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repo-template/vendor/golang.org/x/oauth2/google/jwt_test.go

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2018-02-07 09:03:05 +00:00
// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package google
import (
"bytes"
"crypto/rand"
"crypto/rsa"
"crypto/x509"
"encoding/base64"
"encoding/json"
"encoding/pem"
"strings"
"testing"
"time"
"golang.org/x/oauth2/jws"
)
func TestJWTAccessTokenSourceFromJSON(t *testing.T) {
// Generate a key we can use in the test data.
privateKey, err := rsa.GenerateKey(rand.Reader, 2048)
if err != nil {
t.Fatal(err)
}
// Encode the key and substitute into our example JSON.
enc := pem.EncodeToMemory(&pem.Block{
Type: "PRIVATE KEY",
Bytes: x509.MarshalPKCS1PrivateKey(privateKey),
})
enc, err = json.Marshal(string(enc))
if err != nil {
t.Fatalf("json.Marshal: %v", err)
}
jsonKey := bytes.Replace(jwtJSONKey, []byte(`"super secret key"`), enc, 1)
ts, err := JWTAccessTokenSourceFromJSON(jsonKey, "audience")
if err != nil {
t.Fatalf("JWTAccessTokenSourceFromJSON: %v\nJSON: %s", err, string(jsonKey))
}
tok, err := ts.Token()
if err != nil {
t.Fatalf("Token: %v", err)
}
if got, want := tok.TokenType, "Bearer"; got != want {
t.Errorf("TokenType = %q, want %q", got, want)
}
if got := tok.Expiry; tok.Expiry.Before(time.Now()) {
t.Errorf("Expiry = %v, should not be expired", got)
}
err = jws.Verify(tok.AccessToken, &privateKey.PublicKey)
if err != nil {
t.Errorf("jws.Verify on AccessToken: %v", err)
}
claim, err := jws.Decode(tok.AccessToken)
if err != nil {
t.Fatalf("jws.Decode on AccessToken: %v", err)
}
if got, want := claim.Iss, "gopher@developer.gserviceaccount.com"; got != want {
t.Errorf("Iss = %q, want %q", got, want)
}
if got, want := claim.Sub, "gopher@developer.gserviceaccount.com"; got != want {
t.Errorf("Sub = %q, want %q", got, want)
}
if got, want := claim.Aud, "audience"; got != want {
t.Errorf("Aud = %q, want %q", got, want)
}
// Finally, check the header private key.
parts := strings.Split(tok.AccessToken, ".")
hdrJSON, err := base64.RawURLEncoding.DecodeString(parts[0])
if err != nil {
t.Fatalf("base64 DecodeString: %v\nString: %q", err, parts[0])
}
var hdr jws.Header
if err := json.Unmarshal([]byte(hdrJSON), &hdr); err != nil {
t.Fatalf("json.Unmarshal: %v (%q)", err, hdrJSON)
}
if got, want := hdr.KeyID, "268f54e43a1af97cfc71731688434f45aca15c8b"; got != want {
t.Errorf("Header KeyID = %q, want %q", got, want)
}
}