View file File name : Middleware.php Content :<?php namespace WPMailSMTP\Vendor\GuzzleHttp; use WPMailSMTP\Vendor\GuzzleHttp\Cookie\CookieJarInterface; use WPMailSMTP\Vendor\GuzzleHttp\Exception\RequestException; use WPMailSMTP\Vendor\GuzzleHttp\Promise as P; use WPMailSMTP\Vendor\GuzzleHttp\Promise\PromiseInterface; use WPMailSMTP\Vendor\Psr\Http\Message\RequestInterface; use WPMailSMTP\Vendor\Psr\Http\Message\ResponseInterface; use WPMailSMTP\Vendor\Psr\Log\LoggerInterface; /** * Functions used to create and wrap handlers with handler middleware. */ final class Middleware { /** * Middleware that adds cookies to requests. * * The options array must be set to a CookieJarInterface in order to use * cookies. This is typically handled for you by a client. * * @return callable Returns a function that accepts the next handler. */ public static function cookies() : callable { return static function (callable $handler) : callable { return static function ($request, array $options) use($handler) { if (empty($options['cookies'])) { return $handler($request, $options); } elseif (!$options['cookies'] instanceof \WPMailSMTP\Vendor\GuzzleHttp\Cookie\CookieJarInterface) { throw new \InvalidArgumentException('WPMailSMTP\\Vendor\\cookies must be an instance of GuzzleHttp\\Cookie\\CookieJarInterface'); } $cookieJar = $options['cookies']; $request = $cookieJar->withCookieHeader($request); return $handler($request, $options)->then(static function (\WPMailSMTP\Vendor\Psr\Http\Message\ResponseInterface $response) use($cookieJar, $request) : ResponseInterface { $cookieJar->extractCookies($request, $response); return $response; }); }; }; } /** * Middleware that throws exceptions for 4xx or 5xx responses when the * "http_errors" request option is set to true. * * @param BodySummarizerInterface|null $bodySummarizer The body summarizer to use in exception messages. * * @return callable(callable): callable Returns a function that accepts the next handler. */ public static function httpErrors(\WPMailSMTP\Vendor\GuzzleHttp\BodySummarizerInterface $bodySummarizer = null) : callable { return static function (callable $handler) use($bodySummarizer) : callable { return static function ($request, array $options) use($handler, $bodySummarizer) { if (empty($options['http_errors'])) { return $handler($request, $options); } return $handler($request, $options)->then(static function (\WPMailSMTP\Vendor\Psr\Http\Message\ResponseInterface $response) use($request, $bodySummarizer) { $code = $response->getStatusCode(); if ($code < 400) { return $response; } throw \WPMailSMTP\Vendor\GuzzleHttp\Exception\RequestException::create($request, $response, null, [], $bodySummarizer); }); }; }; } /** * Middleware that pushes history data to an ArrayAccess container. * * @param array|\ArrayAccess<int, array> $container Container to hold the history (by reference). * * @return callable(callable): callable Returns a function that accepts the next handler. * * @throws \InvalidArgumentException if container is not an array or ArrayAccess. */ public static function history(&$container) : callable { if (!\is_array($container) && !$container instanceof \ArrayAccess) { throw new \InvalidArgumentException('history container must be an array or object implementing ArrayAccess'); } return static function (callable $handler) use(&$container) : callable { return static function (\WPMailSMTP\Vendor\Psr\Http\Message\RequestInterface $request, array $options) use($handler, &$container) { return $handler($request, $options)->then(static function ($value) use($request, &$container, $options) { $container[] = ['request' => $request, 'response' => $value, 'error' => null, 'options' => $options]; return $value; }, static function ($reason) use($request, &$container, $options) { $container[] = ['request' => $request, 'response' => null, 'error' => $reason, 'options' => $options]; return \WPMailSMTP\Vendor\GuzzleHttp\Promise\Create::rejectionFor($reason); }); }; }; } /** * Middleware that invokes a callback before and after sending a request. * * The provided listener cannot modify or alter the response. It simply * "taps" into the chain to be notified before returning the promise. The * before listener accepts a request and options array, and the after * listener accepts a request, options array, and response promise. * * @param callable $before Function to invoke before forwarding the request. * @param callable $after Function invoked after forwarding. * * @return callable Returns a function that accepts the next handler. */ public static function tap(callable $before = null, callable $after = null) : callable { return static function (callable $handler) use($before, $after) : callable { return static function (\WPMailSMTP\Vendor\Psr\Http\Message\RequestInterface $request, array $options) use($handler, $before, $after) { if ($before) { $before($request, $options); } $response = $handler($request, $options); if ($after) { $after($request, $options, $response); } return $response; }; }; } /** * Middleware that handles request redirects. * * @return callable Returns a function that accepts the next handler. */ public static function redirect() : callable { return static function (callable $handler) : RedirectMiddleware { return new \WPMailSMTP\Vendor\GuzzleHttp\RedirectMiddleware($handler); }; } /** * Middleware that retries requests based on the boolean result of * invoking the provided "decider" function. * * If no delay function is provided, a simple implementation of exponential * backoff will be utilized. * * @param callable $decider Function that accepts the number of retries, * a request, [response], and [exception] and * returns true if the request is to be retried. * @param callable $delay Function that accepts the number of retries and * returns the number of milliseconds to delay. * * @return callable Returns a function that accepts the next handler. */ public static function retry(callable $decider, callable $delay = null) : callable { return static function (callable $handler) use($decider, $delay) : RetryMiddleware { return new \WPMailSMTP\Vendor\GuzzleHttp\RetryMiddleware($decider, $handler, $delay); }; } /** * Middleware that logs requests, responses, and errors using a message * formatter. * * @phpstan-param \Psr\Log\LogLevel::* $logLevel Level at which to log requests. * * @param LoggerInterface $logger Logs messages. * @param MessageFormatterInterface|MessageFormatter $formatter Formatter used to create message strings. * @param string $logLevel Level at which to log requests. * * @return callable Returns a function that accepts the next handler. */ public static function log(\WPMailSMTP\Vendor\Psr\Log\LoggerInterface $logger, $formatter, string $logLevel = 'info') : callable { // To be compatible with Guzzle 7.1.x we need to allow users to pass a MessageFormatter if (!$formatter instanceof \WPMailSMTP\Vendor\GuzzleHttp\MessageFormatter && !$formatter instanceof \WPMailSMTP\Vendor\GuzzleHttp\MessageFormatterInterface) { throw new \LogicException(\sprintf('Argument 2 to %s::log() must be of type %s', self::class, \WPMailSMTP\Vendor\GuzzleHttp\MessageFormatterInterface::class)); } return static function (callable $handler) use($logger, $formatter, $logLevel) : callable { return static function (\WPMailSMTP\Vendor\Psr\Http\Message\RequestInterface $request, array $options = []) use($handler, $logger, $formatter, $logLevel) { return $handler($request, $options)->then(static function ($response) use($logger, $request, $formatter, $logLevel) : ResponseInterface { $message = $formatter->format($request, $response); $logger->log($logLevel, $message); return $response; }, static function ($reason) use($logger, $request, $formatter) : PromiseInterface { $response = $reason instanceof \WPMailSMTP\Vendor\GuzzleHttp\Exception\RequestException ? $reason->getResponse() : null; $message = $formatter->format($request, $response, \WPMailSMTP\Vendor\GuzzleHttp\Promise\Create::exceptionFor($reason)); $logger->error($message); return \WPMailSMTP\Vendor\GuzzleHttp\Promise\Create::rejectionFor($reason); }); }; }; } /** * This middleware adds a default content-type if possible, a default * content-length or transfer-encoding header, and the expect header. */ public static function prepareBody() : callable { return static function (callable $handler) : PrepareBodyMiddleware { return new \WPMailSMTP\Vendor\GuzzleHttp\PrepareBodyMiddleware($handler); }; } /** * Middleware that applies a map function to the request before passing to * the next handler. * * @param callable $fn Function that accepts a RequestInterface and returns * a RequestInterface. */ public static function mapRequest(callable $fn) : callable { return static function (callable $handler) use($fn) : callable { return static function (\WPMailSMTP\Vendor\Psr\Http\Message\RequestInterface $request, array $options) use($handler, $fn) { return $handler($fn($request), $options); }; }; } /** * Middleware that applies a map function to the resolved promise's * response. * * @param callable $fn Function that accepts a ResponseInterface and * returns a ResponseInterface. */ public static function mapResponse(callable $fn) : callable { return static function (callable $handler) use($fn) : callable { return static function (\WPMailSMTP\Vendor\Psr\Http\Message\RequestInterface $request, array $options) use($handler, $fn) { return $handler($request, $options)->then($fn); }; }; } }