127 lines
3.7 KiB
Go
Executable File
127 lines
3.7 KiB
Go
Executable File
package main
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import (
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"crypto"
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"crypto/md5"
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"crypto/rand"
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"crypto/rsa"
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"crypto/x509"
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"encoding/hex"
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"encoding/pem"
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"flag"
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"fmt"
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"log"
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"net/http"
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"os"
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"strconv"
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"strings"
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)
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func main() {
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log.SetOutput(os.Stdout)
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port := flag.Int("p", 21017, "port")
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host := flag.String("host", "0.0.0.0", "Bind TCP Address")
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flag.Parse()
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log.Println("*************************************************************")
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log.Printf("** %-55s**", "JetBrains License Server")
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log.Printf("** %-55s**", "Please support genuine!!!")
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log.Printf("** Listen on %-45s**", fmt.Sprintf("%s:%d...", *host, *port))
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addr := fmt.Sprintf("%s:%d", *host, *port)
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if strings.Contains(addr, "0.0.0.0") {
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addr = strings.Replace(addr, "0.0.0.0", "", 1)
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*host = strings.Replace(*host, "0.0.0.0", "127.0.0.1", 1)
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}
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log.Printf("** You can use %-43s**", fmt.Sprintf("http://%s:%d as license server", *host, *port))
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log.Println("*************************************************************")
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routerBinding()
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err := http.ListenAndServe(addr, http.DefaultServeMux)
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if err != nil {
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log.Fatalln(err)
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}
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}
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func urlMatcher(h http.Handler) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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r.URL.Path = strings.ToLower(r.URL.Path)
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h.ServeHTTP(w, r)
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})
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}
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func routerBinding() {
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mux := http.NewServeMux()
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http.Handle("/", urlMatcher(mux))
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mux.HandleFunc("/", index)
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mux.HandleFunc("/rpc/ping.action", ping)
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mux.HandleFunc("/rpc/obtainticket.action", obtainTicket)
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}
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func index(w http.ResponseWriter, r *http.Request) {
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w.Write([]byte("JetBrains License Server is started!"))
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}
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func ping(w http.ResponseWriter, r *http.Request) {
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log.Println(r.URL)
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salt := r.URL.Query().Get("salt")
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xmlResponse := "<PingResponse><message></message><responseCode>OK</responseCode><salt>" + salt + "</salt></PingResponse>"
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xmlSignature, _ := signature(xmlResponse)
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w.Header().Add("Content-Type", "text/xml")
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w.Write([]byte("<!-- " + xmlSignature + " -->\n" + xmlResponse))
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}
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func obtainTicket(w http.ResponseWriter, r *http.Request) {
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// log.Println(r.URL)
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salt := r.URL.Query().Get("salt")
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username := r.URL.Query().Get("userName")
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if salt == "" || username == "" {
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w.WriteHeader(http.StatusForbidden)
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return
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}
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prolongationPeriod := 607875500
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xmlResponse := "<ObtainTicketResponse><message></message><prolongationPeriod>" + strconv.Itoa(prolongationPeriod) + "</prolongationPeriod><responseCode>OK</responseCode><salt>" + salt + "</salt><ticketId>1</ticketId><ticketProperties>licensee=" + username + "\tlicenseType=0\t</ticketProperties></ObtainTicketResponse>"
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xmlSignature, _ := signature(xmlResponse)
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w.Header().Add("Content-Type", "text/xml")
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w.Write([]byte("<!-- " + xmlSignature + " -->\n" + xmlResponse))
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}
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var privateKey = []byte(`
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-----BEGIN RSA PRIVATE KEY-----
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MIIBOgIBAAJBALecq3BwAI4YJZwhJ+snnDFj3lF3DMqNPorV6y5ZKXCiCMqj8OeOmxk4YZW9aaV9
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ckl/zlAOI0mpB3pDT+Xlj2sCAwEAAQJAW6/aVD05qbsZHMvZuS2Aa5FpNNj0BDlf38hOtkhDzz/h
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kYb+EBYLLvldhgsD0OvRNy8yhz7EjaUqLCB0juIN4QIhAOeCQp+NXxfBmfdG/S+XbRUAdv8iHBl+
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F6O2wr5fA2jzAiEAywlDfGIl6acnakPrmJE0IL8qvuO3FtsHBrpkUuOnXakCIQCqdr+XvADI/UTh
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TuQepuErFayJMBSAsNe3NFsw0cUxAQIgGA5n7ZPfdBi3BdM4VeJWb87WrLlkVxPqeDSbcGrCyMkC
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IFSs5JyXvFTreWt7IQjDssrKDRIPmALdNjvfETwlNJyY
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-----END RSA PRIVATE KEY-----
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`)
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func signature(message string) (string, error) {
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// key, err := ioutil.ReadFile("rsa.key")
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// if err != nil {
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// return "", err
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// }
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// pem, _ := pem.Decode(key)
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pem, _ := pem.Decode([]byte(privateKey))
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rsaPrivateKey, err := x509.ParsePKCS1PrivateKey(pem.Bytes)
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hashedMessage := md5.Sum([]byte(message))
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signature, err := rsa.SignPKCS1v15(rand.Reader, rsaPrivateKey, crypto.MD5, hashedMessage[:])
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if err != nil {
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return "", err
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}
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hexSignature := hex.EncodeToString(signature)
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return hexSignature, nil
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}
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