112 lines
3.4 KiB
PHP
112 lines
3.4 KiB
PHP
<?php
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/*
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* This file is part of the Qsnh/meedu.
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*
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* (c) XiaoTeng <616896861@qq.com>
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*
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* This source file is subject to the MIT license that is bundled
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* with this source code in the file LICENSE.
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*/
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define('LOCATION_SERVICE_PRODUCT_NAME', 'Location');
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define('LOCATION_SERVICE_DOMAIN', 'location.aliyuncs.com');
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define('LOCATION_SERVICE_VERSION', '2015-06-12');
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define('LOCATION_SERVICE_DESCRIBE_ENDPOINT_ACTION', 'DescribeEndpoints');
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define('LOCATION_SERVICE_REGION', 'cn-hangzhou');
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define('CACHE_EXPIRE_TIME', 3600);
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class DescribeEndpointRequest extends RpcAcsRequest
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{
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public function __construct($id, $serviceCode, $endPointType)
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{
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parent::__construct(LOCATION_SERVICE_PRODUCT_NAME, LOCATION_SERVICE_VERSION, LOCATION_SERVICE_DESCRIBE_ENDPOINT_ACTION);
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$this->queryParameters['Id'] = $id;
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$this->queryParameters['ServiceCode'] = $serviceCode;
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$this->queryParameters['Type'] = $endPointType;
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$this->setRegionId(LOCATION_SERVICE_REGION);
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$this->setAcceptFormat('JSON');
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}
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}
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class LocationService
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{
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private $clientProfile;
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public static $cache = [];
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public static $lastClearTimePerProduct = [];
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public static $serviceDomain = LOCATION_SERVICE_DOMAIN;
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public function __construct($clientProfile)
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{
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$this->clientProfile = $clientProfile;
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}
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public function findProductDomain($regionId, $serviceCode, $endPointType, $product)
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{
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$key = $regionId.'#'.$product;
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@$domain = self::$cache[$key];
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if ($domain == null || $this->checkCacheIsExpire($key) == true) {
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$domain = $this->findProductDomainFromLocationService($regionId, $serviceCode, $endPointType);
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self::$cache[$key] = $domain;
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}
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return $domain;
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}
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public static function addEndPoint($regionId, $product, $domain)
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{
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$key = $regionId.'#'.$product;
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self::$cache[$key] = $domain;
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$lastClearTime = mktime(0, 0, 0, 1, 1, 2999);
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self::$lastClearTimePerProduct[$key] = $lastClearTime;
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}
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public static function modifyServiceDomain($domain)
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{
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self::$serviceDomain = $domain;
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}
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private function checkCacheIsExpire($key)
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{
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$lastClearTime = self::$lastClearTimePerProduct[$key];
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if ($lastClearTime == null) {
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$lastClearTime = time();
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self::$lastClearTimePerProduct[$key] = $lastClearTime;
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}
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$now = time();
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$elapsedTime = $now - $lastClearTime;
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if ($elapsedTime > CACHE_EXPIRE_TIME) {
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$lastClearTime = time();
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self::$lastClearTimePerProduct[$key] = $lastClearTime;
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return true;
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}
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return false;
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}
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private function findProductDomainFromLocationService($regionId, $serviceCode, $endPointType)
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{
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$request = new DescribeEndpointRequest($regionId, $serviceCode, $endPointType);
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$signer = $this->clientProfile->getSigner();
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$credential = $this->clientProfile->getCredential();
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$requestUrl = $request->composeUrl($signer, $credential, self::$serviceDomain);
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$httpResponse = HttpHelper::curl($requestUrl, $request->getMethod(), null, $request->getHeaders());
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if (! $httpResponse->isSuccess()) {
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return null;
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}
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$respObj = json_decode($httpResponse->getBody());
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return $respObj->Endpoints->Endpoint[0]->Endpoint;
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}
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}
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