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package main
import (
"fmt"
"log"
"net"
"os"
"os/user"
"path"
"time"
"github.com/nsheridan/cashier/client"
"github.com/pkg/browser"
"github.com/spf13/pflag"
"golang.org/x/crypto/ssh/agent"
)
var (
u, _ = user.Current()
cfg = pflag.String("config", path.Join(u.HomeDir, ".cashier.conf"), "Path to config file")
ca = pflag.String("ca", "http://localhost:10000", "CA server")
keysize = pflag.Int("key_size", 2048, "Key size. Ignored for ed25519 keys")
validity = pflag.Duration("validity", time.Hour*24, "Key validity")
keytype = pflag.String("key_type", "rsa", "Type of private key to generate - rsa, ecdsa or ed25519")
)
func main() {
pflag.Parse()
c, err := client.ReadConfig(*cfg)
if err != nil {
log.Fatalf("Error parsing config file: %v\n", err)
}
fmt.Printf("Your browser has been opened to visit %s\n", c.CA)
if err := browser.OpenURL(c.CA); err != nil {
fmt.Println("Error launching web browser. Go to the link in your web browser")
}
fmt.Println("Generating new key pair")
priv, pub, err := client.GenerateKey(c.Keytype, c.Keysize)
if err != nil {
log.Fatalln("Error generating key pair: ", err)
}
fmt.Print("Enter token: ")
var token string
fmt.Scanln(&token)
cert, err := client.Sign(pub, token, c)
if err != nil {
log.Fatalln(err)
}
sock, err := net.Dial("unix", os.Getenv("SSH_AUTH_SOCK"))
if err != nil {
log.Fatalln("Error connecting to agent: %s", err)
}
defer sock.Close()
a := agent.NewClient(sock)
if err := client.InstallCert(a, cert, priv); err != nil {
log.Fatalln(err)
}
fmt.Println("Credentials added.")
}
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