Add /status and /setup mailbox API call with tests

bramble-core/build.gradle

@@ -20,6 +20,7 @@ dependencies {
 
 	//noinspection GradleDependency
 	implementation "com.squareup.okhttp3:okhttp:$okhttp_version"
+	implementation "com.fasterxml.jackson.core:jackson-databind:$jackson_version"
 
 	annotationProcessor "com.google.dagger:dagger-compiler:$dagger_version"
 
@@ -30,6 +31,7 @@ dependencies {
 	testImplementation "org.jmock:jmock:$jmock_version"
 	testImplementation "org.jmock:jmock-junit4:$jmock_version"
 	testImplementation "org.jmock:jmock-imposters:$jmock_version"
+	testImplementation "com.squareup.okhttp3:mockwebserver:4.9.3"
 
 	testAnnotationProcessor "com.google.dagger:dagger-compiler:$dagger_version"
 

bramble-core/src/main/java/org/briarproject/bramble/mailbox/MailboxApi.java

+package org.briarproject.bramble.mailbox;
+
+import java.io.IOException;
+
+import javax.annotation.concurrent.Immutable;
+
+interface MailboxApi {
+
+	/**
+	 * Sets up the mailbox with the setup token.
+	 *
+	 * @param properties MailboxProperties with the setup token
+	 * @return the owner token
+	 * @throws PermanentFailureException for 401 response.
+	 */
+	String setup(MailboxProperties properties)
+			throws IOException, PermanentFailureException;
+
+	/**
+	 * Checks the status of the mailbox.
+	 *
+	 * @return true if the status is OK, false otherwise.
+	 * @throws PermanentFailureException for 401 response.
+	 */
+	boolean checkStatus(MailboxProperties properties)
+			throws IOException, PermanentFailureException;
+
+	@Immutable
+	class MailboxProperties {
+		final String baseUrl;
+		final String token;
+		final boolean isOwner;
+
+		MailboxProperties(String baseUrl, String token, boolean isOwner) {
+			this.baseUrl = baseUrl;
+			this.token = token;
+			this.isOwner = isOwner;
+		}
+	}
+
+	@Immutable
+	class PermanentFailureException extends Exception {
+		/**
+		 * If true, the failure is fatal and requires user attention.
+		 * The entire task queue will most likely need to stop.
+		 */
+		final boolean fatal;
+
+		PermanentFailureException(boolean fatal) {
+			this.fatal = fatal;
+		}
+	}
+}

bramble-core/src/main/java/org/briarproject/bramble/mailbox/MailboxApiImpl.java

+package org.briarproject.bramble.mailbox;
+
+import com.fasterxml.jackson.core.JacksonException;
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.json.JsonMapper;
+
+import org.briarproject.bramble.api.WeakSingletonProvider;
+import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
+
+import java.io.IOException;
+
+import javax.inject.Inject;
+
+import okhttp3.OkHttpClient;
+import okhttp3.Request;
+import okhttp3.Response;
+import okhttp3.ResponseBody;
+
+import static com.fasterxml.jackson.databind.MapperFeature.BLOCK_UNSAFE_POLYMORPHIC_BASE_TYPES;
+import static okhttp3.internal.Util.EMPTY_REQUEST;
+
+@NotNullByDefault
+class MailboxApiImpl implements MailboxApi {
+
+	private final WeakSingletonProvider<OkHttpClient> httpClientProvider;
+	private final JsonMapper mapper = JsonMapper.builder()
+			.enable(BLOCK_UNSAFE_POLYMORPHIC_BASE_TYPES)
+			.build();
+
+	@Inject
+	MailboxApiImpl(WeakSingletonProvider<OkHttpClient> httpClientProvider) {
+		this.httpClientProvider = httpClientProvider;
+	}
+
+	@Override
+	public String setup(MailboxProperties properties)
+			throws IOException, PermanentFailureException {
+		if (!properties.isOwner) throw new IllegalArgumentException();
+		Request request = getRequestBuilder(properties.token)
+				.url(properties.baseUrl + "/setup")
+				.put(EMPTY_REQUEST)
+				.build();
+		OkHttpClient client = httpClientProvider.get();
+		Response response = client.newCall(request).execute();
+		if (response.code() == 401) {
+			throw new PermanentFailureException(true);
+		}
+		if (!response.isSuccessful()) throw new IOException();
+		ResponseBody body = response.body();
+		if (body == null) throw new PermanentFailureException(false);
+		try {
+			JsonNode node = mapper.readTree(body.string());
+			JsonNode tokenNode = node.get("token");
+			if (tokenNode == null) {
+				throw new PermanentFailureException(false);
+			}
+			String ownerToken = tokenNode.textValue();
+			if (ownerToken == null) {
+				throw new PermanentFailureException(false);
+			}
+			return ownerToken;
+		} catch (JacksonException e) {
+			throw new PermanentFailureException(false);
+		}
+	}
+
+	@Override
+	public boolean checkStatus(MailboxProperties properties)
+			throws IOException, PermanentFailureException {
+		if (!properties.isOwner) throw new IllegalArgumentException();
+		Request request = getRequestBuilder(properties.token)
+				.url(properties.baseUrl + "/status")
+				.build();
+		OkHttpClient client = httpClientProvider.get();
+		Response response = client.newCall(request).execute();
+		if (response.code() == 401) {
+			throw new PermanentFailureException(true);
+		}
+		return response.isSuccessful();
+	}
+
+	private Request.Builder getRequestBuilder(String token) {
+		return new Request.Builder()
+				.addHeader("Authorization", "Bearer " + token);
+	}
+
+}

bramble-core/src/test/java/org/briarproject/bramble/mailbox/MailboxApiTest.java

+package org.briarproject.bramble.mailbox;
+
+import org.briarproject.bramble.api.WeakSingletonProvider;
+import org.briarproject.bramble.mailbox.MailboxApi.MailboxProperties;
+import org.briarproject.bramble.mailbox.MailboxApi.PermanentFailureException;
+import org.briarproject.bramble.test.BrambleTestCase;
+import org.junit.Test;
+
+import java.io.IOException;
+
+import javax.annotation.Nonnull;
+import javax.net.SocketFactory;
+
+import okhttp3.OkHttpClient;
+import okhttp3.mockwebserver.MockResponse;
+import okhttp3.mockwebserver.MockWebServer;
+import okhttp3.mockwebserver.RecordedRequest;
+
+import static java.util.concurrent.TimeUnit.MILLISECONDS;
+import static org.briarproject.bramble.util.StringUtils.getRandomString;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertThrows;
+import static org.junit.Assert.assertTrue;
+
+public class MailboxApiTest extends BrambleTestCase {
+
+	private final OkHttpClient client = new OkHttpClient.Builder()
+			.socketFactory(SocketFactory.getDefault())
+			.connectTimeout(60_000, MILLISECONDS)
+			.build();
+	private final WeakSingletonProvider<OkHttpClient> httpClientProvider =
+			new WeakSingletonProvider<OkHttpClient>() {
+				@Override
+				@Nonnull
+				public OkHttpClient createInstance() {
+					return client;
+				}
+			};
+	private final MailboxApiImpl api = new MailboxApiImpl(httpClientProvider);
+
+	private final String token = getRandomString(64);
+	private final String token2 = getRandomString(64);
+
+	@Test
+	public void testSetup() throws Exception {
+		String validResponse = "{\"token\":\"" + token2 + "\"}";
+		String invalidResponse = "{\"foo\":\"bar\"}";
+		String invalidTokenResponse = "{\"token\":{\"foo\":\"bar\"}}";
+
+		MockWebServer server = new MockWebServer();
+		server.enqueue(new MockResponse().setBody(validResponse));
+		server.enqueue(new MockResponse());
+		server.enqueue(new MockResponse().setBody(invalidResponse));
+		server.enqueue(new MockResponse().setResponseCode(401));
+		server.enqueue(new MockResponse().setResponseCode(500));
+		server.enqueue(new MockResponse().setBody(invalidTokenResponse));
+		server.start();
+		String baseUrl = getBaseUrl(server);
+		MailboxProperties properties =
+				new MailboxProperties(baseUrl, token, true);
+		MailboxProperties properties2 =
+				new MailboxProperties(baseUrl, token2, true);
+
+		assertEquals(token2, api.setup(properties));
+
+		PermanentFailureException e2 =
+				assertThrows(PermanentFailureException.class,
+						() -> api.setup(properties)
+				);
+
+		PermanentFailureException e3 =
+				assertThrows(PermanentFailureException.class,
+						() -> api.setup(properties)
+				);
+
+		PermanentFailureException e4 = assertThrows(
+				PermanentFailureException.class,
+				() -> api.setup(properties2)
+		);
+
+		assertThrows(IOException.class,
+				() -> api.setup(properties)
+		);
+
+		PermanentFailureException e6 = assertThrows(
+				PermanentFailureException.class,
+				() -> api.setup(properties)
+		);
+
+		RecordedRequest request1 = server.takeRequest();
+		assertEquals("/setup", request1.getPath());
+		assertEquals("PUT", request1.getMethod());
+		assertToken(request1, token);
+
+		RecordedRequest request2 = server.takeRequest();
+		assertEquals("/setup", request2.getPath());
+		assertEquals("PUT", request2.getMethod());
+		assertToken(request2, token);
+		assertFalse(e2.fatal);
+
+		RecordedRequest request3 = server.takeRequest();
+		assertEquals("/setup", request3.getPath());
+		assertEquals("PUT", request3.getMethod());
+		assertToken(request3, token);
+		assertFalse(e3.fatal);
+
+		RecordedRequest request4 = server.takeRequest();
+		assertEquals("/setup", request4.getPath());
+		assertEquals("PUT", request4.getMethod());
+		assertToken(request4, token2);
+		assertTrue(e4.fatal);
+
+		RecordedRequest request5 = server.takeRequest();
+		assertEquals("/setup", request5.getPath());
+		assertEquals("PUT", request5.getMethod());
+		assertToken(request5, token);
+
+		RecordedRequest request6 = server.takeRequest();
+		assertEquals("/setup", request6.getPath());
+		assertEquals("PUT", request6.getMethod());
+		assertToken(request6, token);
+		assertFalse(e6.fatal);
+	}
+
+	@Test
+	public void testSetupOnlyForOwner() {
+		MailboxProperties properties =
+				new MailboxProperties("", token, false);
+		assertThrows(
+				IllegalArgumentException.class,
+				() -> api.setup(properties)
+		);
+	}
+
+	@Test
+	public void testStatus() throws Exception {
+		MockWebServer server = new MockWebServer();
+		server.enqueue(new MockResponse());
+		server.enqueue(new MockResponse().setResponseCode(401));
+		server.enqueue(new MockResponse().setResponseCode(500));
+		server.start();
+		String baseUrl = getBaseUrl(server);
+		MailboxProperties properties =
+				new MailboxProperties(baseUrl, token, true);
+		MailboxProperties properties2 =
+				new MailboxProperties(baseUrl, token2, true);
+
+		assertTrue(api.checkStatus(properties));
+
+		PermanentFailureException e2 = assertThrows(
+				PermanentFailureException.class,
+				() -> api.checkStatus(properties2)
+		);
+
+		assertFalse(api.checkStatus(properties));
+
+		RecordedRequest request1 = server.takeRequest();
+		assertEquals("/status", request1.getPath());
+		assertToken(request1, token);
+
+		RecordedRequest request2 = server.takeRequest();
+		assertEquals("/status", request2.getPath());
+		assertToken(request2, token2);
+		assertTrue(e2.fatal);
+
+		RecordedRequest request3 = server.takeRequest();
+		assertEquals("/status", request3.getPath());
+		assertToken(request3, token);
+	}
+
+	@Test
+	public void testStatusOnlyForOwner() {
+		MailboxProperties properties =
+				new MailboxProperties("", token, false);
+		assertThrows(
+				IllegalArgumentException.class,
+				() -> api.checkStatus(properties)
+		);
+	}
+
+	private String getBaseUrl(MockWebServer server) {
+		String baseUrl = server.url("").toString();
+		return baseUrl.substring(0, baseUrl.length() - 1);
+	}
+
+	private void assertToken(RecordedRequest request, String token) {
+		assertNotNull(request.getHeader("Authorization"));
+		assertEquals("Bearer " + token, request.getHeader("Authorization"));
+	}
+
+}

bramble-core/witness.gradle

 dependencyVerification {
     verify = [
         'cglib:cglib:3.2.8:cglib-3.2.8.jar:3f64de999ecc5595dc84ca8ff0879d8a34c8623f9ef3c517a53ed59023fcb9db',
+        'com.fasterxml.jackson.core:jackson-annotations:2.13.0:jackson-annotations-2.13.0.jar:81f9724d8843e8b08f8f6c0609e7a2b030d00c34861c4ac7e2099a7235047d6f',
+        'com.fasterxml.jackson.core:jackson-core:2.13.0:jackson-core-2.13.0.jar:348bc59b348df2e807b356f1d62d2afb41a974073328abc773eb0932b855d2c8',
+        'com.fasterxml.jackson.core:jackson-databind:2.13.0:jackson-databind-2.13.0.jar:9c826d27176268777adcf97e1c6e2051c7e33a7aaa2c370c2e8c6077fd9da3f4',
         'com.google.code.findbugs:annotations:3.0.1:annotations-3.0.1.jar:6b47ff0a6de0ce17cbedc3abb0828ca5bce3009d53ea47b3723ff023c4742f79',
         'com.google.code.findbugs:jsr305:3.0.2:jsr305-3.0.2.jar:766ad2a0783f2687962c8ad74ceecc38a28b9f72a2d085ee438b7813e928d0c7',
         'com.google.dagger:dagger-compiler:2.33:dagger-compiler-2.33.jar:aa8a0d8370c578fd6999802d0d90b9829377a46d2c1141e11b8f737970e7155e',
@@ -15,8 +18,11 @@ dependencyVerification {
         'com.google.guava:listenablefuture:9999.0-empty-to-avoid-conflict-with-guava:listenablefuture-9999.0-empty-to-avoid-conflict-with-guava.jar:b372a037d4230aa57fbeffdef30fd6123f9c0c2db85d0aced00c91b974f33f99',
         'com.google.j2objc:j2objc-annotations:1.1:j2objc-annotations-1.1.jar:2994a7eb78f2710bd3d3bfb639b2c94e219cedac0d4d084d516e78c16dddecf6',
         'com.h2database:h2:1.4.192:h2-1.4.192.jar:225b22e9857235c46c93861410b60b8c81c10dc8985f4faf188985ba5445126c',
+        'com.squareup.okhttp3:mockwebserver:4.9.3:mockwebserver-4.9.3.jar:9c8c581c29f22f877a35d11380462f75bb24bf1886204fe835ee695594a2784e',
         'com.squareup.okhttp3:okhttp:3.12.13:okhttp-3.12.13.jar:508234e024ef7e270ab1a6d5b356f5b98e786511239ca986d684fd1e2cf7bc82',
+        'com.squareup.okhttp3:okhttp:4.9.3:okhttp-4.9.3.jar:93ecd6cba19d87dccfe566ec848d91aae799e3cf16c00709358ea69bd9227219',
         'com.squareup.okio:okio:1.15.0:okio-1.15.0.jar:693fa319a7e8843300602b204023b7674f106ebcb577f2dd5807212b66118bd2',
+        'com.squareup.okio:okio:2.8.0:okio-jvm-2.8.0.jar:4496b06e73982fcdd8a5393f46e5df2ce2fa4465df5895454cac68a32f09bbc8',
         'com.squareup:javapoet:1.13.0:javapoet-1.13.0.jar:4c7517e848a71b36d069d12bb3bf46a70fd4cda3105d822b0ed2e19c00b69291',
         'javax.annotation:jsr250-api:1.0:jsr250-api-1.0.jar:a1a922d0d9b6d183ed3800dfac01d1e1eb159f0e8c6f94736931c1def54a941f',
         'javax.inject:javax.inject:1:javax.inject-1.jar:91c77044a50c481636c32d916fd89c9118a72195390452c81065080f957de7ff',
@@ -40,7 +46,11 @@ dependencyVerification {
         'org.hamcrest:hamcrest-library:2.1:hamcrest-library-2.1.jar:b7e2b6895b3b679f0e47b6380fda391b225e9b78505db9d8bdde8d3cc8d52a21',
         'org.hamcrest:hamcrest:2.1:hamcrest-2.1.jar:ba93b2e3a562322ba432f0a1b53addcc55cb188253319a020ed77f824e692050',
         'org.hsqldb:hsqldb:2.3.5:hsqldb-2.3.5.jar:6676a6977ac98997a80f827ddbd3fe8ca1e0853dad1492512135fd1a222ccfad',
+        'org.jetbrains.kotlin:kotlin-stdlib-common:1.4.10:kotlin-stdlib-common-1.4.10.jar:4681f2d436a68c7523595d84ed5758e1382f9da0f67c91e6a848690d711274fe',
         'org.jetbrains.kotlin:kotlin-stdlib-common:1.4.20:kotlin-stdlib-common-1.4.20.jar:a7112c9b3cefee418286c9c9372f7af992bd1e6e030691d52f60cb36dbec8320',
+        'org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.4.10:kotlin-stdlib-jdk7-1.4.10.jar:f9566380c08722c780ce33ceee23e98ddf765ca98fabd3e2fabae7975c8d232b',
+        'org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.4.10:kotlin-stdlib-jdk8-1.4.10.jar:39b7a9442d7a3865e0f4a732c56c1d5da0e11ffb3bb82a461d32deb0c0ca7673',
+        'org.jetbrains.kotlin:kotlin-stdlib:1.4.10:kotlin-stdlib-1.4.10.jar:01ecb09782c042b931c1839acf21a188340b295d05400afd6e3415d4475b8daa',
         'org.jetbrains.kotlin:kotlin-stdlib:1.4.20:kotlin-stdlib-1.4.20.jar:b8ab1da5cdc89cb084d41e1f28f20a42bd431538642a5741c52bbfae3fa3e656',
         'org.jetbrains.kotlinx:kotlinx-metadata-jvm:0.1.0:kotlinx-metadata-jvm-0.1.0.jar:9753bb39efef35957c5c15df9a3cb769aabf2cdfa74b47afcb7760e5146be3b5',
         'org.jetbrains:annotations:13.0:annotations-13.0.jar:ace2a10dc8e2d5fd34925ecac03e4988b2c0f851650c94b8cef49ba1bd111478',

briar-headless/build.gradle

@@ -23,7 +23,7 @@ dependencies {
 	implementation 'org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.4.32'
 	implementation 'io.javalin:javalin:3.5.0'
 	implementation 'org.slf4j:slf4j-simple:1.7.30'
-	implementation 'com.fasterxml.jackson.core:jackson-databind:2.12.2'
+	implementation "com.fasterxml.jackson.core:jackson-databind:$jackson_version"
 	implementation 'com.github.ajalt:clikt:2.2.0'
 
 	def daggerVersion = '2.24'

briar-headless/witness.gradle

 dependencyVerification {
     verify = [
-        'com.fasterxml.jackson.core:jackson-annotations:2.12.2:jackson-annotations-2.12.2.jar:558561786c071af202e849b6ae3d39c87ed417ecc83d45e398c12eb3bffa557b',
-        'com.fasterxml.jackson.core:jackson-core:2.12.2:jackson-core-2.12.2.jar:7883331763729b72735fdd8a117f32eb7d22695babfb37cc99df8392c196efc3',
-        'com.fasterxml.jackson.core:jackson-databind:2.12.2:jackson-databind-2.12.2.jar:c4002f861d8d33f3202bf8effabb53acc320c5276cc50c1bfaae73c36ce8db32',
+        'com.fasterxml.jackson.core:jackson-annotations:2.13.0:jackson-annotations-2.13.0.jar:81f9724d8843e8b08f8f6c0609e7a2b030d00c34861c4ac7e2099a7235047d6f',
+        'com.fasterxml.jackson.core:jackson-core:2.13.0:jackson-core-2.13.0.jar:348bc59b348df2e807b356f1d62d2afb41a974073328abc773eb0932b855d2c8',
+        'com.fasterxml.jackson.core:jackson-databind:2.13.0:jackson-databind-2.13.0.jar:9c826d27176268777adcf97e1c6e2051c7e33a7aaa2c370c2e8c6077fd9da3f4',
         'com.github.ajalt:clikt:2.2.0:clikt-2.2.0.jar:beb3136d06764ec8ce0810a8fd6c8b7b49d04287d1deef3a07c016e43a458d33',
         'com.github.gundy:semver4j:0.16.4:semver4j-0.16.4.jar:def9b4225fa37219e18f81d01f0e52d73dca1257a38f5475be9dd58f87736510',
         'com.google.code.findbugs:jsr305:3.0.2:jsr305-3.0.2.jar:766ad2a0783f2687962c8ad74ceecc38a28b9f72a2d085ee438b7813e928d0c7',

build.gradle

@@ -37,6 +37,7 @@ buildscript {
 		dagger_version = "2.33"
 		// okhttp 3.12.x is supported until end of 2021, newer versions need minSdk 21
 		okhttp_version = "3.12.13"
+		jackson_version = "2.13.0"
 		tor_version = "0.3.5.17"
 		obfs4proxy_version = "0.0.12-dev-40245c4a"
 		junit_version = "4.13.2"