headers;
	}

	/**
	 * Send multiple requests simultaneously
	 *
	 * @param array $requests Request data
	 * @param array $options Global options
	 * @return array Array of Requests_Response objects (may contain Requests_Exception or string responses as well)
	 */
	public function request_multiple($requests, $options) {
		// If you're not requesting, we can't get any responses ¯\_(ツ)_/¯
		if (empty($requests)) {
			return array();
		}

		$multihandle = curl_multi_init();
		$subrequests = array();
		$subhandles = array();

		$class = get_class($this);
		foreach ($requests as $id => $request) {
			$subrequests[$id] = new $class();
			$subhandles[$id] = $subrequests[$id]->get_subrequest_handle($request['url'], $request['headers'], $request['data'], $request['options']);
			$request['options']['hooks']->dispatch('curl.before_multi_add', array(&$subhandles[$id]));
			curl_multi_add_handle($multihandle, $subhandles[$id]);
		}

		$completed = 0;
		$responses = array();

		$request['options']['hooks']->dispatch('curl.before_multi_exec', array(&$multihandle));

		do {
			$active = false;

			do {
				$status = curl_multi_exec($multihandle, $active);
			}
			while ($status === CURLM_CALL_MULTI_PERFORM);

			$to_process = array();

			// Read the information as needed
			while ($done = curl_multi_info_read($multihandle)) {
				$key = array_search($done['handle'], $subhandles, true);
				if (!isset($to_process[$key])) {
					$to_process[$key] = $done;
				}
			}

			// Parse the finished requests before we start getting the new ones
			foreach ($to_process as $key => $done) {
				$options = $requests[$key]['options'];
				if (CURLE_OK !== $done['result']) {
					//get error string for handle.
					$reason = curl_error($done['handle']);
					$exception = new Requests_Exception_Transport_cURL(
									$reason,
									Requests_Exception_Transport_cURL::EASY,
									$done['handle'],
									$done['result']
								);
					$responses[$key] = $exception;
					$options['hooks']->dispatch('transport.internal.parse_error', array(&$responses[$key], $requests[$key]));
				}
				else {
					$responses[$key] = $subrequests[$key]->process_response($subrequests[$key]->response_data, $options);

					$options['hooks']->dispatch('transport.internal.parse_response', array(&$responses[$key], $requests[$key]));
				}

				curl_multi_remove_handle($multihandle, $done['handle']);
				curl_close($done['handle']);

				if (!is_string($responses[$key])) {
					$options['hooks']->dispatch('multiple.request.complete', array(&$responses[$key], $key));
				}
				$completed++;
			}
		}
		while ($active || $completed < count($subrequests));

		$request['options']['hooks']->dispatch('curl.after_multi_exec', array(&$multihandle));

		curl_multi_close($multihandle);

		return $responses;
	}

	/**
	 * Get the cURL handle for use in a multi-request
	 *
	 * @param string $url URL to request
	 * @param array $headers Associative array of request headers
	 * @param string|array $data Data to send either as the POST body, or as parameters in the URL for a GET/HEAD
	 * @param array $options Request options, see {@see Requests::response()} for documentation
	 * @return resource Subrequest's cURL handle
	 */
	public function &get_subrequest_handle($url, $headers, $data, $options) {
		$this->setup_handle($url, $headers, $data, $options);

		if ($options['filename'] !== false) {
			$this->stream_handle = fopen($options['filename'], 'wb');
		}

		$this->response_data = '';
		$this->response_bytes = 0;
		$this->response_byte_limit = false;
		if ($options['max_bytes'] !== false) {
			$this->response_byte_limit = $options['max_bytes'];
		}
		$this->hooks = $options['hooks'];

		return $this->handle;
	}

	/**
	 * Setup the cURL handle for the given data
	 *
	 * @param string $url URL to request
	 * @param array $headers Associative array of request headers
	 * @param string|array $data Data to send either as the POST body, or as parameters in the URL for a GET/HEAD
	 * @param array $options Request options, see {@see Requests::response()} for documentation
	 */
	protected function setup_handle($url, $headers, $data, $options) {
		$options['hooks']->dispatch('curl.before_request', array(&$this->handle));

		// Force closing the connection for old versions of cURL (<7.22).
		if ( ! isset( $headers['Connection'] ) ) {
			$headers['Connection'] = 'close';
		}

		$headers = Requests::flatten($headers);

		if (!empty($data)) {
			$data_format = $options['data_format'];

			if ($data_format === 'query') {
				$url = self::format_get($url, $data);
				$data = '';
			}
			elseif (!is_string($data)) {
				$data = http_build_query($data, null, '&');
			}
		}

		switch ($options['type']) {
			case Requests::POST:
				curl_setopt($this->handle, CURLOPT_POST, true);
				curl_setopt($this->handle, CURLOPT_POSTFIELDS, $data);
				break;
			case Requests::HEAD:
				curl_setopt($this->handle, CURLOPT_CUSTOMREQUEST, $options['type']);
				curl_setopt($this->handle, CURLOPT_NOBODY, true);
				break;
			case Requests::TRACE:
				curl_setopt($this->handle, CURLOPT_CUSTOMREQUEST, $options['type']);
				break;
			case Requests::PATCH:
			case Requests::PUT:
			case Requests::DELETE:
			case Requests::OPTIONS:
			default:
				curl_setopt($this->handle, CURLOPT_CUSTOMREQUEST, $options['type']);
				if (!empty($data)) {
					curl_setopt($this->handle, CURLOPT_POSTFIELDS, $data);
				}
		}

		// cURL requires a minimum timeout of 1 second when using the system
		// DNS resolver, as it uses `alarm()`, which is second resolution only.
		// There's no way to detect which DNS resolver is being used from our
		// end, so we need to round up regardless of the supplied timeout.
		//
		// https://github.com/curl/curl/blob/4f45240bc84a9aa648c8f7243be7b79e9f9323a5/lib/hostip.c#L606-L609
		$timeout = max($options['timeout'], 1);

		if (is_int($timeout) || $this->version < self::CURL_7_16_2) {
			curl_setopt($this->handle, CURLOPT_TIMEOUT, ceil($timeout));
		}
		else {
			curl_setopt($this->handle, CURLOPT_TIMEOUT_MS, round($timeout * 1000));
		}

		if (is_int($options['connect_timeout']) || $this->version < self::CURL_7_16_2) {
			curl_setopt($this->handle, CURLOPT_CONNECTTIMEOUT, ceil($options['connect_timeout']));
		}
		else {
			curl_setopt($this->handle, CURLOPT_CONNECTTIMEOUT_MS, round($options['connect_timeout'] * 1000));
		}
		curl_setopt($this->handle, CURLOPT_URL, $url);
		curl_setopt($this->handle, CURLOPT_REFERER, $url);
		curl_setopt($this->handle, CURLOPT_USERAGENT, $options['useragent']);
		if (!empty($headers)) {
			curl_setopt($this->handle, CURLOPT_HTTPHEADER, $headers);
		}
		if ($options['protocol_version'] === 1.1) {
			curl_setopt($this->handle, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1);
		}
		else {
			curl_setopt($this->handle, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0);
		}

		if (true === $options['blocking']) {
			curl_setopt($this->handle, CURLOPT_HEADERFUNCTION, array(&$this, 'stream_headers'));
			curl_setopt($this->handle, CURLOPT_WRITEFUNCTION, array(&$this, 'stream_body'));
			curl_setopt($this->handle, CURLOPT_BUFFERSIZE, Requests::BUFFER_SIZE);
		}
	}

	/**
	 * Process a response
	 *
	 * @param string $response Response data from the body
	 * @param array $options Request options
	 * @return string HTTP response data including headers
	 */
	public function process_response($response, $options) {
		if ($options['blocking'] === false) {
			$fake_headers = '';
			$options['hooks']->dispatch('curl.after_request', array(&$fake_headers));
			return false;
		}
		if ($options['filename'] !== false) {
			fclose($this->stream_handle);
			$this->headers = trim($this->headers);
		}
		else {
			$this->headers .= $response;
		}

		if (curl_errno($this->handle)) {
			$error = sprintf(
				'cURL error %s: %s',
				curl_errno($this->handle),
				curl_error($this->handle)
			);
			throw new Requests_Exception($error, 'curlerror', $this->handle);
		}
		$this->info = curl_getinfo($this->handle);

		$options['hooks']->dispatch('curl.after_request', array(&$this->headers, &$this->info));
		return $this->headers;
	}

	/**
	 * Collect the headers as they are received
	 *
	 * @param resource $handle cURL resource
	 * @param string $headers Header string
	 * @return integer Length of provided header
	 */
	public function stream_headers($handle, $headers) {
		// Why do we do this? cURL will send both the final response and any
		// interim responses, such as a 100 Continue. We don't need that.
		// (We may want to keep this somewhere just in case)
		if ($this->done_headers) {
			$this->headers = '';
			$this->done_headers = false;
		}
		$this->headers .= $headers;

		if ($headers === "\r\n") {
			$this->done_headers = true;
		}
		return strlen($headers);
	}

	/**
	 * Collect data as it's received
	 *
	 * @since 1.6.1
	 *
	 * @param resource $handle cURL resource
	 * @param string $data Body data
	 * @return integer Length of provided data
	 */
	public function stream_body($handle, $data) {
		$this->hooks->dispatch('request.progress', array($data, $this->response_bytes, $this->response_byte_limit));
		$data_length = strlen($data);

		// Are we limiting the response size?
		if ($this->response_byte_limit) {
			if ($this->response_bytes === $this->response_byte_limit) {
				// Already at maximum, move on
				return $data_length;
			}

			if (($this->response_bytes + $data_length) > $this->response_byte_limit) {
				// Limit the length
				$limited_length = ($this->response_byte_limit - $this->response_bytes);
				$data = substr($data, 0, $limited_length);
			}
		}

		if ($this->stream_handle) {
			fwrite($this->stream_handle, $data);
		}
		else {
			$this->response_data .= $data;
		}

		$this->response_bytes += strlen($data);
		return $data_length;
	}

	/**
	 * Format a URL given GET data
	 *
	 * @param string $url
	 * @param array|object $data Data to build query using, see {@see https://secure.php.net/http_build_query}
	 * @return string URL with data
	 */
	protected static function format_get($url, $data) {
		if (!empty($data)) {
			$url_parts = parse_url($url);
			if (empty($url_parts['query'])) {
				$query = $url_parts['query'] = '';
			}
			else {
				$query = $url_parts['query'];
			}

			$query .= '&' . http_build_query($data, null, '&');
			$query = trim($query, '&');

			if (empty($url_parts['query'])) {
				$url .= '?' . $query;
			}
			else {
				$url = str_replace($url_parts['query'], $query, $url);
			}
		}
		return $url;
	}

	/**
	 * Whether this transport is valid
	 *
	 * @codeCoverageIgnore
	 * @return boolean True if the transport is valid, false otherwise.
	 */
	public static function test($capabilities = array()) {
		if (!function_exists('curl_init') || !function_exists('curl_exec')) {
			return false;
		}

		// If needed, check that our installed curl version supports SSL
		if (isset($capabilities['ssl']) && $capabilities['ssl']) {
			$curl_version = curl_version();
			if (!(CURL_VERSION_SSL & $curl_version['features'])) {
				return false;
			}
		}

		return true;
	}
}
PK      }�Zbd��o  o    RoundRobinTransport.phpnu W+A��        <?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\Transport;

use Symfony\Component\Mailer\Envelope;
use Symfony\Component\Mailer\Exception\TransportException;
use Symfony\Component\Mailer\Exception\TransportExceptionInterface;
use Symfony\Component\Mailer\SentMessage;
use Symfony\Component\Mime\RawMessage;

/**
 * Uses several Transports using a round robin algorithm.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
class RoundRobinTransport implements TransportInterface
{
    /**
     * @var \SplObjectStorage<TransportInterface, float>
     */
    private \SplObjectStorage $deadTransports;
    private array $transports = [];
    private int $retryPeriod;
    private int $cursor = -1;

    /**
     * @param TransportInterface[] $transports
     */
    public function __construct(array $transports, int $retryPeriod = 60)
    {
        if (!$transports) {
            throw new TransportException(sprintf('"%s" must have at least one transport configured.', static::class));
        }

        $this->transports = $transports;
        $this->deadTransports = new \SplObjectStorage();
        $this->retryPeriod = $retryPeriod;
    }

    public function send(RawMessage $message, Envelope $envelope = null): ?SentMessage
    {
        $exception = null;

        while ($transport = $this->getNextTransport()) {
            try {
                return $transport->send($message, $envelope);
            } catch (TransportExceptionInterface $e) {
                $exception ??= new TransportException('All transports failed.');
                $exception->appendDebug(sprintf("Transport \"%s\": %s\n", $transport, $e->getDebug()));
                $this->deadTransports[$transport] = microtime(true);
            }
        }

        throw $exception ?? new TransportException('No transports found.');
    }

    public function __toString(): string
    {
        return $this->getNameSymbol().'('.implode(' ', array_map('strval', $this->transports)).')';
    }

    /**
     * Rotates the transport list around and returns the first instance.
     */
    protected function getNextTransport(): ?TransportInterface
    {
        if (-1 === $this->cursor) {
            $this->cursor = $this->getInitialCursor();
        }

        $cursor = $this->cursor;
        while (true) {
            $transport = $this->transports[$cursor];

            if (!$this->isTransportDead($transport)) {
                break;
            }

            if ((microtime(true) - $this->deadTransports[$transport]) > $this->retryPeriod) {
                $this->deadTransports->detach($transport);

                break;
            }

            if ($this->cursor === $cursor = $this->moveCursor($cursor)) {
                return null;
            }
        }

        $this->cursor = $this->moveCursor($cursor);

        return $transport;
    }

    protected function isTransportDead(TransportInterface $transport): bool
    {
        return $this->deadTransports->contains($transport);
    }

    protected function getInitialCursor(): int
    {
        // the cursor initial value is randomized so that
        // when are not in a daemon, we are still rotating the transports
        return mt_rand(0, \count($this->transports) - 1);
    }

    protected function getNameSymbol(): string
    {
        return 'roundrobin';
    }

    private function moveCursor(int $cursor): int
    {
        return ++$cursor >= \count($this->transports) ? 0 : $cursor;
    }
}
PK      }�Z����  �    AbstractTransport.phpnu W+A��        <?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\Transport;

use Psr\EventDispatcher\EventDispatcherInterface;
use Psr\Log\LoggerInterface;
use Psr\Log\NullLogger;
use Symfony\Bridge\Twig\Mime\TemplatedEmail;
use Symfony\Component\Mailer\Envelope;
use Symfony\Component\Mailer\Event\FailedMessageEvent;
use Symfony\Component\Mailer\Event\MessageEvent;
use Symfony\Component\Mailer\Event\SentMessageEvent;
use Symfony\Component\Mailer\Exception\LogicException;
use Symfony\Component\Mailer\SentMessage;
use Symfony\Component\Mime\Address;
use Symfony\Component\Mime\BodyRendererInterface;
use Symfony\Component\Mime\RawMessage;

/**
 * @author Fabien Potencier <fabien@symfony.com>
 */
abstract class AbstractTransport implements TransportInterface
{
    private ?EventDispatcherInterface $dispatcher;
    private LoggerInterface $logger;
    private float $rate = 0;
    private float $lastSent = 0;

    public function __construct(EventDispatcherInterface $dispatcher = null, LoggerInterface $logger = null)
    {
        $this->dispatcher = $dispatcher;
        $this->logger = $logger ?? new NullLogger();
    }

    /**
     * Sets the maximum number of messages to send per second (0 to disable).
     *
     * @return $this
     */
    public function setMaxPerSecond(float $rate): static
    {
        if (0 >= $rate) {
            $rate = 0;
        }

        $this->rate = $rate;
        $this->lastSent = 0;

        return $this;
    }

    public function send(RawMessage $message, Envelope $envelope = null): ?SentMessage
    {
        $message = clone $message;
        $envelope = null !== $envelope ? clone $envelope : Envelope::create($message);

        try {
            if (!$this->dispatcher) {
                $sentMessage = new SentMessage($message, $envelope);
                $this->doSend($sentMessage);

                return $sentMessage;
            }

            $event = new MessageEvent($message, $envelope, (string) $this);
            $this->dispatcher->dispatch($event);
            if ($event->isRejected()) {
                return null;
            }

            $envelope = $event->getEnvelope();
            $message = $event->getMessage();

            if ($message instanceof TemplatedEmail && !$message->isRendered()) {
                throw new LogicException(sprintf('You must configure a "%s" when a "%s" instance has a text or HTML template set.', BodyRendererInterface::class, get_debug_type($message)));
            }

            $sentMessage = new SentMessage($message, $envelope);

            try {
                $this->doSend($sentMessage);
            } catch (\Throwable $error) {
                $this->dispatcher->dispatch(new FailedMessageEvent($message, $error));
                $this->checkThrottling();

                throw $error;
            }

            $this->dispatcher->dispatch(new SentMessageEvent($sentMessage));

            return $sentMessage;
        } finally {
            $this->checkThrottling();
        }
    }

    abstract protected function doSend(SentMessage $message): void;

    /**
     * @param Address[] $addresses
     *
     * @return string[]
     */
    protected function stringifyAddresses(array $addresses): array
    {
        return array_map(fn (Address $a) => $a->toString(), $addresses);
    }

    protected function getLogger(): LoggerInterface
    {
        return $this->logger;
    }

    private function checkThrottling(): void
    {
        if (0 == $this->rate) {
            return;
        }

        $sleep = (1 / $this->rate) - (microtime(true) - $this->lastSent);
        if (0 < $sleep) {
            $this->logger->debug(sprintf('Email transport "%s" sleeps for %.2f seconds', __CLASS__, $sleep));
            usleep($sleep * 1000000);
        }
        $this->lastSent = microtime(true);
    }
}
PK      }�Z!�0��  �    FailoverTransport.phpnu W+A��        <?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\Transport;

/**
 * Uses several Transports using a failover algorithm.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
class FailoverTransport extends RoundRobinTransport
{
    private ?TransportInterface $currentTransport = null;

    protected function getNextTransport(): ?TransportInterface
    {
        if (null === $this->currentTransport || $this->isTransportDead($this->currentTransport)) {
            $this->currentTransport = parent::getNextTransport();
        }

        return $this->currentTransport;
    }

    protected function getInitialCursor(): int
    {
        return 0;
    }

    protected function getNameSymbol(): string
    {
        return 'failover';
    }
}
PK      }�Z$H+�	  �	    Dsn.phpnu W+A��        <?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\Transport;

use Symfony\Component\Mailer\Exception\InvalidArgumentException;

/**
 * @author Konstantin Myakshin <molodchick@gmail.com>
 */
final class Dsn
{
    private string $scheme;
    private string $host;
    private ?string $user;
    private ?string $password;
    private ?int $port;
    private array $options;

    public function __construct(string $scheme, string $host, string $user = null, #[\SensitiveParameter] string $password = null, int $port = null, array $options = [])
    {
        $this->scheme = $scheme;
        $this->host = $host;
        $this->user = $user;
        $this->password = $password;
        $this->port = $port;
        $this->options = $options;
    }

    public static function fromString(#[\SensitiveParameter] string $dsn): self
    {
        if (false === $parsedDsn = parse_url($dsn)) {
            throw new InvalidArgumentException('The mailer DSN is invalid.');
        }

        if (!isset($parsedDsn['scheme'])) {
            throw new InvalidArgumentException('The mailer DSN must contain a scheme.');
        }

        if (!isset($parsedDsn['host'])) {
            throw new InvalidArgumentException('The mailer DSN must contain a host (use "default" by default).');
        }

        $user = '' !== ($parsedDsn['user'] ?? '') ? urldecode($parsedDsn['user']) : null;
        $password = '' !== ($parsedDsn['pass'] ?? '') ? urldecode($parsedDsn['pass']) : null;
        $port = $parsedDsn['port'] ?? null;
        parse_str($parsedDsn['query'] ?? '', $query);

        return new self($parsedDsn['scheme'], $parsedDsn['host'], $user, $password, $port, $query);
    }

    public function getScheme(): string
    {
        return $this->scheme;
    }

    public function getHost(): string
    {
        return $this->host;
    }

    public function getUser(): ?string
    {
        return $this->user;
    }

    public function getPassword(): ?string
    {
        return $this->password;
    }

    public function getPort(int $default = null): ?int
    {
        return $this->port ?? $default;
    }

    public function getOption(string $key, mixed $default = null): mixed
    {
        return $this->options[$key] ?? $default;
    }
}
PK      }�Z#�l      AbstractApiTransport.phpnu W+A��        <?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\Transport;

use Symfony\Component\Mailer\Envelope;
use Symfony\Component\Mailer\Exception\RuntimeException;
use Symfony\Component\Mailer\SentMessage;
use Symfony\Component\Mime\Address;
use Symfony\Component\Mime\Email;
use Symfony\Component\Mime\MessageConverter;
use Symfony\Contracts\HttpClient\ResponseInterface;

/**
 * @author Fabien Potencier <fabien@symfony.com>
 */
abstract class AbstractApiTransport extends AbstractHttpTransport
{
    abstract protected function doSendApi(SentMessage $sentMessage, Email $email, Envelope $envelope): ResponseInterface;

    protected function doSendHttp(SentMessage $message): ResponseInterface
    {
        try {
            $email = MessageConverter::toEmail($message->getOriginalMessage());
        } catch (\Exception $e) {
            throw new RuntimeException(sprintf('Unable to send message with the "%s" transport: ', __CLASS__).$e->getMessage(), 0, $e);
        }

        return $this->doSendApi($message, $email, $message->getEnvelope());
    }

    protected function getRecipients(Email $email, Envelope $envelope): array
    {
        return array_filter($envelope->getRecipients(), fn (Address $address) => false === \in_array($address, array_merge($email->getCc(), $email->getBcc()), true));
    }
}
PK      }�Z&y��	  	    Transports.phpnu W+A��        <?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\Transport;

use Symfony\Component\Mailer\Envelope;
use Symfony\Component\Mailer\Exception\InvalidArgumentException;
use Symfony\Component\Mailer\Exception\LogicException;
use Symfony\Component\Mailer\SentMessage;
use Symfony\Component\Mime\Message;
use Symfony\Component\Mime\RawMessage;

/**
 * @author Fabien Potencier <fabien@symfony.com>
 */
final class Transports implements TransportInterface
{
    /**
     * @var array<string, TransportInterface>
     */
    private array $transports = [];
    private TransportInterface $default;

    /**
     * @param iterable<string, TransportInterface> $transports
     */
    public function __construct(iterable $transports)
    {
        foreach ($transports as $name => $transport) {
            $this->default ??= $transport;
            $this->transports[$name] = $transport;
        }

        if (!$this->transports) {
            throw new LogicException(sprintf('"%s" must have at least one transport configured.', __CLASS__));
        }
    }

    public function send(RawMessage $message, Envelope $envelope = null): ?SentMessage
    {
        /** @var Message $message */
        if (RawMessage::class === $message::class || !$message->getHeaders()->has('X-Transport')) {
            return $this->default->send($message, $envelope);
        }

        $headers = $message->getHeaders();
        $transport = $headers->get('X-Transport')->getBody();
        $headers->remove('X-Transport');

        if (!isset($this->transports[$transport])) {
            throw new InvalidArgumentException(sprintf('The "%s" transport does not exist (available transports: "%s").', $transport, implode('", "', array_keys($this->transports))));
        }

        try {
            return $this->transports[$transport]->send($message, $envelope);
        } catch (\Throwable $e) {
            $headers->addTextHeader('X-Transport', $transport);

            throw $e;
        }
    }

    public function __toString(): string
    {
        return '['.implode(',', array_keys($this->transports)).']';
    }
}
PK      }�ZEF�Ď  �    NullTransport.phpnu W+A��        <?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\Transport;

use Symfony\Component\Mailer\SentMessage;

/**
 * Pretends messages have been sent, but just ignores them.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
final class NullTransport extends AbstractTransport
{
    protected function doSend(SentMessage $message): void
    {
    }

    public function __toString(): string
    {
        return 'null://';
    }
}
PK      }�Z Ԑ]  ]    NullTransportFactory.phpnu W+A��        <?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\Transport;

use Symfony\Component\Mailer\Exception\UnsupportedSchemeException;

/**
 * @author Konstantin Myakshin <molodchick@gmail.com>
 */
final class NullTransportFactory extends AbstractTransportFactory
{
    public function create(Dsn $dsn): TransportInterface
    {
        if ('null' === $dsn->getScheme()) {
            return new NullTransport($this->dispatcher, $this->logger);
        }

        throw new UnsupportedSchemeException($dsn, 'null', $this->getSupportedSchemes());
    }

    protected function getSupportedSchemes(): array
    {
        return ['null'];
    }
}
PK      }�Z���0�  �    SendmailTransport.phpnu W+A��        <?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\Transport;

use Psr\EventDispatcher\EventDispatcherInterface;
use Psr\Log\LoggerInterface;
use Symfony\Component\Mailer\Envelope;
use Symfony\Component\Mailer\SentMessage;
use Symfony\Component\Mailer\Transport\Smtp\SmtpTransport;
use Symfony\Component\Mailer\Transport\Smtp\Stream\AbstractStream;
use Symfony\Component\Mailer\Transport\Smtp\Stream\ProcessStream;
use Symfony\Component\Mime\RawMessage;

/**
 * SendmailTransport for sending mail through a Sendmail/Postfix (etc..) binary.
 *
 * Transport can be instantiated through SendmailTransportFactory or NativeTransportFactory:
 *
 * - SendmailTransportFactory to use most common sendmail path and recommended options
 * - NativeTransportFactory when configuration is set via php.ini
 *
 * @author Fabien Potencier <fabien@symfony.com>
 * @author Chris Corbyn
 */
class SendmailTransport extends AbstractTransport
{
    private string $command = '/usr/sbin/sendmail -bs';
    private ProcessStream $stream;
    private ?SmtpTransport $transport = null;

    /**
     * Constructor.
     *
     * Supported modes are -bs and -t, with any additional flags desired.
     *
     * The recommended mode is "-bs" since it is interactive and failure notifications are hence possible.
     * Note that the -t mode does not support error reporting and does not support Bcc properly (the Bcc headers are not removed).
     *
     * If using -t mode, you are strongly advised to include -oi or -i in the flags (like /usr/sbin/sendmail -oi -t)
     *
     * -f<sender> flag will be appended automatically if one is not present.
     */
    public function __construct(string $command = null, EventDispatcherInterface $dispatcher = null, LoggerInterface $logger = null)
    {
        parent::__construct($dispatcher, $logger);

        if (null !== $command) {
            if (!str_contains($command, ' -bs') && !str_contains($command, ' -t')) {
                throw new \InvalidArgumentException(sprintf('Unsupported sendmail command flags "%s"; must be one of "-bs" or "-t" but can include additional flags.', $command));
            }

            $this->command = $command;
        }

        $this->stream = new ProcessStream();
        if (str_contains($this->command, ' -bs')) {
            $this->stream->setCommand($this->command);
            $this->transport = new SmtpTransport($this->stream, $dispatcher, $logger);
        }
    }

    public function send(RawMessage $message, Envelope $envelope = null): ?SentMessage
    {
        if ($this->transport) {
            return $this->transport->send($message, $envelope);
        }

        return parent::send($message, $envelope);
    }

    public function __toString(): string
    {
        if ($this->transport) {
            return (string) $this->transport;
        }

        return 'smtp://sendmail';
    }

    protected function doSend(SentMessage $message): void
    {
        $this->getLogger()->debug(sprintf('Email transport "%s" starting', __CLASS__));

        $command = $this->command;

        if ($recipients = $message->getEnvelope()->getRecipients()) {
            $command = str_replace(' -t', '', $command);
        }

        if (!str_contains($command, ' -f')) {
            $command .= ' -f'.escapeshellarg($message->getEnvelope()->getSender()->getEncodedAddress());
        }

        $chunks = AbstractStream::replace("\r\n", "\n", $message->toIterable());

        if (!str_contains($command, ' -i') && !str_contains($command, ' -oi')) {
            $chunks = AbstractStream::replace("\n.", "\n..", $chunks);
        }

        foreach ($recipients as $recipient) {
            $command .= ' '.escapeshellarg($recipient->getEncodedAddress());
        }

        $this->stream->setCommand($command);
        $this->stream->initialize();
        foreach ($chunks as $chunk) {
            $this->stream->write($chunk);
        }
        $this->stream->flush();
        $this->stream->terminate();

        $this->getLogger()->debug(sprintf('Email transport "%s" stopped', __CLASS__));
    }
}
PK      }�Zw�~�  �    AbstractTransportFactory.phpnu W+A��        <?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\Transport;

use Psr\EventDispatcher\EventDispatcherInterface;
use Psr\Log\LoggerInterface;
use Symfony\Component\Mailer\Exception\IncompleteDsnException;
use Symfony\Contracts\HttpClient\HttpClientInterface;

/**
 * @author Konstantin Myakshin <molodchick@gmail.com>
 */
abstract class AbstractTransportFactory implements TransportFactoryInterface
{
    protected $dispatcher;
    protected $client;
    protected $logger;

    public function __construct(EventDispatcherInterface $dispatcher = null, HttpClientInterface $client = null, LoggerInterface $logger = null)
    {
        $this->dispatcher = $dispatcher;
        $this->client = $client;
        $this->logger = $logger;
    }

    public function supports(Dsn $dsn): bool
    {
        return \in_array($dsn->getScheme(), $this->getSupportedSchemes());
    }

    abstract protected function getSupportedSchemes(): array;

    protected function getUser(Dsn $dsn): string
    {
        return $dsn->getUser() ?? throw new IncompleteDsnException('User is not set.');
    }

    protected function getPassword(Dsn $dsn): string
    {
        return $dsn->getPassword() ?? throw new IncompleteDsnException('Password is not set.');
    }
}
PK      }�Z�,)p  p     Smtp/Auth/PlainAuthenticator.phpnu W+A��        <?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\Transport\Smtp\Auth;

use Symfony\Component\Mailer\Transport\Smtp\EsmtpTransport;

/**
 * Handles PLAIN authentication.
 *
 * @author Chris Corbyn
 */
class PlainAuthenticator implements AuthenticatorInterface
{
    public function getAuthKeyword(): string
    {
        return 'PLAIN';
    }

    /**
     * @see https://www.ietf.org/rfc/rfc4954.txt
     */
    public function authenticate(EsmtpTransport $client): void
    {
        $client->executeCommand(sprintf("AUTH PLAIN %s\r\n", base64_encode($client->getUsername().\chr(0).$client->getUsername().\chr(0).$client->getPassword())), [235]);
    }
}
PK      }�Z��b�    "  Smtp/Auth/XOAuth2Authenticator.phpnu W+A��        <?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\Transport\Smtp\Auth;

use Symfony\Component\Mailer\Transport\Smtp\EsmtpTransport;

/**
 * Handles XOAUTH2 authentication.
 *
 * @author xu.li<AthenaLightenedMyPath@gmail.com>
 *
 * @see https://developers.google.com/google-apps/gmail/xoauth2_protocol
 */
class XOAuth2Authenticator implements AuthenticatorInterface
{
    public function getAuthKeyword(): string
    {
        return 'XOAUTH2';
    }

    /**
     * @see https://developers.google.com/google-apps/gmail/xoauth2_protocol#the_sasl_xoauth2_mechanism
     */
    public function authenticate(EsmtpTransport $client): void
    {
        $client->executeCommand('AUTH XOAUTH2 '.base64_encode('user='.$client->getUsername()."\1auth=Bearer ".$client->getPassword()."\1\1")."\r\n", [235]);
    }
}
PK      }�Z̗��  �     Smtp/Auth/LoginAuthenticator.phpnu W+A��        <?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\Transport\Smtp\Auth;

use Symfony\Component\Mailer\Transport\Smtp\EsmtpTransport;

/**
 * Handles LOGIN authentication.
 *
 * @author Chris Corbyn
 */
class LoginAuthenticator implements AuthenticatorInterface
{
    public function getAuthKeyword(): string
    {
        return 'LOGIN';
    }

    /**
     * @see https://www.ietf.org/rfc/rfc4954.txt
     */
    public function authenticate(EsmtpTransport $client): void
    {
        $client->executeCommand("AUTH LOGIN\r\n", [334]);
        $client->executeCommand(sprintf("%s\r\n", base64_encode($client->getUsername())), [334]);
        $client->executeCommand(sprintf("%s\r\n", base64_encode($client->getPassword())), [235]);
    }
}
PK      }�Zn?  ?  $  Smtp/Auth/AuthenticatorInterface.phpnu W+A��        <?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\Transport\Smtp\Auth;

use Symfony\Component\Mailer\Exception\TransportExceptionInterface;
use Symfony\Component\Mailer\Transport\Smtp\EsmtpTransport;

/**
 * An Authentication mechanism.
 *
 * @author Chris Corbyn
 */
interface AuthenticatorInterface
{
    /**
     * Tries to authenticate the user.
     *
     * @throws TransportExceptionInterface
     */
    public function authenticate(EsmtpTransport $client): void;

    /**
     * Gets the name of the AUTH mechanism this Authenticator handles.
     */
    public function getAuthKeyword(): string;
}
PK      }�Z��R�  �  "  Smtp/Auth/CramMd5Authenticator.phpnu W+A��        <?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\Transport\Smtp\Auth;

use Symfony\Component\Mailer\Transport\Smtp\EsmtpTransport;

/**
 * Handles CRAM-MD5 authentication.
 *
 * @author Chris Corbyn
 */
class CramMd5Authenticator implements AuthenticatorInterface
{
    public function getAuthKeyword(): string
    {
        return 'CRAM-MD5';
    }

    /**
     * @see https://www.ietf.org/rfc/rfc4954.txt
     */
    public function authenticate(EsmtpTransport $client): void
    {
        $challenge = $client->executeCommand("AUTH CRAM-MD5\r\n", [334]);
        $challenge = base64_decode(substr($challenge, 4));
        $message = base64_encode($client->getUsername().' '.$this->getResponse($client->getPassword(), $challenge));
        $client->executeCommand(sprintf("%s\r\n", $message), [235]);
    }

    /**
     * Generates a CRAM-MD5 response from a server challenge.
     */
    private function getResponse(#[\SensitiveParameter] string $secret, string $challenge): string
    {
        if (\strlen($secret) > 64) {
            $secret = pack('H32', md5($secret));
        }

        if (\strlen($secret) < 64) {
            $secret = str_pad($secret, 64, \chr(0));
        }

        $kipad = substr($secret, 0, 64) ^ str_repeat(\chr(0x36), 64);
        $kopad = substr($secret, 0, 64) ^ str_repeat(\chr(0x5C), 64);

        $inner = pack('H32', md5($kipad.$challenge));
        $digest = md5($kopad.$inner);

        return $digest;
    }
}
PK      }�ZϭB��/  �/    Smtp/SmtpTransport.phpnu W+A��        <?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\Transport\Smtp;

use Psr\EventDispatcher\EventDispatcherInterface;
use Psr\Log\LoggerInterface;
use Symfony\Component\Mailer\Envelope;
use Symfony\Component\Mailer\Exception\LogicException;
use Symfony\Component\Mailer\Exception\TransportException;
use Symfony\Component\Mailer\Exception\TransportExceptionInterface;
use Symfony\Component\Mailer\SentMessage;
use Symfony\Component\Mailer\Transport\AbstractTransport;
use Symfony\Component\Mailer\Transport\Smtp\Stream\AbstractStream;
use Symfony\Component\Mailer\Transport\Smtp\Stream\SocketStream;
use Symfony\Component\Mime\RawMessage;

/**
 * Sends emails over SMTP.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 * @author Chris Corbyn
 */
class SmtpTransport extends AbstractTransport
{
    private bool $started = false;
    private int $restartThreshold = 100;
    private int $restartThresholdSleep = 0;
    private int $restartCounter = 0;
    private int $pingThreshold = 100;
    private float $lastMessageTime = 0;
    private AbstractStream $stream;
    private string $mtaResult = '';
    private string $domain = '[127.0.0.1]';

    public function __construct(AbstractStream $stream = null, EventDispatcherInterface $dispatcher = null, LoggerInterface $logger = null)
    {
        parent::__construct($dispatcher, $logger);

        $this->stream = $stream ?? new SocketStream();
    }

    public function getStream(): AbstractStream
    {
        return $this->stream;
    }

    /**
     * Sets the maximum number of messages to send before re-starting the transport.
     *
     * By default, the threshold is set to 100 (and no sleep at restart).
     *
     * @param int $threshold The maximum number of messages (0 to disable)
     * @param int $sleep     The number of seconds to sleep between stopping and re-starting the transport
     *
     * @return $this
     */
    public function setRestartThreshold(int $threshold, int $sleep = 0): static
    {
        $this->restartThreshold = $threshold;
        $this->restartThresholdSleep = $sleep;

        return $this;
    }

    /**
     * Sets the minimum number of seconds required between two messages, before the server is pinged.
     * If the transport wants to send a message and the time since the last message exceeds the specified threshold,
     * the transport will ping the server first (NOOP command) to check if the connection is still alive.
     * Otherwise the message will be sent without pinging the server first.
     *
     * Do not set the threshold too low, as the SMTP server may drop the connection if there are too many
     * non-mail commands (like pinging the server with NOOP).
     *
     * By default, the threshold is set to 100 seconds.
     *
     * @param int $seconds The minimum number of seconds between two messages required to ping the server
     *
     * @return $this
     */
    public function setPingThreshold(int $seconds): static
    {
        $this->pingThreshold = $seconds;

        return $this;
    }

    /**
     * Sets the name of the local domain that will be used in HELO.
     *
     * This should be a fully-qualified domain name and should be truly the domain
     * you're using.
     *
     * If your server does not have a domain name, use the IP address. This will
     * automatically be wrapped in square brackets as described in RFC 5321,
     * section 4.1.3.
     *
     * @return $this
     */
    public function setLocalDomain(string $domain): static
    {
        if ('' !== $domain && '[' !== $domain[0]) {
            if (filter_var($domain, \FILTER_VALIDATE_IP, \FILTER_FLAG_IPV4)) {
                $domain = '['.$domain.']';
            } elseif (filter_var($domain, \FILTER_VALIDATE_IP, \FILTER_FLAG_IPV6)) {
                $domain = '[IPv6:'.$domain.']';
            }
        }

        $this->domain = $domain;

        return $this;
    }

    /**
     * Gets the name of the domain that will be used in HELO.
     *
     * If an IP address was specified, this will be returned wrapped in square
     * brackets as described in RFC 5321, section 4.1.3.
     */
    public function getLocalDomain(): string
    {
        return $this->domain;
    }

    public function send(RawMessage $message, Envelope $envelope = null): ?SentMessage
    {
        try {
            $message = parent::send($message, $envelope);
        } catch (TransportExceptionInterface $e) {
            if ($this->started) {
                try {
                    $this->executeCommand("RSET\r\n", [250]);
                } catch (TransportExceptionInterface) {
                    // ignore this exception as it probably means that the server error was final
                }
            }

            throw $e;
        }

        if ($this->mtaResult && $messageId = $this->parseMessageId($this->mtaResult)) {
            $message->setMessageId($messageId);
        }

        $this->checkRestartThreshold();

        return $message;
    }

    protected function parseMessageId(string $mtaResult): string
    {
        $regexps = [
            '/250 Ok (?P<id>[0-9a-f-]+)\r?$/mis',
            '/250 Ok:? queued as (?P<id>[A-Z0-9]+)\r?$/mis',
        ];
        $matches = [];
        foreach ($regexps as $regexp) {
            if (preg_match($regexp, $mtaResult, $matches)) {
                return $matches['id'];
            }
        }

        return '';
    }

    public function __toString(): string
    {
        if ($this->stream instanceof SocketStream) {
            $name = sprintf('smtp%s://%s', ($tls = $this->stream->isTLS()) ? 's' : '', $this->stream->getHost());
            $port = $this->stream->getPort();
            if (!(25 === $port || ($tls && 465 === $port))) {
                $name .= ':'.$port;
            }

            return $name;
        }

        return 'smtp://sendmail';
    }

    /**
     * Runs a command against the stream, expecting the given response codes.
     *
     * @param int[] $codes
     *
     * @throws TransportException when an invalid response if received
     */
    public function executeCommand(string $command, array $codes): string
    {
        $this->stream->write($command);
        $response = $this->getFullResponse();
        $this->assertResponseCode($response, $codes);

        return $response;
    }

    protected function doSend(SentMessage $message): void
    {
        if (microtime(true) - $this->lastMessageTime > $this->pingThreshold) {
            $this->ping();
        }

        if (!$this->started) {
            $this->start();
        }

        try {
            $envelope = $message->getEnvelope();
            $this->doMailFromCommand($envelope->getSender()->getEncodedAddress());
            foreach ($envelope->getRecipients() as $recipient) {
                $this->doRcptToCommand($recipient->getEncodedAddress());
            }

            $this->executeCommand("DATA\r\n", [354]);
            try {
                foreach (AbstractStream::replace("\r\n.", "\r\n..", $message->toIterable()) as $chunk) {
                    $this->stream->write($chunk, false);
                }
                $this->stream->flush();
            } catch (TransportExceptionInterface $e) {
                throw $e;
            } catch (\Exception $e) {
                $this->stream->terminate();
                $this->started = false;
                $this->getLogger()->debug(sprintf('Email transport "%s" stopped', __CLASS__));
                throw $e;
            }
            $this->mtaResult = $this->executeCommand("\r\n.\r\n", [250]);
            $message->appendDebug($this->stream->getDebug());
            $this->lastMessageTime = microtime(true);
        } catch (TransportExceptionInterface $e) {
            $e->appendDebug($this->stream->getDebug());
            $this->lastMessageTime = 0;
            throw $e;
        }
    }

    /**
     * @internal since version 6.1, to be made private in 7.0
     *
     * @final since version 6.1, to be made private in 7.0
     */
    protected function doHeloCommand(): void
    {
        $this->executeCommand(sprintf("HELO %s\r\n", $this->domain), [250]);
    }

    private function doMailFromCommand(string $address): void
    {
        $this->executeCommand(sprintf("MAIL FROM:<%s>\r\n", $address), [250]);
    }

    private function doRcptToCommand(string $address): void
    {
        $this->executeCommand(sprintf("RCPT TO:<%s>\r\n", $address), [250, 251, 252]);
    }

    public function start(): void
    {
        if ($this->started) {
            return;
        }

        $this->getLogger()->debug(sprintf('Email transport "%s" starting', __CLASS__));

        $this->stream->initialize();
        $this->assertResponseCode($this->getFullResponse(), [220]);
        $this->doHeloCommand();
        $this->started = true;
        $this->lastMessageTime = 0;

        $this->getLogger()->debug(sprintf('Email transport "%s" started', __CLASS__));
    }

    /**
     * Manually disconnect from the SMTP server.
     *
     * In most cases this is not necessary since the disconnect happens automatically on termination.
     * In cases of long-running scripts, this might however make sense to avoid keeping an open
     * connection to the SMTP server in between sending emails.
     */
    public function stop(): void
    {
        if (!$this->started) {
            return;
        }

        $this->getLogger()->debug(sprintf('Email transport "%s" stopping', __CLASS__));

        try {
            $this->executeCommand("QUIT\r\n", [221]);
        } catch (TransportExceptionInterface) {
        } finally {
            $this->stream->terminate();
            $this->started = false;
            $this->getLogger()->debug(sprintf('Email transport "%s" stopped', __CLASS__));
        }
    }

    private function ping(): void
    {
        if (!$this->started) {
            return;
        }

        try {
            $this->executeCommand("NOOP\r\n", [250]);
        } catch (TransportExceptionInterface) {
            $this->stop();
        }
    }

    /**
     * @throws TransportException if a response code is incorrect
     */
    private function assertResponseCode(string $response, array $codes): void
    {
        if (!$codes) {
            throw new LogicException('You must set the expected response code.');
        }

        [$code] = sscanf($response, '%3d');
        $valid = \in_array($code, $codes);

        if (!$valid || !$response) {
            $codeStr = $code ? sprintf('code "%s"', $code) : 'empty code';
            $responseStr = $response ? sprintf(', with message "%s"', trim($response)) : '';

            throw new TransportException(sprintf('Expected response code "%s" but got ', implode('/', $codes)).$codeStr.$responseStr.'.', $code ?: 0);
        }
    }

    private function getFullResponse(): string
    {
        $response = '';
        do {
            $line = $this->stream->readLine();
            $response .= $line;
        } while ($line && isset($line[3]) && ' ' !== $line[3]);

        return $response;
    }

    private function checkRestartThreshold(): void
    {
        // when using sendmail via non-interactive mode, the transport is never "started"
        if (!$this->started) {
            return;
        }

        ++$this->restartCounter;
        if ($this->restartCounter < $this->restartThreshold) {
            return;
        }

        $this->stop();
        if (0 < $sleep = $this->restartThresholdSleep) {
            $this->getLogger()->debug(sprintf('Email transport "%s" sleeps for %d seconds after stopping', __CLASS__, $sleep));

            sleep($sleep);
        }
        $this->start();
        $this->restartCounter = 0;
    }

    public function __sleep(): array
    {
        throw new \BadMethodCallException('Cannot serialize '.__CLASS__);
    }

    public function __wakeup()
    {
        throw new \BadMethodCallException('Cannot unserialize '.__CLASS__);
    }

    public function __destruct()
    {
        $this->stop();
    }
}
PK      }�Z��+�  �    Smtp/Stream/AbstractStream.phpnu W+A��        <?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\Transport\Smtp\Stream;

use Symfony\Component\Mailer\Exception\TransportException;

/**
 * A stream supporting remote sockets and local processes.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 * @author Nicolas Grekas <p@tchwork.com>
 * @author Chris Corbyn
 *
 * @internal
 */
abstract class AbstractStream
{
    protected $stream;
    protected $in;
    protected $out;

    private string $debug = '';

    public function write(string $bytes, bool $debug = true): void
    {
        if ($debug) {
            foreach (explode("\n", trim($bytes)) as $line) {
                $this->debug .= sprintf("> %s\n", $line);
            }
        }

        $bytesToWrite = \strlen($bytes);
        $totalBytesWritten = 0;
        while ($totalBytesWritten < $bytesToWrite) {
            $bytesWritten = @fwrite($this->in, substr($bytes, $totalBytesWritten));
            if (false === $bytesWritten || 0 === $bytesWritten) {
                throw new TransportException('Unable to write bytes on the wire.');
            }

            $totalBytesWritten += $bytesWritten;
        }
    }

    /**
     * Flushes the contents of the stream (empty it) and set the internal pointer to the beginning.
     */
    public function flush(): void
    {
        fflush($this->in);
    }

    /**
     * Performs any initialization needed.
     */
    abstract public function initialize(): void;

    public function terminate(): void
    {
        $this->stream = $this->out = $this->in = null;
    }

    public function readLine(): string
    {
        if (feof($this->out)) {
            return '';
        }

        $line = fgets($this->out);
        if ('' === $line || false === $line) {
            $metas = stream_get_meta_data($this->out);
            if ($metas['timed_out']) {
                throw new TransportException(sprintf('Connection to "%s" timed out.', $this->getReadConnectionDescription()));
            }
            if ($metas['eof']) {
                throw new TransportException(sprintf('Connection to "%s" has been closed unexpectedly.', $this->getReadConnectionDescription()));
            }
        }

        $this->debug .= sprintf('< %s', $line);

        return $line;
    }

    public function getDebug(): string
    {
        $debug = $this->debug;
        $this->debug = '';

        return $debug;
    }

    public static function replace(string $from, string $to, iterable $chunks): \Generator
    {
        if ('' === $from) {
            yield from $chunks;

            return;
        }

        $carry = '';
        $fromLen = \strlen($from);

        foreach ($chunks as $chunk) {
            if ('' === $chunk = $carry.$chunk) {
                continue;
            }

            if (str_contains($chunk, $from)) {
                $chunk = explode($from, $chunk);
                $carry = array_pop($chunk);

                yield implode($to, $chunk).$to;
            } else {
                $carry = $chunk;
            }

            if (\strlen($carry) > $fromLen) {
                yield substr($carry, 0, -$fromLen);
                $carry = substr($carry, -$fromLen);
            }
        }

        if ('' !== $carry) {
            yield $carry;
        }
    }

    abstract protected function getReadConnectionDescription(): string;
}
PK      }�ZGa=G  G    Smtp/Stream/ProcessStream.phpnu W+A��        <?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\Transport\Smtp\Stream;

use Symfony\Component\Mailer\Exception\TransportException;

/**
 * A stream supporting local processes.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 * @author Chris Corbyn
 *
 * @internal
 */
final class ProcessStream extends AbstractStream
{
    private string $command;

    public function setCommand(string $command): void
    {
        $this->command = $command;
    }

    public function initialize(): void
    {
        $descriptorSpec = [
            0 => ['pipe', 'r'],
            1 => ['pipe', 'w'],
            2 => ['pipe', '\\' === \DIRECTORY_SEPARATOR ? 'a' : 'w'],
        ];
        $pipes = [];
        $this->stream = proc_open($this->command, $descriptorSpec, $pipes);
        stream_set_blocking($pipes[2], false);
        if ($err = stream_get_contents($pipes[2])) {
            throw new TransportException('Process could not be started: '.$err);
        }
        $this->in = &$pipes[0];
        $this->out = &$pipes[1];
    }

    public function terminate(): void
    {
        if (null !== $this->stream) {
            fclose($this->in);
            fclose($this->out);
            proc_close($this->stream);
        }

        parent::terminate();
    }

    protected function getReadConnectionDescription(): string
    {
        return 'process '.$this->command;
    }
}
PK      }�Z#��  �    Smtp/Stream/SocketStream.phpnu W+A��        <?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\Transport\Smtp\Stream;

use Symfony\Component\Mailer\Exception\TransportException;

/**
 * A stream supporting remote sockets.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 * @author Chris Corbyn
 *
 * @internal
 */
final class SocketStream extends AbstractStream
{
    private string $url;
    private string $host = 'localhost';
    private int $port = 465;
    private float $timeout;
    private bool $tls = true;
    private ?string $sourceIp = null;
    private array $streamContextOptions = [];

    /**
     * @return $this
     */
    public function setTimeout(float $timeout): static
    {
        $this->timeout = $timeout;

        return $this;
    }

    public function getTimeout(): float
    {
        return $this->timeout ?? (float) \ini_get('default_socket_timeout');
    }

    /**
     * Literal IPv6 addresses should be wrapped in square brackets.
     *
     * @return $this
     */
    public function setHost(string $host): static
    {
        $this->host = $host;

        return $this;
    }

    public function getHost(): string
    {
        return $this->host;
    }

    /**
     * @return $this
     */
    public function setPort(int $port): static
    {
        $this->port = $port;

        return $this;
    }

    public function getPort(): int
    {
        return $this->port;
    }

    /**
     * Sets the TLS/SSL on the socket (disables STARTTLS).
     *
     * @return $this
     */
    public function disableTls(): static
    {
        $this->tls = false;

        return $this;
    }

    public function isTLS(): bool
    {
        return $this->tls;
    }

    /**
     * @return $this
     */
    public function setStreamOptions(array $options): static
    {
        $this->streamContextOptions = $options;

        return $this;
    }

    public function getStreamOptions(): array
    {
        return $this->streamContextOptions;
    }

    /**
     * Sets the source IP.
     *
     * IPv6 addresses should be wrapped in square brackets.
     *
     * @return $this
     */
    public function setSourceIp(string $ip): static
    {
        $this->sourceIp = $ip;

        return $this;
    }

    /**
     * Returns the IP used to connect to the destination.
     */
    public function getSourceIp(): ?string
    {
        return $this->sourceIp;
    }

    public function initialize(): void
    {
        $this->url = $this->host.':'.$this->port;
        if ($this->tls) {
            $this->url = 'ssl://'.$this->url;
        }
        $options = [];
        if ($this->sourceIp) {
            $options['socket']['bindto'] = $this->sourceIp.':0';
        }
        if ($this->streamContextOptions) {
            $options = array_merge($options, $this->streamContextOptions);
        }
        // do it unconditionally as it will be used by STARTTLS as well if supported
        $options['ssl']['crypto_method'] ??= \STREAM_CRYPTO_METHOD_TLS_CLIENT | \STREAM_CRYPTO_METHOD_TLSv1_2_CLIENT | \STREAM_CRYPTO_METHOD_TLSv1_1_CLIENT;
        $streamContext = stream_context_create($options);

        $timeout = $this->getTimeout();
        set_error_handler(function ($type, $msg) {
            throw new TransportException(sprintf('Connection could not be established with host "%s": ', $this->url).$msg);
        });
        try {
            $this->stream = stream_socket_client($this->url, $errno, $errstr, $timeout, \STREAM_CLIENT_CONNECT, $streamContext);
        } finally {
            restore_error_handler();
        }

        stream_set_blocking($this->stream, true);
        stream_set_timeout($this->stream, $timeout);
        $this->in = &$this->stream;
        $this->out = &$this->stream;
    }

    public function startTLS(): bool
    {
        set_error_handler(function ($type, $msg) {
            throw new TransportException('Unable to connect with STARTTLS: '.$msg);
        });
        try {
            return stream_socket_enable_crypto($this->stream, true);
        } finally {
            restore_error_handler();
        }
    }

    public function terminate(): void
    {
        if (null !== $this->stream) {
            fclose($this->stream);
        }

        parent::terminate();
    }

    protected function getReadConnectionDescription(): string
    {
        return $this->url;
    }
}
PK      }�Z1��      Smtp/EsmtpTransport.phpnu W+A��        <?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\Transport\Smtp;

use Psr\EventDispatcher\EventDispatcherInterface;
use Psr\Log\LoggerInterface;
use Symfony\Component\Mailer\Exception\TransportException;
use Symfony\Component\Mailer\Exception\TransportExceptionInterface;
use Symfony\Component\Mailer\Transport\Smtp\Auth\AuthenticatorInterface;
use Symfony\Component\Mailer\Transport\Smtp\Stream\AbstractStream;
use Symfony\Component\Mailer\Transport\Smtp\Stream\SocketStream;

/**
 * Sends Emails over SMTP with ESMTP support.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 * @author Chris Corbyn
 */
class EsmtpTransport extends SmtpTransport
{
    private array $authenticators = [];
    private string $username = '';
    private string $password = '';
    private array $capabilities;

    public function __construct(string $host = 'localhost', int $port = 0, bool $tls = null, EventDispatcherInterface $dispatcher = null, LoggerInterface $logger = null, AbstractStream $stream = null, array $authenticators = null)
    {
        parent::__construct($stream, $dispatcher, $logger);

        if (null === $authenticators) {
            // fallback to default authenticators
            // order is important here (roughly most secure and popular first)
            $authenticators = [
                new Auth\CramMd5Authenticator(),
                new Auth\LoginAuthenticator(),
                new Auth\PlainAuthenticator(),
                new Auth\XOAuth2Authenticator(),
            ];
        }
        $this->setAuthenticators($authenticators);

        /** @var SocketStream $stream */
        $stream = $this->getStream();

        if (null === $tls) {
            if (465 === $port) {
                $tls = true;
            } else {
                $tls = \defined('OPENSSL_VERSION_NUMBER') && 0 === $port && 'localhost' !== $host;
            }
        }
        if (!$tls) {
            $stream->disableTls();
        }
        if (0 === $port) {
            $port = $tls ? 465 : 25;
        }

        $stream->setHost($host);
        $stream->setPort($port);
    }

    /**
     * @return $this
     */
    public function setUsername(string $username): static
    {
        $this->username = $username;

        return $this;
    }

    public function getUsername(): string
    {
        return $this->username;
    }

    /**
     * @return $this
     */
    public function setPassword(#[\SensitiveParameter] string $password): static
    {
        $this->password = $password;

        return $this;
    }

    public function getPassword(): string
    {
        return $this->password;
    }

    public function setAuthenticators(array $authenticators): void
    {
        $this->authenticators = [];
        foreach ($authenticators as $authenticator) {
            $this->addAuthenticator($authenticator);
        }
    }

    public function addAuthenticator(AuthenticatorInterface $authenticator): void
    {
        $this->authenticators[] = $authenticator;
    }

    public function executeCommand(string $command, array $codes): string
    {
        return [250] === $codes && str_starts_with($command, 'HELO ') ? $this->doEhloCommand() : parent::executeCommand($command, $codes);
    }

    final protected function getCapabilities(): array
    {
        return $this->capabilities;
    }

    private function doEhloCommand(): string
    {
        try {
            $response = $this->executeCommand(sprintf("EHLO %s\r\n", $this->getLocalDomain()), [250]);
        } catch (TransportExceptionInterface $e) {
            try {
                return parent::executeCommand(sprintf("HELO %s\r\n", $this->getLocalDomain()), [250]);
            } catch (TransportExceptionInterface $ex) {
                if (!$ex->getCode()) {
                    throw $e;
                }

                throw $ex;
            }
        }

        $this->capabilities = $this->parseCapabilities($response);

        /** @var SocketStream $stream */
        $stream = $this->getStream();
        // WARNING: !$stream->isTLS() is right, 100% sure :)
        // if you think that the ! should be removed, read the code again
        // if doing so "fixes" your issue then it probably means your SMTP server behaves incorrectly or is wrongly configured
        if (!$stream->isTLS() && \defined('OPENSSL_VERSION_NUMBER') && \array_key_exists('STARTTLS', $this->capabilities)) {
            $this->executeCommand("STARTTLS\r\n", [220]);

            if (!$stream->startTLS()) {
                throw new TransportException('Unable to connect with STARTTLS.');
            }

            $response = $this->executeCommand(sprintf("EHLO %s\r\n", $this->getLocalDomain()), [250]);
            $this->capabilities = $this->parseCapabilities($response);
        }

        if (\array_key_exists('AUTH', $this->capabilities)) {
            $this->handleAuth($this->capabilities['AUTH']);
        }

        return $response;
    }

    private function parseCapabilities(string $ehloResponse): array
    {
        $capabilities = [];
        $lines = explode("\r\n", trim($ehloResponse));
        array_shift($lines);
        foreach ($lines as $line) {
            if (preg_match('/^[0-9]{3}[ -]([A-Z0-9-]+)((?:[ =].*)?)$/Di', $line, $matches)) {
                $value = strtoupper(ltrim($matches[2], ' ='));
                $capabilities[strtoupper($matches[1])] = $value ? explode(' ', $value) : [];
            }
        }

        return $capabilities;
    }

    private function handleAuth(array $modes): void
    {
        if (!$this->username) {
            return;
        }

        $authNames = [];
        $errors = [];
        $modes = array_map('strtolower', $modes);
        foreach ($this->authenticators as $authenticator) {
            if (!\in_array(strtolower($authenticator->getAuthKeyword()), $modes, true)) {
                continue;
            }

            $code = null;
            $authNames[] = $authenticator->getAuthKeyword();
            try {
                $authenticator->authenticate($this);

                return;
            } catch (TransportExceptionInterface $e) {
                $code = $e->getCode();

                try {
                    $this->executeCommand("RSET\r\n", [250]);
                } catch (TransportExceptionInterface) {
                    // ignore this exception as it probably means that the server error was final
                }

                // keep the error message, but tries the other authenticators
                $errors[$authenticator->getAuthKeyword()] = $e->getMessage();
            }
        }

        if (!$authNames) {
            throw new TransportException(sprintf('Failed to find an authenticator supported by the SMTP server, which currently supports: "%s".', implode('", "', $modes)), $code ?: 504);
        }

        $message = sprintf('Failed to authenticate on SMTP server with username "%s" using the following authenticators: "%s".', $this->username, implode('", "', $authNames));
        foreach ($errors as $name => $error) {
            $message .= sprintf(' Authenticator "%s" returned "%s".', $name, $error);
        }

        throw new TransportException($message, $code ?: 535);
    }
}
PK      }�Z�lb	  b	    Smtp/EsmtpTransportFactory.phpnu W+A��        <?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\Transport\Smtp;

use Symfony\Component\Mailer\Transport\AbstractTransportFactory;
use Symfony\Component\Mailer\Transport\Dsn;
use Symfony\Component\Mailer\Transport\Smtp\Stream\SocketStream;
use Symfony\Component\Mailer\Transport\TransportInterface;

/**
 * @author Konstantin Myakshin <molodchick@gmail.com>
 */
final class EsmtpTransportFactory extends AbstractTransportFactory
{
    public function create(Dsn $dsn): TransportInterface
    {
        $tls = 'smtps' === $dsn->getScheme() ? true : null;
        $port = $dsn->getPort(0);
        $host = $dsn->getHost();

        $transport = new EsmtpTransport($host, $port, $tls, $this->dispatcher, $this->logger);

        if ('' !== $dsn->getOption('verify_peer') && !filter_var($dsn->getOption('verify_peer', true), \FILTER_VALIDATE_BOOL)) {
            /** @var SocketStream $stream */
            $stream = $transport->getStream();
            $streamOptions = $stream->getStreamOptions();

            $streamOptions['ssl']['verify_peer'] = false;
            $streamOptions['ssl']['verify_peer_name'] = false;

            $stream->setStreamOptions($streamOptions);
        }

        if ($user = $dsn->getUser()) {
            $transport->setUsername($user);
        }

        if ($password = $dsn->getPassword()) {
            $transport->setPassword($password);
        }

        if (null !== ($localDomain = $dsn->getOption('local_domain'))) {
            $transport->setLocalDomain($localDomain);
        }

        if (null !== ($maxPerSecond = $dsn->getOption('max_per_second'))) {
            $transport->setMaxPerSecond((float) $maxPerSecond);
        }

        if (null !== ($restartThreshold = $dsn->getOption('restart_threshold'))) {
            $transport->setRestartThreshold((int) $restartThreshold, (int) $dsn->getOption('restart_threshold_sleep', 0));
        }

        if (null !== ($pingThreshold = $dsn->getOption('ping_threshold'))) {
            $transport->setPingThreshold((int) $pingThreshold);
        }

        return $transport;
    }

    protected function getSupportedSchemes(): array
    {
        return ['smtp', 'smtps'];
    }
}
PK      }�Z?5N      NativeTransportFactory.phpnu W+A��        <?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\Transport;

use Symfony\Component\Mailer\Exception\TransportException;
use Symfony\Component\Mailer\Exception\UnsupportedSchemeException;
use Symfony\Component\Mailer\Transport\Smtp\SmtpTransport;
use Symfony\Component\Mailer\Transport\Smtp\Stream\SocketStream;

/**
 * Factory that configures a transport (sendmail or SMTP) based on php.ini settings.
 *
 * @author Laurent VOULLEMIER <laurent.voullemier@gmail.com>
 */
final class NativeTransportFactory extends AbstractTransportFactory
{
    public function create(Dsn $dsn): TransportInterface
    {
        if (!\in_array($dsn->getScheme(), $this->getSupportedSchemes(), true)) {
            throw new UnsupportedSchemeException($dsn, 'native', $this->getSupportedSchemes());
        }

        if ($sendMailPath = ini_get('sendmail_path')) {
            return new SendmailTransport($sendMailPath, $this->dispatcher, $this->logger);
        }

        if ('\\' !== \DIRECTORY_SEPARATOR) {
            throw new TransportException('sendmail_path is not configured in php.ini.');
        }

        // Only for windows hosts; at this point non-windows
        // host have already thrown an exception or returned a transport
        $host = ini_get('SMTP');
        $port = (int) ini_get('smtp_port');

        if (!$host || !$port) {
            throw new TransportException('smtp or smtp_port is not configured in php.ini.');
        }

        $socketStream = new SocketStream();
        $socketStream->setHost($host);
        $socketStream->setPort($port);
        if (465 !== $port) {
            $socketStream->disableTls();
        }

        return new SmtpTransport($socketStream, $this->dispatcher, $this->logger);
    }

    protected function getSupportedSchemes(): array
    {
        return ['native'];
    }
}
PK      }�Z|i}��  �    TransportFactoryInterface.phpnu W+A��        <?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\Transport;

use Symfony\Component\Mailer\Exception\IncompleteDsnException;
use Symfony\Component\Mailer\Exception\UnsupportedSchemeException;

/**
 * @author Konstantin Myakshin <molodchick@gmail.com>
 */
interface TransportFactoryInterface
{
    /**
     * @throws UnsupportedSchemeException
     * @throws IncompleteDsnException
     */
    public function create(Dsn $dsn): TransportInterface;

    public function supports(Dsn $dsn): bool;
}
PK      }�Z�wԑ  �    TransportInterface.phpnu W+A��        <?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\Transport;

use Symfony\Component\Mailer\Envelope;
use Symfony\Component\Mailer\Exception\TransportExceptionInterface;
use Symfony\Component\Mailer\SentMessage;
use Symfony\Component\Mime\RawMessage;

/**
 * Interface for all mailer transports.
 *
 * When sending emails, you should prefer MailerInterface implementations
 * as they allow asynchronous sending.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
interface TransportInterface
{
    /**
     * @throws TransportExceptionInterface
     */
    public function send(RawMessage $message, Envelope $envelope = null): ?SentMessage;

    public function __toString(): string;
}
PK      }�Z/�e  e    AbstractHttpTransport.phpnu W+A��        <?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\Transport;

use Psr\EventDispatcher\EventDispatcherInterface;
use Psr\Log\LoggerInterface;
use Symfony\Component\HttpClient\HttpClient;
use Symfony\Component\Mailer\Exception\HttpTransportException;
use Symfony\Component\Mailer\SentMessage;
use Symfony\Contracts\HttpClient\HttpClientInterface;
use Symfony\Contracts\HttpClient\ResponseInterface;

/**
 * @author Victor Bocharsky <victor@symfonycasts.com>
 */
abstract class AbstractHttpTransport extends AbstractTransport
{
    protected $host;
    protected $port;
    protected $client;

    public function __construct(HttpClientInterface $client = null, EventDispatcherInterface $dispatcher = null, LoggerInterface $logger = null)
    {
        $this->client = $client;
        if (null === $client) {
            if (!class_exists(HttpClient::class)) {
                throw new \LogicException(sprintf('You cannot use "%s" as the HttpClient component is not installed. Try running "composer require symfony/http-client".', __CLASS__));
            }

            $this->client = HttpClient::create();
        }

        parent::__construct($dispatcher, $logger);
    }

    /**
     * @return $this
     */
    public function setHost(?string $host): static
    {
        $this->host = $host;

        return $this;
    }

    /**
     * @return $this
     */
    public function setPort(?int $port): static
    {
        $this->port = $port;

        return $this;
    }

    abstract protected function doSendHttp(SentMessage $message): ResponseInterface;

    protected function doSend(SentMessage $message): void
    {
        try {
            $response = $this->doSendHttp($message);
            $message->appendDebug($response->getInfo('debug') ?? '');
        } catch (HttpTransportException $e) {
            $e->appendDebug($e->getResponse()->getInfo('debug') ?? '');

            throw $e;
        }
    }
}
PK      }�Z��|��  �    SendmailTransportFactory.phpnu W+A��        <?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\Transport;

use Symfony\Component\Mailer\Exception\UnsupportedSchemeException;

/**
 * @author Konstantin Myakshin <molodchick@gmail.com>
 */
final class SendmailTransportFactory extends AbstractTransportFactory
{
    public function create(Dsn $dsn): TransportInterface
    {
        if ('sendmail+smtp' === $dsn->getScheme() || 'sendmail' === $dsn->getScheme()) {
            return new SendmailTransport($dsn->getOption('command'), $this->dispatcher, $this->logger);
        }

        throw new UnsupportedSchemeException($dsn, 'sendmail', $this->getSupportedSchemes());
    }

    protected function getSupportedSchemes(): array
    {
        return ['sendmail', 'sendmail+smtp'];
    }
}
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