156 lines
3.9 KiB
PHP
156 lines
3.9 KiB
PHP
<?php
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namespace AlibabaCloud\Credentials\Request;
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use AlibabaCloud\Credentials\Credentials;
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use AlibabaCloud\Credentials\EcsRamRoleCredential;
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use AlibabaCloud\Credentials\Helper;
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use AlibabaCloud\Credentials\RamRoleArnCredential;
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use AlibabaCloud\Credentials\Signature\ShaHmac1Signature;
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use AlibabaCloud\Credentials\Signature\ShaHmac256WithRsaSignature;
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use Exception;
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use GuzzleHttp\Client;
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use GuzzleHttp\HandlerStack;
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use GuzzleHttp\Middleware;
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use GuzzleHttp\Psr7\Uri;
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use AlibabaCloud\Tea\Response;
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use Psr\Http\Message\ResponseInterface;
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/**
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* RESTful RPC Request.
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*/
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class Request
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{
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/**
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* Request Connect Timeout
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*/
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const CONNECT_TIMEOUT = 5;
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/**
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* Request Timeout
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*/
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const TIMEOUT = 10;
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/**
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* @var array
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*/
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private static $config = [];
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/**
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* @var array
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*/
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public $options = [];
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/**
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* @var Uri
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*/
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public $uri;
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/**
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* @var EcsRamRoleCredential|RamRoleArnCredential
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*/
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protected $credential;
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/**
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* @var ShaHmac256WithRsaSignature|ShaHmac1Signature
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*/
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protected $signature;
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/**
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* Request constructor.
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*/
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public function __construct()
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{
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$this->uri = (new Uri())->withScheme('https');
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$this->options['http_errors'] = false;
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$this->options['connect_timeout'] = self::CONNECT_TIMEOUT;
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$this->options['timeout'] = self::TIMEOUT;
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// Turn on debug mode based on environment variable.
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if (strtolower(Helper::env('DEBUG')) === 'sdk') {
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$this->options['debug'] = true;
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}
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}
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/**
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* @return ResponseInterface
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* @throws Exception
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*/
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public function request()
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{
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$this->options['query']['Format'] = 'JSON';
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$this->options['query']['SignatureMethod'] = $this->signature->getMethod();
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$this->options['query']['SignatureVersion'] = $this->signature->getVersion();
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$this->options['query']['SignatureNonce'] = self::uuid(json_encode($this->options['query']));
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$this->options['query']['Timestamp'] = gmdate('Y-m-d\TH:i:s\Z');
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$this->options['query']['Signature'] = $this->signature->sign(
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self::signString('GET', $this->options['query']),
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$this->credential->getOriginalAccessKeySecret() . '&'
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);
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return self::createClient()->request('GET', (string)$this->uri, $this->options);
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}
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/**
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* @param string $salt
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*
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* @return string
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*/
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public static function uuid($salt)
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{
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return md5($salt . uniqid(md5(microtime(true)), true));
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}
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/**
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* @param string $method
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* @param array $parameters
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*
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* @return string
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*/
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public static function signString($method, array $parameters)
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{
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ksort($parameters);
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$canonicalized = '';
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foreach ($parameters as $key => $value) {
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$canonicalized .= '&' . self::percentEncode($key) . '=' . self::percentEncode($value);
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}
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return $method . '&%2F&' . self::percentEncode(substr($canonicalized, 1));
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}
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/**
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* @param string $string
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*
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* @return null|string|string[]
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*/
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private static function percentEncode($string)
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{
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$result = rawurlencode($string);
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$result = str_replace(['+', '*'], ['%20', '%2A'], $result);
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$result = preg_replace('/%7E/', '~', $result);
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return $result;
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}
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/**
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* @return Client
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* @throws Exception
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*/
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public static function createClient()
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{
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if (Credentials::hasMock()) {
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$stack = HandlerStack::create(Credentials::getMock());
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} else {
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$stack = HandlerStack::create();
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}
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$stack->push(Middleware::mapResponse(static function (ResponseInterface $response) {
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return new Response($response);
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}));
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self::$config['handler'] = $stack;
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return new Client(self::$config);
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}
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}
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