/
icp.go
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/
icp.go
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// Copyright © 2023 sealos.
//
// 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 v1
import (
"encoding/json"
"net/http"
"net/url"
"time"
"github.com/patrickmn/go-cache"
"golang.org/x/net/publicsuffix"
netv1 "k8s.io/api/networking/v1"
)
type IcpResponse struct {
ErrorCode int `json:"error_code"`
Reason string `json:"reason"`
Result struct {
CompanyName string `json:"CompanyName"`
CompanyType string `json:"CompanyType"`
MainPage string `json:"MainPage"`
SiteLicense string `json:"SiteLicense"`
SiteName string `json:"SiteName"`
VerifyTime string `json:"VerifyTime"`
} `json:"result"`
}
type IcpValidator struct {
enabled bool
endpoint string
key string
cache *cache.Cache
}
func NewIcpValidator(icpEnabled bool, icpEndpoint string, icpKey string) *IcpValidator {
return &IcpValidator{
enabled: icpEnabled,
endpoint: icpEndpoint,
key: icpKey,
cache: cache.New(5*time.Minute, 3*time.Minute),
}
}
func (i *IcpValidator) Query(rule *netv1.IngressRule) (*IcpResponse, error) {
domainName, err := publicsuffix.EffectiveTLDPlusOne(rule.Host)
if err != nil {
return nil, err
}
// Check if result is already cached
cached, found := i.cache.Get(domainName)
if found {
return cached.(*IcpResponse), nil
}
// Query ICP
data := url.Values{}
data.Set("domainName", domainName)
data.Set("key", i.key)
resp, err := http.PostForm(i.endpoint, data)
if err != nil {
return nil, err
}
defer resp.Body.Close()
var response IcpResponse
if err := json.NewDecoder(resp.Body).Decode(&response); err != nil {
return nil, err
}
// Cache the result with the current timestamp
i.cache.Set(
domainName,
&response,
genCacheTTL(&response),
)
return &response, nil
}
// genCacheTTL generates a cache TTL based on the response
func genCacheTTL(rsp *IcpResponse) time.Duration {
// If the response is valid, and the site license is not empty, cache for 30 days
if rsp.ErrorCode == 0 && rsp.Result.SiteLicense != "" {
return 30 * 24 * time.Hour
}
// Otherwise, cache for 5 minutes
return 5 * time.Minute
}