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<?php |
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/* |
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* Copyright 2015 Google Inc. |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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|
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namespace Google\Auth\Middleware; |
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|
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use GuzzleHttp\Psr7; |
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use Psr\Http\Message\RequestInterface; |
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|
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/** |
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* SimpleMiddleware is a Guzzle Middleware that implements Google's Simple API |
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* access. |
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* |
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* Requests are accessed using the Simple API access developer key. |
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*/ |
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class SimpleMiddleware |
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{ |
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/** @var configuration */ |
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private $config; |
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|
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/** |
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* Create a new Simple plugin. |
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* |
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* The configuration array expects one option |
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* - key: required, otherwise InvalidArgumentException is thrown |
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* |
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* @param array $config Configuration array |
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*/ |
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public function __construct(array $config) |
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{ |
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if (!isset($config['key'])) { |
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throw new \InvalidArgumentException('requires a key to have been set'); |
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} |
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|
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$this->config = array_merge(['key' => null], $config); |
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} |
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|
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/** |
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* Updates the request query with the developer key if auth is set to simple |
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* |
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* use Google\Auth\Middleware\SimpleMiddleware; |
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* use GuzzleHttp\Client; |
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* use GuzzleHttp\HandlerStack; |
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* |
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* $my_key = 'is not the same as yours'; |
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* $middleware = new SimpleMiddleware(['key' => $my_key]); |
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* $stack = HandlerStack::create(); |
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* $stack->push($middleware); |
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* |
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* $client = new Client([ |
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* 'handler' => $stack, |
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* 'base_uri' => 'https://www.googleapis.com/discovery/v1/', |
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* 'auth' => 'simple' |
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* ]); |
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* |
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* $res = $client->get('drive/v2/rest'); |
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*/ |
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public function __invoke(callable $handler) |
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{ |
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return function (RequestInterface $request, array $options) use ($handler) { |
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// Requests using "auth"="scoped" will be authorized. |
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if (!isset($options['auth']) || $options['auth'] !== 'simple') { |
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return $handler($request, $options); |
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} |
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|
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$query = Psr7\parse_query($request->getUri()->getQuery()); |
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$params = array_merge($query, $this->config); |
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$uri = $request->getUri()->withQuery(Psr7\build_query($params)); |
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$request = $request->withUri($uri); |
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return $handler($request, $options); |
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}; |
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} |
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} |
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|
