go-http-peering/cmd/keygen/verify_token.go

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package main
import (
"encoding/json"
"fmt"
peering "forge.cadoles.com/Cadoles/go-http-peering"
"github.com/dgrijalva/jwt-go"
"github.com/pkg/errors"
)
func verifyToken() {
rawToken, err := loadToken()
if err != nil {
handleError(errors.WithStack(err))
}
privateKey, err := loadPrivateKey()
if err != nil {
handleError(errors.WithStack(err))
}
fn := func(token *jwt.Token) (interface{}, error) {
return &privateKey.PublicKey, nil
}
token, err := jwt.ParseWithClaims(rawToken, &peering.ServerTokenClaims{}, fn)
if err != nil {
validationError, ok := err.(*jwt.ValidationError)
if ok {
handleError(errors.WithStack(validationError.Inner))
}
handleError(errors.WithStack(err))
}
if !token.Valid {
handleError(errors.New("token is invalid"))
}
claims, ok := token.Claims.(*peering.ServerTokenClaims)
if !ok {
handleError(errors.New("unexpected token claims"))
}
data, err := json.MarshalIndent(claims, "", " ")
if err != nil {
handleError(errors.WithStack(err))
}
fmt.Println("Token OK.")
fmt.Println("Claims:")
fmt.Println(string(data))
}