79 lines
1.9 KiB
Go
79 lines
1.9 KiB
Go
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package main
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// go get github.com/dgrijalva/jwt-go
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//cd client
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// go mod init github.com/pawlaczyk/go-jwt/client
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// [!] kropka przed nawiasami w token.Claims.(jwt.MapClaims)
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//inaczej blad
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//# command-line-arguments
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// .\main.go:14:24: type jwt.MapClaims is not an expression
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// .\main.go:14:24: cannot call non-function token.Claims (type jwt.Claims)
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import (
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"fmt"
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"io/ioutil"
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"log"
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"net/http"
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"time"
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jwt "github.com/dgrijalva/jwt-go" //jwt jako alias do repo
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)
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var mySigningKey = []byte("mysupersecretphrase") //lepiej odczytywac to ze zmiennej srodowiskowej
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// set My_JWT_TOKEN=mysupersecretphrase
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//var mySigningKey = os.Get("My_JWT_TOKEN") dobra praktyka dla jakiegogolwkiek hasła, chroni przed upubliczniniem gdzies hasla na repo
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func homePage(w http.ResponseWriter, r *http.Request) {
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validToken, err := GenerateJWT()
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if err != nil {
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fmt.Fprintf(w, err.Error())
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}
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client := &http.Client{} //tworzy nowy Request
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req, _ := http.NewRequest("GET", "http://localhost:9000/", nil)
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req.Header.Set("Token", validToken) //dopisanie do hedera
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res, err := client.Do(req)
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if err != nil {
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//jak cos nie tak
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fmt.Fprintf(w, "Error: %s", err.Error())
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}
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body, err := ioutil.ReadAll(res.Body)
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if err != nil {
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fmt.Fprintf(w, err.Error())
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}
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fmt.Fprintf(w, string(body))
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}
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func handleRequests() {
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http.HandleFunc("/", homePage)
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log.Fatal(http.ListenAndServe(":9001", nil))
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}
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func GenerateJWT() (string, error) {
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token := jwt.New(jwt.SigningMethodHS256)
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claims := token.Claims.(jwt.MapClaims) //[!] Kropka przed nawiasami !!!!!!!!!
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claims["authorized"] = true
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claims["client"] = "Elliot Forbes"
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claims["exp"] = time.Now().Add(time.Minute * 30).Unix()
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tokenString, err := token.SignedString(mySigningKey)
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if err != nil {
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fmt.Println("Somethig get wrong %s", err.Error())
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return "", err
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}
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return tokenString, nil
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}
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func main() {
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fmt.Println("My Simple Client")
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handleRequests()
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}
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