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// Copyright 2020 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 externalaccount
import (
"context"
"io/ioutil"
"net/http"
"net/http/httptest"
"testing"
"time"
)
const (
textBaseCredPath = "testdata/3pi_cred.txt"
jsonBaseCredPath = "testdata/3pi_cred.json"
)
var testBaseCredSource = CredentialSource{
File: textBaseCredPath,
Format: format{Type: fileTypeText},
}
var testConfig = Config{
Audience: "32555940559.apps.googleusercontent.com",
SubjectTokenType: "urn:ietf:params:oauth:token-type:jwt",
TokenInfoURL: "http://localhost:8080/v1/tokeninfo",
ClientSecret: "notsosecret",
ClientID: "rbrgnognrhongo3bi4gb9ghg9g",
CredentialSource: testBaseCredSource,
Scopes: []string{"https://www.googleapis.com/auth/devstorage.full_control"},
}
var (
baseCredsRequestBody = "audience=32555940559.apps.googleusercontent.com&grant_type=urn%3Aietf%3Aparams%3Aoauth%3Agrant-type%3Atoken-exchange&requested_token_type=urn%3Aietf%3Aparams%3Aoauth%3Atoken-type%3Aaccess_token&scope=https%3A%2F%2Fwww.googleapis.com%2Fauth%2Fdevstorage.full_control&subject_token=street123&subject_token_type=urn%3Aietf%3Aparams%3Aoauth%3Atoken-type%3Ajwt"
baseCredsResponseBody = `{"access_token":"Sample.Access.Token","issued_token_type":"urn:ietf:params:oauth:token-type:access_token","token_type":"Bearer","expires_in":3600,"scope":"https://www.googleapis.com/auth/cloud-platform"}`
correctAT = "Sample.Access.Token"
expiry int64 = 234852
)
var (
testNow = func() time.Time { return time.Unix(expiry, 0) }
)
func TestToken(t *testing.T) {
targetServer := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if got, want := r.URL.String(), "/"; got != want {
t.Errorf("URL.String(): got %v but want %v", got, want)
}
headerAuth := r.Header.Get("Authorization")
if got, want := headerAuth, "Basic cmJyZ25vZ25yaG9uZ28zYmk0Z2I5Z2hnOWc6bm90c29zZWNyZXQ="; got != want {
t.Errorf("got %v but want %v", got, want)
}
headerContentType := r.Header.Get("Content-Type")
if got, want := headerContentType, "application/x-www-form-urlencoded"; got != want {
t.Errorf("got %v but want %v", got, want)
}
body, err := ioutil.ReadAll(r.Body)
if err != nil {
t.Fatalf("Failed reading request body: %s.", err)
}
if got, want := string(body), baseCredsRequestBody; got != want {
t.Errorf("Unexpected exchange payload: got %v but want %v", got, want)
}
w.Header().Set("Content-Type", "application/json")
w.Write([]byte(baseCredsResponseBody))
}))
defer targetServer.Close()
testConfig.TokenURL = targetServer.URL
ourTS := tokenSource{
ctx: context.Background(),
conf: &testConfig,
}
oldNow := now
defer func() { now = oldNow }()
now = testNow
tok, err := ourTS.Token()
if err != nil {
t.Fatalf("Unexpected error: %e", err)
}
if got, want := tok.AccessToken, correctAT; got != want {
t.Errorf("Unexpected access token: got %v, but wanted %v", got, want)
}
if got, want := tok.TokenType, "Bearer"; got != want {
t.Errorf("Unexpected TokenType: got %v, but wanted %v", got, want)
}
if got, want := tok.Expiry, now().Add(time.Duration(3600)*time.Second); got != want {
t.Errorf("Unexpected Expiry: got %v, but wanted %v", got, want)
}
}