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ComputeEngineCredentialsTest.java
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/
ComputeEngineCredentialsTest.java
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/*
* Copyright 2015, Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
*
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.google.auth.oauth2;
import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import com.google.api.client.http.HttpStatusCodes;
import com.google.api.client.http.HttpTransport;
import com.google.api.client.http.LowLevelHttpRequest;
import com.google.api.client.http.LowLevelHttpResponse;
import com.google.api.client.testing.http.MockLowLevelHttpRequest;
import com.google.api.client.testing.http.MockLowLevelHttpResponse;
import com.google.api.client.util.Clock;
import com.google.auth.ServiceAccountSigner.SigningException;
import com.google.auth.TestUtils;
import com.google.auth.http.HttpTransportFactory;
import com.google.auth.oauth2.GoogleCredentialsTest.MockHttpTransportFactory;
import java.io.IOException;
import java.net.URI;
import java.util.List;
import java.util.Map;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/** Test case for {@link ComputeEngineCredentials}. */
@RunWith(JUnit4.class)
public class ComputeEngineCredentialsTest extends BaseSerializationTest {
private static final URI CALL_URI = URI.create("http://googleapis.com/testapi/v1/foo");
static class MockMetadataServerTransportFactory implements HttpTransportFactory {
MockMetadataServerTransport transport = new MockMetadataServerTransport();
@Override
public HttpTransport create() {
return transport;
}
}
@Test
public void getRequestMetadata_hasAccessToken() throws IOException {
final String accessToken = "1/MkSJoj1xsli0AccessToken_NKPY2";
MockMetadataServerTransportFactory transportFactory = new MockMetadataServerTransportFactory();
transportFactory.transport.setAccessToken(accessToken);
ComputeEngineCredentials credentials =
ComputeEngineCredentials.newBuilder().setHttpTransportFactory(transportFactory).build();
Map<String, List<String>> metadata = credentials.getRequestMetadata(CALL_URI);
TestUtils.assertContainsBearerToken(metadata, accessToken);
}
@Test
public void getRequestMetadata_missingServiceAccount_throws() {
final String accessToken = "1/MkSJoj1xsli0AccessToken_NKPY2";
MockMetadataServerTransportFactory transportFactory = new MockMetadataServerTransportFactory();
transportFactory.transport.setAccessToken(accessToken);
transportFactory.transport.setTokenRequestStatusCode(HttpStatusCodes.STATUS_CODE_NOT_FOUND);
ComputeEngineCredentials credentials =
ComputeEngineCredentials.newBuilder().setHttpTransportFactory(transportFactory).build();
try {
credentials.getRequestMetadata(CALL_URI);
fail("Expected error refreshing token.");
} catch (IOException expected) {
String message = expected.getMessage();
assertTrue(message.contains(Integer.toString(HttpStatusCodes.STATUS_CODE_NOT_FOUND)));
// Message should mention scopes are missing on the VM.
assertTrue(message.contains("scope"));
}
}
@Test
public void getRequestMetadata_serverError_throws() {
final String accessToken = "1/MkSJoj1xsli0AccessToken_NKPY2";
MockMetadataServerTransportFactory transportFactory = new MockMetadataServerTransportFactory();
transportFactory.transport.setAccessToken(accessToken);
transportFactory.transport.setTokenRequestStatusCode(HttpStatusCodes.STATUS_CODE_SERVER_ERROR);
ComputeEngineCredentials credentials =
ComputeEngineCredentials.newBuilder().setHttpTransportFactory(transportFactory).build();
try {
credentials.getRequestMetadata(CALL_URI);
fail("Expected error refreshing token.");
} catch (IOException expected) {
String message = expected.getMessage();
assertTrue(message.contains(Integer.toString(HttpStatusCodes.STATUS_CODE_SERVER_ERROR)));
assertTrue(message.contains("Unexpected"));
}
}
@Test
public void equals_true() throws IOException {
MockMetadataServerTransportFactory transportFactory = new MockMetadataServerTransportFactory();
ComputeEngineCredentials credentials =
ComputeEngineCredentials.newBuilder().setHttpTransportFactory(transportFactory).build();
ComputeEngineCredentials otherCredentials =
ComputeEngineCredentials.newBuilder().setHttpTransportFactory(transportFactory).build();
assertTrue(credentials.equals(otherCredentials));
assertTrue(otherCredentials.equals(credentials));
}
@Test
public void equals_false_transportFactory() throws IOException {
MockHttpTransportFactory httpTransportFactory = new MockHttpTransportFactory();
MockMetadataServerTransportFactory serverTransportFactory =
new MockMetadataServerTransportFactory();
ComputeEngineCredentials credentials =
ComputeEngineCredentials.newBuilder()
.setHttpTransportFactory(serverTransportFactory)
.build();
ComputeEngineCredentials otherCredentials =
ComputeEngineCredentials.newBuilder().setHttpTransportFactory(httpTransportFactory).build();
assertFalse(credentials.equals(otherCredentials));
assertFalse(otherCredentials.equals(credentials));
}
@Test
public void toString_containsFields() throws IOException {
MockMetadataServerTransportFactory serverTransportFactory =
new MockMetadataServerTransportFactory();
String expectedToString =
String.format(
"ComputeEngineCredentials{transportFactoryClassName=%s}",
MockMetadataServerTransportFactory.class.getName());
ComputeEngineCredentials credentials =
ComputeEngineCredentials.newBuilder()
.setHttpTransportFactory(serverTransportFactory)
.build();
assertEquals(expectedToString, credentials.toString());
}
@Test
public void hashCode_equals() throws IOException {
MockMetadataServerTransportFactory serverTransportFactory =
new MockMetadataServerTransportFactory();
ComputeEngineCredentials credentials =
ComputeEngineCredentials.newBuilder()
.setHttpTransportFactory(serverTransportFactory)
.build();
ComputeEngineCredentials otherCredentials =
ComputeEngineCredentials.newBuilder()
.setHttpTransportFactory(serverTransportFactory)
.build();
assertEquals(credentials.hashCode(), otherCredentials.hashCode());
}
@Test
public void serialize() throws IOException, ClassNotFoundException {
MockMetadataServerTransportFactory serverTransportFactory =
new MockMetadataServerTransportFactory();
ComputeEngineCredentials credentials =
ComputeEngineCredentials.newBuilder()
.setHttpTransportFactory(serverTransportFactory)
.build();
GoogleCredentials deserializedCredentials = serializeAndDeserialize(credentials);
assertEquals(credentials, deserializedCredentials);
assertEquals(credentials.hashCode(), deserializedCredentials.hashCode());
assertEquals(credentials.toString(), deserializedCredentials.toString());
assertSame(deserializedCredentials.clock, Clock.SYSTEM);
credentials = ComputeEngineCredentials.newBuilder().build();
deserializedCredentials = serializeAndDeserialize(credentials);
assertEquals(credentials, deserializedCredentials);
assertEquals(credentials.hashCode(), deserializedCredentials.hashCode());
assertEquals(credentials.toString(), deserializedCredentials.toString());
assertSame(deserializedCredentials.clock, Clock.SYSTEM);
}
@Test
public void getAccount_sameAs() throws IOException {
MockMetadataServerTransportFactory transportFactory = new MockMetadataServerTransportFactory();
String defaultAccountEmail = "mail@mail.com";
transportFactory.transport.setServiceAccountEmail(defaultAccountEmail);
ComputeEngineCredentials credentials =
ComputeEngineCredentials.newBuilder().setHttpTransportFactory(transportFactory).build();
assertEquals(defaultAccountEmail, credentials.getAccount());
}
@Test
public void getAccount_missing_throws() {
MockMetadataServerTransportFactory transportFactory = new MockMetadataServerTransportFactory();
String defaultAccountEmail = "mail@mail.com";
transportFactory.transport =
new MockMetadataServerTransport() {
@Override
public LowLevelHttpRequest buildRequest(String method, String url) throws IOException {
if (isGetServiceAccountsUrl(url)) {
return new MockLowLevelHttpRequest(url) {
@Override
public LowLevelHttpResponse execute() throws IOException {
return new MockLowLevelHttpResponse()
.setStatusCode(HttpStatusCodes.STATUS_CODE_NOT_FOUND)
.setContent("");
}
};
}
return super.buildRequest(method, url);
}
};
transportFactory.transport.setServiceAccountEmail(defaultAccountEmail);
ComputeEngineCredentials credentials =
ComputeEngineCredentials.newBuilder().setHttpTransportFactory(transportFactory).build();
try {
credentials.getAccount();
fail("Fetching default service account should have failed");
} catch (RuntimeException e) {
assertEquals("Failed to get service account", e.getMessage());
assertNotNull(e.getCause());
assertTrue(e.getCause().getMessage().contains("404"));
}
}
@Test
public void getAccount_emptyContent_throws() {
MockMetadataServerTransportFactory transportFactory = new MockMetadataServerTransportFactory();
String defaultAccountEmail = "mail@mail.com";
transportFactory.transport =
new MockMetadataServerTransport() {
@Override
public LowLevelHttpRequest buildRequest(String method, String url) throws IOException {
if (isGetServiceAccountsUrl(url)) {
return new MockLowLevelHttpRequest(url) {
@Override
public LowLevelHttpResponse execute() throws IOException {
return new MockLowLevelHttpResponse()
.setStatusCode(HttpStatusCodes.STATUS_CODE_OK);
}
};
}
return super.buildRequest(method, url);
}
};
transportFactory.transport.setServiceAccountEmail(defaultAccountEmail);
ComputeEngineCredentials credentials =
ComputeEngineCredentials.newBuilder().setHttpTransportFactory(transportFactory).build();
try {
credentials.getAccount();
fail("Fetching default service account should have failed");
} catch (RuntimeException e) {
assertEquals("Failed to get service account", e.getMessage());
assertNotNull(e.getCause());
assertTrue(e.getCause().getMessage().contains("Empty content"));
}
}
@Test
public void sign_sameAs() throws IOException {
MockMetadataServerTransportFactory transportFactory = new MockMetadataServerTransportFactory();
final String accessToken = "1/MkSJoj1xsli0AccessToken_NKPY2";
String defaultAccountEmail = "mail@mail.com";
byte[] expectedSignature = {0xD, 0xE, 0xA, 0xD};
transportFactory.transport.setAccessToken(accessToken);
transportFactory.transport.setServiceAccountEmail(defaultAccountEmail);
transportFactory.transport.setSignature(expectedSignature);
ComputeEngineCredentials credentials =
ComputeEngineCredentials.newBuilder().setHttpTransportFactory(transportFactory).build();
assertArrayEquals(expectedSignature, credentials.sign(expectedSignature));
}
@Test
public void sign_getAccountFails() throws IOException {
MockMetadataServerTransportFactory transportFactory = new MockMetadataServerTransportFactory();
final String accessToken = "1/MkSJoj1xsli0AccessToken_NKPY2";
byte[] expectedSignature = {0xD, 0xE, 0xA, 0xD};
transportFactory.transport.setAccessToken(accessToken);
transportFactory.transport.setSignature(expectedSignature);
ComputeEngineCredentials credentials =
ComputeEngineCredentials.newBuilder().setHttpTransportFactory(transportFactory).build();
try {
credentials.sign(expectedSignature);
fail();
} catch (SigningException ex) {
assertNotNull(ex.getMessage());
assertNotNull(ex.getCause());
}
}
@Test
public void sign_accessDenied_throws() {
MockMetadataServerTransportFactory transportFactory = new MockMetadataServerTransportFactory();
final String accessToken = "1/MkSJoj1xsli0AccessToken_NKPY2";
String defaultAccountEmail = "mail@mail.com";
transportFactory.transport =
new MockMetadataServerTransport() {
@Override
public LowLevelHttpRequest buildRequest(String method, String url) throws IOException {
if (isSignRequestUrl(url)) {
return new MockLowLevelHttpRequest(url) {
@Override
public LowLevelHttpResponse execute() throws IOException {
return new MockLowLevelHttpResponse()
.setStatusCode(HttpStatusCodes.STATUS_CODE_FORBIDDEN)
.setContent(TestUtils.errorJson("Sign Error"));
}
};
}
return super.buildRequest(method, url);
}
};
transportFactory.transport.setAccessToken(accessToken);
transportFactory.transport.setServiceAccountEmail(defaultAccountEmail);
ComputeEngineCredentials credentials =
ComputeEngineCredentials.newBuilder().setHttpTransportFactory(transportFactory).build();
try {
byte[] bytes = {0xD, 0xE, 0xA, 0xD};
credentials.sign(bytes);
fail("Signing should have failed");
} catch (SigningException e) {
assertEquals("Failed to sign the provided bytes", e.getMessage());
assertNotNull(e.getCause());
assertTrue(e.getCause().getMessage().contains("403"));
}
}
@Test
public void sign_serverError_throws() {
MockMetadataServerTransportFactory transportFactory = new MockMetadataServerTransportFactory();
final String accessToken = "1/MkSJoj1xsli0AccessToken_NKPY2";
String defaultAccountEmail = "mail@mail.com";
transportFactory.transport =
new MockMetadataServerTransport() {
@Override
public LowLevelHttpRequest buildRequest(String method, String url) throws IOException {
if (isSignRequestUrl(url)) {
return new MockLowLevelHttpRequest(url) {
@Override
public LowLevelHttpResponse execute() throws IOException {
return new MockLowLevelHttpResponse()
.setStatusCode(HttpStatusCodes.STATUS_CODE_SERVER_ERROR)
.setContent(TestUtils.errorJson("Sign Error"));
}
};
}
return super.buildRequest(method, url);
}
};
transportFactory.transport.setAccessToken(accessToken);
transportFactory.transport.setServiceAccountEmail(defaultAccountEmail);
ComputeEngineCredentials credentials =
ComputeEngineCredentials.newBuilder().setHttpTransportFactory(transportFactory).build();
try {
byte[] bytes = {0xD, 0xE, 0xA, 0xD};
credentials.sign(bytes);
fail("Signing should have failed");
} catch (SigningException e) {
assertEquals("Failed to sign the provided bytes", e.getMessage());
assertNotNull(e.getCause());
assertTrue(e.getCause().getMessage().contains("500"));
}
}
@Test
public void sign_emptyContent_throws() {
MockMetadataServerTransportFactory transportFactory = new MockMetadataServerTransportFactory();
final String accessToken = "1/MkSJoj1xsli0AccessToken_NKPY2";
String defaultAccountEmail = "mail@mail.com";
transportFactory.transport =
new MockMetadataServerTransport() {
@Override
public LowLevelHttpRequest buildRequest(String method, String url) throws IOException {
if (isSignRequestUrl(url)) {
return new MockLowLevelHttpRequest(url) {
@Override
public LowLevelHttpResponse execute() throws IOException {
return new MockLowLevelHttpResponse()
.setStatusCode(HttpStatusCodes.STATUS_CODE_OK);
}
};
}
return super.buildRequest(method, url);
}
};
transportFactory.transport.setAccessToken(accessToken);
transportFactory.transport.setServiceAccountEmail(defaultAccountEmail);
ComputeEngineCredentials credentials =
ComputeEngineCredentials.newBuilder().setHttpTransportFactory(transportFactory).build();
try {
byte[] bytes = {0xD, 0xE, 0xA, 0xD};
credentials.sign(bytes);
fail("Signing should have failed");
} catch (SigningException e) {
assertEquals("Failed to sign the provided bytes", e.getMessage());
assertNotNull(e.getCause());
assertTrue(e.getCause().getMessage().contains("Empty content"));
}
}
}