'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. "handler" is a * constructor only option that cannot be overridden in per/request * options. 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'])) { $config['handler'] = HandlerStack::create(); } // Convert the base_uri to a UriInterface if (isset($config['base_uri'])) { $config['base_uri'] = Psr7\uri_for($config['base_uri']); } $this->configureDefaults($config); } 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]; $opts = isset($args[1]) ? $args[1] : []; return substr($method, -5) === 'Async' ? $this->requestAsync(substr($method, 0, -5), $uri, $opts) : $this->request($method, $uri, $opts); } public function sendAsync(RequestInterface $request, array $options = []) { // 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 ); } public function send(RequestInterface $request, array $options = []) { $options[RequestOptions::SYNCHRONOUS] = true; return $this->sendAsync($request, $options)->wait(); } public function requestAsync($method, $uri = '', array $options = []) { $options = $this->prepareDefaults($options); // Remove request modifying parameter because it can be done up-front. $headers = isset($options['headers']) ? $options['headers'] : []; $body = isset($options['body']) ? $options['body'] : null; $version = isset($options['version']) ? $options['version'] : '1.1'; // Merge the URI into the base URI. $uri = $this->buildUri($uri, $options); if (is_array($body)) { $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, $options); } public function request($method, $uri = '', array $options = []) { $options[RequestOptions::SYNCHRONOUS] = true; return $this->requestAsync($method, $uri, $options)->wait(); } public function getConfig($option = null) { return $option === null ? $this->config : (isset($this->config[$option]) ? $this->config[$option] : null); } private function buildUri($uri, array $config) { // for BC we accept null which would otherwise fail in uri_for $uri = Psr7\uri_for($uri === null ? '' : $uri); if (isset($config['base_uri'])) { $uri = Psr7\Uri::resolve(Psr7\uri_for($config['base_uri']), $uri); } return $uri->getScheme() === '' && $uri->getHost() !== '' ? $uri->withScheme('http') : $uri; } /** * Configures the default options for a client. * * @param array $config */ private function configureDefaults(array $config) { $defaults = [ 'allow_redirects' => RedirectMiddleware::$defaultSettings, 'http_errors' => true, 'decode_content' => true, 'verify' => true, 'cookies' => 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_name() == 'cli' && getenv('HTTP_PROXY')) { $defaults['proxy']['http'] = getenv('HTTP_PROXY'); } if ($proxy = getenv('HTTPS_PROXY')) { $defaults['proxy']['https'] = $proxy; } if ($noProxy = 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'])) { $this->config['headers'] = ['User-Agent' => default_user_agent()]; } else { // Add the User-Agent header if one was not already set. foreach (array_keys($this->config['headers']) as $name) { if (strtolower($name) === 'user-agent') { return; } } $this->config['headers']['User-Agent'] = default_user_agent(); } } /** * Merges default options into the array. * * @param array $options Options to modify by reference * * @return array */ private function prepareDefaults($options) { $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) { $defaults['_conditional'] = null; unset($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 RequestInterface $request * @param array $options * * @return Promise\PromiseInterface */ private function transfer(RequestInterface $request, array $options) { // save_to -> sink if (isset($options['save_to'])) { $options['sink'] = $options['save_to']; unset($options['save_to']); } // exceptions -> http_errors if (isset($options['exceptions'])) { $options['http_errors'] = $options['exceptions']; unset($options['exceptions']); } $request = $this->applyOptions($request, $options); $handler = $options['handler']; try { return Promise\promise_for($handler($request, $options)); } catch (\Exception $e) { return Promise\rejection_for($e); } } /** * Applies the array of request options to a request. * * @param RequestInterface $request * @param array $options * * @return RequestInterface */ private function applyOptions(RequestInterface $request, array &$options) { $modify = []; if (isset($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']); $options['_conditional']['Content-Type'] = 'application/x-www-form-urlencoded'; } if (isset($options['multipart'])) { $options['body'] = new Psr7\MultipartStream($options['multipart']); unset($options['multipart']); } if (isset($options['json'])) { $options['body'] = \GuzzleHttp\json_encode($options['json']); unset($options['json']); $options['_conditional']['Content-Type'] = 'application/json'; } if (!empty($options['decode_content']) && $options['decode_content'] !== true ) { $modify['set_headers']['Accept-Encoding'] = $options['decode_content']; } if (isset($options['headers'])) { if (isset($modify['set_headers'])) { $modify['set_headers'] = $options['headers'] + $modify['set_headers']; } else { $modify['set_headers'] = $options['headers']; } unset($options['headers']); } if (isset($options['body'])) { if (is_array($options['body'])) { $this->invalidBody(); } $modify['body'] = Psr7\stream_for($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': $modify['set_headers']['Authorization'] = 'Basic ' . base64_encode("$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]:$value[1]"; break; } } if (isset($options['query'])) { $value = $options['query']; if (is_array($value)) { $value = http_build_query($value, null, '&', 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'); } } $request = Psr7\modify_request($request, $modify); if ($request->getBody() instanceof Psr7\MultipartStream) { // Use a multipart/form-data POST if a Content-Type is not set. $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; } } $request = Psr7\modify_request($request, $modify); // Don't pass this internal value along to middleware/handlers. unset($options['_conditional']); } return $request; } private function invalidBody() { throw new \InvalidArgumentException('Passing in the "body" request ' . 'option as an array to send a POST request has been deprecated. ' . 'Please use the "form_params" request option to send a ' . 'application/x-www-form-urlencoded request, or a the "multipart" ' . 'request option to send a multipart/form-data request.'); } }