/
main.go
128 lines (111 loc) · 3 KB
/
main.go
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/*
* Copyright 2014-2024 Li Kexian
*
* 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.
*
* Go module for domain and ip whois information query
* https://www.likexian.com/
*/
package main
import (
"context"
"flag"
"fmt"
"os"
"time"
"github.com/likexian/gokit/xjson"
"github.com/likexian/gokit/xversion"
"github.com/likexian/whois"
whoisparser "github.com/likexian/whois-parser"
"golang.org/x/net/proxy"
)
func main() {
updateMessage := make(chan string)
go checkUpdate(updateMessage, "v"+whois.Version())
server := flag.String("h", "", "specify the whois server")
outJSON := flag.Bool("j", false, "output format as json")
version := flag.Bool("v", false, "show the whois version")
flag.Parse()
if *version {
fmt.Println("whois version " + whois.Version())
fmt.Println(whois.Author())
os.Exit(0)
}
if len(flag.Args()) == 0 {
fmt.Printf("Usage:\n\t%s [-j] [-h server] domain\n", os.Args[0])
fmt.Printf(`
domain:
domain or IPv4 or IPv6 or ASN for query
options:
-h string specify the whois server
-j output format as json
-v show the whois version
`)
os.Exit(1)
}
text, err := whois.NewClient().
SetDialer(proxy.FromEnvironment()).Whois(flag.Args()[0], *server)
if err != nil {
fmt.Println(err.Error())
os.Exit(1)
}
if *outJSON {
info, err := whoisparser.Parse(text)
if err != nil {
fmt.Println(err.Error())
os.Exit(1)
}
data, err := xjson.PrettyDumps(info)
if err != nil {
fmt.Println(err.Error())
os.Exit(1)
}
fmt.Println(data)
os.Exit(0)
}
fmt.Println(text)
message := <-updateMessage
if message != "" {
fmt.Println(message)
}
os.Exit(0)
}
// checkUpdate checks version update
func checkUpdate(updateMessage chan string, version string) {
checkPoint := "https://release.likexian.com/whois/update"
cacheFile := fmt.Sprintf("%s/whois.update.cache", os.TempDir())
req := &xversion.CheckUpdateRequest{
Product: "whois",
Current: version,
CacheFile: cacheFile,
CacheDuration: 24 * time.Hour,
CheckPoint: checkPoint,
}
ctx := context.Background()
rsp, err := req.Run(ctx)
if err == nil && rsp.Outdated {
if version != rsp.Current {
_ = os.Remove(cacheFile)
} else {
emergency := "NOTICE"
if rsp.Emergency {
emergency = "WARNING"
}
message := fmt.Sprintf("%% %s: Your version of whois is outdate, the latest is %s.\n",
emergency, rsp.Latest)
message += fmt.Sprintf("%% You can update it by downloading from %s", rsp.ProductURL)
updateMessage <- message
}
}
updateMessage <- ""
}