Add validateToken method to auth client

.github/workflows/test.yml

@@ -34,7 +34,18 @@ jobs:
           java-version: ${{matrix.java}}
 
       - name: Run tests
-        run: ./gradlew test
+        env:
+           KBASE_CI_TOKEN: ${{ secrets.KBASE_CI_TOKEN }}
+           KBASE_CI_TOKEN2: ${{ secrets.KBASE_CI_TOKEN2 }}
+        run: |
+           cp test.cfg.example test.cfg
+           sed -i "s#^auth_token1 =.*#auth_token1 = $KBASE_CI_TOKEN#" test.cfg
+           sed -i "s#^auth_token2 =.*#auth_token2 = $KBASE_CI_TOKEN2#" test.cfg
+           sed -i "s#^auth_user1 =.*#auth_user1 = kbase_bot#" test.cfg
+           sed -i "s#^auth_user2 =.*#auth_user2 = sychan168#" test.cfg
+           sed -i "s#^good_users =.*#good_users = kbasetest2   ,    kbasetest7   , kbasehelp#" test.cfg
+
+           ./gradlew test
 
       - name: Upload coverage to Codecov
         uses: codecov/codecov-action@v3

build.gradle

@@ -27,7 +27,7 @@ compileJava {
 }
 
 test {
-	systemProperty "AUTH2_TEST_CONFIG", "./test.cfg"
+	systemProperty "test.cfg", "./test.cfg"
 	testLogging {
 		exceptionFormat = 'full'
 		showStandardStreams = true
@@ -57,6 +57,7 @@ dependencies {
 	implementation 'com.fasterxml.jackson.core:jackson-databind:2.5.4'
 	implementation 'org.slf4j:slf4j-api:1.7.25'
 
+	testImplementation 'org.ini4j:ini4j:0.5.2'
 	testImplementation 'junit:junit:4.12'
 	testImplementation 'nl.jqno.equalsverifier:equalsverifier:3.1.10'
 	testImplementation 'org.apache.commons:commons-lang3:3.1'

src/main/java/us/kbase/auth/client/AuthClient.java

@@ -7,6 +7,7 @@
 import java.io.Reader;
 import java.net.HttpURLConnection;
 import java.net.URI;
+import java.net.URISyntaxException;
 import java.nio.charset.StandardCharsets;
 import java.util.Map;
 
@@ -15,6 +16,8 @@
 import com.fasterxml.jackson.databind.ObjectMapper;
 
 import us.kbase.auth.AuthException;
+import us.kbase.auth.AuthToken;
+import us.kbase.auth.client.internal.TokenCache;
 
 /** A client for the KBase Auth2 authentication server (https://github.com/kbase/auth2).
  * 
@@ -27,6 +30,9 @@
 	// TODO CODE use the built in client in Java 11 when we drop java 8
 
 	private static final ObjectMapper MAPPER = new ObjectMapper();
+
+	// make this configurable? Add a builder if so
+	private final TokenCache tokenCache = new TokenCache(1000, 2000); // same as old auth client
 
 	private final URI rootURI;
 
@@ -47,19 +53,31 @@
 		if (!"https".equals(auth2RootURI.getScheme())) {
 			LoggerFactory.getLogger(getClass()).warn("auth root URI is insecure");
 		}
-		rootURI = auth2RootURI;
-		final Map<String, Object> doc = request(rootURI);
+		final Map<String, Object> doc = request(auth2RootURI);
 		if (!"Authentication Service".equals(doc.get("servicename"))) {
 			throw new AuthException(String.format(
-					"Service at %s is not the authentication service", rootURI));
+					"Service at %s is not the authentication service", auth2RootURI));
+		}
+		try {
+			rootURI = new URI(auth2RootURI.toString() + "/").normalize();
+		} catch (URISyntaxException e) {
+			throw new RuntimeException("this should be impossible", e);
 		}
 	}
 
 	private Map<String, Object> request(final URI target) throws IOException, AuthException {
-		// tried to use the Jersey client here but kept getting ssl handshake errors if I used
-		// it more than once
+		return request(target, null);
+	}
+
+	private Map<String, Object> request(final URI target, final String token)
+			throws IOException, AuthException {
+		// tried to use the Jersey client here but kept getting ssl handshake errors if I made
+		// more than one request
 		final HttpURLConnection conn = (HttpURLConnection) target.toURL().openConnection();
 		conn.addRequestProperty("Accept", "application/json");
+		if (token != null) {
+			conn.addRequestProperty("Authorization", token);
+		}
 		try {
 			final int code = conn.getResponseCode();
 			final String res = readResponse(conn, code != 200);
@@ -135,5 +153,30 @@
 		final Map<String, Object> doc = request(rootURI);
 		return (String) doc.get("version");
 	}
+
+	// TODO CODE could do a lot more here later w/ the return data from the auth server
+	//           - token type, custom expiration time, etc.
+
+	/** Validate a token and get name of the user that owns the token.
+	 * @param token the token.
+	 * @return an authtoken containing the token and the username.
+	 * @throws IOException if an IOException occurs communicating with the auth service.
+	 * @throws AuthException if an auth exception occurs communicating with the auth service.
+	 */
+	public AuthToken validateToken(final String token) throws IOException, AuthException {
+		if (token == null || token.trim().isEmpty()) {
+			throw new IllegalArgumentException("token must be a non-whitespace string");
+		}
+		final AuthToken t = tokenCache.getToken(token);
+		if (t != null) {
+			return t;
+		}
+		final URI target = rootURI.resolve("api/V2/token");
+		final Map<String, Object> res = request(target, token.trim());
+		// assume we're good at this point
+		final AuthToken authToken = new AuthToken(token, (String) res.get("user"));
+		tokenCache.putValidToken(authToken);
+		return authToken;
+	}
 
 }

src/test/java/us/kbase/test/auth/client/AuthClientTest.java

@@ -19,6 +19,7 @@
 import ch.qos.logback.classic.spi.ILoggingEvent;
 import ch.qos.logback.core.read.ListAppender;
 import us.kbase.auth.AuthException;
+import us.kbase.auth.AuthToken;
 import us.kbase.auth.client.AuthClient;
 import us.kbase.test.common.TestCommon;
 
@@ -121,4 +122,61 @@ public void getServerVersion() throws Exception {
 		// don't anchor right side to allow for pre-release strings
 		assertThat("not a semver", ver.matches("^\\d+\\.\\d+\\.\\d+"), is(true));
 	}
+
+	@Test
+	public void validateToken() throws Exception {
+		final String token1 = TestCommon.getAuthToken1();
+		final String user1 = TestCommon.getAuthUser1();
+		final String token2 = TestCommon.getAuthToken2();
+		final String user2 = TestCommon.getAuthUser2();
+		assertThat("both tokens are the same", token1.equals(token2), is(false));
+		assertThat("both users are the same", user1.equals(user2), is(false));
+
+		final AuthClient c = AuthClient.from(new URI(TestCommon.getAuthURI()));
+
+		// First time from service
+		final AuthToken t = c.validateToken(token1);
+		assertThat("incorrect user", t.getUserName(), is(user1));  // for easier debugging
+		assertThat("incorrect auth token", t, is(new AuthToken(token1, user1)));
+
+		// Second time from cache. No way to actually verify that's what's happening though.
+		// If we refactor to use the same client for every request, can inject the client
+		// and mock it
+		final AuthToken t2 = c.validateToken(token1);
+		assertThat("incorrect auth token", t2, is(new AuthToken(token1, user1)));
+
+		// First time from service
+		final AuthToken t3 = c.validateToken(token2);
+		assertThat("incorrect user", t3.getUserName(), is(user2));  // for easier debugging
+		assertThat("incorrect auth token", t3, is(new AuthToken(token2, user2)));
+
+		// Second time from cache.
+		final AuthToken t4 = c.validateToken(token2);
+		assertThat("incorrect auth token", t4, is(new AuthToken(token2, user2)));
+	}
+
+	@Test
+	public void validateTokenFailEmptyToken() throws Exception {
+		final URI uri = new URI("https://ci.kbase.us/services/auth");
+		validateTokenFail(uri, null, new IllegalArgumentException(
+				"token must be a non-whitespace string"));
+		validateTokenFail(uri, "   \t   ", new IllegalArgumentException(
+				"token must be a non-whitespace string"));
+	}
+
+	@Test
+	public void validateTokenFailInvalidToken() throws Exception {
+		final URI uri = new URI("https://ci.kbase.us/services/auth");
+		validateTokenFail(uri, "faketoken", new AuthException(
+				"Auth service returned an error: 10020 Invalid token"));
+	}
+
+	private void validateTokenFail(final URI uri, final String token, final Exception expected) {
+		try {
+			AuthClient.from(uri).validateToken(token);
+			fail("expected exception");
+		} catch (Exception got) {
+			TestCommon.assertExceptionCorrect(got, expected);
+		}
+	}
 }

src/test/java/us/kbase/test/common/TestCommon.java

@@ -4,10 +4,100 @@
 import static org.hamcrest.CoreMatchers.instanceOf;
 import static org.junit.Assert.assertThat;
 
+import java.io.IOException;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.Arrays;
+import java.util.List;
+import java.util.Map;
+
 import org.apache.commons.lang3.exception.ExceptionUtils;
+import org.ini4j.Ini;
+
 
 public class TestCommon {
+
+	public static final String AUTH_URL = "auth_url";
+	public static final String TOKEN1 = "auth_token1";
+	public static final String TOKEN2 = "auth_token2";
+	public static final String USER1 = "auth_user1";
+	public static final String USER2 = "auth_user2";
+	public static final String GOOD_USERS = "good_users";
+
+	public static final String TEST_CONFIG_FILE_PROP_NAME = "test.cfg";
+	public static final String TEST_CONFIG_FILE_SECTION = "auth_client_test";
+
+	private static Map<String, String> testConfig;
 
+	public static String getAuthURI() {
+		return getTestProperty(AUTH_URL);
+	}
+
+	public static String getAuthToken1() {
+		return getTestProperty(TOKEN1);
+	}
+
+	public static String getAuthToken2() {
+		return getTestProperty(TOKEN2);
+	}
+
+	public static String getAuthUser1() {
+		return getTestProperty(USER1);
+	}
+
+	public static String getAuthUser2() {
+		return getTestProperty(USER2);
+	}
+
+	public static List<String> getGoodUsers() {
+		return Arrays.asList(getTestProperty(GOOD_USERS).split(","));
+	}
+
+	public static String getTestProperty(final String propertyKey, final boolean allowNull) {
+		getTestConfig();
+		final String prop = testConfig.get(propertyKey);
+		if (!allowNull && (prop == null || prop.trim().isEmpty())) {
+			throw new TestException(String.format(
+					"Property %s in section %s of test file %s is missing",
+					propertyKey, TEST_CONFIG_FILE_SECTION, getConfigFilePath()));
+		}
+		return prop;
+	}
+
+	public static String getTestProperty(final String propertyKey) {
+		return getTestProperty(propertyKey, false);
+	}
+
+	private static void getTestConfig() {
+		if (testConfig != null) {
+			return;
+		}
+		final Path testCfgFilePath = getConfigFilePath();
+		final Ini ini;
+		try {
+			ini = new Ini(testCfgFilePath.toFile());
+		} catch (IOException ioe) {
+			throw new TestException(String.format(
+					"IO Error reading the test configuration file %s: %s",
+					testCfgFilePath, ioe.getMessage()), ioe);
+		}
+		testConfig = ini.get(TEST_CONFIG_FILE_SECTION);
+		if (testConfig == null) {
+			throw new TestException(String.format("No section %s found in test config file %s",
+					TEST_CONFIG_FILE_SECTION, testCfgFilePath));
+		}
+	}
+
+	private static Path getConfigFilePath() {
+		final String testCfgFilePathStr = System.getProperty(TEST_CONFIG_FILE_PROP_NAME);
+		if (testCfgFilePathStr == null || testCfgFilePathStr.trim().isEmpty()) {
+			throw new TestException(String.format("Cannot get the test config file path." +
+					" Ensure the java system property %s is set to the test config file location.",
+					TEST_CONFIG_FILE_PROP_NAME));
+		}
+		return Paths.get(testCfgFilePathStr).toAbsolutePath().normalize();
+	}
+
 	public static void assertExceptionCorrect(
 			final Throwable got,
 			final Throwable expected) {
@@ -17,5 +107,19 @@ public static void assertExceptionCorrect(
 				is(expected.getLocalizedMessage()));
 		assertThat("incorrect exception type", got, instanceOf(expected.getClass()));
 	}
+
+	public static class TestException extends RuntimeException {
+
+		private static final long serialVersionUID = 1L;
+
+
+		public TestException(final String message) {
+			super(message);
+		}
+
+		public TestException(final String message, final Throwable cause) {
+			super(message, cause);
+		}
+	}
 
 }

test.cfg.example

@@ -0,0 +1,11 @@
+[auth_client_test]
+
+auth_url = https://ci.kbase.us/services/auth/
+
+auth_token1 = <token goes here>
+auth_user1 = <user name goes here>
+
+auth_token2 = <token goes here>
+auth_user2 = <user name goes here>
+
+good_users = <comma separated list of user names>