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README.md

  • signer_test.go 1.41 KiB
    package signer
    
    import (
    	"bytes"
    	"reflect"
    	"testing"
    	"time"
    
    	"github.com/nsheridan/cashier/lib"
    	"github.com/nsheridan/cashier/testdata"
    
    	"golang.org/x/crypto/ssh"
    )
    
    var (
    	key, _ = ssh.ParsePrivateKey(testdata.Priv)
    	signer = &KeySigner{
    		ca:         key,
    		validity:   12 * time.Hour,
    		principals: []string{"ec2-user"},
    	}
    )
    
    func TestCert(t *testing.T) {
    	r := &lib.SignRequest{
    		Key:        string(testdata.Pub),
    		Principal:  "gopher1",
    		ValidUntil: time.Now().Add(1 * time.Hour),
    	}
    	ret, err := signer.Sign(r)
    	if err != nil {
    		t.Fatal(err)
    	}
    	c, _, _, _, err := ssh.ParseAuthorizedKey([]byte(ret))
    	cert, ok := c.(*ssh.Certificate)
    	if !ok {
    		t.Fatalf("Expected type *ssh.Certificate, got %v (%T)", cert, cert)
    	}
    	if !bytes.Equal(cert.SignatureKey.Marshal(), signer.ca.PublicKey().Marshal()) {
    		t.Fatal("Cert signer and server signer don't match")
    	}
    	var principals []string
    	principals = append(principals, r.Principal)
    	principals = append(principals, signer.principals...)
    	if !reflect.DeepEqual(cert.ValidPrincipals, principals) {
    		t.Fatalf("Expected %s, got %s", cert.ValidPrincipals, principals)
    	}
    	k1, _, _, _, err := ssh.ParseAuthorizedKey([]byte(r.Key))
    	k2 := cert.Key
    	if !bytes.Equal(k1.Marshal(), k2.Marshal()) {
    		t.Fatal("Cert key doesn't match public key")
    	}
    	if cert.ValidBefore != uint64(r.ValidUntil.Unix()) {
    		t.Fatalf("Invalid validity, expected %d, got %d", r.ValidUntil, cert.ValidBefore)
    	}
    }