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<?php namespace GuzzleHttp; use GuzzleHttp\Cookie\CookieJar; use GuzzleHttp\Exception\GuzzleException; use GuzzleHttp\Exception\InvalidArgumentException; use GuzzleHttp\Promise as P; use GuzzleHttp\Promise\PromiseInterface; use Psr\Http\Message\RequestInterface; use Psr\Http\Message\ResponseInterface; use Psr\Http\Message\UriInterface; /** * @final / class Client implements ClientInterface, \Psr\Http\Client\ClientInterface { use ClientTrait; /* * @var array Default request options / private $config; /* * Clients accept an array of constructor parameters. * * Here's an example of creating a client using a base_uri and an array of * default request options to apply to each request: * * $client = new Client([ * 'base_uri' => 'http://www.foo.com/1.0/', * 'timeout' => 0, * 'allow_redirects' => false, * 'proxy' => '192.168.16.1:10' * ]); * * Client configuration settings include the following options: * * - handler: (callable) Function that transfers HTTP requests over the * wire. The function is called with a Psr7\Http\Message\RequestInterface * and array of transfer options, and must return a * GuzzleHttp\Promise\PromiseInterface that is fulfilled with a * Psr7\Http\Message\ResponseInterface on success. * If no handler is provided, a default handler will be created * that enables all of the request options below by attaching all of the * default middleware to the handler. * - base_uri: (string\|UriInterface) Base URI of the client that is merged * into relative URIs. Can be a string or instance of UriInterface. * - *: any request option * @param array $config Client configuration settings. * * @see \GuzzleHttp\RequestOptions for a list of available request options. / public function __construct(array $config = []) { if (!isset($config['handler'])) { $config['handler'] = HandlerStack::create(); } elseif (!\is_callable($config['handler'])) { throw new InvalidArgumentException('handler must be a callable'); } // Convert the base_uri to a UriInterface if (isset($config['base_uri'])) { $config['base_uri'] = Psr7\Utils::uriFor($config['base_uri']); } $this->configureDefaults($config); } /* * @param string $method * @param array $args * * @return PromiseInterface\|ResponseInterface * * @deprecated Client::__call will be removed in guzzlehttp/guzzle:8.0. / public function __call($method, $args) { if (\count($args) < 1) { throw new InvalidArgumentException('Magic request methods require a URI and optional options array'); } $uri = $args[0]; $opts = $args[1] ?? []; return \substr($method, -5) === 'Async' ? $this->requestAsync(\substr($method, 0, -5), $uri, $opts) : $this->request($method, $uri, $opts); } /* * Asynchronously send an HTTP request. * * @param array $options Request options to apply to the given * request and to the transfer. See \GuzzleHttp\RequestOptions. / public function sendAsync(RequestInterface $request, array $options = []): PromiseInterface { // Merge the base URI into the request URI if needed. $options = $this->prepareDefaults($options); return $this->transfer( $request->withUri($this->buildUri($request->getUri(), $options), $request->hasHeader('Host')), $options ); } /* * Send an HTTP request. * * @param array $options Request options to apply to the given * request and to the transfer. See \GuzzleHttp\RequestOptions. * * @throws GuzzleException / public function send(RequestInterface $request, array $options = []): ResponseInterface { $options[RequestOptions::SYNCHRONOUS] = true; return $this->sendAsync($request, $options)->wait(); } /* * The HttpClient PSR (PSR-18) specify this method. * * {@inheritDoc} / public function sendRequest(RequestInterface $request): ResponseInterface { $options[RequestOptions::SYNCHRONOUS] = true; $options[RequestOptions::ALLOW_REDIRECTS] = false; $options[RequestOptions::HTTP_ERRORS] = false; return $this->sendAsync($request, $options)->wait(); } /* * Create and send an asynchronous HTTP request. * * Use an absolute path to override the base path of the client, or a * relative path to append to the base path of the client. The URL can * contain the query string as well. Use an array to provide a URL * template and additional variables to use in the URL template expansion. * * @param string $method HTTP method * @param string\|UriInterface $uri URI object or string. * @param array $options Request options to apply. See \GuzzleHttp\RequestOptions. / public function requestAsync(string $method, $uri = '', array $options = []): PromiseInterface { $options = $this->prepareDefaults($options); // Remove request modifying parameter because it can be done up-front. $headers = $options['headers'] ?? []; $body = $options['body'] ?? null; $version = $options['version'] ?? '1.1'; // Merge the URI into the base URI. $uri = $this->buildUri(Psr7\Utils::uriFor($uri), $options); if (\is_array($body)) { throw $this->invalidBody(); } $request = new Psr7\Request($method, $uri, $headers, $body, $version); // Remove the option so that they are not doubly-applied. unset($options['headers'], $options['body'], $options['version']); return $this->transfer($request, $options); } /* * Create and send an HTTP request. * * Use an absolute path to override the base path of the client, or a * relative path to append to the base path of the client. The URL can * contain the query string as well. * * @param string $method HTTP method. * @param string\|UriInterface $uri URI object or string. * @param array $options Request options to apply. See \GuzzleHttp\RequestOptions. * * @throws GuzzleException / public function request(string $method, $uri = '', array $options = []): ResponseInterface { $options[RequestOptions::SYNCHRONOUS] = true; return $this->requestAsync($method, $uri, $options)->wait(); } /* * Get a client configuration option. * * These options include default request options of the client, a "handler" * (if utilized by the concrete client), and a "base_uri" if utilized by * the concrete client. * * @param string\|null $option The config option to retrieve. * * @return mixed * * @deprecated Client::getConfig will be removed in guzzlehttp/guzzle:8.0. / public function getConfig(string $option = null) { return $option === null ? $this->config : ($this->config[$option] ?? null); } private function buildUri(UriInterface $uri, array $config): UriInterface { if (isset($config['base_uri'])) { $uri = Psr7\UriResolver::resolve(Psr7\Utils::uriFor($config['base_uri']), $uri); } if (isset($config['idn_conversion']) && ($config['idn_conversion'] !== false)) { $idnOptions = ($config['idn_conversion'] === true) ? \IDNA_DEFAULT : $config['idn_conversion']; $uri = Utils::idnUriConvert($uri, $idnOptions); } return $uri->getScheme() === '' && $uri->getHost() !== '' ? $uri->withScheme('http') : $uri; } /* * Configures the default options for a client. / private function configureDefaults(array $config): void { $defaults = [ 'allow_redirects' => RedirectMiddleware::$defaultSettings, 'http_errors' => true, 'decode_content' => true, 'verify' => true, 'cookies' => false, 'idn_conversion' => false, ]; // Use the standard Linux HTTP_PROXY and HTTPS_PROXY if set. // We can only trust the HTTP_PROXY environment variable in a CLI // process due to the fact that PHP has no reliable mechanism to // get environment variables that start with "HTTP_". if (\PHP_SAPI === 'cli' && ($proxy = Utils::getenv('HTTP_PROXY'))) { $defaults['proxy']['http'] = $proxy; } if ($proxy = Utils::getenv('HTTPS_PROXY')) { $defaults['proxy']['https'] = $proxy; } if ($noProxy = Utils::getenv('NO_PROXY')) { $cleanedNoProxy = \str_replace(' ', '', $noProxy); $defaults['proxy']['no'] = \explode(',', $cleanedNoProxy); } $this->config = $config + $defaults; if (!empty($config['cookies']) && $config['cookies'] === true) { $this->config['cookies'] = new CookieJar(); } // Add the default user-agent header. if (!isset($this->config['headers'])) { $this->config['headers'] = ['User-Agent' => Utils::defaultUserAgent()]; } else { // Add the User-Agent header if one was not already set. foreach (\array_keys($this->config['headers']) as $name) { if (\strtolower($name) === 'user-agent') { return; } } $this->config['headers']['User-Agent'] = Utils::defaultUserAgent(); } } /* * Merges default options into the array. * * @param array $options Options to modify by reference / private function prepareDefaults(array $options): array { $defaults = $this->config; if (!empty($defaults['headers'])) { // Default headers are only added if they are not present. $defaults['_conditional'] = $defaults['headers']; unset($defaults['headers']); } // Special handling for headers is required as they are added as // conditional headers and as headers passed to a request ctor. if (\array_key_exists('headers', $options)) { // Allows default headers to be unset. if ($options['headers'] === null) { $defaults['_conditional'] = []; unset($options['headers']); } elseif (!\is_array($options['headers'])) { throw new InvalidArgumentException('headers must be an array'); } } // Shallow merge defaults underneath options. $result = $options + $defaults; // Remove null values. foreach ($result as $k => $v) { if ($v === null) { unset($result[$k]); } } return $result; } /* * Transfers the given request and applies request options. * * The URI of the request is not modified and the request options are used * as-is without merging in default options. * * @param array $options See \GuzzleHttp\RequestOptions. / private function transfer(RequestInterface $request, array $options): PromiseInterface { $request = $this->applyOptions($request, $options); /* @var HandlerStack $handler / $handler = $options['handler']; try { return P\Create::promiseFor($handler($request, $options)); } catch (\Exception $e) { return P\Create::rejectionFor($e); } } /* * Applies the array of request options to a request. / private function applyOptions(RequestInterface $request, array &$options): RequestInterface { $modify = [ 'set_headers' => [], ]; if (isset($options['headers'])) { if (array_keys($options['headers']) === range(0, count($options['headers']) - 1)) { throw new InvalidArgumentException('The headers array must have header name as keys.'); } $modify['set_headers'] = $options['headers']; unset($options['headers']); } if (isset($options['form_params'])) { if (isset($options['multipart'])) { throw new InvalidArgumentException('You cannot use ' .'form_params and multipart at the same time. Use the ' .'form_params option if you want to send application/' .'x-www-form-urlencoded requests, and the multipart ' .'option to send multipart/form-data requests.'); } $options['body'] = \http_build_query($options['form_params'], '', '&'); unset($options['form_params']); // Ensure that we don't have the header in different case and set the new value. $options['_conditional'] = Psr7\Utils::caselessRemove(['Content-Type'], $options['_conditional']); $options['_conditional']['Content-Type'] = 'application/x-www-form-urlencoded'; } if (isset($options['multipart'])) { $options['body'] = new Psr7\MultipartStream($options['multipart']); unset($options['multipart']); } if (isset($options['json'])) { $options['body'] = Utils::jsonEncode($options['json']); unset($options['json']); // Ensure that we don't have the header in different case and set the new value. $options['_conditional'] = Psr7\Utils::caselessRemove(['Content-Type'], $options['_conditional']); $options['_conditional']['Content-Type'] = 'application/json'; } if (!empty($options['decode_content']) && $options['decode_content'] !== true ) { // Ensure that we don't have the header in different case and set the new value. $options['_conditional'] = Psr7\Utils::caselessRemove(['Accept-Encoding'], $options['_conditional']); $modify['set_headers']['Accept-Encoding'] = $options['decode_content']; } if (isset($options['body'])) { if (\is_array($options['body'])) { throw $this->invalidBody(); } $modify['body'] = Psr7\Utils::streamFor($options['body']); unset($options['body']); } if (!empty($options['auth']) && \is_array($options['auth'])) { $value = $options['auth']; $type = isset($value[2]) ? \strtolower($value[2]) : 'basic'; switch ($type) { case 'basic': // Ensure that we don't have the header in different case and set the new value. $modify['set_headers'] = Psr7\Utils::caselessRemove(['Authorization'], $modify['set_headers']); $modify['set_headers']['Authorization'] = 'Basic ' .\base64_encode("$value[0]:$value[1]"); break; case 'digest': // @todo: Do not rely on curl $options['curl'][\CURLOPT_HTTPAUTH] = \CURLAUTH_DIGEST; $options['curl'][\CURLOPT_USERPWD] = "$value[0]:$value[1]"; break; case 'ntlm': $options['curl'][\CURLOPT_HTTPAUTH] = \CURLAUTH_NTLM; $options['curl'][\CURLOPT_USERPWD] = "$value[0]:$value[1]"; break; } } if (isset($options['query'])) { $value = $options['query']; if (\is_array($value)) { $value = \http_build_query($value, '', '&', \PHP_QUERY_RFC3986); } if (!\is_string($value)) { throw new InvalidArgumentException('query must be a string or array'); } $modify['query'] = $value; unset($options['query']); } // Ensure that sink is not an invalid value. if (isset($options['sink'])) { // TODO: Add more sink validation? if (\is_bool($options['sink'])) { throw new InvalidArgumentException('sink must not be a boolean'); } } if (isset($options['version'])) { $modify['version'] = $options['version']; } $request = Psr7\Utils::modifyRequest($request, $modify); if ($request->getBody() instanceof Psr7\MultipartStream) { // Use a multipart/form-data POST if a Content-Type is not set. // Ensure that we don't have the header in different case and set the new value. $options['_conditional'] = Psr7\Utils::caselessRemove(['Content-Type'], $options['_conditional']); $options['_conditional']['Content-Type'] = 'multipart/form-data; boundary=' .$request->getBody()->getBoundary(); } // Merge in conditional headers if they are not present. if (isset($options['_conditional'])) { // Build up the changes so it's in a single clone of the message. $modify = []; foreach ($options['_conditional'] as $k => $v) { if (!$request->hasHeader($k)) { $modify['set_headers'][$k] = $v; } } $request = Psr7\Utils::modifyRequest($request, $modify); // Don't pass this internal value along to middleware/handlers. unset($options['_conditional']); } return $request; } /* * Return an InvalidArgumentException with pre-set message. */ private function invalidBody(): InvalidArgumentException { return new InvalidArgumentException('Passing in the "body" request ' .'option as an array to send a request is not supported. ' .'Please use the "form_params" request option to send a ' .'application/x-www-form-urlencoded request, or the "multipart" ' .'request option to send a multipart/form-data request.'); } }

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