private void verifyJwtAccess(Map<String, List<String>> metadata, String expectedEmail, URI expectedAudience, String expectedKeyId) throws IOException { assertNotNull(metadata); List<String> authorizations = metadata.get(AuthHttpConstants.AUTHORIZATION); assertNotNull("Authorization headers not found", authorizations); String assertion = null; for (String authorization : authorizations) { if (authorization.startsWith(JWT_ACCESS_PREFIX)) { assertNull("Multiple bearer assertions found", assertion); assertion = authorization.substring(JWT_ACCESS_PREFIX.length()); } } assertNotNull("Bearer assertion not found", assertion); JsonWebSignature signature = JsonWebSignature.parse(JSON_FACTORY, assertion); assertEquals(expectedEmail, signature.getPayload().getIssuer()); assertEquals(expectedEmail, signature.getPayload().getSubject()); assertEquals(expectedAudience.toString(), signature.getPayload().getAudience()); assertEquals(expectedKeyId, signature.getHeader().getKeyId()); }
@Test public void createAssertion_correct() throws IOException { PrivateKey privateKey = ServiceAccountCredentials.privateKeyFromPkcs8(SA_PRIVATE_KEY_PKCS8); List<String> scopes = Arrays.asList("scope1", "scope2"); ServiceAccountCredentials credentials = ServiceAccountCredentials.newBuilder() .setClientId(SA_CLIENT_ID) .setClientEmail(SA_CLIENT_EMAIL) .setPrivateKey(privateKey) .setPrivateKeyId(SA_PRIVATE_KEY_ID) .setScopes(scopes) .setServiceAccountUser(SERVICE_ACCOUNT_USER) .setProjectId(PROJECT_ID) .build(); JsonFactory jsonFactory = OAuth2Utils.JSON_FACTORY; long currentTimeMillis = Clock.SYSTEM.currentTimeMillis(); String assertion = credentials.createAssertion(jsonFactory, currentTimeMillis, null); JsonWebSignature signature = JsonWebSignature.parse(jsonFactory, assertion); JsonWebToken.Payload payload = signature.getPayload(); assertEquals(SA_CLIENT_EMAIL, payload.getIssuer()); assertEquals(OAuth2Utils.TOKEN_SERVER_URI.toString(), payload.getAudience()); assertEquals(currentTimeMillis / 1000, (long) payload.getIssuedAtTimeSeconds()); assertEquals(currentTimeMillis / 1000 + 3600, (long) payload.getExpirationTimeSeconds()); assertEquals(SERVICE_ACCOUNT_USER, payload.getSubject()); assertEquals(Joiner.on(' ').join(scopes), payload.get("scope")); }
@Test public void createAssertion_withTokenUri_correct() throws IOException { PrivateKey privateKey = ServiceAccountCredentials.privateKeyFromPkcs8(SA_PRIVATE_KEY_PKCS8); List<String> scopes = Arrays.asList("scope1", "scope2"); ServiceAccountCredentials credentials = ServiceAccountCredentials.newBuilder() .setClientId(SA_CLIENT_ID) .setClientEmail(SA_CLIENT_EMAIL) .setPrivateKey(privateKey) .setPrivateKeyId(SA_PRIVATE_KEY_ID) .setScopes(scopes) .setServiceAccountUser(SERVICE_ACCOUNT_USER) .setProjectId(PROJECT_ID) .build(); JsonFactory jsonFactory = OAuth2Utils.JSON_FACTORY; long currentTimeMillis = Clock.SYSTEM.currentTimeMillis(); String assertion = credentials.createAssertion(jsonFactory, currentTimeMillis, "https://foo.com/bar"); JsonWebSignature signature = JsonWebSignature.parse(jsonFactory, assertion); JsonWebToken.Payload payload = signature.getPayload(); assertEquals(SA_CLIENT_EMAIL, payload.getIssuer()); assertEquals("https://foo.com/bar", payload.getAudience()); assertEquals(currentTimeMillis / 1000, (long) payload.getIssuedAtTimeSeconds()); assertEquals(currentTimeMillis / 1000 + 3600, (long) payload.getExpirationTimeSeconds()); assertEquals(SERVICE_ACCOUNT_USER, payload.getSubject()); assertEquals(Joiner.on(' ').join(scopes), payload.get("scope")); }