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