113 lines
2.8 KiB
Go
113 lines
2.8 KiB
Go
package main
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import (
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"encoding/base64"
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"encoding/hex"
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"flag"
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"fmt"
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"os"
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"git.coolaj86.com/coolaj86/go-telebitd/mgmt/authstore"
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telebit "git.coolaj86.com/coolaj86/go-telebitd/mplexer"
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"github.com/denisbrodbeck/machineid"
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_ "github.com/joho/godotenv/autoload"
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)
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func main() {
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var secret, clientSecret, relaySecret string
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appID := flag.String("app-id", "", "a unique identifier for a deploy target environment")
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authURL := flag.String("auth-url", "", "the base url for authentication, if not the same as the tunnel relay")
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machinePPID := flag.Bool("machine-ppid", false, "just print the machine ppid, not the token")
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flag.StringVar(&secret, "secret", "", "either the remote server or the tunnel relay secret (used for JWT authentication)")
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flag.Parse()
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if 0 == len(*authURL) {
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*authURL = os.Getenv("AUTH_URL")
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}
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if 0 == len(*appID) {
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*appID = os.Getenv("APP_ID")
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}
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if 0 == len(*appID) {
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*appID = os.Getenv("CLIENT_ID")
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}
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if 0 == len(*appID) {
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*appID = "telebit.io"
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}
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if 0 == len(secret) {
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clientSecret = os.Getenv("CLIENT_SECRET")
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relaySecret = os.Getenv("RELAY_SECRET")
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if 0 == len(relaySecret) {
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relaySecret = os.Getenv("SECRET")
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}
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}
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if 0 == len(secret) {
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secret = clientSecret
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}
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if 0 == len(secret) {
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secret = relaySecret
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}
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if 0 == len(secret) && 0 == len(clientSecret) && 0 == len(relaySecret) {
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fmt.Fprintf(os.Stderr, "See usage: signjwt --help\n")
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os.Exit(1)
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return
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} else if 0 != len(clientSecret) && 0 != len(relaySecret) {
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fmt.Fprintf(os.Stderr, "Use only one of $SECRET or --relay-secret or --client-secret\n")
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os.Exit(1)
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return
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}
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var ppid string
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muid, err := machineid.ProtectedID(fmt.Sprintf("%s|%s", *appID, secret))
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//muid, err := machineid.ProtectedID(fmt.Sprintf("%s|%s", ClientID, ClientSecret))
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if nil != err {
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fmt.Fprintf(os.Stderr, "unauthorized device: %s\n", err)
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os.Exit(1)
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return
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}
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muidBytes, _ := hex.DecodeString(muid)
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ppid = base64.RawURLEncoding.EncodeToString(muidBytes)
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fmt.Fprintf(os.Stderr, "[debug] appID = %s\n", *appID)
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fmt.Fprintf(os.Stderr, "[debug] secret = %s\n", secret)
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pub := authstore.ToPublicKeyString(ppid)
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if *machinePPID {
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fmt.Fprintf(os.Stderr, "[debug]: <ppid> <pub>\n")
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fmt.Fprintf(
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os.Stdout,
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"%s %s\n",
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ppid,
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pub,
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)
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return
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}
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fmt.Fprintf(os.Stderr, "[debug] ppid = %s\n", ppid)
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fmt.Fprintf(os.Stderr, "[debug] pub = %s\n", pub)
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tok, err := authstore.HMACToken(ppid)
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if nil != err {
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fmt.Fprintf(os.Stderr, "signing error: %s\n", err)
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os.Exit(1)
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return
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}
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fmt.Fprintf(os.Stderr, "[debug] <token>\n")
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fmt.Fprintf(os.Stdout, "%s\n", tok)
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if "" != *authURL {
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grants, err := telebit.Inspect(*authURL, tok)
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if nil != err {
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fmt.Fprintf(os.Stderr, "inspect relay token failed:\n%s\n", err)
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os.Exit(1)
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}
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fmt.Fprintf(os.Stderr, "[debug] <grants>\n")
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fmt.Fprintf(os.Stderr, "%+v\n", grants)
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}
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}
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