Update Lego

vendor/github.com/aliyun/alibaba-cloud-sdk-go/sdk/endpoints/location_resolver.go

@@ -0,0 +1,139 @@
+/*
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package endpoints
+
+import (
+	"encoding/json"
+	"github.com/aliyun/alibaba-cloud-sdk-go/sdk/requests"
+	"sync"
+	"time"
+)
+
+const (
+	EndpointCacheExpireTime = 3600 //Seconds
+)
+
+var lastClearTimePerProduct = struct {
+	sync.RWMutex
+	cache map[string]int64
+}{cache: make(map[string]int64)}
+
+var endpointCache = struct {
+	sync.RWMutex
+	cache map[string]string
+}{cache: make(map[string]string)}
+
+type LocationResolver struct {
+}
+
+func (resolver *LocationResolver) TryResolve(param *ResolveParam) (endpoint string, support bool, err error) {
+	if len(param.LocationProduct) <= 0 {
+		support = false
+		return
+	}
+
+	//get from cache
+	cacheKey := param.Product + "#" + param.RegionId
+	if endpointCache.cache != nil && len(endpointCache.cache[cacheKey]) > 0 && !CheckCacheIsExpire(cacheKey) {
+		endpoint = endpointCache.cache[cacheKey]
+		support = true
+		return
+	}
+
+	//get from remote
+	getEndpointRequest := requests.NewCommonRequest()
+
+	getEndpointRequest.Product = "Location"
+	getEndpointRequest.Version = "2015-06-12"
+	getEndpointRequest.ApiName = "DescribeEndpoints"
+	getEndpointRequest.Domain = "location.aliyuncs.com"
+	getEndpointRequest.Method = "GET"
+	getEndpointRequest.Scheme = requests.HTTPS
+
+	getEndpointRequest.QueryParams["Id"] = param.RegionId
+	getEndpointRequest.QueryParams["ServiceCode"] = param.LocationProduct
+	if len(param.LocationEndpointType) > 0 {
+		getEndpointRequest.QueryParams["Type"] = param.LocationEndpointType
+	} else {
+		getEndpointRequest.QueryParams["Type"] = "openAPI"
+	}
+
+	response, err := param.CommonApi(getEndpointRequest)
+	var getEndpointResponse GetEndpointResponse
+	if !response.IsSuccess() {
+		support = false
+		return
+	}
+
+	json.Unmarshal([]byte(response.GetHttpContentString()), &getEndpointResponse)
+	if !getEndpointResponse.Success || getEndpointResponse.Endpoints == nil {
+		support = false
+		return
+	}
+	if len(getEndpointResponse.Endpoints.Endpoint) <= 0 {
+		support = false
+		return
+	}
+	if len(getEndpointResponse.Endpoints.Endpoint[0].Endpoint) > 0 {
+		endpoint = getEndpointResponse.Endpoints.Endpoint[0].Endpoint
+		endpointCache.Lock()
+		endpointCache.cache[cacheKey] = endpoint
+		endpointCache.Unlock()
+		lastClearTimePerProduct.Lock()
+		lastClearTimePerProduct.cache[cacheKey] = time.Now().Unix()
+		lastClearTimePerProduct.Unlock()
+		support = true
+		return
+	}
+
+	support = false
+	return
+}
+
+func CheckCacheIsExpire(cacheKey string) bool {
+	lastClearTime := lastClearTimePerProduct.cache[cacheKey]
+	if lastClearTime <= 0 {
+		lastClearTime = time.Now().Unix()
+		lastClearTimePerProduct.Lock()
+		lastClearTimePerProduct.cache[cacheKey] = lastClearTime
+		lastClearTimePerProduct.Unlock()
+	}
+
+	now := time.Now().Unix()
+	elapsedTime := now - lastClearTime
+	if elapsedTime > EndpointCacheExpireTime {
+		return true
+	}
+
+	return false
+}
+
+type GetEndpointResponse struct {
+	Endpoints *EndpointsObj
+	RequestId string
+	Success   bool
+}
+
+type EndpointsObj struct {
+	Endpoint []EndpointObj
+}
+
+type EndpointObj struct {
+	Protocols   map[string]string
+	Type        string
+	Namespace   string
+	Id          string
+	SerivceCode string
+	Endpoint    string
+}